{"id":2378,"date":"2013-01-16T08:04:00","date_gmt":"2013-01-16T00:04:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=2378"},"modified":"2020-11-12T15:42:35","modified_gmt":"2020-11-12T07:42:35","slug":"mold-in-screw-crack-potential-cuase","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2013\/01\/mold-in-screw-crack-potential-cuase\/","title":{"rendered":"\u57cb\u5165\u5c04\u51fa\u87ba\u7d72\u67f1\u7834\u88c2\u7684\u53ef\u80fd\u539f\u56e0\u63a2\u8a0e"},"content":{"rendered":"\"\u57cb\u5165\u5c04\u51fa\u87ba\u7d72\u67f1\u7834\u88c2\u7684\u53ef\u80fd\u539f\u56e0\u63a2\u8a0e\"<\/p>\n

\u4e4b\u524d\u5de5\u4f5c\u718a\u66fe\u7d93\u5728\u90e8\u843d\u683c\u5167\u8aaa\u660e\u516c\u53f8\u7684\u7522\u54c1\u767c\u751f\u5851\u81a0\u7834\u88c2\u7684\u554f\u984c\uff0c\u6211\u5011\u521d\u6b65\u8a8d\u5b9a\u662f\u5851\u81a0\u5c04\u51fa\u5ee0\u7684\u88fd\u7a0b\u7ba1\u63a7\u4e0d\u7576\u6240\u5f15\u8d77\uff0c\u800c\u4e14\u5206\u6790\u4e0d\u826f\u54c1\u5f8c\u767c\u73fe\u7834\u88c2\u7684\u5730\u65b9\u662f\u5f9e\u57cb\u5165\u5c04\u51fa(mold-in INSERT)\u7684\u87ba\u7d72\u67f1\u4e00\u8def\u5f80\u5916\u88c2\u958b\uff0c\u6240\u4ee5\u7bad\u982d\u5c31\u76f4\u6307\u57cb\u5165\u5c04\u51fa\u7684\u87ba\u7d72\u9285\u67f1\u88fd\u7a0b\u3002<\/font><\/p>\n

\u4f9d\u7167\u904e\u53bb\u7684\u7d93\u9a57\uff0c\u9019\u985e\u57cb\u5165\u5c04\u51fa\u7684\u87ba\u7d72\u539f\u5247\u4e0a\u9700\u8981\u9810\u71b1(pre-heat)\u4e00\u6bb5\u5f8c\u624d\u80fd\u653e\u5165\u6a21\u5177\u4e2d\u9032\u884c\u6ce8\u81a0\u7684\u52d5\u4f5c\uff0c\u5426\u5247\u5c31\u5bb9\u6613\u56e0\u5167\u61c9\u529b\u7684\u7522\u751f\u800c\u767c\u751f\u5851\u81a0\u87ba\u7d72\u67f1\u9f9c\u88c2\u7684\u4e0d\u826f\u3002<\/font><\/p>\n

\u53ea\u662f\u5851\u81a0\u5ee0\u4e00\u76f4\u5805\u6301\u4ed6\u5011\u5f9e\u4ee5\u524d\u5c31\u4e00\u76f4\u4f9d\u7167\u73fe\u5728\u7684\u88fd\u7a0b\u751f\u7522\uff0c\u800c\u4e14\u7576\u6642\u8ca0\u8cac\u7684\u5de5\u7a0b\u5e2b\uff08\u56e0\u70ba\u7522\u54c1\u662f\u8cb7\u9032\u4f86\u7684\uff0c\u7576\u6642\u7684\u5de5\u7a0b\u5e2b\u4e5f\u90fd\u96e2\u8077\u4e86\uff09\u4e5f\u8a8d\u53ef\u9019\u6a23\u7684\u88fd\u7a0b\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\u3002<\/font><\/p>\n

\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u6211\u5011\u4e5f\u636b\u5fc3\u81ea\u554f\uff0c\u6703\u767c\u751f\u57cb\u5165\u87ba\u7d72\u67f1\u7834\u88c2\u7684\u53ef\u80fd\u539f\u56e0\u6709\u54ea\u4e9b\uff1f\u6240\u4ee5\u4e0b\u9762\u5de5\u4f5c\u718a\u5217\u51fa\u56db\u500b\u53ef\u80fd\u7684\u539f\u56e0\uff0c\u5982\u679c\u6709\u90a3\u4f4d\u4ec1\u5144\u6709\u4efb\u4f55\u5efa\u8b70\u6216\u898b\u89e3\uff0c\u4e5f\u6b61\u8fce\u63d0\u4f9b\u610f\u898b\uff1a<\/font><\/p>\n

