Printed mold machine wear and maintenance

Troubleshooting and Maintenance punch punch is to maintain the highest number of parts, and its main fault is broken. Analysis caused by a broken main reasons are: the punch length is too long, convex, concave die gap uneven, stripper plate stamping process is not smooth, punch plate, stripper plate and punch the gap is too large, die exclude waste flow and so on. So the punch length is generally not more than 35mm, to ensure that it has Reducing coupling mould  sufficient rigidity; die and stripper plate fixed to use the punch mounting plate four small guide column-oriented, in order to ensure the convex and concave mold gap uniformity and a plurality of fine punch guide; Stripper Stripper plate using screws such as sleeve, to ensure its stability when stamping; die hollowed effective in all parts of the cutting edge of the following methods or using vacuum suction to ensure punching waste exclusion unimpeded; addition, the punch blade grinding regularly to ensure sharp die failures and maintenance due to the punching soft material, the thickness of about 011mm, die gap generally reclaimer thick (108)% Almost no gap close to the mold, the mold in order to ensure the quality gap and the punching, die 45 # steel material selection and does not require heat treatment. In addition, the plastic coupler fittings mould  following should die effective edge hollowed out, which will result in a punching die edge parts of the excessive wear and collapse. So should die designed mosaic structure, prepare a few more spare parts in order to facilitate the timely replacement.
Punch and die clearance maintenance convex and concave mold wear, especially the die mold wear increases the gap, leading to the edge of the punched holes varying hair, size becomes large, it is timely with a small hammer to gently knock on copper hit die inserts shaped hole periphery without heat treatment, die by plastic deformation model enables smaller pore size, and then die rubbed off on the edge surface grinder 011mm, close the upper and lower mold, air travel runs 510 times until the punched hole edge burrs can be. To check on a regular basis with a small gap between the punch and the stripper plate, which is less than the die gap and ensure timely lubricant, such as the gap is too large, it should be replaced inserts discharge board. Pillar is to ensure that key parts of the die gap uniform, which not only give the stripper plate orientation, but also to die oriented. The only way to guarantee a reasonable gap between the mold evenly. Regular nail maintenance guide pin and flexible circuit board pad hole position is determined by the position of the positioning holes to ensure that these pre-positioning holes machined on CNC drilling well, hole diameter is usually 53118. Guide being nailed to die on the location and number is not fixed, the ambient temperature and different materials, flexible circuit boards will have a different amount of contraction, leading to the punch hole deviation. Therefore, we should pay attention to adjust the position of the guide being nailed and relative quantity, to ensure product quality. Jump and solutions due to the electrostatic interaction of a flexible tapping tee electrofusion mould  material, punching scrap often cling together, it is difficult to exclude from the mold leak, and some will even be adsorbed on the waste punch after punching a serious impact on the punching waste. Therefore, you should increase the depth of the punch into the die around 1mm, in order to ensure that the waste is completely excluded from the mold. Care and maintenance of the mold die when not in use, it is timely coated with anti-rust oil in the work site, but pay attention to the next should be used to mold the first oil wiped and washed with absorbing paper test, until the oil is absorbed clean, otherwise it will affect the quality of the plating. Mold on the move, to a light, two steady, three slow, to avoid shock and intense vibration. Storage location should be fixed, to control the humidity of the air, to avoid dust or debris falling, should be placed on the shelf, non-directly on the concrete floor.
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