An automatic shrink wrap 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.
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.
Automatic machines differ from manual systems because they are built for ongoing production. Once the correct settings have been entered, the equipment can wrap products repeatedly using the same settings.
How Do Automatic Shrink Wrapping Machines Work?
Although machine designs vary, most automatic shrink wrapping systems follow the same main stages.
1. Product Feeding
Products are transferred into the machine using a conveyor system or connected production line.
2. Film Wrapping
The machine places shrink film around the item ready for sealing.
3. The Film Is Sealed
The film is sealed around the product to prepare it for the shrinking stage.
4. Heat Tunnel
The wrapped item travels through a heat tunnel where the film shrinks.
5. The Completed Pack
Once wrapped, the completed product exits the machine and can be stored, distributed or displayed.
Advantages of Automatic Shrink Wrap Machinery
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
The machinery applies consistent settings to each product. 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.
Added Protection During Distribution
The wrapped film provides a barrier against dust, moisture and interference during storage and distribution.
More Controlled Film Consumption
Current machinery often includes controls designed to limit excess film consumption. This can limit wasted material without weakening the seal.
Common Uses for Automatic Shrink Wrapping Equipment
Businesses in a wide range of industries rely on automatic machinery for repeatable, high-speed packaging.
Typical sectors include:
- Food production
- Drinks and beverages
- Domestic products
- 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.
When Is It Time to Move to Automatic Shrink Wrapping?
Many businesses start with manual or semi-automatic equipment and move to automatic machinery as production grows.
You may need an automatic machine if:
- Manual wrapping takes up too much staff time
- Production volumes are continuing to rise
- Packaging quality differs between operators
- The business needs to increase production without employing additional packaging staff
- Products need to be wrapped continuously
As production grows, an automatic system can provide greater efficiency and more predictable output.
How Do You Choose an Automatic Shrink Wrapping 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 check here
- Supported product sizes
- Seal quality and reliability
- Suitable film types
- Controllable tunnel temperatures
- Compatibility with existing conveyors
- Straightforward machine controls
- Servicing and maintenance needs
Custom configurations are available for unusual products or specialist production requirements.
How Do Automatic and Semi-Automatic Machines Differ?
Semi-automatic equipment still requires an operator to position products or start part of the wrapping cycle.
An automatic shrink wrap machine performs nearly every stage without direct operator input. They are therefore more appropriate for high daily packaging volumes.
The main results are higher throughput, greater consistency and less operator involvement.
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 between 25 and 40 packs per 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 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, some equipment can be changed over more quickly than others.
Is automatic shrink wrap machinery suitable for small businesses?
Yes, particularly when a smaller company is increasing its output. Investment often becomes worthwhile when manual processes begin limiting daily output.
Do automatic shrink wrap machines reduce packaging costs?
A suitable machine may lower labour requirements, increase output and control material use. The machine must be properly selected for the products and production targets.
Can lower-impact shrink films be used?
Many current machines can use recyclable films, films containing recycled material and certain compostable options. Suitability depends on the application and equipment settings.