• 1.Design technology
    • 1-1.The story of machine design
    • 1-2.About Automation
    • 1-3.Factory System
      • Clean Room
      • Nut Runner
      • Stack transport
      • Galvano Scanner
      • About contamination
      • Forklift related
      • Crane related
      • About Factory power supply
    • Mechanical Design｜Basics
    • Trestle design
    • Jig design
    • Positioning foundation
    • Tolerance design
    • Input design
    • Welding knowledge
    • Analytical Strength｜CAE
    • Safety design
    • Explosion-proof design
    • Thermal measures
    • Air circuit
    • Production Technology/Manufacturing technology
    • Processing｜Foundation
    • CAD｜General
  • 2.Design calculations
    • Surface roughness ・ Surface roughness table
    • Cycle calculation
    • Habitual sex moments
    • Strength calculation
    • Basic calculation (Other)
  • 3.Mechanical elements
    • Motor
    • Air cylinder
    • Security
    • Electric Cylinder / Single Axis Robot
    • Index table
    • Linear Guide Shaft
    • Ball screw
    • Robot
    • Conveyor
    • Bearings ・ Bearings
    • Oiles Bush
    • Cable bear
    • Spring design
    • Shock absorbers
    • Chain
    • Sensor
    • Light curtain
    • Toggle clamp
    • Other Mechanical elements
  • 4. Table of various dimensions
    • Hex Socket Head cap Bolt
      • Screw-Zagli dimensions
      • Screw head dimensions
      • Trash-avoiding caps
    • Screw and tap materials
      • Screw Pitch Lead
      • Tap hole under dimension
      • In Helisat downhole
    • Dish fir dimensions
    • Spring/ Flat washer
      • Flat washer dimensions (New JIS, Old JIS)
      • Applications of flat washers
      • Application of Spring washer
    • Nuts
      • Hex Nut Dimensions
      • Types of nuts
    • Key-Keyway
      • Keyway dimension table
    • Parallel Pin-Knock pin
    • Piping screw
    • Tool dimensions
  • 5. Material Characteristics/Dimensions
    • Physical characteristics
    • Aluminum
    • Stainless steel
    • Resin
    • Rubber/Sponge
    • Flat bar
      • About Flat Bar
      • About Black Skin
      • SS400-FB
      • SUS304-FB
      • SUS303-FB
      • SUS316-FB
    • Round and square bars
      • Polished steel bar
      • Centerless round bar
    • Square pipe
      • SS400（STKR）
    • Equilateral angle iron (Angle)
      • SS400
    • Steel plate and wire mesh
      • Expanded metal
      • How to call Jishaku
    • Plumbing
    • Types of steel
  • 6.Heat treatment/surface treatment
    • 6-1. Surface treatment
    • 6-2.Heat treatment
    • 6-3.Painting
  • 7.Drafting knowledge
    • 7-1.What is mechanical Drawing?
    • 7-2. How to write a drawing
    • 7-3.How to do a drawing inspection

Know-how learned in machine design - Information dissemination site

Machine Designer's Note

  • 1.Design technology
    • 1-1.The story of machine design
    • 1-2.About Automation
    • 1-3.Factory System
      • Clean Room
      • Nut Runner
      • Stack transport
      • Galvano Scanner
      • About contamination
      • Forklift related
      • Crane related
      • About Factory power supply
    • Mechanical Design｜Basics
    • Trestle design
    • Jig design
    • Positioning foundation
    • Tolerance design
    • Input design
    • Welding knowledge
    • Analytical Strength｜CAE
    • Safety design
    • Explosion-proof design
    • Thermal measures
    • Air circuit
    • Production Technology/Manufacturing technology
    • Processing｜Foundation
    • CAD｜General
  • 2.Design calculations
    • Surface roughness ・ Surface roughness table
    • Cycle calculation
    • Habitual sex moments
    • Strength calculation
    • Basic calculation (Other)
  • 3.Mechanical elements
    • Motor
    • Air cylinder
    • Security
    • Electric Cylinder / Single Axis Robot
    • Index table
    • Linear Guide Shaft
    • Ball screw
    • Robot
    • Conveyor
    • Bearings ・ Bearings
    • Oiles Bush
    • Cable bear
    • Spring design
    • Shock absorbers
    • Chain
    • Sensor
    • Light curtain
    • Toggle clamp
    • Other Mechanical elements
  • 4. Table of various dimensions
    • Hex Socket Head cap Bolt
      • Screw-Zagli dimensions
      • Screw head dimensions
      • Trash-avoiding caps
    • Screw and tap materials
      • Screw Pitch Lead
      • Tap hole under dimension
      • In Helisat downhole
    • Dish fir dimensions
    • Spring/ Flat washer
      • Flat washer dimensions (New JIS, Old JIS)
      • Applications of flat washers
      • Application of Spring washer
    • Nuts
      • Hex Nut Dimensions
      • Types of nuts
    • Key-Keyway
      • Keyway dimension table
    • Parallel Pin-Knock pin
    • Piping screw
    • Tool dimensions
  • 5. Material Characteristics/Dimensions
    • Physical characteristics
    • Aluminum
    • Stainless steel
    • Resin
    • Rubber/Sponge
    • Flat bar
      • About Flat Bar
      • About Black Skin
      • SS400-FB
      • SUS304-FB
      • SUS303-FB
      • SUS316-FB
    • Round and square bars
      • Polished steel bar
      • Centerless round bar
    • Square pipe
      • SS400（STKR）
    • Equilateral angle iron (Angle)
      • SS400
    • Steel plate and wire mesh
      • Expanded metal
      • How to call Jishaku
    • Plumbing
    • Types of steel
  • 6.Heat treatment/surface treatment
    • 6-1. Surface treatment
    • 6-2.Heat treatment
    • 6-3.Painting
  • 7.Drafting knowledge
    • 7-1.What is mechanical Drawing?
    • 7-2. How to write a drawing
    • 7-3.How to do a drawing inspection
Image of an automated assembly line operating in a clean room

