{"id":5582,"date":"2025-12-22T08:33:37","date_gmt":"2025-12-22T08:33:37","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5582"},"modified":"2025-12-22T08:34:32","modified_gmt":"2025-12-22T08:34:32","slug":"gb-t-3103-3-2020-flat-washer-tolerances-guide","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/ru\/blog\/gb-t-3103-3-2020-flat-washer-tolerances-guide\/","title":{"rendered":"\u0420\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u043f\u043e \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u043c \u0434\u043b\u044f \u043f\u043b\u043e\u0441\u043a\u0438\u0445 \u0448\u0430\u0439\u0431 GB\/T 3103.3-2020"},"content":{"rendered":"

[et_pb_section admin_label=\u201dsection\u201d]
\n\t\t\t[et_pb_row admin_label=\u201drow\u201d]
\n\t\t\t\t[et_pb_column type=\u201d4_4\u2033][et_pb_text admin_label=\u201dText\u201d]<\/p>\n

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\u0420\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u043f\u043e \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u043c \u0434\u043b\u044f \u043f\u043b\u043e\u0441\u043a\u0438\u0445 \u0448\u0430\u0439\u0431 GB\/T 3103.3-2020<\/h1>\n
\u0414\u043e\u043f\u0443\u0441\u043a\u0438 \u0434\u043b\u044f \u043f\u043b\u043e\u0441\u043a\u0438\u0445 \u0448\u0430\u0439\u0431<\/div>\n

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1. \u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435<\/h2>\n

\u041f\u043b\u043e\u0441\u043a\u0438\u0435 \u0448\u0430\u0439\u0431\u044b \u0438\u0433\u0440\u0430\u044e\u0442 \u0432\u0430\u0436\u043d\u0435\u0439\u0448\u0443\u044e \u0440\u043e\u043b\u044c \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u043a\u0440\u0435\u043f\u043b\u0435\u043d\u0438\u044f, \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u044f \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438, \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0430\u044f \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u0435 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438 \u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044f \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u0441\u0431\u043e\u0440\u043a\u0438. \u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442 GB\/T 3103.3-2020 \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442 \u0434\u043e\u043f\u0443\u0441\u043a\u0438 \u0434\u043b\u044f \u043f\u043b\u043e\u0441\u043a\u0438\u0445 \u0448\u0430\u0439\u0431 \u0441 \u043d\u043e\u043c\u0438\u043d\u0430\u043b\u044c\u043d\u044b\u043c \u0434\u0438\u0430\u043c\u0435\u0442\u0440\u043e\u043c \u043e\u0442 1 \u043c\u043c \u0434\u043e 150 \u043c\u043c, \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u043c\u044b\u0435 \u043a \u0438\u0437\u0434\u0435\u043b\u0438\u044f\u043c \u043c\u0430\u0440\u043e\u043a A, C \u0438 F. \u042d\u0442\u043e\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c \u0434\u043b\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u044f \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438 \u0432 \u043c\u0430\u0448\u0438\u043d\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0438, \u0430\u0432\u0442\u043e\u043c\u043e\u0431\u0438\u043b\u0435\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0438, \u0430\u044d\u0440\u043e\u043a\u043e\u0441\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043e\u0442\u0440\u0430\u0441\u043b\u0438 \u0438 \u0441\u0442\u0440\u043e\u0438\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u0435.<\/p>\n

\u042d\u0442\u043e\u0442 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 ISO 4759-3:2016, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441 \u043c\u0435\u0436\u0434\u0443\u043d\u0430\u0440\u043e\u0434\u043d\u044b\u043c\u0438 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430\u043c\u0438, \u0441\u043f\u043e\u0441\u043e\u0431\u0441\u0442\u0432\u0443\u0435\u0442 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044e \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430 \u0438 \u0432\u0437\u0430\u0438\u043c\u043e\u0437\u0430\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0441\u0442\u0438. \u0412 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u0435 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e \u043e\u043f\u0438\u0441\u0430\u043d\u044b \u0434\u043e\u043f\u0443\u0441\u043a\u0438 \u0434\u043b\u044f \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0433\u043e \u043e\u0442\u0432\u0435\u0440\u0441\u0442\u0438\u044f, \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u0434\u0438\u0430\u043c\u0435\u0442\u0440\u0430, \u0442\u043e\u043b\u0449\u0438\u043d\u044b, \u0444\u0430\u0441\u043e\u043a \u0438 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 \u0444\u043e\u0440\u043c\u044b\/\u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0447\u0442\u043e \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u0430\u043c \u0432 \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u0438 \u0437\u0430\u043a\u0443\u043f\u043a\u0430\u0445.<\/p>\n<\/div>\n

<\/p>\n

\n

2. \u041e\u0431\u0437\u043e\u0440 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 GB\/T 3103.3-2020<\/h2>\n

\u042d\u0442\u043e\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442, \u0432\u044b\u043f\u0443\u0449\u0435\u043d\u043d\u044b\u0439 \u0432 2020 \u0433\u043e\u0434\u0443 \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043f\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0438\u0437\u0430\u0446\u0438\u0438 \u041a\u0438\u0442\u0430\u044f, \u043e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u0442 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0438\u0435 \u0432\u0435\u0440\u0441\u0438\u0438 \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u043c\u0438\u0440\u043e\u0432\u044b\u043c\u0438 \u0434\u043e\u0441\u0442\u0438\u0436\u0435\u043d\u0438\u044f\u043c\u0438 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043a\u0440\u0435\u043f\u0435\u0436\u043d\u044b\u0445 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0439. \u041e\u043d \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043a \u043f\u0440\u043e\u0441\u0442\u044b\u043c \u0448\u0430\u0439\u0431\u0430\u043c, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u043c \u0441 \u0431\u043e\u043b\u0442\u0430\u043c\u0438, \u0432\u0438\u043d\u0442\u0430\u043c\u0438 \u0438 \u0433\u0430\u0439\u043a\u0430\u043c\u0438, \u0437\u0430 \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u0442\u0438\u043f\u043e\u0432, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u0441\u0442\u043e\u043f\u043e\u0440\u043d\u044b\u0435 \u0448\u0430\u0439\u0431\u044b.<\/p>\n

\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442 \u0434\u043e\u043f\u0443\u0441\u043a\u0438 \u043d\u0430 \u0440\u0430\u0437\u043c\u0435\u0440\u044b \u0434\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438, \u043f\u0440\u0438 \u044d\u0442\u043e\u043c \u043e\u0442\u043a\u043b\u043e\u043d\u0435\u043d\u0438\u044f \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043e\u0431\u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0438\u044f. \u0414\u043e\u043f\u0443\u0441\u043a\u0438 \u043d\u0430 \u0444\u043e\u0440\u043c\u0443 \u0438 \u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430\u043c GB\/T 1182 \u0438 GB\/T 16671.<\/p>\n<\/div>\n

