{"id":3423,"date":"2019-04-12T07:52:58","date_gmt":"2019-04-12T07:52:58","guid":{"rendered":"https:\/\/www.mcctcarbide.com\/?p=3423"},"modified":"2020-05-06T05:21:16","modified_gmt":"2020-05-06T05:21:16","slug":"relations-between-back-engagement-feed-and-feed-speed-and-their-calculation-fomula","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/zh\/%e5%9b%9e%e8%ae%a2%e8%bf%9b%e7%bb%99%e5%92%8c%e8%bf%9b%e7%bb%99%e9%80%9f%e5%ba%a6%e5%8f%8a%e5%85%b6%e8%ae%a1%e7%ae%97%e5%85%ac%e5%bc%8f%e4%b9%8b%e9%97%b4%e7%9a%84%e5%85%b3%e7%b3%bb\/","title":{"rendered":"\u53cd\u5411\u556e\u5408\uff0c\u8fdb\u7ed9\u548c\u8fdb\u7ed9\u901f\u5ea6\u4e4b\u95f4\u7684\u5173\u7cfb\u53ca\u5176\u8ba1\u7b97\u516c\u5f0f"},"content":{"rendered":"<div class=\"vgblk-rw-wrapper limit-wrapper\"><p>\u6570\u63a7\u7f16\u7a0b\u65f6\uff0c\u7a0b\u5e8f\u5458\u5fc5\u987b\u786e\u5b9a\u6bcf\u9053\u5de5\u5e8f\u7684\u5207\u524a\u7528\u91cf\uff0c\u5e76\u4f5c\u4e3a\u6307\u4ee4\u5199\u5165\u7a0b\u5e8f\u4e2d\u3002\u5207\u524a\u7528\u91cf\u5305\u62ec\u5207\u524a\u901f\u5ea6\u3001\u540e\u556e\u5408\u548c\u8fdb\u7ed9\u901f\u5ea6\u3002\u4e0d\u540c\u7684\u52a0\u5de5\u65b9\u6cd5\u9700\u8981\u4e0d\u540c\u7684\u5207\u524a\u7528\u91cf\u3002<\/p><p><strong>1<\/strong><strong>.<\/strong><strong>&nbsp;\u5207\u5272\u5242\u91cf\u7684\u9009\u62e9\u539f\u5219<\/strong><\/p><p>\u7c97\u52a0\u5de5\u65f6\uff0c\u4e00\u822c\u4ee5\u63d0\u9ad8\u751f\u4ea7\u7387\u4e3a\u4e3b\uff0c\u4f46\u4e5f\u8981\u8003\u8651\u7ecf\u6d4e\u6027\u548c\u52a0\u5de5\u6210\u672c\u3002\u5728\u534a\u7cbe\u52a0\u5de5\u548c\u7cbe\u52a0\u5de5\u7684\u60c5\u51b5\u4e0b\uff0c\u5e94\u5728\u4fdd\u8bc1\u52a0\u5de5\u8d28\u91cf\u7684\u524d\u63d0\u4e0b\u8003\u8651\u5207\u524a\u6548\u7387\u3001\u7ecf\u6d4e\u6027\u548c\u52a0\u5de5\u6210\u672c\u3002\u5177\u4f53\u6570\u503c\u5e94\u6839\u636e\u673a\u5668\u624b\u518c\u3001\u5207\u5272\u5242\u91cf\u624b\u518c\u3001\u7ecf\u9a8c\u800c\u5b9a\u3002<\/p><p>\u4ece\u5200\u5177\u7684\u8010\u7528\u6027\u51fa\u53d1\uff0c\u5207\u524a\u7528\u91cf\u7684\u9009\u62e9\u987a\u5e8f\u662f\u3002\u5148\u786e\u5b9a\u540e\u556e\u5408\uff0c\u518d\u786e\u5b9a\u8fdb\u7ed9\u91cf\uff0c\u6700\u540e\u786e\u5b9a\u5207\u524a\u901f\u5ea6\u3002<\/p><p><strong>2. \u80cc\u7ea6\u7684\u786e\u5b9a<\/strong><strong><\/strong><\/p><figure class=\"wp-block-gallery columns-1 