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 |
<< :Mono crystal Diamond cutting tool
<< :Is the gearbox not smooth when shifting? Maybe the problem is here
CMP (Chemical Mechanical Polishing) technology for CVD diamond enables ultra-smooth surfaces with nanometer-level roughness. By combining mechanical abrasion with chemical reactions, CMP delivers superior flatness, high precision, and damage-free polishing.
Learn how a customer optimized the grinding process for PCD scissors using vitrified and resin bond grinding wheels. This case highlights efficiency improvements and multi-material grinding solutions for textile machinery parts. Discover practical solutions to enhance grinding speeds and results with advanced wheel choices.
Add: Zhongyuan Rd, Zhongyuan District, Zhengzhou, 450001, Henan, China
Tel: +86 17700605088