An automatic shrink wrap machine is a packaging system that moves products through the packaging process 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 consistent and professional-looking pack 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
A conveyor automatically carries products into the wrapping equipment.
2. The Product Is Wrapped
Each product is surrounded by shrink film before it reaches the sealing section.
3. Automatic Sealing
The film is sealed around the product to prepare it for the shrinking stage.
4. Heat Tunnel
Heat is applied as the pack moves through the tunnel, tightening the film around the product.
5. Finished Package
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?
There are several reasons why manufacturers choose automatic shrink wrapping equipment.
Faster Production
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 consistent finish across the production run.
Reduced Labour Requirements
Staff are not required to carry out every stage manually. Employees can then spend more time on other tasks.
Added Protection During Distribution
A close film covering helps shield products from dirt, damp conditions and tampering during storage and distribution.
Reduced Material Use
Automatic systems can regulate film use more closely than manual wrapping. 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.
Typical sectors include:
- Food production
- Beverage production
- Domestic products
- Books, magazines and other printed goods
- Pharmaceutical packaging
- Consumer goods
- Industrial components
- Grouped retail packs
Depending on the machine configuration, shrink wrapping can be used for individual products, promotional packs or larger grouped items.
When Is It Time to Move to Automatic Shrink Wrapping?
Companies often begin with manual or semi-automatic systems before upgrading when output rises.
Signs that it may be time to upgrade include:
- Employees spend a large amount of time wrapping products manually
- Production volumes are continuing to rise
- Pack consistency varies depending on the operator
- You need greater output without adding more labour
- Products need to be wrapped continuously
Automatic machinery often becomes more efficient as packaging demand increases.
What Features Should You Look for in an Automatic Shrink Wrap Machine?
Different businesses need different machinery, so the correct system will depend on your products and production process.
Important features to assess include:
- Maximum operating speed
- Supported product sizes
- A reliable sealing system
- Compatible shrink films
- Adjustable temperature controls click here
- Compatibility with existing conveyors
- Straightforward machine controls
- Servicing and maintenance needs
Machinery may be adapted for non-standard pack sizes and specific applications.
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.
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 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 UK has supplied shrink wrapping equipment and packaging materials for over five decades. The company works with businesses across many different industries.
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 keep packaging equipment working reliably over the long term.
Frequently Asked Questions
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.
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 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 properly selected for the products and production targets.
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.