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ENGINEER.48

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Active mechanical designer / Mechanical design experience [20 years] I provide design know-how cultivated through practical experience and real information that is not found in textbooks and is useful in the field.

The Role of Drawings and Draftsmen's Awareness

The Role of Drawings and Draftsmen's Awareness

2025/8/15    

  Today's note is on "The Role of Drawings and the Draftsman's Awareness". The other day, I gave a stern reminder to the young and new people with whom I work about the role of drawings and the awareness that drafters should have. To be precise, I scolded ...

Cautions when using air cylinders in lifting operations

  Today I would like to share something about "Points to keep in mind when using air cylinders in a lifting motion" based on a recent case study that occurred. Lifting Lifting motion with air cylinders Using air cylinders for lifting motion ...

Concept of separate and built-in controller for RoboCylinder

  Today's brief note is about "The concept of a separate controller and a built-in controller for robocylinders". Borrowed from IAI. RoboCylinder RoboCylinder Controller I ...

What are UL Standards, a brief summary of UL Standards

Today's note is a brief summary of what UL Standards are. The image is borrowed from UL's website UL Standard UL Standard is a standard of UL, a certification organization in the United States.

List of Standard Dimensions for Flat Bar (Flat Steel/FB)

List of Standard Dimensions for SS400 Flat Bar (Flat Steel/FB)

2025/10/13    

Today's note is about "List of SS400 Flat Bar (Flat Steel and FB) Standard Dimensions". If you want to know the purchase dimensions of SS400 flat bar If you want to know the dimensional tolerances and other standards of SS400 flat bar Fla ...

Hourly rates for mechanical design

  Today I'm going to leave a note about the "market price per hour for mechanical design". This article is about my approach to the unit price of mechanical design (from basic to application), the actual unit price, and the price on Twitter and other social networking sites ....

Explanation] Basic selection method and usage of solenoid valves

2025/8/3    

  Here we note the "basic selection and use of solenoid valves". Selection of Solenoid Valves Difficulties in Solenoid Valve Selection First of all, a general interpretation of solenoid valves is that they are clearly ...

For Beginners] Elements of Motor Selection Difference between Incremental and Absolute

2025/8/23    

  Here is a note on the difference between incremental and absolute motors, which can be divided into two types of motors. For beginners in mechanical design, incremental motors are a factor in motor selection ...

The basic method of determining the length of bolts and screws is to use a length that can be screwed in 1.5D to 2D.

2025/11/16    

Today I would like to talk about "how to determine the length of bolts and screws should basically be 1.5D-2D threaded length. I know this is a bit sudden, but this is the conclusion. The length of bolts and screws should basically be 1.5D-2D screw-in ...

Reasons and countermeasures for large dimensional change of MC nylon due to temperature and water absorption

  Today's note is on "Reasons and countermeasures for the large dimensional change of MC nylon due to temperature and water absorption. I will share with you some episodes I have actually experienced and what you need to understand when dealing with MC nylon and ...