{"id":4742,"date":"2016-08-24T08:15:00","date_gmt":"2016-08-24T00:15:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=4742"},"modified":"2022-10-09T10:58:03","modified_gmt":"2022-10-09T02:58:03","slug":"when-use-ppk-cpk","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2016\/08\/when-use-ppk-cpk\/","title":{"rendered":"\u751f\u7522\u88fd\u7a0b\u4e2d\u4f55\u6642\u8a72\u76e3\u63a7Cpk\uff1f\u4f55\u6642\u4f7f\u7528Ppk\u5462\uff1f"},"content":{"rendered":"\n

<\/font><\/p>\n

Cpk\u8207Ppk\u90fd\u662f\u8861\u91cf\u7522\u54c1\u88fd\u7a0b\u80fd\u529b\u7684\u6307\u6a19\uff0c\u4e0d\u904e\u5f88\u591a\u4eba\u641e\u4e0d\u61c2Ppk\u8207Cpk\u5169\u8005\u6709\u4f55\u5dee\u7570\u3002<\/font><\/font><\/p>\n

\u4ee5\u4e0b\u662f\u5e7e\u500bPpk\u8207Cpk\u7684\u5e38\u898b\u554f\u984c\u6574\u7406\uff1a <\/font><\/font><\/p>\n

1\u3001Ppk\u8207Cpk\u6709\u4f55\u5dee\u7570?<\/font><\/p>\n

2\u3001\u4f55\u6642\u8a72\u4f7f\u7528Ppk\uff1f\u53c8\u4f55\u6642\u8a72\u4f7f\u7528Cpk\u6307\u6a19\u5462\uff1f<\/font><\/p>\n

3\u3001Ppk\u8207Cpk\u7684\u7ba1\u5236\u57fa\u6e96\u8981\u6c42\u61c9\u8a72\u5b9a\u591a\u5c11\uff1f<\/font><\/p>\n

4\u3001Ppk\u3001Cpk\u8207\u300c\u7ba1\u5236\u5716\u300d\u6709\u4ec0\u9ebc\u95dc\u4fc2\uff1f<\/font><\/p>\n

<\/p>\n

1. Ppk\u8207Cpk\u6709\u4f55\u5dee\u7570\uff1f<\/strong><\/font><\/p>\n

\n

Ppk\u8207Cpk\u5176\u5be6\u90fd\u4ee3\u8868\u7522\u54c1\u7684\u88fd\u7a0b\u80fd\u529b\uff0c\u53ea\u662f\u8a08\u7b97\u6642\u6240\u63a1\u7528\u7684\u6a19\u6e96\u5dee<\/font><\/strong>\u4e0d\u4e00\u6a23\u3002Ppk\u63a1\u7528\u5168\u8b8a\u7570(\u5305\u542b\u7d44\u5167\u8207\u7d44\u9593\u8b8a\u7570)\uff0c\u800cCpk\u63a1\u7528\u7d44\u5167\u8b8a\u7570\u3002Ppk\u8a08\u7b97Pp\uff0c\u800cCpk\u8a08\u7b97Cp\u3002\u66f4\u8a73\u7d30\u7684\u8a08\u7b97\u516c\u5f0f\u53ca\u89e3\u91cb\u8acb\u53c3\u8003\u3010\u5230\u5e95\u7ba1\u5236\u5716\u4e2dCPK\u8207PPK\u610f\u7fa9\u4e0a\u7684\u4e0d\u540c\uff1f\u5982\u4f55\u8a08\u7b97\uff1f<\/a>\u3011\u4e00\u6587\u3002<\/font><\/p>\n<\/blockquote>\n

2. \u4f55\u6642\u4f7f\u7528Ppk\uff1f\u53c8\u4f55\u6642\u4f7f\u7528Cpk?<\/strong><\/font><\/p>\n

