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?

Most automatic shrink wrap machines use a similar packaging process, even when their designs differ.

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. 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.

Faster Production

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

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
• Consumer goods
• Manufactured components
• Grouped retail packs

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

When Is It Time to Move to Automatic Shrink Wrapping?

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
• 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.

What Features Should You Look for in an Automatic Shrink Wrap 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
• A reliable sealing system
• Suitable film types
• Controllable tunnel temperatures
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• Conveyor integration
• Simple operator controls
• Servicing and maintenance needs

Machinery may be adapted for non-standard pack sizes and specific applications.

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.

Automatic systems handle almost the entire cycle with limited operator involvement. They are therefore better suited to businesses producing hundreds or thousands of packs each day.

Businesses gain more predictable output while relying less on hands-on packaging.

How Many Packs Per Minute Can an Automatic Machine Produce?

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.

Why Choose Kempner for Automatic Shrink Wrap Machines?

Kempner UK has supplied packaging machinery and shrink wrap materials for more than 50 years. The company works with businesses across many different industries.

Available equipment includes compact sealers, automatic L-sealers, side-sealing machines and tailored systems.

Support services include installation commissioning, maintenance and technical assistance. These services are intended to help businesses maintain dependable machine performance.

Frequently Asked Questions

Can automatic machines handle different product sizes?

Yes. Most machines can be adjusted for different product sizes and formats. However, some equipment can be changed over more quickly than others.

Can a small business use an automatic shrink wrap machine?

It can be suitable for a small business with growing production volumes. Investment often becomes worthwhile when manual processes begin limiting daily output.

Do automatic shrink wrap machines reduce packaging costs?

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.

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.