Printing in China | Book Printing

WRAPPING SYSTEM

Stretch Pallet Wrapper

The stretch (pallet) wrapper is a machine designed for the automatic (manual) packing of palletized loads. The purpose of these machines is to protect and stabilize the goods on the pallets that will be shipped or stored. The protection and the stabilization of the palletized loads is provided by the stretch film, which secures the goods on the pallets.
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E-mail:sales@dostar-packing.com

Detail

  • High design quality: Proven Cut & Wipe film treatment system; Standard low wrapping film clamp; Small footprint suits space constraints; Forward conveying system
  • Remote control operation(Semi-auto): The remote control operation allows the operator to adjust the wrapping machine’s control settings while on the forklift.
  • Power pre-stretch up to 400%: our Pallet Wrappers and Stretch Wrap have been engineered together to maximise the usage of the film by increasing its efficiency. It is possible to stretch a 2000 m roll of film to 10,000 m without the risk of breaking.
  • Easy to use: Siemens PLC with touchscreen operator interface safe: AC variable frequency drives and motors are safe and require little maintenance


Specifications:


Control system

PLC control system

Photo eye pallet height sensor

3-12 RPM variable turntable speed by frequency changer

Turntable

Go home position after wrap cycle finished

Soft start/soft stop

Heavy duty chain drive

Film carriage

Powered pre-stretch system to 300% to min film consumption

Film delivery barlable speed by spparate AC Drive Motor

Heavy duty double-chain carriage lift, calm and safety

Technology Data

Max load size(mm): 1200(L)X1200(W)X2400(H)

Turntable dia: 1650mm

Turntable Height: 77mm

Turntable weight capacity: 2000kgs

Turntable speed: 3-12rpm

Electrics: 220V 50HZ 1 phase

Power: 1.5KW


Packing efficiency: 20-40 load/h base on load

Option

Ramp

Top plate


Load dimensions (L*W):

Up to 1600x1400 mm

Maximum Turntable Speed :

3~15 rpm

Maximum Loading height*:

2500 mm

Maximum pallet weight:

2500 kg

Film roll Width:

500 mm

Film roll out dia. :

300mm

Machine capacity:

20~50 pallets/hour

Turntable Motor

0.75 kW

Pre-Stretch Motor

0.2 kW

Carriage Lifter Motor

0.37 kW

Conveyor Motor

0.75 kW

Air Pressure

0.4 - 0.7 MPa

Film Type`

Stretch film (17-35 microns thickness, 450-500 mm width, 76mm core)

Max Film Weight

20KGS

* Load height includes pallet



Application:


FAQ:

1. The differences of a semi-automatic wrapper and full automatic wrapper are ?
The main difference is the automation degree. While a semi-automatic (manually) pallet wrapper needs human intervention to start the cycle, the automatic pallet stretch wrapper is part of a fully automatic packing line. Meanwhile the semi-automatic platform stretch wrapper can be installed anywhere in the factory, its automatic variant needs a conveyor line that allows pallets to flow in and out..


2.How to choose a suitable pallet wrapper?
Usually, for low production (less than 20 pallets/hour), we recommend semi-automatic pallet wrappers, as they offer versatility yet higher wrapping quality than a robot wrapper. For a range of 30 – 40 pallets/hour, we recommend an automatic wrapper which can be either a rotary arm or a low-production ring wrapper. For higher outputs of 40 pallets/hour or specific wrapping requirements, the reliable choice will be a high-performance ring wrapper.

3. What kind of film and consumables does a pallet wrapper use?
Usually, the pallet wrapper uses stretch film, but they can also employ pre-stretched film or other new consumables on the market, such as kraft paper with stretching capabilities.

  • The standard stretch film is composed of low-density line polyethylene (LLDPE) which is what gives it its high stretch capacity. Depending on the characteristics of the plastic and the stretch wrapper (and its pre-stretching system) this type of film can stretch between 25 and 300%. If both the film and the stretch wrapper allow a higher stretching (more than 150%), allowing also a higher saving.
  • The pre-stretched film is a film that has already been stretched to its shrinkage limit (which is usually 100%) and is normally used in manual or semi-automatic applications without pre-stretching and low tension. It is a non-stretch film recommended for loads that need slight protection or restraint.
  • Lastly, stretch kraft paper fulfills a similar function to pre-stretched film, with the great difference that it has a lower stretching capacity and does not allow the application of a rope system. Even so, it has recently appeared on the market as a more sustainable alternative to film, since it is 100% recyclable.
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