型号 |
主要尺寸(mm) |
重量 (g) |
|
d |
F |
B |
IR17x20x20
|
17
|
20
|
20
|
=((C51*C51*3.1415926/4-B51*B51*3.1415926/4)*D51)*7.8/1000
|
|
IR17x21x16
|
17
|
21
|
16
|
=((C52*C52*3.1415926/4-B52*B52*3.1415926/4)*D52)*7.8/1000
|
|
IR17x21x20
|
17
|
21
|
20
|
=((C53*C53*3.1415926/4-B53*B53*3.1415926/4)*D53)*7.8/1000
|
|
IR17x22x13
|
17
|
22
|
13
|
=((C54*C54*3.1415926/4-B54*B54*3.1415926/4)*D54)*7.8/1000
|
|
IR17x22x14
|
17
|
22
|
14
|
=((C55*C55*3.1415926/4-B55*B55*3.1415926/4)*D55)*7.8/1000
|
|
IR17x22x16
|
17
|
22
|
16
|
=((C56*C56*3.1415926/4-B56*B56*3.1415926/4)*D56)*7.8/1000
|
|
IR17x22x23
|
17
|
22
|
23
|
=((C57*C57*3.1415926/4-B57*B57*3.1415926/4)*D57)*7.8/1000
|
|
IR17x24x20
|
17
|
24
|
20
|
=((C58*C58*3.1415926/4-B58*B58*3.1415926/4)*D58)*7.8/1000
|
|
IR/LR17x20x16.5
|
17
|
20
|
16.5
|
=((C59*C59*3.1415926/4-B59*B59*3.1415926/4)*D59)*7.8/1000
|
|
IR/LR17x20x20.5
|
17
|
20
|
20.5
|
=((C60*C60*3.1415926/4-B60*B60*3.1415926/4)*D60)*7.8/1000
|
|
IR/LR17x20x30.5
|
17
|
20
|
30.5
|
=((C61*C61*3.1415926/4-B61*B61*3.1415926/4)*D61)*7.8/1000
|
|
IR20x24x16
|
20
|
24
|
16
|
=((C62*C62*3.1415926/4-B62*B62*3.1415926/4)*D62)*7.8/1000
|
|