General Technical Data and Calculations

Transcription

1 18 Bosh Rexroth AG R31EN 232 (26.4) General Produt Desription General Tehnial Data and Calulations Fores and load moments In Rexroth the running traks are arranged at a ompression angle of 45. This results in the same high load apaity of the entire system in all four major planes of load appliation. The runner bloks may be subjeted to both fores and load moments. Fores in the four major planes of load appliation Pull F z (positive z-diretion) Push F z (negative z-diretion) Side load F y (positive y-diretion) Side load F y (negative y-diretion) Moment loads Moment M x (about the x-axis) Moment M y (about the y-axis) Moment M z (about the z-axis) y M x M z z F z M y F y x Definition of load apaities Dynami load apaity C The radial loading of onstant magnitude and diretion whih a linear rolling bearing an theoretially endure for a nominal life of 1 5 meters distane traveled (as per ISO Part 1). Note: The dynami load apaities given in the tables are mostly 2% above the DIN or ISO values. They have been proven in tests. Stati load apaity C Stati load in the load diretion that orresponds to a alulated load in the enter of the ontat point with the greatest load between the rolling element and trak zone (guide rail) of 4 MPa. Note: With this load on the ontat point, a permanent overall deformation of the rolling element and trak zone ours, orresponding to around.1 times the roller body diameter (as per ISO Part 1). C C C C C C Definition of moment load apaities Dynami torsional moment load apaity M t Comparative dynami moment about the longitudinal axis x whih auses a load equivalent to the dynami load apaity C. Stati torsional moment load apaity M t Comparative stati moment about the longitudinal axis x whih auses a load equivalent to the stati load apaity C. M t M t Dynami longitudinal moment load apaity M L Comparative dynami moment about the transverse axis y or the vertial axis z whih auses a load equivalent to the dynami load apaity C. Stati longitudinal moment load apaity M L Comparative stati moment about the transverse axis y or the vertial axis z whih auses a load equivalent to the dynami load apaity C. M L M L M L M L

2 R31EN 232 (26.4) Bosh Rexroth AG 19 Definition and alulation of the nominal life The alulated servie life whih an individual linear rolling bearing, or a group of apparently idential rolling element bearings operating under the same onditions, an attain with a 9% probability, with ontemporary, ommonly used materials and manufaturing quality under onventional operating onditions (to ISO Part 1) and optimal installation onditions. If 9% probability is not suffiient, the nominal life values must be redued by the fator a 1 as given in the table below. Probability % Fator a Nominal life in meters (1) L 1 = C F m m L 1 = nominal life (m) C = dynami load apaity (N) F m = equivalent dynami load on the bearing (N) Servie life in operating hours at onstant stroke length and stroke frequeny If the stroke length s and the stroke frequeny n are onstant throughout the servie life, the servie life in operating hours an be alulated using formula (2). (2) L h 1 = L 1 2 s n 6 L 1 = nominal life (m) L h 1 = nominal life (h) s = length of stroke (m) n = stroke repetition rate (full yles) (min 1 ) Servie life in operating hours at average speed Alternatively, the servie life in operating hours at average speed v m an be alulated using formula (3). (3) L h 1 = L 1 6 v m L 1 = nominal life (m) L h 1 = nominal life (h) v m = average speed (m/min) When the speed is varied in steps, this average speed v m is alulated using the disrete time steps q tn of the individual load levels (4). v m = average speed (m/min) v 1... v n = disrete speed steps (m/min) q t1... q tn = disrete time steps for v 1... v n (%) (4) v m = q t1 v 1 + q t2 v q tn v n 1 % Notes ISO Part 1 limits the appliability of formula (1) to equivalent dynami loads F m <.5 C. However, our tests have demonstrated that under ideal operating onditions this nominal life formula an be applied up to loads of F m = C. For stroke lengths less than 2 runner blok length B 1 (see dimension tables), a redution in load apaity may have to be taken into aount. Please onsult us.

3 2 Bosh Rexroth AG R31EN 232 (26.4) General Produt Desription General Tehnial Data and Calulations Load on bearings for alulation of nominal life Reommended minimum load ratios Dynami load ratio = Stati load ratio = C F m, max C F eff, max Note In general, the load ratio should not fall below the minimum value of 4. for both dynami and stati loads. A higher load ratio is always required in appliations requiring high rigidity and/or long life. For pulling loads, the strength of the srews must verified. Please refer to the Mounting Instrutions setion. Combined equivalent load on bearing With formula (5) all of the partial loads in a partiular load ase an be fatored in to alulate the ombined equivalent load on the bearing. Notes The alulation of the moment loads as shown in formula (5) applies only for appliations with one single rail and one runner blok. The formula is simpler for other ombinations. The fores and load moments shown in the oordinate system an also at in the opposite diretion. An external load ating at an angle on the runner blok is to be broken down into its F y and F z omponents, and these values are then to be used in formula (5). The struture of the runner bloks allows this simplified alulation. (5) y F omb = F y + F z + C M x M t + C M y M L + C M z M L F omb = ombined equivalent load on bearing F m, max = largest effetive equivalent load on bearing F eff, max = maximum load ourring during the travel yle F y = external load due to a resulting fore in the y-diretion M x M z z F z M y F y (N) (N) (N) (N) x F z = external load due to a resulting fore in the z-diretion (N) C = dynami load apaity 1) (N) C = stati load apaity 1) (N) M t = dynami torsional moment load apaity 1) (Nm) M L = dynami longitudinal moment load apaity 1) (Nm) M x = load due to a resulting moment load about the x-axis (Nm) M y = load due to a resulting moment load about the y-axis (Nm) M z = load due to a resulting moment load about the z-axis (Nm) 1) See tables for values Allowane for internal preload fore F pr 2 δ pr F To inrease the rigidity and auray of the guide system preloaded runner bloks should be used (see also Seletion of System Preload ). When runner bloks in preload lasses C2 and C3 are used, it may be neessary to take the internal preload fore into aount sine the two rows of rollers a and b are designed to be oversized and are therefore preloaded against eah other with an internal preload fore F pr whih auses them to deflet by the amount d pr (see hart). a b δ δ a δ pr b F pr = loaded (lower) row of rollers = non-loaded (upper) row of rollers = defletion of rollers at F δ pr F F pr F b a Preload-free at 2.8 F pr 2,8 F pr = defletion of rollers at F pr = load on the runner blok = internal preload fore

