What Does an Automatic Shrink Wrap Machine Do?

An automatic shrink wrap machine is a packaging system that automatically receives products from a conveyor or production line. It then positions shrink film around each product, seals the film and sends the pack through a heat tunnel.

The heat tunnel causes the film to shrink closely around the item. This produces a secure and tidy finish while limiting the amount of manual work required.

Automatic machines differ from manual systems because they are built for ongoing production. Once the correct settings have been entered, the equipment can package products consistently throughout the working day.

How Do Automatic Shrink Wrapping Machines Work?

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

1. Automatic Product Feeding

Products are transferred into the machine using a conveyor system or connected production line.

2. Film Wrapping

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

3. The Film Is Sealed

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

4. Heat Tunnel

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

5. The Completed Pack

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

Advantages of Automatic Shrink Wrap Machinery

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

Increased Output

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.

Repeatable Results

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

Reduced Labour Requirements

Operators spend less time wrapping products by hand. 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.

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
Books, magazines and other printed goods
Pharmaceutical products
General consumer products
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
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?

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

Useful machine specifications include:

Maximum operating speed
Supported product sizes
A reliable sealing system
Compatible shrink films
Adjustable temperature controls
Conveyor integration
Simple operator controls
Servicing and maintenance needs

Some systems can also be customised for unusual product dimensions or specialist packaging tasks.

Automatic Versus Semi-Automatic Shrink Wrapping Machinery

With a semi-automatic machine, an operator usually has to place the product or begin one or more stages.

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.

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

How Many Packs Per Minute Can an Automatic Machine Produce?

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 approximately 25 to 40 packs each 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 UK 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.

Support services include installation commissioning, maintenance and technical assistance. These services are intended to keep packaging equipment working reliably over the long term.

Questions About Automatic Shrink Wrap Machines

Can automatic machines handle different product sizes?

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?

Automatic equipment may suit a small business when packaging demand begins to rise. 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.