<\/p>\n

1. \u5851\u81a0\u4f7f\u7528\u56de\u6536\u6599(re-grind resin)<\/font><\/h4>\n
\n

\u4e00\u4f46\u5851\u81a0\u4f7f\u7528\u4e86\u56de\u6536\u6599(re-grind resin)\u5c04\u51fa\uff0c\u5176\u5c04\u51fa\u6210\u54c1\u7684\u6a5f\u68b0\u5f37\u5ea6\u5c07\u6703\u964d\u4f4e(degrade)\uff0c\u9019\u662f\u56e0\u70ba\u5851\u81a0\u7d93\u904e\u5c04\u51fa\u6a5f\u7684\u5c0e\u87ba\u687f\u64e0\u58d3\u5f8c\uff0c\u5176\u539f\u672c\u7684\u9577\u5206\u5b50\u93c8\u5c07\u6703\u88ab\u6253\u65b7\uff0c\u539f\u672c\u7cfe\u6b98\u5728\u4e00\u8d77\u7684\u5206\u5b50\u93c8\u5c31\u8b8a\u5f97\u6bd4\u8f03\u9b06\u6563\uff0c\u56e0\u6b64\u5f37\u5ea6\u5c31\u8ddf\u8457\u964d\u4f4e\u3002<\/font><\/p>\n

\u4f7f\u7528\u4e86\u56de\u6536\u6599\u7684\u5851\u81a0\u5176\u7d50\u69cb\u6703\u8b8a\u5f97\u6bd4\u539f\u4f86\u7684\u8106\uff0c\u4e5f\u7121\u6cd5\u627f\u53d7\u539f\u4f86\u6bd4\u8f03\u5927\u7684\u61c9\u529b\uff0c\u4e00\u65e6\u57cb\u5165\u5c04\u51fa\u7684\u87ba\u7d72\u6709\u5167\u61c9\u529b\u7522\u751f\u6642\uff0c\u5c31\u5bb9\u6613\u56e0\u70ba\u7121\u6cd5\u627f\u53d7\u8f03\u5927\u7684\u61c9\u529b\u800c\u767c\u751f\u7834\u88c2\u7684\u554f\u984c\u3002<\/font><\/p>\n

\u76f8\u95dc\u95b1\u8b80\uff1a<\/font>\u70ba\u4f55\u5851\u81a0\u4f7f\u7528\u56de\u6536\u4e8c\u6b21\u6599\u5f37\u5ea6\u6703\u964d\u4f4e<\/font><\/a><\/p>\n

\u77e5\u9053\u6211\u7684\u670b\u53cb\u61c9\u8a72\u77e5\u9053\u6211\u4e4b\u524d\u90e8\u843d\u683c\u88e1\u63a2\u8a0e\u904e\u5f88\u591a\u5229\u7528MFI(Mold Flow Index)\u7ba1\u63a7\u56de\u6536\u4e8c\u6b21\u7684\u6587\u7ae0\uff0c\u6709\u8208\u8da3\u7684\u53ef\u4ee5\u81ea\u5df1\u627e\u4e00\u4e0b\u3002\u6839\u64da\u7d93\u9a57\uff0c\u5c04\u51fa\u5f8c\u5851\u81a0\u7684MFI\u503c\u5c07\u6703\u6bd4\u539f\u6a39\u8102(virgin resin)\u589e\u52a025~30%\u7684\u6578\u5b57\uff0c\u6240\u4ee5\u53ea\u8981\u6aa2\u9a57\u5176MFI\u503c\u662f\u5426\u5927\u65bc\u539f\u6a39\u8102\u898f\u5b9a\u768430%\u5c31\u53ef\u4ee5\u521d\u6b65\u5224\u65b7\u662f\u5426\u6709\u6dfb\u52a0\u4e8c\u6b21\u6599\u3002<\/font><\/p>\n

\"\u77e5\u9053\u6211\u7684\u670b\u53cb\u61c9\u8a72\u77e5\u9053\u6211\u4e4b\u524d\u90e8\u843d\u683c\u88e1\u63a2\u8a0e\u904e\u5f88\u591a\u5229\u7528MFI(Mold<\/a><\/p>\n<\/blockquote>\n

