Machining of mechanical parts is the process of changing the external dimensions or properties of a workpiece by various machines. Mechanical parts processing industry is a very important industry, so do you know what principles of mechanical parts processing in the processing? Let me tell you the following!
Mechanical parts processing specific processing principles.
(1), in order to ensure the accuracy of mechanical parts processing, coarse and fine mechanical parts processing is best to be carried out separately. Because rough mechanical parts processing, cutting volume, the workpiece by the cutting force, clamping force, more heat, as well as mechanical parts processing surface has a more significant machining hardening phenomenon, the workpiece exists inside a large internal stress, if rough, rough mechanical parts processing continuously, the precision of the parts after finishing will be quickly lost because of the redistribution of stress. For some mechanical parts processing accuracy requirements of high parts. After rough machining and before finishing, should also arrange low-temperature annealing or aging treatment process to eliminate internal stress.
(2), the reasonable choice of equipment, rough mechanical parts processing is mainly cut off most of the machining allowance, and does not require a high precision mechanical parts processing, so rough machining should be in the power, accuracy is not too high machine tools, finishing processes require a higher precision machine tools processing. Rough and finish machining on different machine tools, can give full play to the equipment capacity, but also to extend the service life of precision machine tools.
(3), in the mechanical parts processing process route, often arranged with heat treatment process. Heat treatment process location arrangements are as follows: to improve the cutting performance of metals, such as annealing, normalizing, tempering, etc., generally arranged in mechanical parts before processing. Shenzhen machining for the elimination of internal stress, such as aging treatment, tempering treatment, etc., generally arranged in the rough machining after, before finishing. In order to improve the mechanical properties of the parts, such as carburizing, quenching, tempering, etc., generally arranged in the mechanical parts after processing. Such as heat treatment after a large deformation, but also must arrange the final processing process.
