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.
As the pack travels through the tunnel, heat makes the film contract around it. 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
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. Sealing the Pack
The machine forms a precise seal around the product.
4. Heat Tunnel
The wrapped item travels through a heat tunnel where the film shrinks.
5. The Completed Pack
The packaged item leaves the line ready for handling, delivery or presentation in a retail setting.
Advantages of Automatic Shrink Wrap Machinery
Businesses use automatic shrink wrap machines for several practical reasons.
Increased Output
Automatic machines can package far more products than manual equipment. This makes them suitable for medium- and high-volume production lines.
Consistent Packaging
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.
Added Protection During Distribution
Shrink film can help protect products from dust, moisture and tampering during storage and distribution.
More Controlled Film Consumption
Current machinery often includes controls designed to limit excess film consumption. This can reduce waste while retaining reliable seals.
Common Uses for Automatic Shrink Wrapping Equipment
Businesses in a wide range of industries rely on automatic machinery for repeatable, high-speed packaging.
Common applications include:
- Food production
- Beverage production
- Household goods
- Books, magazines and other printed goods
- Pharmaceutical packaging
- Consumer goods
- Manufactured 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:
- Employees spend a large amount of time wrapping products manually check here
- 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
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.
Important features to assess include:
- Production speed
- Maximum product dimensions
- A reliable sealing system
- Suitable film types
- Controllable tunnel temperatures
- Compatibility with existing conveyors
- Straightforward machine controls
- Low maintenance requirements
Custom configurations are available for unusual products or specialist production requirements.
How Do Automatic and Semi-Automatic Machines Differ?
Semi-automatic systems depend on staff to carry out certain parts of the packaging process.
An automatic shrink wrap machine performs nearly every stage without direct operator input. They are therefore better suited to businesses producing hundreds or thousands of packs each day.
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 approximately 25 to 40 packs each minute. Some high-speed automatic side sealers can produce over 100 packs each minute when the application permits.
Automatic Shrink Wrap Machinery from Kempner
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.
Kempner also provides commissioning, servicing and technical support. 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, 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 specified according to the required packaging process.
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.