2. \u57cb\u5165\u87ba\u7d72\u672a\u9810\u71b1(pre-heat)<\/font><\/h4>\n
\n

\u4f9d\u7167\u904e\u53bb\u7684\u7d93\u9a57\uff0c\u57cb\u5165\u5c04\u51fa\u7684\u87ba\u7d72\u57fa\u672c\u4e0a\u9700\u8981\u9810\u71b1\u5f8c\u624d\u80fd\u653e\u5165\u6a21\u5177\u4e2d\u9032\u884c\u6ce8\u81a0\u7684\u52d5\u4f5c\uff0c\u5426\u5247\u5bb9\u6613\u56e0\u70ba\u5167\u61c9\u529b\u7684\u7522\u751f\u800c\u767c\u751f\u87ba\u7d72\u67f1\u9f9c\u88c2\u7684\u4e0d\u826f\u3002<\/font><\/p>\n

\u5176\u7406\u7531\u4e5f\u5f88\u7c21\u55ae\uff0c\u5c31\u662f\u300c\u71b1\u8139\u51b7\u7e2e\u300d\u7684\u539f\u7406\uff0c\u56e0\u70ba\u9285\u8cea\u7684\u57cb\u690d\u87ba\u7d72\u65bc\u74b0\u5883\u6eab\u5ea6\u4e0b\u63a5\u89f8\u5230\u5851\u81a0\u7194\u878d\u6642\u7684300\u00b0C\u5de6\u53f3\uff0c\u6b63\u7576\u57cb\u690d\u87ba\u7d72\u9084\u8655\u5728\u5feb\u901f\u52a0\u71b1\u53ca\u81a8\u8139\u904e\u7a0b\u4e2d\uff0c\u5916\u982d\u7684\u5851\u81a0\u5df2\u7d93\u958b\u59cb\u5728\u5feb\u901f\u7684\u51b7\u537b\u8207\u7e2e\u6536\u4e86\uff0c\u5916\u982d\u6536\u7e2e\uff0c\u5167\u90e8\u81a8\u8139\uff0c\u4e00\u7e2e\u4e00\u653e\u4e4b\u9593\u61c9\u529b\u5c31\u7522\u751f\u5728\u5851\u81a0\u8207\u57cb\u690d\u87ba\u7d72\u7684\u4ea4\u63a5\u4e4b\u8655\uff0c\u7576\u5851\u81a0\u7684\u5f37\u5ea6\u5c0f\u65bc\u5167\u61c9\u529b\u6642\uff0c\u5851\u81a0\u67f1\u5c31\u9019\u9ebc\u786c\u751f\u751f\u7684\u767c\u751f\u7834\u88c2\u4e86\u3002<\/font><\/p>\n

\u76f8\u95dc\u95b1\u8b80\uff1a<\/font>\u57cb\u690d\u87ba\u7d72\u5851\u81a0\u7834\u88c2\u554f\u984c\u63a2\u8a0e<\/font><\/a><\/p>\n<\/blockquote>\n

3. \u5851\u81a0\u7684\u5c04\u51fa\u689d\u4ef6\u5f71\u97ff\u4e0d\u4f73<\/font><\/h4>\n
\n

\u5851\u81a0\u5c04\u51fa\u6642\u5982\u679c\u4f7f\u7528\u8f03\u5c0f\u7684\u80cc\u58d3\u4e26\u7e2e\u77ed\u6642\u9593\uff0c\u53ef\u4ee5\u8b93\u5851\u81a0\u4e0d\u8981\u5c04\u5f97\u90a3\u592a\u98fd\uff0c\u53ef\u4ee5\u7a0d\u5fae\u964d\u4f4e\u57cb\u5165\u5c04\u51fa\u87ba\u7d72\u7684\u5167\u61c9\u529b\u767c\u751f\uff0c\u9019\u662f\u56e0\u70ba\u5851\u81a0\u67f1\u5f80\u5167\u64e0\u58d3\u7684\u529b\u91cf\u6703\u8b8a\u5c0f\uff0c\u56e0\u70ba\u64e0\u58d3\u57cb\u690d\u87ba\u7d72\u7684\u529b\u91cf\u5c31\u6703\u964d\u4f4e\u3002<\/font><\/p>\n

\u4e0d\u904e\u4f7f\u7528\u8f03\u5c0f\u7684\u80cc\u58d3\u53ca\u7e2e\u77ed\u5c04\u51fa\u6642\u9593\u4e5f\u5bb9\u6613\u7522\u751f\u672a\u98fd\u6599\u53ca\u7e2e\u6c34(Sink Marks)\u7b49\u7f3a\u9ede\uff0c\u4e5f\u53ef\u80fd\u964d\u4f4e\u9700\u8981\u627f\u53d7\u529b\u91cf\u7d50\u69cb\u8655\u7684\u5f37\u5ea6\uff0c\u4e0d\u53ef\u4e0d\u614e\u3002<\/font><\/p>\n<\/blockquote>\n

