Cylinder head processing tool production line has mainly combined tools. There are multiple combinations according to different processing items. The surface processing is the same as the cylinder milling cutter. The tools for several key processing items are as follows.
(1) Machining tool for seat ring hole
Processing tasks 1 | |
Parts | cylinder head 4 covers |
Processing material | AlSi8 |
Processing procedure | rough machining of guide pipe hole and seat ring hole and orifice chamfering; |
Cooling | internal cooling |
Machine tool | machining center |
Cutting parameters |
vc=445m/min |
D=28, 5/32, 4mm |
Z=1+2+2 |
fz=0.075mm/insert |
vf=750mm/min |
Solution: boring tool + formed carbide blade |
Conclusion: 18 000 workpieces×4×2valves=144 000 machining holes |
Processing tasks 2 | |
Parts | cylinder head 4 covers |
Processing material | AlSi8 |
Processing procedure | finishing pipe hole guide and seat ring hole |
Cooling | internal cooling |
Machine tool | machining center |
Cutting parameters |
v c=445/900m/min; |
D=11/27mm; |
Z=3/4; |
f=0.3mm/rev; |
vf=3000mm/min. |
Solution: PCD welding reamer. |
Conclusion: 57 000 workpieces×4×2valves=456 000 machining holes. |
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PCD & PCBN Tools Grinding Industry
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