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Machine performance standards
Do you check the parallelism of the x and y sides of the square with a micrometer? We do use a ballbar plot in our manufacturing of the machines, but our service technicians can't use them at the customers' shops, so we are training them to use these test cuts to help diagnose problems and...- john41es
- Post #3
- Forum: Machines & Machining engineering
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Machine performance standards
I am looking for information on interpreting the "circle/triangle/square" block used for evaluating the performance of milling machines. For example, loose gibs can cause affect the circularity of the block. I don't know if this is any sort of common standard; it has also been called a Euclid...- john41es
- Thread
- Replies: 3
- Forum: Machines & Machining engineering
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Galvanic Corrosion of Black Oxide bolt and Brass Insert
Hello, I am trying to determine if galvanic corrosion is a factor between a brass insert and a 3/8 x 1.5" zinc plated steel bolt. The plate it will be bolted to is painted so it is not a factor. The anodic index of the brass is 0.4V, and it could be used in machine shops across the U.S.A.. The...- john41es
- Thread
- Replies: 1
- Forum: Welding, Bonding & Fastener engineering
