Page 483 - ISCAR(HOLE_MAKING_CATALOG_65)

USER GUIDE
ITS BORE

Fine Boring Head BHF 16-50
Operating Instructions

BHF 50 Shown

1 Body
2 Expanding pin
Reduction Sleeve
IHAXF 3 Graduated dial
3 1 4 Slide locking screw
5 Toolholder locking screw
4
6 6 Coolant nozzle
11 7 Serrated face

2 IHAX F 8 Oiling nipple
BBH 9 Tool bore 16H7
10 Slide adjustment range
Do not exceed the
range marks!!
11 Cutting edge
IHFF IHFF position mark
Sleeve
8 Nut
5
9
7 10

Assembly Positioning
• Before mounting the BHF boring head, • The tool slide [7] allows for a 4 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 MB16-16x34 2.0 - 2.5
BHF MB20-20x40 4.0 - 4.5 Weekly:
BHF MB25-25x50 6.5 - 7.5 • Lubricate through the nipple [8] with ISO UN G220 oil.
BHF MB32-32x63 7.0 - 8.0 Periodically:
BHF MB40-40x80 16.0 - 18.0 • Clean and lubricate the conical and
BHF MB50-50x60 30.0 - 35.0 cylindrical matching surfaces.
• Insert the screw [5]. If it protrudes, the sleeve should • Treat expanding pin [2] with an anti-friction lubricant.
be rotated until the screw can enter the recess in • Clean and lubricate the tool slide guideway.
the sleeve nut, reduction sleeve or boring bar. Important Note:
Disassembly Toolholder should be firmly affixed to the slide.
In order to separate the BHF from the shank, loosen
the expanding pin [2] by turning counterclockwise.

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