ENGINEER.48
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Guideline for pipe bending R (hand bending size)
2024/4/20 Bending process
Today's note is about the "standard for pipe bending radius". Pipe bending is mainly done using a bender, but in design, the bending radius depends on the bender's bending radius, so you can choose any radius ...
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Drawing notation and representation of various steel materials based on JIS
2025/8/15 Drawing/Writing
ここでは 機械製図 に必要な「JISに基づいた各種鋼材の図面表記・表現方法」 についてのメモです。 この記事は 図面作成時の鋼材指示を適切に行うために JISB0001：機 ...
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Troubleshooting Explanation of Machinery: 55 Cases Contents of Sutra Volume (up to Table of Contents)
2025/10/19 The story of machine design
Today, I would like to write a note on "Troubleshooting of Machinery: 55 Cases, Contents of Sutra Volume (up to Table of Contents)". The other day, I introduced this book in one word, "What does it contain? I was asked ...
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Air Cylinder Failure Phenomenon and Notes on Design Methods to Prevent Failure
2024/3/5 Air Cylinder/Spicon
Today's topic is "Air Cylinder Failure Phenomena from a Design Perspective and Notes on How to Prevent Failures. Air cylinders must be supplied with the proper amount of air, clean air, proper lubrication, and a proper cylinder design.
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Small electric press sales with some customization available
2024/1/31 Press
Today's note is about a "small electric press for sale that can be partially customized. The press we have developed this time has a basic and simple movement, but also has a highly customizable ...
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SUS303 flat bar standard dimensions
2025/10/13 Flat Bar /FB
ここでは「SUS303のフラットバー規格寸法」をメモしています。 比較的、入手のしやすいサイズを表にしています。 SUS303フラットバー フラットバーサイズ SUS303は、オーステナ ...
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What is Inertia Ratio (How to select the right motor size)
2025/8/23 Motor
This section notes the inertia ratio (load inertia moment ratio), which is required at the same level as the inertia (moment of inertia) to calculate the required output of a motor.
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Drawing Inspection Methods, Concepts, and Specific Checklist Items
2025/10/13 Method of drawing
This section is a memo about the "drawing inspection method, concept, and specific check items" for drafted drawings. Inspection is the work performed after drawing assembly and parts drawings. This section describes the specifics of the drawing inspection process and the items to be checked.
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General Revised Drawing Drafting and Rules
2025/8/15 Drawing/Writing
ここでは 機械製図 における 「一般的な改訂図面の書き方・ルール」 についてのメモです。 私たちが出図した図面は、修正が入ると 改訂図面 として修正作業が行われます。 その ...
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左右対称（RL）部品の書き方・表現の仕方
2024/1/26 Drawing/Writing
今日は 「左右対称（RL）部品の書き方・表現の仕方」 についてのメモです。 機械を構成する上で RL対称部品が出てくるわけですが、それらの 図面表現は各社それぞれのルールがあるので特 ...
