Zhermack QUASAR, User Manual, Page: 135 / 296

QUASAR/QUASAR PLUS
135 of 296
MAINTENANCE AND USE MANUAL
EN
X
Figure
11
Fig. 11: position the work (X) on the refractory platform.
6
Figure
12
Fig. 12: Shift the mechanical pointer (6) towards its
guide limit stop so that it is in line with the central
vertical axis of the surface working plate. at this point it
corresponds to the optimum thermal focussing point
and is in the exact position in which the welding joint
needs to be positioned.
Figure
13
Fig. 13: Use the joystick (3) to position the welding joint
at the thermal focussing point indicated by the
mechanical pointer. the joystick can be used to raise,
lower and rotate the mobile support (13).
6
Figure
14
Fig. 14: Return the mechanical pointer (6) to its "home"
position at the guide start point.
7.4 WELDING PROCEDURE
When welding pieces of a consistent
mass it is recommended that you
pre-heat in an oven at 400-500°C (for
about 10 minutes) on a ceramic fixing
platform.
Position the welding join with the utmost care and attention. It must be
precisely underneath the mechanical pointer: rotate the platform to check for
proper centring.
If the mechanical pointer is not in its
"home" position the safety system will
prevent the welder from being switched
on.