һĽṹ
пתλǽתλӲʺϽƬûеķгڵγɵijһɵƬ桢нԪ͵(ͼ1)
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ͼ1 пתλ
ݼнṹIJͬɷΪ¼ʽ
ƫʽ(ͼ2)
ƫʽнṹݶ϶˵һƫὫƬнڵϣýṹƫļнݶṹ㣬˫߶λƫСʱҪƬľȸߣƫʱµƬɶƫʽнṹƽijϡ
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ͼ2 ƫʽнṹ
ܸʽ(ͼ3)
ܸʽнṹӦøܸԭԵƬмнݶʱܸͨ˲нӶƬλڵ۲ϣݶʱƬɿԲͲεƬɱֵλòýṹصǶλȸߡйο÷㣬Խϲ
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ͼ3 ܸʽнṹ
Шʽ(ͼ4)
ƬڿλڵƬ۵ϣбѹѹݶѹʱШһ濿ϵ̨һ潫ƬƬмԲѹƬýṹصDz㣬λȽϵͣҼн෴
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ͼ4 Шʽнṹ
۲úּнʽƬڼнʱٵƬװжλҪĶλнԭĺڵƬ֧ܽڡڵƬܱ߳ߴ綨λ㶨λԭװĺڶλ(Ƭ뵶)ĦʹƬ붨λĽнԭ1ʾ
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תλƬ״ΡΡΡΡκԲεȣӲʺϽѹģΣʹƬйʱѡõļβ(ĥ);ͬʱƬ3ϹתλõУһĥɿнƬתλһУɽжĥȡ£µͬ͵ĵƬ
תλƬ;ɷΪԲ뾫ƬԲƬڿƬжϵƬƳƬ⣬ƬַΪǺͲк֣ƬеĿΪгֵƬãƬкǣƬװ˵ʱͲҪװǣƬǣڵƬװ˵ʱҪƬװһǡֵͻгƬͳļβ
гƬǰg=20㣬a=8~9㣬a'=6㡫8㣬ƫKr=90㣬ƫKr'=5㣬l=0㡫1㣬Ϊ-5(0.050.1)Բ뾶R=0.10.2mm(ͼ5)
![ѹ](http://info.cut35.com/UploadFile/WebPic/20080805095311857.gif)
ͼ5 Ƭĥ()β
뾫гƬ:ǰg=20㣬a6㡫7㣬ƫKr=90㡢4580֣ƫKr'=1045֣Ϊ-5(0.20.5)Բ뾶R=0.20.5mm(ͼ6)
![ѹ](http://info.cut35.com/UploadFile/WebPic/20080805095247175.gif)
ͼ6 뾫Ƭĥ()β
гһùǰ20㣬8㡫9㣬Шb62㡣ͨʵ֪Шǻʹ֮СШǣҲСھӹʱӦýСШǣӶʹ߷졣ͨѡΪ0㡫1㣬ѡСʹмڶмų⻮Ѽӹ档ǡƫǽСʹ빤ѼӹнϳĽӴﵽȷ켣ͱֲڶȵĿġƫΪ90㣬ܽ;Ӧ̨ļӹ
뾫гڴּӹͰ뾫ӹʱгɣʱгɵĵƫͨΪ4580֣ʱɵĵƫͨΪ90㡣ƫ4580İ뾫гΪ90㣬ǿǿ;ƫΪ90İ뾫гΪ80㡣Ϊ0㡫1㣬Ϊ6 7㣬Ϊ-10(0.10.2)ʱɸʵĥ0.5mm
֪ӹгƵԭǿ߷Ⱥͻýı뾫ӹгƵԭǿǿȡڿתλĽǶɵƬĽǶȺ͵ϵƬ۵ĽǶۺ϶ɣֵΪزּνǶȵĴ͡
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תλߵǰǵڵƬ뵶ƽеǰǵĴ
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g0=g0Ƭ+g0
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תλߵĺǵڵƬƽеĺ뵶ƽеǰ֮
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a0=a0Ƭ-g0
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תλߵǵڵƬ뵶ǵĴ
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ls=lsƬ+ls
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ƫ
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תλߵƫɵƫǾ
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Kr=Kr
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ͨԻпתλĽṹβܵķ֪ƬĽṹҪӰ졣ʵУĽṹDzģֻͨı䵶ƬļβƻпתλܣӶʹӹдﵽѵ״̬
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