13 Fundamentals on wo rking with the machine
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13.5. Inserting the cutting tool in the tool holder
The basic equipment of the PD 400 includes a multiple tool holder consisting of tool
holder block 1 and two tool holder elements 2. The tool holder elements can be adjusted
in height: Turn the knurled screw 5 up or down until the tool centre is exactly in the
centre, meaning at the same height as the work piece axis. The exact height setting is
very important. This is the only way to guarantee the optimal geometrical conditions at
the cutting edge. Otherwise vibrations and a bad work result would be the result.
The position set in this way can be "memorized" by tightening with knurled screw 6 and
can be reproduced by repeatedly inserting the tool holder in the dovetail guide. Often
different cutting tools are required for different work processes. If they are already "pre-
mounted" in the tool holder and adjusted correctly, they can be easily exchanged in the
dovetail guide after loosening screw 7. The correct height is set automatically when the
knurled screw hits the top side of the tool holder.
1. Insert cutting tool 3 in tool holder
element 2. Firmly tighten both
screws 4.
2. Insert tool holder element in tool
holder block 1. Adjust the height of
the cutting tool with nut 5 and
tighten with nut 6.
3. Please adjust the height of the
cutting edge with the lathe centre
in the tailstock.
4. Clamp tool holder element with
screw 7.
Note:
The entire holding block can be
swivelled after release screw 8.
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