| 摘要 |
<p>The pin (1) for die casting comprises a guiding part (2) arranged in a mold bore, and a molding part (3) to project in a mold cavity. The guiding part has a zone, and a recess (4) of which a diameter is lower than a diameter of the guiding part. A ratio of diameter of the recess zone on the molding part is 0.5-0.75. The recess zone is constituted of a groove, which is machined into a body of the pin in the guiding part that is arranged proximity to a connection zone with the molding part. An ejector set is formed between a diameter of the molding part and the guiding part. The pin (1) for die casting comprises a guiding part (2) arranged in a mold bore, and a molding part (3) to project in a mold cavity. The guiding part has a zone, and a recess (4) of which a diameter is lower than a diameter of the guiding part. A ratio of diameter of the recess zone on the molding part is 0.5-0.75. The recess zone is constituted of a groove, which is machined into a body of the pin in the guiding part that is arranged proximity to a connection zone with the molding part. An ejector set is formed between a diameter of the molding part and the guiding part, where the set has a diameter of 7-8 mu m. The part of the guiding zone separates the recess of the molding part to form a barrier at an inlet material in the mold bore.</p> |
