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
PDC cutters are widely used for gas,oli drilling,coal minning etc.Grinding procession will directly influence the quality od PCD cutter.Moresuperhard provide diamond grinding wheel for grinding different parts of pdc cutter like surface grinding,external grinding wheel ,double-sided grinding disc and centerless grinding wheel.
In the grinding industry, ceramic diamond double-end grinding discs have attracted much attention for their high efficiency and high precision. In order to help newcomers quickly master the core knowledge in this field, Moresuperhard specially invited Jim, a sales expert in double-end grinding discs, to conduct a systematic training. From basic concepts to practical applications, this training content is full of practical content. Of course, in order to test the learning results, Jim assigned homework to everyone. The students' answers are all very good, which are summarized as follows for everyone to learn and refer to.
Add: Zhongyuan Rd, Zhongyuan District, Zhengzhou, 450001, Henan, China
Tel: +86 17700605088
