|
Technical parameter of 35CrMo、40Cr、42CrMo piston
rod |
| |
| |
| （Diameter) |
| D10~D120 |
| （Diameter tolerance) |
| f7、f8 |
| （Thickness of chrome plating) |
| 0.02mm~0.06mm |
| （Thickness of chrome plating
tolerance) |
| ±0.005mm。 |
| （Hardness of chrome plating) |
| HV850~HV1050 |
| （Straightness tolerance) |
| ≤0.1mm/1000mm |
| （surface roughness) |
| Ra 0.1~0.25。 |
| Condition of delivery:
unchromed,chromed,high-frequency quenched |
| mid-frequency quenched,tempered,untempered
or nitriding. |
TOLERANCE OF 35CrMo、40Cr、42CrMo PISTON ROD
|
Dia
|
Tolerance
|
|
mm
|
f7（mm）
|
f8（mm）
|
|
10
|
-0.016
|
-0.034
|
-0.016
|
-0.043
|
|
12
|
-0.016
|
-0.034
|
-0.016
|
-0.043
|
|
16
|
-0.016
|
-0.034
|
-0.016
|
-0.043
|
|
20
|
-0.020
|
-0.041
|
-0.020
|
-0.053
|
|
25
|
-0.020
|
-0.041
|
-0.020
|
-0.053
|
|
30
|
-0.025
|
-0.050
|
-0.025
|
-0.064
|
|
32
|
-0.025
|
-0.050
|
-0.025
|
-0.064
|
|
40
|
-0.025
|
-0.050
|
-0.025
|
-0.064
|
|
45
|
-0.025
|
-0.050
|
-0.025
|
-0.064
|
|
50
|
-0.030
|
-0.060
|
-0.030
|
-0.076
|
|
55
|
-0.030
|
-0.060
|
-0.030
|
-0.076
|
|
60
|
-0.030
|
-0.060
|
-0.030
|
-0.076
|
|
65
|
-0.030
|
-0.060
|
-0.030
|
-0.076
|
|
70
|
-0.030
|
-0.060
|
-0.030
|
-0.076
|
|
75
|
-0.030
|
-0.060
|
-0.030
|
-0.076
|
|
80
|
-0.036
|
-0.071
|
-0.036
|
-0.090
|
|
85
|
-0.036
|
-0.071
|
-0.036
|
-0.090
|
|
90
|
-0.036
|
-0.071
|
-0.036
|
-0.090
|
|
95
|
-0.036
|
-0.071
|
-0.036
|
-0.090
|
|
100
|
-0.036
|
-0.071
|
-0.036
|
-0.090
|
|
105
|
-0.036
|
-0.071
|
-0.036
|
-0.090
|
|
110
|
-0.036
|
-0.071
|
-0.036
|
-0.090
|
|
115
|
-0.036
|
-0.071
|
-0.036
|
-0.090
|
|
120
|
-0.036
|
-0.071
|
-0.036
|
-0.090
|
ATTN: If there
are special specifications,we can make according to
provided drawings. |
