Wulftec WRING-250

Video

Automatic Ring Stretch Wrapping Equipment

The WRING-250 model is a fully conveyorized automatic ring machine as the ideal stretch wrapping solution for your unique needs. Expect to improve productivity, operator efficiency while reducing film and labor costs.

  • 5000-6000 lbs load weight capacity
  • The control panel is UL508A approved
  • 100% structural steel construction
  • 25″ ring gear with pinion gear drive
  • Superior Electrical/Electronic Design including Allen Bradley MicroLogix PLC and AC drives
  • Wulftec’s exclusive 30″ NO-THREAD® Powered Pre-Stretch Carriage
  • Lifetime warranty on prestretch rollers blue compound
  • Readily available non-proprietary parts
  • Motors speed control are made through AC frequency drives
Production Rate
    • 75 loads per hour
Load Weight
    • 5000-6000 lbs
Minimum Load Size
    • 30″ L
    • 30″ W
    • 30″ H
Maximum Load Size
    • 48″ L
    • 40″ W
    • 80″ H
Machine Dimensions
    • 114″ L
    • 108″ W
    • 154″ H
Approximate Shipping Weight
    • 11500 lbs
Electrical Requirements
    • 230 V / 3 ph /60Hz 20A
Pneumatic Requirements
    • 3 cfm @80 psi
Controls
    • Allen Bradley SLC 5/03 PLC (Field I/O on ASI open protocol)
    • Allen Bradley variable frequency drives 230 VAC
    • 24V control system
    • Current overload protection
    • NEMA 4/12 control cabinet with quick disconnect
    • Auto-height sensing photoeye with on/off mode
    • Power on/off lockable switch and indicator light
    • 1 E-STOP mushroom type push button on the operator console
    • Allen Bradley monochrome Touch Panel
    • Variable rotary ring speed 25 RPM
    • Separate up and down carriage speed
    • Separate top and bottom wrap selectors (0-9)
    • Banding selector (0-9)
    • Home position controlled by proximity sensor
    • Film force to load control
    • Lifting frame over travel limit switches
    • Alarm beacon light
    • Manual function for rotation fwd/rev, ring up/down
    • All conveyor fwd/rev
    • Re-wrap function
    • Intuitive alarm diagnostic on touch screen
    • Reset function
    • Air pressure switch
    • Non proprietary parts
    • 120 VAC outlet in control panel for service work
Film Delivery System
    • 20″ NO-THREAD® Powered Pre-Stretch Carriage
    • Tilting film mandrel for ease of film loading
    • AC motor with Allen Bradley variable frequency drive
    • 50-300% pre-stretch ratio (preset to customer spec, Std 200%)
    • Electronic film tension control with analog sensor
    • Film force release for easy pull at start and end of cycle
    • Sensing device for film out/broken with visual alarm
    • Wireless technology for interference free operation
Film Tail Treatment
    • Automatic pneumatic film clamping
    • Pulse-controlled cutter
    • Film alignment arm & brush on film tail treatment
Ring Rotation Drive
    • 2 HP AC motor with Allen Bradley variable frequency drive
    • Electromechanical brake
    • 25 RPM variable speed
    • Belt driven

Ring Frame

    • 72″ interior / 106″ outside diameter including carriage
    • Steel frame construction
    • Supported by polyurethne bearings for smooth and quiet operation
    • Upper and lower ring limit position
Frame Construction
    • Welded structural steel construction
    • Free standing integrated leg design
    • Heavy duty safety fencing with an interlocked access door enclosing the wrapping zone
    • Easy access to all components

Conveyor

    • 1 x 11.5′ process powered roller conveyor section
Technical Information
    • The machine is provided with a manual including electro/mechanical schematics and drawings, troubleshooting guide & installation instructions
Warranty
    • 3-year unlimited cycle warranty
    • lifetime warranty on prestretch rollers
    • 10-years on the steel structure
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 us for prices

Two-Sided Cling

    • Item #370267, 20″ x 5000′ 75ga Castle cast machine stretch film, 40 rolls/skid
    • Item #370264, 20″ x 5000′ 80ga Castle cast machine stretch film, 40 rolls/skid
    • Item #370265, 20″ x 5000′ 80ga Castle cast machine stretch film boxed, 40 rolls/skid
    • Item #370335, 20″ x 4000′ 115ga Castle cast machine stretch film, 40 rolls/skid
    • Item #370329, 20″ x 4000′ 120ga Castle cast machine stretch film, 40 rolls/skid
    • Item #370330, 30″ x 4000′ 120ga Castle cast machine stretch film, 20 rolls/skid

Differential Cling

    • Item #370268, 20″ x 6000′ 70ga Castle cast machine stretch film, 40 rolls/skid

One-Sided Cling

    • Item #370274, 20″ x 8000′ 55ga SSC Castle cast machine stretch film, 40 rolls/skid
    • Item #370266, 20″ x 5000′ 63ga SSC Castle cast machine stretch film, 50 rolls/skid
    • Item #370303, 20″ x 6000′ 70ga SSC Castle cast machine stretch film, 40 rolls/skid
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