• 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

弧長を求める計算式（ラジアンから角度を求る。角度からラジアンを求める方法）

2025/11/13    Basic calculations

今日は「ラジアンから角度を求る。角度からラジアンを求める方法」についてのメモです。 弧度法のラジアン   ラジアンの定義 円周上でその円の半径と同じ長さの弧を切り取る2本の半径が成す角の値と ...

Information on anodizing film thickness and density

2025/10/19    Aluminum, Surface treatment

Today's note is on "Anodizing Thickness/Density Information". It is very difficult to find information on anodizing thickness and density, but there are some processors who can provide us ...

Basic knowledge of selecting roller conveyors for transporting heavy loads

2025/7/25    Conveyor

  Here are some notes on "Basic Knowledge for Selecting a Roller Conveyor for Conveying Heavy Workpieces. Roller conveyors are used in a variety of locations, but if you want to convey heavy workpieces, choose a roller conveyor ...

Drawing scales recommended by JIS and practical drawing scales

2025/8/15    Drawing/Writing

  ここでは　機械製図　における　「JISで推奨されている図面尺度と実用的な図面尺度」　についてメモします。   尺度とは　対象物の実際の長さ寸法に対する原図に示した対象物の長さ寸 ...

Tolerance Design Basics and Concepts

2025/11/13    Tolerance design

  Here are some notes on the "Basics and Concepts of Tolerance Design". We have heard that tolerance design technology supported Japanese manufacturing. Recently, it has also ...

Sales Methods for Mechanical Design Freelancers

2025/11/13    フリーランス／独立

ここでは　「機械設計フリーランスの営業方法」　について。   私たちフリーランスは仕事に波があります。　ここではその波を少しでも抑えるべく、私含め周りのフリーランスが取り組んでいる　営業方法 ...

ヤマハリニアモータ単軸ロボットの特徴メモ

2024/9/28    Robo Cylinder /Single Axis Robot

  今日は　「ヤマハリニアモータ単軸ロボットの特徴メモ」　についてのメモです。   パルスモーターやサーボモーターの電動シリンダはよく取り扱うんですが、リニアアクチュエータの単軸ロ ...

Why SolidWorks installation was interrupted or rewound and how to resolve it

2023/11/9    Solidworks

  Today's note is about "Why my SolidWorks installation was interrupted or rewound and how to resolve it." I replaced my computer and re-installed CAD, but SolidWorks ...

Arial Unicode Ms" is not installed properly. Solution to "Arial Unicode Ms" error

2023/10/27    Solidworks

  Today's note is about how to solve the output error "Arial Unicode Ms" is not installed correctly when printing PDF in SolidWorks.　Arial Unicode Ms" is not installed correctly when printing PDF in SolidWorks. SolidWorks is a ...

Mechanical and conceptual design methods that create 1 from 0

2025/11/13    Design method

  Today, I would like to write a note on "Conceptual Design Methods for Machines that Create 1 from 0". First of all, let me note the definition of conceptual design in this article: "A (customer) asks B (designer) to create a part called C...

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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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