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Valve Bar Material Cutting Machine(BCM-01)
1. Processing range (the original state of the workpiece):
Workpiece status | Processing conditions | Remarks |
Material length | 6 m | |
Stem diameter | φ 5～14㎜ | |
Length | 70～550㎜ | |
Material quality | 21-4N+4Cr10Si2Mo | Martensite and Austenite are available. |
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 ± 0.20 mm. | Vernier caliper |
Section | Flat section without deformation. | Visual inspection |
Surface roughness | Continuously process and measure 50 pieces within Ra 2.0 μ m. | Roughness tester |
Cycle time | Take the processing stem diameter 8 as the standard, 550㎜; 6s/pc. |
Engine Valve Straightening Machine
CNC Lathe for Engine Valve Head & Face (with servo turret)
Engine Valve Groove Grinding Machine (diameter 600 ordinary grinding wheel molding dressing, centerless grinder structure)
Engine Valve Friction Welding Machine
Engine Valve Tip Grinding Machine (300 diameter resin CBN grinding wheel) (VEG-300)
