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.

Inside the heat tunnel, the film contracts tightly around the product. This produces a neat, secure package while limiting the amount of manual work required.

Unlike manual packaging systems, automatic machines are designed for continuous 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. Product Feeding

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

2. Film Wrapping

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. 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.

Higher Packaging Speeds

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

Uniform Pack Quality

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

Many modern machines include settings that reduce unnecessary film use. This can keep material use controlled while maintaining pack integrity.

Where Are Automatic Shrink Wrap Machines Used?

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

Common applications include:

• Food manufacturing
• Beverage production
• Domestic products
• Printed materials
• Pharmaceutical packaging
• General consumer products
• Industrial components
• Grouped retail packs

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.

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

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 one machine wrap several product types?

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.

Can automation lower shrink wrapping costs?

They can reduce labour needs, improve efficiency and limit film waste when correctly specified. 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 type of film, pack format and machinery specification.