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Surface Treatment of Screws: Difference between Trivalent Chromate and Electroless Nickel Plating
2026/2/19 Surface treatment
This section is a note on the difference between trivalent chromate and electroless nickel plating, two of the many plating methods used for screws (which is an option for screw surface treatment). In practice, trivalent chromate
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Concrete Strength of Plant Floor
2025/11/13 Strength calculation
Today's note is on "Concrete Strength for Factory Floors". Here is a brief note on what standard strength is required for factory floors compared to ordinary concrete. Strength of Ordinary Concrete Strength of Ordinary Concrete Strength of Ordinary Concrete ...
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Air Combination Terminology Memo
2024/5/15 Air circuit
Today, I would like to make a note of "air combination terms". These are functional terms that you may see when selecting an air combination or checking an existing product, but it is tedious to look them up each time, so I will note the ones that caught my eye here. Air ...
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Tapered threads and connection screws for piping (PT/PF/NPT/R/Rc/G)
2025/10/13 Piping screw
Today's note is about "piping threads and connection threads (PT/PF/NPT/R/Rc/G)". In mechanical design, it is easy to get a little confused in the selection of piping connections and tube fitting connections, so here are the piping threads (connection ...
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Basic knowledge to ensure machine safety
2025/12/16 Safety design
Today's note is on "Fundamentals of Ensuring Machine Safety". We need to design our machines with an effort to ensure the safety of the machine itself and the elimination of any hazards that the surrounding environment may present. This safety ...
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How to read, insert, and think about welding symbols
2025/10/13 Welding
Here is a note on how to read, include, and think about welding symbols, which is necessary when dealing with welded parts. Welding is sometimes handled in mechanical design, but welding symbols are difficult for those who are new to ...
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Durability and life span (nominal life) of solenoid valves
2025/8/3 Air Cylinder/Spicon
Here is a note on "Durability and life span (nominal life span) of solenoid valves". The other day, I had a lot of discussions about the durability and life span of solenoid valves, and at that time, I researched ...
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Difference between aluminum quality symbols "T6" and "T651
2025/11/29 Aluminum
Here is a note on the aluminum treatment "T6 vs. T651." When I am selecting an aluminum alloy, I search for the keywords "aluminum T6 T651" and the strength of the material ...
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Summary of various calculations, selection, usage, and concepts of motors
2026/2/4 Motor
In this section, we would like to note a summary of "various calculations, selection, usage, and concepts of motors" to be considered after the type of motor is determined. The motor is an important driving force in a machine ...
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How to batch convert SolidWorks drawing files to DXF or DWG
2024/2/16 Solidworks
Today I will note "How to batch convert SolidWorks drawing files to DXF or DWG". How to batch convert drawing files (.SLDDRW) to DXF or DWG Mass ...