Coining is a common process in metal stamping industry. It involves thinning the material thickness and transforms the piece part to completely new shape and size. Coining can be done by cold and hot process; it requires higher operational force and may need to be performed two to three times in order to form...
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Posts Tagged ‘ press tools ’
Metal stamping | coining
Cutting clearance – cut slug
The quality of the stamped component depend very much on the cutting clearance applied between the punch and die and it alignment. The cutting condition of any component can be seen easily from the appearance of the slug. If we take a closer look at the cut edge, we can easily see a rollover at the bottom...
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Safety considerations for Quick Die Change system
The traditional method of die set up usually takes more than 4 hours, it depend on how big the tooling size is and what is the machine type. One way to reduce the set up time is to look into how fast the tool can be setup properly and safely. A quick die change...
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Die protection system in high-speed metal stampings
Die Protection system is used to protect your progressive die in the case of any unexpected event. These events can be misfeed, strip buckle, double hits, slug up, broken punch etc. A mis-feed pilot is used in most of the tool shops for tool protection since the last four decades. Today, many conventional tool...
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Metal shaving in progressive die
In a progressive die, shaving is a secondary process to shear a previously cut edge to produce a smooth and straight edge with minimum breakaway. This metal stamping process usually applies on highly precision dies with precision clearances; the finished quality is comparable to or better than fine blanking. In the shaving operation, the amount of material being...
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