{"id":70991,"date":"2024-06-25T13:17:00","date_gmt":"2024-06-25T05:17:00","guid":{"rendered":"https:\/\/xometry.asia\/%e7%82%ba-cnc-%e5%8a%a0%e5%b7%a5%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e8%a1%a8%e9%9d%a2%e7%b2%97%e7%b3%99%e5%ba%a6\/"},"modified":"2025-08-13T14:17:09","modified_gmt":"2025-08-13T06:17:09","slug":"selecting-right-surface-roughness-for-cnc-machining","status":"publish","type":"post","link":"https:\/\/staging-wp.xometry.hk\/zh-hant\/selecting-right-surface-roughness-for-cnc-machining\/","title":{"rendered":"\u70baCNC\u52a0\u5de5\u9078\u64c7\u5408\u9069\u7684\u8868\u9762\u7c97\u7cd9\u5ea6"},"content":{"rendered":"\n<p>CNC\u52a0\u5de5\u662f\u4e00\u7a2e\u9ad8\u5ea6\u7cbe\u78ba\u548c\u7cbe\u5bc6\u7684\u88fd\u9020\u5de5\u85dd\uff0c\u53ef\u4ee5\u88fd\u9020\u51fa\u516c\u5dee\u5c0f\u81f30.025\u6beb\u7c73\u7684\u96f6\u4ef6\u3002\u7531\u65bc\u5b83\u662f\u4e00\u7a2e\u57fa\u65bc\u6e1b\u6cd5\u7684\u88fd\u9020\u65b9\u6cd5\uff0c\u5728\u96f6\u4ef6\u7684\u52a0\u5de5\u904e\u7a0b\u4e2d\u96e3\u514d\u6703\u5728\u6210\u54c1\u8868\u9762\u7559\u4e0b\u7d30\u5fae\u7684\u5207\u75d5\uff0c\u9019\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u5c0e\u81f4\u4e86\u8868\u9762\u7684\u7c97\u7cd9\u5ea6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u4ec0\u9ebc\u662f\u8868\u9762\u7c97\u7cd9\u5ea6\">\u4ec0\u9ebc\u662f\u8868\u9762\u7c97\u7cd9\u5ea6\uff1f<\/h2>\n\n\n\n<p>\u8868\u9762\u7c97\u7cd9\u5ea6\u662f\u5c0d\u96f6\u4ef6\u8868\u9762\u5e73\u5747\u7d0b\u7406\u7684\u6e2c\u91cf\uff0c\u9019\u88e1\u6307\u7684\u662f\u6578\u63a7\u52a0\u5de5\u5f8c\u7684\u8868\u9762\u7c97\u7cd9\u5ea6\u3002\u6709\u4e0d\u540c\u7684\u53c3\u6578\u7528\u65bc\u5b9a\u7fa9\u8868\u9762\u7c97\u7cd9\u5ea6\uff0c\u5176\u4e2dRa\uff08\u5e73\u5747\u7c97\u7cd9\u5ea6\uff09\u662f\u6bd4\u8f03\u5e38\u898b\u7684\u3002Ra\u662f\u901a\u904e\u8a08\u7b97\u8868\u9762\u9ad8\u5ea6\u548c\u6df1\u5ea6\u4e4b\u9593\u7684\u5dee\u7570\u5f97\u51fa\u7684\u3002\u5728\u986f\u5fae\u93e1\u4e0b\u9032\u884c\u6e2c\u91cf\u6642\uff0cRa\u901a\u5e38\u4ee5\u5fae\u7c73\uff08\u00d710\u207b\u2076 