These details provide information about the dimensional accuracy, surface characteristics, hardness, straightness, length, size, and material composition of the induction hardened rods.
Induction Hardened Rod
Product Detail of Induction Hardened Rod:
External Diameter Accuracy: The accuracy of the external diameter is specified as f7, f8, or f9. This indicates the allowable dimensional variation for the external diameter of the rod.
Surface Roughness: The surface roughness of the rod is specified as Ra 0.2μm to Ra 0.4μm. This indicates the smoothness of the rod's surface, which affects its friction and wear characteristics.
Hard Chrome Thickness: The hard chrome layer on the rod's surface has a thickness of 20 microns ±10%. The chrome layer provides enhanced hardness and wear resistance.
Surface Hardness: The surface hardness of the rod is specified as HRC 55° ± 2°. This indicates the hardness level of the rod's surface, which affects its resistance to wear and deformation.
Straightness: The straightness of the rod is specified as 0.15-0.25mm per 1000mm. This indicates the allowable deviation from a straight line for the rod.
Standard Length: The standard length of the rod is a maximum of 13 meters.
Standard Size: The standard size of the rod ranges from 10Φ to 200Φ, indicating the diameter of the rod.
Material: The rod can be made from various materials such as CK45, 1045, 4140, 4340, JIS 45C, 40Cr, 42CrMo, and 20MnV6. These materials offer different properties and are chosen based on the specific requirements of the application.
The rods undergo a heat treatment process to achieve a surface hardness of HRC 55° ± 2°. The hardened depth of the rods ranges from 0.5mm to 0.25mm. After heat treatment, the rods undergo precision milling and hard chromium treatment to create a chrome layer with a thickness of 20 microns ± 10%. This significantly improves the rods' wear resistance and extends their lifespan.
Tolerance Of Piston Rod
Grade of tolerance |
f |
g |
h |
|||
f7 |
f8 |
g6 |
h7 |
h8 |
h9 |
|
3mm |
-0.006 |
-0.006 |
-0.002 |
0 |
0 |
0 |
3mm-6mm |
-0.010 |
-0.010 |
-0.004 |
0 |
0 |
0 |
6mm-10mm |
-0.013 |
-0.013 |
-0.005 |
0 |
0 |
0 |
10mm-18mm |
-0.016 |
-0.016 |
-0.006 |
0 |
0 |
0 |
18mm-30mm |
-0.020 |
-0.020 |
-0.007 |
0 |
0 |
0 |
30mm-50mm |
-0.025 |
-0.025 |
-0.009 |
0 |
0 |
0 |
50mm-80mm |
-0.030 |
-0.030 |
-0.010 |
0 |
0 |
0 |
80mm-120mm |
-0.036 |
-0.036 |
-0.012 |
0 |
0 |
0 |
120mm-180mm |
-0.043 |
-0.043 |
-0.014 |
0 |
0 |
0 |
180mm-250mm |
-0.050 |
-0.050 |
-0.015 |
0 |
0 |
0 |
250mm-315mm |
-0.056 |
-0.056 |
-0.017 |
0 |
0 |
0 |
315mm-400mm |
-0.062 |
-0.062 |
-0.018 |
0 |
0 |
0 |
400mm-500mm |
-0.068 |
-0.068 |
-0.020 |
0 |
0 |
0 |
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