How Chemistry Determines Machinability- Manganese Sulfides
Manganese sulfides are the reason that we can get improved surface finishes and higher surface footages with reduced flank wear from 11XX and 12XX series steels.
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Why Lead Is NOT An Alloying Element In Steel
Lead has no apparent effect on the yield strength, tensile strength, reduction of area, elongation, impact strength, or fatigue strength of steel. ”
For this reason, the addition to lead to steel is not considered an alloying addition. The addition of lead is a great way to improve the economics of machining and improving the surface finish of complex parts from steel. -
Built Up Edge-What It Is And What To Do
Built up Edge can add tool life when it is stable or give the machinist fits when it is unstable and out of control. Several tips for understanding BUE are given in this post.
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3 Actions To Minimize Cracks In Our Shops
Adequate stock removal in machining, Eddy current testing, and adjusting order to reflect cold work application are important steps to maximize good part yield and minimize cracking due to post machining cold work.