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 GENERAL OVERVIEW
Pallet Master (Modular 2-Post Straddle) Vertical Lifts are used to move material between two or more levels. Pallet Master VRCs utilize a reliable and continuous duty all-mechanical drive system which provides simple installation, increased longevity and efficiency. This lift has been used in hundreds of warehouses, distribution centers, automotive dealerships, cold storage facilities, military installations and more. The uses and applications are endless.
SPECIFICATIONS
Pallet Master VRCs are available with lifting capacities up to 4,000 lbs; carriage sizes of 33x33, 42x42, 4x4, 5x5 and 6x6; vertical travel from 8 to 35; standard operating speeds of 20-25 fpm; optional speed changes;
FABRICATION
Vertical guide columns are constructed from 4 structural steel angles; The carriage is comprised of 4 steel tubes forming the platform topped with diamond plate steel and 6 channels forming the vertical and horizontal structure. This unit is fully enclosed. Enclosures are constructed from 1/2 expanded metal mesh. Gates are electromechanically interlocked to prevent access to the lift and carriage when the carriage is at a different elevation. The interlocks also prevent carriage movement while a gate is open.
DIGITAL CONTROLS
Standard power requirements are 230 volt, 3-phase, 60 hertz; options for other voltages are available. Pushbutton stations, limit switches and interlocks are operated on a control voltage of 24 VDC. CIPs exclusive Intelitroll 2600 Digital Control Panel housed in a NEMA 12 enclosure provides self-diagnostic features to improve reliability, decrease costly downtimes, ease troubleshooting and installation.
OPERATIONAL CONCEPTS
The carriage is raised and lowered by two wire rope cables attached to a 100% duty-cycle electric brake motor coupled with a Cyclo-Drive reducer that boasts a 500% shock load rating. Special switches and brakes monitor the cable situation.
SAFETY DEVICES AND FEATURES
Upward and downward travel is constrained by limit switches placed at each level for precise leveling. Slack cable switches provide monitoring of the cables and disable power in the event of a cable failure. Carriage mounted brakes prevent the carriage from uncontrolled descent in the unlikely event a cable were ever to fail. An electromechanical brake mounted on the motor is disengaged when power is applied to allow carriage movement. If a power failure should occur or a switch is tripped, power to the brake will be removed which would automatically activate the brake. The Soft-Start/Soft-Stop feature provides gradual acceleration and deceleration which protects the load, the unit and increase the lifts longevity. This feature is standard on units over 4,000 lbs capacity and available as an option on others.
CARRIAGE STRUCTURE
The Pallet Master VRC is equipped with side rails on all non-operating sides and safety chains on all operating sides. Pallet Master VRCs are capable of loading from the same side or from opposite sides at each level. These configurations are referred to as a C or Z Load Pattern.
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