Check if there are any problems with the following four reasons for cracking or fracture.

A. Placement of the workpiece. If there is any problem, please place it correctly.

B. Similarly, POM splits too fast. The solution is the same as above.

C. Vibration. If there is a vibration, the source of the vibration should be found and solved.

D. The density and weight of the workpiece are not up to the standard and the injection process needs to be changed.