• 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

Air Combination Terminology Memo

2024/5/15    Air circuit

今日は「エアコンビネーションの用語」のメモです。   エアコンビネーションの選定や、既存品の確認で目にする機能用語ですが、いちいち調べるのが面倒なのでここで目についたものをメモします。 エア ...

Tapered threads and connection screws for piping (PT/PF/NPT/R/Rc/G)

2025/10/13    Piping screw

今日は「配管用ねじ・接続ねじ（PT／PF／NPT／R／Rc／G）」についてのメモです。   機械設計では配管の接続やチューブ継手の接続部の選定で少し混乱しやすいので、ここでは配管用ねじ（接続 ...

Basic knowledge to ensure machine safety

2025/12/16    Safety design

  Today's note is on "Fundamentals of Ensuring Machine Safety". We need to design our machines with an effort to ensure the safety of the machine itself and the elimination of any hazards that the surrounding environment may present.　This safety ...

How to read, insert, and think about welding symbols

2025/10/13    Welding

  ここでは、溶接部品を扱う場合に必要な「溶接記号の読み方・入れ方・考え方」についてのメモです。   機械設計において溶接を扱うことがありますが、溶接記号は初めて扱う方にとっては難 ...

電磁弁の耐久性・寿命（公称寿命）について

2025/8/3    Air Cylinder/Spicon

  ここでは　「電磁弁の耐久性・寿命（公称寿命）について」　のメモをしています。   先日、電磁弁の耐久性・寿命について色々調ごとがあったのですが、その時に調べた　電磁弁の耐久性・ ...

Difference between aluminum quality symbols "T6" and "T651

2025/11/29    Aluminum

  Here is a note on the aluminum treatment "T6 vs. T651." When I am selecting an aluminum alloy, I search for the keywords "aluminum T6 T651" and the strength of the material ...

モーターの各種計算・選定・使い方・考え方まとめ

2026/2/4    Motor

  ここでは、　モーターの種類　が決まった後に考える　「モーターの各種計算・選定・使い方・考え方」　についてのまとめをメモしたいと思います。   機械において　重要な原動力であるモ ...

How to batch convert SolidWorks drawing files to DXF or DWG

2024/2/16    Solidworks

Today I will note "How to batch convert SolidWorks drawing files to DXF or DWG". How to batch convert drawing files (.SLDDRW) to DXF or DWG Mass ...

パイプの曲げRの目安（手曲げサイズ）

2024/4/20    曲げ加工

今日は「パイプの曲げRの目安」についてのメモです。   パイプの曲げ加工は主にベンダーを用いた曲げ加工をするのですが、設計においてその曲げRはベンダーの曲げRに依存するため自由なRで選択でき ...

JISに基づいた各種鋼材の図面表記・表現方法

2025/8/15    Drawing/Writing

  ここでは　機械製図　に必要な「JISに基づいた各種鋼材の図面表記・表現方法」　についてのメモです。   この記事は　図面作成時の鋼材指示を適切に行うために　JISB0001：機 ...

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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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