Page 484 - ISCAR(HOLE_MAKING_CATALOG_65)

USER GUIDE
ITS BORE Fine Boring Head BHF 63-125

Operating Instructions

BHF 50 Shown

1 Body
BHFH 2 Expanding pin
3 Graduated dial
4 Slide locking screw
5 Toolholder locking screw
6 Coolant nozzle

1 3 7 7 Slide holder
IHFF 8 Oiling nipple
9
9 Toolholder locking
screws
BBH
0 1 2 10 Slide adjustment range
9 3
Do not exceed the
8
4
7
range marks
5
6
8
IHFF / IHRF
ADBH 30xD16
2 4 6 10

IHAX F

5

Assembly Positioning
• Before mounting the BHF boring head, • The tool slide [7] allows for a 5 mm adjustment
make sure the expanding pin [2] does not by turning graduated dial [3] counterclockwise.
protrude from the cylindrical body part. • When changing the direction of the dial rotation,
• Insert BHF into the shank. backlash must be compensated for.
• Tighten pin [2] by turning clockwise • After positioning, lock the tool slide

following the recommended tightening by means of the screw [4].
torque guidelines below: • Loosen screw [4] before making any slide adjustment.
Recommended torque: (N.m) Maintenance
BHF MB50- 63x87 30-35
BHF MB50- 80x94 30-35 Weekly:
BHF MB63- 63x87 80-90 • Lubricate through the nipple [8] with ISO UN G220 oil.
BHF MB80- 80x94 80-90 Periodically:
BHF MB80-125x94 80-90 • Clean and lubricate the conical and
• Insert the screw [5]. If it protrudes, the sleeve cylindrical matching surfaces.
should be rotated until the screw can enter the • Treat expanding pin [2] with an anti-friction lubricant.
recess in the sleeve nut or boring bar. • Clean and lubricate the tool slide guideway.

Disassembly Important Note:
In order to separate the BHF from the shank, loosen Toolholder should be firmly affixed to the slide.
the expanding pin [2] by turning counterclockwise.

482 ISCAR