Page 100 - HOLE MAKING CATALOG p383-544

ITS BORE USER GUIDE

Fine Boring Head BHF 63-125

Operating Instructions

BHF 50 Shown 1 Body
BHFH 2 Expanding pin
3 Graduated dial
1 37 IHFF 9 4 Slide locking screw
5 Toolholder locking screw
012 BBH 6 Coolant nozzle
7 Slide holder
89 34 8 Oiling nipple
9 Toolholder locking
5 67
screws

10 Slide adjustment range

Do not exceed the
range marks

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
Weekly:
BHF MB50- 80x94 30-35 • Lubricate through the nipple [8] with ISO UN G220 oil.

BHF MB63- 63x87 80-90 Periodically:
• Clean and lubricate the conical and
BHF MB80- 80x94 80-90
cylindrical matching surfaces.
BHF MB80-125x94 80-90 • Treat expanding pin [2] with an anti-friction lubricant.
• Clean and lubricate the tool slide guideway.
• Insert the screw [5]. If it protrudes, the sleeve
Important Note:
should be rotated until the screw can enter the Toolholder should be firmly affixed to the slide.­

recess in the sleeve nut or boring bar.

Disassembly

In order to separate the BHF from the shank, loosen
the expanding pin [2] by turning counterclockwise.

482 ISCAR