Engine Valve Straightening 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 |
MAX 50㎜-80mm |
|
|
Stem diameter |
φ7～14㎜ |
|
|
Length |
100～250㎜ |
|
|
Material quality |
21-4N+4Cr10Si2Mo |
|
|
Hardness |
30—60HRc |
|
|
Stem run-out |
1.0㎜ |
|
|
Valve head surface run-out |
0.8㎜ |
|
2. Processing accuracy and cycle time:
|
Position |
Accuracy |
Test methods and tools |
|
Stem run-out |
Continuously process and measure 50 pieces within 0.15 mm. |
Special measuring tool |
|
Valve head surface run-out |
Continuously process and measure 50 pieces within 0.15 mm. |
Vernier caliper |
|
Cycle time |
Take machining allowance of stem diameter 9 as the standard - 9s/pc. |
|
Previous: Engine Valve Induction Hardening Machine
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