齿轮各项公差表

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1、一齿径向综合公差fi″值　mm分度圆直径mm法向模数mm精度等级大于到5678910—1251～3.5＞3.5～6.3＞6.3～101013141418202025282836403645504556631254001～3.5＞3.5～6.3＞6.3～10＞10～161114161816202225222832363240455040505663506371804008001～3.5＞3.5～6.3＞6.3～10＞10～1613141620182022282528324036404556455056715663719080016001～3.5＞3.5～6.3＞6.3～10＞10～16141

2、618202022252828323640404550565056637163718090齿坯尺寸和形状公差齿轮精度等级①5678910孔尺寸公差形状公差1T51T61T71T8轴尺寸公差形状公差1T51T61T7顶圆直径②1T71T81T9注：①当三个公差组的精度等级不同时，按最高的精度等级确定公差值。　　②若顶圆不作测量齿厚的基准，尺寸公差按1T11给定，但不大于0.1mn。标准公差数值μm基本尺寸mm公差等级1T011T01T11T21T31T41T51T61T71T81T91T101T111T121T131T141T151T161T171T18≤30.30.50.81.223461

3、014254060100140250400600100014003～60.40.611.52.54581218304875120180300480750120018006～100.40.611.52.546915223658901502203605809001500220010～180.50.81.22358111827437011018027043070011001800270018～300.611.52.5469132133528413021033052084013002100330030～500.611.52.5471116253962100160250390620100016002

4、500390050～800.81.223581319304674120190300460740120019003000460080～12011.52.5461015223554871402203505408701400220035005400120～1801.223.558121825406310016025040063010001600250040006300180～250234.5710142029467211518529046072011501850290046007200250～3152.54681216233252811302103205208101300210032005200

5、8100315～400357913182536578914023036057089014002300360057008900400～5004681015202740639715525040063097015502500400063009700500～6304.5691116223044701101752804407001100175028004400700011000630～80057101318253550801252003205008001250200032005000800012500齿坯基准面径向跳动*和端面圆跳动公差　mm分度圆直径（mm）精度等级大于到5、67、89、10—12

6、54008001254008001600111420281822324528365071注：*当以顶圆作基准面时，本栏就指顶圆的径向跳动。齿轮的表面粗糙度(Ra)推荐值　mm第Ⅱ公差组精度等级5678910Ra齿面0.40.4，0.80.8，1.61.63.26.3齿顶圆柱面0.81.61.6，3.23.26.312.5基准端面0.81.61.6，3.23.23.26.3基准孔或轴0.2，0.40.80.8，1.61.63.23.2注：本表不属GB10095-88，供参考。非变位直齿圆柱齿轮分度圆上弦齿厚及弦齿高（a0=20°,ha*=1）1011121314151617181920212

7、223241.56431.56551.56631.56701.56751.56791.56831.56861.56881.56901.56921.56941.56951.56961.56971.06161.05601.05141.04741.04401.04111.03851.03621.03421.03241.03081.02941.02811.02681.0257525354555657585960616263646