Halnn CNGN Cbn Cutter Inserts For Hard Turning 40CrMo Hardened Steel Ball Screw
1. Halnn Tools CNGN CBN Cutting Inserts for Hard Turning 40CrMo Hardened Steel Ball Screw
With the development of the cutting technology, the cutting tools manufacturers researched new tool materials “cubic boron nitride” which can be use for turning instead of grinding, it will have Compressive stress when with traditional cbn inserts roughing the ball screw raceway, it will be easily make the insert chipping. Finally Halnn research non-metal adhesive solid cbn inserts BN-S20, solving the problems of chipping.
Advantages of Halnn solid cbn inserts BN-S20 hard turning ball screws;
(1) High hardness, abrasive resistance and heat resistance
(2) Strong impact resistance, avoid the insert chipping, damage problem
(3) High speed cutting, improve the efficiency
(4) Dry cutting method reduce the pollution
(5) Long tool life, will be 1.5~2 times of traditional cbn inserts.
2. BN-S30 CBN Cutting Inserts Characteristics
| CBN Grade | Blinder | CBN Content | Granularity(μm) | Hardness |
| BN-S20 | TIN | 76 | 4~6 | 2900-3100 |
| BN-H10 | TIN | 50 | ≤1 | 2700-2800 |
| BN-H21 | AL,TINC | 60 | 1~2 | 2600-2800 |
| BN-H05 C25 | TIN | 45 | ≤1 | 2700-2800 |
| BN-H10 C25 | TIN | 50 | ≤1 | 2700-2800 |
| BN-H21 C25 | AL,TINC | 60 | 1~2 | 2600-2800 |
3.Detailed Data of CNGN CBN Cutting Inserts
 |
| Type | Dimension | Standard Chamfer | Grades | Corresponding tool holder |
| L(mm) | φI.C(mm) | S(mm) | r(mm) | BN-K1 | BN-S20 | BN-S200 | BN-S300 | BNK30 |
| CNGN090404 | 9.7 | 9.525 | 4.76 | 0.4 | S01020 S01025 S02020 S02030 S02530 S03020 | | ◎ | ◎ | ◎ | ◎ | CCLNR/L |
| CNGN090408 | 9.7 | 9.525 | 4.76 | 0.8 | | ◎ | ◎ | ◎ | ◎ |
| CNGN090412 | 9.7 | 9.525 | 4.76 | 1.2 | | ◎ | ◎ | ◎ | ◎ |
| CNGN120404 | 12.9 | 12.7 | 4.76 | 0.4 | ● | ● | ● | ● | ● |
| CNGN120408 | 12.9 | 12.7 | 4.76 | 0.8 | ● | ● | ● | ● | ● |
| CNGN120412 | 12.9 | 12.7 | 4.76 | 1.2 | ● | ● | ● | ● | ● |
| CNGN120416 | 12.9 | 12.7 | 4.76 | 1.6 | ● | ● | ● | ● | ● |
| CNGN120704 | 12.9 | 12.7 | 7.94 | 0.4 | ● | ● | ● | ● | ● |
| CNGN120708 | 12.9 | 12.7 | 7.94 | 0.8 | ● | ● | ● | ● | ● |
| CNGN120712 | 12.9 | 12.7 | 7.94 | 1.2 | ● | ● | ● | ● | ● |
| CNGN120716 | 12.9 | 12.7 | 7.94 | 1.6 | ● | ● | ● | ● | ● |
4.Pictures of Halnn Tools PCBN Cutting Tool
5.Application Case
| Materials:Rolling Screw Gcr15 |  |
| Hardness:HRC60-62 |
| Selected Insert:BN-S20 CNGN120708 |
| Cutting Parameters | Fr=0.10mm/r |
| Vc=95m/min |
| ap=4.5mm |
| Dry Cutting |
| Insert Materials | Cutting Speed | Cutting Depth | Failure Mode |
| Halnn | 95m/min | 4.5mm | Normal Wear |
| BN-S20 |
| Ceramic Insert | 65m/min | 0.5mm | Broken Damage |
6.FAQ
Q1. How is your quality?
A1. We have a very seriously control system. We guarantee the high performance of our products.
Q2.What is the Warranty for your products?
A2. For one year from the date of purchase, If any problem on our side, we will make prompt response, and take the shipping cost and send replacement.
If you have another question, pls feel free to contact us
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Halnn CNGN Cbn Cutter Inserts For Hard Turning 40CrMo Hardened Steel Ball Screw Images
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