如何确定精密加工工序尺寸？

[[{"txt": "\u5408\u7406\u786e\u5b9a\u5de5\u5e8f\u5c3a\u5bf8\u662f\u7f6e\u9876\u5de5\u827a\u89c4\u7a0b\u7684\u91cd\u8981\u5de5\u4f5c\u4e4b\u4e00\uff0c\u90a3\u4e48\u4ec0\u4e48\u662f\u5de5\u5e8f\u5c3a\u5bf8\uff1f\u5de5\u5e8f\u5c3a\u5bf8\u662f\u6307\u6bcf\u9053\u5de5\u5e8f\u52a0\u5de5\u540e\u5e94\u8be5\u8fbe\u5230\u7684\u52a0\u5de5\u5c3a\u5bf8\uff0c\u662f\u4fdd\u8bc1\u52a0\u5de5\u7cbe\u5ea6\u7684\u91cd\u8981\u57fa\u7840\u3002\u4e0d\u540c\u60c5\u51b5\u4e0b\u7cbe\u5bc6\u52a0\u5de5\u5de5\u5e8f\u5c3a\u5bf8\u7684\u786e\u5b9a\u65b9\u6cd5\u662f\u4e0d\u540c\u7684\u3002\u4e09\u70b9\u786e\u5b9a\u5de5\u5e8f\u5c3a\u5bf8\uff1a"}, {"txt": "1.\u5bf9\u5916\u5706\u548c\u5185\u5b54\u7b49\u7b80\u5355\u52a0\u5de5\u7684\u60c5\u51b5\uff0c\u5de5\u5e8f\u5c3a\u5bf8\u53ef\u4ee5\u7531\u540e\u7eed\u52a0\u5de5\u7684\u5de5\u5e8f\u5c3a\u5bf8\u52a0\u4e0a\uff08\u5bf9\u4e8e\u88ab\u5305\u5bb9\u9762\uff09\u6216\u8005\u51cf\u53bb\uff08\u5bf9\u4e8e\u5305\u5bb9\u9762\uff09\u516c\u79f0\u5de5\u5e8f\u4f59\u91cf\u800c\u6c42\u5f97\uff0c\u5de5\u5e8f\u516c\u5dee\u6309\u6240\u7528\u52a0\u5de5\u65b9\u6cd5\u7684\u7ecf\u6d4e\u7cbe\u5ea6\u9009\u5b9a\u3002"}, {"txt": "2.\u5f53\u5de5\u4ef6\u4e0a\u7684\u4f4d\u7f6e\u5c3a\u5bf8\u7cbe\u5ea6\u6216\u6280\u672f\u8981\u6c42\u5728\u5de5\u827a\u8fc7\u7a0b\u4e2d\u662f\u7531\u4e24\u4e2a\u751a\u81f3\u66f4\u591a\u6709\u5173\u5de5\u5e8f\u5c3a\u5bf8\u3001\u516c\u5dee\u53ca\u6280\u672f\u8981\u6c42\u3002"}, {"txt": "3.\u5bf9\u4e8e\u540c\u4e00\u4f4d\u7f6e\u5c3a\u5bf8\u65b9\u5411\u6709\u8f83\u591a\u5c3a\u5bf8\uff0c\u52a0\u5de5\u65f6\u5b9a\u4f4d\u57fa\u51c6\u53c8\u9700\u8981\u591a\u6b21\u8f6c\u6362\u7684\u5de5\u4ef6\uff08\u5982\u8f74\u7c7b\u5de5\u4ef6\u52a0\u5de5\u3001\u5957\u540c\u7c7b\u5de5\u4ef6\u52a0\u5de5\u7b49\uff09\uff0c\u7531\u4e8e\u5de5\u5e8f\u5c3a\u5bf8\u76f8\u4e92\u8054\u7cfb\u7684\u5173\u7cfb\u6bd4\u8f83\u590d\u6742\uff08\u5982\u67d0\u4e9b\u8bbe\u8ba1\u5c3a\u5bf8\u4f5c\u4e3a\u5c01\u95ed\u73af\u88ab\u95f4\u63a5\u4fdd\u8bc1\uff0c\u52a0\u5de5\u4f59\u91cf\u6709\u8bef\u5dee\u7d2f\u8ba1\uff09\uff0c\u5c31\u9700\u8981\u4ece\u6574\u4e2a\u5de5\u827a\u8fc7\u7a0b\u7684\u89d2\u5ea6\u7528\u5de5\u827a\u5c3a\u5bf8\u94fe\u4f5c\u7efc\u5408\u8ba1\u7b97\uff0c\u4ee5\u6c42\u51fa\u5404\u5de5\u5e8f\u5c3a\u5bf8\u3001\u516c\u5dee\u53ca\u6280\u672f\u8981\u6c42\u3002"}]]