High efficiency Hard Part Turning High Chromium Cast iron Mud Pump CBN Inserts
1. Halnn Tools High efficiency Hard Part Turning High Chromium Cast iron Mud Pump CBN Inserts
In order to make sure long working time of the industry pump, the manufacturers usually use high chromium cast iron as the main materials, like the main parts pump casing and impeller. But high chromium cast iron parts belong to castings, it will have and, stomach problems, belong to interrupt turning condition, which will be difficult to machine. And the pumps also have high hardness, the insert need to obey high impact resistance, and will produce high temperature, and make the tools edge wear rapidly. So choosing the right cutting tools will be very important to help the manufacturers improve their efficiency and extend its life.
2.Pictures of Halnn Tools CBN Cutting Tools
3. CBN Cutting Tools Characteristics
| Recommend CBN Grade | Machining Materials | Process | Cutting Parameters |
| Cutting Speed Vc (m/min) | Cutting Depth ap | Feed Rate Fr(mm/r) |
| (mm) |
| BN-K1 | (Hardness:HRC35-68) | Roughing | 35-120 | 1-10 | 0.15-1.0 |
| BN-K10,BN-H10 | High Hardness Cast Iron | Finishing | 60-200 | ≤1 | 0.05-0.35 |
4.Detailed Data of CBN Cutting Tools
 |
| Type | Dimension | Standard Chamfer | Grades | Corresponding tool holder |
| L(mm) | φI.C(mm) | S(mm) | r(mm) | BN-S20 | BNK30 | BN-S300 |
| SNMN120412 | 12.7 | 12.7 | 4.76 | 1.2 | S01020 S01025 S02020 S02030 S05020 S10020 | ● | ● | ● | CSDNN CSSNR/L CSKNR/L CSRNR/L CSXNR/L |
| SNMN120712 | 12.7 | 12.7 | 7.94 | 1.2 | ● | ● | ● |
| SNMN120716 | 12.7 | 12.7 | 7.94 | 1.6 | ● | ● | ● |
5.Application Case of Large working allowance machining CBN Cutting Tools for rough Machining Mud pump CBN Tools
| Machining Part:industry pump impeller |
| Workpiece Hardness:HRC 60 |
| Cutting Type:Interrupt Turning,Dry Cutting |
| Machining Materials:High Cr White Cast iron(Cr26) |
| Inserts Grade:BN-K1 SNMN120712 |
| Cutting Parameters:ap=5mm,f=0.1mm/r,Vc=75m/min |
| Testing Performance |
| Inserts Materials | Linear Speed(m/min) | Lifetime/edge | Failure mode |
| Halnn BN-K1 | 75 | 7 | Normal wear |
| Ceramic Inserts | 35 | 1 | Chipping |
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!
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