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.
The heat tunnel causes the film to shrink closely around the item. This produces a secure and tidy finish while cutting the need for hands-on wrapping.
Where manual equipment depends heavily on an operator, automatic machinery is made for continuous output. Once the correct settings have been entered, the equipment can maintain steady packaging quality during long production runs.
What Is the Automatic Shrink Wrapping Process?
Most automatic shrink wrap machines use a similar packaging process, even when their designs differ.
1. Products Enter the Machine
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?
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 reliable and repeatable pack appearance.
Less Manual Handling
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
Many modern machines include settings that reduce unnecessary film use. 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 products
- General consumer products
- Manufactured components
- Retail multipacks
Depending on the machine configuration, shrink wrapping can be used for individual products, promotional packs or larger grouped items.
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 more info
- The business needs to increase production without employing additional packaging staff
- The production line requires continuous packaging
Automatic machinery often becomes more efficient as packaging demand increases.
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
- 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 better suited to businesses producing hundreds or thousands of packs each day.
This can provide faster production, repeatable pack quality and reduced manual work.
How Many Packs Per Minute Can an Automatic Machine Produce?
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. High-speed automatic side sealers may exceed 100 packs per minute in suitable applications.
Kempner Automatic Shrink Wrapping Systems
Kempner UK 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.
Kempner also provides commissioning, servicing and technical support. These services are intended to support reliable long-term operation.
Automatic Shrink Wrapping FAQs
Can one machine wrap several product types?
Yes. Many systems allow operators to change settings for different pack dimensions and product types. 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 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 properly selected for the products and production targets.
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 product, machine configuration and packaging requirements.