\n

\u5728\u5c1a\u672a\u78ba\u5b9a\u88fd\u7a0b\u662f\u5426\u7a69\u5b9a\u7684\u6642\u5019\uff0c\u4f8b\u5982\u65b0\u7522\u54c1\u8a66\u7522\u968e\u6bb5\u3001\u6709\u8a2d\u8a08\u8b8a\u66f4\u7684\u968e\u6bb5\uff0c\u5efa\u8b70\u4f7f\u7528Ppk\u3002<\/font><\/p>\n

\u7576\u7522\u54c1\u7d93\u904e\u89e3\u6790\u7ba1\u5236\u5716\u5206\u6790\uff0c\u78ba\u8a8d\u88fd\u7a0b\u7a69\u5b9a\u4e4b\u5f8c\uff0c\u5247\u5efa\u8b70\u63a1\u7528Cpk\u7ba1\u5236\u3002<\/font><\/p>\n<\/blockquote>\n

3. Ppk\u8207Cpk\u7684\u7ba1\u5236\u57fa\u6e96\u61c9\u8a72\u5b9a\u591a\u5c11\u624d\u5408\u7406\uff1f<\/strong><\/font><\/p>\n

\n

Ppk\u8207Cpk\u7684\u7ba1\u5236\u57fa\u6e96\uff0c\u4e26\u6c92\u6709\u786c\u6027\u898f\u5b9a\u3002\u6839\u64da\u5317\u7f8e\u4e09\u5927\u6c7d\u8eca\u5ee0SPC\u6280\u8853\u624b\u518a\uff0c\u4e00\u822c\u8981\u6c42Ppk\u22671.67\uff0cCpk\u22671.33\u3002\u82e5\u5ba2\u6236\u6709\u8981\u6c42\u6642\uff0c\u5fc5\u9808\u6839\u64da\u5ba2\u6236\u8981\u6c42\u8a02\u5b9a\u3002<\/font><\/p>\n

\u4e0b\u9762\u7684\u5224\u65b7\u6a19\u6e96\u4f86\u81ea\u50b3\u7d71\u5c0dCpk\u7684\u8981\u6c42\uff0c\u8a73\u7d30\u53ef\u4ee5\u53c3\u8003\u3010\u88fd\u7a0b\u80fd\u529b\u4ecb\u7d39 \u2500 Cpk\u4e4b\u7d71\u8a08\u88fd\u7a0b\u80fd\u529b\u89e3\u91cb<\/a>\u3011\u4e00\u6587\u3002Ppk\u5247\u5f80\u4e0a\u52a0\u4e00\u7d1a\u5c31\u5c0d\u4e86\uff0c\u56e0\u70baPpk\u7684\u503c\u8a08\u7b97\u51fa\u4f86\u901a\u5e38\u90fd\u6703\u6bd4Cpk\u4f86\u5f97\u9ad8\u3002<\/font><\/p>\n