4 R31EN 232 (26.4) Bosh Rexroth AG 21 Effetive equivalent load on bearing When an external load reahes 2.8 times the internal preload fore F pr, one row of rollers beomes preload-free. Note For highly dynami load ases, the ombined equivalent load on the bearings should be F omb < 2.8 F pr in order to avoid damage to the roller bearings due to slip. 2 different ases should be onsidered: Case 1: F omb > 2.8 F pr In ase 1, the internal preload fore F pr has no effet on the servie life: (6) F eff = F omb Case 2: F omb 2.8 F pr In ase 2 the preload fore F pr is fatored into the alulation of the effetive equivalent load on the bearings: F omb = ombined equivalent load on bearing (N) F eff = effetive equivalent load on bearing (N) F pr = preload fore (N) (7) F eff = 3 F omb F 2,8 F pr pr F pr F pr = 8% C (at preload lass C2) = 13% C (at preload lass C3) Equivalent dynami load on bearing For varying load levels, alulate the equivalent dynami load on the bearings using formula (8). (8) 1 1 q 3 3 s1 F m = (F eff 1 ) 1 % 1 3 q s2 1 % (F eff 2 ) (F eff n ) q sn 1 % F m = equivalent total dynami load on bearing (N) F eff 1... F eff n = uniform effetive single loads (m/min) q s1... q sn = disrete travel steps for F eff 1... F eff n (%) Equivalent stati load on bearing For ombined stati external loads vertial and horizontal in onjuntion with a stati torsional or longitudinal moment load, alulate the equivalent stati bearing on the load F omb using formula (9). Notes The equivalent stati load on the bearing F omb must not exeed the stati load apaity C. Formula (9) only applies if a single guide rail is used. An external load ating at an angle on the runner blok is to be broken down into its F y and F z omponents, and these values are then to be used in formula (9). (9) F omb = F y + F z + C M x M t + C M y M L + C M z M L F omb = stati equivalent load on bearing (N) F y = external stati load due to a fore in the y-diretion (N) F z = external stati load due to a fore in the z-diretion (N) C = stati load apaity 1) (N) M t = stati torsional moment load apaity 1) (Nm) M L = stati longitudinal moment load apaity 1) (Nm) 1) See tables for values M x = load due to a stati moment load about the x-axis M y = load due to a stati moment load about the y-axis M z = load due to a stati moment load about the z-axis (Nm) (Nm) (Nm)

5 22 Bosh Rexroth AG R31EN 232 (26.4) General Produt Desription Seletion of Auray Classes Auray lasses and their toleranes for Standard and Heavy Duty Roller Rail Systems Standard roller rail systems are offered in up to five different auray lasses, and heavy duty roller rail systems in up to three auray lasses. For details of the available runner bloks and guide rails, see the Part numbers tables. Built-in interhangeability through preision mahining Rexroth manufatures its guide rails and runner bloks with suh high preision, espeially in the roller trak zone, that eah individual omponent element an be replaed by another at any time. For example, a runner blok an be used without problems on various guide rails of the same size. This applies equally to the use of different runner bloks on one and the same guide rail. H II P 1 II P 1 A 3 II Standard and heavy duty roller rail systems, steel version Auray Dimensional toleranes (µm) Max. differene in dimension H lasses and A 3 on one guide rail (µm) H A 3 H, A 3 H ±4 ±2 15 P ±2 ±1 7 SP ±1 ±7 5 GP 1) (±1) 1 ±7 5 UP ±5 ±5 3 1) Dimension H: (±1) sorted by height (GP) to 1 μm (see Combination of Auray Classes ) Standard and heavy duty RRS Resist CR, matte silver hard hrome plated P 1 Abbreviations RB/GR = runner blok and guide rail hard hrome plated GR = only guide rail hard hrome plated H A 3 H, A 3 RB/GR GR RB/GR GR RB/GR GR H ± P ± SP ± H A 3 H, A 3 Measured at middle of runner blok For any runner blok/rail ombination at any position on rail For different runner bloks at same position on rail Parallelism offset P 1 of the roller rail system in servie Values measured at middle of runner blok for roller rail systems without surfae oating. For hard hrome plated guide rails the values may inrease by up to 2 µm. Key to graph P 1 = parallelism offset (µm) L = rail length (mm) P 1 (µm) L (mm) GP H P SP UP

6 R31EN 232 (26.4) Bosh Rexroth AG 23 Auray lasses and their toleranes for Wide Roller Rail Systems A 3 A 3 Wide roller rail systems are offered in up to three different auray lasses. For details of the available runner bloks and guide rails, see the Part numbers tables. II H P 1 II P II P 1 1 II A 3.1 P 1 A 3.1 II P 1 Wide roller rail systems, steel version Auray Dimensional toleranes (µm) lasses Max. differene in dimension H and A 3 on one guide rail (µm) H A 3 A 3.1 H, A 3 A 3.1 H ±4 ±2 +26/ P ±2 ±1 +15/ SP ±1 ±7 +12/1 5 7 Wide roller rail systems, Resist CR, matte silver hard hrome plated Abbreviations RB/GR = runner blok and guide rail hard hrome plated GR = only guide rail hard hrome plated H A 3 A 3.1 H, A 3 A 3.1 RB/GR GR RB/GR GR RB/GR GR RB/GR GR RB/GR GR H ± P ± SP ± H A 3 A 3.1 H, A 3 A 3.1 Measured at middle of runner blok For any runner blok/rail ombination at any position on rail For different runner bloks at same position on rail Parallelism offset P 1 of the roller rail system in servie Values measured at middle of runner blok for roller rail systems without surfae oating. For hard hrome plated guide rails the values may inrease by up to 2 µm. Key to graph P 1 = parallelism offset (µm) L = rail length (mm) P 1 (µm) L (mm) H P SP

7 24 Bosh Rexroth AG R31EN 232 (26.4) General Produt Desription Seletion of Auray Classes Combination of auray lasses Auray lasses Guide rail lass Runner Dimensional toleranes H P SP GP UP blok lass µm µm µm µm µm H Tolerane for dimension H µm ±4 ±24 ±15 ±11 Tolerane for dimension A 3 µm ±2 ±14 ±12 ±11 Max. differene in dimension H and A 3 on one rail µm P Tolerane for dimension H µm ±36 ±2 ±11 ±7 Tolerane for dimension A 3 µm ±16 ±1 ±8 ±7 Max. differene in dimension H and A 3 on one rail µm SP Tolerane for dimension H µm ±35 ±19 ±1 (±1) 1) ±5 ±6 Tolerane for dimension A 3 µm ±15 ±9 ±7 ±7 ±6 Max. differene in dimension H and A 3 on one rail µm UP Tolerane for dimension H µm ±34 ±18 ±9 ±4 ±5 Tolerane for dimension A 3 µm ±14 ±8 ±6 ±6 ±5 Max. differene in dimension H and A 3 on one rail µm ) Dimension H: (±1) sorted by height (GP) to 1 μm (see Combination: Runner blok SP with guide rail GP ) Combination: Runner blok SP with guide rail GP Toleranes for dimension H II H P 1 Dimension H (±1) sorted by height (GP) to ± µm: Applies for any ombination of runner bloks with auray lass SP and guide rails R with the same sorting dimension, e.g. 1 ±2.5 µm, over the entire rail length. Height sorting of the guide rails Sorting ode on the guide rail and the additional label, e.g. GP 1, GP +3, et. When ordering, please state the quantity per sorting dimension, e.g. 2 ps per sorting dimension. Measured at middle of runner blok over the entire rail length Tolerane field (µm) Reommendations for ombining auray lasses Reommended for lose spaing of runner blok and short strokes: Runner blok in higher auray lass than guide rail. Reommended for larger runner blok spaing and long strokes: Guide rail in higher auray lass than runner blok. Caution! For runner bloks and guide rails in Resist CR, matte silver hard hrome plated, different toleranes apply for the dimensions H and A 3 (see Auray lasses and their toleranes ). Travel auray Perfeted roller entry and exit zones in the runner bloks and optimized spaing of the mounting srews provide unmathed travel auray with very low pulsation. These high auray systems are espeially suitable for high-preision mahining proesses, measurement systems, high-preision sanners, EDM equipment, et.

