An automatic shrink wrapping system is a packaging system that automatically receives products from a conveyor or production line. It then covers the product with 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 secure and tidy finish while cutting the need for hands-on wrapping.

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. 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

A sealing system joins the film securely around the item.

4. The Pack Enters the Heat Tunnel

Heat is applied as the pack moves through the tunnel, tightening the film around the product.

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

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

Consistent Packaging

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

Less Manual Handling

Staff are not required to carry out every stage manually. 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.

Lower Film Waste

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 manufacturing
• 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.

Should Your Business Upgrade to an Automatic Machine?

Companies often begin with manual or semi-automatic systems before upgrading when output rises.

Signs that it may be time to upgrade include:

• Employees spend a large amount of time wrapping products manually
• 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.

Important features to assess 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
• Straightforward machine 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 equipment still requires an operator to position products or start part of the wrapping cycle.

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 Fast Can Automatic Shrink Wrap Machines Operate?

Production speed varies according to product size, machine layout and packaging complexity.

Many automated shrink wrapping machines 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 help businesses maintain dependable machine performance.

Automatic Shrink Wrapping FAQs

Can automatic shrink wrap machines package different products?

In many cases, yes. Most machines can be adjusted for different product sizes and formats. However, the time required to switch products varies by machine.

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.

Will an automatic machine save money?

They can reduce labour needs, improve efficiency and limit film waste when correctly specified. The machine must be properly selected for the products and production targets.

Are automatic machines compatible with recyclable shrink film?

Many current machines can use recyclable films, films containing recycled material and certain compostable options. Suitability depends on the product, machine configuration and packaging requirements.