Points for attention when using broaching

2024-07-03

Broaching machine is an important processing equipment, its operation and use need to pay special attention to some key points. First of all, according to different processing needs, it is very important to choose the appropriate broach type. For example, for the processing of spiral internal gears, the spiral internal gear broach should be selected, and attention should be paid to its design points, such as the gradual coarse pull, the same profile fine cut pull layered broaching combination structure design.

When using a broaching machine for processing, it is also necessary to pay attention to the relative movement relationship between the workpiece and the broach. For example, in the CNC broaching machine with pull-up structure commonly used abroad, the workpiece (worktable) moves upward in a straight line, and the broach moves in a circumferential rotation. The relationship between the two movements is actually set by the spiral lead of the part, and the precision of the gear spiral is also realized through this movement.

In addition, because broaching is a forming cutting principle, the part pitch accumulation, tooth profile shape accuracy and the accuracy of the broach itself are very closely related, close to the direct reflection of 1:1. Therefore, when using the broaching machine, the accuracy of the broach must be guaranteed to ensure the processing quality of the parts.

In general, the use of broaching machines requires attention to selecting the appropriate broach, ensuring the correct relative movement between the workpiece and the broach, and maintaining the high precision of the broach. Only by meeting these conditions can we ensure the normal operation of the broaching machine and process high-quality parts.

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