RCMX/RCGX/RNGN Solid CBN Inserts Rough Machining Cast Iron Rolls
1. 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 | | | |
2.Halnn CBN Grade for Machining Cast Iron Rolls
| Insert Grade | Machining Type | Typical Application | Insert Image |
| BN-K1 | Roughing | High Chrome cast iron rolls/Chilled Cast Iron Rolls/High Chrome Alloy Cast Iron Rolls/Alloy Cast Iron Rolls/high hardness cast iron rolls | Solid CBN Insert  
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3. Cutting Paramters for Machining Cast Iron Rolls with Halnn Solid CBN Inserts
Normally Cast Iron rolls includes high chrome cast iron rolls, chilled cast iron rolls, high chrome alloy cast iron rolls, alloy cast iron rolls and other high hardness cast iron rolls.
| No. | Rolls Materials | Hardness | Select Halnn CBN Inserts | Vc(m/min) | Machining Type | ap(m/min) | Fr(mm/r) |
| 1 | Cast Iron Rolls | HSD60~80 | BN-K1 | 35~120 | Roughing | 1~10 | 0.15~0.7 |
| 60~180 | Finishing | ≤1.0 | 0.05~0.35 |
4. Application Case
| Halnn BN-K1 Solid CBN Inserts machining High Nickel Chrome cast iron Rolls |
| Materials | High Chrome Cast Iron, HSD80 |
| Selected Halnn CBN Inserts | BN-K1 |
| Cutting Condition | ap=9mm, Fr=0.5mm/r,Vc=35m/min |
| Comparable Efficiency |
| Halnn BN-K1 | Carbide Inserts |
| Improved 3 times | / |
5.Common Models RCGX/RCMX solid cbn inserts for machining cast 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
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| 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.
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Halnn Cbn Cutting Tools 135 Or 140 Degree Rough Machining Cast Iron Rolls Images
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