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Selection of Die Forging Hammer and Hot Die Forging Parting Line (Face) | Alloy Wiki
Home » Steel Guide » Steel World » Selection of Die Forging Hammer and Hot Die Forging Parting Line (Face)
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Selection of Die Forging Hammer and Hot Die Forging Parting Line (Face)

Posted by: steel world 2023-10-18 Comments Off on Selection of Die Forging Hammer and Hot Die Forging Parting Line (Face)
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Steel (carbon steel and alloy steel) die forgings (hereinafter referred to as die steel parts) with a weight of no more than 250kg and a length of no more than 2500mm produced in batches on die forging hammers, hot die forging presses, screw presses, and flat forging machines. When formulating forging drawings, it is necessary to correctly select the parting surface, select machining allowances and tolerances, select die forging slopes and fillet radii, and determine the punching connection, And specify the delivery requirements and the technical requirements and allowable deviations that cannot be indicated on the forging drawing within the technical conditions. There are two types of parting surfaces:
1) Asymmetric curved parting surfaces (see Figure 1c) with planar parting  surfaces direction and symmetrical curved parting surfaces (see Figures 1a, b, and 2). The shape selection of the parting line in Figure 1 should consider the following main conditions for the parting surface: the forging can be freely removed from the die chamber; The optimal condition for metal to fill the mold cavity (upsetting is easier to fill the mold cavity with metal than squeezing);
Strive to reduce excess blocks and flash losses; Simplify the aluminum forging process and die chamber manufacturing process (such as using circular parting surfaces as much as possible for circular short shaft forgings).

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