.0572.186.048.223121800.384.033.0230.691.5276131.9033.622.085.938.008131650.344.032.7710.691.4428181.7873.1921.975.827.787141500.314.032.5190.691.3527191.6652.7731.865.77.556151350.284.032.2670.691.2561751.5372.3641.755.577.315161200.254.032.0150.691.1515641.4021.9641.635.437.06171050.224.031.7630.691.0364481.2551.5761.55.296.7918900.194.031.5110.690.9068351.0941.1981.375.126.4984.椭圆形断面计算当计算圆形断面半径时,蜗壳的圆形断面不能与座环蝶形边相切,须由圆断面过渡到椭面断面。圆断面计算中,当=90时,,即=90时,蜗壳形状已经是椭圆形,即应按椭圆断面计算。椭圆短半径:与圆的同等面积:椭圆断面长半径,椭圆断面中心距椭圆断面外径计算结果如下表1900.18751.3535.96351.401471.294914.90486.30632750.15631.2164.85581.333221.06744.62725.96053600.1251.0683.7981.261460.82824.33545.59694450.09380.9072.79441.185240.574144.02555.21075300.06250.7221.85141.103130.300423.69154.79466150.03130.4950.98011.01284-0.00053.32434.3372蜗壳图绘制于10、11页