<\/p>\n

\n

3. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u044b \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0434\u043e\u043f\u0443\u0441\u043a\u043e\u0432 \u0434\u043b\u044f \u043f\u043b\u043e\u0441\u043a\u0438\u0445 \u0448\u0430\u0439\u0431<\/h2>\n

\u0414\u043e\u043f\u0443\u0441\u043a\u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0442 \u0442\u043e\u0447\u043d\u0443\u044e \u043f\u043e\u0441\u0430\u0434\u043a\u0443 \u0448\u0430\u0439\u0431 \u0432 \u0443\u0437\u043b\u0430\u0445, \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0430\u044f \u043f\u043e\u043b\u043e\u043c\u043a\u0438 \u0438\u0437-\u0437\u0430 \u043d\u0435\u0441\u043e\u043e\u0441\u043d\u043e\u0441\u0442\u0438 \u0438\u043b\u0438 \u0447\u0440\u0435\u0437\u043c\u0435\u0440\u043d\u043e\u0433\u043e \u043b\u044e\u0444\u0442\u0430. \u041e\u043d\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u044b \u0434\u043b\u044f \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0445 \u043a\u043b\u0430\u0441\u0441\u043e\u0432 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438: A (\u043f\u0440\u0435\u0446\u0438\u0437\u0438\u043e\u043d\u043d\u044b\u0439), C (\u043e\u0431\u0449\u0435\u0433\u043e \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f) \u0438 F (\u0442\u043e\u043d\u043a\u0438\u0439). \u0415\u0441\u043b\u0438 \u043d\u0435 \u0443\u043a\u0430\u0437\u0430\u043d\u043e \u0438\u043d\u043e\u0435, \u0434\u043e\u043f\u0443\u0441\u043a\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u0434\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438.<\/p>\n

\u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0438\u0439 \u0434\u0438\u0430\u043c\u0435\u0442\u0440 (d).1<\/sub>), \u0432\u043d\u0435\u0448\u043d\u0438\u0439 \u0434\u0438\u0430\u043c\u0435\u0442\u0440 (d)2<\/sub>), \u0442\u043e\u043b\u0449\u0438\u043d\u0430 (t), \u0444\u0430\u0441\u043a\u0438 (c)1<\/sub>, \u04412<\/sub>), \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043e\u043f\u0443\u0441\u043a\u0438 \u043d\u0430 \u0444\u043e\u0440\u043c\u0443, \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a \u0441\u043e\u043e\u0441\u043d\u043e\u0441\u0442\u044c \u0438 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c.<\/p>\n<\/div>\n

<\/p>\n

\n

4. \u041f\u043e\u0434\u0440\u043e\u0431\u043d\u044b\u0435 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438 \u0434\u043e\u043f\u0443\u0441\u043a\u043e\u0432<\/h2>\n
4.1 \u0412\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0435 \u043e\u0442\u0432\u0435\u0440\u0441\u0442\u0438\u0435 d1<\/sub><\/div>\n

 <\/p>\n

\u0414\u043e\u043f\u0443\u0441\u043a\u0438 \u0434\u043b\u044f \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0433\u043e \u043e\u0442\u0432\u0435\u0440\u0441\u0442\u0438\u044f d1<\/sub> \u0420\u0430\u0437\u043b\u0438\u0447\u0430\u044e\u0442\u0441\u044f \u0432 \u0442\u043e\u043b\u0449\u0438\u043d\u0435 \u0438 \u0441\u043e\u0440\u0442\u0435 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0422\u043e\u043b\u0449\u0438\u043d\u0430<\/th>\n\u0414\u043e\u043f\u0443\u0441\u043a\u0438<\/th>\n<\/tr>\n
\u041a\u043b\u0430\u0441\u0441 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438<\/th>\n<\/tr>\n
\u0424<\/th>\n\u0410<\/th>\nC<\/th>\n<\/tr>\n<\/thead>\n
t < 2
\n2 \u2264 t < 4
\nt \u2265 4<\/td>\n		\u04341<\/sub>
\n\u0414\u043e\u043f\u0443\u0441\u043a<\/td>\n		t1<\/sub>
\n\u043c\u0438\u043d<\/td>\n		e1<\/sub>
\n\u043c\u0430\u043a\u0441<\/td>\n		\u04341<\/sub>
\n\u0414\u043e\u043f\u0443\u0441\u043a<\/td>\n		t1<\/sub>
\n\u043c\u0438\u043d<\/td>\n		e1<\/sub>
\n\u043c\u0430\u043a\u0441<\/td>\n		\u04341<\/sub>
\n\u0414\u043e\u043f\u0443\u0441\u043a<\/td>\n<\/tr>\n
H12<\/td>\n0,5 \u0442<\/td>\n0,10 \u0442<\/td>\nH13<\/td>\n0,3 \u0442<\/td>\n0,15 \u0442<\/td>\nH14<\/td>\n<\/tr>\n
H12<\/td>\n0,3 \u0442<\/td>\n0,15 \u0442<\/td>\nH13<\/td>\n0,25 \u0442<\/td>\n0,20 \u0442<\/td>\nH14<\/td>\n<\/tr>\n
H13<\/td>\n0,2 \u0442<\/td>\n0,20 \u0442<\/td>\nH14<\/td>\n0,2 \u0442<\/td>\n0,25 \u0442<\/td>\nH15<\/td>\n<\/tr>\n
\u0421\u0436\u0438\u0433\u0430\u043d\u0438\u0435 \u043d\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043e, \u043d\u043e \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u043e.<\/td>\n\u0420\u0430\u0437\u0440\u044b\u0432\u043d\u0430\u044f \u043b\u0435\u043d\u0442\u0430 (\u0435)1<\/sub>), \u04421<\/sub> \u0438 \u043e\u0431\u0436\u0438\u0433\u0430\u043d\u0438\u0435 \u043d\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043e, \u043d\u043e \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u043e.<\/td>\n<\/tr>\n
t1<\/sub> \u2014 \u044d\u0442\u043e \u0447\u0430\u0441\u0442\u044c \u043e\u0442\u0432\u0435\u0440\u0441\u0442\u0438\u044f, \u043d\u0430\u0445\u043e\u0434\u044f\u0449\u0430\u044f\u0441\u044f \u0432 \u043f\u0440\u0435\u0434\u0435\u043b\u0430\u0445 \u0437\u0430\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u043f\u0443\u0441\u043a\u0430 d.1<\/sub><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
4.2 \u041d\u0430\u0440\u0443\u0436\u043d\u044b\u0439 \u0434\u0438\u0430\u043c\u0435\u0442\u0440 d2<\/sub><\/div>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0422\u043e\u043b\u0449\u0438\u043d\u0430<\/th>\n\u0414\u043e\u043f\u0443\u0441\u043a\u0438<\/th>\n<\/tr>\n
\u041a\u043b\u0430\u0441\u0441 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438<\/th>\n<\/tr>\n
\u0424<\/th>\n\u0410<\/th>\nC<\/th>\n<\/tr>\n<\/thead>\n
t < 2
\n2 \u2264 t < 4
\nt \u2265 4<\/td>\n		\u04342<\/sub>
\n\u0414\u043e\u043f\u0443\u0441\u043a<\/td>\n		e2<\/sub>
\n\u043c\u0430\u043a\u0441<\/td>\n		\u04342<\/sub>
\n\u0414\u043e\u043f\u0443\u0441\u043a<\/td>\n		e2<\/sub>
\n\u043c\u0430\u043a\u0441<\/td>\n		\u04342<\/sub>
\n\u0414\u043e\u043f\u0443\u0441\u043a<\/td>\n<\/tr>\n
h13<\/td>\n0,13 \u0442<\/td>\nh14<\/td>\n0,18 \u0442<\/td>\nh16<\/td>\n<\/tr>\n
h13<\/td>\n0,15 \u0442<\/td>\nh14<\/td>\n0,20 \u0442<\/td>\nh16<\/td>\n<\/tr>\n
h14<\/td>\n0,18 \u0442<\/td>\nh15<\/td>\n0,25 \u0442<\/td>\nh16<\/td>\n<\/tr>\n
\u0417\u0430\u0436\u0438\u0433\u0430\u043d\u0438\u0435 \u0438 \u04422<\/sub> \u043d\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043e, \u043d\u043e \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u043e<\/td>\n\u0420\u0430\u0437\u0440\u044b\u0432\u043d\u0430\u044f \u043b\u0435\u043d\u0442\u0430 (\u0435)2<\/sub>), \u04422<\/sub> \u0438 \u043e\u0431\u0436\u0438\u0433\u0430\u043d\u0438\u0435 \u043d\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043e, \u043d\u043e \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u043e.<\/td>\n<\/tr>\n
t2<\/sub> \u2014 \u044d\u0442\u043e \u0447\u0430\u0441\u0442\u044c \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u0434\u0438\u0430\u043c\u0435\u0442\u0440\u0430, \u043d\u0430\u0445\u043e\u0434\u044f\u0449\u0430\u044f\u0441\u044f \u0432 \u043f\u0440\u0435\u0434\u0435\u043b\u0430\u0445 \u0437\u0430\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u043f\u0443\u0441\u043a\u0430 d.2<\/sub><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
4.3 \u0422\u043e\u043b\u0449\u0438\u043d\u0430 t<\/div>\n