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/cutting-tool.jpg\" alt=\"\" data-id=\"3425\" data-link=\"https:\/\/www.mcctcarbide.com\/?attachment_id=3425\" class=\"wp-image-3425\" title=\"\"><\/figure><\/li><\/ul><\/figure><p>\u540e\u556e\u5408\u7531\u673a\u5e8a\u3001\u5de5\u4ef6\u548c\u5200\u5177\u7684\u521a\u5ea6\u51b3\u5b9a\u3002\u5728\u521a\u5ea6\u5141\u8bb8\u7684\u60c5\u51b5\u4e0b\uff0c\u540e\u556e\u5408\u5e94\u5c3d\u53ef\u80fd\u4e0e\u5de5\u4ef6\u7684\u5e93\u5b58\u91cf\u76f8\u7b49\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u9053\u6b21\uff0c\u63d0\u9ad8\u751f\u4ea7\u6548\u7387\u3002<\/p><p>\u5982\u4f55\u786e\u5b9a\u53cd\u5411\u53c2\u4e0e\u7684\u539f\u5219\u3002<\/p><p>(1)\u5f53\u8981\u6c42\u5de5\u4ef6\u8868\u9762\u7c97\u7cd9\u5ea6\u503c\u4e3aRa12.5\u03bcm~25\u03bcm\u65f6\uff0c\u5982\u679cCNC\u52a0\u5de5\u7684\u5e93\u5b58\u91cf\u5c0f\u4e8e5mm~6mm\uff0c\u7c97\u52a0\u5de5\u4e00\u6b21\u5373\u53ef\u6ee1\u8db3\u8981\u6c42\u3002\u4f46\u5f53\u4f59\u91cf\u8f83\u5927\u3001\u5de5\u827a\u7cfb\u7edf\u521a\u6027\u5dee\u6216\u673a\u5668\u529f\u7387\u4e0d\u8db3\u65f6\uff0c\u53ef\u5206\u591a\u6b21\u8fdb\u7ed9\u3002<\/p><p>(2)\u5f53\u8981\u6c42\u5de5\u4ef6\u8868\u9762\u7c97\u7cd9\u5ea6\u503c\u4e3aRa3.2\u03bcm~12.5\u03bcm\u65f6\uff0c\u53ef\u5206\u4e3a\u7c97\u52a0\u5de5\u548c\u534a\u7cbe\u52a0\u5de5\u4e24\u4e2a\u6b65\u9aa4\u3002\u7c97\u52a0\u5de5\u65f6\u7684\u540e\u556e\u5408\u4e0e\u4ee5\u524d\u76f8\u540c\u3002\u7c97\u52a0\u5de5\u540e\u7559\u51fa0.5mm~1.0mm\u7684\u4f59\u91cf\uff0c\u534a\u7cbe\u52a0\u5de5\u65f6\u5207\u65ad\u3002<\/p><p>(3)\u5f53\u8981\u6c42\u5de5\u4ef6\u8868\u9762\u7c97\u7cd9\u5ea6\u503c\u4e3aRa0.8\u03bcm~3.2\u03bcm\u65f6\uff0c\u53ef\u5206\u4e09\u6b65\u8fdb\u884c\u3002\u7c97\u52a0\u5de5\u3001\u534a\u7cbe\u52a0\u5de5\u548c\u7cbe\u52a0\u5de5\u3002\u534a\u7cbe\u52a0\u5de5\u65f6\u7684\u540e\u556e\u5408\u9700\u89811.5mm~2mm\u3002\u7cbe\u52a0\u5de5\u65f6\u540e\u556e\u5408\u4e3a0.3mm~0.5mm\u3002<\/p><p><strong>3<\/strong><strong>.<\/strong><strong>&nbsp;\u9972\u6599\u7684\u786e\u5b9a<\/strong><strong><\/strong><\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/turning-lathe.png\" alt=\"\" class=\"wp-image-3424\" title=\"\"><\/figure><p>\u8fdb\u7ed9\u91cf\u4e3b\u8981\u6839\u636e\u96f6\u4ef6\u7684\u52a0\u5de5\u7cbe\u5ea6\u548c\u8868\u9762\u7c97\u7cd9\u5ea6\u8981\u6c42\u4ee5\u53ca\u5200\u5177\u548c\u5de5\u4ef6\u7684\u6750\u6599\u6765\u786e\u5b9a\u3002\u6700\u5927\u8fdb\u7ed9\u901f\u5ea6\u53d7\u673a\u5668\u521a\u5ea6\u548c\u8fdb\u7ed9\u7cfb\u7edf\u6027\u80fd\u7684\u9650\u5236\u3002<\/p><p>\u5982\u4f55\u786e\u5b9a\u8fdb\u7ed9\u901f\u5ea6\u3002<\/p><p>1\uff09\u5728\u80fd\u4fdd\u8bc1\u5de5\u4ef6\u8d28\u91cf\u8981\u6c42\u7684\u60c5\u51b5\u4e0b\uff0c\u4e3a\u63d0\u9ad8\u751f\u4ea7\u6548\u7387\uff0c\u53ef\u9009\u62e9\u8f83\u9ad8\u7684\u8fdb\u7ed9\u901f\u5ea6\u3002\u4e00\u822c\u5728100\uff5e200m\/min\u8303\u56f4\u5185\u9009\u62e9\u3002<\/p><p>2\uff09\u5207\u524a\u6216\u52a0\u