An automatic shrink wrapping system is a packaging system that feeds products into the machine automatically. It then positions shrink film around each product, 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 reducing manual handling.

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 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. Shrink Film Positioning

Shrink film is positioned around each product before sealing begins.

3. The Film Is Sealed

The film is sealed around the product to prepare it for the shrinking stage.

4. Heat Tunnel

The wrapped item travels through a heat tunnel where the film shrinks.

5. The Completed Pack

The finished pack leaves the machine ready for storage, transport or retail display.

What Are the Benefits of Automatic Shrink Wrap Machines?

Automatic shrink wrapping offers a number of practical benefits for production businesses.

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.

Repeatable Results

Every pack is wrapped using the same machine settings. This creates a neat and uniform appearance.

Reduced Labour Requirements

The machinery reduces the amount of hands-on packaging work. 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 warehousing and delivery.

Reduced Material Use

Current machinery often includes controls designed to limit excess film consumption. This can limit wasted material without weakening the seal.

Which Industries Use Automatic Shrink Wrap Machinery?

Automatic shrink wrap machinery is used across many industries because it combines speed with consistent pack quality.

The machinery is often used in:

• Food manufacturing
• Beverage production
• Household goods
• Books, magazines and other printed goods
• Pharmaceutical products
• General consumer products
• Industrial components
• Grouped retail packs

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

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
• Production volumes are continuing to rise
• Packaging quality differs between operators
• The business needs to increase production without employing additional packaging staff
• The production line requires continuous packaging

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

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
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• A reliable sealing system
• Compatible shrink films
• Adjustable temperature controls
• Conveyor integration
• Straightforward machine controls
• Servicing and maintenance needs

Some systems can also be customised for unusual product dimensions or specialist packaging tasks.

Automatic Versus Semi-Automatic Shrink Wrapping Machinery

Semi-automatic systems depend on staff to carry out certain parts of the packaging process.

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 between 25 and 40 packs per minute. For suitable products, high-speed side-sealing machines can process more than 100 packs per minute.

Automatic Shrink Wrap Machinery from Kempner

Kempner UK has supplied shrink wrapping equipment and packaging materials for over five decades. The company works with businesses across a broad range of sectors.

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

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 automatic machines handle different product sizes?

Yes. Automatic equipment can often be configured to handle several product 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?

Cost savings may come from reduced manual work, steadier production and less wasted film. The machine must be matched correctly to the application.

Are automatic machines compatible with recyclable shrink film?

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