型号 |
主要尺寸(mm) |
重量 (g) |
|
d |
F |
B |
IR/LR12x15x22.5
|
12
|
15
|
22.5
|
=((C39*C39*3.1415926/4-B39*B39*3.1415926/4)*D39)*7.8/1000
|
|
R14x17x17
|
14
|
17
|
17
|
=((C40*C40*3.1415926/4-B40*B40*3.1415926/4)*D40)*7.8/1000
|
|
IR15x18x16
|
15
|
18
|
16
|
=((C41*C41*3.1415926/4-B41*B41*3.1415926/4)*D41)*7.8/1000
|
|
IR15x18x16.5
|
15
|
18
|
16.5
|
=((C42*C42*3.1415926/4-B42*B42*3.1415926/4)*D42)*7.8/1000
|
|
IR15x19x16
|
15
|
19
|
16
|
=((C43*C43*3.1415926/4-B43*B43*3.1415926/4)*D43)*7.8/1000
|
|
IR15x19x20
|
15
|
19
|
20
|
=((C44*C44*3.1415926/4-B44*B44*3.1415926/4)*D44)*7.8/1000
|
|
IR15x20x12
|
15
|
20
|
12
|
=((C45*C45*3.1415926/4-B45*B45*3.1415926/4)*D45)*7.8/1000
|
|
IR15x20x13
|
15
|
20
|
13
|
=((C46*C46*3.1415926/4-B46*B46*3.1415926/4)*D46)*7.8/1000
|
|
IR15x20x14
|
15
|
20
|
14
|
=((C47*C47*3.1415926/4-B47*B47*3.1415926/4)*D47)*7.8/1000
|
|
IR15x20x23
|
15
|
20
|
23
|
=((C48*C48*3.1415926/4-B48*B48*3.1415926/4)*D48)*7.8/1000
|
|
LR15x18x12.5
|
15
|
18
|
12.5
|
=((C49*C49*3.1415926/4-B49*B49*3.1415926/4)*D49)*7.8/1000
|
|
IR17x20x16
|
17
|
20
|
16
|
=((C50*C50*3.1415926/4-B50*B50*3.1415926/4)*D50)*7.8/1000
|
|