{"id":2374,"date":"2025-08-21T16:44:33","date_gmt":"2025-08-21T08:44:33","guid":{"rendered":"https:\/\/www.3dptek.com\/?p=2374"},"modified":"2025-08-21T16:44:41","modified_gmt":"2025-08-21T08:44:41","slug":"casting-shrinkage-cavity-issues","status":"publish","type":"post","link":"https:\/\/www.3dptek.com\/fr\/blogs\/casting-shrinkage-cavity-issues\/","title":{"rendered":"Comment l'impression 3D peut-elle \u00e9liminer le retrait de la fonte en optimisant la structure interne ?"},"content":{"rendered":"<p>\u7f29\u5b54\uff0c\u5982\u540c\u9690\u85cf\u5728\u94f8\u4ef6\u5185\u90e8\u7684\u201c\u6697\u4f24\u201d\uff0c\u662f\u4f20\u7edf\u94f8\u9020\u5de5\u827a\u4e2d\u4e00\u79cd\u5e38\u89c1\u7684\u3001\u96be\u4ee5\u6839\u9664\u7684\u7f3a\u9677\u3002\u5b83\u4e0d\u4ec5\u5f71\u54cd\u94f8\u4ef6\u7684\u7f8e\u89c2\uff0c\u66f4\u76f4\u63a5\u5a01\u80c1\u5176\u5f3a\u5ea6\u548c\u673a\u68b0\u6027\u80fd\u3002\u5f53\u7194\u878d\u91d1\u5c5e\u5728\u51dd\u56fa\u8fc7\u7a0b\u4e2d\u4f53\u79ef\u6536\u7f29\uff0c\u800c\u6ca1\u6709\u5f97\u5230\u8db3\u591f\u7684\u91d1\u5c5e\u6db2\u8865\u5145\u65f6\uff0c\u5c31\u4f1a\u5728\u94f8\u4ef6\u5185\u90e8\u6216\u8868\u9762\u5f62\u6210\u7a7a\u6d1e\uff0c\u5373\u6211\u4eec\u5e38\u8bf4\u7684\u7f29\u5b54\u6216\u7f29\u677e <sup><\/sup>\u3002 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\u00a0<\/li>\n\n\n\n<li><strong>\u51dd\u56fa\u4e0d\u5747\uff1a<\/strong> \u5982\u679c\u94f8\u4ef6\u4e0d\u540c\u533a\u57df\u7684\u51b7\u5374\u901f\u5ea6\u4e0d\u4e00\u81f4\uff0c\u70ed\u91cf\u96be\u4ee5\u6709\u6548\u6563\u53d1\uff0c\u5c31\u4f1a\u5f62\u6210\u70ed\u8282\uff08hot spot\uff09\u3002\u8fd9\u4e9b\u70ed\u8282\u662f\u6700\u540e\u51dd\u56fa\u7684\u533a\u57df\uff0c\u5f53\u5468\u56f4\u7684\u91d1\u5c5e\u5df2\u7ecf\u51dd\u56fa\u65f6\uff0c\u5b83\u4eec\u7f3a\u4e4f\u6db2\u6001\u91d1\u5c5e\u7684\u8865\u5145\uff0c\u6781\u6613\u5f62\u6210\u7f29\u5b54 \u3002 \u00a0<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u4f20\u7edf\u94f8\u9020\u4e2d\uff0c\u6a21\u5177\u548c\u578b\u82af\uff08core\uff09\u901a\u8fc7\u7269\u7406\u5de5\u5177\u5236\u9020\uff0c\u5176\u51e0\u4f55\u5f62\u72b6\u53d7\u9650\u4e8e\u53ef\u52a0\u5de5\u6027\u548c\u53ef\u8131\u6a21\u6027\u3002\u4f8b\u5982\uff0c\u7528\u4e8e\u5236\u9020\u51b7\u5374\u6c34\u8def\u7684\u94bb\u5b54\u53ea\u80fd\u662f\u76f4\u7ebf <sup><\/sup>\u3002\u8fd9\u4f7f\u5f97\u5de5\u7a0b\u5e08\u96be\u4ee5\u5728\u6a21\u5177\u5185\u90e8\u8bbe\u8ba1\u51fa\u590d\u6742\u3001\u5f2f\u66f2\u7684\u8865\u7f29\u901a\u9053\u6216\u968f\u5f62\u51b7\u5374\u901a\u9053\uff0c\u65e0\u6cd5\u7cbe\u51c6\u63a7\u5236\u51dd\u56fa\u8fc7\u7a0b\uff0c\u4ece\u800c\u52a0\u5927\u4e86\u7f29\u5b54\u7f3a\u9677\u7684\u98ce\u9669 <sup><\/sup>\u3002 &nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-3d\u6253\u5370\u7684\u89e3\u51b3\u65b9\u6848-\u8d4b\u4e88\u6a21\u5177-\u751f\u547d-\u7684\u81ea\u7531\u8bbe\u8ba1\">2. 