Customers like to ask the production time for stamping dies. The most direct factor that effect on the production time is how difficult in processing. The more parting surface, the more difficult in making up. If there is lack of experience and with simple process, the scrap rate will be very high.
In general, the stamping dies are composed of two parts. They are movable mold and the fixed mold. The design of parting surface has a direct effect on product quality and die structure.
The parting surface is the part that could contact on the closing state. In order to take out conveniently while casting, we is habit of making the casting into several parts. Its combined is called parting surface. You should ensure the casting quality when choosing as soon as possible. When you determine the parting surface, you must obey some rules. At first, the die structure had better simple and it is favor of demoulding successfully to the stamping one. Certainly you can not do anything which may effect the appearance quality of the product. The size precision of the product must be good.
Article From: http://www.ls-carbide.com/blog/?p=84
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