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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.

Mechanical and Physical Properties of Aluminum

2025/10/13    

  Here are some notes on "Mechanical and Physical Properties of Aluminum". Mechanical and Physical Properties of Aluminum Commonly Used Property Values The basic idea when dealing with aluminum is that the physical properties of aluminum ...

How to order a mebbe type issued by the designer to another person.

2025/2/3    

  Today's note is about "how to order a mebby model issued by a designer to another person". As I recall, the number of mebby users provided by Misumi increased around 2023, and from 2024 ...

JIS G 3192: Dimensions of equal-sided angle steel (commonly known as angle)

This page shows the table of "JIS G 3192: Dimensions of isosceles angles". JIS G 3192: Dimensions of isosceles angle steel &nbsp...

List of Aluminum by temper and quality

2025/10/13    

  Today's note is on the "List of Aluminum by Tones and Qualities". Aluminum alloys can be cold worked, solution annealed, age hardened, and annealed to adjust strength, formability, and other properties ...

Difference between knock pin and parallel pin1

Tolerance for knock pins (dowel pins)

2025/1/4    

  Today's note is about "knock pin (dowel pin) tolerances". Generally, dowel pins are called knock pins. Dowel pins are specified in JISB1355 and JISB5062.

Difference between knock pin and parallel pin 2

Tolerances for parallel pins (Class A, Class B, Class C, Class 1, Class 2)

2025/1/4    

  Today's note is on "Tolerances for Parallel Pins (Class A, Class B, Class C, Class 1, and Class 2)". Parallel pins have both positive and negative tolerances, and there is no hardness specification (no hardening) ...

Ball screw

Motorized drive selection factors and actual

2025/10/19    ,

  Today's note is about "motorized drive selection factors and practice". The type of drive selected for a machine takes into account the customer's requirements, but the premise is that it must be able to satisfy the quality requirements of the ...

SUS316 flat bar standard dimensions

2025/10/13    

  Here we note "SUS316 flat bar standard dimensions". The table shows sizes that are relatively easy to obtain. SUS316 Flat Bar Flat Bar Size SUS316 has excellent corrosion resistance ...

SUS304 flat bar standard dimensions

2025/10/13    

  Here we note "SUS304 flat bar standard dimensions". The table shows sizes that are relatively easy to obtain. SUS304 Flat Bar SUS304 COLD (Cold-rolled) Flat ...

Length change of aluminum alloys due to thermal expansion

2025/11/12    

  Today's note is on "Length Change by Thermal Expansion of Aluminum Alloys" which has a large coefficient of thermal expansion. When an aluminum alloy is heated, how much it expands due to its linear expansion is ...