8 R31EN 232 (26.4) Bosh Rexroth AG 25 General Produt Desriptions Seletion of System Preload Definition of the preload lass Preloading fore relative to the dynami load apaity C of the respetive runner blok. Example Runner blok FNS R Preload lass C2 Dynami load apaity C = 92,3 N (value taken from runner blok table) Calulation: C2 = 8% C = 7384 N This runner blok is preloaded with a base load of 7384 N. Seletion of the preload lass Code Preload Appliation area C1 3% C Speial version on request C2 8% C For preise guide systems with both high external loading and high demands on overall rigidity; also reommended for single rail systems. Above average moment loads an be absorbed without signifiant elasti defletion. Further improved overall rigidity with only medium moment loads. C3 13% C For highly rigid guide systems suh as preision mahine tools, et. Above average loads and moments an be absorbed with the least possible elasti defletion. Runner bloks with preload C3 available in auray lasses P, SP (GP) and UP only. Reommended preload for roller runner bloks Preferene should be given to runner bloks with preload C2. Runner bloks with preload C1 are available on request (speial versions). Reommended preload and auray lass ombinations Reommended for preload C2: Auray lasses H and P Reommended for preload C3: Auray lasses P and SP (GP) Combination of hard hrome plated runner bloks with hard hrome plated guide rails When hard hrome plated runner bloks with preload C2 = 8% C (or C3 = 13% C) are ombined with hard hrome plated guide rails, the preload inreases to approx. 1% C (or approx. 15% C).

9 26 Bosh Rexroth AG R31EN 232 (26.4) Standard Runner Bloks, Steel version Produt Desription Outstanding features Standard runner bloks are suitable for all typial appliations. Runner bloks an also be supplied for speial onditions of installation and use and for speial working environments. High torque apaity Same high load apaities in all four major planes of load appliation Highest rigidity in all load diretions when additional mounting srews are used in two holes provided at the enter of the runner blok. Unrestrited interhangeability Unlimited ombinability: any guide rail version an be paired with any runner blok version. Aessories an be simply attahed to the ends of the runner blok. Mounting of attahments to runner blok from above or below Further highlights Lube ports on all sides for maximum ease of maintenane Novel lube dut design minimizes lubriant onsumption. Runner bloks made from antifrition bearing steel, with hardened and ground raeways Smooth running thanks to optimized roller reirulation and guidane Optimized entry-setion geometry and high number of rollers per trak minimizes variation in elasti defletion. The runner blok simply slides off its arbor and onto the rail. End seals integrated as standard for better sealing of all running traks and to protet plasti parts

10 R31EN 232 (26.4) Bosh Rexroth AG 27 Standard Roller Rail System (example) Material speifiations Runner blok body: antifrition bearing steel 2 End ap: plasti (alternative: aluminum) 3 End seal: (orrosion-resistant spring steel to EN 188) with polymer seal 4 Mounting srews: stainless steel A2 5 Srew: stainless steel A2 Washer: galvanized steel 6 Protetive ap: plasti 7 Lube nipple: galvanized arbon steel 8 Srew plug: arbon steel (side lube hole) 9 Strip lamp: anodized aluminum 1 Clamping srew/nut: Guide rail: heat-treatable steel 12 Cover strip: Rollers: antifrition bearing steel 13

11 28 Bosh Rexroth AG R31EN 232 (26.4) Standard Runner Bloks, Steel version Produt Desription Runner bloks FNS R SNH R Standard runner bloks are suitable for almost all appliations. FLS R SLH R Runner bloks with aluminum end aps FNS R SNH R Speial feature: These runner bloks are reommended for espeially demanding onditions of use. FLS R SLH R Runner blok short names FNS = Flanged, normal, standard height FLS = Flanged, long, standard height SNH = Slimline, normal, high SLH = Slimline, long, high Options Corrosion-resistant runner bloks, Resist CR, matte silver hard hrome plated, see setion on Standard Runner Bloks, Resist CR.

12 R31EN 232 (26.4) Bosh Rexroth AG 29 Runner Bloks for oil and grease lubriation from above FNS R Speial feature: Runner bloks R have been prepared for oil and grease lubriation from above. In the high runner boks S.H, the vertial learane between the end aps and an attahment mounting surfae with integrated lube adapters has been designed for ease of maintenane. How to reognize them: The top lube holes at both ends have already been opened, but they are losed with srews for shipment (O-rings for sealing the lube fittings are provided with the runner bloks). SNH R (Examples) Runner bloks (exlusively) for entral oil lubriation via dosing valves FNS R Speial feature: Runner bloks R have smaller lube duts. They need only small quantities of lube oil even when wall-mounted and are therefore suitable for all mounting orientations. How to reognize them: The end aps are gray. In the high runner bloks S.H, the vertial learane between the end aps and an attahment mounting surfae with integrated lube adapters has been designed for ease of maintenane. The top lube holes at both ends have already been opened, but they are losed with srews for shipment (O-rings for sealing the lube fittings are provided with the runner bloks). SNH R (Examples) Runner bloks for wall mounting Speial feature: Runner bloks R are espeially suitable for wall mounting. For lubriation, both lube holes on the end fae must be used to ensure proper lubriation of the upper and lower raeways. For short-stroke appliations, lubriant must be applied to all (four) lube holes. How to reognize them: The runner bloks have two lube holes at eah end fae for oil lubriation. FNS R (Example) Runner bloks size 65 (only) Speial feature: The runner blok FLS R for wall mounting is available in size 65 (only) with auray lass SP and preload lass C3 (13% C). Lube fittings must be attahed at both ends faes (a) or at both ends of the attahment mounting surfae (b) to ensure proper lubriation of the upper and lower raeways. The side holes () annot be used! FLS R ) a) The dimensions, load apaities, rigidity and moment loads orrespond to those of standard runner blok FLS R How to reognize them: The end aps are blue. a) ) b)

13 3 Bosh Rexroth AG R31EN 232 (26.4) Standard Runner Bloks, Steel version Rigidity Rigidity of the roller rail system at preload C2 Standard runner blok FNS R1851 Sizes 25 to 65 measured values Runner blok mounted using 6 srews: 4 outer srews of strength lass enterline srews of strength lass Down load 2. Lift-off load Side load Preload lass C2 = preload 8% C Key to graph δ el. = elasti defletion (µm) F = load (N)

14 R31EN 232 (26.4) Bosh Rexroth AG 31 Rigidity of the roller rail system at preload C3 Standard runner blok FNS R Sizes 25 to 65 measured values Runner blok mounted using 6 srews: 4 outer srews of strength lass enterline srews of strength lass Down load 2. Lift-off load Side load Preload lass C3 = preload 13% C Key to graph δ el. = elasti defletion (µm) F = load (N)

15 32 Bosh Rexroth AG R31EN 232 (26.4) Standard Runner Bloks, Steel version Rigidity Rigidity of the roller rail system at preload C2 Standard runner blok FLS R Sizes 25 to 65 measured values Runner blok mounted using 6 srews: 4 outer srews of strength lass enterline srews of strength lass Down load 2. Lift-off load Side load Preload lass C2 = preload 8% C Key to graph δ el. = elasti defletion (µm) F = load (N)

