BN-S20 Solid CBN Insert for HSS Rolls
Basic Information of High Speed Steel Rolls:
Based on good stable performance, high speed steel are widely used for rolls. HSS Roll is one type hot roll materials, the rolls with this materials have high hardness and excellent abrasive resistance. Because of the advantages of the rolls, it will require high on the cutting tools. The tools for machining rolls need have high hardness, abrasive resistance, heat resistance and impact resistance.
The advantages of BN-S20 machining HSS Rolls
(1) The hardness of BN-S20 is between 95~100, it has good abrasive resistance, it can be used for machining HSS Rolls for a long time, which can make sure the rolls surface quality.
(2) BN-S20 belong to solid cbn insert, it can be used for large allowance and heavy turning HSS Rolls, which can help improve the efficiency.
(3) When BN-S20 machining HSS Rolls, we need to use dry cutting process, not only can reduce the production costs, and avoid the pollutions.
The cutting parameters of BN-S20 solid cbn inserts machining HSS Rolls:
|
Machining Materials |
Cutting Speed Vc(m/min) |
Cutting Depth ap(mm) |
Feed Rate Fr(mm/r) |
CBN Grade |
|
HSS Rolls |
50~150(Roughing) |
1~10 |
0.15~0.7 |
BN-S20 |
|
60~250(Finishing) |
≤1 |
0.05~0.35 |
The common cbn insert models as follows: SNMN120712，SNMN120412，SNMN120408，RNMN120400,ect.
The tool holder can be 75°CSRNR，45°CRDNN，ect .we need to choose the tool holder depending on the “Length-Diameter Ratio”
The corressponding tool holder image as follows: