An automatic shrink wrap machine is a packaging system that moves products through the packaging process automatically. It then positions shrink film around each product, 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 consistent and professional-looking pack while limiting the amount of manual work required.

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 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. The Film Is Sealed

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

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.

Why Use an Automatic Shrink Wrapping Machine?

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

Higher Packaging Speeds

An automatic line can wrap products at a much faster rate than a manual system. This makes them suitable for businesses with moderate or large production volumes.

Uniform Pack Quality

The machinery applies consistent settings to each product. This creates a neat and uniform appearance.

Reduced Labour Requirements

The machinery reduces the amount of hands-on packaging work. Employees can then spend more time on other tasks.

Added Protection During Distribution

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

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

Common applications include:

• Food production
• Beverage production
• Household goods
• Books, magazines and other printed goods
• Pharmaceutical packaging
• Consumer goods
• Manufactured 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.

An upgrade may be worth considering when:

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

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

Key Features to Check Before Buying

The right machine depends on the products being wrapped and the requirements of the production line.

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

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

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.

By comparison, automatic machinery completes most parts of the wrapping process by itself. They are therefore more appropriate for high daily packaging volumes.

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

How Fast Can Automatic Shrink Wrap Machines Operate?

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.

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 a broad range of sectors.

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

Kempner also provides commissioning, servicing and technical support. 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. Most machines can be adjusted for different product sizes and formats. However, the time required to switch products varies by machine.

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.

Will an automatic machine save money?

They can reduce labour needs, improve efficiency and limit film waste when correctly specified. The machine must be matched correctly to the application.

Are automatic machines compatible with recyclable shrink film?

Some automatic machines are compatible with recyclable, recycled-content and selected compostable shrink films. Suitability depends on the product, machine configuration and packaging requirements.