16 R31EN 232 (26.4) Bosh Rexroth AG 33 Rigidity of the roller rail system at preload C3 Standard runner blok FLS R Sizes 25 to 65 measured values Runner blok mounted using 6 srews: 4 outer srews of strength lass enterline srews of strength lass Down load 2. Lift-off load Side load Preload lass C3 = preload 13% C Key to graph δ el. = elasti defletion (µm) F = load (N)

17 34 Bosh Rexroth AG R31EN 232 (26.4) Standard Runner Bloks, Steel version Rigidity Rigidity of the roller rail system at preload C2 Standard runner blok SNH R1821 Sizes 25 to 55 measured values Runner blok mounted using 6 srews of strength lass Down load 2. Lift-off load Side load Preload lass C2 = preload 8% C Key to graph δ el. = elasti defletion (µm) F = load (N)

18 R31EN 232 (26.4) Bosh Rexroth AG 35 Rigidity of the roller rail system at preload C3 Standard runner blok SNH R Sizes 25 to 55 measured values Runner blok mounted using 6 srews of strength lass Down load 2. Lift-off load Side load Preload lass C3 = preload 13% C Key to graph δ el. = elasti defletion (µm) F = load (N)

19 36 Bosh Rexroth AG R31EN 232 (26.4) Standard Runner Bloks, Steel version Rigidity Rigidity of the roller rail system at preload C2 Standard runner bloks SLH R1824 (sizes 25 to 55) and SLS R1824 (size 65) Sizes 25 to 65 measured values Runner blok mounted using 6 srews of strength lass Down load 2. Lift-off load Side load Preload lass C2 = preload 8% C Key to graph δ el. = elasti defletion (µm) F = load (N)

20 R31EN 232 (26.4) Bosh Rexroth AG 37 Rigidity of the roller rail system at preload C3 Standard runner bloks SLH R1824 (sizes 25 to 55) and SLS R1824 (size 65) Sizes 25 to 65 measured values Runner blok mounted using 6 srews of strength lass Down load 2. Lift-off load Side load Preload lass C3 = preload 13% C Key to graph δ el. = elasti defletion (µm) F = load (N)

21 86 Bosh Rexroth AG R31EN 232 (26.4) Wide Produt Desription Outstanding features Wide runner bloks for appliations with high moment loads and enhaned rigidity Improved travel harateristis Four referene edges on runner blok for preise alignment in mahine struture Very high torque apaity Very high torsional moment and torsional rigidity Improved rigidity under lift-off and side loading onditions through four additional mounting srew holes at the enter of the runner blok Mounting of attahments to runner blok from above or below Further highlights Lube ports on all sides for maximum ease of maintenane Novel lube dut design minimizes lubriant onsumption. Runner bloks made from antifrition bearing steel, with hardened and ground raeways (guide rails also with hardened raeways and ground on all sides) Smooth running thanks to optimized roller reirulation and guidane Optimized entry-setion geometry and high number of rollers per trak minimizes variation in elasti defletion. Aluminum end aps End seals integrated as standard for better sealing of all running traks and to protet plasti parts Options Corrosion-resistant wide runner bloks and guide rails in Resist CR, matte silver hard hrome plated, available in auray lass H (preload C2) Proven over strip for guide rail mounting holes A single over for all holes saves time and money Stainless spring steel to EN 188 Easy to fit simply lip on and seure

22 R31EN 232 (26.4) Bosh Rexroth AG 87 Wide Roller Rail System Runner blok wide, long, standard height BLS R1872 Aluminum end aps End seals integrated as standard for better sealing of all running traks and to protet plasti parts Optimal roller guidane design Smooth running thanks to optimized roller reirulation and guidane

23 88 Bosh Rexroth AG R31EN 232 (26.4) Wide Rigidity Rigidity of the roller rail system at preload C2 Wide runner blok BLS R Sizes 55/85 and 65/1 alulated values Runner blok mounted using 8 srews and the upper referene edges only All srews of strength lass /85 65/ Down load Lift-off load 5 55/85 65/ Side load 5 55/85 65/ Preload lass C2 = preload 8% C Key to graph δ el. = elasti defletion (µm) F = load (N)

24 R31EN 232 (26.4) Bosh Rexroth AG 89 Rigidity of the roller rail system at preload C2 Wide runner blok BLS R Sizes 55/85 and 65/1 alulated values Runner blok mounted using 8 srews and all 4 referene edges (top and bottom) All srews of strength lass /85 65/ Down load 2. Lift-off load 5 55/85 65/ Side load 5 55/ /1 2 Preload lass C2 = preload 8% C Key to graph δ el. = elasti defletion (µm) F = load (N)

25 9 Bosh Rexroth AG R31EN 232 (26.4) Wide Rigidity Rigidity of the roller rail system at preload C3 Wide runner blok BLS R Size 55/85 Size 65/1 alulated values measured values Runner blok mounted using 8 srews and the upper referene edges only All srews of strength lass /85 65/ Down load 2. Lift-off load 5 55/ / Side load 5 55/ /1 2 Preload lass C3 = preload 13% C Key to graph δ el. = elasti defletion (µm) F = load (N)

26 R31EN 232 (26.4) Bosh Rexroth AG 91 Rigidity of the roller rail system at preload C3 Wide runner blok BLS R Size 55/85 Size 65/1 alulated values measured values /85 Runner blok mounted using 8 srews and all 4 referene edges (top and bottom) All srews of strength lass /1 1. Down load Lift-off load 5 55/ / Side load 5 55/ /1 2 Preload lass C3 = preload 13% C Key to graph δ el. = elasti defletion (µm) F = load (N)

27 142 Bosh Rexroth AG R31EN 232 (26.4) Mounting Instrutions General Mounting Instrutions General notes The following installation notes apply to all. In overhead mounting orientations (suspended top down) the runner blok ould possibly ome away from the rail due to loss or breakage of rollers. Seure the runner blok against falling! Rexroth roller rail systems are high quality, preision manufatured produts and must therefore be handled with the utmost are in transit and during subsequent installation. The same are must be taken with over strips. All steel parts are treated with antiorrosion oil prior to shipment. It is not neessary to remove this oil provided the reommended lubriants are used. Parallelism offset of mounted rails Values measured at the guide rails and at the runner bloks II P 1 II P 1 The parallelism offset P 1 auses a slight inrease in preload on one side of the assembly. As long as the values speified in the table are met, the effet of this on the servie life an generally be negleted. Preload lasses C2 = preload 8% C C3 = preload 13% C Roller Rail Size Parallelism offset P 1 (mm) for preload lass System C2 C3 Standard Wide 55/ / Heavy duty Mounting with mounting runner blok The entral hole D in the mounting runner blok allows preise measurement of the relative rail position. The rail mounting srews an also be driven down through this hole. Fixed Mounting with mounting runner blok Standard runner blok Fixed Aligning the rails Align and mount the first rail using a graduated straightedge. Set up a mounting bridge with dial gauge between the runner bloks. Move both runner bloks in parallel until hole D in the mounting runner blok is positioned preisely above a mounting hole in the rail. Align the guide rail manually until the dial gauge shows the orret dimension. Then srew down the rail through hole D in the mounting runner blok. Fixed Mounting runner blok To be aligned

