WRTA-100 Technical Specifications

Production Rate:

• Up to 50 loads per hour *

Load Size:

• 56”W x 56”L x 80”H
  (80” diagonal)

Load Weight:

• Unlimited

Machine Dimensions:

• 130”W x 135½”L x 119 7⁄8”H **

Approximate Shipping Weight:

• 2,300 lbs

Electrical Requirements:

• 120V/1/60 15A

Pneumatic Requirements:

• 3 CFM @ 80 PSI with FR

Controls:

• Allen Bradley Micrologix 1200 PLC
• 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
• Large E-stop (push pull type)
• Variable rotary arm speed (12 RPM)
• Separate up and down carriage speeds
• Separate top and bottom wrap selections (0-9)
• Pull cord switch with 40' of cable (to be installed by customer)
• Positive arm alignment controlled by proximity sensor
• Film force to load control
• Double brush dust tight slip ring
• Emergency stop sensor for arm path obstruction
• Dynamic braking system for rotary arm with AC drive
• Manual clamp jog
• Manual function for rotation fwd⁄rev. and carriage up⁄down
• Top cover pause switch (splash proof program)
• Reinforce wrap⁄manual rotation control

Film Delivery System:

• 20” NO-THREAD^® Powered Pre-Stretch Carriage
• 1 HP AC motor with Allen Bradley variable frequency drive
• 50-300% prestretch ratio (preset to customer spec, Std 200%)
• Electronic film tension control with analog sensor
• Lexan roller cover for operator safety
• Film force release for easy pull at start and end of cycle
• Angled carriage to wrap approximately 4” from floor level

Film Carriage Drive:

• 1 HP AC motor with Allen Bradley variable frequency drive
• Two #50 chain carriage lifts for safety
• Dual ½” 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
• Pulsed controlled cutter
• Film alignment arm
• Brush-on film tail treatment

Rotary Arm Drive:

• 25” Heavy duty Ring GEAR Bearing, with Pinion GEAR Drive
• Max. 12 RPM variable speed
• 1 HP AC motor with variable frequency drive
• Electronic soft start⁄stop
• Positive arm alignment controlled by proximity sensor
• Protection guard over the ring gear bearing
• Dynamic braking system with AC drive

Structure:

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

Technical Information:

• The machine is provided with a manual including electro⁄mechanical schematics and drawings
• Trouble shooting guide
• Installation instructions

Warranty:

• 4-year unlimited cycle warranty
• 10-year warranty on 25” ring gear bearings
• 10-year warranty on structural frame
• Lifetime warranty on prestretch rollers' blue compound