Easily de-mold heavy cast parts like bathtubs and panels with these 2 and 4-cup lifters:
Dual (2) Cup Lifter
Quad (4) Cup Panel Lifter
Do you cringe when you think about trying to "free" a finished panel from its mold? Many manufacturers have had the unsettling experience of prying or lifting a heavy, bulky panel far enough to squeeze their fingers underneath in order to raise the heavy piece from the mold. Gruber Systems Cup Lifters makes demolding of heavy cast parts like bathtubs and wall panels into an easy, simple and much safer experience! The Dual Cup Lifter is often used for demolding of bathtubs, while the larger 4-Cup Lifter is generally used with large wall panels.
Cup Lifters are generally used with Demold Gantries or Bridge Cranes, where they are attached to a hoist. Both Cup Lifters utilize large, pneumatic suction cups, and compressed air supply and vacuum pump(s) are used to create a strong vacuum in the cups. The Cup Lifters' large suction cups are lowered to the part and attached by switching on the unit’s two vacuum pumps.The Dual Cup includes one vacuum pump, where the Quad Cup uses two vacuum pumps (one for each two suction cups).
A push on the hoist control button lifts the part just enough to secure safety straps which hold the panel in the event of accidental shut-off of the system while lifting is in progress. With the straps in place, the button is again pushed to lift the part up and away from the mold and over to a waiting conveyor for finishing. Each pump on the Quad Cup Lifter operates independently and activates two of the suction cups, providing an important safety back-up - so should one of the two pumps on the Quad Cup Lifter fail, the second pump (controlling the other two suction cups) would remain active to keep the panel in place.
Both Cup Lifters provide a tremendous safety benefit to the industry in an age of liability concerns over employee health problems, worker safety and Worker's Compensation claims.
Often used for Bathtub demolding.
Dual Cup Lifter Features:
Dual Cup Lifter - #083193
Quad (4) Cup Panel Lifter
For demolding larger or heavier items such as wall panels, we recommend use of the quad (4) cup panel lifter
Quad (4-Cup) Lifter Features:
Quad Cup (Panel) Lifter, 4 cup, 10’, Crated CE4CUP - #083191
Quad Cup (Panel) Lifter, 4 cup, 8’, Crated CE4CUP - #083192
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