WULFTEC
SEMI-AUTOMATIC ROTARY ARM STRETCH WRAPPING SYSTEM
MODEL: WRT-150
The WRT-150 floor mounted model is a semi-automatic rotary tower stretch wrapping system. It is Wulftec’s most popular WRT model. All Wulftec semi-automatic rotary arm machines feature common benefits including the capability of wrapping up to 50 loads per hour, 20″ NO-THREAD powered pre-stretch carriage with 50-300% pre-stretch, 25″ ring gear bearing with pinion gear driv, 12 RPM variabvle speed, unlimited load weight capacity and heavy-duty structural steel construction.
- NEMA 4/12 control panel dust tight and waterproof
- The control panel is UL508A approved
- 100% Structural Steel Construction
- Superior Electrical/Electronic Design including Allen Bradley MicroLogix PLC and AC drives
- Wulftec’s exclusive 20″ NO-THREAD® Powered Pre-Stretch Carriage (30″ optional)
- Easily available non-proprietary parts
- State-of-the-art electrical control panel with all finger safe electrical components
- Superior driving mechanism with heavy duty ring gear with pinion gear drive
- Angled carriage to wrap approximately 2″ above floor level
- Emergency stop sensor for arm path obstruction
Production Rate
- 50 loads per hour
Machine Dimensions
- 165.50″ L x
- 130″ W x
- 117.50″ H
Maximum Load Size
- 56″ L x
- 56″ W x
- 80″ H
Load Weight
- Unlimited
Approximate Shipping Weight
- 2050 lbs
Electrical Requirements
- 120 V /
- 1 ph /
- 60Hz
- 15A
Controls
- Allen Bradley MicroLogix 1200 PLC
- 24V control system
- Current overload protection
- NEMA 4/12 control cabinet (can be located up to 10′ from machine frame)
- Autoheight sensing photoeye
- Power on/off switch and status light
- Start/stop push button
- Large emergency stop (push / pull type)
- Manual carriage up/down function
- Variable rotary arm speed (12RPM)
- Separate up and down carriage speeds
- Separate top and bottom wrap selectors
- Reinforced wrap/manual rotation control
- Positive arm alignment controlled by proximity sensor
- Top cover pause switch (Splash proof program)
- Spiral up or spiral up/down switch
- Film force to load control
- Emergency stop sensor for arm path obstruction
Structure
- Heavy duty structural steel construction
- 10″ Square tubing column
- Floor mounting integrated design with 10 anchor points
- Easy access to all components
Anchoring Requirements
- Wulftec recommends using heavy-duty expansion shields of 3/4″ diameter thread size with a minimum anchor depth of 4″ in concrete. To be I-beam (6″ to 8″) mounted, there are 2 anchors at the bottom and also 2 bolts on the top of the machine frame.
Film Delivery System
- 20″ NO-THREAD® Powered Pre-Stretch Carriage
- 1 HP AC motor with Allen Bradley variable frequency drive
- Lifetime warranty on pre-stretch rollers blue compound
- Film force release for easy pull at start and end of cycle
- 50-400% pre-stretch ratio (preset to customer spec, Std 200%)
- Electronic film tension control with analog sensor
- Lexan roller cover for operator safety
- Angled carriage to wrap approximately 2″ from floor level
- Proximity sensor on carriage gate to ensure gate is properly closed
Film Carriage Drive
- 1 HP AC motor with Allen Bradley variable frequency drive
- Two #50 carriage lifting chains
- Dual 1/2″ CRS ways with UHMW-PE carriage glides
- Dual structural steel supporting boom
- Power track for efficient guiding of wires
Rotary Arm Drive
- Heavy duty 25″ ring gear with pinion gear drive
- 1 HP AC motor with Allen Bradley variable frequency drive
- 0-12 RPM variable speed
- Electronic soft start/stop
- Positive arm alignment controlled by proximity sensor
- Protection guard over the ring gear
Technical Information
- The machine is provided with a manual including electro/mechanical schematics and drawings, troubleshooting guide & Installation instructions
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
20″ hydraulic carriage (no pre-stretch)
30″ hydraulic carriage (no pre-stretch)
30″ NO-THREAD® Powered Pre-Stretch Carriage
Carriage adaptor bracket for 20″ film on 30″ carriage
Manually Adjustable Dual Roping Bar
Manually Adjustable Single Roping Bar
Pneumatic roping dual
Pneumatic roping dual – extra photoeye
Pneumatic roping single
Controls
Lanyard remote
Lanyard remote
Pull cord
Remote push button station
Safety control lockout
Upgrade from standard to deluxe
Warning Alarm / Horn
Warning flashing light
Extension
Wrap arm diameter extension – 104in
Wrap arm diameter extension – 92in
Wrap height extension – 104in
Wrap height extension – 92in
Motors
Wash down motors
Paint
Epoxy paint
Steel-it paint
Pass height
Pass height matching existing conveyor line
Photoeye
Dark load detection
Safety
Safety fencing
Safety light curtains
Scale
Electronic scale
Speed
2-speed – variable up to 17 RPM
High speed – variable up to 17 RPM
Stopper
Pallet stopper
Swivel stand
Swivel Stand – Manual
Swivel Stand – Powered Electric
Temperature package
Cold A (32 to 41°F / 0 to 5°C)
Cold B (5 to 32°F / -15 to 0°C)
Cold B (5 to 32°F / -15 to 0°C) – Deluxe panel
Cold C (-31 to 5°F / -35 to -15°C)
Fan & Exhaust
Warm A (up to 115°F / up to 46°C)
Warm B (104°F / 40°C and up)
Transformer
Customized transformer
Standard transformer
Transformer for Cold C temperature package