5de5\u6df1\u5b54\u6216\u7528\u9ad8\u901f\u94a2\u5200\u5177\u52a0\u5de5\u65f6\uff0c\u5b9c\u9009\u62e9\u8f83\u4f4e\u7684\u8fdb\u7ed9\u901f\u5ea6\uff0c\u4e00\u822c\u572820\uff5e50m\/min\u8303\u56f4\u5185\u3002<\/p><p>3\uff09\u5f53\u52a0\u5de5\u7cbe\u5ea6\u548c\u8868\u9762\u7c97\u7cd9\u5ea6\u8f83\u9ad8\u65f6\uff0c\u8fdb\u7ed9\u901f\u5ea6\u5e94\u9009\u62e9\u8f83\u5c0f\uff0c\u4e00\u822c\u572820\uff5e50m\/min\u8303\u56f4\u5185\u3002<\/p><p>4\uff09\u5200\u5177\u5728\u7a7a\u884c\u7a0b\u65f6\uff0c\u7279\u522b\u662f\u8ddd\u79bb\u201c\u5f52\u96f6\u201d\u65f6\uff0c\u53ef\u9009\u62e9\u673a\u5e8a\u6570\u63a7\u7cfb\u7edf\u8bbe\u5b9a\u7684\u6700\u9ad8\u8fdb\u7ed9\u901f\u5ea6\u3002<\/p><p><strong>4<\/strong><strong>.<\/strong><strong>&nbsp;\u4e3b\u8f74\u8f6c\u901f\u7684\u786e\u5b9a<\/strong><strong><\/strong><\/p><p>\u4e3b\u8f74\u8f6c\u901f\u5e94\u6839\u636e\u5141\u8bb8\u7684\u5207\u524a\u901f\u5ea6\u548c\u5de5\u4ef6\uff08\u6216\u5200\u5177\uff09\u76f4\u5f84\u6765\u9009\u62e9\u3002\u5176\u8ba1\u7b97\u516c\u5f0f\u4e3a\u3002<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/cutting-tool-1.jpg\" alt=\"\" class=\"wp-image-3426\" title=\"\"><\/figure><p>n=1000*v\/\u03c0*D<\/p><p>v&#8212;-cutting speed, in m\/min, determined by the durability of the tool;<\/p><p>N&#8212;-spindle speed, the unit is r\/min;<\/p><p>D&#8212;-diameter of work piece or tool diameter in mm.<\/p><p>\u8ba1\u7b97\u51fa\u7684\u4e3b\u8f74\u8f6c\u901fn\u6700\u7ec8\u6839\u636e\u673a\u5e8a\u624b\u518c\u9009\u62e9\u4e3a\u4e0e\u673a\u5e8a\u6bd4\u8f83\u63a5\u8fd1\u7684\u8f6c\u901f\u3002<\/p><p>\u603b\u4e4b\uff0c\u5207\u5272\u5242\u91cf\u7684\u5177\u4f53\u6570\u503c\u5e94\u6839\u636e\u673a\u5668\u6027\u80fd\u3001\u76f8\u5173\u624b\u518c\u548c\u5b9e\u8df5\u7ecf\u9a8c\u7c7b\u63a8\u786e\u5b9a\u3002\u540c\u65f6\uff0c\u4e3b\u8f74\u8f6c\u901f\u3001\u5207\u6df1\u548c\u8fdb\u7ed9\u901f\u5ea6\u53ef\u76f8\u4e92\u9002\u5e94\uff0c\u5f62\u6210\u6700\u4f73\u5207\u524a\u7528\u91cf\u3002<\/p><p><strong>5<\/strong><strong>.<\/strong><strong>&nbsp;\u53c2\u8003\u516c\u5f0f<\/strong><\/p><p>1) \u540e\u8ba2\u5a5a (ap)<\/p><p>\u88ab\u52a0\u5de5\u8868\u9762\u4e0e\u88ab\u52a0\u5de5\u8868\u9762\u4e4b\u95f4\u7684\u5782\u76f4\u8ddd\u79bb\u79f0\u4e3a\u540e\u556e\u5408\u3002\u540e\u556e\u5408\u662f\u7531\u5207\u524a\u70b9\u57fa\u70b9\u6d4b\u91cf\u5e76\u5782\u76f4\u4e8e\u5de5\u4f5c\u5e73\u9762\u7684\u556e\u5408\u3002\u5b83\u662f\u6bcf\u6b21\u8fdb\u7ed9\u8f66\u5200\u8fdb\u5165\u5de5\u4ef6\u7684\u6df1\u5ea6\uff0c\u56e0\u6b64\u79f0\u4e3a\u5207\u524a\u6df1\u5ea6\u3002\u6839\u636e\u6b64\u5b9a\u4e49\uff0c\u5982\u5728\u5367\u5f0f\u8f6c\u5706\u67f1\u8f66\u5e8a\u4e2d\uff0c\u5176\u540e\u556e\u5408\u53ef\u8ba1\u7b97\u5982\u4e0b\u3002<\/p><p>Ap = (dw-dm)\/2<\/p><p>In the formula ap&#8212;-back engagement(mm);<\/p><p>Dw&#8212;-surface diameter of the workpiece to be machined (mm);<\/p><p>Dm&#8212;-The surface diameter (mm) of the workpiece has been machined.