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Single Chamber Tunnels for Polythene

Single Chamber Tunnels for Polythene

Key Features

  • Accurate temperature control ensuring absolutely consistent end pack presentation.
  • Steel mesh belt with side chains ensuring the belt can never stretch on heavy products
  • Variable speed control providing complete control of production speeds.
  • Adjustable air flow system helping to achieve the best possible presentation.
  • Double insulated curtains improving consistency and reducing running costs.
  • After pack cooling fan ensuring the packs reach maximum handling strength in the shortest possible time.
  • Solid state relay temperature controllers for improved reliability and accuracy.

Polythene shrink film is typically thicker, more durable and it behaves differently in the shrinking process when compared with polyolefin film; this means it requires more heat to shrink. In addition, most packs shrink wrapped in polythene tend to be substantially heavier than packs shrink wrapped in polyolefin, so we reflect this in the specification of the shrink tunnel used.

For Polythene applications we always recommend a steel mesh belt complete with an under belt blower and an after pack cooler. We use a steel mesh belt with side chains as this is better on heavy packs compared to the cheaper method of using just a friction drive at the end of the shrink tunnel. This is because whilst a friction drive is acceptable for a lot of packs, the belt over time will stretch and with heavier packs in particular this can lead to the need to change the belt.

Side chains prevent the belt ever stretching and provide a much more positive method of driving the belt. The under belt blower simply blows cool air onto the belt whilst it completes its full cycle. This prevents a critical temperature being reached on the belt, so that there is no possibility of polythene sticking to the belt if it gets too hot.

Their variable speed control provides complete control of production speeds and the adjustable air-flow system helps to achieve the best possible presentation. The double insulated curtains improving consistency and reducing running costs.

Finally the after pack blower cools the pack down immediately after it leaves the heat tunnel. This completes the shrinking process on polythene and ensures that the packs reach maximum handling strength in the shortest possible time. Polythene shrink film reaches full strength once it has cooled.

We have worked with ULMA Packaging, a highly trusted, reliable shrink wrapping machine supplier for over 40 years and are also able to custom modify these machines alongside YPS built machines in order to create automated packaging systems specific for each customer needs or factory format.

Transit Machines

Semi Automatic Sleeve Sealer Side feed automatic sleeve sealer Inline Automatic Sleeve Sealer Wide Inline Shrink Wrappers Side Sealers
Speed5-10ppm
Low
10-25ppm
Medium
10-25ppm
Medium
2-6ppm
Low
25ppm+ dependent on product size
FlexibilityVery flexible
Can handle random products
Flexible
but better if production is batched
Very flexible
Can handle random products
Very flexible
Can handle random products
Batched production, no change parts needed
Operator Skill LevelLow easy to operateReasonable
some setup is required
Low
easy to operate
Low
Easy to operate
High level. Set up is required.
InfeedNone - fed by handOptional but recommended
or fed from existing line
Optional but recommended
or fed from existing line
Usually required for loadingUsually required for loading.
Dimensions3000mm x 1600mm3566mm x 1187mm4000mm x 1000mmCustomcustom
Power32amps
three phase earth & neutral
32 amps
three phase earth & neutral
32 amps
three phase earth & neutral
CustomLow power.
Air6 bar6 bar6 barCustomNo air
Sizes500mm x 400mm500mm x 500mm
800mm x 600mm
600mm
800mm
1000mm
1000mm
1300mm
1600mm
2000mm
Up to 800mm wide, unlimited length

Enquire Today

01924 441355
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