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ENGINEER.48

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Active mechanical designer / Mechanical design experience [20 years] I provide design know-how cultivated through practical experience and real information that is not found in textbooks and is useful in the field.

Explanation of Types of Cutting Processes|Basic Knowledge Designers Should Know

2025/8/1    

  ここでは「切削加工の種類と設計者が知るべき基礎知識」についてのメモです。   機械設計において、部品の形状を実現するための加工法選定は、その製品の品質、コスト、納期を左右する極 ...

Image of five different conveyor belts in a row

Belt Types and Belt Selection for Belt Conveyors [Complete Guide].

2025/10/19    ,

  Here is a note on "Belt Types and Belt Selection for Belt Conveyors". Belt selection for belt conveyors is an important factor in determining the productivity and stable operation of a plant.  However, be ...

Textbook on jig changeover and setup changeover|Methods for speeding up the process

2025/10/13    

  ここでは「治具交換・段取り替えの迅速化を実現する手法」についてのメモです。   製造現場で頻繁に発生する治具交換や段取り替え。 この作業に時間がかかり、より迅速でクイックな段取 ...

Material Selection Guide for Jigs|Optimal Selection by Application

  This section notes "How to select the best material for each jig application" as a guide to jig material selection. In the design of jigs, the selection of appropriate materials is an important factor that determines product quality and production efficiency ...

All you need to know about undercut machining|What it means and what machine designers need to know

  ここでは、機械構成部材における「アンダーカットとは何か」「アンダーカットとはどんな加工か」などについて機械設計者が知るべき意味と注意点をメモしています。   機械設計の現場で「 ...

What is the black skin of steel? What designers need to know and how to treat it correctly

  Here is a note on "What is the Black Skin of Steel? What is black film on iron and how should designers know about it? When we handle "iron" in machine design, we sometimes see its surface covered with a black film.

Types and Selection of Nuts|Appropriate Selection Method for Each Application

2025/7/15    

  Here's a memo on "Types of Nuts and How to Choose Them | Proper Selection Methods According to Use." Nuts, essential components in machinery, are categorized by their shape based on their application. Whether for standard fastening...

What is a Flat Bar? Material Selection and Availability

2025/10/13    

  What is a flat bar? Material Selection and Availability". Flat bars (FBs) are often used in mechanical design.

From selecting a nutrunner to designing and installing a nutrunner

  Here, I'm taking notes on "Basic information from choosing a nutrunner to its design and implementation." Regarding the tool called a "nutrunner," I've heard the name, but the specific installation method...

How to Select Rail and Wheel Materials for Heavy Duty Transportation

2026/1/31    

  ここでは 「重量物運搬におけるレールと車輪材質の選定方法」 についてメモしています。   工場や倉庫において、大小さまざまな重量物をレールと車輪で運搬する際、 「どの材質を選べ ...