Page 102 - HOLE MAKING CATALOG p383-544

ITS BORE USER GUIDE

BHD Digital Fine Boring Head Metric/Inch Operating Instructions

BHD MB 80-32 14 Assembly
8 • Before mounting the BHD boring head,
2
1 4 make sure the expanding pin [2] does not
protrude from the cylindrical body part.
12 6 • Insert BHD boring head into the shank.
13 3 11
Tighten pin [2] by turning clockwise.
77 • Tighten screw [5]. If it protrudes, the sleeve
55
should be rotated until the screw can enter the
9 10 recess in the sleeve nut or boring bar.

Tighten pin (2) by turning clockwise Disassembly
Following the recommended tightening To separate the BHD from the shank, loosen the
torque guidelines below: expanding pin [2] by turning counterclockwise.

Designation (Nm) (Lbf.ft) Allen Key Positioning
BHD MB32-32-83 7.0-8.0 5.16-5.90 (mm) The display [12] shows the value of the adjustment
BHD MB40-40-90 16.0-18.0 11.80-13.28 4 diameter with a 2µm screen resolution.
BHD MB50-50-60 30.0-35.0 22.13-25.81 5
BHD MB63-63-89 70.0-80.0 51.63-59.0 6 • Switch on the BHD boring head by pushing
BHD MB80-80-104 70.0-80.0 51.63-59.0 8 the selection button [13]. The display [12] will
8 show the value of the previous adjustment.
To reset the value displayed, press and hold the button
1 Body [13]. After 2 seconds, the display will show. Release
2 Expanding pin the button. The display will show the value 0.000.
3 Dial
4 Slide locking screw Loosen screw [4] before making any
5 Toolholder locking screw slide adjustment to the dial [3].
6 Coolant nozzle
7 Slide holder • Adjust the required diameter by turning the dial [3]
8 Oiling nipple counterclockwise. The tool slide [7] allows a 5mm radial
9 Tool bore 16H7 adjustment. The display [12] will show the
10 Slide adjustment range new value in diameter. The absolute value
11 Cutting edge position mark CANNOT be viewed, only the relative value.
12 Digital display
13 Selection button • After positioning, lock the tool slide
14 Battery cover by means of the screw [4]
see torque recommendation. If unused for more than
30 seconds, the display switches off automatically.

WARNINIG
DO NOT perform any slide movement
when the display is switched off.
DO NOT exceed the range marks [10].

Before carrying out a fine adjustment
(described in FIG.3):
1 Loosen screw [4] of slide adjustment.
2 Adjust dial [3] to required diameter.
3 Tighten screw [4].

Setting metric/inch
To change unit readout from metric to inch:

• Press and hold the button [13]. The display
shows “----”, after 10 sec the new unit readout
appears on the left of the display.

• Release the button.

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