Ordinary mold not only punch manufacturers can improve the service life of the mold, but also can improve the service life of the machine, so master the correct and reasonable grinding time is very important. The mold needs to be sharpened by the user is very direct method is: punching accumulated to a certain extent, check the quality of the stamping whether there is a larger burr, again check the mold edge is round (rounded ≥ 1) . If this happens, the press has been dull, this time the need for grinding.

If the mold is sharpened at the appropriate time, the service life can be extended by 3 times, but without proper edge grinding, but will quickly increase the edge damage of the mold, reducing its life, mold grinding machine with its matching edge grinding, choose the right edge Grinding machine will greatly facilitate the user, improve production efficiency.