2 TON STACKER CRANE
4,000 lb. High Density Stacker Crane
American Crane’s 2 TON STACKER Crane System
improves productivity using only a single operator.
Features
• User friendly with four (4) motion motorized movement
• Aisle space requirements narrower than required by conventional forklift
• Precise spotting due to maximum stability at high positions and minimum
sway at any elevation
• Mast mounted flood light for floor illumination
• On-board operators safety cage
• Compatible with numerous forks, carriages and lifting attachments
• esigned to run directly on top of racking eliminating additional support
D
structures
• An optimum 4,000 lbs. load capacity, typical of most factory loads
• Trolley wheels ride within the bridge beams, prohibiting derailment
• eavy duty welded mast construction to provide maximum strength
H
and minimum deflection with 360° continuous mast rotation
• -Bar Insulated Conductor System provides continuous trouble free power
4
supply
• User friendly pushbutton operator controls including key locked on/off
• Variable speed solid state controls provide smooth precise positioning
• S afety features include two (2) hoist brakes, hoist free fall catching
mechanism, hoist overweight limit and
operator’s foot controlled “dead-man”
safety switch
• CMAA, NEC & OSHA Compliant
531 Old Swede Road • Douglassville, PA 19518 • 877.877.6778 • 610.385.6061
AmericanCrane.com
104 Rev. 1
TECHNICAL SPECIFICATIONS
MECHANICAL DATA ELECTRICAL DATA
CAPACITY: 2 Tons (4,000 lbs.) (Standard) MOTOR CIRCUIT FUSES: Included
SPAN: Standard up to 28’ – 0”; over 28’ – 0” consult factory THERMAL OVERLOAD
Included
PROTECTION:
HOIST TYPE: Electric Chain (HMI Class H3 rated)
POWER SUPPLY: 460-3-60 AC (others available)
HOISTING SPEED: 23/8 FPM 2 speed
CONTROL CIRCUIT: 110 V.A.C. Fused
TROLLEY SPEED: 6 – 25 FPM 2 speed (manually reprogrammable)
HOIST & ROTATE
MAST ROTATE: 2 RPM Max. single speed variable (manually reprogrammable) Full magnetic in NEMA 12 enclosure
CONTROL TYPE:
BRIDGE SPEED: 7.5 - 75 FPM 2 speed (manually reprogrammable) BRIDGE, TROLLEY &
Variable adjustable frequency inverter
ROTATE CONTROL TYPE:
HOIST BRAKES: AC Disc type plus Weston mechanical load brake
BRIDGE TRAVEL LIMITS: Prevents over travel of bridge motion
FAIL SAFE BRAKE: Dual mounted on fork assembly prevents drop of load
LIMIT SWITCH TRIPPERS: Included
BRIDGE BRAKES: DC Disc type
OPERATOR STATIONS: Fixed 10 button station
HOIST MOTOR: 4/1.3 HP, Sq. Cage, TENV, 30 min., Class B insulation
TROLLEY CONDUCTORS: Track type included
BRIDGE MOTOR: (2) 1/3 HP, Sq. Cage, TEFC, Continuous, Class B insulation
1/3 RUNWAY
TROLLEY MOTOR: HP, Sq. Cage, TEFC, Continuous, Class B insulation Included
COLLECTOR SHOE:
1/8
ROTATE MOTOR: HP, Sq. Cage, TEFC, Continuous, Class B insulation RUNWAY
4-bar conductor system
RACK HEIGHT: Standard up to 16’ – 0”; over 16’ – 0” consult factory ELECTRIFICATION:
FORK LENGTH: 30”, 36”, 42” and 48”; over 48” consult factory Custom designed and engineered in
ELECTRICAL PANEL: accordance with all applicable codes
including CMAA, OSHA, and NEC.
CONSTRUCTION FEATURES
BRIDGE CONSTRUCTION: Top Running Double Girder with wide flange beams, welded construction. Rolled structural end trucks with guide rollers.
Upper wheels are 9” diameter with roller bearings and pressure grease fittings. Wheels provide minimal friction and maximum load
BRIDGE WHEELS:
stability. The lower wheel treads are fabricated from a high strength polymer to provide maximum durability.
RAIL SWEEP: Mounted on the front of each wheel.
TROLLEY CONSTRUCTION: Steel plate with four (4) integral flanges to assure accurate turntable integration.
TROLLEY WHEELS: 5” diameter with ball bearings.
BEARING LIFE: 5,000 Hrs. L-l0 min. (CMAA Class “C” Duty)
TROLLEY GUIDES: 11/4” diameter guide rollers to prevent trolley kick-up during lifting operations.
Welded 6” channels, separated with ladder cross members. Each channel contains a steel guide bar welded inside to
MAST CONSTRUCTION:
accommodate fork travel.
TURNTABLE: 360˚ high capacity rotary bearing.
(4) 2” diameter crowned cam roller with pressure grease fittings, designed to ride on inboard high strength steel guide bars to
FORK ROLLERS:
distribute the load of the fork frame.
MAST STABILIZER: Enclosed steel angle frame with 45˚ corners bolted to mast.
PROTECTIVE CANOPY: 16” x 141/2” Plexiglass viewing area for unobstructed visibility.
OPERATOR VIEW PORT LIGHTS: (2) 150 Watt reflector flood lamps controlled by power on/off switch; 115 volt light circuit.
CHAIN LOAD STABILITY: 5 pocket load sheave to insure that the chain does not slip.
HOIST BRAKE: Motor mounted multiple disc type holding brake, mechanical load brake, plus regenerative control braking.
LOAD CHAIN: High strength, Grade 80, electroplated with zinc.
HOIST GEARBOX: Hardened, precision alloy steel helical gearing.
Totally enclosed units with helical gears operating in oil bath. Gear material fabricated from SAE 8620 drop forgings heat treated to
TRAVEL DRIVE GEAR CASES:
58-60 Rc.
531 Old Swede Road • Douglassville, PA 19518 • 877.877.6778 • 610.385.6061
AmericanCrane.com
104 Rev. 1
