各類常用未注公差.doc

ISO 2768-1線性尺寸和角度未注公差的相應(yīng)等級要求：直線度平面度圓度、垂直度、對稱度、平行度同軸度ISO2768-2 形狀位置的未注公差的相應(yīng)等級要求大型砂鑄件尺寸公差 DIN 1686 1Lngdeml/ Lngenmae / length 線性長度公差 GTB-18-30-50-80-120-180-250-315-400-500-630-800-1000-1250GTB204,57,588,59101111121314151618GTB194,54,755,566,577,588,59,5101112GTB182,933,23,43,74,14,44,755,566,577,5GTB171,81,922,12,32,52,72,93,13,33,53,84,14,4GTB161,11,21,31,41,51,61,81,922,12,32,42,62,8GTB150,850,9511,11,21,31,41,51,61,71,81,922,2Tykkelse/ Dickenabmae / thickness 厚度公差-6-10-10-30-50-80-120-180GTB20-7,511121314GTB19-4,57,588,5910GTB18-2,54,54,755,56,5-GTB171,52,52,933,23,43,7-GTB161,51,81,81,922,12,3-GTB150,9511,11,21,31,4-鍛件尺寸公差要求（Forged）DIN 1684 - 1Lngdeml/ Lngenmae / length und Dickenmae/Wanddicken/ Hippen/thickness fur formgebunden 線性長度厚度公差Dick-10Dick&Lng-18-30-50-80-120-180-250-315-400-500-630-800-1000GtA17/50.91.11.31.51.92.22.52.93.23.74.14.45.05.5GTA170.750.91.11.31.51.82.02.32.62.93.23.54.04.5GTA16/50.60.70.81.01.21.31.61.82.02.22.42.73.13.6GTA160.450.550.650.80.951.11.31.51.61.82.02.22.52.8Lngdeml/ Lngenmae / length und Dickenmae/Wanddicken/ Hippen/thicknessfur nicht formgebunden非線性（非規(guī)律性）長度和厚度公差Dick-10Dick&Lng-18-30-50-80-120-180-250-315-400-500-630-800-1000GtA17/51.21.41.61.92.22.52.83.23.54.04.44.75.35.8GTA171.11.21.41.61.8.12.32.62.93.23.53.84.34.8GTA16/50.91.01.11.31.51.61.82.12.32.52.73.03.43.9GTA160.750.850.951.11.31.41.51.81.92.12.32.52.83.1Bearbeitungszugaben BZ 規(guī)則形狀平面度公差BIS-50-120-250-400-500-800-1000Bearbeitungszugaben BZ1.51.51.5222.53Eingeschrllnkze Bearbeitungszugaben BZ (slehe Absohnitt 5) 非規(guī)則形狀平面度公差BIS-50-120-250-400Bearbeitungszugaben BZ0.80.80.81焊接件公差要求ISO 13920Lngdeml/ Lngenmae / length 線性長度公差-120-400-1000-2000-4000-8000-12000-16000-2000020000-A 1 1 2 3 4 5 6 7 8 9B 2 2 3 4 6 8 10 12 14 16C 3 4 6 8 11 14 18 21 24 27D 4 7 9 12 16 21 27 32 36 40planhed/ Geradheit und Ebenheit / regularity 非線性和規(guī)律性弧線公差-120-400-1000-2000-4000-8000-12000-16000-2000020000-E0,511,52345678F11,534,56810121416G1,535,59111620222525H2,55914182632364040Vinkelml/ Winkelma / angle 角度公差mm/m-400-10001000-400-10001000-A 20 15 10 6 4,5 3B 45 30 20 13 9 6C 1 45 30 18 13 9D 1 30 1 15 1 26 22 18GBT 1505594 沖壓件未注公差 表1 未注公差沖裁尺寸的極限偏差 