22 years of industry experience in mechanical parts manufacturing

Shenzhen machinery processing factory need to pay attention to the problem

by:HENRY PARTS     2021-03-12
More 1, in order to ensure the machining accuracy, separately from the rough and finish machining is best: because when rough machining, cutting quantity is big, the workpiece by cutting force, clamping force, heat, and machining hardening of the surface has a significant phenomenon, artifacts within the larger internal stress, if continuous for rough machining, after finishing the parts precision will soon lost because of the stress redistribution. For some high machining accuracy requirements of parts. Before after rough machining and finish machining, also should be arranged or aging treatment of low temperature annealing process to eliminate internal stress. Shenzhen mechanical processing plant 2, reasonably choose equipment: rough machining mainly cut off most of the machining allowance, does not require high machining accuracy, so rough machining should be bigger in the power and the high accuracy of machine tools, machining process insist on using a relatively high precision machine. Rough and finish machining on the machine in different, can give full play to the equipment capacity, and can prolong the service life of precision machine tools. 3, in the machining process, often arranged with heat treatment process: the location of the heat treatment process are arranged as following: to improve the machinability of metals, such as annealing, normalizing, tempering, general arrangement before machining. To eliminate internal stress, such as aging treatment, conditioning treatment, such as general arrangement, after rough machining, but before finishing. In order to improve the mechanical properties of the parts, such as carburizing, quenching and tempering, general arrangement after machining. Such as heat treatment after large deformation, but also should arrange the final machining process.
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