An automatic shrink wrapping system is a packaging system that feeds products into the machine automatically. It then wraps each item in shrink film, seals the film and sends the pack through a heat tunnel.

Inside the heat tunnel, the film contracts tightly around the product. 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 Does Automatic Shrink Wrap Machinery Work?

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

1. Product Feeding

A conveyor automatically carries products into the wrapping equipment.

2. The Product Is Wrapped

Shrink film is positioned around each product before sealing begins.

3. The Film Is Sealed

The film is sealed around the product to prepare it for the shrinking stage.

4. Shrinking the Film

The sealed product passes through a heated tunnel, causing the film to contract.

5. Finished Package

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

Why Use an Automatic Shrink Wrapping Machine?

There are several reasons why manufacturers choose automatic shrink wrapping equipment.

Higher Packaging Speeds

An automatic line can wrap products at a much faster rate than a manual system. This makes them suitable for production environments that require steady or high output.

Uniform Pack Quality

The machinery applies consistent settings to each product. This creates a consistent finish across the production run.

Reduced Labour Requirements

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

Added Protection During Distribution

The wrapped film provides a barrier against dust, moisture and interference during storage and distribution.

More Controlled Film Consumption

Current machinery often includes controls designed to limit excess film consumption. This can reduce waste while retaining reliable seals.

Common Uses for Automatic Shrink Wrapping Equipment

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

Common applications include:

• Food production
• Beverage production
• Household goods
• Books, magazines and other printed goods
• Pharmaceutical products
• Consumer goods
• Manufactured components
• Retail multipacks

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?

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
• 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

As production grows, an automatic system can provide greater efficiency and more predictable output.

How Do You Choose an Automatic Shrink Wrapping Machine?

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

Useful machine specifications include:

• Maximum operating speed
• Supported product sizes
• Seal quality and reliability
• Suitable film types
• Controllable tunnel temperatures
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• Compatibility with existing conveyors
• Simple operator controls
• Low maintenance requirements

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

How Do Automatic and Semi-Automatic Machines Differ?

Semi-automatic systems depend on staff to carry out certain parts of the packaging process.

An automatic shrink wrap machine performs nearly every stage without direct operator input. They are therefore better suited to businesses producing hundreds or thousands of packs each day.

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

How Many Packs Per Minute Can an Automatic Machine Produce?

Operating speeds differ based on the product, machinery configuration and complexity of the packaging process.

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 shrink wrapping equipment and packaging materials for over five decades. 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.

The company offers commissioning, equipment servicing and ongoing technical help. These services are intended to support reliable long-term operation.

Automatic Shrink Wrapping FAQs

Can automatic shrink wrap machines package different products?

Yes. Automatic equipment can often be configured to handle several product formats. However, changeover times depend on the machinery.

Are automatic machines only for large manufacturers?

It can be suitable for a small business with growing production volumes. Investment often becomes worthwhile when hand wrapping can no longer keep pace with orders.

Can automation lower shrink wrapping costs?

They can reduce labour needs, improve efficiency and limit film waste when correctly specified. The machine must be matched correctly to the application.

Are automatic machines compatible with recyclable shrink film?

Some automatic machines are compatible with recyclable, recycled-content and selected compostable shrink films. Suitability depends on the type of film, pack format and machinery specification.