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 neat, secure package 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 package products consistently throughout the working day.

What Is the Automatic Shrink Wrapping Process?

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

1. Automatic Product Feeding

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

2. Shrink Film Positioning

Each product is surrounded by shrink film before it reaches the sealing section.

3. Automatic Sealing

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. Finished Package

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

Why Use an Automatic Shrink Wrapping Machine?

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 reliable and repeatable pack appearance.

Less Manual Handling

Staff are not required to carry out every stage manually. Employees can then spend more time on other tasks.

Better Product Protection

Shrink film can help protect products from dust, moisture and tampering during warehousing and delivery.

Reduced Material Use

Current machinery often includes controls designed to limit excess film consumption. This can reduce waste while retaining reliable seals.

Common Uses for Automatic Shrink Wrapping Equipment

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
• Printed materials
• Pharmaceutical packaging
• General consumer products
• Industrial components
• Grouped retail packs

The equipment can be configured to wrap single products, promotional bundles and grouped goods.

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
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• Production volumes are continuing to rise
• Pack consistency varies depending on the operator
• The business needs to increase production without employing additional packaging staff
• The production line requires continuous packaging

Automatic machinery often becomes more efficient as packaging demand increases.

Key Features to Check Before Buying

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

Points to check include:

• Maximum operating speed
• Supported product sizes
• Seal quality and reliability
• Suitable film types
• Controllable tunnel temperatures
• Compatibility with existing conveyors
• Straightforward machine controls
• Servicing and maintenance needs

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.

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

What Is the Operating Speed of an Automatic Shrink Wrap Machine?

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 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.

Frequently Asked Questions

Can one machine wrap several product types?

In many cases, 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.

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 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.