m\uff09\u70ba\u55ae\u4f4d\u9032\u884c\u91cf\u5316\u3002\u9700\u8981\u660e\u78ba\u7684\u662f\uff0c\u8868\u9762\u7c97\u7cd9\u5ea6\u8207\u8868\u9762\u5149\u6f54\u5ea6\u662f\u5169\u500b\u4e0d\u540c\u7684\u6982\u5ff5\u3002\u5118\u7ba1\u900f\u904e\u5982\u967d\u6975\u6c27\u5316\u3001\u5674\u7802\u548c\u96fb\u934d\u7b49\u7cbe\u52a0\u5de5\u6280\u8853\u53ef\u4ee5\u6539\u5584\u6a5f\u52a0\u5de5\u96f6\u4ef6\u7684\u8868\u9762\u5149\u6f54\u5ea6\uff0c\u4f46\u8868\u9762\u7c97\u7cd9\u5ea6\u7279\u6307\u96f6\u4ef6\u52a0\u5de5\u5f8c\u76f4\u63a5\u5448\u73fe\u7684\u8868\u9762\u7d0b\u7406\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u5982\u4f55\u5be6\u73fe\u4e0d\u540c\u7684\u8868\u9762\u7c97\u7cd9\u5ea6\">\u5982\u4f55\u5be6\u73fe\u4e0d\u540c\u7684\u8868\u9762\u7c97\u7cd9\u5ea6\uff1f<\/h2>\n\n\n\n<p>\u901a\u5e38\u96f6\u4ef6\u52a0\u5de5\u5f8c\u7684\u8868\u9762\u7c97\u7cd9\u5ea6\u4e26\u975e\u96a8\u6a5f\u7522\u751f\uff0c\u800c\u662f\u7d93\u904e\u7cbe\u5fc3\u7b56\u5283\u548c\u63a7\u5236\u4ee5\u9054\u5230\u7279\u5b9a\u6a19\u6e96\u3002\u9019\u610f\u5473\u8457\u8868\u9762\u7c97\u7cd9\u5ea6\u503c\u662f\u9810\u5148\u8a2d\u5b9a\u7684\u3002\u7136\u800c\uff0c\u9019\u4e26\u4e0d\u610f\u5473\u8457\u53ef\u4ee5\u96a8\u610f\u6307\u5b9a\u4efb\u4f55\u503c\u3002\u5728\u88fd\u9020\u884c\u696d\u4e2d\uff0c\u5b58\u5728\u4e00\u7cfb\u5217\u88ab\u5ee3\u6cdb\u63a5\u53d7\u7684Ra\u503c\u6a19\u6e96\uff0c\u5982ISO 4287\u6240\u898f\u5b9a\uff0c\u9019\u4e9b\u6a19\u6e96\u5728\u6578\u63a7\u52a0\u5de5\u904e\u7a0b\u4e2d\u53ef\u4ee5\u660e\u78ba\u6307\u5b9a\u3002\u9019\u4e9b\u6a19\u6e96\u503c\u7684\u7bc4\u570d\u5ee3\u6cdb\uff0c\u5f9e25\u5fae\u7c73\u52300.025\u5fae\u7c73\u4e0d\u7b49\uff0c\u4ee5\u6eff\u8db3\u4e0d\u540c\u88fd\u9020\u548c\u5f8c\u8655\u7406\u64cd\u4f5c\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<p><strong>\u6211\u5011\u63d0\u4f9b\u56db\u7a2e\u8868\u9762\u7c97\u7cd9\u5ea6\u7b49\u7d1a\uff0c\u9019\u4e9b\u7b49\u7d1a\u4e5f\u662f\u6578\u63a7\u52a0\u5de5\u61c9\u7528\u7684\u5178\u578b\u6307\u5b9a\u503c\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3.2 \u03bcm Ra<\/li>\n\n\n\n<li>1.6 \u03bcm Ra<\/li>\n\n\n\n<li>0.8 \u03bcm Ra<\/li>\n\n\n\n<li>0.4 \u03bcm Ra<\/li>\n<\/ul>\n\n\n\n<p>\u4e0d\u540c\u7684\u61c9\u7528\u5c0d\u8868\u9762\u7c97\u7cd9\u5ea6\u6709\u8457\u4e0d\u540c\u7684\u8981\u6c42\u3002\u53ea\u6709\u5728\u7279\u5b9a\u9700\u6c42\u4e0b\uff0c\u624d\u6703\u6307\u5b9a\u8f03\u4f4e\u7684\u8868\u9762\u7c97\u7cd9\u5ea6\u3002\u9019\u662f\u56e0\u70ba\u8f03\u4f4e\u7684Ra\u503c\u610f\u5473\u8457\u9700\u8981\u66f4\u591a\u7684\u52a0\u5de5\u64cd\u4f5c\u548c\u66f4\u56b4\u683c\u7684\u8cea\u91cf\u63a7\u5236\uff0c\u9019\u5c07\u4e0d\u53ef\u907f\u514d\u5730\u589e\u52a0\u52a0\u5de5\u6210\u672c\u548c\u6642\u9593\u3002\u56e0\u6b64\uff0c\u5728\u9700\u8981\u7279\u5b9a\u8868