3D\u6253\u5370\u7684\u89e3\u51b3\u65b9\u6848\uff1a\u8d4b\u4e88\u6a21\u5177\u201c\u751f\u547d\u201d\u7684\u81ea\u7531\u8bbe\u8ba1<\/h2>\n\n\n\n<p>\u5de5\u4e1a\u7802\u578b3D\u6253\u5370\u673a\u7684\u6838\u5fc3\u4f18\u52bf\u5728\u4e8e<strong>\u8bbe\u8ba1\u81ea\u7531\u5ea6<\/strong>\u548c<strong>\u65e0\u6a21\u5177\u751f\u4ea7<\/strong>\uff0c\u5b83\u76f4\u63a5\u4ece3D CAD\u6587\u4ef6\u9010\u5c42\u6253\u5370\u7802\u578b\u548c\u578b\u82af <sup><\/sup>\u3002\u8fd9\u4e00\u7279\u6027\u4ece\u6839\u672c\u4e0a\u7a81\u7834\u4e86\u4f20\u7edf\u5de5\u827a\u7684\u51e0\u4f55\u9650\u5236\uff0c\u4e3a\u6d88\u9664\u7f29\u5b54\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u51e0\u79cd\u5f3a\u5927\u7684\u624b\u6bb5\uff1a &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-\u65b9\u6848\u4e00-\u4f18\u5316\u8865\u7f29\u901a\u9053-\u7cbe\u51c6\u5bfc\u6d41\">\u65b9\u6848\u4e00\uff1a\u4f18\u5316\u8865\u7f29\u901a\u9053\uff0c\u7cbe\u51c6\u5bfc\u6d41<\/h3>\n\n\n\n<p>\u5229\u75283D\u6253\u5370\u6280\u672f\uff0c\u5de5\u7a0b\u5e08\u53ef\u4ee5\u5728\u6a21\u5177\u5185\u90e8\u8bbe\u8ba1\u51fa\u6700\u7406\u60f3\u7684\u8865\u7f29\u7cfb\u7edf\uff0c\u800c\u65e0\u9700\u8003\u8651\u53ef\u52a0\u5de5\u6027\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e00\u4f53\u5316\u6d47\u6ce8\u7cfb\u7edf\uff1a<\/strong> \u4f20\u7edf\u7684\u6d47\u6ce8\u7cfb\u7edf\uff08\u5305\u62ec\u6d47\u9053\u548c\u5192\u53e3\uff09\u9700\u8981\u5355\u72ec\u5236\u4f5c\u5e76\u7ec4\u88c5 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\u00a0<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-\u65b9\u6848\u4e8c-\u968f\u5f62\u51b7\u5374-\u5b9e\u73b0\u5747\u5300\u51dd\u56fa\">\u65b9\u6848\u4e8c\uff1a\u968f\u5f62\u51b7\u5374\uff0c\u5b9e\u73b0\u5747\u5300\u51dd\u56fa<\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u6a21\u5177\u672c\u8eab\uff0c3D\u6253\u5370\u540c\u6837\u80fd\u5e26\u6765\u9769\u547d\u6027\u7684\u6539\u53d8\u3002\u901a\u8fc7<strong>\u968f\u5f62\u51b7\u5374<\/strong>\uff08conformal cooling\uff09\u6280\u672f\uff0c\u53ef\u4ee5\u5728\u6a21\u5177\u5185\u90e8\u8bbe\u8ba1\u51fa\u4e0e\u94f8\u4ef6\u8868\u9762\u8f6e\u5ed3\u76f8\u5339\u914d\u7684\u51b7\u5374\u901a\u9053 <sup><\/sup>\u3002 &nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u7406\uff1a<\/strong> \u4f20\u7edf\u51b7\u5374\u901a\u9053\u662f\u76f4\u7ebf\u94bb\u5b54\uff0c\u65e0\u6cd5\u8986\u76d6\u5230\u6240\u6709\u9700\u8981\u51b7\u5374\u7684\u533a\u57df\uff0c\u5bfc\u81f4\u6a21\u5177\u6e29\u5ea6\u4e0d\u5747\u5300 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