Gb 42crmo Steel Round Bar Forging Process Analysis - China

the forging process of gb 42crmo steel round bar generally includes the following steps:

1 - rough forging: put the heated steel round bar blank into the forging equipment for rough forging.

through multiple upsetting, drawing and other operations, the internal structure of the material is improved, the coarse grains are broken, and the material is more dense and uniform.

during the rough forging process, the forging ratio is generally controlled between 2 and 3 each time to ensure that the material obtains a good forging effect.

2 - fine forging: after the rough forging is completed, fine forging operations are performed according to the size and shape requirements of the final product.

during fine forging, the forging ratio and forging force must be strictly controlled to ensure the dimensional accuracy and surface quality of the forged parts.

the forging ratio is generally between 3 and 5 - through precise die design and forging operations, the dimensional deviation of the forged parts is controlled within a small range.

3 - key points of forging operation: during the entire forging process, the operator should pay close attention to the operating status of the forging equipment and the deformation of the blank to ensure the smooth progress of the forging operation.

at the same time, attention should be paid to controlling the forging rhythm to avoid the temperature of the billet dropping too fast during the forging process, which will affect the forging quality.

when the billet temperature approaches the final forging temperature, the forging should be stopped and the billet should be reheated before forging.

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