A E

Finishing

BORING

General turning

Coromant Capto ® HSK A/CC8-391.06392.41006

B

Boring range:99.5 âˆ’ 269.5 mmBoring depth: 600 âˆ’ 700 mmHole tolerance:IT7Cutting fluid:Internal Application area:Fine boringIncr. of diam. adjust.:0.01 mmAlways adjust from centre towards periphery*Thread for counterweight

Parting and grooving

C

Threading l
1 = programming length Damped milling adaptor Dimensions, mmBoring range

D

Ordering code C8-391.06-27 320 12.4

U

InternalExternal l
1 l
3 l
21 l
22 D
th l×bD
ci min–max D
co min–max 423 – 320 353 M8 10 99.5–164.4 – 391.41006-63 27 260A 7.1363–260293M810
MillingDrilling C8-391.06-32 320 15.3426–320356M810 C8-391.06-27 320 12.4 423 – 320 353 M8 10 102.5–167.5 – 391.41006-63 27 260A 7.1363–260293M810 C8-391.06-32 320 15.3 426 – 320 356 M8 10 C8-391.06-27 320 12.4423–320353M810163.5–266.545.0–145.0 391.41006-63 27 260A 7.1 363 48 260 293 M8 10 C8-391.06-32 320 15.342648320356M810

F F

1. Cartridge 75 ° = 391.38B C8-391.06-27 320 12.442348320353M810166.5–269.548,0–148.0 391.38K 391.41006-63 27 260A 7.1 363 48 260 293 M8 10 92 ° = 391.38A C8-391.06-27 32 12.5423–320353M810 391.38U 95 ° = 391.38L 2. Fine boring head 3. Extension slide
Boring Boring 4. Arbor adaptor 5. Damped milling adaptor

G

Ordering example for a complete tool, including cartridge, fine boring head, extension slide and adaptors:1 piece 391.38A-2-T11A (Cartridge)1 piece 391.38A-2-046 28 043A (Fine boring head)1 piece 391.38A-0-096 022A (Extension slide)1 piece 393.39A-0-27 033A (Arbor adaptor)1 piece C8-391.06-27 320 (Milling adaptor)

Tool holding systems

Tightening torques Coromant Capto ®

Coromant Capto ® C8: 160-180 Nm.Arbor adaptor= 38 NmExtension slide= 38 NmFine boring head= 38 NmLocking screw= 6 NmScrew for cartridge=6 Nm For insert screws size:09= 0,8 Nm11= 0,9 Nm

H

Assembly

Note! When assembling, make sure that the marks are in line.

Multi-task machining

I

BORING Finishing

F 39

General information