It is well known for metal injection molding supplier that short shot is a very common defect in powder
injection molding process. Today we would like to discuss the reason for short
shot during MIM process. Welcome your supplement.
Possible
reason for short shot in injection molding
l
Inadequate measurement set
l
injection pressure is too small
l
injection speed is too slow or injection time is too short
l
mold temperature or tube temperature is not enough
l the back pressure is too low or no back
pressure caused screw idling
l
too much release agent
l
Too short flow distance or
bad illiquidity of material
l
sprue or runner is too small
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