(1)榻掕吉纾ㄦ悕鍚庣殑缍慨
榻掕吉鐨勭（鎼嶉儴浣嶄富瑕佹槸榻掔殑鍤欏悎銆佹几闁嬬窔宸ヤ綔闈㈠拰榻掕吉鍏╃骞抽潰銆傝紩寰（鎼嶆檪锛岄綊闈㈠彲鐢ㄦ补鐭充慨纾紝鍏╃骞宠�屽湪骞虫澘涓婄爺纾ㄤ慨鍏夈�傞綊杓补娉甸綊闈㈠毚閲嶇（鎼嶆檪鎳夋洿鎻涙柊榻掕吉锛屽鏋滃彧鏄綊杓殑鍏╃骞抽潰纾ㄦ悕锛屽彲鍦ㄥ钩闈㈢（搴婁笂纾ㄥ墛淇厜銆傛洿鎻涢綊杓脯绻悗锛屽叾妯℃暩m=3銆侀綊鏁竮=12銆侀綊褰㈣α=20°銆侀綊闋傞珮楂樼郴鏁竑0=1銆侀綊褰㈡璁婁綅绯绘暩x1=x2=0.5鏅傦紝鍚勯儴浣嶅咕浣曞昂瀵歌▓绠楀涓嬨��
鍒嗗害鍦撶洿寰戯細d=mz=3X12=36(mm)
榻掗爞楂橈細ha=m(f0+x)=3X(l+0.5)=4.5(mm)
榻掓牴楂橈細hf[=m(f0+c-x)=3X(l+0.25-0.5)=2.25(mm)
榻掑叏楂橈細h=ha+hf=4.5+2.25=6.75(mm)
榻掗爞鍦撶洿寰戯細Da=d+2ha=36+2X4.5=45(mm)
鍥哄畾寮﹂綊鍘氾細Sxn=m(π/2*cos2a+xsin2a)=3X(1.387+0.6428X0.5)=5.125(mm)
鍥哄畾寮﹂綊鍘氭脯閲忕敤榻掗珮锛歨xn=m(π/8*sin2a+xsin2a)=3X(0.7476X0.117X0.5)=2.42(mm)
妯℃暩m3璁婁綅绯绘暩x0.5
榻掑舰瑙抩20°鍥哄畾寮﹂綊鍘歋xn5.12
榻掗爞楂樼郴鏁竑1鍥哄畾寮﹂綊鍘氭脯鏈�榻掗珮hxn2.42
榻掕吉娌规车闆朵欢鐨勭（鎼嶅垽鏂疯垏鏇存彌
榻掓暩z12
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(4)鍏╃钃嬬（鎼嶄箣鍚庣殑缍慨
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