28 R31EN 232 (26.4) Bosh Rexroth AG 143 Mounting Instrutions General Mounting Instrutions Vertial offset Provided the vertial offset is kept within the stated toleranes for S 1 and S 2, its influene on the servie life an generally be negleted. Permissible vertial offset in the transverse diretion S 1 S 1 a The tolerane for dimension H, as given the table with auray lasses in the General Produt Desription setion, must be deduted from the permissible vertial offset S 1. S 1 = a Y S 1 = permissible vertial offset of the guide rails (mm) a = distane between guide rails (mm) Y = alulation fator Calulation fator For preload lass C2 C3 Y Permissible vertial offset in the longitudinal diretion S 2 S 2 b The tolerane max. differene in dimension H on the same rail, as given the table with auray lasses in the General Produt Desription setion, must be deduted from the permissible vertial offset S 2. S 2 = b X b X S 2 = permissible vertial offset of the runner bloks (mm) = distane between runner bloks (mm) = alulation fator Calulation fator For runner blok length Standard Long X Runner blok with standard length Standard roller rail system FNS R1851, SNH R1821 Heavy duty roller rail system FNS R1861 Runner blok, long Standard roller rail system FLS R1853, SLH R1824 Wide roller rail system BLS R1872 Heavy duty roller rail system FLS R1863

29 144 Bosh Rexroth AG R31EN 232 (26.4) Mounting Instrutions General Mounting Instrutions Shipment of guide rails One-piee guide rails Standard: One-piee roller guide rails with over strip are shipped with the over strip lipped on, both ends angled down and with protetive aps srewed on. If required, guide rails an also be supplied with a separate over strip. Composite guide rails The over strip and protetive aps are supplied omplete with srews and washers in a separate paking unit. The paking unit is marked with the same manufaturing job number as the labels on the guide rails. The over strips have one angled down and one straight end (strip tongue). Composite guide rails Mathing setions of a omposite guide rail are identified as suh by a label on the pakaging. All setions of the same rail have the same number, whih is marked on the top of the guide rail. Standard guide rail made up of two setions L + 1,5 2,5 x Ø,4 n B a) 1 1 ) d) ) Standard guide rail made up of three or more setions L + 1,5 2,5 n B Number of holes a) Joint (sharp-edged, now also in hard hrome plated guide rails) b) Rail number ) Full rail identifiation on first and last setions d) Joint number x Ø,4 n B a) b) a) b) ) d) d) ) Note on over strip For omposite rails, a over strip to over the total length L is supplied separately along with the rails. Adjusting shaft The setions of omposite rails an be aligned with the aid of an adjusting shaft. For more detailed information see Aessories and Mounting Instrutions for.

30 R31EN 232 (26.4) Bosh Rexroth AG 145 Mounting Instrutions General Mounting Instrutions Wide guide rail made up of two setions L + 2,5 3,5 ø,4 x n B a) b) 1 1 n B Number of holes a) Joint (sharp-edged, now also in hard hrome plated guide rails) b) Rail number ) Full rail identifiation on first and last setions d) Joint number ) d) ) Wide guide rail made up of three or more setions L + 2,5 3,5 ø,4 x n B a) b) a) b) ) d) d) ) Heavy duty guide rail made up of two setions L + 2,5 3,5 x Ø1,1 n B a) 1 1 ) d) ) Heavy duty guide rail made up of three or more setions L + 2,5 3,5 n B Number of holes a) Joint (sharp-edged, now also in hard hrome plated guide rails) b) Rail number ) Full rail identifiation on first and last setions d) Joint number x Ø1,1 n B a) b) a) b) ) d) d) ) Note on over strip For omposite rails, a over strip to over the total length L is supplied separately along with the rails. Adjusting shaft The setions of omposite rails an be aligned with the aid of an adjusting shaft. For more detailed information see Aessories and Mounting Instrutions for.

31 146 Bosh Rexroth AG R31EN 232 (26.4) Mounting Instrutions General Mounting Instrutions Mounting examples Lateral retention of the guide rails and/or runner bloks (examples) Guide rails Eah guide rail has ground referene surfaes on both sides. These are not marked, sine eah guide rail an be mounted to the left or the right of a referene edge (1) for lateral retention. Notes For guide rails without lateral retention, we reommend using a straightedge to make sure the rails are properly aligned and parallel during assembly (reommended limits for side load if no additional lateral retention is provided, see Mounting ). Use a mounting runner blok (see General Mounting Instrutions ). Install mounting hole plugs or a over strip (see the relevant Mounting Instrutions!): A After mounting the guide rails, tap the plasti mounting hole plugs into the srew holes with the aid of a plasti pad until flush with the surfae of the rail. B To fit steel mounting hole plugs, always use the speial mounting tool (see Aessories ). The plugs must be flush with the rail surfae before mounting the runner blok! C For guide rails with over strip, see Notes on over strip A B C 1 1 Installing mounting hole plugs or a over strip to the guide rail Referene edge 2 Clamping strip 3 Wedge profile 4 Loating pins 2 3 Runner bloks Standard and heavy duty runner bloks have one ground referene edge on eah side, while wide runner bloks have two (total of four) (dimension V 1 in the dimension drawings). Always fit steel mounting hole plugs before pushing on the runner bloks! Before mounting the runner blok, oil or grease the sealing lips of the runner blok and the bevel on the end fae of the guide rail! After sliding the runner blok onto the rail, hek that it moves easily. Then apply initial lubriation (see Lubriation setion)! Detailed information on the mounting proedure an be found in Mounting Instrutions for. Mounting the runner blok The transport and mounting arbor must remain in the runner blok until the blok is pushed onto the guide rail. Otherwise, rollers may be lost! Use the mounting arbor again to remove runner bloks from the rail! When not installed on the guide rails, the runner bloks should always be kept on the arbor!

32 R31EN 232 (26.4) Bosh Rexroth AG 147 Mounting Instrutions Mounting Load on the srew onnetions between the guide rail and the mounting base The high-performane apability of Roller Rail Systems permits the load limits for srew onnetions as speified in DIN to be exeeded. The most ritial point is the srew onnetion between the guide rail and the mounting base. Srew onnetions for whih the loads F or moment loads M t exeed the relevant load limits in the table must be separately realulated (see VDI Guideline 223). The values shown in the table apply under the following onditions: Mounting srews quality 12.9 Srews tightened with a torque wrenh Srews lightly oiled (for srews in quality 8.8, an approximation fator of.6 an be applied). Parts srewed down to steel or ast iron bases Srew-in depth at least 2x thread diameter Standard roller rail systems Guide rail Size Stati lift-off loads F and moment loads M t Runner blok, standard length Runner blok, long SNH R1821, FNS R1851 SLH (SLS) R1824, FLS R1853 F max M t max F max M t max N Nm N Nm R R R R187 R Wide roller rail systems Guide rail Size Stati lift-off loads F and moment loads M t Runner blok, long BLS R1872 R1875 R1873 F max M t max N Nm 55/ / Heavy duty roller rail systems Guide rail Size Stati lift-off loads F and moment loads M t Runner blok, standard length Runner blok, long FNS R1861 FLS R1863 R1835 R1865 F max M t max F max M t max N Nm N Nm Guide rail for mounting from above Standard: R185, R186, R1845 Wide: R1875, R1873 Heavy duty: R1835, R1865 Guide rail for mounting from below Standard: R187, R1847 M t max M t max F max F max

