Original
By certification 
High Precision Heat Treatment SUS420J2 6X112.5 Edging Screw Thread Motor Rotor Steel Shaft
This is a shaft used in Automobile shaft, which requires a relatively high speed, so the corresponding hardness is relatively high. The roundness and roughness requirements of the product are also relatively high. The roughness requirement reaches Ra0.2.
Product Description | |||||||
Reminder: All products are customized products for customers, if you have customized requirements, please contact customer service | |||||||
Product Name |
shaft |
Specifications |
6*112.5 |
Material |
SUS420 J2 |
Hardness |
43-46 |
Number |
Process |
Control Item |
Control Standard | ||||
10 |
Cutting |
length |
112.5 +0.7/+0.6 |
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Straightness |
↗0.05 |
||||||
20 |
Surface grinding |
length |
112.5 ±0.05 |
||||
30 |
Rough grinding 1 |
Outer diameter |
Ф6 +0.12/+0.11 ↗0.02 |
||||
40 |
CNC turning |
||||||
50 |
Rolling |
thread |
M6 left |
||||
60 |
Heat treatment |
Hardness |
43-46 |
||||
70 |
Rough grinding 2 |
Outer diameter |
Ф6 +0.06/+0.05 ↗0.01 |
||||
70 |
high-frequency quenching |
HRC |
47-52 |
||||
80 |
Fine grinding |
outer diameter |
Ф6 -0.007/-0.010 |
||||
Roundness |
0.002 |
||||||
Roughness |
Ra0.2 |
||||||
Run-out |
↗0.005 |
||||||
90 |
Milling Edge |
Thickness |
5.2 +0.03/-0.02 |
||||
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