GULLCO , GPP-200, Техническое руководство

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6
MECHANICAL INSTALLATION
WARNING! Check to ensure that no parts have become loose during transportation.
The Gullco positioner is equipped with handles for portability. The
weight of the positioner is evenly distributed around the handles
when tilted and locked in the upright position (as shown adjacent).
Lifting the positioner with additional equipment attached (resulting
in uneven weight distribution), cables attached, or with the
positioners tower in any other position than upright and firmly
locked, may present a hazard. Therefore we recommend that
care and consideration should be given to removing uneven loads
and /or any additions that may make the total weight of the
equipment too heavy or awkward to be comfortably lifted.
WARNING! Never disengage the tilt locking lever, when there
is a possibility that this action may result in uncontrollable or
unsafe radial motion of the positioner tower.
Bolt the welding positioner to a fixed table using four (4), 3/8" or 10mm bolts (not supplied). The
center distances of the positioners pre-drilled mounting boltholes are 8" [20.3 cm] wide by 10" [25.4
cm] long.
Check that the welding ground block on the underside of the spindle flange is correctly located and
well seated.
Depending on any optional accessories that may have been supplied with the unit, further
installation may be required. This typically consists of any combination of simple mechanical
erection and simple cable connection (usually through multi-pin connectors).
LOADING
Before mounting any load to the rotary table, the tilt locking adjustable lever should be tested for
tightness. When loading the work piece onto the table, take account of the weight, centroid
eccentricity and centroid height of both the work piece and all clamping fixtures. When the work
piece is large and its weight is one sided at the peripheral portion, inertia start and stop is severe
and can cause an overload situation. Wherever possible, counterbalance weights should be used
to reduce this stress. Take into consideration the additional weight and distribution of the
counterbalance.
WARNING! Lower work pieces onto the turntable gently. Impact and shock loads are many
times greater than the "dead-weight” of the work-piece. Dropping loads onto the
table can result in damage!
WARNING! Do not use impact or shock techniques to clamp and unclamp self-centering grippers
mounted to the positioner turntable. The shock will be transferred to the drive
system resulting in damage!