{"id":4912,"date":"2024-01-09T16:19:35","date_gmt":"2024-01-09T08:19:35","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=4912"},"modified":"2024-01-09T16:23:00","modified_gmt":"2024-01-09T08:23:00","slug":"qc-t-29087-1992%e5%ae%8c%e6%95%b4%e8%8b%b1%e6%96%87%e7%89%88-%e6%b1%bd%e8%bd%a6%e7%84%8a%e6%8e%a5%e5%8a%a0%e5%b7%a5%e9%9b%b6%e4%bb%b6%e6%9c%aa%e6%b3%a8%e5%85%ac%e5%b7%ae%e5%b0%ba%e5%af%b8%e7%9a%84","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=4912","title":{"rendered":"QC\/T 29087-1992\u5b8c\u6574\u82f1\u6587\u7248 \u6c7d\u8f66\u710a\u63a5\u52a0\u5de5\u96f6\u4ef6\u672a\u6ce8\u516c\u5dee\u5c3a\u5bf8\u7684\u6781\u9650\u504f\u5dee"},"content":{"rendered":"
<\/div>\n
ChinaAutoRegs\uff5cQC\/T 29087-1992\u82f1\u6587\u7248\u7ffb\u8bd1\u300a\u6c7d\u8f66\u710a\u63a5\u52a0\u5de5\u96f6\u4ef6\u672a\u6ce8\u516c\u5dee\u5c3a\u5bf8\u7684\u6781\u9650\u504f\u5dee\u300b<\/div>\n
Welding Automobile Parts – Extreme Deviation for Undeclared Tolerance Size<\/div>\n
<\/div>\n

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<\/div>\n
1 SUBJECT CONTENT AND APPLICATION SCOPE<\/div>\n
<\/div>\n
This standard specifies the extreme deviation for undeclared tolerance size of automobile parts affected by the welding process.<\/div>\n
This standard is applicable to the extreme deviation for undeclared tolerance size and angle formed by welding process.<\/div>\n
This standard is not applicable to the welding size and weld size subjected to inspection as the master model.<\/div>\n
<\/div>\n
2 EXTREME DEVIATION FOR UNDECLARED TOLERANCE SIZE OF WELDING PROCESS<\/div>\n
<\/div>\n
2.1 The extreme deviation for undeclared tolerance linear size is as shown in Figure 1 and Table 1.<\/div>\n
<\/div>\n
Figure 1<\/div>\n
<\/div>\n
Table 1<\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Basic Size<\/td>\nExtreme Deviation<\/td>\n<\/tr>\n
Class A<\/td>\nClass B<\/td>\n<\/tr>\n
~18<\/td>\n\u00b1<\/em>0.55<\/em><\/td>\n\u00b10.90<\/td>\n<\/tr>\n
>18~30<\/td>\n\u00b10.65<\/td>\n\u00b11.05<\/td>\n<\/tr>\n
>30~50<\/td>\n\u00b10.80<\/td>\n\u00b11.25<\/td>\n<\/tr>\n
>50~80<\/td>\n\u00b10.95<\/td>\n\u00b11.50<\/td>\n<\/tr>\n
>80~120<\/td>\n\u00b11.10<\/td>\n\u00b11.75<\/td>\n<\/tr>\n
>120~180<\/td>\n\u00b11.25<\/td>\n\u00b12.00<\/td>\n<\/tr>\n
>180~250<\/td>\n\u00b11.45<\/td>\n\u00b12.30<\/td>\n<\/tr>\n
>250~315<\/td>\n\u00b11.60<\/td>\n\u00b12.60<\/td>\n<\/tr>\n
>315~400<\/td>\n\u00b11.80<\/td>\n\u00b12.85<\/td>\n<\/tr>\n
>400~500<\/td>\n\u00b12.00<\/td>\n\u00b13.15<\/td>\n<\/tr>\n
>500~630<\/td>\n\u00b12.20<\/td>\n\u00b13.50<\/td>\n<\/tr>\n
>630~800<\/td>\n\u00b12.50<\/td>\n\u00b14.00<\/td>\n<\/tr>\n
>800~1000<\/td>\n\u00b12.80<\/td>\n\u00b14.50<\/td>\n<\/tr>\n
>1000~1250<\/td>\n\u00b13.30<\/td>\n\u00b15.25<\/td>\n<\/tr>\n
>1250~1600<\/td>\n\u00b13.90<\/td>\n\u00b16.25<\/td>\n<\/tr>\n
>1600~2000<\/td>\n\u00b14.60<\/td>\n\u00b17.50<\/td>\n<\/tr>\n
>2000~2500<\/td>\n\u00b15.50<\/td>\n\u00b18.75<\/td>\n<\/tr>\n
>2500~3150<\/td>\n\u00b16.75<\/td>\n\u00b110.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Note: Class A tolerance applies to the welding parts in batch production, while Class B tolerance applies to the welding parts in single-piece production.<\/div>\n
<\/div>\n
2.2 The extreme deviation for undeclared tolerance angle is as shown in Figure 2 and Table 2.<\/div>\n
<\/div>\n
Figure 2<\/div>\n
<\/div>\n
Table 2<\/div>\n
\n\n\n\n\n\n
Length of short side (mm)<\/td>\n><\/td>\n <\/td>\n30<\/td>\n120<\/td>\n400<\/td>\n1000<\/td>\n<\/tr>\n
\u00a3<\/td>\n30<\/td>\n120<\/td>\n400<\/td>\n1000<\/td>\n <\/td>\n<\/tr>\n
Extreme Deviation<\/td>\n\u00b11\u00b030\u2019<\/td>\n\u00b11\u00b0<\/td>\n\u00b145\u2019<\/td>\n\u00b130\u2019<\/td>\n\u00b120\u2019<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Note: the angle tolerance can be measured by transforming into linear value e as required.<\/div>\n
<\/div>\n
<\/div>\n
Additional Explanation:<\/div>\n
This standard was proposed by China Automobile Industry Corporation.<\/div>\n
This standard is under the jurisdiction of China Automotive Technology & Research Center.<\/div>\n
This standard was drafted by the joint working group organized by the China Automotive Technology & Research Center.<\/div>\n
Chief drafter of this standard is Liu Li.<\/div>\n
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\n<\/div>\n
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ChinaAutoRegs\uff5cQC\/T 29087-1992\u82f1\u6587\u7248\u7ffb\u8bd1\u300a\u6c7d\u8f66\u710a\u63a5\u52a0 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[760,823,10,178,7,724,797,795,18,827,796,14],"class_list":["post-4912","post","type-post","status-publish","format-standard","hentry","category-iv","tag-gb-t2023","tag-gb-t","tag-gb","tag-hj-t","tag-jt-t","tag-qc-t","tag-qct-29087-1992","tag-796","tag-14"],"views":1268,"_links":{"self":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/4912","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4912"}],"version-history":[{"count":1,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/4912\/revisions"}],"predecessor-version":[{"id":4913,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=\/wp\/v2\/posts\/4912\/revisions\/4913"}],"wp:attachment":[{"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chinaautoregs.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}