\u9762\u7c97\u7cd9\u5ea6\u7684\u60c5\u6cc1\u4e0b\uff0c\u901a\u5e38\u4e0d\u6703\u9996\u9078\u5f8c\u8655\u7406\u64cd\u4f5c\uff0c\u56e0\u70ba\u9019\u4e9b\u64cd\u4f5c\u96e3\u4ee5\u7cbe\u78ba\u63a7\u5236\uff0c\u53ef\u80fd\u6703\u5c0d\u96f6\u4ef6\u7684\u5c3a\u5bf8\u516c\u5dee\u7522\u751f\u4e0d\u5229\u5f71\u97ff\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1440\" height=\"1282\" src=\"https:\/\/xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/surface-roughness-CNC-machining-1440x1282.jpeg\" alt=\"\" class=\"wp-image-8736\" style=\"width:720px;height:641px\" srcset=\"https:\/\/staging-wp.xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/surface-roughness-CNC-machining-1440x1282.jpeg 1440w, https:\/\/staging-wp.xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/surface-roughness-CNC-machining-480x427.jpeg 480w, https:\/\/staging-wp.xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/surface-roughness-CNC-machining-768x684.jpeg 768w, https:\/\/staging-wp.xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/surface-roughness-CNC-machining-1536x1368.jpeg 1536w, https:\/\/staging-wp.xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/surface-roughness-CNC-machining-2048x1824.jpeg 2048w, https:\/\/staging-wp.xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/surface-roughness-CNC-machining-1600x1425.jpeg 1600w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" \/><figcaption class=\"wp-element-caption\">CNC\u9291\u524a\u548c\u8eca\u524a\u7684\u8868\u9762\u7c97\u7cd9\u5ea6\u6bd4\u8f03<\/figcaption><\/figure>\n\n\n\n<p>\u5728\u67d0\u4e9b\u61c9\u7528\u4e2d\uff0c\u8868\u9762\u7c97\u7cd9\u5ea6\u5c0d\u96f6\u4ef6\u7684\u529f\u80fd\u3001\u6027\u80fd\u548c\u8010\u7528\u6027\u5177\u6709\u986f\u8457\u5f71\u97ff\u3002\u5b83\u76f4\u63a5\u95dc\u4fc2\u5230\u96f6\u4ef6\u5728\u4f7f\u7528\u904e\u7a0b\u4e2d\u7684\u6469\u64e6\u4fc2\u6578\u3001\u566a\u97f3\u6c34\u5e73\u3001\u78e8\u640d\u7a0b\u5ea6\u3001\u767c\u71b1\u60c5\u6cc1\u4ee5\u53ca\u7c98\u5408\u6027\u3002\u9019\u4e9b\u56e0\u7d20\u7684\u91cd\u8981\u6027\u56e0\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\u800c\u7570\u3002\u56e0\u6b64\uff0c\u5118\u7ba1\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u96f6\u4ef6\u7684\u8868\u9762\u7c97\u7cd9\u5ea6\u53ef\u80fd\u4e26\u4e0d\u986f\u5f97\u90a3\u9ebc\u95dc\u9375\uff0c\u4f46\u5728\u8a31\u591a\u5176\u4ed6\u61c9\u7528\u4e2d\uff0c\u5b83\u537b\u8d77\u8457\u