• 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
    • 7-4.鋼材の記載方法

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
    • 7-4.鋼材の記載方法

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。 ...

Development and design of contract manufacturing products Job Description

Development and design of contract manufacturing products Job Description

2025/11/13    The story of machine design

  Today's memo is about "Development and Design of Outsourced Manufacturing Products". Outsourced Manufacturing Outsourced manufacturing means that the company develops and designs the product in-house, and only the manufacturing is outsourced to an external company ...

エンジニア不足の現実？元請、下請、孫請の関連

2023/12/1  

今日は「エンジニア不足の現実？元請、下請、孫請の関連」についてのメモです。ここ数年は特に地方のエンジニア不足が深刻です。そのエンジニア不足によりどんなことが現実に起きているのか、私の知る範囲、私の経験 ...

How to calculate the moment of inertia of linear motion and calculation excel

2025/11/13    Habitual sex moments

Today's note is about "How to Calculate Moment of Inertia for Linear Motion and Calculation Excel". The main purpose is to calculate the moment of inertia required for linear motion of an object such as a motor. Please feel free to use it. ...

Development and design of housing equipment (Eco-Cute)

Development and design of housing equipment (Eco-Cute)

2025/11/13    Design method

Today's memo is about "Development and design of housing equipment (Eco-Cute)". Development and Design of Residential Equipment (Eco-Cute) Job Description for Eco-Cute Development and Design There are various types of residential equipment ...

Steel Deflection Calculation

How to calculate steel deflection and Excel (free software)

2026/2/15    Strength calculation

  Here is a note on "How to Calculate Deflection of Steel and Excel (Free Software)" This article shares a sheet that calculates how much a steel member will deflect when a load is applied to its support method.

What I'm thinking about in order to finish a mechanical design job in the shortest possible time.

2020/9/20    The story of machine design

  今日は「機械設計の仕事を最短納期で終わらせる為に僕が考えていること」についてのメモです。   私の勤めている会社は機械設計事務所。様々な会社さんのお仕事をするなかで、もっともっ ...

List of fitting tolerances_1

About fitting (Tolerance table)

2025/11/13    Tolerance design, Drawing/Writing

  This section is a memo about fits, which are expressed together with dimensions in mechanical drawings. Basic information about fits and the fit tolerances that apply to commonly used parallel pins and bearings are summarized. Fits ...

The discomfort felt in the middle of the design process is real.

2023/12/3    The story of machine design

  Today I said, "Please! Tell me if you feel uncomfortable!" I would like to write about something that made me want to shout out, "Please tell me if you feel something is wrong! It is about the deterioration of efficiency caused by the difference in the way of thinking between the person who is assigned the work and the person who is being assigned the work. ...

What are screw strength classifications? Strength Classification Concept and List

2025/11/16    Input design

  Today's note is on "What are screw strength classifications? Strength Classification and List of Strength Classifications". This article summarizes what screw strength is and how it is classified. The most ...

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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".

 Learn more about the Operator (S-TEC)
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