33 148 Bosh Rexroth AG R31EN 232 (26.4) Mounting Instrutions Mounting Referene edges and orner radii Combination examples The ombinations shown here are examples. Basially, any runner blok may be ombined with any of the rail types offered. Mounting and lubriation For details of runner blok and guide rail mounting, see General Mounting Instrutions. For initial and in-servie lubriation, see Lubriation. Detailed information on the mounting proedure an be found in Mounting Instrutions for. Mounting srews Always hek the strength fator of the srews in the ase of high lift-off loads! Please refer to the setion Load on the srew onnetions between the guide rail and the mounting base. Guide rails R185, R186, R1845, R1846 (for mounting from above) h 2 Standard runner bloks FNS R1851, FLS R1853 (flanged) r 2 O 2 O 1 r 2 O 4 O 4 r 2 h2 Guide rails R187, R1847 (for mounting from below) h 1 O 3 h 1 O r r Standard runner bloks SNH R1821, SLH (SLS) R1824 (slimline) Guide rails R185, R186, R1845, R1846 (for mounting from above) N 8 h 2 Size Dimensions (mm) h 1 min h 1) 1 max h 2 N 8 r 1 max r 2 max ) When using braking and lamping units, please take aount of the values H 1 from the Braking and Clamping Units atalog. Size Standard Srew sizes Runner blok O 1 O 1) 2 ISO 4762 DIN piees 2 piees O 4 1) 2) ISO piees h 1 r 1 O 5 ISO piees Guide rail O 3 ISO 4762 N 8 O 5 O 3 O 6 ISO M6x2 M6x16 M8x2 M6x18 M6x3 M6x2 35 M8x25 M8x2 M1x25 M8x25 M8x35 M8x25 45 M1x3 M1x25 M12x3 M1x3 M12x45 M12x3 55 M12x4 M12x3 M14x4 M12x35 M14x5 M14x4 65 M14x45 M14x35 M16x45 M16x4 M16x6 M16x45 1) For runner blok mounting using 6 srews: Tighten the enterline srews O 2, O 4 or O 5 with the tightening torque for strength lass ) For runner blok mounting from above with only 4 O 4 srews: Permissible side load 1/3 lower, and lower rigidity Permissible side load The reommended limits for permissible side loads without additional lateral retention indiate the approximate upper limits for srews in two strength lasses. In other ases, the permissible side load must be alulated from the srew tension fore. This an be up to about 15% less when using srews in strength lass 1.9 instead of Reommended tightening torques For µ K = µ G =.125 Srew strength Permissible side load without lateral retention 1) lass Runner blok Guide rail O 1 O 2 O 4 O 5 O 3 O ) 9% C 13% C 4) 2% C 13% C 1% C 1% C 8.8 3) 7% C 11% C 4) 16% C 11% C 7% C 7% C ) 15% C 19% C 4) 3% C 22% C 17% C 17% C ) 12% C 16% C 4) 23% C 18% C 12% C 12% C 1) 2) 3) 4) Calulated with frition oeffiient µ =.125 Runner bloks FNS, SNH Runner bloks FLS, SLH For mounting with 2 O 2 srews and 4 O 1 srews M6 M8 M1 M12 M14 M Nm max

34 R31EN 232 (26.4) Bosh Rexroth AG 149 Mounting Instrutions Mounting Loating pins If the reommended limits for permissible side loads are exeeded, the runner blok must be additionally fixed! Possible pin types Taper pin (hardened) or Straight pin ISO 8734 Notes Rough-drilled holes made for prodution reasons may exist at the reommended pin hole positions on the runner blok enterline (dia. < S 1 ). These may be bored open to aommodate the loating pins. If the loating pins have to be driven in at another point, dimension E 2 must not be exeeded in the longitudinal diretion (for dimension E 2, see the tables for the individual runner blok types). Observe dimensions E 1 and E 4! Standard runner bloks FNS R1851, FLS R1853 (flanged) E 4 S 1 L 1 Standard runner bloks SNH R1821, SLH (SLS) R1824 (slimline) Size Dimensions (mm) E 1 E 4 L 1) 1 N 9 max S 1) ) Taper pin (hardened) or straight pin (ISO 8734) Standard E 1 N 9

35 15 Bosh Rexroth AG R31EN 232 (26.4) Mounting Instrutions Mounting Wide Referene edges and orner radii Mounting and lubriation For details of runner blok and guide rail mounting, see General Mounting Instrutions. For initial and in-servie lubriation, see Lubriation. Detailed information on the mounting proedure an be found in Mounting Instrutions for. h 2 h 1 r 1 r 2 O 5 Wide runner bloks BLS R1872 Guide rails R1873, R1875 (for mounting from above) N 8 N 8 h 3 r 2 O 5 O r 3 h 1 O3 1 a) Fixing of the runner blok at only one referene edge b) Fixing of the runner blok at all four referene edges All referene edges must be fixed without play. Size Dimensions (mm) h 1 min h 1 max h 2 h 3 N 8 r 1 max r 2 max 55/ / Mounting srews Always hek the strength fator of the srews in the ase of high lift-off loads! Please refer to the setion Load on the srew onnetions between the guide rail and the mounting base. Permissible side load The reommended limits for permissible side loads without additional lateral retention indiate the approximate upper limits for srews in two strength lasses. In other ases, the permissible side load must be alulated from the srew tension fore. This an be up to about 15% less when using srews in strength lass 1.9 instead of Reommended tightening torques For µ K = µ G =.125 Size Srew sizes Runner blok Guide rail O 5 ISO 4762 O 3 ISO piees 55/85 M12x5 M12x3 65/1 M14x6 M14x35 Srew strength lass Permissible side load without lateral retention 1) Runner blok Guide rail O 5 O % C 2) 16% C % C 2) 27% C 1) Calulated with frition oeffiient µ =.125 2) For runner blok mounting using 8 srews M12 M Nm max

36 R31EN 232 (26.4) Bosh Rexroth AG 151 Mounting Instrutions Mounting Referene edges and orner radii Mounting and lubriation For details of runner blok and guide rail mounting, see General Mounting Instrutions. To failitate the mounting of heavy duty runner bloks on the rail, a mounting aid is available on request (see Aessories ). For initial and in-servie lubriation, see Lubriation. Detailed information on the mounting proedure an be found in Mounting Instrutions for. h 2 Heavy Duty Heavy duty runner bloks FNS R1861, FLS 1863 Guide rails R1835, 1865 (for mounting from above) r 2 O 2 O 1 r 2 O 4 O 4 h 1 h O 1 3 O 3 r 1 r 1 h 2 N 8 Size Dimensions (mm) h 1 min h 1 max h 2 N 8 r 1 max r 2 max Mounting srews Always hek the strength fator of the srews in the ase of high lift-off loads! Please refer to the setion Load on the srew onnetions between the guide rail and the mounting base. Permissible side load The reommended limits for permissible side loads without additional lateral retention indiate the approximate upper limits for srews in two strength lasses. In other ases, the permissible side load must be alulated from the srew tension fore. This an be up to about 15% less when using srews in strength lass 1.9 instead of Reommended tightening torques For µ K = µ G =.125 Size Srew sizes Runner blok Guide rail O 1 ISO 4762 O 1) 2 DIN 6912 O 1) 2) 4 ISO 4762 O 3 ISO piees 3 piees 9 piees 1 M16x6 M16x55 M2x6 M24x1 125 M24x85 M24x7 M27x8 M3x12 1) For runner blok mounting using 9 srews: Tighten the enterline srews O 2, or O 4 along the rail with the tightening torque for strength lass ) For runner blok fixing from above using only 6 O 4 srews: Permissible side load 1/3 lower, and lower rigidity Srew strength lass Permissible side load without lateral retention 1) Runner blok Guide rail O 1 O 2 O 4 O ) 9% C 13% C 4) 2% C 1% C 8.8 3) 7% C 11% C 4) 16% C 7% C ) 15% C 19% C 4) 3% C 17% C ) 12% C 16% C 4) 23% C 12% C 1) 2) 3) 4) Calulated with frition oeffiient µ =.125 Runner blok FNS R1861 Runner blok FLS R1863 For mounting with 3 O 2 srews and 6 O 1 srews M16 M2 M24 M27 M Nm max

