WCRT-CRW - Automatic Rotary Arm Stretch Wrapper

WCRT-CRW - Automatic Rotary Arm Stretch Wrapper Specifications

• 100 loads per hour

Maximum Load Weight

• 5000 lbs
• (6000 lbs*)

Maximum Load Size

• 48" L x 
• 48" W x 
• 80" H

Machine Dimensions

• 138" L x 
• 148" W x 
• 140" H

Approximate Shipping Weight

• 4500 lbs

Electrical Requirements

• 230 V /
• 3 ph /
• 15A
• 60Hz

Pneumatic Requirements

• 3 cfm @ 
• 80 psi

Controls

• NEMA 4/12 control cabinet with quick disconnect
• Allen Bradley monochrome Touch Panel
• Double brush dust tight slip ring
• Alarm beacon light
• Allen Bradley SLC 5/03 PLC
• 24V control system
• Current overload protection
• Sick autoheight sensing photoeye with on/off mode
• Power On/Off lockable switch and indicator light
• 230VAC Motors with AC variable frequency drives
• Two emergency stop stations (1 on panel / 1 in wrap zone)
• Manual function for rotation fwd/rev and carriage up/down
• Variable rotary arm speed (17 RPM other speeds available*)
• Intuitive alarms diagnostic
• Cycle counter
• Reset function
• Separate top and bottom wrap selections (0-9)
• Separate up and down carriage speeds
• Film force to load control
• All conveyors with independent fwd/rev manual function
• Manual clamp jog
• Dynamic braking system for rotary arm with AC drive
• 120 VAC outlet in control panel for service work
• 1 HP 230VAC Motor & AC variable frequency drive

Film Delivery System

• Lifetime warranty on pre-stretch rollers' blue compound
• 20" NO-THREAD® Powered Pre-Stretch Carriage
• Film force release for easy pull at start and end of cycle
• 50-300% pre-stretch ratio (preset to customer specs-std 200%)
• Electronic film tension control with analog sensor
• Sensing device for film out/broken with visual alarm
• Lexan roller cover for operator safety

Film Carriage Drive

• Emergency stop for arm path obstruction
• Angled carriage to wrap approx. 2" from conveyor level
• 1 HP AC motor with Allen Bradley variable frequency drive
• Two #50 carriage lifting chains
• Dual steel supporting boom
• Power track for efficient guiding of wires
• Machined UHMW-PE carriage glides on 1/2" CRS rails  

Film Tail Treatment

• Film alignment arm
• Automatic film clamping device
• Pulsed controlled cutter
• Brush-on film tail treatment
• (Heat Seal treatment optional*)

Rotary Arm Drive

• 1 HP AC motor with Allen Bradley variable frequency drive
• 25" Heavy duty Ring GEAR Bearing, with Pinion GEAR Drive
• Heavy duty structural steel construction: easy access to all components
• Counter-balanced rotary arm for smooth rotation
• 17 RPM variable speed (up to 35 RPM)
• Safety fencing with security door
• Automated remote lube station
• Dual steel boom rotary arm
• Electronic soft start/stop
• Positive arm alignment controlled by "Proximity Sensor"
• Dynamic braking system for rotary arm with AC drive
• Protective guard covering ring gear

Conveyor

Structure

• 4 -- 6" X 6" floor mounting legs
• Free standing integrated leg design

Safety Features

• The Wulftec wrapping system is equipped with 5 photoeyes which monitor access points to wrapping zone and prevent accidental insertion of foreign object during wrapping
• 2 E-Stop mushroom type push buttons: 1 on control panel, and 1 in wrapping zone
• Additional E-Stop are available upon request
• Wrapping zone enclosed by heavy-duty personnel obstruction fencing. Complete with electronically interlocked access door
• An object obstruction safety device stops the machine functions should there be any interference in the wrapping area

Technical Information

• The machine is provided with a manual including electro/mechanical schematics and drawings, maintenance program and PLC program disk

Warranty

• 3-year unlimited cycle warranty
• 10-year warranty on steel structure
• 10-year warranty on 25" ring gear bearings
• Lifetime warranty on pre-stretch rollers' blue compound

Notes:

• Optional
• Production rate based on load configuration and machine options
• Overall dimensions of machine in operation
• All machine specifications are subject to change without prior notice
• Please consult your distributor for prices.
• Please note that retrofits are to be installed by a Certified Wulftec Technician.

WCRT-CRW - Automatic Rotary Arm Stretch Wrapper Features

• Wulftec was the first in North America to put AC variable frequency drives as standard equipment on all machines. Why? Lower maintenance and better reliability—Wulftec stretch wrappers will save time and money
• NEMA 4/12 control panel dust tight and waterproof
• The control panel is neatly organized eliminating time otherwise lost searching for wires
• The control panel is UL508A approved
• Superior Electrical/Electronic Design including Allen Bradley CompactLogix PLC and AC drives
• User friendly touch screen offers a simple yet effective way to adjust and maintain your equipment
• All motors, proximity sensors, photoeyes and other sensors have quick disconnect cables that simplify installation and maintenance
• All Wulftec structures are made of heavy-duty steel for rugged performance, even in the harshest work environments. They’re built to last forever
• Robust 3-legged design for optimal stability and less stress on the frame
• A 25" ring gear with pinion gear drive provides the strongest drive in the industry and is warranteed for 10 years.
• Dual chain driven for balanced movement & no vibration
• Our heavy duty conveyors are second to none in the industry
• The "Maintenance Free" spring loaded carriage gate equipped with spring loaded rollers, ensures optimal contact with the stretch film year after year, without involving maintenance
• Wulftec is the only manufacturer to offer a LIFETIME warranty on its pre-stretch rollers’ blue compound.
• Preset pre-stretch ratios are available from 50-300%
• The angled carriage with very low wrap possibility, the product is properly secured to the pallet, resulting in a pallet that is more stable for transport, and therefore less damage
• No film threading is required and a Lexan cover eliminates operator's ability to reach rollers when gate is closed
• The pneumatically operated cut and wipe-on system automatically cuts and wipes the film onto the load upon cycle end
  • A vertical roller positions the film over the clamp which grabs the film; this ensures longer heat wire life expectancy
  • Then the heat wire swings in and cuts the film
  • A timed impulse heat control, allows quick cool down so the heat wire becomes cold to the touch within 5 seconds
• Wulftec's revolutionary drop away clamp ensures clean film release from the pallet load
• Benefit from our splash proof program with the top cover pause
• Non-Proprietary parts accessible on a local base
• The best warranties in the industry
  • 4-year unlimited cycle warranty
  • lifetime warranty on prestretch rollers
  • 10-years on the steel structure and ring gear

WCRT-CRW - Automatic Rotary Arm Stretch Wrapper Video

WCRT-CRW - Automatic Rotary Arm Stretch Wrapper Photos