WULFTEC
AUTOMATIC ROTARY ARM COCOON STRETCH WRAPPER
MODEL: WCRT-CRW
The WCRT-CRW model, an automatic free standing rotary arm cocoon roll stretch wrapper, is the ideal stretch wrapping solution for your unique needs. THe WCRT Series features easy access to all components for trouble free maintenance as well as a 5,000 lbs load weight capacity, with an option for 6,ooo lbs.
- 4,000 lbs load weight capacity (optional 6000 lbs)
- The control panel is UL508A approved
- 100% structural steel construction
- 25″ ring gear with pinion gear drive
- Automated remote lube station
- Superior Electrical/Electronic Design including Allen Bradley SLC 5/03 logic control
- Wulftec’s exclusive 20″ NO-THREAD® Powered Pre-Stretch Carriage (30″ optional)
- Lifetime warranty on prestretch rollers blue compound
- Readily available non-proprietary parts
- Motors speed control are made through AC frequency drives
- Allen Bradley Monochrome Touch Screen – play an active part in avoiding operator errors by offering a great versatility for customized information and alarm diagnostic
Production Rate
- 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 prestretch 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.
Carriage
30″ NO-THREAD® Powered Pre-Stretch Carriage
Controls
Communication bypass mode
Warning Alarm / Horn
Motors
Wash-down motors on conveyor
Photoeye
Dark load detection
Forklift detection
Scale
Electronic scale
Temperature package
Cold A (32 to 41°F / 0 to 5°C)
Cold B (5 to 32°F / -15 to 0°C)
Cold C (-31 to 5°F / -35 to -15°C)
Fan & Exhaust