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顶针是注塑模具顶出系统的核心零件,用于将成型后的产品从型芯上顶出。顶针设计需考虑以下因素:顶出位置避免顶白、顶针直径保证强度、数量保证力平衡和顶出行程。标准顶针有圆形和扁形两种,材质通常选用SKD61或SKH51并进行氮化处理。对于复杂产品,采用阶梯顶针或套筒顶针可改善受力分布。
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这个参数你们一般设多少?评论区说说。