Solid CBN Inserts RCMX09/RCGX12/RNGN12 Turning HSS Rolls/Steel Rolls
1.Halnn CBN Grade for Machining Steel Iron Rolls
Insert Grade | Machining Type | Typical Application | Insert Image |
BN-S20 | Roughing | High Speed Steel Rolls, HSS Rolls, Steel Iron Rolls, Semi-Steel Iron Rolls, Forged Steel Rolls | Solid CBN Insert |
2. Different Materials Rolls hardness
No. | Rolls Materials | Hardness | No. | Rolls Materials | Hardness |
1 | High Ni-Cr Cast Iron Rolls | HSD76~82 | 6 | Tungsten Carbide Rings | HRA88 |
2 | High Chrome Cast Iron Rolls | HSD72~82 | 7 | High Speed Steel Rolls (HSS Rolls) | HSD82~90 |
3 | Chilled Cast Iron Rolls(ICDP) | HSD50~70 | 8 | Forged Steel Rolls | HSD92~105 |
4 | High Chrome Cast Steel Rolls | HSD68~75 | 9 | Semi-Steel Rolls | HSD55~65 |
5 | High Carbon Semi-Steel Rolls | HSD65~72 |
3. Cutting Paramters for Machining Steel Iron Rolls with Halnn Solid CBN Inserts
Normally Cast Iron rolls includes High Carbon Semi-Steel Rolls, Semi-Steel Rolls, High Speed Steel Rolls (HSS Rolls), Forged Steel Iron Rolls.
No. | Rolls Materials | Hardness | Select Halnn CBN Inserts | Vc(m/min) | Machining Type | ap(m/min) | Fr(mm/r) |
1 | Steel Iron Rolls | ≥HRC45 | BN-S20 | 50~150 | Roughing | 1~10 | 0.15~0.7 |
60~250 | Finishing | ≤1.0 | 0.05~0.35 |
4. Application Case
BN-S20 Solid CBN Inserts turning high speed steel rolls | |||
Machining materials | High Speed Steel Rolls,HSD90 | ||
Cutting Type | Dry Cutting,Continuous | ||
Halnn CBN Insert Grade | BN-S20 RCMX120700 | ||
Testing Performance | |||
Insert Materials | Machining Time | Life Time/Edge (Grooves) | Efficiency Improved |
Halnn BN-S20 | 12h | 25 | More than 6 times |
Carbide Inserts | 2h | 3 | ...... |
5.Common Models RCGX/RCMX solid cbn inserts for machining Steel iron rolls
RCGX/RCMX-Y Solid CBN Inserts | |||||||
Type | Dimension | Standard Chamfer | Grades |
Corresponding tool holder | |||
L(mm) | φI.C(mm) | S(mm) | r(mm) | BN-K1 | |||
RCMX060400Y | 6 | 6.35 | 4.76 | S01020 S02020 S03020 S05020 S10020 S20020 | ● | CRDCN | |
RCMX060500Y | 6 | 6.35 | 5.56 | ● | |||
RCMX060600Y | 6 | 6.35 | 6.35 | ● | |||
RCMX060700Y | 6 | 6.35 | 7.94 | ● | |||
RCMX090700Y | 9 | 9.525 | 7.94 | ● | |||
RCMX120700Y | 12 | 12.7 | 7.94 | ● | |||
RCMX151000Y | 15 | 15.875 | 10 | ◎ | |||
RCMX191000Y | 19 | 19.05 | 10 | ◎ | |||
RCMX201200Y | 20 | 20 | 12 | ◎ | |||
RCMX251200Y | 25 | 25.4 | 12 | ◎ |
RCGX/RCMX-V Solid CBN Inserts | ||||||||
Type | Dimension | Standard Chamfer | Grades |
Corresponding tool holder | ||||
L(mm) | φI.C(mm) | S(mm) | r(mm) | b(mm) | BN-K1 | |||
RCMX060400V | 6 | 6.35 | 4.76 | 0.8 | S01020 S02020 S03020 S05020 S10020 S20020 | ● | CRDCN | |
RCMX060500V | 6 | 6.35 | 5.56 | 0.8 | ● | |||
RCMX060600V | 6 | 6.35 | 6.35 | 0.8 | ● | |||
RCMX090700V | 9 | 9.525 | 7.94 | 1 | ● | |||
RCMX120700V | 12 | 12.7 | 7.94 | 2 | ● | |||
RCMX151000V | 15 | 15.875 | 10 | 2 | ● | |||
RCMX191000V | 19 | 19.05 | 10 | 2 | ● | |||
RCMX201200V | 20 | 20 | 12 | 2 | ● | |||
RCMX251200V | 25 | 25.4 | 12 | 2 | ● |
6. Typical Application
We can offer you all products on different machining condition: such as Rough machining Cylindrical,hole turning, milling,heavy turning, turning groove, and roll repairing.