<\/p><p><strong>\u793a\u4f8b 1<\/strong><strong>.<\/strong>&nbsp;\u5df2\u77e5\u5f85\u52a0\u5de5\u8868\u9762\u7684\u76f4\u5f84\u4e3a\u03a695mm\uff1b\u73b0\u5728\u9001\u6599\u8f66\u76f4\u5f84\u4e3a\u03a690mm\uff0c\u5e76\u5bfb\u6c42\u56de\u556e\u5408\u3002<\/p><p>\u89e3\u51b3\u65b9\u6848\u3002 ap=(dw-dm)\/2=(95-90)\/2=2.5mm<\/p><p>2) \u9972\u6599 (f)<\/p><p>\u5de5\u4ef6\u6216\u5200\u5177\u6bcf\u8f6c\u4e00\u5708\uff0c\u5200\u5177\u4e0e\u5de5\u4ef6\u5728\u8fdb\u7ed9\u8fd0\u52a8\u65b9\u5411\u4e0a\u7684\u76f8\u5bf9\u4f4d\u79fb\u3002\u6309\u8fdb\u7ed9\u65b9\u5411\u5206\u4e3a\u6a2a\u5411\u8fdb\u7ed9\u548c\u6a2a\u5411\u8fdb\u7ed9\u3002\u6a2a\u5411\u8fdb\u7ed9\u662f\u6307\u6cbf\u5e8a\u8eab\u5bfc\u8f68\u65b9\u5411\u8fdb\u7ed9\uff0c\u6a2a\u5411\u8fdb\u7ed9\u662f\u6307\u5782\u76f4\u4e8e\u5e8a\u8eab\u5bfc\u8f68\u65b9\u5411\u8fdb\u7ed9\u3002<\/p><p>\u8fdb\u7ed9\u901f\u5ea6 vf \u662f\u5207\u524a\u5203\u4e0a\u9009\u5b9a\u70b9\u76f8\u5bf9\u4e8e\u5de5\u4ef6\u8fdb\u7ed9\u79fb\u52a8\u7684\u77ac\u65f6\u901f\u5ea6\u3002<\/p><p>Vf=f*n<\/p><p>Where vf&#8212;-feed speed(mm\/s);<\/p><p>N&#8212;-spindle speed(r\/s);<\/p><p>f&#8212;-feed(mm \/s).<\/p><p>3\uff09\u5207\u524a\u901f\u5ea6\uff08vc\uff09<\/p><p>\u5207\u524a\u5203\u4e0a\u9009\u5b9a\u70b9\u76f8\u5bf9\u4e8e\u5de5\u4ef6\u7684\u4e3b\u8fd0\u52a8\u7684\u77ac\u65f6\u901f\u5ea6\u3002<\/p><p>Vc=(\u03c0*dw*n)\/1000<\/p><p>In the formula vc&#8212;-cutting speed (m\/min);<\/p><p>Dw&#8212;-surface diameter of the workpiece to be machined (mm);<\/p><p>n&#8212;-Workpiece speed (r\/min).<\/p><p>\u8ba1\u7b97\u65f6\u5e94\u4ee5\u6700\u5927\u5207\u524a\u901f\u5ea6\u4e3a\u6807\u51c6\u3002\u4f8b\u5982\uff0c\u5728\u4f7f\u7528\u673a\u5e8a\u65f6\uff0c\u7531\u4e8e\u901f\u5ea6\u6700\u9ad8\uff0c\u5200\u5177\u78e8\u635f\u6700\u5feb\uff0c\u6240\u4ee5\u8ba1\u7b97\u51fa\u8981\u52a0\u5de5\u7684\u8868\u9762\u76f4\u5f84\u7684\u503c\u3002<\/p><p><strong>\u793a\u4f8b 2<\/strong><strong>.<\/strong>&nbsp;\u5de5\u4ef6\u5916\u5f84\u76f4\u5f84\u4e3a\u03a660mm\uff0c\u9009\u7528\u7684\u8f66\u5e8a\u4e3b\u8f74\u8f6c\u901f\u4e3a600r\/min\uff0cvc<\/p><p>\u89e3\u51b3\u65b9\u6848\u3002 vc=(\u03c0*d*w*n)\/1000 = 3.14x60x600\/1000 = 113 