• 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

What is laser marking? Summary of advantages and disadvantages of laser marking.

2024/6/11    レーザーマーキング

今日は「レーザーマーキングとは何か。レーザーマーキングのメリット・デメリットまとめ」のメモです。   この記事はレーザーマーキングを調べたい人・使いたい人に向けたレーザーマーキングに特化した ...

Purpose and Difference between Dielectric Strength and Insulation Resistance Tests

2023/12/3    test

今回のメモでは、絶縁耐力試験と絶縁抵抗試験の目的と違いを出来るだけ解りやすく説明　しようと思います。   二つの試験は共に、電気製品や部品の絶縁性能を把握するための試験ですが、絶縁耐力試験と ...

Shock Absorber Selection Formula and Selection Considerations [RB Series

2022/9/20    Shock absorbers

  今日は「ショックアブソーバの選定計算式と選定の注意点【RBシリーズ】」のメモです。   機械設計では衝撃エネルギーの吸収をしてくれるショックアブソーバーをよく利用いたします。　 ...

Notes on what a mechanical designer has figured out and felt after assembling a machine

2023/12/3    The story of machine design

  今日は「機械設計者が機械を組立てて解ったこと・感じたこと」についてのメモです。   現在はフリーランスとして機械設計の仕事をしている私ですが、現場に脚を運ぶ事も多く、自分の設計 ...

Links for those who want to buy or search for JIS standard books now.

2023/11/30    General Standards/Recognition

今日のメモは　「今すぐJIS規格の書籍を購入・検索したい人の為のリンク」　です。 ＪＩＳ規格の書籍 JIS規格番号解らないけどJIS規格が存在するのかなど探したい人     そもそ ...

eDrawings（イードローイング）が重たいときの対処1

eDrawings（eドローイング）が重たいときの対処

2020/9/22    2DCAD／3DCAD

  今日は「eDrawings（eドローイング）が重たいときの対処」についてのメモです。   先日組立作業を行った際に「eDrawings」というソフトを図面の変わりに使用しました ...

機械設計における見積もり時間の考え方

機械設計費用の見積もりと工数の考え方

2024/3/25    The story of machine design

今日は「機械設計費用の見積りと工数の考え方」についてのメモです。   私は、設計全体の見積もりだったり、部分設計の見積もりだったり、図面トレースの見積りなどを業務で行なっています。 &nbs ...

How to Draw Parts Drawings] Tips to avoid forgetting to include dimensions.

How to Draw Parts Drawings] Tips to avoid forgetting to include dimensions.

2025/10/13    How to insert dimensions / Types of dimensions

Today's memo is about "[How to Draw Parts Drawings] Tips on How to Avoid Forgetting to Include Dimensions". In mechanical design, there are two things that a parts drawing should ...

ベアリング外径とハウジングの圧入・引抜力を求める計算書

2025/12/22    Bearing, 圧入力／引抜き力

  今日は「ベアリング外径とハウジングの圧入・引抜力を求める計算書」についてのメモです。 圧入力計算 ハウジングにベアリング外径を圧入が一番楽 ハウジングにベアリングを圧入するのが一番楽で簡 ...

【圧入力・引抜力の計算書】中実軸とベアリング内径の場合

2025/12/22    Bearing, 圧入力／引抜き力

  今日は、中実軸とベアリング内径における「ベアリングの圧入力と引き抜き力の基本計算」についてのメモです。   前回は「中空軸とベアリング内径」の圧入計算を記事にしましたが、今回は ...

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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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