1] About Mechanical Design

: 17 years of experience in mechanical design. Rewarding experience in mechanical design by content.

2023/12/1 The story of machine design

今日は「機械設計のやりがい」についてのメモです。機械設計というお仕事に興味がある方、機械設計士目指そうとしている方、機械設計の仕事ってどんなやりがいがあるんだろう？と疑問 ...

: A few tips for finding items to purchase in the MISUMI website catalog

2020/10/9 Misumi

今日は「ミスミのサイトカタログで購入品を探すときのちょっとしたコツ」についてのメモです。ミスミのサイトカタログ選定のコツ先日呟きましたが、これ結構大事かも。　と思いましたので情報をシ ...

: Information on general counterbore depths (dimensions) and processing methods for hexagon socket head bolts

2026/2/27 Screw/Bolt, Drawing/Writing

Today's memo is about "Common countersink depths (dimensions) and machining methods for socket head cap screws." There is a lot of this kind of dimensional information already available, but this article focuses on "common socket head cap screws...".

: Hourly rates for mechanical design

2024/5/8 The story of machine design

Today I'm going to leave a note about the "market price per hour for mechanical design". This article is about my approach to the unit price of mechanical design (from basic to application), the actual unit price, and the price on Twitter and other social networking sites ....

: The basic method of determining the length of bolts and screws is to use a length that can be screwed in 1.5D to 2D.

2025/11/16 Input design

Today I would like to talk about "how to determine the length of bolts and screws should basically be 1.5D-2D threaded length. I know this is a bit sudden, but this is the conclusion. The length of bolts and screws should basically be 1.5D-2D screw-in ...

: How to proceed with a mechanical design job that ends up taking a lot of time.

2023/12/3 The story of machine design

Today's note is about "How to proceed with a mechanical design job that ends up taking a lot of time". This article is undergoing a major rewrite. In mechanical design work, to make new things happen

: Tips for designing spring-return emergency shutoff valves

2026/1/31 Design method

Here is a note on "Tips for designing spring-return emergency shutoff valves". Spring Return Emergency Shutoff Valve What is an emergency shutoff valve?.

: Development work and production engineering for electromagnetic brakes

2025/12/29 Production Technology/Manufacturing technology

Today's note is about "Development Operations and Production Engineering of Electromagnetic Brakes". I used to be involved in the development and production engineering operations of an electromagnetic brake manufacturer, so today I would like to write an article about the development and production engineering of electromagnetic brakes ...

: Production engineering and development work at a plastic lens manufacturer

2025/12/29 Production Technology/Manufacturing technology

Today's memo is about "production engineering and development work at a plastic lens manufacturer. Overview of Production Engineering Work at a Plastic Lens Manufacturer Plastic lenses are made by using an injection molding machine to fill the mold with resin.

: ねじの締め付けトルクと軸力の計算

2025/11/16 Input design

今日は　「ねじの締め付けトルクと軸力の計算」　についてのメモです。　　設計の中でも重要な「締結」に用いられる「ねじ」について、ねじの締め付けに関する情報をまとめてご説明したいと思います。 ...