Stamping jump crumbs, refers to the precision hardware mold in high speed blanking, rushed into the die cutting edge within the scraps be punch out of the mold surface phenomenon.
It will reduce the pick-up or stamping pressure bad, which affect the product quality, shorten the die life, reduce the production efficiency, is the 'big fear of high-speed continuous cutting production.
Is the main reason for the jump chip: precision metal mold continuous cutting at high speed in the process of cutting oil, clearance is too large, the influence of such factors as formation between the punch and attle instantaneous partial vacuum, when the material is very thin, weight of slivers the blade to the sum of the friction force is less than punch and die on its adsorption capacity, in the process of punch up, scraps and adsorption on the surface of the punch, rise, forming a jump crumbs.
There are many factors that can affect jump crumbs, too much when the blade wear punch, cutting oil consumption, the material is very thin and short punch into the cavity depth and so on, all can lead to jump.
Prevention methods of chip jump: blanking clearance, reduce precision hardware mold punch processing abnormity, edge processing job-hopping, vacuum blower, number of blade, reduce or change the cutting oil, etc.
Dongguan precision, professional design and manufacture of precision stamping die and precision hardware stamping ODM/OEM manufacturer, to prevent the chip precision stamping jump problem has thirty years of experience in original ideas and solutions.
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