An automated shrink wrapping machine 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.

As the pack travels through the tunnel, heat makes the film contract around it. 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 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

Products are transferred into the machine using a conveyor system or connected production line.

2. Film Wrapping

Each product is surrounded by shrink film before it reaches the sealing section.

3. Sealing the Pack

A sealing system joins the film securely around the item.

4. The Pack Enters the Heat Tunnel

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

5. The Completed Pack

The packaged item leaves the line ready for handling, delivery or presentation in a retail setting.

What Are the Benefits of Automatic Shrink Wrap Machines?

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 production environments that require steady or high output.

Repeatable Results

Each item passes through the same controlled wrapping process. This creates a reliable and repeatable pack appearance.

Lower Operator Involvement

Staff are not required to carry out every stage manually. Employees can then spend more time on other tasks.

Better Product Protection

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 limit wasted material without weakening the seal.

Where Are Automatic Shrink Wrap Machines Used?

Businesses in a wide range of industries rely on automatic machinery for repeatable, high-speed packaging.

Typical sectors include:

• Food production
• Beverage production
• Household goods
• Printed materials
• Pharmaceutical packaging
• Consumer goods
• Industrial components
• Grouped retail packs

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

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:

• Manual wrapping takes up too much staff time
• Your required output is increasing
• 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.

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:

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• Maximum operating speed
• Supported product sizes
• Seal quality and reliability
• Compatible shrink films
• Adjustable temperature controls
• Conveyor integration
• Simple operator controls
• Low maintenance requirements

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

Automatic Versus Semi-Automatic Shrink Wrapping Machinery

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

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

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

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.

Its machinery range includes compact automatic sealers, standard L-sealers, side sealers and custom-built systems.

The company offers commissioning, equipment servicing and ongoing technical help. These services are intended to support reliable long-term operation.

Questions About Automatic Shrink Wrap Machines

Can automatic shrink wrap machines package different products?

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

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 packaging starts to restrict production.

Can automation lower shrink wrapping costs?

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.