Engine Valve Induction Hardening Machine
High quality materials, sturdy and durable, fully upgraded, professional quality, Light weight, high strength, low cost, and good performance
Product Details
1. Processing range (the original state of the workpiece):
|
Workpiece status |
Processing conditions |
Remarks |
|
Valve head diameter |
Within MAX 50㎜ |
|
|
Stem diameter |
φ 5～9㎜ |
|
|
Length |
80～250㎜ |
|
|
Material quality |
21-4N+4Cr10Si2Mo |
Import: SUH: 3, SUH: 35, etc |
|
Hardness |
30—60HRc |
|
|
Stem run-out |
0.01㎜ |
|
|
Valve head surface run-out |
0.1㎜ |
|
2. Processing accuracy and cycle time:
|
Position |
Accuracy |
Test methods and tools |
|
Quenched length |
Continuously process and measure 50 pieces within ± 1.5 mm. |
Special measuring tool |
|
Quenched hardness dispersion |
Continuously process and measure 50 pieces≤6.0HRC. |
Special gauge tool & vernier caliper |
|
Cycle time |
Take machining allowance of stem diameter 6.2 as the standard - 6s/pc. |
|
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