37 152 Bosh Rexroth AG R31EN 232 (26.4) Lubriation and Maintenane Lubriation Rexroth are delivered filled with an anti-orrosion agent. Immediately after mounting the runner bloks (before start-up), make sure the system has suffiient initial lubriation (basi lubriation). Depending on the runner blok type, the following lubriant types are possible: Both grease and oil Oil only Grease lubriation using grease guns or progressive feeder systems Reommended grease types We reommend using Dynalub 51 with the following properties: High performane lithium soap grease, onsisteny lass NLGI 2, to DIN (KP2K-2 to DIN 51825) Good water resistane Corrosion protetion Temperature range: 2 to +8 C Under onventional environmental onditions this ground-fiber, homogeneous grease is ideally suited for the lubriation of linear elements: At loads of up to 5% C For short-stroke appliations > 1 mm For the permissible speed range of The produt and safety data sheets an be found on our website at Please also read the notes on page 154 of this atalog! Part numbers for Dynalub 51: R (artridge 4 g) R (hobbok 25 kg) Initial lubriation of the runner bloks (basi lubriation) Stroke 2 runner blok length B 1 (normal stroke) For initial lubriation, mount one lube fitting per runner blok, at either of the two end aps! Initial lubriation is applied in three partial quantities as speified in table 1: 1. Grease the runner blok with the first partial quantity as per Table 1, pressing it in slowly with the help of a grease gun. 2. Slide the runner blok bak and forth over at least three times the blok length (size 125: at least 3 mm) for three full yles. 3. Repeat steps 1. and 2. twie more. 4. Chek whether a film of lubriant is visible on the guide rail. Size Initial lubriation (normal stroke) Partial quantity m (3x) 35.9 (3x) (3x) (3x) (3x) 55/ (3x) 65/1 3.2 (3x) (3x) 125 as shown in Fig. 1 Table 1 Fig. 1 Initial lubriation for size 125 At one of the end fae or side lube ports on either of the two end aps: 25 m 3 (3x) and on the runner blok body at all four side lube ports: 7.5 m 3 (3x) per port Stroke < 2 runner blok length B 1 (short stroke) Install and lubriate two lube fittings per runner blok, one on eah of the two end aps! Initial lubriation is applied to eah fitting in three partial quantities as speified in table 2: 1. Grease eah fitting on the runner blok with the first partial quantity as per Table 2, pressing it in slowly with the help of a grease gun. 2. to 4. Repeat the proedure as for initial lubriation (normal stroke). Size Initial lubriation (short stroke) Partial quantity per port 1st end m 3 2nd end m (3x).8 (3x) 35.9 (3x).9 (3x) (3x) 1. (3x) (3x) 1.4 (3x) (3x) 2.7 (3x) 55/ (3x) 1.8 (3x) 65/1 3.2 (3x) 3.2 (3x) (3x) 15. (3x) 125 Lube ports 1st end, 2nd end and sides as shown in Fig. 2 Table 2 Fig. 2 Initial lubriation for size 125 At two lube ports, one on eah of the two end aps: 25 m 3 (3x) and on the runner blok body at all four side lube ports: 7.5 m 3 (3x) per port 25 m 3 (3x)

38 R31EN 232 (26.4) Bosh Rexroth AG 153 Lubriation and Maintenane Lubriation Grease lubriation using grease guns or progressive feeder systems (ontinued) Relubriation of runner bloks Stroke 2 runner blok length B 1 (normal stroke) When the travel distane shown as the relubriation interval in Fig. 5 has been reahed, apply the relubriation quantity as speified in Table 3. Please also read the notes on relubriation on page 154 of this atalog! Size Relubriation (normal stroke) m / / as shown in Fig. 3 Table 3 Fig. 3 Relubriation for size 125 At one of the end fae or side lube ports on either of the two end aps: 55 m 3 or on the runner blok body at all four side lube ports: 15 m 3 per port Stroke < 2 runner blok length B 1 (short stroke) When the travel distane shown as the relubriation interval in Fig. 5 has been reahed, apply the relubriation quantity as speified in Table 4. At eah lubriation yle the runner blok should be traversed through a lubriating stroke of 3 runner blok length B 1. In any ase, the lubriating stroke must be at least the length of the runner blok. If the largest possible lubriating stroke is smaller than the runner blok length B 1, lubriant must be applied to the guide rail. Please onsult us for details. Size Relubriation (short stroke) per port 1st end m 3 2nd end m / / Side ports as shown in Fig. 4 Table 4 Fig. 4 Relubriation for size 125 On the runner blok body at all four side lube ports: 15 m 3 per port Please also read the notes on relubriation on page 154 of this atalog!

39 154 Bosh Rexroth AG R31EN 232 (26.4) Lubriation and Maintenane Lubriation Grease lubriation using grease guns or progressive feeder systems (ontinued) Load-dependent relubriation intervals for grease lubriation using grease guns or progressive feeder systems ( dry axes ) Sizes 25 to 125 The following onditions apply: Grease lubriant Dynalub 51 or alternatively Castrol Longtime PD 2 Maximum speed: v max = 2 m/s No exposure to metalworking fluids Standard seals Ambient temperature: T = 2 3 C s (km) / / Key to graph s = relubriation interval expressed as travel (km) C = dynami load apaity (N) F = equivalent dynami load (N) Fig. 5 1,1,2,3,4 F/C Notes The load ratio F/C is the quotient of the equivalent dynami load on the bearing F (making allowane for a preload of 8% C or 13% C) divided by the dynami load apaity C (see General Tehnial Data and Calulations ). If other lubriants are used, this may lead to a redution in the relubriation intervals, the ahievable travel in short-stroke appliations, and the load apaities. Possible hemial interations between the plasti materials, lubriants and preservative oils must also be taken into aount. Do not use greases ontaining solid partiles (e.g., graphite or MoS 2 )! When using progressive feeder systems, do not go below the minimum dosing quantity for relubriation as given in Table 9. If the system is to be exposed to metalworking fluids, always apply 2 to 5 lubriant pulses at the beginning or when the system has been at a standstill for a longer period. If possible, apply lubriant while the system is in motion. Carry out leaning and lubriating strokes (see Maintenane ). For relubriation intervals in appliations involving exposure to metalworking fluids, please onsult us. If the appliation onditions involve dirt, vibrations, impats, et. we reommend shortening the relubriation intervals aordingly. Even under normal operating onditions, the system must be relubriated at the latest after 2 years due to aging of the grease. If your appliation involves more demanding environmental requirements (suh as lean room, vauum, food industry environment, inreased exposure to fluids or aggressive media, extreme temperatures), please onsult us. These situations must be investigated on a ase by ase basis and may require the use of a speial lubriant. Be sure to have all the information onerning your appliation at hand when ontating us. Swithing from grease to oil lubriation while the system is in servie is not possible as the lubriation duts are already filled with grease, and oil will not be able to pass through them.

