Case I
Processing of cylinder head valve seat
|
Guide Reamer |
φ4.97 / φ29.4 |
|
Inserts |
Nonstandard PCD reamer and CBN inserts |
|
Vc
(guide valve) |
105m/min |
|
Vc
(valve seat) |
124m/min |
|
ap |
0.10 - 0.15mm |
|
N |
5570 / 1360rpm |
|
Fr
(guide valve) |
0.12mm/r |
|
Fr
(valve seat) |
0.07mm/r |
|
Fr
(valve seat finishing) |
0.05mm/r |
|
F
(guide valve) |
668mm/min |
|
F
(valve seat) |
95mm/min |
|
F
(valve seat finishing) |
68mm/min |
|
Tool life
(CBN inserts for valve seat) |
800 – 1000pcs |
|
Tool life
(PCD reamer for guide valve) |
800 – 1000pcs |
|
Finishing Reamer |
φ5 / φ29.5 |
|
Inserts |
Nonstandard PCD reamer and CBN inserts |
|
Vc
(guide valve) |
95m/min |
|
Vc
(valve seat) |
120m/min |
|
Fr
(guide valve) |
0.12mm/r |
|
Fr
(valve seat) |
0.11mm/r |
|
Tool life
(CBN inserts for valve seat) |
800 – 1000pcs |
|
Tool life
(PCD reamer for guide valve) |
600 – 1000pcs |
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Moresuperhard ceramic bond diamond grinding disc has superior performance in high alumina ceramic grinding. In the future, we will continue to be committed to providing customers with high-quality abrasive solutions to help them maintain their competitive advantage in the ever-changing market demands.
In order to maintain the good performance of cast iron grinding discs, they usually need to be maintained and trimmed regularly. Common maintenance measures include regularly cleaning surface dirt and residues, repairing wear or deformation caused by use, and ensuring that the disc surface always remains flat.
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