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THK LM Guide User Manual

THK LM Guide
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Instruction Manual
No. 1030-T34667
LM Guide
THK Linear Motion System
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THK LM Guide Specifications

General IconGeneral
TypeLinear Motion Guide
Load CapacityVaries by model (e.g., 5.8 kN to 200 kN)
AccuracyVaries by grade (e.g., Normal, High, Precision)
ApplicationMachine tools, industrial robots
Seal TypeScraper
Operating Temperature-20°C to +80°C (Standard)
LubricationGrease or Oil
Mounting MethodBolt-On
Model NumberVaries by series (e.g., SR, SRS, SHS, etc.)

Summary

Introduction to THK LM Guides

Foreword

Opening remarks expressing gratitude for purchasing the THK LM Guide and outlining the manual's scope.

About This Manual

Details the intended audience, how to use the manual, and important notices regarding product information and updates.

Scope of Use for This Product

Defines the permissible applications and advises consultation with THK for specialized or life-critical uses.

Product Support

Information on contacting THK for support and to notify them of any concerns regarding product accuracy.

Product Information and THK Information

Provides website URLs for the latest product information and technical support from THK.

Precautions on Use for LM Guides

Safety Related Warning Displays

Explains the meaning of warning, caution, and prohibition symbols used throughout the manual to ensure safety.

Handling Precautions

Guidelines for safe handling, including lifting, avoiding disassembly, and preventing falling objects or jamming.

General Precautions on Use

Advises on preventing foreign material damage, proper lubrication, and handling temperature extremes.

Lubrication Guidelines

Details on lubrication requirements, including avoiding mixing lubricants, using appropriate types, and ensuring proper application.

Storage Instructions

Instructions for storing LM Guides horizontally in their original packaging under controlled indoor conditions.

Disposal Procedures

Guidance on disposing of the product appropriately as industrial waste.

Marking and Combined Use of LM Guides

Marking on the Master LM Guide

Explains serial number markings on LM rails and blocks, ensuring they match for combined use.

Marking on the Reference Surface

Describes markings on the reference surface of LM Guides and their role in positioning and orientation.

Serial Number Marking for Combined Use

Emphasizes using LM rails and blocks with identical serial numbers for correct assembly and operation.

Use of Jointed Rails

Instructions for connecting multiple LM rails for longer lengths, ensuring correct joint positioning and alignment.

Assembly of LM Guides

Mounting Procedure

Detailed steps for mounting LM rails and LM blocks, including surface preparation and tightening sequences.

Measuring Running Accuracy for Single Rail Application

Guidance on measuring running accuracy for single rail applications using an auto-collimator or dial gauge.

Recommended Tightening Torque for LM Rails

Provides tables with recommended tightening torque values for various screw sizes for LM rails.

Removing/Mounting Jig

Information on using a specialized jig for safe and accurate removal or mounting of LM blocks.

Dimensional Tolerance of Mounting Surface

Error Allowance in Parallelism between Two Rails

Discusses parallelism error allowances between two rails and their impact on LM Guide service life.

Error Allowance in Vertical Level between Two Rails

Explains vertical level error allowances between two rails, proportionate to axis-to-axis distance.

Lubrication of LM Guides

Lubrication Interval

Recommends greasing intervals based on travel distance or time, and lists recommended grease types.

Lubrication Method

Details methods for supplying lubricant, including manual greasing, forced greasing, and oil lubrication.

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