Know-how learned in machine design - Information dissemination site

Machine Designer's Note

: What is quenching? Types and Drawing Instructions for Designers to Know

2026/1/31 Heat treatment

This section notes the types of heat treatment used for mechanical parts and the drawing instructions that designers should know about quenching. When "quenching" is written in a drawing instruction, it is not just a process to harden steel, but also a process to ...

: List of Modulus of Longitudinal Elasticity (Young's Modulus)｜Thorough explanation of values for metals, resins, and ceramics

2026/1/31 Analytical Strength/CAE

Here is a note on "Young's modulus," which is necessary for strength analysis. Have you ever had trouble selecting an accurate value for Young's modulus?　　Do you have any information on Young's modulus?.

: List of Poisson's ratios by material and their use in strength analysis

2025/11/12 Analytical Strength/CAE

This is a note on "Poisson's ratio by material and its use in strength analysis" used in strength analysis. The Poisson's ratio is a value that is used to determine the ...

: How to choose and compare analysis software! Comprehensive explanation of recommended software

2025/11/13 Analytical Strength/CAE

Here is a note on "analysis software" that can perform strength analysis. We are considering the introduction of "analysis software" in the field of product design, but we are faced with so many choices that it is difficult to know which one to choose....

: Crane Strength Standards Explained! Information Gathering Guide for Compliance with Laws and Regulations

2025/11/13 crane

Here is a note on "Strength Criteria for Cranes". I was involved in a mechanical design project involving overhead cranes, and while researching how to determine the results of a strength analysis, I came across ...

: Introduction to CAE for Strength Analysis: Learn from the Basics to Avoid Failure

2025/9/24 Analytical Strength/CAE

This page is a memo of "basic knowledge of strength analysis" in mechanical design. When I myself started learning strength analysis as a mechanical designer, I was not familiar with many technical terms and did not know where to start...

: Guide to Cutting Rubber｜What Designers Need to Know about Materials, Accuracy, and Comparison with Dies and Molds

2025/10/13 Rubber/Sponge, Machining/ Foundation

Here is a note on "Comparison of materials, accuracy, and tooling that designers should know as a guide for cutting rubber. As a mechanical designer, I have been involved in the design of rubber parts, and I have been asked, "Is this shape a cutting ...

: Learning Thermo-Symmetric Structures! A Guide to Improving Accuracy in Mechanical Design

2025/11/16 Thermal measures

Here is a note on "thermo-symmetric structure," which is one of the countermeasures against thermal expansion. For designers who pursue high precision in machines, dimensional changes caused by heat and thermal effects can cause failures ...

: Selection Guide for Rubber Hardness｜Explanation of JIS Standards and Guideline

2025/10/13 Rubber/Sponge

Here is a note on "Rubber Hardness and Guideline". When designing rubber parts, I am always confused about the selection of "hardness".　In the past, I have seen many rubber parts in the catalogs, such as "A70", "A90", ...

: What is Centerless Round Bar? Explanation of materials, tolerances, and standards used in design

2026/1/3 Round bar / Square bar

Here are some notes on "centerless round bars," which are commonly sold as round bars. Whenever I design a shaft or other round bar part, I am always faced with the challenge of choosing the right material (buy purchased or ...

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