4. \u87ba\u7d72\u67f1\u5916\u5f91\u8a2d\u8a08\u7684\u7f3a\u5931<\/font><\/h4>\n
\n

\u6839\u64da\u57cb\u5165\u5c04\u51fa\u87ba\u7d72\u67f1\u7684\u8a2d\u8a08\u898f\u7bc4\uff08\u53c3\u8003DUPONT\u6587\u4ef6\u300eMolded-In Inserts: Precautions and Guidelines\u300f\uff09\uff0c\u8981\u6c42\u87ba\u7d72\u67f1\u7684\u5916\u76f4\u5f91\u5927\u7d04\u843d\u5728\u57cb\u690d\u87ba\u7d72\u5916\u5f91\u76841.5\u500d\u5c31\u53ef\u4ee5\u4e86\uff0c\u9664\u975e\u87ba\u7d72\u67f1\u7684\u5916\u76f4\u5f91\u5927\u65bc12.9mm(0.5")\u624d\u4e0d\u9700\u8981\u9075\u5b88\u3002\uff08\u53ea\u662f\u4e00\u822c\u7684\u87ba\u7d72\u67f1\u5468\u906d\u4e0d\u4e00\u5b9a\u6703\u6709\u8f14\u52a9\u808b\uff0c\u8981\u771f\u7684\u4f9d\u7167\u8a2d\u8a08\u898f\u7bc4\u5c07\u5916\u5f91\u8a2d\u8a08\u70ba1.5\u500d\u7684\u57cb\u5165\u9285\u91d8\u76f4\u5f91\uff0c\u9019\u74a7\u539a\u6703\u8b8a\u5f97\u76f8\u7576\u8584\uff0c\u5982\u679c\u662fM2.0\u4ee5\u4e0b\u7684\u87ba\u7d72\u6216\u8a31\u53ef\u4ee5\uff0c\u4f46\u5982\u679c\u662f\u76f4\u5f91\u6bd4\u8f03\u5927\u7684\u87ba\u7d72\uff0c\u500b\u4eba\u5efa\u8b70\u9084\u662f\u6703\u8a2d\u8a08\u57282.0\uff5e2.5\u500d\u4e4b\u9593\u6703\u6bd4\u8f03\u6d3d\u7576\uff09<\/font><\/p>\n

\u9019\u662f\u56e0\u70ba\u58c1\u539a\u8d8a\u5927\u7684\u87ba\u7d72\u67f1\uff0c\u5176\u51b7\u537b\u6642\u5f80\u5167\u6536\u7e2e\u7684\u5c3a\u5bf8\u5c31\u6703\u8d8a\u5927(\u87ba\u7d72\u5b54\u5167\u5f91\u6703\u8b8a\u5c0f)\uff0c\u76f8\u5c0d\u7684\u6240\u7522\u751f\u7684\u5f80\u5167\u64e0\u58d3\u7684\u61c9\u529b\u4e5f\u5c31\u8d8a\u5927\uff0c\u767c\u751f\u87ba\u7d72\u67f1\u7834\u88c2\u7684\u98a8\u96aa\u4e5f\u5c31\u8d8a\u9ad8\u3002<\/font><\/p>\n

\"\u6839\u64da\u57cb\u5165\u5c04\u51fa\u87ba\u7d72\u67f1\u7684\u8a2d\u8a08\u898f\u7bc4\uff08\u53c3\u8003DUPONT\u6587\u4ef6\u300eMolded-In<\/p>\n<\/blockquote>\n

\u9019\u88e1\u6709\u500b\u6709\u8da3\u7684\u89c0\u5ff5\u8981\u8b93\u5927\u5bb6\u60f3\u770b\u770b\uff0c\u540c\u6a23\u7684\u57cb\u690d\u87ba\u7d72\u5916\u5f91\uff0c\u5404\u81ea\u4f7f\u7528\u4e0b\u5217\u4e09\u7a2e\u5d4c\u5165\u88fd\u7a0b\uff0c\u5176\u87ba\u7d72\u67f1\u7684\u5916\u5f91\u5927\u5c0f\u9806\u5e8f\u70ba\u4f55\uff1f<\/font><\/p>\n