Page 117 - HOLE_MAKING_CATALOG_INCH_2022_P447-P626

USER GUIDE
ITS BORE

BHD Digital Fine Boring Head Metric/Inch Operating Instructions

BHD MB 80-32 Assembly
• Before mounting the BHD boring head,
make sure the expanding pin [2] does not
2 14 protrude from the cylindrical body part.
• Insert BHD boring head into the shank.
1
8 Tighten pin [2] by turning clockwise.
12
• Tighten screw [5]. If it protrudes, the sleeve
13 3 4 should be rotated until the screw can enter the
recess in the sleeve nut or boring bar.
7 7 Disassembly
5 5 6 To separate the BHD from the shank, loosen the
11 expanding pin [2] by turning counterclockwise.
Positioning
The display [12] shows the value of the adjustment
9 10 diameter with a 2µm screen resolution.
• Switch on the BHD boring head by pushing
the selection button [13]. The display [12] will
(2)
Tighten pin by turning clockwise show the value of the previous adjustment.
Following the recommended tightening To reset the value displayed, press and hold the button
torque guidelines below: [13]. After 2 seconds, the display will show. Release
Allen Key the button. The display will show the value 0.000.
Designation (Nm) (Lbf.ft) (mm) Loosen screw [4] before making any
BHD MB32-32-83 7.0-8.0 5.16-5.90 4 slide adjustment to the dial [3].
BHD MB40-40-90 16.0-18.0 11.80-13.28 5 • Adjust the required diameter by turning the dial [3]
BHD MB50-50-60 30.0-35.0 22.13-25.81 6 counterclockwise. The tool slide [7] allows a 5mm radial
adjustment. The display [12] will show the
BHD MB63-63-89 70.0-80.0 51.63-59.0 8 new value in diameter. The absolute value
BHD MB80-80-104 70.0-80.0 51.63-59.0 8 CANNOT be viewed, only the relative value.
• After positioning, lock the tool slide
1 Body by means of the screw [4]
see torque recommendation. If unused for more than
2 Expanding pin
30 seconds, the display switches off automatically.
3 Dial
WARNING
4 Slide locking screw DO NOT perform any slide movement
5 Toolholder locking screw when the display is switched off.
6 Coolant nozzle DO NOT exceed the range marks [10].
7 Slide holder Before carrying out a fine adjustment
(described in FIG.3):
8 Oiling nipple 1 Loosen screw [4] of slide adjustment.
9 Tool bore 16H7 2 Adjust dial [3] to required diameter.
3 Tighten screw [4].
10 Slide adjustment range
Setting metric/inch
11 Cutting edge position mark To change unit readout from metric to inch:
12 Digital display • Press and hold the button [13]. The display
13 Selection button shows “----”, after 10 sec the new unit readout
appears on the left of the display.
14 Battery cover
• Release the button.

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