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Heavy Duty Tunnels | Shrink Tunnel HDT6022

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Product Overview

This large capacity, dual chamber, heavy duty shrink tunnel is digitally controlled with (2) one horsepower motors. Inside shrink tunnel dimensions measure 22" wide by 60" long and an 9" high tunnel opening.

Features
  • Tunnel Chamber
  • Digital Tunnel Temperature Control
  • U.L. Listed Control Panel
  • Open Coil Heating Element Guaranteed for 10 Years
  • High Volume, Dual Chamber Design with Variable Air Velocity Control Heavy_duty_mini_icon
  • (2) One Horsepower Motors with Special High Efficiency Blower Wheel Heavy_duty_mini_icon
  • One Quarter Horsepower Motor with Adjustable Conveyor Speeds of Up to 100 Feet per Minute Heavy_duty_mini_icon
  • Built In High Limit Safety Control for Blower Motor
  • Pyrogel XT Insulation Heavy_duty_mini_icon
  • Conveyor Features
  • Quick Change 5/8” Diameter Live/Dead Rollers with 1 1/2” Spacing
  • Blower Cooled Rollers Heavy_duty_mini_icon
  • Stainless Steel Model Available
  • Heavy Duty Hollow Pin Chain Heavy_duty_mini_icon
  • Automatic Cool Down Extends Heating Element Life
  • Twin Bearing Idler Sprockets Heavy_duty_mini_icon
  • Other Features
  • Heavy Duty, Heavy Gauge Construction Throughout Heavy_duty_mini_icon
  • Control Panel Dual Exhaust Fan Heavy_duty_mini_icon
  • Unique Pre-Shrink Feature Allows for 25% More Bottom Shrink HD Heavy_duty_mini_icon
  • Heavy Gauge Adjustable Height Console With Levelers And 3” Casters HD Heavy_duty_mini_icon

Machine Specs & Options

Inside Chamber Dimensions: 60” L, 22” W, 8” H (152 L, 56 W, 21 H cm)
Conveyor Speed: 1-100 Feet Per Minute (LDR); 0-50 Feet Per Minute (TMB,SWB)
Overall Dimensions: 85” L, 35” W, 65” H (216 L, 89 W, 168 H cm)
Working Height: 32” (81 cm)
Power Requirements: 230 Volts, 60 Amp, Three Phase Circuit with Ground
Wattage: 18,000
Weight: 1,520 lbs. (690 kg)

Options
  • Teflon Mesh Belt Conveyor (HD Tunnels)
  • Teflon Mesh Belt Overlay (for Live/Dead Roller)
  • Roller Spacing: 1”
  • Stainless Steel Wire Mesh Belt Conveyor
  • Gravity Discharge Conveyor
  • 12” High Tunnel Opening
  • Left Handed (Reverse) Flow
  • Product Guide Rails
  • Stainless Steel Construction (HDT6022S)
  • Pack Cooler Fan (For Polyethylene)
  • Hydraulic Easy Lift Adjustable Height Console

General Questions

Setting the Shrink Tunnel Air Velocity Controls

  • The tunnel is equipped with mechanical dampers for air velocity control. The handles on the infeed end labeled “LOW, MEDIUM AND HIGH” to control the air flow into the tunnel chamber.
  • It is recommended to start out on “HIGH” and make any adjustments necessary for the particular package you are shrinking.

Troubleshooting

Film won't separate; Static or film collapses package

  • Call your film supplier.

Off-centered seal

  • Adjust the package platform.
  • Loosen the knobs on the tension blocks.

Severe Ballooning

  • Increase the tunnel temperature
  • Check condition/position of air evacuation holes

Erratic Shrink

  • Make sure the tunnel is functioning properly
  • Slow down tunnel conveyor
  • Adjust the tunnel air flow
  • Increase tunnel chamber temperature

Burn holes (Hot spots)

  • Check the condition of the air evacuation holes
  • Speed up the tunnel conveyor
  • Decrease the tunnel chamber temperature

Dog ears

  • Use less film around the package
  • Slow down the tunnel conveyor
  • Check the condition of the air evacuation holes
  • Increase the tunnel temperature

Angel hair

  • Check and clean wire, wire insulation or knife blades
  • Check condition of sealing pads and teflon tape, change if necessary
  • Check for even arm and magnet pressure, make sure the magnets release at the same time
  • Check the minimum sealing temperatures
  • Check the seal cycles is complete
  • Check the condition of the air evacuation holes
  • Increase the sealing temperatures

Fish eyes

  • Make sure tunnel is functioning properly
  • Slow down tunnel conveyor
  • Use less film around the package
  • Increase the tunnel temperature

Crows feet

  • Slow down tunnel conveyor
  • Increase the tunnel chamber temperature

Film buildup on sealing wire

  • Check and clean wire, wire insulation or knife blades
  • Check the condition of the sealing pads
  • Check the teflon tape, change if necessary
  • Check for even arm and magnet pressure
  • Check the minimum sealing temperatures, or increase the sealing temperatures

Film smokes excessively

  • Check and clean wire and wire insulation
  • Check and clean knife blade
  • Check condition of sealing pads
  • Check condition of Teflon tape
  • Check for even arm and magnet pressure
  • Check the minimum sealing temperatures
  • Increase the sealing temperatures
  • Decrease the dwell time

Film splits at top of package

  • Check hole punch for proper alignment.
  • Check the condition of the punched holes.
  • Make sure the tunnel is functioning properly.
  • Speed up the tunnel conveyor.
  • Decrease the tunnel temperature.
  • Adjust the air flow.

Film splits at hole punch

  • Check hole punch for proper alignment.
  • Check the condition of the punched holes.

Film splits along centerfold

  • Check for damage to film roll.

Maintenance

Shrink Tunnel Maintenance

  • LUBRICATION OF TUNNEL BELT
  • The chain and sprockets on all Heat Seal shrink tunnels must be maintained to provide for long life and smooth operation. The tunnel chain must be lubricated after every 40 hours of operation with Heat Seal Chain Gel lubricant. (Part No. 5406-066)