mm基本尺寸材料厚度公 差 等 級大于至大于至fmcv0.5310.050.100.150.20130.150.200.300.403610.100.150.200.30140.200.300.400.5540.300.400.600.8063010.150.200.300.40140.300.400.550.7540.450.600.801.203012010.200.300.400.55140.400.550.751.0540.600.801.101.5012040010.250.350.500.70140.500.701.001.4040.751.051.452.10400100010.350.500.701.00140.701.001.402.0041.051.452.102.901000200010.450.650.901.30140.901.301.802.5041.402.002.803.902000400010.701.001.402.00141.402.002.803.9041.802.603.605.00注：對于0.5及0.5以下的尺寸應(yīng)標(biāo)公差。表5 未注公差沖裁角度的極限偏差等級短 邊 長 度，mm101025256363160160400400100010002500f100040030020015010006m130100045030020015010c200130100045030020015v表6 未注公差彎曲角度的極限偏差公差等級短 邊 長 度，mm101025256363160160f115100045030015m200130100045030c300200130115100 v表2 未注公差成形尺寸的極限偏差mm基本尺寸材料厚度公 差 等 級大于至大于至fmcv0.5310.150.200.350.50140.300.450.601.003610.200.300.500.70140.400.601.001.6040.550.901.402.2063010.250.400.601.00140.500.801.302.0040.801.302.003.203012010.300.500.801.30140.601.001.602.5041.001.602.504.0012040010.450.701.101.80140.901.402.203.5041.302.003.305.00400100010.550.901.402.20141.101.702.804.5041.702.804.507.001000200010.801.302.003.30140.901.301.802.5042.003.205.008.00注：對于0.5及0.5以下的尺寸應(yīng)標(biāo)公差。表3 未注公差沖裁圓角半徑的極限偏差 mm基本尺寸材料厚度公 差 等 級大于至大于至fmcv0.5310.150.20140.300.403640.400.6040.601.0063040.600.8041.001.403012041.001.2042.002.4012040041.201.5042.403.0040042.002.4043.003.50表4 未注公差成形圓角半徑的極限偏差 mm基本尺寸3366101018183030極限偏差+1.00-0.30+1.50-0.50+2.50-0.80+3.00-1.00+4.00-1.50+5.00-2.00名稱采用標(biāo)準(zhǔn)號規(guī)格范圍使用說明普通螺紋量規(guī)GB3934M2-M200適用于檢驗(yàn)GB196-81普通螺紋基本尺墳和GB197-81普通螺紋公差與配合用的螺紋量規(guī)。根據(jù)使用性能分為工作螺紋量規(guī)，驗(yàn)收螺紋 量規(guī)和校對螺紋量規(guī)。非螺紋密封的管螺紋量規(guī)GB10922G1/16-G6本標(biāo)準(zhǔn)等效采用國際標(biāo)準(zhǔn)ISO228/2-1980非螺紋密封的管螺紋-第二部分：用極限量規(guī)方法檢驗(yàn)。本標(biāo)準(zhǔn)適用于檢驗(yàn)GB7037非螺紋密封的管螺紋所規(guī)定的管螺紋。光滑極限量規(guī)GB19572-300該標(biāo)準(zhǔn)用于檢驗(yàn)GB1801-79公差與配合尺寸至500MM孔軸公差帶與配合中所推薦的優(yōu)先，常用和一般用途公差帶用量規(guī)尺寸。圓柱管螺紋量規(guī)Q/CL210011G1/8-G6圓柱管螺紋采用蘇聯(lián)6357-52標(biāo)準(zhǔn)，量規(guī)采用2533-54。中徑公差帶精度分為2級和3級。威氏圓錐管螺紋量規(guī)Q/CL210010WKG1/8-WKG4該標(biāo)準(zhǔn)采用6211-52標(biāo)準(zhǔn)，用于檢驗(yàn)代號為ZG的55圓錐管螺紋。用螺紋密封的管螺紋量規(guī)ZBJ42037RB1/16-RB6該標(biāo)準(zhǔn)用于檢驗(yàn)GB7306-87所規(guī)定的圓錐，圓柱螺紋。