40 R31EN 232 (26.4) Bosh Rexroth AG 155 Lubriation and Maintenane Lubriation Liquid grease lubriation via single-line piston distributor systems Liquid grease lubriation We reommend using Dynalub 52 with the following properties: High performane lithium soap grease, onsisteny lass NLGI, to DIN (GPK-2 to DIN 51826) Good water resistane Corrosion protetion Temperature range: 2 to +8 C Initial lubriation of the runner bloks (basi lubriation) Under onventional environmental onditions this ground-fiber, homogeneous grease is ideally suited for the lubriation of linear elements: In single-line entralized lubriation systems At loads of up to 5% C For short-stroke appliations > 1 mm For the permissible speed range of For miniature versions We reommend applying initial lubriation with a manual grease gun before onneting the equipment to the entralized lubriation system. The produt and safety data sheets an be found on our website at Please also read the notes on page 158 of this atalog! Part numbers for Dynalub 52: R (artridge 4 g) R (buket 5 kg) If initial lubriation is nevertheless arried out via the entralized lubriation system, it is essential that all lines and piston distributors should be filled. The pulse ount an then be alulated from the partial quantities and the piston distributor size aording to Table 9. Stroke 2 runner blok length B 1 (normal stroke) For initial lubriation, mount one lube fitting per runner blok, at either of the two end aps! Initial lubriation is applied in three partial quantities as speified in table 5: 1. Grease the runner blok with the first partial quantity as per Table 5, pressing it in slowly with the help of a grease gun. 2. Slide the runner blok bak and forth over at least three times the blok length (size 125: at least 3 mm) for three full yles. 3. Repeat steps 1. and 2. twie more. 4. Chek whether a film of lubriant is visible on the guide rail. Size Initial lubriation (normal stroke) Partial quantity m (3x) 35.9 (3x) (3x) (3x) (3x) 55/ (3x) 65/1 3.2 (3x) (3x) 125 as shown in Fig. 6 Table 5 Fig. 6 Initial lubriation for size 125 At one of the end fae or side lube ports on either of the two end aps: 25 m 3 (3x) and on the runner blok body at all four side lube ports: 7.5 m 3 (3x) per port Stroke < 2 runner blok length B 1 (short stroke) Install and lubriate two lube fittings per runner blok, one on eah of the two end aps! Initial lubriation is applied to eah fitting in three partial quantities as speified in table 6: 1. Grease eah fitting on the runner blok with the first partial quantity as per Table 6, pressing it in slowly with the help of a grease gun. 2. to 4. Repeat the proedure as for initial lubriation (normal stroke). Size Initial lubriation (short stroke) Partial quantity per port 1st end m 3 2nd end m (3x).8 (3x) 35.9 (3x).9 (3x) (3x) 1. (3x) (3x) 1.4 (3x) (3x) 2.7 (3x) 55/ (3x) 1.8 (3x) 65/1 3.2 (3x) 3.2 (3x) (3x) 15. (3x) 125 Lube ports 1st end, 2nd end and sides as shown in Fig. 7 Table 6 Fig. 7 Initial lubriation for size 25 At two lube ports, one on eah of the two end aps: 25 m 3 (3x) 25 m 3 (3x) and on the runner blok body at all four side lube ports: 7.5 m 3 (3x) per port

41 156 Bosh Rexroth AG R31EN 232 (26.4) Lubriation and Maintenane Lubriation Liquid grease lubriation via single-line piston distributor systems (ontinued) Relubriation of runner bloks Stroke 2 runner blok length B 1 (normal stroke) Apply the minimum quantity aording to Table 7 to the lube port until the relubriation interval as speified (in Fig. 1) has been reahed. Notes The required pulse ount is the quotient (as a whole number) of the minimum relubriation quantity aording to Table 7 and the smallest permissible piston dis-tributor size (i.e. the minimum pulse quantity) aording to Table 9. The smallest permissible piston distributor size also depends on the mounting orientation. Size Relubriation (normal stroke) m / / as shown in Fig. 8 Table 7 Fig. 8 Please also read the notes on relubriation on page 158 of this atalog! Relubriation for size 125 At one of the end fae or side lube ports on either of the two end aps: 55 m 3 or on the runner blok body at all four side lube ports: 15 m 3 per port The lubriant yle time an then be obtained by dividing the relubriation interval (aording to Fig. 1) by the alulated pulse ount (see design example on page 163). Stroke < 2 runner blok length B 1 (short stroke) Apply the minimum quantity aording to Table 8 per lube port until the relubriation interval as speified (in Fig. 1) has been reahed. Calulate the required pulse ount and lubriant yle time in the same way as for relubriation (normal stroke). At eah lubriation yle the runner blok should be traversed through a lubriating stroke of 3 runner blok length B 1. In any ase, the lubriating stroke must be at least the length of the runner blok. If the largest possible lubriating stroke is smaller than the runner blok length B 1, lubriant must be applied to the guide rail. Please onsult us for details. Size Relubriation (short stroke) per port 1st end m 3 2nd end m / / Side ports as shown in Fig. 9 Table 8 Fig. 9 Relubriation for size 125 On the runner blok body at all four side lube ports: 15 m 3 per port Please also read the notes on relubriation on page 158 of this atalog!

42 R31EN 232 (26.4) Bosh Rexroth AG 157 Lubriation and Maintenane Lubriation Liquid grease lubriation via single-line piston distributor systems (ontinued) Mounting orientation I normal stroke Mounting orientation II normal stroke Mounting orientation III normal stroke Horizontal Vertial to slanting horizontal Wall mounting 1 lube fitting at either of the two end aps 1 lube port at top end ap 1 lube fitting at either of the two end aps to max. ±9 to max. ±9 Horizontal, top-down Same port Vertial to slanting, top-down Same port For runner blok R , 2 lube ports, one on eah end ap, either at the end fae or on the mounting fae Mounting orientation IV short stroke Mounting orientation V short stroke Mounting orientation VI short stroke Horizontal 2 lube ports, one on eah of the two end aps Vertial to slanting horizontal 2 lube ports, one on eah of the two end aps (top and bottom) Wall mounting 2 lube ports, one on eah of the two end aps to max. ±9 to max. ±9 Horizontal, top-down Same port Vertial to slanting, top-down Same port Not possible with runner blok R Smallest permissible piston distributor sizes for liquid grease lubriation through single-line entralized systems 1) Runner bloks Smallest permissible piston distributor size ( minimum pulse quantity) per lube port (m 3 ) for liquid grease, NLGI lass Size Part numbers Mounting orientations /85 65/ R or... 6 or Horizontal I, IV R or or Vertial II, V R or Wall mounting III, VI (3x) 2) 1.5 (3x) 2)3) R Wall mounting III.1 Table 9 1) Applies under the following onditions: Dynalub 52 (or alternatively Castrol Longtime PD ) and piston distributors from Vogel 2) Sizes 1 and 125: Either three pulses in short suession or three metering valves eah delivering one pulse simultaneously 3) Size 125: 1.5 m 3 per port when all four ports in the runner blok body are used