• 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

JIS standard and commonly used hole dimensions

2025/1/30    Screw/Bolt, Drawing/Writing

  今日は「皿モミ・皿ザグリのJIS規格及び一般的に使われる穴寸法について」のメモです。先日、皿ネジ用の皿ザグリの寸法で調べごとをしている時に勉強したことをメモしておきます。 皿モミ・皿ザグ ...

How to rotate a conveyor belt forward and reverse｜Forward/Reverse Rotation CV Selection

2025/12/31    Conveyor

  This section describes how to rotate the conveyor belt forward and backward, which is important to be aware of when there are objectives such as "to move workpieces back and forth on the layout of the conveyor line" or "to discharge defective workpieces only by running the conveyor in reverse....

How to find and supplement side rear-entry T-nuts for Maruyasu Machine's conveyors

2020/8/2    Conveyor

  Today's note is on "How to find and supplemental information on rear-entry T-nuts that can be used with Maruyasu conveyors". I've had trouble finding information on rear-entry T-nuts that can be used with Maruyasu Machinery's Mini Series conveyors before, so I'm writing it down here ...

機械設計お勧めアイテム

マウスだこ対策に僕がにお勧めする手首サポーター「mouSmooth」

2020/5/2    レビュー

今日は、マウスだこ対策に僕がお勧めする手首サポーター「mouSmooth」についてのメモです。機械設計に限らず常にパソコンに向き合っている方におすすめする手首サポーターです。   mouSm ...

機械設計がオワコンになる予兆を感じる事をオワコンかもしれないブログに乗せて語る

2024/2/20    ブログについて

今日は　「機械設計がオワコンになる予兆を感じる事をオワコンかもしれないブログに乗せて」　というメモです。   今2024年に切り替わってから機械設計の傾向が把握できたのと、自分の将来をしっか ...

板金部品の角部はC面よりR面の方が良いという話

2024/1/26    Design method

今日は　「板金部品の角部はC面よりR面の方が良いという話」　についての情報です。   板金の角（かど） 先日、ツイッターでこんな呟きを目にしました。 「A」さんの呟き 「板金の面取りはＣより ...

ソリッドワークスで大規模アセンブリを設計するコツ

2020/9/22    Solidworks

  今日は「ソリッドワークスで大規模アセンブリを設計するコツ」についてのメモです。   この記事は、3DCADソリッドワークスを利用して比較的大きい設備（CADでいう大規模アセンブ ...

SMC製ロッドレスシリンダMY1Mのガタを解消する方法

2024/3/5    Air Cylinder/Spicon

今日は「SMC製ロッドレスシリンダMY1Mのガタを解消する方法」についてのメモです。ロッドレスシリンダを購入したがガタに困っている方、これから購入する方の情報になれば幸いです。※タイトル長くてすみませ ...

機械架台の設計・出図タイミング（複数意見記載）

2026/2/16    Machine stand, Design method

  今日は　「機械ベース架台の設計タイミング」　についての実録情報のメモです。   先日、納期がやばいからって計画後すぐに出図を迫られたベース架台は追加工は有ったものの無事だった件 ...

サーボプレス

サーボプレス架台設計｜剛性不足が招く精度不良と解決策の全貌

2025/12/3    サーボプレス, Press

  ここでは　サーボプレス　を扱う上でとても重要な　「架台の設計」　についてのメモです。   「高価なサーボプレスを導入したのに、なぜか精度が安定しない」「メーカー推奨のパラメータ ...

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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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