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WRTA – 100 Rotary Arm Stretch Wrapper

Production Rate

50 loads per hour

Machine Dimensions

135.50″ L x
130″ W x
120″ H

Maximum Load Size

56″ L x
56″ W x
80″ H

Load Weight

Unlimited

Approximate Shipping Weight

2300 lbs

Electrical Requirements

120 V /
1 ph /
60Hz
15A

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 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
Mode switch (Manual or Automatic)
Pull cord with 40′ of cable (to be installed by customer)
Separate station on front of tower with clamp jog and an additional e-stop
Lack of film alarm

Structure

Heavy duty structural steel construction
Column mounting design
Floor and top frame mounting
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

Film Tail Treatment

Automated Cut/Clamp & Wipe system
Pulse controlled cutter
Film alignment arm & Brush on film tail treatment

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.

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