• 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 factory power supply (commercial power supply)

Textbook of Factory Power Supplies｜Explanation of Types, Voltages, and Overseas Standards for Machine Design

2025/8/27    General Standards/Recognition

  ここでは、工場（FA）設備で利用する　モーターなど　への　「工場からの供給電源」　についてのメモです。   私が機械設計者としてキャリアをスタートさせた頃、工場の電源仕様に関す ...

Forklift images (created by AI for article)

List of Forklift Jaw Dimensions (1.5 ton to 4 ton)｜Standards by Load Rating

2025/11/13    フォークリフト

  ここでは　機械設備　の設置や移動でに使われる　「フォークリフトの爪寸法」　をメモしています。   私自身、機械設計者としてキャリアを始めた頃、重量物を搬入するためのフォークリフ ...

Multiple motors in a row

A Complete Guide to Motor Selection and Types [For Mechanical Designers].

2025/10/19    Motor, Design method

  This section provides notes on the types of motors that many people may have trouble selecting when designing a machine. In machine design, motor selection is an important factor that determines the performance of ...

3次元測定器が幾何公差の指示を受けた部品を測定している様子

幾何公差の書き方｜幾何公差の基本から応用まで解説

2025/11/13    Tolerance design

  ここでは　機械製図　や　公差設計　の記事で触れている　「幾何公差」　についてのメモです。   幾何公差を設定した図面で、「図面の意図が製造部門に正しく伝わらない」「サプライヤー ...

金蔵プレートを重量測定している様子

【網羅版】材料の比重一覧｜機械設計の基礎知識

2025/11/16    Physical characteristics

  ここでは　機械構造に使われる材料　の「比重」をメモしています。   機械設計において、部品の重量やコストを正確に把握することは、製品の性能を決定づける上で極めて大切です。　その ...

ステンレスを切削加工している様子

ステンレス切削加工の材料選定｜コストダウンの設計術

2025/10/13    Stainless steel, Machining/ Foundation

  ここでは　機械材料として使われるステンレス材料　の「切削加工に向いているステンレス」についてのメモです。   機械設計において、耐食性や強度に優れたステンレスは非常に魅力的な材 ...

Image of SUS304 sheet material

List of SUS stainless steel types｜Complete guide to selecting stainless steel by features, applications, and comparison

2025/10/13    Stainless steel

  ここでは　機械材料　に利用される　「SUS（ステンレス）系材料」　についての機械設計に役立つメモをしています。   機械設計の現場で、数ある材料の中から最適なステンレス鋼（SU ...

Image of mechanical drafting in CAD

Introduction to Mechanical Drawing

2025/8/21    Drawing/Writing

  Here, I would like to leave a note as an introduction to mechanical drawing, "Thorough Explanation from Basic Rules to Drawing Methods". In mechanical drafting, I have been wondering if I can really convey the ...

Image of two overlapping metal plates

List of Coefficients of Friction by Material｜Basics and Knowledge for Machine Design

2025/11/16    Physical characteristics

  ここでは　「機械設計に役立つ摩擦係数の考え」　をメモしています。   機械設計に携わる中で、「この材料の摩擦係数はいくつだろう？」と疑問に思う事が多々あるかと思います。　　特に ...

細かい傷がついているアルミプレート

クランプの傷防止、完全ガイド！設計者が知るべき全知識

2025/10/19    Clamp, Design method

  ここでは　「クランプの傷防止」　の完全ガイドとして設計者が知るべき全知識をメモしています。   機械設計に携わる中で、　ワークのクランプ　は、切削加工から精密な組立まで、あらゆ ...

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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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  • 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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