\u0414\u043e\u043f\u0443\u0441\u043a\u0438 \u043f\u043e \u0442\u043e\u043b\u0449\u0438\u043d\u0435 \u0438\u0437\u043c\u0435\u0440\u044f\u044e\u0442\u0441\u044f \u043f\u043e\u0441\u043b\u0435 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f \u0437\u0430\u0443\u0441\u0435\u043d\u0446\u0435\u0432.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0422\u043e\u043b\u0449\u0438\u043d\u0430 t<\/th>\n\u041a\u043b\u0430\u0441\u0441 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438<\/th>\n<\/tr>\n
\u0424<\/th>\n\u0410<\/th>\nC<\/th>\n<\/tr>\n<\/thead>\n
t \u2264 0,5<\/td>\n\u00b10,04<\/td>\n\u00b10,05<\/td>\n\u00b10,10<\/td>\n<\/tr>\n
0,5 < t \u2264 1<\/td>\n\u00b10,06<\/td>\n\u00b10,10<\/td>\n\u00b10,20<\/td>\n<\/tr>\n
1 < t \u2264 2,5<\/td>\n\u00b10,12<\/td>\n\u00b10,20<\/td>\n\u00b10,30<\/td>\n<\/tr>\n
2,5 < t \u2264 4<\/td>\n\u00b10,16<\/td>\n\u00b10,30<\/td>\n\u00b10,60<\/td>\n<\/tr>\n
4 < t \u2264 6<\/td>\n\u00b10,20<\/td>\n\u00b10,60<\/td>\n\u00b11,00<\/td>\n<\/tr>\n
6 < t \u2264 10<\/td>\n\u00b10,24<\/td>\n\u00b11,00<\/td>\n\u00b11,20<\/td>\n<\/tr>\n
10 < t \u2264 20<\/td>\n\u00b10,28<\/td>\n\u00b11,20<\/td>\n\u00b11,60<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
4.4 \u0424\u0430\u0441\u043a\u0438<\/div>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n
\u041d\u043e\u043c\u0438\u043d\u0430\u043b\u044c\u043d\u0430\u044f \u0442\u043e\u043b\u0449\u0438\u043d\u0430<\/th>\n\u041a\u043b\u0430\u0441\u0441 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438<\/th>\n<\/tr>\n
\u0424<\/th>\n\u0410<\/th>\nC<\/th>\n<\/tr>\n
c1<\/sub>
\n\u043c\u0438\u043d<\/th>\n		c2<\/sub>
\n\u043c\u0438\u043d<\/th>\n		c1<\/sub>
\n\u043c\u0438\u043d<\/th>\n		c2<\/sub>
\n\u043c\u0438\u043d<\/th>\n		c1<\/sub>
\n\u043c\u0438\u043d<\/th>\n		c2<\/sub>
\n\u043c\u0438\u043d<\/th>\n<\/tr>\n<\/thead>\n
1 \u2264 t < 2<\/td>\n0,20 \u0442<\/td>\n0,25 \u0442<\/td>\n0,20 \u0442<\/td>\n0,25 \u0442<\/td>\n0,20 \u0442<\/td>\n0,25 \u0442<\/td>\n<\/tr>\n
2 \u2264 t < 4<\/td>\n0,18 \u0442<\/td>\n0,22 \u0442<\/td>\n0,18 \u0442<\/td>\n0,22 \u0442<\/td>\n0,18 \u0442<\/td>\n0,22 \u0442<\/td>\n<\/tr>\n
t \u2265 4<\/td>\n0,15 \u0442<\/td>\n0,20 \u0442<\/td>\n0,15 \u0442<\/td>\n0,20 \u0442<\/td>\n0,15 \u0442<\/td>\n0,20 \u0442<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
4.4.3 \u0414\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f \u043a \u043a\u043e\u043c\u0431\u0438\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u0441\u0442\u0438\u0440\u0430\u043b\u044c\u043d\u044b\u043c \u043c\u0430\u0448\u0438\u043d\u0430\u043c<\/div>\n