m\/min<\/p><p>\u5728\u5b9e\u9645\u751f\u4ea7\u4e2d\uff0c\u5b83\u901a\u5e38\u88ab\u79f0\u4e3a\u5de5\u4ef6\u7684\u76f4\u5f84\u3002\u6839\u636e\u5de5\u4ef6\u6750\u6599\u3001\u5200\u5177\u6750\u6599\u548c\u52a0\u5de5\u8981\u6c42\uff0c\u9009\u62e9\u5207\u524a\u901f\u5ea6\uff0c\u7136\u540e\u5c06\u5207\u524a\u901f\u5ea6\u6362\u7b97\u6210\u8f66\u5e8a\u4e3b\u8f74\u8f6c\u901f\uff0c\u4ee5\u4fbf\u8c03\u6574\u8f66\u5e8a\uff0c\u5f97\u5230\u5982\u4e0b\u516c\u5f0f\u3002<\/p><p><strong>n=(1000*vc)\/\u03c0*dw<\/strong><\/p><p><strong>\u793a\u4f8b 3\uff1a<\/strong>&nbsp;\u5728CA6140\u5367\u5f0f\u8f66\u5e8a\u03a6260mm\u76ae\u5e26\u8f6e\u5916\u5706\u4e0a\uff0c\u9009vc\u4e3a90m\/min\uff0c\u6c42n\u3002<\/p><p>Solution: n=( 1000*vc)\/ \u03c0*dw=(1000&#215;90)\/ (3.14&#215;260) =110r\/min<\/p><p>\u8ba1\u7b97\u8f66\u5e8a\u4e3b\u8f74\u8f6c\u901f\u540e\uff0c\u5e94\u9009\u62e9\u63a5\u8fd1\u94ed\u724c\u7684\u6570\u503c\uff0c\u5373\u9009\u62e9n=100r\/min\u4f5c\u4e3a\u8f66\u5e8a\u7684\u5b9e\u9645\u8f6c\u901f\u3002<\/p><p><strong>6.\u603b\u7ed3<\/strong><\/p><p>\u5207\u524a\u7528\u91cf\u7684\u4e09\u4e2a\u56e0\u7d20\u662f\u5207\u524a\u901f\u5ea6\uff08vc\uff09\u3001\u8fdb\u7ed9\u91cf\uff08f\uff09\u3001\u8fdb\u7ed9\u901f\u5ea6\uff08vf\uff09\u3001\u540e\u556e\u5408\u5ea6\uff08ap\uff09\u7684\u603b\u79f0\u3002<\/p><p>1.\u80cc\u556e\u5408ap(mm)&nbsp;<\/p><p>ap=\uff08dw-dm) \/ 2<\/p><p>2.\u8fdb\u7ed9f(mm\/r)<\/p><p>vf=f*n<\/p><p>3.\u5207\u5272\u901f\u5ea6vc(m\/min)<\/p><p>vc=(\u03c0*dw*n)\/1000<\/p><\/div><!-- .vgblk-rw-wrapper -->","protected":false},"excerpt":{"rendered":"<p>\u3000During NC programming, the programmer must determine the cutting dosage for each process and write it in the program as an instruction. Cutting dosage includes cutting speed, back engagement and feed speed. Different cutting dosages are required for different processing methods. 1.&nbsp;the selection principle of cutting dosage When roughing, it is generally based on improving&#8230;<\/p>","protected":false},"author":2,"featured_media":19344,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[92],"tags":[],"class_list":["post-3423","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cutting-tools-weekly"],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/04\/4.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/posts\/3423","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/comments?post=3423"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/posts\/3423\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/media\/19344"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/media?parent=3423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/categories?post=3423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/tags?post=3423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}