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齿轮各项公差的数值表（一）
作者：bearingpower 发表时间：2010-12-12
齿轮各项公差的数值表（一）关键字：齿轮 一齿径向综合公差 fi″值 m m 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＞10～16141618202022252828323640404550565056637163718090 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≤30.30.50.81.223461014254060100140250400600100014003～60.40.611.52.54581218304875120180300480750120018006～100.40.611.52.546915223658901502203605809001500220010～180.50.81.22358111827437011018027043070011001800270018～300.611.52.5469132133528413021033052084013002100330030～500.611.52.5471116253962100160250390620100016002500390050～800.81.223581319304674120190300460740120019003000460080～12011.52.5461015223554871402203505408701400220035005400120～1801.223.558121825406310016025040063010001600250040006300180～250234.5710142029467211518529046072011501850290046007200250～3152.546812162332528113021032052081013002100320052008100315～400357913182536578914023036057089014002300360057008900400～5004681015202740639715525040063097015502500400063009700500～6304.5691116223044701101752804407001100175028004400700011000630～80057101318253550801252003205008001250200032005000800012500 齿坯基准面径向跳动* 和端面圆跳动公差 m m 分度圆直径（mm）精 度 等 级大于到5、67、89、10?1254008001254008001600111420281822324528365071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 m m 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）1011121314151617181920212223241.56431.56551.56631.56701.56751.56791.56831.56861.56881.56901.56921.56941.56951.56961.56971.06161.05601.05141.04741.04401.04111.03851.03621.03421.03241.03081.02941.02811.02681.025752535455565758596061626364656667681.57061.01191.01171.01141.01121.01101.01081.01061.01051.01021.01011.01001.00981.00971.00951.00941.00921.0091969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301.57071.00641.00641.00631.00621.00611.00611.00601.00601.00591.00591.00581.00581.00571.00571.00561.00561.00551.00551.00541.00541.00531.00531.00531.00521.00521.00511.00511.00501.00501.00491.00491.00491.00481.00481.0047 25261.56981.02471.02376970717273747576777879808182838485868788899091929394951.57071.00901.00881.00871.00861.00851.00841.00831.00811.00801.00791.00781.00771.00761.00751.00741.00741.00731.00721.00711.00701.00691.00681.00681.00671.00671.00661.006527281.56991.02281.0220 291.57001.0213 30311.57011.02051.0199 323334351.57021.01931.01871.01811.0176 36371.57031.01711.0167 3839401.57041.01621.01581.0154 4142431.57041.01501.01471.0143 44454647484950511.57051.01401.01371.01341.01311.01281.01261.01231.0121131132133134135140145150齿条1.57081.00471.00471.00471.00461.00461.00441.00421.00411.0000 注：1. 用成形铣刀加工齿轮时，标注和测量分度圆弦齿厚和弦齿高； 用范成法加工时，可以标注或测量固定弦厚和弦齿高。 2. 对于斜齿圆柱齿轮和圆锥齿轮，使用本表时，应以当量齿数zd代替z(斜齿轮：zd=z/cos3bb； 锥齿轮：zd=z/cosd)。zd非整数时，可用插值法求出。 3. 本表不属GB10095-88，供参考。- 市场一部：022-58519722
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