\u041f\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0443 \u043f\u043e\u043a\u0443\u043f\u0430\u0442\u0435\u043b\u044f \u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0444\u0430\u0441\u043a\u0438 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043e\u0442\u043a\u043b\u043e\u043d\u0435\u043d\u0438\u0439 \u0448\u0442\u0430\u043c\u043f\u043e\u0432\u043a\u0438 \u0434\u043e\u043b\u0436\u043d\u043e \u0431\u044b\u0442\u044c \u0443\u043a\u0430\u0437\u0430\u043d\u043e \u0432 \u0437\u0430\u043a\u0430\u0437\u0435.<\/p>\n

4.5 \u0414\u043e\u043f\u0443\u0441\u043a\u0438 \u0444\u043e\u0440\u043c\u044b \u0438 \u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u044f<\/div>\n

\u0394t \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0432\u043d\u0435 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0430 x = 0,1 (d)2<\/sub> \u2013 \u04341<\/sub>), \u0442.\u0435., 60% \u0448\u0438\u0440\u0438\u043d\u044b \u043a\u043e\u043b\u044c\u0446\u0430.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0422\u043e\u043b\u0449\u0438\u043d\u0430 t<\/th>\n\u041a\u043b\u0430\u0441\u0441 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438<\/th>\n<\/tr>\n
\u0424<\/th>\n\u0410<\/th>\nC<\/th>\n<\/tr>\n
\u0394t
\n\u043c\u0430\u043a\u0441<\/th>\n		\u0394t
\n\u043c\u0430\u043a\u0441<\/th>\n		<\/th>\n<\/tr>\n<\/thead>\n
t \u2264 0,5<\/td>\n0.02<\/td>\n0.025<\/td>\n\u041d\u0435\u0442 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u0439<\/td>\n<\/tr>\n
0,5 < t \u2264 1<\/td>\n0.03<\/td>\n0.05<\/td>\n<\/tr>\n
1 < t \u2264 2,5<\/td>\n0.06<\/td>\n0.1<\/td>\n<\/tr>\n
2,5 < t \u2264 4<\/td>\n0.08<\/td>\n0.15<\/td>\n<\/tr>\n
4 < t \u2264 6<\/td>\n0.1<\/td>\n0.2<\/td>\n<\/tr>\n
6 < t \u2264 10<\/td>\n0.12<\/td>\n0.3<\/td>\n<\/tr>\n
10 < t \u2264 20<\/td>\n0.14<\/td>\n0.4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
4.5.2 \u0421\u043e\u043e\u0441\u043d\u043e\u0441\u0442\u044c y<\/div>\n\n\n\n\n\n\n\n\n\n\n
\u0422\u043e\u043b\u0449\u0438\u043d\u0430 t<\/th>\n\u041a\u043b\u0430\u0441\u0441 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438<\/th>\n<\/tr>\n
\u0424<\/th>\n\u0410<\/th>\nC<\/th>\n<\/tr>\n
y
\n\u043c\u0430\u043a\u0441<\/th>\n		y
\n\u043c\u0430\u043a\u0441<\/th>\n		y
\n\u043c\u0430\u043a\u0441<\/th>\n<\/tr>\n<\/thead>\n
t < 2<\/td>\n2 IT11<\/td>\n2 IT12<\/td>\n2 IT13<\/td>\n<\/tr>\n
2 \u2264 t \u2264 4<\/td>\n2 IT12<\/td>\n2 IT13<\/td>\n2 IT14<\/td>\n<\/tr>\n
t \u2265 4<\/td>\n2 IT13<\/td>\n2 IT14<\/td>\n2 IT15<\/td>\n<\/tr>\n
\u0414\u043e\u043f\u0443\u0441\u043a y, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u0434\u0438\u0430\u043c\u0435\u0442\u0440\u0435 d.2<\/sub><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
4.5.3 \u041f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c (\u043f\u0440\u043e\u0433\u0438\u0431) z<\/div>\n

\u041f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c z \u2014 \u044d\u0442\u043e \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u043c\u0435\u0436\u0434\u0443 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u0432\u044b\u0441\u043e\u0442\u043e\u0439 h.\u044d\u0444\u0444\u0435\u043a\u0442<\/sub> \u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u0430\u044f \u0442\u043e\u043b\u0449\u0438\u043d\u0430 t\u044d\u0444\u0444\u0435\u043a\u0442<\/sub>\u041f\u0440\u0438\u043c\u0435\u0447\u0430\u043d\u0438\u0435: \u041d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e \u043e\u0442 \u0434\u043e\u043f\u0443\u0441\u043a\u0430 \u043f\u043e \u0442\u043e\u043b\u0449\u0438\u043d\u0435; \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u044b, \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a \u0448\u043b\u0438\u0444\u043e\u0432\u043a\u0430, \u043c\u043e\u0433\u0443\u0442 \u0443\u043c\u0435\u043d\u044c\u0448\u0438\u0442\u044c \u043f\u0440\u043e\u0433\u0438\u0431. \u0418\u0437\u043c\u0435\u0440\u0435\u043d\u043e \u043f\u043e\u0441\u043b\u0435 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f \u0437\u0430\u0443\u0441\u0435\u043d\u0446\u0435\u0432.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0422\u043e\u043b\u0449\u0438\u043d\u0430 t<\/th>\n\u041a\u043b\u0430\u0441\u0441 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438<\/th>\n<\/tr>\n
\u0424<\/th>\n\u0410<\/th>\nC<\/th>\n<\/tr>\n
z
\n\u043c\u0430\u043a\u0441<\/th>\n		z
\n\u043c\u0430\u043a\u0441<\/th>\n		z
\n\u043c\u0430\u043a\u0441<\/th>\n<\/tr>\n<\/thead>\n
t \u2264 0,5<\/td>\n0.07<\/td>\n0.1<\/td>\n0.13<\/td>\n<\/tr>\n
0,5 < t \u2264 1<\/td>\n0.1<\/td>\n0.15<\/td>\n0.2<\/td>\n<\/tr>\n
1 < t \u2264 2,5<\/td>\n0.2<\/td>\n0.2<\/td>\n0.25<\/td>\n<\/tr>\n
2,5 < t \u2264 4<\/td>\n0.3<\/td>\n0.3<\/td>\n0.3<\/td>\n<\/tr>\n
4 < t \u2264 6<\/td>\n0.4<\/td>\n0.4<\/td>\n0.4<\/td>\n<\/tr>\n
6 < t \u2264 10<\/td>\n0.6<\/td>\n0.6<\/td>\n0.6<\/td>\n<\/tr>\n
10 < t \u2264 20<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

\n

5. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f GB\/T 3103.3-2020<\/h2>\n

