Packaging Systems / WRT-150 Semiautomatic Rotary Arm Stretch Wrapper
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WRT-150 Semiautomatic Rotary Arm Stretch Wrapper

WRT-150 Semiautomatic Rotary Arm Stretch Wrapper

The WRT-150 model, an semi-automatic rotary tower as the ideal stretch wrapping solution for your unique needs.

 

Features

  • 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

Specifications 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 functionv
  • 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