Ningbo Yinzhou Pengcheng Precision Casting Factory

[Province: Zhejiang ]   

Closed die forgings

Payment Terms: T/T
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Basic Info.
  • Brand Name: OEM 
  • Specification: carbon steel stainless steel 
  • Function: valve housings,oil industry 
  • Certificate: ISO9001 & TUV 
  • Export Area: USA CANADA EUROPE 
  • Cooperative Company: Many 
  • Place of Origin: Zhejiang  
  • Min.Order: 500 pcs
  • Means of Transport: by sea / by air
Supply Capacity
  • Production Capacity: as per customers
  • Packing:crates
  • Delivery Date: 60- 90 days
Closed Die Forging Processes

Closed die forgings can be made under a hammer, or press or an upset forging machine.
 
Press Forging

In the case of a press, the preliminary forging operations usually include a minimum of three forging sequences in separate dies in the same set-up. These operations commonly include a flatten, block and finish utilising the same heat and progressing left to fight across the bottom tool holder or bolster of the press.
 
Hammer Forging

With hammer forging the various preform shapes and the finisher cavity are set out in the one die block. Usually with hammer work multiple hits are given in each cavity to produce the desired shapes. Unlike a forging press the hammer can be controlled via a foot pedal to give tight or hard blows. The application of a light blow to bend the metal into a given shape is advantageous and helps to improve die life. closed die forgings
 
Complex Forging Operations

In many instances with more complicated forgings, additional preforming operations may be carried out prior to hammer or press forging. These include reducer rolling, swaging or bending although loss of forging heat when carrying out this additional work may be a problem and reheating may be necessary.

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Ms. Yang Jingjing (Sales Manager)
Tel: 86-574-88347277
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Contact Method
Ningbo Yinzhou Pengcheng Precision Casting Factory
Yunlong town, Yin County, Ningbo, Zhejiang, China (Mainland) / 315137
Fax: 86-574-88494320
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