\n

Cpk\u4e4b\u7b49\u7d1a\u8a55\u4f30<\/font><\/p>\n<\/h4>\n\n\n\n\n\n\n\n
\u7b49\u7d1a<\/font><\/u><\/strong><\/td>\n\u7bc4           \u570d<\/u><\/strong> <\/font><\/font><\/td>\n <\/font><\/td>\n\u89e3                                \u91cb<\/u><\/strong> <\/font><\/font><\/td>\n<\/tr>\n
A<\/font><\/td>\n<\/font><\/td>\n<\/font><\/td>\nCpk<\/font><\/td>\n\u2267<\/font><\/td>\n2.00<\/font><\/td>\n<\/font><\/td>\n\u88fd\u7a0b\u80fd\u529b\u5f88\u8db3\u5920\uff0c\u4e0d\u5fc5\u7279\u5225\u6aa2\u67e5\uff0c\u5373\u53ef\u9054ppm(\u767e\u842c\u5206\u4e4b\u4e00)\u7684\u6c34\u6e96\u3002<\/font>Cpk=2.0\u6642\u4e0d\u826f\u7387\u70ba0.0020ppm<\/font><\/a>\u3002<\/font><\/font><\/td>\n<\/tr>\n
B<\/font><\/td>\n2.00<\/font><\/td>\n\uff1e<\/font><\/td>\nCpk<\/font><\/td>\n\u2267<\/font><\/td>\n1.33<\/font><\/td>\n<\/font><\/td>\n\u88fd\u7a0b\u80fd\u529b\u8db3\uff0c\u4e0d\u5fc5\u6aa2\u67e5\uff0c\u7dad\u6301\u73fe\u72c0\u5373\u53ef\u3002
<\/font>Cpk=1.66\u6642\u4e0d\u826f\u7387\u7d04\u70ba0.6358ppm<\/font><\/a>\u3002<\/font><\/td>\n<\/tr>\n
C<\/font><\/td>\n1.33<\/font><\/td>\n\uff1e<\/font><\/td>\nCpk<\/font><\/td>\n\u2267<\/font><\/td>\n1.00<\/font><\/td>\n<\/font><\/td>\n\u88fd\u7a0b\u80fd\u529b\u666e\u901a\uff0c\u53ef\u7dad\u6301 2 \u500b\u6708\u73fe\u72c0\uff0c\u9700\u5c0b\u627e\u6539\u5584\u5c0d\u7b56\uff0c\u5728\u6b64\u671f\u9593\uff0c\u9808\u62bd\u6a23\u6aa2\u67e5\uff0c\u6ce8\u610f\u662f\u8da8\u52e2\u662f\u5426\u8b8a\u5dee\u3002
<\/font>Cpk=1 \u6642\u7d04\u67092700ppm\u4e0d\u826f\u7387<\/font><\/a>\uff1b<\/font>Cpk=1.33\u6642\u4e0d\u826f\u7387\u70ba66.08ppm<\/font><\/a>\u3002<\/font><\/td>\n<\/tr>\n
D<\/font><\/td>\n1.00<\/font><\/td>\n\uff1e<\/font><\/td>\nCpk<\/font><\/td>\n<\/font><\/td>\n<\/font><\/td>\n<\/font><\/td>\n\u88fd\u7a0b\u80fd\u529b\u4e0d\u8db3\uff0c\u9700\u6025\u901f\u5c0b\u6c42\u6539\u5584\uff0c\u6b64\u671f\u9593\u9700\u5168\u6578\u6aa2\u67e5\u3002<\/font><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/blockquote>\n

