The dies used in the field of precision stamping processing are equipped with guide pins to correct the length of materials sent into the die each time and ensure the accuracy of stamping processing and production. In order to truly realize this correction, the leveling machine must be equipped with a relaxation device. After the tip of the guide pins of the die enters the stamping materials, The clamping of leveling machine or two in one leveling machine is just in a relaxed state. At this time, the guide pin can correct the error in time, and the relaxation time is the relaxation angle of the leveling machine.
When installing the two in one leveling machine for debugging and mold testing, the leveling height, leveling angle and relaxation angle of the leveling machine will be adjusted according to the mold actually used by the customer for mold testing. After single punching and mold testing, continuous stamping will be carried out to ensure that the continuous stamping reaches the predetermined accuracy. At the same time, detailed training will be carried out for the operators of the production line of the press leveling machine to teach the operators how to use, debug Maintenance and daily repair of two in one leveling machine equipment.
However, in actual use, many operators use the two in one leveling machine for the first time. After replacing the new die for the punch, they often only remember to adjust the height of the leveling machine (because the die height is different after replacing the die, and the leveling height needs to change, which is very intuitive), but ignore the adjustment of the relaxation angle of the leveling machine. At this time, the phenomenon of inaccurate leveling will appear, Because the operator is not familiar with the leveling machine, he often can not think of the problem. At this time, the operator will complain that the leveling machine is not good and can only be applied to one kind of mold. In fact, this is due to the inaccurate leveling caused by the incorrect adjustment of the relaxation angle of the leveling machine. At this time, many stamping owners may have doubts. The leveling angle of the two in one leveling machine is generally within the range of 270 degrees - 350 degrees. Why should the relaxation angle be so accurate?
In fact, the reason for this problem is very simple, that is, the stamping process of each set of die is different, so the die thickness and the length of the guide pin are different. The change of the length of the guide pin will make the insertion time of the guide pin into the material different. This time changes. If the relaxation angle time is still the same as before, the clamping relaxation is not correctly realized, So that the guiding function of the guide pin can not be truly realized, which eventually leads to the inaccurate leveling length. Therefore, it is an essential link to adjust the leveling angle of the leveling machine after replacing the mold. The standard of adjustment is to relax when the guide pin of the mold enters the material hole. When the mold rises, the two in one leveling machine clamps the material before the guide pin goes out of the material needle hole. In this way, the high-precision stamping production of the punch can be truly ensured.
