Meant to lift non-magnetic sheet materials
such as stainless steel, aluminum alloys,
ferrous and non ferrous metals.
Ex. work pieces such as black/whiteboards.
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For metals and other fairly rigid materials. |
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Find the thickness or gauge column of the metal sheet to be handled. |
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Look across to the 2 inch deflection column. |
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Double that figure and you have the recommended maximum square load size for a single pad litter. |
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Find the thickness or gauge column of the metal sheet to be handled. |
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Look across to the 2 inch deflection column. |
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That number for is used from the edge of the sheet to the first inside pad(s). |
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Double that number for the recommended distance in between all pads over the length of the load. Remember to check both length and width dimensions. The same principle is used for all multi-pad lifters. |
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• Increased Productivity |
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Designed to make the most efficient use of manpower, CHIA LUN mechanical lifters allow a single operator to easily handle sheet and plate using only the hoist controls, Eliminates the backbreaking work of prying up heavy plates, separating thin sheets and then dragging and pushing them into shears, macnhandling sharp blocks of aluminum on and off saws, welding hooks into cutouts, or having teams of crane followers move long, wide plate or flimsy sheet down a bay. |
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• Safety Operators |
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Mechanical lifters are self-cycling, eliminating the need to manually attach/detach loads or switch the lifter on and off. The load is kept completely horizontal over floor and machinery at a safe height and distance from the operator. No prying is required,avoiding serious back and hand injuries. An optional VLS safety system gives added protection against vacuum loss. |
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• Ellminates Equipment Damage |
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No need for damaging pry bars and blocks to remove chains, hook, or clamps. Gentle, horizontal positioning is possible directly onto the machine bed. ldeal for ton loading cutting tables, shears, presses, saws, etc. |
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• Ellminates Material Damage |
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Vacuum handling leaves no trace. Only soft rubber or neoprene pads touch the material. There are no scratches, marks, dents, or damage to the surface or precision cut edges. Raw material or finished product retains its value. Multi-point lifting with vacuum cups also prevents distortion of thin sheet. |
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• Improve Storage Utilization |
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There is no need to drive wedges between plates, eliminating wide alleys between stacks. This allows the sheet to be stored flat and reduces deformed wavy plates. There are no blocks or manual attachment height restrictions, allowing you to store more plate in the same area. Storage utilization, inventory control, and general housekeeping is improved. |
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CHIA LUN mechanical vacuum lifters do not rely upon plant power, outside controls or complex accessories. These self-controls or unit create their own vacuum grip mechanically, giving them unmatched mobility for use in metal fabricating plants, service centers, warehouses, and plate yards, Effective on ferrous and nonferrous metals,indoors and out-Wherever materials need to be loaded, unloaded, stored, stacked, handled or transferred. |
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Mechanical lifters increase speed and efficiency of horizontal handling of sheet and plate, fabrications and all types of nonporous materials.
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One person simply attaches the hook of a cane, hoist,or boom truck to the lifter, positions the unit on the load and controls the entire handling operation alone. |
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• No Power Source Required |
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Self-cycling units create their own vacuum grip mechanically Long, thin sheet
(1/4” and down) one at 6 a time-impossible
with a magnet.
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Sequence shown is for a common two-pad lifter. Sequence and principles of operation
Are the same for all lifter capacities
And configurations. |
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Lifter suspended above load,read for pickup. Piston valve open. No vacuum in system. |
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Lifter resting on load at start of grip cycle. Piston recessed in cylinder. Piston valve closed, ready for vacuum cycle. |
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Lifter supporting load. Piston raised by hoisting action, vacuum created underneath piston and pads. |
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‧lncrease speed and efficiency of handling.
‧lncrease safety to workers and machinery.
‧Decrease unnecessary labor and product damage.
‧Simple one-person operation.
‧No installation-simply attach the hook of a hoist,
crane or boom truck to the lifter and it's ready
for operation.
‧Hoist controls entire operation.
‧No control buttons on lifter.
‧No power source required.
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‧No electrical cables or air lines.
‧Not affected by power failure.
‧No marking or scratching of surfaces.
‧No damage to edge or corners.
‧Silent and Clean operation.
‧Low maintenance.
‧Handles ferrous and nonferrous metals.
‧100% duty cycle.
‧Optional safety system.
‧Non-magnetizing. |
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HOW CHIA LUN MECHANICAL VACUUM LIFTER WORK
Simple On/Off Cycle is Quick and Reliable
Upward/Downward Movement Controls Vacuum Pickup and Relese |
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• Basic Operating Procedure : |
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1.Lifter is hanging from crane hook.
2.Lifter is lowered onto load until chain is slack.
3.Lifter is pulled up by hoist and picks up load.
4.Lifter and load are set down until chain is completely slack.
5.Lifter can now be raised alone minus load.
6.Set the lifter down again until the chain is completely slack and it is ready to pick up its next load. |
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• NO INSTALLATION REQUIREA : Technical Description |
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The vacuum generator of the CHIA LUN lifter consists of a free-moving piston within a closed cylinder. A rubber rolling diaphragm forms an airtight seal between piston and cylinder. Since the integrity of this seal does not depend on metal-to-metal contact, it does not lose not lose efficiency with use.
The vacuum grip-and release cycle is controlled by an automatic self-cycling valve located in the bottom of the piston. When the unit is lowered onto the load and the suspension chain slackens, a cam automatically closes the piston valve. Hoisting action then pulls up the piston, creating a powerful vacuum inside the cylinder and underneath the vacuum pads.
When the load is completely set down and the suspension chain is again slackened, the cam opens the piston valve, releasing the vacuum. The lifter then can be raised, ready for the next pickup. Grip is instantaneous, as is the release. Since the valve can only cycle when the chain is completely slack, it cannot be shifted to the “release” position while a load is being held. |
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