THK Linear Bushing, Instruction Manual

Page 1: ...Instruction Manual No 1030 T34670 Linear Bushing THK Linear Motion System www thk ru 7 499 703 39 86 sales thk ru...

Page 2: ...Precautions on Use 2 1 2 1 Safety Related Warning Displays 2 1 2 2 Handling 2 1 2 3 Precautions on Use 2 2 2 4 Lubrication 2 3 2 5 Storage 2 3 2 6 Disposal 2 3 3 Assembly 3 1 3 1 Mounting the Outer Cy...

Page 3: ...ry 1 2 3 Notice and Attention z z Do not handle or use this product in any way other than as described in this manual z z No part of this manual may be duplicated reproduced or loaned without permissi...

Page 4: ...roduct failure When using this product in equipment where failure of this product could cause a severe accident or damage install a safety device or backup device to prevent the occurrence of severe a...

Page 5: ...d result in physical injury or material damage Prohibited never do this Required always do this 2 2 Handling C A U T I O N Do not disassemble z z Disassembling components may cause dust to enter the s...

Page 6: ...ensure that an oil film forms between the raceway and the rolling elements Maximum temperature 80 C Max z z Do not use this product if the external temperature exceeds 80 C If used in excess of this...

Page 7: ...resistance will be affected by changes in consistency z z Following greasing the stirring resistance of the grease can cause the Linear Bushing to exhibit increased sliding resistance Before commenci...

Page 8: ...ME H7 K6 J6 LMF High accuracy grade no symbol H7 J7 LMK LMH LM L LMF L LMK L LMH L LMIF LMIK LMIH LMIF L LMIK L LMIH L LMCF L LMCK L LMCH L Clearance between the Outer Cylinder and LM Shaft When using...

Page 9: ...F L LMCK L LMCH L 3 1 Mounting the Outer Cylinder Although the Linear Bushing does not require a large amount of strength for securing it in the LM shaft direction do not rely only on a press fit to s...

Page 10: ...snap ring LM 3 AR 7 LM 4 8 LM 5 WR 10 10 10 10 LM 6 12 12 12 12 LM 8 15 15 15 LM 8S 15 15 15 LM 10 19 19 19 19 LM 12 21 21 21 21 LM 13 23 22 23 LM 16 28 28 28 LM 20 32 32 32 LM 25 40 40 40 40 LM 30 4...

Page 11: ...the outer diameter to facilitate adjustment of the clearance between the Linear Bushing and the LM shaft Positioning the Linear Bushing slit at a 90 angle to the housing slit will apply uniform deform...

Page 12: ...be attached from the top or bottom by simply tightening the bolts the installation time can be shortened Figure 3 6 Figure 3 6 Mounting Model SC SL z z Mounting Model SH SH L Since models SH and SH L...

Page 13: ...oad When using the Linear Bushing make sure the load is evenly distributed across the entire ball raceway In particular if a moment load is to be applied use two or more Linear Bushing units on the sa...

Page 14: ...M Felt Seal The felt seal can be press fit into a housing finished to H7 but cannot be used as a stopper for preventing the Linear Bushing from detaching Be sure to attach the felt seal as shown in Fi...

Page 15: ...Bushing Then depending on the usage state either apply as described above when appropriate provide a housing as shown in Figure 4 1 or apply grease to the LM shaft We recommend using high quality lit...

Page 16: ...troke increase the lubrication frequency or the amount of oil applied so that an oil film is able to form in the stroke end of the raceway z z In environments where coolant may spatter the lubricant m...

Page 17: ...ndix Revision History The instruction manual number is on the back cover Publication Date Instruction Manual No Revisions December 2017 No 1030 T34670 First edition www thk ru 7 499 703 39 86 sales th...

Page 18: ...No 1030 T34670 Inquiries Website URL https www thk com eng Technical support site URL https tech thk com www thk ru 7 499 703 39 86 sales thk ru...