LM Guide THK - Industrial Technologies

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Индастриал Технолоджис www.industrial‐technologies.com.ua +38 044 498 21 94HRSeparate Type (4-way Equal Load) Model HRSeparate (4-way Equal Load) Type LM Guide Model HR0LM GuideSeparate Type (4-way Equal Load) Model HREnd sealLM railBallRetainer plateLM blockEndplateCross sectionStructure and FeaturesA1-207Types and FeaturesA1-208Rated Loads in All DirectionsA1-209Equivalent LoadA1-209Service Life A1-76Example of Clearance AdjustmentA1-210Accuracy Standards A1-99Shoulder Height of the Mounting Base and the Corner Radius A1-313Error Allowance in the Parallelism between Two Rails A1-316Error Allowance in Vertical Level between Two Rails A1-319Comparison of Model Numbers with Cross-roller Guides A1-211Dimensional Drawing, Dimensional Table, Example of Model Number Coding B1-146Standard Length and Maximum Length of the LM Rail B1-150AccessoriesB1-1514545Industrial TechnologiesA1-206
Индастриал Технолоджис www.industrial‐technologies.com.ua +38 044 498 21 94Features of Each ModelSeparate Type (4-way Equal Load) Model HRStructure and FeaturesBalls roll in two rows of raceways precision-ground on an LM rail and an LM block, and endplatesincorporated in the LM block allow the balls to circulate. Since retainer plates hold the balls, they donot fall off.Because of the angular contact structure where two rows of balls rolling on the LM rail each contactthe raceway at 45°, the same load can be applied in all directions (radial, reverse radial and lateraldirections) if a set of LM rails and LM block is mounted on the same plane (i.e., when two LM rails arecombined with an LM block on the same plane). Furthermore, since the sectional height is low, acompact and stable linear guide mechanism is achieved.This structure makes clearance adjustment relatively easy, and is highly capable of absorbing amounting error.[Easy Installation]Model HR is easier to adjust a clearance and achieve more accuracy than cross-roller guides.[Self-adjustment Capability]Even if the parallelism or the level between the two rails is poorly established, the self-adjustmentcapability through front-to-front configuration of THK's unique circular-arc grooves (DF set) enables amounting error to be absorbed and smooth straight motion to be achieved even under a preload.[4-way Equal Load]When the two rails are mounted in parallel, each row of balls is placed at a contact angle of 45° sothat the rated loads applied to the LM block are uniform in the four directions (radial, reverse radialand lateral directions), enabling the LM Guide to be used in various orientations and in applications.[Sectional Dimensions Approximate to Cross-roller Guides]Since model HR utilizes endcaps for recirculation, cage/retainer creep cannot occur as with crossrollerguides. In addition, the sectional shape of model HR is approximate to that of cross-rollerguides, therefore, its components are dimensionally interchangeable with that of cross-roller guides.[Stainless Steel Type also Available]A special type whose LM block, LM rail and balls are made of stainless steel is also available.LM GuideIndustrial TechnologiesA1-207
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LM Guide THK - Industrial Technologies

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