Know-how learned in machine design - Information dissemination site

Machine Designer's Note

LM Guide/Linear Guide /Linear Shaft

: Structure Comparison of LM (Linear) Guides and Linear Bushings

2026/2/17 LM Guide/Linear Guide /Linear Shaft

Here is a note about "Structure comparison and usage of LM (Linear) Guide and linear Bush". In a modern production line where 24-hour operation has become the norm, machine designers are truly afraid...

: Linear Shaft Evaluation and Design Complete Guide｜Material, Heat treatment, Surface treatment, etc.

2026/1/31 LM Guide/Linear Guide /Linear Shaft

Here is the practical memo know-how about the "linear shaft" used in the guide mechanism. "I want to make a guide mechanism using a linear shaft, but I can be sure which material to choose...

: Rail fixing method for LM Guide and Linear Guide

2026/1/2 LM Guide/Linear Guide /Linear Shaft

Today, I would like to make a note on "How to fix LM guide and linear guide rails".　 First of all, the premise is that the fixing method of LM guide (made by THK) and linear guide (made by NSK) is different depending on ...

: There are three main reasons/causes for poor LM Guide movement

2026/1/2 LM Guide/Linear Guide /Linear Shaft

Today's note is about "three major reasons/causes of poor LM guide movement. Some time ago, I saw a machine that had a bad LM guide movement during post-assembly/adjustment work of a certain machine. &nbs ...

: Basic calculations for LM guides subjected to external loads during horizontal drive

2026/1/2 LM Guide/Linear Guide /Linear Shaft

Today's note is on "Basic Calculations for LM Guide Subjected to External Loads During Horizontal Drive": How much load is applied to the LM guide when an external load/load is applied to any part of the object to be conveyed in the X/Y/X direction while being conveyed by the LM guide?.

: LM guide load calculation for vertical conveying (2 rails, 2 blocks)

2026/1/2 LM Guide/Linear Guide /Linear Shaft

Today's note is about "LM Guide Load Calculation for Vertical Conveying (2 rails, 2 blocks)". I have previously shared the calculation sheet for horizontal use, and today I will share the load calculation sheet for vertical use of the LM Guide. The LM Guide ...

: Design of LM guide mounting surface of THK (parallelism and supplementary information)

2026/1/2 LM Guide/Linear Guide /Linear Shaft

Today's note is on "Designing THK's LM Guide Mounting Surfaces (Parallelism and Supplementary Information)". The following is an excerpt from the THK catalog on the accuracy of the mounting surface to be designed when using the LM Guide, as well as a note on the mounting surface ...

: How to obtain CAD data for THK grease nipples

2026/1/2 LM Guide/Linear Guide /Linear Shaft, Ball screw

Today's note is about "How to get CAD data for THK grease nipples". THK Grease Nipples If you download the CAD data for the LM Guide from THK's website, the grease nipples come with ...

: Notes on the order and key points for selecting (calculating) the LM Guide

2026/1/2 LM Guide/Linear Guide /Linear Shaft

Today's note is about the order of selecting (calculating) the LM guide and a note on the key points. The LM guide is often used in various machines, and this LM guide is the boss among machine elements.

: LM guide load calculation for horizontal conveying (2 rails, 2 blocks)

2026/1/2 LM Guide/Linear Guide /Linear Shaft

Today's memo is for "LM guide load calculation for horizontal conveying (2 rails, 2 blocks). This is the load load calculation in the general usage "2-rail 2-block". In this article, depending on the drive conditions, the image below LM nut P1 and ...

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