英语翻译All molding surfaces (cavities,cores,core pins,and subma
英语翻译
All molding surfaces (cavities,cores,core pins,and submarine gate inserts) as well as other details such as slides,heal blocks,gibs,wedge blocks,etc.,shall be tool steal hardness to a minimum of 48 Rockwell C scale.All components shall be permanently marked as to type of steel,hardness,identified for easy mold assembly.All by-pass shut-offs or any steel sliding surfaces shall be a minimum of 5 points Rockwell C scale hardness difference from the mating components (or of dissimilar metal).All shut-off angles shall be a minimum of 3 degrees if part design allows.