CoroBore® BR20
Outils d'alésage ébauche flexibles à deux arêtes
Differential pitch
The differential pitch reduces vibration tendencies so that the tools can be used at longer overhangs and larger depth of cuts.
Back boring capability
Possibility to easily be assembled as a back boring tool, using a unique slide and cover.
Step boring functionality
Built-in step boring functionality without any additional need of an extra shim.
Application area
- Rough boring
- Twin-edge boring, step boring and back boring
- Damped Silent Tools™ solution for vibration-sensitive applications
- Standard inserts with optimized grades and geometries for all materials CoroBore® 111: Optimized for rough boring applicationsCoroTurn® 107: Wide selection of grades and geometries
Product range
CoroBore® BR20 twin-edge boring
Twin-edge multi-purpose rough boring. The system consists of adaptors with matching slides, shims and covers, making it possible to adapt the tool to various materials and conditions.
CoroBore® BR20 with Silent Tools™ technology
Perfect problem-solver when working with long overhangs. When using Silent Tools™, you have the opportunity to double the depth of cut, while maintaining productive boring.
CoroBore® 111 inserts
Four-edged standard inserts with optimized grade selection, designed for rough boring. The unique solution offers excellent chip breaking and increased lifetime in ISO P, M, K and S materials.
CoroBore® BR20: Twin-edge boring
| Size | DCN | DCX | Insert 90° | Insert 84° | Machine coupling |
| A | 23 | 29 | CC06 | SP06 | EH20, C3 |
| B | 28 | 36 | CC06 | SP06 | EH25, C3 |
| C | 35 | 45 | CC09 | SP08 | C3, C4 |
| D | 44 | 56 | CC09 | SP08 | C4, C5 |
| E | 55 | 71 | CC12 | SP12 | C5, C6 |
| F | 70 | 90 | CC12 | SP12 | C5, C6 |
| G | 89 | 116 | CC12 | SP12 | C6, C8 |
| H | 115 | 150 | CC12 | SP12 | C6, C8 |
CoroBore® BR20 with Silent Tools™ technology
| Size | DCN | DCX | Insert 90° | Machine coupling |
| A | 23 | 29 | CC06 | C4 |
| B | 28 | 36 | CC06 | C3 |
| C | 35 | 45 | CC09 | C3,C4,C6 |
| D | 44 | 56 | CC09 | C4,C5,C6 |
| E | 55 | 71 | CC12 | C5,C6 |
| F | 70 | 90 | CC12 | C6,C8 |
| G | 89 | 116 | CC12 | C8 |
| H | 115 | 150 | CC12 | C8 |
Assortment is available as complete assembly kits and as separate items
CoroBore® 111 rough boring inserts for CoroBore® BR20
| Insert type/size | Entering angle | IC | Geometry | Grade |
SPMT 06 06 - Bx SPMT 09 08 - Bx SPMT 12 12 - Bx | 84° | 6, 8, 12 | BR,BM | P 4325 M 2025 K 3210 S 1145 |
Click here to go to CoroBore® 111 insert assortment
Positioning of rough boring tools
| Tool | Solution | Technical features | Technical features | Technical features | Technical features | Technical features | Technical features | Technical features | Technical features | Technical features | Technical features |
| Differential pitch | CoroBore® 111 inserts | High Precision Coolant | Flexible diameter range | Back boring | Laser-marked scale on adaptor | Long overhang | Stepboring | Modular Coromant Capto® | Coromant EH | ||
| CoroBore® BR10 | Back boring | ✔ | ✔ | ✔ | ✔ | ||||||
| CoroBore® BR20 | Flexible boring tools | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | |
| CoroBore® BR20 Silent Tools™ | Boring with long overhang | ✔ | ✔ | ✔ | ✔ | ✔ | ✔* | ✔ | ✔ | ||
| CoroBore® BR30 | High metal removal rate (3 cutting edges) | ✔ | ✔ | ✔ | ✔ | ✔ |
*Step boring possible with kappa 90°
Highlights
Alésage en tirant avec CoroBore® BR10
L'outil d'alésage en tirant CoroBore® BR10 est basé sur l'adaptateur CoroBore® BR20 et sur un coulisseau d'alésage en tirant et un faux-coulisseau exclusifs.
CoroBore® BR30 multi-edge boring tool
When maximum productivity is in focus, choose the highly productive stable multi-edge (3 to 8 cutting edges) CoroBore® BR30. Optimized solutions for cavity boring in Inconel available.
Outils d'alésage ébauche de nouvelle génération
La nouvelle génération de concepts CoroBore® pour l'alésage ébauche apporte une productivité élevée dans toutes les opérations d'alésage ébauche.
Abonnez-vous pour rester informé(e).
Abonnez-vous dès aujourd'hui à notre e-newsletter