4. Ppk\u3001Cpk\u8207\u7ba1\u5236\u5716\u6709\u4f55\u95dc\u4fc2\uff1f<\/strong><\/font><\/p>\n

    \n
  1. \n
    Ppk\u8207Cpk\u6240\u8a08\u7b97\u51fa\u4f86\u7684\u6578\u503c\u6703\u6709\u5dee\u7570\uff0c\u4e00\u5b9a\u767c\u751f\u5728\u6709\u5206\u7d44\u62bd\u6a23\u7684\u6642\u5019\uff0c\u4e5f\u901a\u5e38\u767c\u751f\u5728\u57f7\u884c\u7ba1\u5236\u5716\u7684\u6642\u5019\uff0c\u5426\u5247\u5c31\u4e0d\u6703\u5206\u7d44\u4e86\u3002\u7576\u62bd\u6a23\u7684\u6578\u503c\u4e0d\u5206\u7d44\u6642\uff0cPpk=Cpk\u3002<\/font> <\/div>\n<\/li>\n
  2. \n
    \u7576\u6211\u5011\u89e3\u6790\u540c\u4e00\u4efd\u7ba1\u5236\u5716\u4e0a\u7684\u6a23\u672c\u6578\u64da\u6642\uff0c\u5982\u679c\u8a08\u7b97\u7684Ppk\u8207Cpk\u7684\u503c\u5dee\u7570\u8d8a\u5927\u6642\uff0c\u4ee3\u8868\u88fd\u7a0b\u5c31\u8d8a\u4e0d\u7a69\u5b9a\uff1b\u76f8\u53cd\u7684\uff0c\u5c0d\u65bc\u7a69\u5b9a\u7684\u88fd\u7a0b\uff0cPpk\u8207Cpk\u7684\u503c\u5dee\u7570\u4e0d\u5927\u3002\u9019\u88e1\u6240\u8b02\u7684\u4e0d\u7a69\u5b9a\u6307\u7684\u4e0d\u662f\u8d85\u898f\uff0c\u800c\u50c5\u50c5\u53ea\u662f\u7ba1\u5236\u5716\u5167\u7684\u6bd4\u8f03\u503c\u3002\u56e0\u70baPpk\u4ee3\u8868\u7e3d\u9ad4\u9577\u671f\u6307\u6a19\uff08\u5305\u542b\u7d44\u5167\u8207\u7d44\u9593\u8b8a\u7570\uff09\uff0c\u800cCpk\u4ee3\u8868\u77ed\u671f\u7d44\u5167\u8b8a\u7570\u6307\u6a19\uff0c\u7576\u5169\u8005\u76f8\u5dee\u8d8a\u5927\u6642\uff0c\u8868\u793a\u7d44\u9593\u8b8a\u7570\u5927\u3002<\/font> <\/div>\n<\/li>\n
  3. \n
    \u7576\u7ba1\u5236\u5716\u986f\u793a\u88fd\u7a0b\u7a69\u5b9a\uff0c\u8868\u793a\u7d44\u9593\u8b8a\u7570\u53d7\u5230\u63a7\u5236\uff0c\u6b64\u6642\uff0c\u5168\u8b8a\u7570\u8207\u7d44\u5167\u8b8a\u7570\u7684\u5dee\u5225\u4e0d\u5927\uff0c\u6240\u4ee5\u8a08\u7b97\u51fa\u4f86\u7684Ppk\u8207Cpk\u5dee\u7570\u5c31\u6bd4\u8f03\u5c0f\u3002 <\/font><\/div>\n<\/li>\n
  4. \n
    \u88fd\u7a0b\u4e0d\u7a69\u5b9a\uff0c\u4e0d\u4ee3\u8868Ppk\u6216Cpk\u4e00\u5b9a\u8d85\u51fa\u57fa\u6e96\uff081.67\u62161.33\uff09\uff0c\u56e0\u70ba\u9019\u5169\u500b\u88fd\u7a0b\u80fd\u529b\u6307\u6a19\u7684\u5927\u5c0f\u5176\u5be6\u90fd\u8ddf\u300c\u898f\u683c\u300d\u8a02\u5b9a\u6709\u95dc\uff0c\u540c\u6a23\u7684\u91cf\u6e2c\u6578\u64da\uff0c\u7576\u898f\u683c\u5b9a\u5f97\u8d8a\u5bec\u6642\uff0c Ppk\u8207Cpk\u90fd\u6703\u8ddf\u8457\u8b8a\u5927\uff0c\u53cd\u4e4b\u5247\u540c\u6642\u8b8a\u5c0f\u3002\u4e0d\u904e\u8981\u6ce8\u610f\uff1a\u7ba1\u5236\u5716\u7684\u7ba1\u5236\u754c\u9650\u8207\u898f\u683c\u7121\u95dc\u3002\u9019\u9ede\uff0c\u8acb\u53c3\u8003\u7ba1\u5236\u5716\u7684\u8aaa\u660e<\/a>\u3002<\/font><\/div>\n<\/li>\n
  5. \n
    \u7576Ppk\u8207Cpk\u90fd\u9054\u5230\u8981\u6c42\uff081.67\u62161.33\uff09\u6642\uff0c\u88fd\u7a0b\u4e5f\u4e0d\u4e00\u5b9a\u5c31\u662f\u7a69\u5b9a\u6216\u4e0d\u7a69\u5b9a\u3002\u7406\u7531\u8207\u7b2c3\u9805\u8207\u7b2c4\u9805\u76f8\u540c\u3002\u9019\u88e1\u6307\u7684\u662f\u7ba1\u5236\u5716\u7684\u7a69\u5b9a\u6216\u4e0d\u7a69\u5b9a\u3002<\/font><\/div>\n<\/li>\n<\/ol>\n

    \u4ee5\u4e0a\u7684\u7b2c2\u30013\u9ede\u8aaa\u660e\u7576\u7ba1\u5236\u5716\u8da8\u65bc\u7a69\u5b9a\u72c0\u6cc1\u6642\uff0c\u6703\u53cd\u61c9\u5728Ppk, Cpk\u7684\u5dee\u7570\u8b8a\u5c0f\uff0c\u800c\u7b2c4\u30015\u9ede\u5247\u8aaa\u660e\u7ba1\u5236\u5716\u7a69\u5b9a\u8207\u5426\u8ddfPpk, Cpk\u662f\u5426\u9054\u5230\u57fa\u6e96\u4e26\u6c92\u6709\u4e00\u5b9a\u7684\u5fc5\u7136\u95dc\u4fc2\u3002<\/font><\/p>\n

    \u4e0d\u904e\u6709\u4e00\u9ede\u662f\u80af\u5b9a\u7684\uff0c\u7576\u65b0\u7522\u54c1\u7684Ppk\u22671.67(\u6216\u9054\u5230\u5ba2\u6236\u8981\u6c42)\u3001\u7ba1\u5236\u5716\u7684\u88fd\u7a0b\u662f\u7a69\u5b9a\u7684\u3001Cpk\u9577\u671f\u53c8\u90fd\u80fd\u5920\u9054\u52301.33(\u6216\u9054\u5230\u5ba2\u6236\u8981\u6c42)\u4ee5\u4e0a\uff0c\u9019\u6a23\u7684\u88fd\u7a0b\u7d55\u5c0d\u53ef\u4ee5\u4ee4\u5927\u591a\u6578\u7684\u5ba2\u6236\u6eff\u610f\u3002<\/font><\/p>\n

    \n

    \u56de\u300b<\/font>SPC\u3001Cpk\u3001\u88fd\u7a0b\u80fd\u529b\u4e4b\u89e3\u8aaa\u8207\u6574\u7406<\/font><\/a><\/p>\n

    \u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>
    \u67cf\u62c9\u5716\u5206\u6790 (Pareto Chart)\u4ecb\u7d39<\/font><\/a>
    \u6a19\u6e96\u5dee\u8207\u5e38\u614b\u5206\u4f48\u7684\u95dc\u4fc2(six sigma)<\/font><\/a>
    \u88fd\u7a0b\u80fd\u529b\u4ecb\u7d39 \u2500 Cpk\u4e4b\u88fd\u7a0b\u80fd\u529b\u89e3\u91cb<\/font><\/a>
    \u516d\u500b\u6a19\u6e96\u5dee(six sigma)\u904b\u7528\u65bc\u65e5\u5e38\u751f\u6d3b<\/font><\/a>
    \u5982\u4f55\u4f7f\u7528Excel2007\u5efa\u7acb\u5e38\u614b\u5206\u5e03\u66f2\u7dda\u5716\u8868<\/font><\/a>
    \u5982\u4f55\u4f7f\u7528Excel2007\u88fd\u4f5c\u67cf\u62c9\u5716(Pareto chart)<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    Cpk\u8207Ppk\u90fd\u662f\u8861\u91cf\u7522\u54c1\u88fd\u7a0b\u80fd\u529b\u7684\u6307\u6a19\uff0c\u4e0d\u904e\u5f88 …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,116],"tags":[172],"aioseo_notices":[],"views":26171,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/4742"}],"collection":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/comments?post=4742"}],"version-history":[{"count":3,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/4742\/revisions"}],"predecessor-version":[{"id":10397,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/4742\/revisions\/10397"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=4742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=4742"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=4742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}