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CoroBore® BC

Tailor Made combination boring

High-precision coolant

The CoroBore® cartridges are equipped with high-precision nozzles. If the nozzles are not needed:

  • Remove the nozzles and replace with a screw
  • Cartridge 06/08: 5691 026-23 (screw) with 3214 010-152 (nozzle)
  • Cartridge 10/12: 5691 026-13 (screw) with 3214 010-202 (nozzle)
  • Screw sizes are M2.5 or M3, depending on cartridge size

CoroBore® cartridges

  • Three types of cartridges are available with different degrees of adjustability without changing kappa
     CB – radial and axial adjustment
     CC – only axial adjustment
     CD – non-adjustable
  • All cartridges can handle high-precision coolant up to 80 bar (1160 PSI)
  • Resolution adjustment accuracy
    • Radially: 0.2 mm/rev (0.008 in/rev)
    • Axially: 
      0.3 mm/rev (0.011 in/rev) for cartridge size 06 and size 08 
      0.4 mm/rev (0.016 in/rev) for cartridge size 10 and size 12
  • Axial adjustable range, all CC and CB: +/- 0.5 mm (0.002 inch)
  • Radial adjustable range, CB: +/- 0.2 mm (0.008 inch)
  • Total radial stroke: ±0.4 mm (0.016 inch) in diameter, including radius compensation
  • Radius compensation: 0.2–0.8 mm (0.008–0.031 inch) for ISO inserts and all radii for non-ISO inserts 

 

Cartridge type CB – Axial and radial adjustment CC – Axial adjustment, chamfer CD – No adjustment, fixed
KAPR 90° 90° 84° 45° 30° 90° 90° 84°
Insert type SCFCR STFCR SSYPR SSSPR SSTPR SCFCR STFCR SSYPR
Insert sizes 06, 09, 12 09, 11, 16 06, 08, 12 06, 08, 12 06, 08, 12 06, 09, 12 06, 09, 11, 16 06, 08, 12
Cartridge sizes 08CB, 10CB, 12CB 06CC, 08CC, 10CC 06CD, 08CD, 10CD, 12CD
Cartridge tolerance N/A Functional width (WF) over master insert: +/- 0.05 mm (0.002 inch) Functional width (WF) over master insert: +/- 0.05 mm (0.002 inch)
Functional length (LF) over master insert: +/- 0.05 mm (0.002 inch)

Available CoroBore® cartridges


CB – Axial and radial adjustment CC – Chamfer axial adjustment CD – No adjustment
Cartridge size Order code Insert Entering angle (Kr) Order code Insert Entering angle (Kr) Order code Insert Entering angle (Kr)
06 SSTPR06CCX06 SP06 30 SCFCR06CDX06 CC06 90
SSSPR06CCX06 SP06 45 STFCR06CDX06 TC06 90
SSYPR06CDX06 SP06 84
08 SCFCR08CBX06 CC06 90 SSTPR08CCX08 SP08 30 SCFCR08CDX06 CC06 90
STFCR08CBX09 TC09 90 SSSPR08CCX08 SP08 45 STFCR08CDX09 TC09 90
SSYPR08CBX06 SP06 84 SSYPR08CDX08 SP08 84
10 SCFCR10CBX09 CC09 90 SSTPR10CCX12 SP12 30 SCFCR10CDX09 CC09 90
STFCR10CBX11 TC11 90 SSSPR10CCX12 SP12 45 STFCR10CDX11 TC11 90
SSYPR10CBX08 SP08 84 SSYPR10CDX08 SP08 84
12 SCFCR12CBX12 CC12 90 SCFCR12CDX12 CC12 90
STFCR12CBX16 TC16 90 STFCR12CDX16 TC16 90
SSYPR12CBX12 SP12 84 SSYPR12CDX12 SP12 84

Choice of insert

Insert/Material P M K N S H
CoroTurn® 107 TC…09, 11, 16
CC…06, 09, 12
All available geometries and grades
CoroBore® 111 SP…06, 09, 12, 18 -BR 4325 SP…06, 09, 12, 18 -BM 2025 SP…06, 09, 12, 18 -BR 3210 N/A SP…06, 09, 12, 18 -S 1145 N/A

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