Guide pillar in precision stamping die main guiding role, to ensure the forming surface of core and cavity into each other, in any case not to guide pin for stress or positioning parts.
Precision stamping die mold produce a great lateral migration force: (
Plastic parts for non-uniform wall thickness material flow rate of big too thick wall place, larger pressure here (
Plastics profile asymmetry, such as step type mold parting surface relative to the two sides of back pressure is not equal to solve the above problems in precision stamping die parting surface to add each a positioning key of high strength, is the most simple and effective by cylinder key.
Guide pin hole and the perpendicularity of the parting surface is very important.
During processing is adopted, mold alignment position after clamping, after boring boring last time, which can guarantee, concentricity of die hole, and minimize the perpendicularity error.
In addition, precision stamping die guide pillar and guide sleeve heat treatment hardness must meet the design requirements.
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