Formulate relevant china injection mould standard is in order to standardize mould processing, also can be more effectively regulate the unity of design and processing, improve the production efficiency of injection molding grinding tool.Plastic pieces of the proper setting of the strengthening rib can avoid the buckling deformation of plastic parts;Of material flow along the direction of the strengthening rib can reduce resistance in mold filling, liquidity melt, avoid air bubbles, the production of the phenomenon such as shrinkage cavity and depression.Strengthening rib in the plastic pieces of material flow guiding role when the battery to locate again at the same time, low profile 1 mm high score, the draft 2 degrees, at the top of the fillet, lower part chamfering R, width of 0.5 T.Usually the strengthening rib design principles for the height (too high easy son damaged under the action of bending and impact load), the width is small, and the number is good (plastic shape allows).
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