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Precision forging process

Precision forging process
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  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2019-07-05 14:13
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(Summary description)There are many precision forging processes that have been applied to production. According to different forming temperatures, it can be divided into hot forging, cold forging, warm forging, composite forging, isothermal forging and so on.

Precision forging process
Top

(Summary description)There are many precision forging processes that have been applied to production. According to different forming temperatures, it can be divided into hot forging, cold forging, warm forging, composite forging, isothermal forging and so on.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2019-07-05 14:13
  • Views:
Information

There are many precision forging processes that have been applied to production. According to different forming temperatures, it can be divided into hot forging, cold forging, warm forging, composite forging, isothermal forging and so on .

Hot forging process

A precision forging process in which the forging temperature is above the recrystallization temperature is called hot forging. The hot precision forging material has low deformation resistance and good plasticity, and is easy to form a relatively complicated workpiece, but the surface quality and dimensional accuracy of the workpiece are low due to strong oxidation. The common process for hot forging is closed die forging.

Cold precision forging process

Cold precision forging is a precision forging process performed at room temperature. The cold precision forging process has the following characteristics: the shape and size of the workpiece are easy to control, avoiding errors caused by high temperature; the workpiece strength and precision are high, and the surface quality is good. The cold forging forming process towel has poor plasticity and deformation resistance, requires molds and equipment, and is difficult to form complicated parts .

Warm precision forging process

Warm forging is a precision forging process performed at a suitable temperature below the recrystallization temperature. Warm forging precision forming technology not only breaks the deformation resistance in cold forging, the shape of the part can not be too complicated, needs to increase the limitations of intermediate heat treatment and surface treatment steps, and overcomes the surface quality and size due to strong oxidation in hot forging. The problem of precision. It has the advantages of cold forging and hot forging, overcoming the shortcomings of both.

Compound precision forging process

With the increasing complexity of precision forging workpieces and the improvement of precision requirements, pure cold, warm and hot forging processes can no longer meet the requirements. The composite precision forging process suspends the cold, overflow and hot forging process to complete the forging of a workpiece, which can take advantage of cold, warm and hot forging, and abandon the shortcomings of cold, warm and hot forging.

Isothermal precision forging process

Isothermal precision forging means that the blank is die-formed at a temperature that tends to be constant. Isothermal die forging is commonly used in the precision forming of difficult-to-deform materials such as titanium alloys, aluminum alloys, and magnesium alloys in the aerospace industry. In recent years, it has also been used for precision forming of non-ferrous metals in the automotive and mechanical industries. Isothermal forging is mainly used for forging metal materials with a relatively low temperature, especially titanium alloys which are very sensitive to deformation temperature.

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