• 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
The application of spring washers is to prevent loosening and falling2

Spring washers are used to prevent loosening and falling

2024/6/17    Screw/Bolt

  今日は「ばね座金の用途は緩み止めと落下防止」についてのメモです。   メカ設計をしていると「バネ座金には緩み止め効果がない」という人と「緩み止めとして使えるよ」と話が別れます。 ...

Settings that allow you to change the color of a dimension in SolidWorks when that dimension changes.

Settings that allow you to change the color of a dimension in SolidWorks when that dimension changes.

2022/5/5    Solidworks

  Today's note is about a setting in SolidWorks that allows you to change the color of a dimension when that dimension changes. I have been using SolidWorks for many years now, and I ...

How to set up SolidWorks Shaded RealView

How to set up SolidWorks Shaded RealView

2022/5/4    Solidworks

  Today's note is about "How to set up a shadowed real view in SolidWorks". The other day, I was asked, "It's a slippery shadowed model in parts, but it's not shadowed in assemblies, so it's shadowed ...

Basic design and selection guideline for compression springs (with calculation sheet)

2022/6/3    Spring

  今日は、圧縮スプリングを初めて設計する方に向けた「圧縮スプリングの基本設計及び選定の目安」についてのメモです。   ※この記事では　圧縮スプリングの計算エクセル及び各項目の説明 ...

Sharing the joy of completing what cannot be done is the greatest joy in manufacturing.

2022/4/26    The story of machine design

  Today, I would like to talk about "the greatest joy in manufacturing is to share the joy of completing what cannot be done. The other day, we delivered a part of a machine unit that took us about a year to finish. & ...

亜鉛有色三価クロメートの表示は「Ep-Fe/Zn5/CM2（三価クロメート）」と記載する

2026/2/19    Surface treatment

  ここでは　数あるめっき　の一つである　「亜鉛三価有色クロメート（亜鉛メッキ有色3価クロメート）の表示」についてのメモです。   亜鉛有色三価クロメート（亜鉛メッキ有色3価クロメ ...

圧力角20°のインボリュートスプラインJISD2001は廃止されJISB1603へ統合

2022/4/13    General Standards/Recognition

  今日は「圧力角20°のインボリュートスプラインJISD2001は廃止されJISB1603へ統合」されているというメモです。   インボリュートスプラインの圧力角20°を探しても ...

【2022年7月】ソリッドワークスとドラフトサイトの価格が上昇する件

2022/4/9    Solidworks

  今日は「2022年7月にリッドワークスとドラフトサイトの価格が上昇する件」についてのメモです。   ソリッドワークスを購入した大塚商会さんからこんな連絡がありました。 引用 ソ ...

平面に掛かる面圧計算

2025/11/13    Basic calculations

今日は「平面に掛かる面圧計算」についてのメモです。　   面圧とは 面圧とは　負荷を受ける投影面積当たりの外力を面圧　を言います。 引用：機械工学辞典より 負荷を受ける投影面積当たりの外力を ...

初めて特許図面を書くに当たって調べた事・わかった事

2025/8/15    Drawing/Writing

  今日は　機械製図　とはすごし雰囲気の違う「初めて特許図面を書くに当たって調べた事・わかった事」についてのメモです。　   先日、特許図面の作成依頼を請けました。　無事に初回の納 ...

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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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