• 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
Difference between light curtains and area sensors

Difference between light curtain and area sensor/ Concrete Examples of structure and Installation

2025/12/17    Area sensor, Light curtain, Safety design

  Here is a note about "Differences between light curtains and area sensors, concrete examples of structure and installation", which is important for safety design in automatic machines.

Safety Distance Calculation and Installation Standards for Light Curtains|The Complete Guide for Designers

Safety Distance Calculation and Installation Standards for Light Curtains|The Complete Guide for Designers

2026/2/17    Light curtain, Safety design

  Here is a note on "light curtains," a concern during design and installation. In the field of machine design, safety measures for automatic machines are an important issue that cannot be avoided.  In particular, detecting the intrusion of a human body ...

How to use IAI elec cylinders in 3 positions (intermediate stop)

How to use IAI elec cylinders in 3 positions (intermediate stop)

2026/1/26    electric cylinder, Robo Cylinder /Single Axis Robot

  Here is a memo on "How to use IAI Elecylinders with 3-position (intermediate stop)". The following are the rules for selecting the correct model and the necessary ...

Servo press is press-fitting a workpiece

Selection of Servo Presses|Thorough Explanation from Mechanism to Calculation and Manufacturer

2026/1/27    Press

  Here is a note on "servo presses," which are used in the process of accurately incorporating products into automatic machines with a certain amount of force. There are many product catalogs and glossaries on the web, but these ...

Bar type ionizer ionizing workpieces being conveyed in an automatic machine.

How to use an ionizer and design an automatic machine! Thorough explanation of the types and selection of installation locations.

2025/11/27    ionizer, Clean Room

  The following is a memo on the basics of "ionizers" that are sometimes incorporated into automatic machines to prevent static electricity in clean rooms. When you start looking into ionizers, you will find countless types and technical terms...

Chain images in machine design

Chain Usage in Machine Design [Selection, Calculation, and Placement to Extend Life].

2026/1/31    Chain

  Here we note the "basics that designers should keep in mind about chains," a mechanical element that has been used in automatic machines for a long time. Chain usage" is an extremely important factor that determines the reliability of equipment ...

A conceptual diagram of the DRBFM and icons surrounding it showing related processes and elements.

What is DRBFM? Explaining Methods to Improve Design Quality

2025/11/14    The story of machine design

  Here are some notes on DRBFM, a method of preventing design problems before they occur. I have had a difficult time grasping the essence of DRBFM, even though I am familiar with the term.  ...

PEEK resin gears, bearings, plates, and other industrial parts of various colors and shapes are scattered on a laboratory table. In the background, test equipment generating steam and sparks, test tubes, flasks, and cards displaying the logos "NASA" and "ASTM E595" appear blurred.

What is PEEK material of resin? Comprehensive explanation of characteristics, grades, and applications

2025/11/16    Material Properties, Resin

  Here is a note on PEEK, a resin material used in automatic machines in clean rooms. Even if you think you understand the characteristics of PEEK, which grade should you choose?.

The Complete Guide to Cleanroom Static Control [For Mechanical Designers].

2025/11/27    ionizer, Clean Room

  This section notes "clean room static electricity countermeasures" that designers should be aware of when designing automatic machines that operate in clean rooms. In the design of automatic machines in a clean room, static electricity is ...

Image of an automated assembly line operating in a clean room

Design guide for using air cylinders in clean rooms|From countermeasures to exhaust

2025/11/13    Air Cylinder/Spicon, Clean Room

  This is a note on "air cylinders" used in automatic machines that operate in clean rooms. Air cylinders are the most common mechanical element for us machine designers, but they can also be used in clean rooms.

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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".

 Learn more about the Operator (S-TEC)
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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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