An automatic shrink wrapping system is a packaging system that feeds products into the machine automatically. 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 neat, secure package 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 maintain steady packaging quality during long production runs.

How Does Automatic Shrink Wrap Machinery Work?

The exact machinery may vary, but the basic shrink wrapping process is usually similar.

1. Products Enter the Machine

A conveyor automatically carries products into the wrapping equipment.

2. Film Wrapping

Each product is surrounded by shrink film before it reaches the sealing section.

3. Automatic Sealing

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. The Completed Pack

The packaged item leaves the line ready for handling, delivery or presentation in a retail setting.

Advantages of Automatic Shrink Wrap Machinery

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

Higher Packaging Speeds

Automated systems usually process substantially more packs than manual machinery. This makes them suitable for production environments that require steady or high output.

Repeatable Results

The machinery applies consistent settings to each product. This creates a neat and uniform appearance.

Lower Operator Involvement

Staff are not required to carry out every stage manually. Employees can then focus on other production duties.

Better Product Protection

A close film covering helps shield products from dirt, damp conditions and tampering during warehousing and delivery.

Reduced Material Use

Many modern machines include settings that reduce unnecessary film use. This can reduce waste while retaining reliable seals.

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
• Household goods
• Printed materials
• Pharmaceutical packaging
• Consumer goods
• Manufactured components
• Retail multipacks

The equipment can be configured to wrap single products, promotional bundles and grouped goods.

When Should You Invest in an Automatic Shrink Wrap Machine?

Many businesses start with manual or semi-automatic equipment and move to automatic machinery as production grows.

You may need an automatic machine if:

• Manual wrapping takes up too much staff time
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• Production volumes are continuing to rise
• Pack consistency varies depending on the operator
• You need greater output without adding more labour
• The production line requires continuous packaging

For businesses with rising volumes, automation can provide steadier output with less operator input.

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

Different businesses need different machinery, so the correct system will depend on your products and production process.

Important features to assess include:

• Maximum operating speed
• Supported product sizes
• Seal quality and reliability
• Suitable film types
• Controllable tunnel temperatures
• Compatibility with existing conveyors
• Straightforward machine controls
• Servicing and maintenance needs

Custom configurations are available for unusual products or specialist production requirements.

What Is the Difference Between Automatic and Semi-Automatic Shrink Wrap Machines?

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 more appropriate for high daily packaging volumes.

This can provide faster production, repeatable pack quality and reduced manual work.

What Is the Operating Speed of an Automatic Shrink Wrap Machine?

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

Many automated shrink wrapping machines can produce between 25 and 40 packs per minute. For suitable products, high-speed side-sealing machines can process more than 100 packs per minute.

Automatic Shrink Wrap Machinery from Kempner

Kempner UK has supplied packaging machinery and shrink wrap materials for more than 50 years. The company works with businesses across a broad range of sectors.

Its machinery range includes compact automatic sealers, standard L-sealers, side sealers and custom-built systems.

Kempner also provides commissioning, servicing and technical support. These services are intended to keep packaging equipment working reliably over the long term.

Frequently Asked Questions

Can automatic machines handle different product sizes?

Yes. Automatic equipment can often be configured to handle several product formats. However, the time required to switch products varies by machine.

Can a small business use an automatic shrink wrap machine?

Yes, particularly when a smaller company is increasing its output. Investment often becomes worthwhile when manual processes begin limiting daily output.

Can automation lower shrink wrapping costs?

They can reduce labour needs, improve efficiency and limit film waste when correctly specified. The machine must be properly selected for the products and production targets.

Can automatic shrink wrap machines use sustainable films?

Some automatic machines are compatible with recyclable, recycled-content and selected compostable shrink films. Suitability depends on the product, machine configuration and packaging requirements.