An automated shrink wrapping 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 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. 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. Sealing the Pack

The machine forms a precise seal around the product.

4. 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

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

Increased Output

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 consistent finish across the production run.

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

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

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
• Household goods
• 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.

Should Your Business Upgrade to an Automatic Machine?

A manual or semi-automatic machine may be suitable at first, but higher production levels can make automatic equipment more practical.

Signs that it may be time to upgrade include:

• Employees spend a large amount of time wrapping products manually
• Your required output is increasing
• Packaging quality differs between operators
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• The business needs to increase production without employing additional packaging staff
• The production line requires continuous packaging

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

Key Features to Check Before Buying

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

Points to check include:

• Maximum operating speed
• Supported product sizes
• A reliable sealing system
• Compatible shrink films
• Adjustable temperature controls
• Compatibility with existing conveyors
• Straightforward machine controls
• Low maintenance requirements

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

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

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.

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

Kempner Automatic Shrink Wrapping Systems

Kempner UK has supplied shrink wrapping equipment and packaging materials for over five decades. The company works with businesses across a broad range of sectors.

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.

Frequently Asked Questions

Can automatic machines handle different product sizes?

Yes. Most machines can be adjusted for different product sizes and formats. However, changeover times depend on the machinery.

Is automatic shrink wrap machinery suitable for small businesses?

Automatic equipment may suit a small business when packaging demand begins to rise. Investment often becomes worthwhile when hand wrapping can no longer keep pace with orders.

Will an automatic machine save money?

A suitable machine may lower labour requirements, increase output and control material use. The machine must be matched correctly to the application.

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.