Wulftec WRTA-150 Automated Stretch Wrapper

General Details

The WRTA-150 model, an automatic rotary arm wrapper. This flexible design is ideal for odd shape loads, and allows for unlimited load weight capacity. Automatically applies & seals off the stretch film.


  • Quality equipment made in Canada
  • 4 year unlimited cycle warranty
  • 10 year warranty on structural steel frame
  • LIFETIME warranty on pre-stretch rollers blue compound
  • Fully automated film clamp, welding and film cutting device
  • 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
  • Soft start and stop rotary arm function
  • Photo cell for automatic load height detection
  • State-of-the-art electrical Nema 4/12 control panel, dust tight, waterproof, UL508A approved with all finger safe electrical components
  • 100% structural steel construction
  • Superior electrical/electronic design including Allen Bradley Micrologix PLC and AC drives
  • Wulftec’s exclusive 500mm no-thread® powered pre-stretch carriage (760mm optional)
  • Easily available non-proprietary parts
  • Dual carriage lifting chains enclosed inside tower for operator safety
  • Electronic control panel with four programmable wrapping cycles
  • Single phase
  • Full service maintenance plans
  • Parts backup
  • Excellent after sales support and operator training
Technical Info
Production Rate 50 loads per hour
Machine Dimensions 4200mmL x 3300mmW x 2985mmH
Load Weight Unlimited
Maximum Load Size 1400mmL x 1400mmW x 2035mmH
Electrical Requirements Single phase = 230V/1 Ph/ 50 Hz
Air Requirements 3 CFM @ 80 PSI
Controls Allen Bradley MicroLogix 1200 PLC
24V control system
Current overload protection
NEMA 4/12 control cabinet (can be located up to 3m from machine frame)
Auto height sensing photo eye
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
Mode switch (Manual or Automatic)
Pull cord with 12m of cable
Separate station on front of tower with clamp jog and an additional e-stop
Lack of film alarm
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 500mm NO-THREAD® Powered Pre-Stretch Carriage
1 HP 230VAC 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 50mm from floor level
Proximity sensor on carriage gate to ensure gate is properly closed
Film Tail Treatment Automated Cut/Clamp & Wipe system
Pulse controlled cutter
Film alignment arm & Brush on film tail treatment
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
Additional Options
Auto lube Auto lube system
Carriage 760mm NO-THREAD® Powered Pre-Stretch Carriage
Pneumatic roping dual
Pneumatic roping single
Controls Upgrade from standard to deluxe
Extension Wrap arm diameter extension – 2640mm
Wrap arm diameter extension – 2330mm
Wrap height extension – 2640mm
Wrap height extension – 2330mm
Motors Wash down motors
Photoeye Dark load detection
Safety Electric dump valve
Safety fencing & light curtains
Scale Electronic scale
Speed Standard – Variable up to 12 RPM
High Speed – Variable up to 17 RPM

Order Enquiry