布氏圓錐管螺紋量規(guī)Q/CL210009BKG1/16-BKG2該標(biāo)準(zhǔn)用于檢驗(yàn)代號為Z的60圓錐管螺紋。美標(biāo)圓錐管螺紋量規(guī)Q/CLl210007NPT1/16-NPT6該標(biāo)準(zhǔn)依據(jù)美國聯(lián)邦螺紋標(biāo)準(zhǔn)FED-STD-H28/7與美國國家標(biāo)準(zhǔn)ANSI B2.1,用于檢驗(yàn)一般用途的美國標(biāo)準(zhǔn)圓錐管螺紋。美標(biāo)統(tǒng)一螺紋量規(guī)尺寸范圍0.06-12英寸，UNC UNF UNEF UN UNS適用于檢驗(yàn)美國國家標(biāo)準(zhǔn)ANSI B1.1-1982和美國聯(lián)邦螺紋標(biāo)準(zhǔn)FED-STD-H28/2,H28/3(1978),公稱直徑0.06-6英寸的統(tǒng)一螺紋系列。氣瓶專用螺紋量規(guī)GB8336PZ19.2-PZ39該標(biāo)準(zhǔn)用于檢驗(yàn)GB8355-87氣瓶專用螺紋所規(guī)定的圓錐螺紋和圓柱管螺紋。石油油管量規(guī)GB9253.6TBG1.05 - 4 1/2TBG該標(biāo)準(zhǔn)用于檢驗(yàn)GB9253.3-88石油油管螺紋。UPTBG1.05-UPTBG4 1/2石油套管量規(guī)GB9253.5短螺紋CSG4 1/2-CSG20該標(biāo)準(zhǔn)用于檢驗(yàn)GB9253.2-88石油套管螺紋所規(guī)定的螺紋。長螺紋LCSG4 1/2-LCSG20石油鉆桿量規(guī)GB4749數(shù)字型：NC23-NC77該標(biāo)準(zhǔn)適用于檢驗(yàn)GB9253.1-88石油鉆桿接頭螺紋所規(guī)定的螺紋。貫眼型：3 1/2FH-6 5/8FH正規(guī)型：2 3/8REG-8 5/8REG內(nèi)平型：2 3/8IF-5 1/2IF抽油桿及其接箍用螺紋量規(guī)GB7229CYG13- CYG29用于檢驗(yàn)GB7229標(biāo)準(zhǔn)規(guī)定的抽油桿及其接箍用螺紋螺紋管接頭惠氏螺紋量規(guī)DIN2999R1/16-R8用于檢驗(yàn)DIN2999標(biāo)準(zhǔn)規(guī)定的螺紋尺寸錐形管螺紋量規(guī)JISB0253PT1/8-PT12用于檢驗(yàn)JISB0253規(guī)定的錐螺紋和圓柱內(nèi)螺紋的尺寸公制銷式塞規(guī)0.1-25.0mm159 備注：標(biāo)準(zhǔn)ISO7-1；DIN2999；BS21；GB7306-87中的螺紋的。這四個(gè)標(biāo)準(zhǔn)是等效的。其中有R、Rp、Rc三種螺紋。R是圓錐外螺紋，Rc是圓錐內(nèi)螺紋，Rp是圓柱內(nèi)螺紋。配合方式是R+Rc或R+Rp。Rp螺紋同G螺紋公稱尺寸是一樣的，只是中徑、小徑公差帶不一樣。0.001,0.002(51支/組,91支/組)英制銷式塞規(guī)0.011-1+0.0002/0， 0/-0.0002國內(nèi)的量規(guī)廠做不了圓弧頂量規(guī)，一般是做平頂?shù)模诹恳?guī)標(biāo)記上要區(qū)別于標(biāo)準(zhǔn)的量規(guī)，一般加個(gè)字母“B”。如果您要查的抗拉強(qiáng)度1000N/mm2，或者維氏硬度310HV，或者布氏硬度300HB，或者洛氏硬度32HRC，請查本表-(DIN50150標(biāo)準(zhǔn)）硬度換算公式：蕭氏硬度(HS)=勃式硬度(BHN)/10+12;蕭氏硬度(HS)=洛式硬度(HRC)+15;勃式硬度(BHN)=洛克式硬度(HV);硬度測定範(fàn)圍: HS100,HB500,HRC70,HV1300抗拉強(qiáng)度RmN/mm2維氏硬度HV布氏硬度HB洛氏硬度HRC抗拉強(qiáng)度RmN/mm2維氏硬度HV布氏硬度HB洛氏硬度HRC2508076-103032030432.22708580.7-106033031433.32859085.2-109534032334.43059590.2-112535033335.532010095-111536034236.633510599.8-119037035237.7350110105-122038036138.8370115109-125539037139.8380120114-129040038040.8400125119-132041039041.8415130124-135042039942.7430135128-138543040943.6450140133-142044041844.5465145138-145545042845.3480150143-148546043746.1490155147-152047044746.9510160152-1555480-45647.7530165156-1595490-46648.4545170162-1630500