Service Hotline:
13531819128
0760-22824807
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1. Processing range (the original state of the workpiece):
Workpiece status | Processing conditions | Remarks |
Valve head diameter | 70-----550 | |
Stem diameter | φ 5～14㎜ | |
Length | 70～550㎜ | |
Material quality | 21-4N+4Cr10Si2Mo | |
Hardness | 30—60HRc | |
Stem run-out | ||
Valve head surface run-out |
2. Processing accuracy and cycle time:
Position | Accuracy | Test methods and tools |
Run-out accuracy | Continuously process and measure 50 pieces within 0.10 mm. | Special measuring tool |
Dimensional accuracy | Continuously process and measure 50 pieces within ± 0.05 mm. | Vernier calipers |
Surface roughness | Continuously process and measure 50 pieces within Ra 1.6 μ m. | Roughness gauge |
Cycle time | Take the processing stem diameter 6.2 as the standard - 7s/pc. |
Engine Valve Tip Induction Hardening Machine
Engine Valve Groove Grinding Machine (diameter 600 ordinary grinding wheel molding dressing, centerless grinder structure)
Engine Valve Copying Lathe (with servo turret)
Engine Valve Straightening Machine
CNC Combined Lathe for Valve Head (with servo turret) (VHL-02)
