Forging machinery to apply pressure to metal blanks

September 27, 2021

Forging is a processing method that uses a forging machine to apply pressure to a metal blank to plastically deform it to obtain a forging having a certain mechanical property, a certain shape and size. Forging can be divided into two categories: free forging and die forging. Among them, die forging can be divided into open die forging and Closed Die forging. Open die forging is a forging method in which the flow of deformed metal is not completely restricted by the cavity; closed die forging is also called flashless die forging. Generally, the gap between the upper mold and the lower mold is constant during the forging process, and the blank is formed in the closed mold, and no lateral flash is generated.

Because closed molds can save materials, improve work efficiency, and reduce scrap rate, they are widely used. The closed mold generally consists of two parts, namely, an upper mold and a lower mold. The mold cavity is prefabricated on the bottom surface of the upper mold and the upper end surface of the lower mold, and the closed cavity can be formed when the upper mold and the lower mold are engaged. . However, in actual production, if the upper mold and the lower mold do not reach the ideal state of complete sealing, there will be a gap of large or small. When the metal is subjected to forging, a small amount of material will inevitably come from the upper mold and the lower mold. The gap flows out, so that the weight of the metal parts in the cavity is insufficient, and even the metal parts are difficult to fill the cavity, which affects the size thereof, and the manufacturing precision of the metal parts is lowered.

The new mold includes an upper module and a lower module. The upper module is disposed above the lower module, and the opposite surfaces of the upper module and the lower module are provided with a cavity, and the metal member is formed in the cavity of the upper module and the lower module. The technical modification is to provide a section or a circle of protrusions on the edge of the cavity of the upper module or the lower module, and a groove facing the convex edge at the edge of the cavity of the corresponding other module, and the contact surface is set to a circle In the shape of a curve, when the upper module and the lower module are closed, the convex edge projects into the groove to achieve a completely sealed state.

The new forging forming die is widely used, suitable for metal processing, and can also be applied to non-metal thermal processing. It can be applied to various pressing equipment such as hydraulic press, hydraulic press, friction press, roll forging machine, free forging and hot stamping. The study found that compared with the traditional closed mold forging, it can save 717% metal materials, greatly reducing the cost of the enterprise, and has a greater promotion significance. For more information, pls visit:www.sczyltd.com

Shenzhen SCZY Technology Co., Ltd

Business Type: Manufacturer
Product Range: CNC Machining , CNC Machining Parts , Precision Machining, CNC Milling , CNC Turning Parts , Machining, Forging, Forging Parts, Investment Casting, Die Casting, Casting Parts, Sheet Metal Fabrication, Product Assembly Service...
Tel: +86-769-81582278
Mobile: +86 189 2921 5001 (WhatsApp/WeChat)
Email: sandy@sczyltd.com
Address: No. 1906, Vanke Center, Changqing South Road, Chang` An Town, Dong Guan City, Guangdong Province, PR China 523850

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