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What are the Factors that Affect the Machining Accuracy of Parts Machining Process?

What are the Factors that Affect the Machining Accuracy of Parts Machining Process?

Pulished on Apr. 29, 2020

As a CNC Lathe Parts Supplier, share with you. Mechanical processing technology is the process of processing parts according to drawings. There are more than one processing technology. For precision machining of aluminum parts, there are many processing technologies for Yishen parts. This requires the processor to analyze the processing technology of each god. After the advantages and disadvantages, a comprehensive selection of a suitable processing technology and a reasonable processing technology can improve the roughness, accuracy and service life of the part, and it is also the key to improving the qualification rate of the part processing.

Precision Aluminum CNC Machining Part

Precision Aluminum CNC Machining Part

The machining accuracy not only reflects the geometrical accuracy of the part but also the shape and position error of the part. There are also higher requirements for tool installation and fixture racks. After the part is processed, compare it with the part drawing. If an error occurs, it reflects whether the processing accuracy is accurate. For the tolerance, the tolerance value is inversely proportional to the processing accuracy, and the larger the tolerance The smaller the machining accuracy and the smaller the tolerance, the higher the machining accuracy. In the actual machining process, it is difficult to ensure that the machining size is consistent with the drawing size, but as long as the actual size of the machining is within the allowable range, the size is considered Qualified, can ensure that the performance parameters of the parts are further put into practical application.

Mechanical processing is definitely inseparable from machine tool equipment. The processing of raw materials is controlled by the machine tool. Over time, the processing of raw materials will change the performance of the machine tool, which will further affect the machining accuracy of the machine tool. The first is the guide error of the machine guide. The guide error of the guide mainly causes the parts to move in the sensitive direction of the machine error, resulting in straightness and flatness errors on the surface of the machined parts. Then the rotation error of the machine tool spindle, the machine tool spindle has been offset during rotation The original main axis of the main shaft, and the coaxiality and roundness errors are caused to the cylindrical surface of the processed parts. Hardware precision machining is the final error of the transmission chain of the machine tool. The position of the machine tool will change during the transmission of the part, thereby forming the error of the part displacement. The hole on the surface of the machined part, the table and some auxiliary structures cause the position error. Degrees error.

Machining process is the main bad part of processing parts. Strict requirements must be placed on the equipment, real-time operation status of the equipment should be mastered, some variable factors appearing in the machining process should be strictly controlled, and the dimensional qualification of the parts should be checked carefully and responsibly.

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