L=√S^2+(3.14D)
=200^2+(3.14*200)
=659
l=√S^2+(3.14d)
=200^2+(3.14*90)
=346
b=(D-d)/2
=55
r=lb/(L-l)
=60.7
R=r+b
=60.7+55
=115.7
螺旋片的下料尺寸为:外径115.7*2=231.6mm;内径60.7*2=121.6mm。
L=√S^2+(3.14D)
=200^2+(3.14*200)
=659
l=√S^2+(3.14d)
=200^2+(3.14*90)
=346
b=(D-d)/2
=55
r=lb/(L-l)
=60.7
R=r+b
=60.7+55
=115.7
螺旋片的下料尺寸为:外径115.7*2=231.6mm;内径60.7*2=121.6mm。