Page 748 - ISCAR(TURNING-CATALOG-42-2022)

NON-ROTATING TOOL HOLDERS
LS LPR LB CSI 58-60 HRc
GFI ST-ER DCONNWS 50
DCONXWS
Floating Reamer DIN 6499 Bar Max
Collet Chucks with Cylindrical DCONMS BD DF
Shanks with a Clamping Flat
DRVS

Designation DCONMS CSI DCONNWS (3) DCONXWS (4) LS LPR LB BD DF RFl DRVS (5) kg
GFI ST20 ER20 (1) 20.00 ER20 1.0 13.0 65.00 55.50 31.0 34.00 50.00 1.00 22.0 0.56
GFI ST25 ER32 (2) 25.00 ER32 2.0 20.0 80.00 76.90 45.9 50.00 65.00 1.60 36.0 1.20
• Maximum 2000 RPM!
(1) Radial float from center
(2) Minimum diameter
(3) Maximum diameter
(4) Torque key size
(5) Torque key size

GFI ER - Floating Reamer Collet Chuck Application:
Floating chuck - adjusts the misalignment between the reamer and The GFI floating chuck is a unique holder that compensates
workpiece hole to ensure the same accuracy as the reamer itself. for the radial misalignment existing in reaming operations
carried out on vertical and horizontal machine tools.
COOLANT HOLE
REAR SEAL

DRIVE SHAFT
Features:
Radial self-floating mechanism compensates for misalignment
between the reamer and workpiece to ensure the same
REAR BEARING
FRONT SEAL 6 SPRING PISTON tolerance as the reamer itself. The special self-centering
FLAT FOR FRONT BEARING mechanism eliminates tapered and oversized bores.
SUPPORTING BEARING ADJUSTMENT NUT
O-RING
WRENCH SEAL GASKET Advantages:
Don’t tighten the ER
nut without using Unique ball bearing and axle drive shaft structure enables vertical and
supporting wrench horizontal machining.
ER NUT
Precise and efficient clamping with ER spring collets or ER Coolit collets.

Spare Parts
Designation
GFI ST20 ER20 NUT ER20 TOP WRENCH ER20*
GFI ST25 ER32 NUT ER32 TOP WRENCH ER32*
* Optional, should be ordered separately

746 ISCAR