... kính vòng chân
D
i1
=d
1
-2 m
n
-2 c=d
1
-2 m
n
-2 .0,25 m
n
=d
1
-2 ,5 m
n
=66, 9-2 ,5.2=61,9 mm
D
i2
=d
2
-2 m
n
-2 c=d
2
-2 m
n
-2 .0,25 m
n
=d
c2
-2 ,5 m
n
=227,0 8-2 ,5.2=222,08 mm
12. Tính ... D
i1
=d
c1
-2 m-2c=d
c1
-2 m-2.0,25m=d
c1
-2 ,5m=97, 5-0 ,25.2,5= 91,25 mm
D
i2
=d
c2
-2 m-2c=d
c2
-2 m-2.0,25m=d
c2
-2 ,5m=27...