• 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

LMガイドを選定（計算）する順番とポイントのメモ

2026/1/2    LM Guide/Linear Guide /Linear Shaft

今日は「LMガイドを選定（計算）する順番とポイントのメモ」についてのメモです。   様々な機械によく利用されるLMガイド、このLMガイドは機械要素の中でもボス的存在といいますか、選定のタイミ ...

LM guide load calculation for horizontal conveying (2 rails, 2 blocks)

2026/1/2    LM Guide/Linear Guide /Linear Shaft

今日は「水平搬送する場合のLMガイド負荷計算（2レール2ブロック）」のメモです。一般的な利用方法「2レール2ブロック」における負荷荷重の計算です。この記事では、駆動条件によって下の画像LMナットP1・ ...

Machine design is more about "AI utilization in general" for human designers than total replacement with AI.

2024/6/17    The story of machine design

  今日は「機械設計はAIへの全面的な置き換えよりも人間設計者の「AI活用が一般的」になるという話」というメモです。   これから仕事を決めていく学生さん、今機械設計を始めた方、　 ...

The free version of the draft site is gone and everything will be paid starting in 2019. Summary of its paid prices and surrounding information

2024/6/10    ドラフトサイト

  今日は「ドラフトサイトの無料版が無くなって2019年より全てが有料に。その有料価格と周辺情報のまとめ」です。   ついに恐れていた（あるはず無いと思っていた）ドラフトサイトの有 ...

CKDのアブソデックス。オプション電磁ブレーキを必要とする理由

2025/10/19    Index table related, Design Information

  今日は「CKDブソデックス。オプション電磁ブレーキを必要とする理由」についてのメモです。以前設計した機械において起こした設計ミスと、そのミスに対応するための設計方法の一例をメモに残してお ...

機械設計において「設計ミス」が起きるポイントとその対策

2023/11/30    The story of machine design

  今日は「機械設計において「設計ミス」が起きるポイントとその対策」というメモです。   先日、ツイッターのフォロワーさんから設計ミスに対してのご質問を頂きました。頂いたご質問は　 ...

メカジョイント式ロッドレスシリンダ【MY2】の壁掛け評価選定計算式

2024/3/5    Air Cylinder/Spicon

  今日は「メカジョイント式ロッドレスシリンダ【MY2】の壁掛け評価選定計算式」についてのメモです。   メカジョイント式ロッドレスシリンダMY2の特徴は、高さを抑えられた薄形なの ...

おすすめ人体（人物）のCADデータ取得場所

2021/11/2  

  今日は「おすすめ人体（人物）のCADデータ取得場所」についてのメモです。機械の設計において人体モデルは必須なんですが、どこの設計士さんもオリジナルをお持ちですよね。   僕も一 ...

多品種ワークを扱う機械が持つ要素

2025/11/13    Mechanization/automation

  今日は「多品種ワークを扱う機械が持つべき要素」についてメモを残そうと思います。   最近、多品種に対応する需要が僕の周りには増してきている印象です。そのおかげで僕は多品種対応の ...

Why it says you can use commercial nuts when buying a MISUMI conveyor, but you shouldn't.

2023/11/26    Conveyor

  Today's note is about why you should not use commercial nuts even though it says you can use them when buying a MISUMI conveyor. Sorry for the long title. The article is exactly as the title says, so there is no particular explanation ...

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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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