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Valve Seat Six-Station Induction Hardening Machine
(HFQ-02)
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 ≤6.0 HRC. | Special gauge tool&vernier caliper |
Cycle time | Take machining allowance of stem diameter 8 as the standard - 10s/pc. |
CNC Lathe for Engine Valve Head & Face (with servo turret)
Engine Valve Copying Lathe (with servo turret)
Engine Valve Groove Grinding Machine (diameter 600 ordinary grinding wheel molding dressing, centerless grinder structure)
Engine Valve Bar Material Shearing Machine
Engine Valve Tip Induction Hardening Machine
