9 tips about ways to avoid excessive wear of the punch die

As we all know, punch presses need to work with different molds to process different products. However, in the process of high-speed punching, the mold will wear out to different degrees due to various reasons. There will be scratches of different sizes on the mold. The larger the scratch are, the faster the wear is. What is worse, the mold wear will have a certain impact on the processing accuracy and quality of the workpiece. The quality of the product will reduce, or the product even will be scrapped.

To ensure the processing accuracy of the punching machine, we should take measures to prevent the mold wear. After reading this article, you know what to do!

First of all, let’s know more about the reasons that cause the punch die to wear too fast:

The first point is the poor alignment of the mold mounts of the upper and lower turntables.

Secondly, the design or machining accuracy of the punch die cannot meet the requirements.

Finally, the accuracy of the guide sleeve of the mold punch is not enough.

Knowing the reason why the punch die wear too quickly, we can take corresponding measures.

The specific solutions are as follows:

1) Regularly use the center mandrel to check and adjust the neutrality of the punch turret and mounting seat.

2) Adopt full lead mold.

3) Strengthen the sense of responsibility of the operators. Find out the cause in time after discovery, to avoid greater losses.

4) Replace the mold guide sleeve in time and choose a convex-concave mold with appropriate clearance.

5) The operator needs to inspect mold strictly before installation. He needs to remove dirt and checks the guide sleeve of the mold are in well lubrication.

6) Regularly check the turntable of the punch press and the mold mounting base to ensure the coaxial accuracy of the upper and lower turntables.

7) Install the convex and concave molds on the turntable according to the installation procedure of the punch mold to ensure that the direction of the convex and concave molds is consistent; all molds that have direction requirements (non-circular and square) must be more focused to prevent incorrect or reverse installation.

8) After installing the mold, the operator needs to check whether the fastening screws of the mold installation base are properly locked.

9) When the punch and die edge of the punch die is worn, stop using it and sharpen it in time; otherwise, it will rapidly expand the wear of the die edge, accelerate the wear of the die, and reduce the quality and life of the die.

To sum up, in addition to the reasonable mold structure, high manufacturing accuracy, and good heat treatment effect, the service life of the punch die depends on the selection of a suitable tonnage punch and the correct use of the die to ensure installation accuracy. Normal maintenance and maintenance cannot be ignored. I hope this article is helpful for everyone to use punches and molds. Please click https://www.harsle.com/Punching-Machine.html for more punching information.