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  • Ningbo Huishuo Machinery Co.,Ltd

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Ningbo Huishuo Machinery Co.,Ltd

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Precision Forging Process Editing

Precision Forging Process Editing
There are many precision forging processes that have been applied to production. According to the different forming temperature can be divided into hot precision forging, cold precision forging, warm precision forging, composite precision forging, isothermal precision forging and so on.
Hot forging process
The precise forging process with the forging temperature above the recrystallization temperature is called hot forging. The hot precision forging material has low deformation resistance and good plasticity, and it is easy to form a relatively complicated workpiece. However, because of strong oxidation, the workpiece surface quality and dimensional accuracy are low. Hot forging commonly used process is closed die forging.
Cold forging process
Cold 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 can be easily controlled to avoid the error caused by high temperature; the strength and accuracy of the workpiece are high, and the surface quality is good. Cold forging forming process towel, the workpiece is poor in plasticity, deformation resistance, mold and equipment requirements, and it is difficult to form complex parts.
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 overcomes the limitation of large deformation resistance in cold forging forming, the shape of parts can not be too complex, the need of intermediate heat treatment and surface treatment step, but also overcomes the decrease of surface quality and size due to strong oxidation in hot forging. The problem of accuracy. It also has the advantages of cold forging and hot forging, overcoming the disadvantages of both.
Composite forging process
With the increasing complexity of precision-forged workpieces and increased precision requirements, simple cold, warm, hot forging processes can no longer meet the requirements. The composite precision forging process sews cold, overflow, and hot forging processes to complete the forging of a workpiece, and can exert the advantages of cold, warm, and hot forging, eliminating the disadvantages of cold, warm, and hot forging.
Isothermal precision forging process
Isothermal precision forging means that the billet is forged at a constant temperature. Isothermal die forging is commonly used in the aerospace industry for precision forming of difficult-to-deform materials such as titanium alloys, aluminum alloys, and magnesium alloys. In recent years, it has also been used in the precision forming of non-ferrous metals in the automotive and machinery industries. Isothermal forging is mainly used for metal materials with a narrow forging temperature, especially titanium alloys that are very sensitive to deformation temperature.
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