81f3\u95dc\u91cd\u8981\u7684\u4f5c\u7528\u3002\u9019\u4e9b\u61c9\u7528\u5834\u666f\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\u9ad8\u5f35\u529b\u3001\u9ad8\u61c9\u529b\u548c\u9ad8\u632f\u52d5\u74b0\u5883\u3001\u9700\u8981\u7cbe\u78ba\u914d\u5408\u548c\u9806\u66a2\u79fb\u52d5\u7684\u7d44\u4ef6\u3001\u5feb\u901f\u65cb\u8f49\u7684\u90e8\u4ef6\u4ee5\u53ca\u91ab\u7642\u690d\u5165\u7269\u7b49\u3002\u6b63\u5982\u4e4b\u524d\u6240\u8ff0\uff0c\u4e0d\u540c\u7684\u61c9\u7528\u5c0d\u8868\u9762\u7c97\u7cd9\u5ea6\u6709\u8457\u5404\u4e0d\u76f8\u540c\u7684\u56b4\u683c\u8981\u6c42\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u5c07\u4ecb\u7d39 Xometry\u64c7\u51aa\u6240\u63d0\u4f9b\u7684\u7c97\u7cd9\u5ea6\u7b49\u7d1a\uff0c\u4ee5\u53ca\u70ba\u60a8\u7684\u61c9\u7528\u9078\u64c7\u5408\u9069\u7684 Ra \u503c\u6240\u9700\u4e86\u89e3\u7684\u6240\u6709\u4fe1\u606f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-3-2-\u03bcm-ra\"><strong>3.2 \u03bcm Ra<\/strong><\/h2>\n\n\n\n<p>\u9019\u662f\u6a19\u6e96\u7684\u5546\u7528\u6a5f\u5668\u8868\u9762\u8655\u7406\u3002\u5b83\u9069\u7528\u65bc\u5927\u591a\u6578\u6d88\u8cbb\u96f6\u4ef6\uff0c\u8db3\u5920\u5149\u6ed1\uff0c\u4f46\u542b\u6709\u660e\u986f\u7684\u5207\u75d5\u3002\u9664\u975e\u53e6\u6709\u898f\u5b9a\uff0c\u5426\u5247\u9ed8\u8a8d\u63a1\u7528\u9019\u7a2e\u8868\u9762\u7c97\u7cd9\u5ea6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"422\" src=\"https:\/\/xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/cut-marks-480x422.jpeg\" alt=\"\" class=\"wp-image-55167\" srcset=\"https:\/\/staging-wp.xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/cut-marks-480x422.jpeg 480w, https:\/\/staging-wp.xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/cut-marks-1440x1265.jpeg 1440w, https:\/\/staging-wp.xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/cut-marks-768x675.jpeg 768w, https:\/\/staging-wp.xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/cut-marks-1536x1350.jpeg 1536w, https:\/\/staging-wp.xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/cut-marks-1600x1406.jpeg 1600w, https:\/\/staging-wp.xometry.hk\/wp-content\/uploads\/sites\/5\/2021\/01\/cut-marks.jpeg 1914w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\">3.2&nbsp; \u03bcm Ra \u7684\u52a0\u5de5\u5207\u75d5<\/figcaption><\/figure>\n\n\n\n<p>3.2 \u03bcm Ra \u662f\u5efa\u8b70\u7528\u65bc\u627f\u53d7\u61c9\u529b\u3001\u8ca0\u8f09\u548c\u632f\u52d5\u7684\u96f6\u4ef6\u7684\u6700\u5927\u8868\u9762\u7c97\u7cd9\u5ea6\u3002\u7576\u8ca0\u8f09\u8f03\u8f15\u3001\u904b\u52d5\u7de9\u6162\u6642\uff0c\u5b83\u4e5f\u53ef\u7528\u65bc\u904b\u52d5\u8868\u9762\u7684\u914d\u5408\u3002\u52a0\u5de5\u6642\u8981\u9ad8\u901f\u3001\u7d30\u9032\u7d66\u3001\u8f15\u5207\u524a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-1-6-\u03bcm-ra\"><strong>1.6 \u03bcm Ra<\/strong><\/h2>\n\n\n\n<p>\u901a\u5e38\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u8a72\u9078\u9805\u53ea\u6703\u6709\u8f15\u5fae\u53ef\u898b\u7684\u5207\u5272\u75d5\u8de1\u3002\u6b64 Ra \u503c\u5efa\u8b70\u7528\u65bc\u7dca\u5bc6\u914d\u5408\u548c\u53d7\u529b\u96f6\u4ef6\uff0c\u5c0d\u65bc\u7de9\u6162\u79fb\u52d5\u548c\u8f15\u8ca0\u8f09\u8868\u9762\u4e5f\u8db3\u5920\u3002\u4f46\u5b83\u4e0d\u9069\u7528\u65bc\u5feb\u901f\u65cb\u8f49\u90e8\u4ef6\u548c\u5287\u70c8\u632f\u52d5\u90e8\u4ef6\u3002\u9019\u7a2e\u8868\u9762\u7c97\u7cd9\u5ea6\u662f\u5728\u53d7\u63a7\u689d\u4ef6\u4e0b\uff0c\u901a\u904e\u9ad8\u901f\u3001\u7d30\u9032\u7d66\u548c\u8f15\u5207\u524a\u52a0\u5de5\u51fa\u4f86\u7684\u3002<\/p>\n\n\n\n<p><strong>\u50f9\u683c<\/strong>\uff1a\u5c0d\u65bc\u6a19\u6e96\u92c1\u5408\u91d1\uff08\u5982 3.1645\uff09\uff0c\u8a72\u9078\u9805\u6703\u4f7f\u751f\u7522\u50f9\u683c\u589e\u52a0\u7d04 2.5%\u3002\u96a8\u8457\u96f6\u4ef6\u7684\u8907\u96dc\u7a0b\u5ea6\u589e\u52a0\uff0c\u50f9\u683c\u4e5f\u6703\u589e\u52a0\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-0-8-\u03bcm-ra\"><strong>0.8 \u03bcm Ra<\/strong><\/h2>\n\n\n\n<p>\u9019\u7a2e\u8868\u9762\u5149\u6f54\u5ea6\u88ab\u8a8d\u70ba\u662f\u9ad8\u7b49\u7d1a\u7684\uff0c\u751f\u7522\u6642\u9700\u8981\u975e\u5e38\u56b4\u683c\u7684\u63a7\u5236\uff0c\u56e0\u6b64\u6210\u672c\u8f03\u9ad8\u3002\u9069\u7528\u65bc\u61c9\u529b\u96c6\u4e2d\u7684\u96f6\u4ef6\u3002\u7576\u904b\u52d5\u5076\u723e\u767c\u751f\u3001\u8ca0\u8f09\u8f03\u8f15\u6642\uff0c\u53ef\u7528\u65bc\u8ef8\u627f\u3002<\/p>\n\n\n\n<p><strong>\u50f9\u683c<\/strong>\uff1a\u5c0d\u65bc\u6a19\u6e96\u92c1\u5408\u91d1\uff08\u5982 3.1645\uff09\uff0c\u8a72\u9078\u9805\u6703\u4f7f\u751f\u7522\u50f9\u683c\u589e\u52a0\u7d04 5%\u3002\u96a8\u8457\u96f6\u4ef6\u7684\u8907\u96dc\u7a0b\u5ea6\u589e\u52a0\uff0c\u50f9\u683c\u4e5f\u6703\u589e\u52a0\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-0-4-\u03bcm-ra\"><strong>0.4 \u03bcm 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