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那么精密零件加工有哪些要求?
那么精密零件加工有哪些要求?
What are the requirements for precision parts processing?
(1)通常，由于零件的切削量，发热和切削力对于零件粗糙和精度不同，为了确保零件的加工精度，因此必须分别进行粗糙零件和精密机械零件的加工。如果粗加工与精密加工连续进行，精密加工零件的精度会因为应力的不同而丧失。
(1) Generally, because the cutting amount, heat and cutting force are different for the roughness and accuracy of parts, in order to ensure the machining accuracy of parts, it is necessary to process rough parts and precision mechanical parts separately. If rough machining and precision machining are carried out continuously, the precision of precision machining parts will be lost due to different stress.
(2)设备选择的合理性。粗糙零件的加工不需要很高的加工精度，但是主要是削减加工余量，因此精密加工需要非常高精度的机床。在精密零件的加工路线中，经常安排热处理工艺。热处理过程的位置安排如下：为了提高金属的切削性能，如退火、正火、调质等，一般安排在机械零件加工前进行。
(2) Rationality of equipment selection. The machining of rough parts does not need high machining accuracy, but mainly to reduce machining allowance, so precision machining needs very high precision machine tools. In the processing route of precision parts, heat treatment process is often arranged. The location of heat treatment process is as follows: in order to improve the cutting performance of metal, such as annealing, normalizing, quenching and tempering, it is generally arranged before the machining of mechanical parts.
What are the requirements for precision parts processing?
(1)通常，由于零件的切削量，发热和切削力对于零件粗糙和精度不同，为了确保零件的加工精度，因此必须分别进行粗糙零件和精密机械零件的加工。如果粗加工与精密加工连续进行，精密加工零件的精度会因为应力的不同而丧失。
(1) Generally, because the cutting amount, heat and cutting force are different for the roughness and accuracy of parts, in order to ensure the machining accuracy of parts, it is necessary to process rough parts and precision mechanical parts separately. If rough machining and precision machining are carried out continuously, the precision of precision machining parts will be lost due to different stress.
(2)设备选择的合理性。粗糙零件的加工不需要很高的加工精度，但是主要是削减加工余量，因此精密加工需要非常高精度的机床。在精密零件的加工路线中，经常安排热处理工艺。热处理过程的位置安排如下：为了提高金属的切削性能，如退火、正火、调质等，一般安排在机械零件加工前进行。
(2) Rationality of equipment selection. The machining of rough parts does not need high machining accuracy, but mainly to reduce machining allowance, so precision machining needs very high precision machine tools. In the processing route of precision parts, heat treatment process is often arranged. The location of heat treatment process is as follows: in order to improve the cutting performance of metal, such as annealing, normalizing, quenching and tempering, it is generally arranged before the machining of mechanical parts.