How to Select a Cleanroom Electric Actuator and Compare Manufacturers

2025/11/13    Clean Room, Electric Actuator

  Here is a detailed note on "Electric Actuators for Cleanroom Use," an important mechanical element of automatic machines used in cleanrooms. Automatic Machines Operated in Cleanrooms ...

Image of an automated assembly line operating in a clean room

Basics of automatic machine design for clean rooms

2025/11/27    Clean Room, Design method

  Here are some notes on the "basic elements of designing automatic machines for clean rooms. When you take charge of designing automatic machines for clean rooms for the first time, you may wonder where to start and which ...

焼きならしを行っている実写イメージの画像

焼きならしとは？目的、効果、図面指示までを徹底解説

2025/11/26    Heat treatment

  ここでは　熱処理の一つである　「焼きならし」　についてのメモをしています。   熱処理の図面指示で頭を悩ませてしまう「焼きならし」。　熱処理の選択を誤れば、部品の性能が発揮され ...

焼鈍や焼きなましを行っている実写イメージの画像

焼鈍・焼きなまし・アニーリングの教科書｜種類と目的、図面指示まで解説

2026/2/16    Heat treatment

  ここでは　焼き入れと間違われがちな金属熱処理である「焼鈍、焼きなまし、アニーリング」についてのメモをしています。   以前、私は「焼鈍」や「焼きなまし」「アニーリング」という言 ...

ズブ焼き入れをしている実写イメージ画像

Comparison of hardening hardness by material. List of steels and design considerations

2026/1/31    Heat treatment

  ここでは　焼き入れ　で得られる　「材料別の硬度」　についてのメモをしています。   私は、「この部品に必要な硬度を出すには、どの材料を選べばいいのか？」と、材料別の硬度データを ...

シャフトを高周波焼き入れしているイメージ画像（AI作成）

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 ...

「ヤング率（縦弾性係数）を説明するため」の画像

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

2026/1/31    Analytical Strength/CAE

  ここでは　強度解析　を行う際に必要となる　「縦弾性係数（ヤング率）」についてのメモをしています。 ヤング率の取得において、正確な数値選定に悩んだ経験はありませんでしょうか。　　手元の資料 ...

ポアソン比をイメージできる画像

【材料別】ポアソン比一覧と強度解析での使い方

2025/11/12    Analytical Strength/CAE

  ここでは　強度解析　などで利用される　「材料別のポアソン比一覧と強度解析での使い方」　についてのメモです。   この　ポアソン比　という値は　部品同士の圧入　や　ばね定数　など ...

Actual image of "Analysis work using CAE software

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....

天上クレーンイメージ図

クレーンの強度基準を解説！法令遵守のための情報収集ガイド

2025/11/13    クレーン

  ここでは　「クレーンの強度基準」　についてのメモです。   機械設計の仕事で、天井クレーンに関わることがあり、　強度解析の結果　をどう判断するべきかを調べているうちに出会ったの ...

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Engineer 48

  Active mechanical designer in Japan. I have been a mechanical designer for [21 years]. Currently. S-TEC It is a sole proprietor who works on various designs based on FA (Factory Automation) automatic machines under the shop name of "Factory Automation".

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  • 1] About Mechanical Design (71)
    • 　　[1-2] Design Methods/Design Techniques (25)
  • 【2】Machine calculation/ Strength calculation / Others (16)
  • [3] Tolerance design (4)
  • 4] Usage of Machine Elements/Calculations (145)
  • 【5】2DCAD／3DCAD／CAE (31)
  • 【6】 Material/ Material/ Processing/ Characteristics (63)
  • [7] Assembly drawing/ parts drawing/ writing (29)
  • [8] Production/Manufacturing/ Automation/ Mechanization (27)
  • [9] Processing related (12)
  • [A] JIS/Standard/Reference standard (13)
  • [B] Other Miscellaneous Notes (15)

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