Installation and disassembly of stamping dies for single stamping machines

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Date: 2023-07-25Read: 50

Installation of single stamping die:

(1) Install downward flushing

Loosen the lower punch fixing screw, rotate the large pulley to raise the lower punch core rod to the highest position, insert the lower punch into the hole of the lower punch core rod (pay attention to aligning the notch slope of the lower punch rod with the lower punch fastening screw and inserting it to the bottom), and finally tighten the lower punch fixing screw.

(2) Install the upper punch

Loosen the upper punch fastening nut, insert the upper punch into the hole of the upper punch core rod, insert it to the bottom, and tighten the upper punch fastening nut.

(3) Install the middle mold

Loosen the fixing screws of the middle mold, place the middle mold flat into the hole of the middle mold platform, and punch it down into the hole of the middle mold. Press it to the bottom and then tighten the fixing screws of the middle mold. When placing the middle mold, it is important to keep it flat to avoid getting stuck when tilted and damaging the hole wall.

(4) Rotate the large pulley by hand to slowly lower the upper punch into the middle mold hole, and observe for any collision or friction. If collision or friction occurs, loosen the fixing screws (two) of the middle mold plate, adjust the position of the fixing of the middle mold plate, so that the upper punch enters the middle mold hole, and then tighten the fixing screws of the middle mold plate. Adjust in this way until there is no collision or friction when the upper punch enters the middle mold, and then the installation is qualified.

Dismantling of single stamping die:

(1) Disassemble the upper punch

Loosen the upper punch fastening nut to pull out the upper punch rod. If the fit is tight, you can use pliers to clamp the upper punch rod and pull it out, but be careful not to damage the punch shuttle blade.

(2) Disassemble the middle mold

Loosen the fixing screws of the middle mold. Unscrew the down punch fixing screw, loosen the butterfly screw, and loosen the gear pressure plate. Rotate the adjusting gear to raise the lower punch core rod by about ten millimeters, gently rotate the large pulley to push out a part of the middle mold with the lower punch core rod, and remove the middle mold by hand. If the middle mold fits tightly in the hole, do not forcefully rotate the handwheel hard top to avoid damaging the parts. At this point, it is necessary to remove the middle mold plate and then take out the middle mold.

(3) Disassemble and punch down

First, unscrew the lower punch fixing screw, then turn the handwheel to raise the lower punch core rod to the highest position, and you can manually pull out the upper punch rod. If the fit is tight, it can be clamped with pliers (be careful not to damage the edge of the punch).

(4) After disassembling the die, it is necessary to rotate the adjustment gear to retract the lower punch rod by about 10 millimeters. When turning the handwheel to raise the lower punch rod to the highest position, its top should not be higher than the bottom surface of the middle die table (this step should not be ignored to avoid accidents where the lower punch rod collides with the middle die again). Finally, tighten the lower punch fixing screw.

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