An automated shrink wrapping machine is a packaging system that automatically receives products from a conveyor or production line. It then covers the product with shrink film, seals the film and sends the pack through a heat tunnel.

As the pack travels through the tunnel, heat makes the film contract around it. This produces a consistent and professional-looking pack while reducing manual handling.

Unlike manual packaging systems, automatic machines are designed for continuous production. Once the correct settings have been entered, the equipment can wrap products repeatedly using the same settings.

How Do Automatic Shrink Wrapping Machines Work?

Although machine designs vary, most automatic shrink wrapping systems follow the same main stages.

1. Products Enter the Machine

A conveyor automatically carries products into the wrapping equipment.

2. The Product Is Wrapped

The machine places shrink film around the item ready for sealing.

3. Sealing the Pack

A sealing system joins the film securely around the item.

4. Heat Tunnel

Heat is applied as the pack moves through the tunnel, tightening the film around the product.

5. Finished Package

Once wrapped, the completed product exits the machine and can be stored, distributed or displayed.

Advantages of Automatic Shrink Wrap Machinery

Automatic shrink wrapping offers a number of practical benefits for production businesses.

Increased Output

Automatic machines can package far more products than manual equipment. This makes them suitable for businesses with moderate or large production volumes.

Uniform Pack Quality

The machinery applies consistent settings to each product. This creates a reliable and repeatable pack appearance.

Lower Operator Involvement

The machinery reduces the amount of hands-on packaging work. Employees can then be assigned to other parts of the production process.

Protection for Stored and Transported Goods

Shrink film can help protect products from dust, moisture and tampering during storage and distribution.

More Controlled Film Consumption

Automatic systems can regulate film use more closely than manual wrapping. This can keep material use controlled while maintaining pack integrity.

Where Are Automatic Shrink Wrap Machines Used?

Businesses in a wide range of industries rely on automatic machinery for repeatable, high-speed packaging.

Common applications include:

• Food production
• Drinks and beverages
• Domestic products
• Printed materials
• Pharmaceutical products
• General consumer products
• Industrial components
• Grouped retail packs

Machine settings and layout can be adapted for individual items, multipacks or larger product groups.

When Is It Time to Move to Automatic Shrink Wrapping?

Companies often begin with manual or semi-automatic systems before upgrading when output rises.

Signs that it may be time to upgrade include:

• Manual wrapping takes up too much staff time
• Your required output is increasing
• Packaging quality differs between operators
• The business needs to increase production without employing additional packaging staff
• Products need to be wrapped continuously

Automatic machinery often becomes more efficient as packaging demand increases.

What Features Should You Look for in an Automatic Shrink Wrap Machine?

Machine selection should be based on product size, output targets and packaging requirements.

Important features to assess include:

• Production speed
• Supported product sizes
• Seal quality and reliability
• Compatible shrink films
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• Adjustable temperature controls
• Conveyor integration
• Straightforward machine controls
• Servicing and maintenance needs

Machinery may be adapted for non-standard pack sizes and specific applications.

Automatic Versus Semi-Automatic Shrink Wrapping Machinery

Semi-automatic equipment still requires an operator to position products or start part of the wrapping cycle.

By comparison, automatic machinery completes most parts of the wrapping process by itself. They are therefore often chosen for production lines processing large quantities of products.

The main results are higher throughput, greater consistency and less operator involvement.

How Fast Can Automatic Shrink Wrap Machines Operate?

The number of packs produced per minute depends on product dimensions, equipment settings and the type of wrap required.

Many automatic shrink wrapping systems can produce between 25 and 40 packs per minute. High-speed automatic side sealers may exceed 100 packs per minute in suitable applications.

Kempner Automatic Shrink Wrapping Systems

Kempner has supplied packaging machinery and shrink wrap materials for more than 50 years. The company works with businesses across numerous production environments.

The range covers compact automatic machines, L-sealers, side sealers and systems built for specific production needs.

The company offers commissioning, equipment servicing and ongoing technical help. These services are intended to keep packaging equipment working reliably over the long term.

Questions About Automatic Shrink Wrap Machines

Can automatic shrink wrap machines package different products?

In many cases, yes. Many systems allow operators to change settings for different pack dimensions and product types. However, changeover times depend on the machinery.

Are automatic machines only for large manufacturers?

Yes, particularly when a smaller company is increasing its output. Investment often becomes worthwhile when manual packaging starts to restrict production.

Can automation lower shrink wrapping costs?

They can reduce labour needs, improve efficiency and limit film waste when correctly specified. The machine must be specified according to the required packaging process.

Are automatic machines compatible with recyclable shrink film?

Depending on the application, modern systems may accept recyclable film, recycled-content film or some compostable materials. Suitability depends on the type of film, pack format and machinery specification.