\u0414\u043e\u043f\u0443\u0441\u043a\u0438 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0442\u044c \u0434\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438. \u0412 \u0441\u043b\u0443\u0447\u0430\u0435 \u0440\u0430\u0441\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u0439 \u043f\u0440\u0438\u043e\u0440\u0438\u0442\u0435\u0442 \u043e\u0442\u0434\u0430\u0435\u0442\u0441\u044f \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430\u043c \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438. \u0418\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u044f \u0442\u043e\u043b\u0449\u0438\u043d\u044b \u0438 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u043e\u0432\u043e\u0434\u044f\u0442\u0441\u044f \u043f\u043e\u0441\u043b\u0435 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f \u0437\u0430\u0443\u0441\u0435\u043d\u0446\u0435\u0432 \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438.<\/p>\n<\/div>\n

<\/p>\n

\n

6. \u0410\u043d\u0430\u043b\u0438\u0437 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438 \u0438 \u043f\u043e\u0433\u0440\u0435\u0448\u043d\u043e\u0441\u0442\u0435\u0439<\/h2>\n

\u041e\u0448\u0438\u0431\u043a\u0438 \u043c\u043e\u0433\u0443\u0442 \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u0442\u044c \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u0438 \u0448\u0442\u0430\u043c\u043f\u043e\u0432\u043a\u0435, \u0447\u0442\u043e \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442 \u043a \u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044e \u0437\u0430\u0443\u0441\u0435\u043d\u0446\u0435\u0432 \u0438\u043b\u0438 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430\u043c \u0441 \u0441\u043e\u043e\u0441\u043d\u043e\u0441\u0442\u044c\u044e. \u0414\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u0440\u0435\u0446\u0438\u0437\u0438\u043e\u043d\u043d\u0443\u044e \u043e\u0441\u043d\u0430\u0441\u0442\u043a\u0443 \u0438 \u043f\u043e\u0441\u0442\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0443. \u041a \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u043c \u043e\u0448\u0438\u0431\u043a\u0430\u043c \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u0438\u0433\u043d\u043e\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0439 \u0444\u0430\u0441\u043a\u0438; \u0438\u0445 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0443\u0441\u0442\u0440\u0430\u043d\u044f\u0442\u044c, \u043f\u0440\u0438\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044f\u0441\u044c \u0442\u0430\u0431\u043b\u0438\u0446, \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u044b\u0445 \u0434\u043b\u044f \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0433\u043e \u0441\u043e\u0440\u0442\u0430 \u043c\u0435\u0442\u0430\u043b\u043b\u0430.<\/p>\n<\/div>\n

<\/p>\n

\n

7. \u0412\u043b\u0438\u044f\u043d\u0438\u0435 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 GB\/T 3103.3-2020 \u043d\u0430 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u044c<\/h2>\n

\u042d\u0442\u043e\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u0441\u043f\u043e\u0441\u043e\u0431\u0441\u0442\u0432\u0443\u0435\u0442 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0437\u0430 \u0441\u0447\u0435\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0438\u0437\u0430\u0446\u0438\u0438 \u0434\u043e\u043f\u0443\u0441\u043a\u043e\u0432, \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u043e \u0432 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0435 \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0432 \u0432\u044b\u0441\u043e\u043a\u043e\u0442\u043e\u0447\u043d\u044b\u0445 \u043e\u0442\u0440\u0430\u0441\u043b\u044f\u0445, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u0430\u044d\u0440\u043e\u043a\u043e\u0441\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u044c, \u0433\u0434\u0435 \u0448\u0430\u0439\u0431\u044b \u043a\u043b\u0430\u0441\u0441\u0430 \u0410 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0442 \u043d\u0430\u0434\u0435\u0436\u043d\u043e\u0441\u0442\u044c.<\/p>\n<\/div>\n

<\/p>\n

\n

8. \u0427\u0430\u0441\u0442\u043e \u0437\u0430\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0435 \u0432\u043e\u043f\u0440\u043e\u0441\u044b (FAQ)<\/h2>\n
\n

\u0412 \u0447\u0451\u043c \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u043c\u0435\u0436\u0434\u0443 \u0441\u043e\u0440\u0442\u0430\u043c\u0438 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438 A, C \u0438 F?<\/h3>\n

\u041a\u043b\u0430\u0441\u0441 \u0410 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0441\u0430\u043c\u044b\u0435 \u0436\u0435\u0441\u0442\u043a\u0438\u0435 \u0434\u043e\u043f\u0443\u0441\u043a\u0438 \u0434\u043b\u044f \u0432\u044b\u0441\u043e\u043a\u043e\u0442\u043e\u0447\u043d\u044b\u0445 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u043a\u043b\u0430\u0441\u0441 \u0421 \u2014 \u0434\u043b\u044f \u043e\u0431\u0449\u0435\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f, \u0430 \u043a\u043b\u0430\u0441\u0441 F \u2014 \u0434\u043b\u044f \u0442\u043e\u0447\u043d\u044b\u0445 \u0434\u043e\u043f\u0443\u0441\u043a\u043e\u0432 \u0432 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0445 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f\u0445, \u043a\u0430\u043a \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e \u0443\u043a\u0430\u0437\u0430\u043d\u043e \u0432 \u0442\u0430\u0431\u043b\u0438\u0446\u0430\u0445.<\/p>\n<\/div>\n

\n

\u041a\u043e\u0433\u0434\u0430 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0438\u0437\u043c\u0435\u0440\u044f\u0442\u044c \u0434\u043e\u043f\u0443\u0441\u043a\u0438?<\/h3>\n

\u0414\u043e\u043f\u0443\u0441\u043a\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u0434\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438, \u0430 \u0442\u043e\u043b\u0449\u0438\u043d\u0430 \u0438 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u0438\u0437\u043c\u0435\u0440\u044f\u044e\u0442\u0441\u044f \u043f\u043e\u0441\u043b\u0435 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f \u0437\u0430\u0443\u0441\u0435\u043d\u0446\u0435\u0432, \u0447\u0442\u043e\u0431\u044b \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c \u043d\u0435\u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0435\u0439, \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u043c\u0438 \u0434\u0435\u0444\u0435\u043a\u0442\u0430\u043c\u0438.<\/p>\n<\/div>\n

\n

\u041a\u0430\u043a \u044d\u0442\u043e\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u0441\u043e\u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u0441 ISO 4759-3?<\/h3>\n

\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442 GB\/T 3103.3-2020 \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u0435\u043d \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0443 ISO 4759-3:2016, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044f \u0433\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u0443\u044e \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0434\u043e\u043f\u0443\u0441\u043a\u043e\u0432 \u0434\u043b\u044f \u043f\u043b\u043e\u0441\u043a\u0438\u0445 \u0448\u0430\u0439\u0431.<\/p>\n<\/div>\n

