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 reducing manual handling.

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. 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. Shrinking the Film

The sealed product passes through a heated tunnel, causing the film to contract.

5. Finished Package

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

Advantages of Automatic Shrink Wrap Machinery

Businesses use automatic shrink wrap machines for several practical reasons.

Faster Production

Automated systems usually process substantially more packs than manual machinery. This makes them suitable for production environments that require steady or high output.

Repeatable Results

Each item passes through the same controlled wrapping process. This creates a neat and uniform appearance.

Reduced Labour Requirements

Operators spend less time wrapping products by hand. 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.

Reduced Material Use

Automatic systems can regulate film use more closely than manual wrapping. This can keep material use controlled while maintaining pack integrity.

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
• Beverage production
• Domestic products
• Books, magazines and other printed goods
• Pharmaceutical packaging
• Consumer goods
• Manufactured components
• Retail multipacks

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

When Should You Invest in an Automatic Shrink Wrap Machine?

Many businesses start with manual or semi-automatic equipment and move to automatic machinery as production grows.

Signs that it may be time to upgrade include:

• Employees spend a large amount of time wrapping products manually
• Your required output is increasing
• Pack consistency varies depending on the operator
• You need greater output without adding more labour
• 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:

• Production speed
• Maximum product dimensions
• A reliable sealing system
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• Compatible shrink films
• Adjustable temperature controls
• Conveyor integration
• Simple operator controls
• Low maintenance requirements

Custom configurations are available for unusual products or specialist production requirements.

What Is the Difference Between Automatic and Semi-Automatic Shrink Wrap Machines?

With a semi-automatic machine, an operator usually has to place the product or begin one or more stages.

Automatic systems handle almost the entire cycle with limited operator involvement. They are therefore often chosen for production lines processing large quantities of products.

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

How Many Packs Per Minute Can an Automatic Machine Produce?

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

Many automated shrink wrapping machines can produce approximately 25 to 40 packs each minute. For suitable products, high-speed side-sealing machines can process more than 100 packs per minute.

Automatic Shrink Wrap Machinery from Kempner

Kempner has supplied packaging machinery and shrink wrap materials for more than 50 years. The company works with businesses across numerous production environments.

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 keep packaging equipment working reliably over the long term.

Questions About Automatic Shrink Wrap Machines

Can automatic machines handle different product sizes?

Yes. Automatic equipment can often be configured to handle several product formats. However, changeover times depend on the machinery.

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.

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 specified according to the required packaging process.

Can automatic shrink wrap machines use sustainable films?

Depending on the application, modern systems may accept recyclable film, recycled-content film or some compostable materials. Suitability depends on the type of film, pack format and machinery specification.