• 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
What to do when eDrawings is heavy1

What to do when eDrawings is heavy

2020/9/22    2DCAD/3DCAD

  Today's note is about "What to do when eDrawings is too heavy". I used "eDrawings" software instead of drawings when I did assembly work the other day ...

Estimating Time in Mechanical Design

Mechanical design cost estimation and man-hour approach

2024/3/25    The story of machine design

Today's note is on "Estimating Mechanical Design Cost and Man-hour Approach". I do estimates of overall design, partial design, and drawing tracing in my work. I am also a member of the ...

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 ...

Calculation sheet to determine bearing outer diameter and housing press-fit and pull-out forces

2025/12/22    Bearing, Press-in force / Pull-out force

  Today's note is about the "Calculation Sheet for Press-Fitting and Pulling Force of Bearing O.D. and Housing". Press-fit force calculation Press-fitting a bearing outer diameter into a housing is the easiest Press-fitting a bearing into a housing is the easiest and simplest ...

Calculation Sheet for Press-in and Pull-out Forces: Solid Shaft and Bearing I.D.

2025/12/22    Bearing, Press-in force / Pull-out force

  Today's note is about "Basic Calculation of Bearing Press Fit and Pullout Force" on a solid shaft and bearing bore. In the previous article, I wrote about the press-fit calculations for "hollow shaft and bearing bore," and in this article, I ...

[Calculation sheet for press-in and pull-out forces] Hollow shaft and bearing bore

2025/12/22    Bearing, Press-in force / Pull-out force

  Today's note is about [Calculation sheet for Press Fit and Extraction Force] Hollow shaft and bearing bore. There are three types of bearing press fitting: "hollow shaft and bearing bore, solid shaft and bearing bore, and hausi ...

Size consideration by surface pressure at Euless bushings

How to consider the proper size of oilless (oilless) bushings

2020/5/2    Oiles/ No Oil bush

Today's note is on "How to consider the appropriate size of oilless (oilless) bushings". In the previous article, "Calculating the PV value and life when using oilless bushings," the design value of the bearing size that was determined ...

Calculation of PV value and lifetime when using oilless (oilless) bushings

2020/5/2    Oiles/ No Oil bush

Today's note is on "PV value and life calculation when using oilless (oilless) bushings," which are used in the selection of oilless bushings and other products. Oilless bushings are mainly used in places where oilless bushings are required to be oilless and impact resistant, but when selecting ...

How to calculate and check the inertia ratio, and how to think without making mistakes in motor selection

Moment of Inertia Confirmation Sheet

2025/11/13    Habitual sex moments

今日は 「慣性モーメントの確認シート」 についてのメモです。   駆動系の選定に利用した負荷イナーシャを記録しておくことの説明と、その記録方法について記事にしたいと思います。 慣性モーメント ...

Aluminum_Castings_Strength_Comparison_Table

Strength Comparison Table for Aluminum Alloy Castings and Reference for General Casting Materials

2025/10/13    Aluminum

Today's note is about "Strength Comparison Table of Aluminum Alloy Castings and Reference to Common Casting Materials". About Aluminum Alloy Castings In mechanical design, some products are made of aluminum alloy castings ...

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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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