.<\/strong> \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>\n\n\n\n\u89e3\u51b3\u65b9\u6848\u3002 ap=(dw-dm)\/2=(95-90)\/2=2.5mm<\/p>\n\n\n\n
2) \u9972\u6599 (f)<\/p>\n\n\n\n
\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>\n\n\n\n
\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>\n\n\n\n
Vf=f*n<\/p>\n\n\n\n
Where vf—-feed speed(mm\/s);<\/p>\n\n\n\n
N—-spindle speed(r\/s);<\/p>\n\n\n\n
f—-feed(mm \/s).<\/p>\n\n\n\n
3\uff09\u5207\u524a\u901f\u5ea6\uff08vc\uff09<\/p>\n\n\n\n
\u5207\u524a\u5203\u4e0a\u9009\u5b9a\u70b9\u76f8\u5bf9\u4e8e\u5de5\u4ef6\u7684\u4e3b\u8fd0\u52a8\u7684\u77ac\u65f6\u901f\u5ea6\u3002<\/p>\n\n\n\n
Vc=(\u03c0*dw*n)\/1000<\/p>\n\n\n\n
In the formula vc—-cutting speed (m\/min);<\/p>\n\n\n\n
Dw—-surface diameter of the workpiece to be machined (mm);<\/p>\n\n\n\n
n—-Workpiece speed (r\/min).<\/p>\n\n\n\n
\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>\n\n\n\n
\u793a\u4f8b 2<\/strong>.<\/strong> \u5de5\u4ef6\u5916\u5f84\u76f4\u5f84\u4e3a\u03a660mm\uff0c\u9009\u7528\u7684\u8f66\u5e8a\u4e3b\u8f74\u8f6c\u901f\u4e3a600r\/min\uff0cvc<\/p>\n\n\n\n\u89e3\u51b3\u65b9\u6848\u3002 vc=(\u03c0*d*w*n)\/1000 = 3.14x60x600\/1000 = 113 m\/min<\/p>\n\n\n\n
\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>\n\n\n\n
n=(1000*vc)\/\u03c0*dw<\/strong><\/p>\n\n\n\n\u793a\u4f8b 3\uff1a<\/strong> \u5728CA6140\u5367\u5f0f\u8f66\u5e8a\u03a6260mm\u76ae\u5e26\u8f6e\u5916\u5706\u4e0a\uff0c\u9009vc\u4e3a90m\/min\uff0c\u6c42n\u3002<\/p>\n\n\n\nSolution: n=( 1000*vc)\/ \u03c0*dw=(1000×90)\/ (3.14×260) =110r\/min<\/p>\n\n\n\n
\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>\n\n\n\n
6.\u603b\u7ed3<\/strong><\/p>\n\n\n\n\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>\n\n\n\n
1.\u80cc\u556e\u5408ap(mm) <\/p>\n\n\n\n
ap=\uff08dw-dm) \/ 2<\/p>\n\n\n\n
2.\u8fdb\u7ed9f(mm\/r)<\/p>\n\n\n\n
vf=f*n<\/p>\n\n\n\n
3.\u5207\u5272\u901f\u5ea6vc(m\/min)<\/p>\n\n\n\n
vc=(\u03c0*dw*n)\/1000<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
\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. the selection principle of cutting dosage When roughing, it is generally based on improving…<\/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":[],"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"}],"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}]}}