• 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
    • 7-4.鋼材の記載方法

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
    • 7-4.鋼材の記載方法
The coefficient of transverse elasticity in spring spring constant calculations

Lateral modulus of elasticity of SWPA and SWPB in spring spring constant calculations

2025/9/25    Spring

  Today's note is about "Lateral Modulus of Elasticity of SWPA and SWPB in spring spring constant calculation". In the calculation of compression springs, the key "modulus of transverse elasticity" is used to calculate the spring constants ...

Summary of general information to remember on photoelectric sensors

Summary of general information to remember on photoelectric sensors

2020/5/14    Sensor

Today's note is a summary of general information to remember about photoelectric sensors. Sensing is indispensable when designing machinery, but sensors have their strengths and weaknesses, and the more you know about them, the more freedom you have in your choices and how to use them.

Caps (lids) that can be used for hexagon socket head cap bolts Summary 1

Caps and lids for hexagon socket head cap bolts

2024/6/17    Screw/Bolt

  Today’s topic is "A compilation of caps for hex socket head cap screws." When designing machinery, there are environments where dust can fall onto the bolt sections. In such cases, caps for hex socket head cap screws can be used...

Safety factor guidelines for use in mechanical design

List of safety factor guidelines for use in mechanical design

2025/11/13    Safety design

  Today's note is on the "List of Safety Factors to be used in Machine Design". In designing a machine, it is important to analyze the strength of the machine and determine how much safety factor to use for the expected load.

What is cutting resistance? Basic Information to Reduce Cutting Resistance

What is cutting resistance? Basic Information to Reduce Cutting Resistance

2020/12/11    Machining/ Foundation

  今日は「切削抵抗とは何か。切削抵抗を減らすため基礎情報」のメモです。   私は色々な機械の設計をしている中で、最近では切削機能を持った機械の設計を行う事もあります。加工機に与え ...

金属

NAK55（プリハードン鋼）の特徴まとめ

2024/6/17    Material Dimensions/Material Properties

今日は「NAK55（プリハードン鋼）の特徴まとめ」についてのメモです。NAK55というプリハードン鋼の材料について調べたので、その内容をメモしておきます。 NAK55（プリハードン鋼） NAK55とは ...

H7の止まり穴と貫通穴で加工方法が違う

H7の止まり穴と貫通穴で加工方法が違う

2025/11/13    Machining/ Foundation

今日は「H7の止まり穴と貫通穴で加工方法が違う」ことについてのメモです。   多くの設計者が知らないかもしれないH7穴の加工方法。実は、同じH7の穴でも　止まり穴と貫通穴（通し穴）で加工方法 ...

ずっとリモートワークしているから解る。機械設計業務を遠隔地で成功させる為に僕が思うこと

ずっとリモートワークしているから解る。機械設計業務を遠隔地で成功させる為に僕が思うこと

2025/11/13    リモートワーク

  今日は「ずっとリモートワークしているから解る。機械設計業務を遠隔地で成功させる為に僕が思うこと」についてのメモです。   先日、こんな呟きをしました。 https://twit ...

The operating range of the non-contact switch of the air cylinder is a few millimeters, with a stress difference of 1 to 1.5 mm or less_1

The operating range of the non-contact switch of the air cylinder is a few millimeters, with a stress difference of 1 to 1.5 mm or less

2025/2/15    Air Cylinder/Spicon

  今日は「エアシリンダの無接点スイッチの動作範囲は数ミリで、応差は1～1.5ミリ以下」というメモです。   先日、一つのエアチャックを利用して複数のワークを把持するを設計しました ...

Notation and characteristics of gas soft nitriding

2025/10/19    Surface treatment

  Here is a note on "Notation and characteristics of gas soft nitriding" included in nitriding treatment. About gas nitrocarburizing About gas nitrocarburizing JIS: JIS B 6915 Characteristics of gas nitrocarburizing ...

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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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