How to control the dimensional accuracy of Aluminum Alloy Forging to meet assembly requirements?
Publish Time: 2024-08-02
The dimensional accuracy control of Aluminum Alloy Forging is crucial to meet assembly requirements.
First of all, efforts should be made in mold design. The size and shape accuracy of the mold directly affect the dimensional accuracy of the forging. Use high-precision processing equipment to manufacture the mold to ensure that the dimensional deviation of the mold is controlled within a very small range. For example, through CNC machining technology, the mold cavity can be accurately processed to meet the design requirements. At the same time, the thermal expansion and wear of the mold during the forging process should be considered, and appropriate machining allowances should be reserved. Before the mold is used, strict testing and debugging should be carried out to ensure that the dimensions of the mold are accurate.
Secondly, the control of forging process parameters also has an important influence on dimensional accuracy. Parameters such as forging temperature, pressure and speed need to be set reasonably. Too high or too low temperature may cause changes in the size of the forging. Within the appropriate temperature range, the fluidity of aluminum alloy is better and can better fill the mold cavity. The forging pressure should be moderate. Too low pressure may cause incomplete filling of the forging and small size; too high pressure may cause excessive deformation of the forging and large size. The forging speed should also be adjusted according to the specific situation to ensure the uniform forming of the forging.
Furthermore, the subsequent processing after forging can further improve the dimensional accuracy. The forgings are refined by mechanical processing to remove the flash and allowance generated during the forging process to make the size more accurate. During the processing, accurate measuring tools should be used to monitor the dimensional changes in real time to ensure the processing accuracy. At the same time, the forgings are properly heat treated to eliminate the internal stress generated during the forging process to prevent the forgings from deforming during subsequent use and affecting the dimensional accuracy.
In addition, quality inspection is also a key link. Advanced measuring equipment, such as three-coordinate measuring instruments, are used to comprehensively inspect the dimensions of the forgings, and dimensional deviations are discovered and adjusted in a timely manner. Through the above measures, the dimensional accuracy of Aluminum Alloy Forging can be effectively controlled to meet different assembly requirements and improve the quality and reliability of products.
