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Help CenterSolid PCBN Turning Tool Hard Part Turning 42CrMo4 Bearing Steel Wind Turbine Bearing
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Solid PCBN Turning Tool Hard Part Turning 42CrMo4 Bearing steel Wind turbine bearing
1. Halnn Tools Solid PCBN Turning Tool Hard Part Turning 42CrMo4 Bearing steel Wind turbine bearing
Bearing as one of the important parts of mechanical equipment, with its performance requirements more and more high. Bearing hardness after heat treatment is high and difficult to process, and the following problems often occur in traditional tool processing:
(1) When the traditional tool goes up, it will wear quickly and affect the production efficiency;
(2) Some parts of the bearing have intermittent cutting conditions, and the tool encounters intermittent parts and is easy to collapse, and the cost of the tool remains high;
(3) The slewing bearing in the wind industry has higher requirements on the wear resistance and impact toughness of the tool after heat treatment.
In the early days of machining with bearings using the turning and grinding process, the choice of conventional carbide inserts often caused rapid wear in the process. Frequent tool changes affected the production efficiency. Later, with the advent of ceramic inserts and PCBN inserts, it was replaced by hard alloys. The insert is used in the turning process of the bearing.
2. Characteristics of Solid PCBN Cutting Tool
CBN Grade |
Binder |
CBN Content（%） |
Granularity（μm） |
Hardness（HV） |
BN-S20 |
TIN |
76 |
4 - 6 |
2900-3100 |
BN-S200 |
TIN |
60 |
2 - 4 |
2800-3000 |
BN-H11 |
TIN |
70 |
2 - 4 |
2800-3000 |
BN-H20 |
TIC |
80 |
2 - 4 |
3100-3300 |
BN-H05 |
TIN |
45 |
≤1 |
2700-2800 |
BN-H10 |
TIN |
50 |
≤1 |
2700-2800 |
BN-H21 |
AL，TINC |
60 |
1 - 2 |
2600-2800 |
3.Pictures of Halnn Inserts
4.Detailed date of PCBN Cutting Tool
Type |
Dimension |
Grades |
|||||
L(mm) |
φI.C(mm) |
S(mm) |
r(mm) |
BN-S20 |
BN-S200 |
BN-S300 |
|
RNGN090700 |
9.525 |
7.94 |
● |
● |
● |
||
RNGN120400 |
12.7 |
4.76 |
● |
● |
● |
||
RNGN120600 |
12.7 |
6.35 |
● |
● |
● |
||
RNGN120700 |
12.7 |
7.94 |
● |
● |
● |
||
RNGN150700 |
15.875 |
7.94 |
● |
||||
RNGN200800 |
20 |
8 |
● |
||||
RNGN201000 |
20 |
10 |
● |
||||
RNGN251000 |
25.4 |
10 |
● |
||||
RNGN251200 |
25.4 |
12 |
● |
||||
5.Application Case
BN-S200 Solid CBN Insert processing bearings | |||
Machining Part: Raceway and End Surface |
|
||
Workpiece Hardness:HRC55-62 | |||
Cutting Type:Dry Cutting | |||
Machining Materials:42CrMoa4 | |||
Inserts Grade:BN-S200 | |||
Cutting Parameters | |||
Inserts Materials |
Vc (m/min) |
Ap（mm） |
Processing effect |
Halnn BN-S20 |
140-180 |
1mm |
Surface roughness reaches Ra0.4 |
6. FAQ
1. Are you a trading company or manufacturer ?
A: We are a manufacturer and wholesaler for diamond & CBN (cubic boron nitride) abrasives and tools.
2. How long is your delivery time?
A: Generally it is 3 -7 days.
2. Do you provide samples ? Is it free or extra ?
A: Normally we do not offer free samples, we could offer the sample for testing, but shipping fee is to be paid by customer as a company policy!
If you have another question, pls feel free to contact us as below:
Contact us | |
Joanan@halnntools.com |
|
+86 17537165259 |
|
Skype |
Joanna Guo |
+86 17537165259 |
|
Send Inquiry to This Supplier
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