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 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 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. 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?
There are several reasons why manufacturers choose automatic shrink wrapping equipment.
Increased Output
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 consistent finish across the production run.
Reduced Labour Requirements
Operators spend less time wrapping products by hand. Employees can then be assigned to other parts of the production process.
Protection for Stored and Transported Goods
The wrapped film provides a barrier against dust, moisture and interference during storage and distribution.
More Controlled Film Consumption
Automatic systems can regulate film use more closely than manual wrapping. 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.
Typical sectors include:
- Food production
- Drinks and beverages
- Domestic products
- Printed materials
- Pharmaceutical packaging
- General consumer products
- Industrial components
- Grouped retail packs
The equipment can be configured to wrap single products, promotional bundles and grouped goods.
Should Your Business Upgrade to an Automatic Machine?
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
- The business needs to increase production without employing additional packaging staff
- Products need to be wrapped continuously
Automatic machinery often becomes more efficient as packaging demand increases.
How Do You Choose an Automatic Shrink Wrapping Machine?
The right machine depends on the products being wrapped and the requirements of the production line.
Important features to assess 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.
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 more info automatic shrink wrap 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 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. Many systems allow operators to change settings for different pack dimensions and product types. However, changeover times depend on the machinery.
Can a small business use an automatic shrink wrap machine?
Automatic equipment may suit a small business when packaging demand begins to rise. Investment often becomes worthwhile when manual packaging starts to restrict production.
Can automation lower shrink wrapping costs?
Cost savings may come from reduced manual work, steadier production and less wasted film. The machine must be matched correctly to the application.
Can automatic shrink wrap machines use sustainable films?
Some automatic machines are compatible with recyclable, recycled-content and selected compostable shrink films. Suitability depends on the type of film, pack format and machinery specification.