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Why choose closed die forging?

Closed die forging requires two or more dies for production,which are also referred to as tooling.These dies first must be manufactured with CNC machine to reach high accuracy. The billet will be heated up to proper temperature for well deformation and is then pressed or hammered between these dies.

The restriction of the metal flow inside the dies allows the production of parts that are more complex in shape than a part being produced by the open die process. Additionally, closed die forging process allows for closer tolerances than those produced in open die(see the difference between open die forging and closed die forging).Relatively simple shapes can also be processed this way,but the decision is usually driven by economics and meeting some of the conditions listed below.

Advantages of Closed Die Forging

1. "Near net shape forging" greatly reduces the waste of raw material that puts into production,and this will help to save material cost.
2. In addition,by producing the "near net shape",the amount of machining required is greatly reduced over that of the open die process offering further savings per part
3. It is able to make closer tolerances parts with complex shapes(as detailed above)
4. Another key advantage of closed die forging is that when you are in production with high volumes,the tooling cost becomes relatively insignificant as it is amortized over all the parts produced.

You may find that the initial deliveries of the closed die forging parts are a little longer than in the open die process.Typically though,a blanket release schedule accompanies this process and delivery dates are set up well in advance giving peace of mind about delivery schedules.

The closed die forging process has characteristics of general advantage of all forging processes.Products will have mechanical properties which show higher strength over other metalworking processes. As a result,when safety and reliability are issues for your parts,closed die forged products should be first considered.

Industries that rely on closed die forged products include,but are not limited to Oilfield,automotive,mining,ect.Other industries are also available while there is any metal parts needed.Most engineered metals and alloys can be forged through the conventional closed die forging process,including ferrous materials,like carbon and alloy steels,tool steels and stainless steel. Also nonferrous materials of aluminum and copper alloys and certain titanium alloys can be forged in an impression die.

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