1、DIN5480shaftReference diameterdB6modulem0.8number of teethz6pressure angle30pitchp2.51327addendum modificationx*m0.16addendum if basic rack profilehap0.36addendum of tool basic rack profilehfp0broachingdedendum of basic rack profilehfp0.44tooth depth of basic rack profilehp0.8bottom clearance of bas

2、ic rack profilecp0.08root fillet radius of basic rack profilefp0.128reference circle diameterd4.8base diameterdb4.157tip circle diameter of shaftda15.84root circle diameter of shaftdf14.24minimum form clearanceCfmin0.025base from circle diameter of shaftdFf14.35tip circle diameter of hubda2root circ

3、le diameter of hubdf2minimum form clearanceCfminroot form circle diameter of hub dFf2form clearance of basic rack profileCFP0.016nominal space width on hube2min. effective toleraence limit evmin min. actual reference mark emin max. actual tolerance limit emaxnominal shaft tooth thicknesss11.441max.

4、effective tolerance limit svmax 1.409max. actual reference mark smax 1.383min. actual tolerance limit smin 1.338length L95tolerance class10deviation series d tooth thickness/space widthAs/Ae-0.032tooth thickness tolerance,actual space width Tact0.045tooth thickness tolerance,effective space width Te

5、ff 0.026total tooth tolerance/space widith tolerance TG0.071individual pitch deviationfp0.019total pitch deviation Fp0.045total profile deviation F0.023total helix deviationF0.015runout Fr0.02measuring circle diameter DM 2.25dimension over measuring circle M1 8.998deviation factor for inspection dim

6、ension A*M1 1.100AMeeE-0.064AMei-0.113number of teeth measured for face width measurement k 2base tangent length over k teeth Wk3.648deviation factor for base tangent length WkA*Wk0.866AWeeE-0.0502AWei-0.0892measuring circle diameter DM dimension between measuring circle M2 deviation factor for inspection dimension M2A*M2 AMieAMiiEbase tangent length over k teeth Wkdeviation factor for base tangent length WkA*WkAWieAWiiEhub60.8 mm-630 2.51327 mm-0.16 mm0.360.440.80.080.128-4.8-4.157-4.4-60.025-5.890.0161.4411.4411.4671.5121001