\n

\u0427\u0442\u043e \u0435\u0441\u043b\u0438 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u044b \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438 \u0431\u0443\u0434\u0443\u0442 \u043e\u0442\u043b\u0438\u0447\u0430\u0442\u044c\u0441\u044f \u043e\u0442 \u044d\u0442\u0438\u0445?<\/h3>\n

\u041f\u0440\u0438\u043e\u0440\u0438\u0442\u0435\u0442 \u043e\u0442\u0434\u0430\u0435\u0442\u0441\u044f \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430\u043c, \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u044b\u043c \u0434\u043b\u044f \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430, \u043e\u0434\u043d\u0430\u043a\u043e \u043e\u0442\u043a\u043b\u043e\u043d\u0435\u043d\u0438\u044f \u0442\u0440\u0435\u0431\u0443\u044e\u0442 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043e\u0431\u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0438\u044f.<\/p>\n<\/div>\n

\n

\u041e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b \u043b\u0438 \u0444\u0430\u0441\u043a\u0438?<\/h3>\n

\u0414\u043b\u044f \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043e\u0441\u0442\u0440\u044b\u0445 \u043a\u0440\u043e\u043c\u043e\u043a \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0444\u0430\u0441\u043a\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0437\u0430\u0432\u0438\u0441\u044f\u0442 \u043e\u0442 \u0442\u043e\u043b\u0449\u0438\u043d\u044b \u0438 \u043c\u0430\u0440\u043a\u0438 \u0448\u0430\u0439\u0431\u044b; \u0434\u043b\u044f \u043a\u043e\u043c\u0431\u0438\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0448\u0430\u0439\u0431 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0442\u0440\u0435\u0431\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0435 \u0438\u0445 \u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u044f.<\/p>\n<\/div>\n

\n

\u041a\u0430\u043a \u0432\u044b\u0431\u0440\u0430\u0442\u044c \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0449\u0443\u044e \u043e\u0446\u0435\u043d\u043a\u0443 \u0434\u043b\u044f \u0437\u0430\u044f\u0432\u043b\u0435\u043d\u0438\u044f?<\/h3>\n

\u0412\u044b\u0431\u0438\u0440\u0430\u0439\u0442\u0435 \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438 \u0441\u0431\u043e\u0440\u043a\u0438: A \u2014 \u0434\u043b\u044f \u0434\u0435\u0442\u0430\u043b\u0435\u0439, \u043f\u043e\u0434\u0432\u0435\u0440\u0436\u0435\u043d\u043d\u044b\u0445 \u0432\u044b\u0441\u043e\u043a\u0438\u043c \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0430\u043c, C \u2014 \u0434\u043b\u044f \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0445 \u0431\u043e\u043b\u0442\u043e\u0432\u044b\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439, \u0443\u0447\u0438\u0442\u044b\u0432\u0430\u044f \u0442\u0430\u043a\u0438\u0435 \u0444\u0430\u043a\u0442\u043e\u0440\u044b, \u043a\u0430\u043a \u0432\u0438\u0431\u0440\u0430\u0446\u0438\u044f \u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438.<\/p>\n<\/div>\n<\/div>\n

<\/div>\n

<\/p>\n<\/div>\n

[\/et_pb_text][\/et_pb_column]
\n\t\t\t[\/et_pb_row]
\n\t\t[\/et_pb_section]<\/p>","protected":false},"excerpt":{"rendered":"

\u0420\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u043f\u043e \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u043c \u0434\u043b\u044f \u043f\u043b\u043e\u0441\u043a\u0438\u0445 \u0448\u0430\u0439\u0431 GB\/T 3103.3-2020. \u0414\u043e\u043f\u0443\u0441\u043a\u0438 \u0434\u043b\u044f \u043f\u043b\u043e\u0441\u043a\u0438\u0445 \u0448\u0430\u0439\u0431. 1. \u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435. \u041f\u043b\u043e\u0441\u043a\u0438\u0435 \u0448\u0430\u0439\u0431\u044b \u0438\u0433\u0440\u0430\u044e\u0442 \u0432\u0430\u0436\u043d\u0435\u0439\u0448\u0443\u044e \u0440\u043e\u043b\u044c \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u043a\u0440\u0435\u043f\u043b\u0435\u043d\u0438\u044f, \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u044f \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438, \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0430\u044f \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u0435 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438 \u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044f \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u0441\u0431\u043e\u0440\u043a\u0438. \u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442 GB\/T 3103.3-2020 \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442 \u0434\u043e\u043f\u0443\u0441\u043a\u0438 \u0434\u043b\u044f \u043f\u043b\u043e\u0441\u043a\u0438\u0445 \u0448\u0430\u0439\u0431 \u0441 \u043d\u043e\u043c\u0438\u043d\u0430\u043b\u044c\u043d\u044b\u043c \u0434\u0438\u0430\u043c\u0435\u0442\u0440\u043e\u043c \u043e\u0442 1 \u043c\u043c \u0434\u043e 150 \u043c\u043c, \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u043c\u044b\u0435 \u043a \u0438\u0437\u0434\u0435\u043b\u0438\u044f\u043c \u043a\u043b\u0430\u0441\u0441\u0430 \u0410, [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"

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GB\/T 3103.3-2020 Flat Washer Tolerances Guide<\/h1>\r\n
Tolerances for Flat Washers<\/div>\r\n\r\n
\r\n

1. Introduction<\/h2>\r\nFlat washers play a critical role in fastening systems by distributing loads, preventing surface damage, and ensuring assembly integrity. The GB\/T 3103.3-2020 standard specifies tolerances for plain flat washers with nominal diameters from 1 mm to 150 mm, applicable to product grades A, C, and F. This standard is essential for maintaining precision in mechanical engineering, automotive, aerospace, and construction industries.\r\n\r\nAdopted from ISO 4759-3:2016, it ensures compatibility with international practices, promoting quality control and interchangeability. This guide details tolerances for inner hole, outer diameter, thickness, chamfers, and form\/position attributes, aiding engineers in design and procurement.\r\n\r\n<\/div>\r\n\r\n
\r\n

2. GB\/T 3103.3-2020 Standard Overview<\/h2>\r\nReleased in 2020 by the Standardization Administration of China, this standard updates previous versions to align with global advancements in fastener technology. It applies to plain washers used with bolts, screws, and nuts, excluding special types like lock washers.\r\n\r\nKey content includes dimensional tolerances before surface treatment, with provisions for deviations only when technically justified. Shape and position tolerances follow GB\/T 1182 and GB\/T 16671.\r\n\r\n<\/div>\r\n\r\n
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3. Basic Principles of Flat Washer Tolerances<\/h2>\r\nTolerances ensure washers fit precisely in assemblies, preventing failures due to misalignment or excessive play. They are defined for product grades: A (precision), C (general), and F (fine). Unless specified otherwise, tolerances apply pre-treatment.\r\n\r\nKey parameters include inner diameter (d1<\/sub>), outer diameter (d2<\/sub>), thickness (t), chamfers (c1<\/sub>, c2<\/sub>), and form tolerances like coaxiality and flatness.\r\n\r\n<\/div>\r\n\r\n
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4. Detailed Tolerance Specifications<\/h2>\r\n
4.1 Inner Hole d1<\/sub><\/div>\r\n \r\n

