Machinery processing plants have their own technical points, that is, each has its own skills. Dalian Machinery Processing Plant will share with you some of their machining skills! Hope to help everyone!!!
The machining process refers to the whole process of making the shape, size, relative position and nature of the blank into qualified parts by using traditional machining methods according to the drawings and dimensions. The processing process is what workers need to do before processing to avoid processing errors and economic losses in the processing process.
1. Heat treatment process is often arranged in the machining process route. The position of heat treatment process is arranged as follows: In order to improve the cutting performance of metal, such as annealing, normalizing, quenching and tempering, it is generally arranged before mechanical processing in Dalian. In order to eliminate internal stress, such as aging treatment, quenching and tempering treatment, it is generally arranged after rough machining and before finishing. In order to improve the mechanical properties of parts, such as carburizing, quenching, tempering, etc., it is generally arranged after mechanical processing in Dalian. If there is large deformation after heat treatment, the final processing procedure must be arranged.
2. In order to ensure the machining accuracy, rough and finish machining should be carried out separately. Because of the large cutting amount during rough machining, the cutting force and clamping force on the workpiece are large, the heat generation is large, and the machining surface has a significant work hardening phenomenon, there is a large internal stress in the workpiece. If rough and rough machining are carried out continuously, the precision of the finished part will be lost quickly due to the redistribution of stress. For some parts with high machining accuracy requirements. After rough machining and before finishing, low-temperature annealing or aging treatment shall be arranged to eliminate internal stress.
3. The equipment shall be selected reasonably. Rough machining is mainly to cut off most of the machining allowance, and does not require high machining accuracy. Therefore, rough machining should be carried out on a machine tool with high power and low accuracy, while finishing requires a machine tool with high accuracy. Rough and finish machining are processed on different machine tools, which can not only give full play to the equipment capacity, but also extend the service life of precision machine tools.
