Wulftec WRING-250

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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