Tolerances for inner hole d1<\/sub> vary by thickness and product grade.<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Thickness<\/th>\r\nTolerances<\/th>\r\n<\/tr>\r\n
Product Grade<\/th>\r\n<\/tr>\r\n
F<\/th>\r\nA<\/th>\r\nC<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
t < 2\r\n2 \u2264 t < 4\r\nt \u2265 4<\/td>\r\nd1<\/sub>\r\nTolerance<\/td>\r\nt1<\/sub>\r\nmin<\/td>\r\ne1<\/sub>\r\nmax<\/td>\r\nd1<\/sub>\r\nTolerance<\/td>\r\nt1<\/sub>\r\nmin<\/td>\r\ne1<\/sub>\r\nmax<\/td>\r\nd1<\/sub>\r\nTolerance<\/td>\r\n<\/tr>\r\n
H12<\/td>\r\n0.5 t<\/td>\r\n0.10 t<\/td>\r\nH13<\/td>\r\n0.3 t<\/td>\r\n0.15 t<\/td>\r\nH14<\/td>\r\n<\/tr>\r\n
H12<\/td>\r\n0.3 t<\/td>\r\n0.15 t<\/td>\r\nH13<\/td>\r\n0.25 t<\/td>\r\n0.20 t<\/td>\r\nH14<\/td>\r\n<\/tr>\r\n
H13<\/td>\r\n0.2 t<\/td>\r\n0.20 t<\/td>\r\nH14<\/td>\r\n0.2 t<\/td>\r\n0.25 t<\/td>\r\nH15<\/td>\r\n<\/tr>\r\n
Burring not defined but permitted<\/td>\r\nTear band (e1<\/sub>), t1<\/sub> and burring not defined but permitted<\/td>\r\n<\/tr>\r\n
t1<\/sub> is the portion of the hole within the specified tolerance of d1<\/sub><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
4.2 Outer Diameter d2<\/sub><\/div>\r\n \r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Thickness<\/th>\r\nTolerances<\/th>\r\n<\/tr>\r\n
Product Grade<\/th>\r\n<\/tr>\r\n
F<\/th>\r\nA<\/th>\r\nC<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
t < 2\r\n2 \u2264 t < 4\r\nt \u2265 4<\/td>\r\nd2<\/sub>\r\nTolerance<\/td>\r\ne2<\/sub>\r\nmax<\/td>\r\nd2<\/sub>\r\nTolerance<\/td>\r\ne2<\/sub>\r\nmax<\/td>\r\nd2<\/sub>\r\nTolerance<\/td>\r\n<\/tr>\r\n
h13<\/td>\r\n0.13 t<\/td>\r\nh14<\/td>\r\n0.18 t<\/td>\r\nh16<\/td>\r\n<\/tr>\r\n
h13<\/td>\r\n0.15 t<\/td>\r\nh14<\/td>\r\n0.20 t<\/td>\r\nh16<\/td>\r\n<\/tr>\r\n
h14<\/td>\r\n0.18 t<\/td>\r\nh15<\/td>\r\n0.25 t<\/td>\r\nh16<\/td>\r\n<\/tr>\r\n
Burring and t2<\/sub> not defined but permitted<\/td>\r\nTear band (e2<\/sub>), t2<\/sub> and burring not defined but permitted<\/td>\r\n<\/tr>\r\n
t2<\/sub> is the portion of the outer diameter within the specified tolerance of d2<\/sub><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
4.3 Thickness t<\/div>\r\n

Thickness tolerances measured after deburring.<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Thickness t<\/th>\r\nProduct Grade<\/th>\r\n<\/tr>\r\n
F<\/th>\r\nA<\/th>\r\nC<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
t \u2264 0.5<\/td>\r\n\u00b10.04<\/td>\r\n\u00b10.05<\/td>\r\n\u00b10.10<\/td>\r\n<\/tr>\r\n
0.5 < t \u2264 1<\/td>\r\n\u00b10.06<\/td>\r\n\u00b10.10<\/td>\r\n\u00b10.20<\/td>\r\n<\/tr>\r\n
1 < t \u2264 2.5<\/td>\r\n\u00b10.12<\/td>\r\n\u00b10.20<\/td>\r\n\u00b10.30<\/td>\r\n<\/tr>\r\n
2.5 < t \u2264 4<\/td>\r\n\u00b10.16<\/td>\r\n\u00b10.30<\/td>\r\n\u00b10.60<\/td>\r\n<\/tr>\r\n
4 < t \u2264 6<\/td>\r\n\u00b10.20<\/td>\r\n\u00b10.60<\/td>\r\n\u00b11.00<\/td>\r\n<\/tr>\r\n
6 < t \u2264 10<\/td>\r\n\u00b10.24<\/td>\r\n\u00b11.00<\/td>\r\n\u00b11.20<\/td>\r\n<\/tr>\r\n
10 < t \u2264 20<\/td>\r\n\u00b10.28<\/td>\r\n\u00b11.20<\/td>\r\n\u00b11.60<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
4.4 Chamfers<\/div>\r\n \r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Nominal Thickness<\/th>\r\nProduct Grade<\/th>\r\n<\/tr>\r\n
F<\/th>\r\nA<\/th>\r\nC<\/th>\r\n<\/tr>\r\n
c1<\/sub>\r\nmin<\/th>\r\nc2<\/sub>\r\nmin<\/th>\r\nc1<\/sub>\r\nmin<\/th>\r\nc2<\/sub>\r\nmin<\/th>\r\nc1<\/sub>\r\nmin<\/th>\r\nc2<\/sub>\r\nmin<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
1 \u2264 t < 2<\/td>\r\n0.20 t<\/td>\r\n0.25 t<\/td>\r\n0.20 t<\/td>\r\n0.25 t<\/td>\r\n0.20 t<\/td>\r\n0.25 t<\/td>\r\n<\/tr>\r\n
2 \u2264 t < 4<\/td>\r\n0.18 t<\/td>\r\n0.22 t<\/td>\r\n0.18 t<\/td>\r\n0.22 t<\/td>\r\n0.18 t<\/td>\r\n0.22 t<\/td>\r\n<\/tr>\r\n
t \u2265 4<\/td>\r\n0.15 t<\/td>\r\n0.20 t<\/td>\r\n0.15 t<\/td>\r\n0.20 t<\/td>\r\n0.15 t<\/td>\r\n0.20 t<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
4.4.3 Combined Washers Supplementary Requirements<\/div>\r\nUpon buyer request, chamfer position relative to stamping deviations should be specified in the order.\r\n
4.5 Form and Position Tolerances<\/div>\r\n

