常用??介?EDITOR:IANWEIDATE:2006/06/22REV:1????1.正??(spurgear):?筋平行於?之?筒??2.螺旋??(helicalgear):?筋?螺旋?的?筒??2013/3/16EDITOR:IANWEI1????3.???(bevelgear):在相交的2??????的??形??4.????(wormgear):???(worm)?其所?合之??(wormwheel)?成之???，通常??接?，?角常???角2013/3/16EDITOR:IANWEI2????5.行星??系(sungear+planetarygear):行星??系??是由太???行星??,行星??架,?????架?成的6.??(rack):在某?度的平板或直棒的一面，等?隔刻出同形的?2013/3/16EDITOR:IANWEI3???元1.2.3.4.5.6.7.基?(basecircle):做成????形所依?的???(pitchcircle):用??定??各部尺寸的基????(pitchdiameter:d0):?定??尺寸之基??直?d0=m×z??(diametralpitch:Pd):度量??大小的英制?位Pd=25.4/m模?(module:m):度量??大小的公制?位,m=25.4/Pd?力角(pressureangle:α0):半????型切?的?角基??距(pitch:t0):相????相???的弧?距?2013/3/16EDITOR:IANWEI4???元8.???(addendumcircle:dk):?端所?成之?，在??之正剖面9.?根?(rootcircle:df):??所?成之?，在??之正剖面10.?冠高(addendum:hk):???至???之距?11.?根高(dedendum:hf):???至?根?之距?12.弦?厚(chordalthickness:sj):?????相交2?之距?13.?弧?厚(circularthickness:s0):??上?一?之弧?14.跨?厚(circularthickness:sm):以平行?定於相???之厚度2013/3/16EDITOR:IANWEI5???元15.跨?值(measurementoverwires):?量?整????差的累?16.?隙(backlash):??咬合?,?面??面的?隙17.?隙(clearance:ck):某??之?根?搭配??之?冠?之距?18.???角半?(tipradius):????面相?之?角半?19.??角(root/filletradius):??根??接面之最小半?2013/3/16EDITOR:IANWEI6正????要?1.2.3.4.5.6.2?彼此?合的??模?(m)、?力角一定相同中心距(a)必相等於2者???合之2分之一?????，需先?定??之模?及??(z)，才可以?算出??大小?力角通常?用14.5°和20°?用正?????量在17?以上正??基本?算公式(以JIS?基?)d0=m×zhk=m,hf=1.25mck=0.25ms0=πm/2,sj=zm×sin(90°/z)a=(d1+d2)/22013/3/16EDITOR:IANWEI7????1.????基本公式i=?速比ω=?速(rpm)z=??d=??直?ex.FullhouseC9000-40006(z1),C9000-40007(z2),C9000-40008(z3)p=48,α=14.5°,z1=z2=z3=71→ω1=ω2=ω3,v=2πωr→v1=v2=v32013/3/16EDITOR:IANWEI8???格1.常用的??精度??有下列四?:a.JIS(JapanIndustrialStandards)日本工??格JGMA(JapanGearManufacturesAssociation)日本???造??b.DIN(DeutscheIndustrieNormen)德?工??格c.ISO(InternationalOrganizationforStandardization)????化???格d.AGMA(AmericanGearManufacturersAssociation)美????造??以目前常用之???格?JIS?AGMA，JIS??精度共分0~12?，DIN?ISO亦分12?，AGMA??精度由AGMA3?至15?2013/3/16EDITOR:IANWEI9???格AGMA、JIS、DIN???形各部之比例