An automatic shrink wrap machine is a packaging system that moves products through the packaging process automatically. 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 cutting the need for hands-on wrapping.

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.

How Does Automatic Shrink Wrap Machinery Work?

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

1. 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. Pack Exit

The finished pack leaves the machine ready for storage, transport or retail display.

What Are the Benefits of Automatic Shrink Wrap Machines?

Businesses use automatic shrink wrap machines for several practical reasons.

Faster Production

Automated systems usually process substantially more packs than manual machinery. This makes them suitable for businesses with moderate or large production volumes.

Consistent Packaging

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

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?

Automatic shrink wrap machinery is used across many industries because it combines speed with consistent pack quality.

Typical sectors include:

• Food production
• Drinks and beverages
• Domestic products
• Printed materials
• Pharmaceutical products
• General consumer products
• Industrial components
• Grouped retail packs

Machine settings and layout can be adapted for individual items, multipacks or larger product groups.

When Should You Invest in an Automatic Shrink Wrap Machine?

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

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

Automatic machinery often becomes more efficient as packaging demand increases.

How Do You Choose an Automatic Shrink Wrapping Machine?

The right machine depends on the products being wrapped and the requirements of the production line.

Important features to assess include:

• Production speed
• Maximum product dimensions
• A reliable sealing system
• Suitable film types
• Controllable tunnel temperatures
• Compatibility with existing conveyors
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• Straightforward machine controls
• Servicing and maintenance needs

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?

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.

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

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.

Available equipment includes compact sealers, automatic L-sealers, side-sealing machines and tailored 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. Many systems allow operators to change settings for different pack dimensions and product types. However, some equipment can be changed over more quickly than others.

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.

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 product, machine configuration and packaging requirements.