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Main
characteristic
The
TP44M
has been conceived to turn brake discs on trucks, busses and
light commercial vehicles without taking off the brake disc from the
wheel hub.
The
execution of the turning operation on the disc rotation site removes
a possible manufacturing imperfection, assembling mistake or
machining inaccuracy when the operation is carried out by means of a
traditional lathe, re-establishing the perfect surface and geometric
matching between pads and brake disc and obtaining in this way the
full braking efficiency from the beginning.
Alignment
to the hub
TP44M
has to be connected to the hub by means of some adaptors, after this
we advise you to properly check the disc run-out and to proceed with
the eventual adjustment in order to obtain a perfect
perpendicularity between disc and the rotation axis.
The
intermittent feeding
The
intermittent feeding acts on the displacement of the tool-holder
group and it allows the tools to engrave concentric circles on the
disc surface (see picture), so that we avoid the formation of the
classical spiral effect on the surface which is the main responsible
of the brake pad radial shifting and the consequent braking problems.
Other
characteristics
The
lathe can be positioned in any position of the 360°, so that it
will not be necessary to dismantle the caliper.
All
commands are directed towards the operator and particularly the tool
setting, that can be done with the lathe turned on by means of an
hand-wheel located on the external side of the toolholder, in a
favorable position to the operator, avoiding in this way the hazard
of acting on the interior side of the fender when the lathe is
running.
The
lathe is mounted on a balancing support, which is placed on two gas
springs and the whole assembly is mounted on a trolley.
This solution allows an easier and quick connection to the
hub of the vehicle.
The
model TP44M is also
available equipped with Inverter with a range of 30 ÷ 100 r.p.m.
This version gives you the further advantage to chose the
most adequate turning speed with regards to the characteristics of
the disc and it makes even easier the alignment operation.
Structural
characteristics
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The
body of the lathe is made by a casting of a special hardened
aluminum alloy
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The
spindle shaft is made of tempered and grinded steel .
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The
support trolley is obtained from an electro welded framework.
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