Page 13 - TPM Issue4

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Below:
The drill head travels
along the length of the
frame and has a drill
rod attached.

Above:
Each track frame can be adjusted to change the
angle of the chassis and this works well, while
remaining stiff.

individual linked tracks that are and piston are both made
tensioned nicely with a pair of rotating from metal so there is no natural
upper rollers giving the tracks a slight resistance.
bow. Each track frame is separately The drilling head is mounted
connected to the main chassis, with to a sled which moves along the
functional hydraulics allowing the frame and is complemented with
chassis angle to be adjusted, ideal for hydraulic lines and a drill rod.
uneven ground. The control module As the drill head is lowered, the Above:
stands out, complete with different hydraulic bundle unfolds and The control panel has been authentically finished
with three groups of levers and several display
screens and a whole host of control this works well while the surface screens.
levers split into three groups with the detailing of the drill head is
console mounted to a frame which sufficient. Another small screw
allows both swivelling and height allows the drill sled to be locked
movement, complete with a very in place and the model can be
small hydraulic ram for the parallel positioned in a number
mounting frame. of drilling situations, even
The main drill frame can be horizontal. While the Klemm
adjusted in a multitude of different KR806-3GS may not be model
positions, with no fewer than eight for everyone, there is no
fully functional hydraulic cylinders denying that a lot of
to change the angle, height and development work has gone
inclination of the frame which itself into creating a very interesting Above:
has several more hydraulic release with the paint finish up The kinematics of the arm are what impresses most
on the model, with 8 cylinders combining perfectly.
components that allow the frame to to NZG’s very high standards.
traverse the mounting point while also Even the printing look good,
moving the upper of the assemblies at particularly the markings on the
the bottom of the frame. A screw is track frames.
strategically placed to keep the frame
in place at the chosen extension and
this is a nice touch, as the cylinder

Below:
The kinematics of the arm allow drilling
towards the side of the chassis.
Above:
The drill head has surface detailing and flexible hy-
draulic lines attached, complete with a locking
screw.

Summer 2020 - TPMMW Magazine 13