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.

As the pack travels through the tunnel, heat makes the film contract around it. This produces a neat, secure package while reducing manual handling.

Where manual equipment depends heavily on an operator, automatic machinery is made for continuous output. Once the correct settings have been entered, the equipment can maintain steady packaging quality during long production runs.

What Is the Automatic Shrink Wrapping Process?

Most automatic shrink wrap machines use a similar packaging process, even when their designs differ.

1. Products Enter the Machine

Products enter the machine by conveyor or through an integrated production line.

2. Shrink Film Positioning

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

3. Sealing the Pack

The machine forms a precise seal around the product.

4. The Pack Enters the Heat Tunnel

The wrapped item travels through a heat tunnel where the film shrinks.

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

Businesses use automatic shrink wrap machines for several practical reasons.

Faster Production

Automatic machines can package far more products than manual equipment. This makes them suitable for medium- and high-volume production lines.

Repeatable Results

Each item passes through the same controlled wrapping process. This creates a reliable and repeatable pack appearance.

Less Manual Handling

Operators spend less time wrapping products by hand. Employees can then focus on other production duties.

Protection for Stored and Transported Goods

A close film covering helps shield products from dirt, damp conditions and tampering during handling, storage and transport.

More Controlled Film Consumption

Automatic systems can regulate film use more closely than manual wrapping. This can limit wasted material without weakening the seal.

Which Industries Use Automatic Shrink Wrap Machinery?

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

Typical sectors include:

• Food production
• Drinks and beverages
• Domestic products
• Printed materials
• Pharmaceutical products
• General consumer products
• Industrial components
• Retail multipacks

Depending on the machine configuration, shrink wrapping can be used for individual products, promotional packs or larger grouped items.

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
• Production volumes are continuing to rise
• 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
• Compatibility with existing conveyors
• Simple operator controls
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• Low maintenance requirements

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

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 often chosen for production lines processing large quantities of products.

Businesses gain more predictable output while relying less on hands-on packaging.

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. Some high-speed automatic side sealers can produce over 100 packs each minute when the application permits.

Automatic Shrink Wrap Machinery from Kempner

Kempner has supplied shrink wrapping equipment and packaging materials for over five decades. The company works with businesses across many different industries.

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

Support services include installation commissioning, maintenance and technical assistance. These services are intended to support reliable long-term operation.

Questions About Automatic Shrink Wrap Machines

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.

Can a small business use an automatic shrink wrap machine?

It can be suitable for a small business with growing production volumes. Investment often becomes worthwhile when manual packaging starts to restrict production.

Can automation lower shrink wrapping costs?

Cost savings may come from reduced manual work, steadier production and less wasted film. The machine must be matched correctly to the application.

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 type of film, pack format and machinery specification.