An automatic shrink wrapping system is a packaging system that feeds products into the machine automatically. It then covers the product with shrink film, 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 neat, secure package 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 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

A conveyor automatically carries products into the wrapping equipment.

2. The Product Is Wrapped

Shrink film is positioned around each product before sealing begins.

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. Pack Exit

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.

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

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 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.

Where Are Automatic Shrink Wrap Machines Used?

Many sectors use automatic shrink wrapping equipment to package goods quickly and consistently.

The machinery is often used in:

• Food manufacturing
• Beverage production
• Domestic products
• Printed materials
• Pharmaceutical packaging
• 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:

• Manual wrapping takes up too much staff time
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• Production volumes are continuing to rise
• Packaging quality differs between operators
• You need greater output without adding more labour
• Products need to be wrapped continuously

For businesses with rising volumes, automation can provide steadier output with less operator input.

What Features Should You Look for in an Automatic Shrink Wrap Machine?

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

Points to check include:

• Production speed
• Maximum product dimensions
• A reliable sealing system
• Compatible shrink films
• Adjustable temperature controls
• 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.

The main results are higher throughput, greater consistency and less operator involvement.

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.

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 many different industries.

The range covers compact automatic machines, L-sealers, side sealers and systems built for specific production needs.

Support services include installation commissioning, maintenance and technical assistance. These services are intended to support reliable long-term operation.

Questions About Automatic Shrink Wrap Machines

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.

Is automatic shrink wrap machinery suitable for small businesses?

Yes, particularly when a smaller company is increasing its output. Investment often becomes worthwhile when manual processes begin limiting daily output.

Do automatic shrink wrap machines reduce packaging costs?

A suitable machine may lower labour requirements, increase output and control material use. The machine must be properly selected for the products and production targets.

Can lower-impact shrink films be used?

Many current machines can use recyclable films, films containing recycled material and certain compostable options. Suitability depends on the application and equipment settings.