\u0394t applies outside x = 0.1 (d2<\/sub> - d1<\/sub>), i.e., 60% of ring width.<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Thickness t<\/th>\r\nProduct Grade<\/th>\r\n<\/tr>\r\n
F<\/th>\r\nA<\/th>\r\nC<\/th>\r\n<\/tr>\r\n
\u0394t\r\nmax<\/th>\r\n\u0394t\r\nmax<\/th>\r\n<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
t \u2264 0.5<\/td>\r\n0.02<\/td>\r\n0.025<\/td>\r\nNo requirement<\/td>\r\n<\/tr>\r\n
0.5 < t \u2264 1<\/td>\r\n0.03<\/td>\r\n0.05<\/td>\r\n<\/tr>\r\n
1 < t \u2264 2.5<\/td>\r\n0.06<\/td>\r\n0.1<\/td>\r\n<\/tr>\r\n
2.5 < t \u2264 4<\/td>\r\n0.08<\/td>\r\n0.15<\/td>\r\n<\/tr>\r\n
4 < t \u2264 6<\/td>\r\n0.1<\/td>\r\n0.2<\/td>\r\n<\/tr>\r\n
6 < t \u2264 10<\/td>\r\n0.12<\/td>\r\n0.3<\/td>\r\n<\/tr>\r\n
10 < t \u2264 20<\/td>\r\n0.14<\/td>\r\n0.4<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
4.5.2 Coaxiality y<\/div>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Thickness t<\/th>\r\nProduct Grade<\/th>\r\n<\/tr>\r\n
F<\/th>\r\nA<\/th>\r\nC<\/th>\r\n<\/tr>\r\n
y\r\nmax<\/th>\r\ny\r\nmax<\/th>\r\ny\r\nmax<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
t < 2<\/td>\r\n2 IT11<\/td>\r\n2 IT12<\/td>\r\n2 IT13<\/td>\r\n<\/tr>\r\n
2 \u2264 t \u2264 4<\/td>\r\n2 IT12<\/td>\r\n2 IT13<\/td>\r\n2 IT14<\/td>\r\n<\/tr>\r\n
t \u2265 4<\/td>\r\n2 IT13<\/td>\r\n2 IT14<\/td>\r\n2 IT15<\/td>\r\n<\/tr>\r\n
Tolerance y based on diameter d2<\/sub><\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n
4.5.3 Flatness (Deflection) z<\/div>\r\n

Flatness z is the difference between effective height heff<\/sub> and effective thickness teff<\/sub>. Note: Independent of thickness tolerance; additional processes like grinding may reduce deflection. Measured after deburring.<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Thickness t<\/th>\r\nProduct Grade<\/th>\r\n<\/tr>\r\n
F<\/th>\r\nA<\/th>\r\nC<\/th>\r\n<\/tr>\r\n
z\r\nmax<\/th>\r\nz\r\nmax<\/th>\r\nz\r\nmax<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
t \u2264 0.5<\/td>\r\n0.07<\/td>\r\n0.1<\/td>\r\n0.13<\/td>\r\n<\/tr>\r\n
0.5 < t \u2264 1<\/td>\r\n0.1<\/td>\r\n0.15<\/td>\r\n0.2<\/td>\r\n<\/tr>\r\n
1 < t \u2264 2.5<\/td>\r\n0.2<\/td>\r\n0.2<\/td>\r\n0.25<\/td>\r\n<\/tr>\r\n
2.5 < t \u2264 4<\/td>\r\n0.3<\/td>\r\n0.3<\/td>\r\n0.3<\/td>\r\n<\/tr>\r\n
4 < t \u2264 6<\/td>\r\n0.4<\/td>\r\n0.4<\/td>\r\n0.4<\/td>\r\n<\/tr>\r\n
6 < t \u2264 10<\/td>\r\n0.6<\/td>\r\n0.6<\/td>\r\n0.6<\/td>\r\n<\/tr>\r\n
10 < t \u2264 20<\/td>\r\n1<\/td>\r\n1<\/td>\r\n1<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n\r\n
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5. Key Requirements in GB\/T 3103.3-2020<\/h2>\r\nTolerances must be verified pre-surface treatment. Product standards take precedence if differing. Measurements for thickness and flatness occur post-deburring to ensure accuracy.\r\n\r\n<\/div>\r\n\r\n
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6. Precision and Error Analysis<\/h2>\r\nErrors may arise from manufacturing processes like stamping, leading to burring or coaxiality issues. Improve accuracy via precise tooling and post-processing. Common errors include ignoring chamfer specs; resolve by adhering to grade-specific tables.\r\n\r\n<\/div>\r\n\r\n
\r\n

7. Impact of GB\/T 3103.3-2020 on Industry<\/h2>\r\nThis standard enhances material research by standardizing tolerances, aids quality control in manufacturing, and supports applications in high-precision sectors like aerospace, where grade A washers ensure reliability.\r\n\r\n<\/div>\r\n\r\n
\r\n

8. Frequently Asked Questions (FAQ)<\/h2>\r\n
\r\n

What is the difference between product grades A, C, and F?<\/h3>\r\nGrade A offers the tightest tolerances for precision applications, C for general use, and F for fine tolerances in specific scenarios, as detailed in the tables.\r\n\r\n<\/div>\r\n
\r\n

When should tolerances be measured?<\/h3>\r\nTolerances apply before surface treatment, with thickness and flatness measured after deburring to avoid inaccuracies from manufacturing artifacts.\r\n\r\n<\/div>\r\n
\r\n

How does this standard compare to ISO 4759-3?<\/h3>\r\nGB\/T 3103.3-2020 is equivalent to ISO 4759-3:2016, ensuring global compatibility for tolerances on flat washers.\r\n\r\n<\/div>\r\n
\r\n

What if product standards differ from this?<\/h3>\r\nProduct-specific standards take precedence, but deviations require technical justification.\r\n\r\n<\/div>\r\n
\r\n

Are chamfers mandatory?<\/h3>\r\nMinimum chamfers are specified to prevent sharp edges, with values based on thickness and grade; for combined washers, position may need specification.\r\n\r\n<\/div>\r\n
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How to select the appropriate grade for an application?<\/h3>\r\nChoose based on assembly precision: A for high-load critical parts, C for standard bolting, considering factors like vibration and load distribution.\r\n\r\n<\/div>\r\n<\/div>\r\n
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