An automated shrink wrapping machine is a packaging system that automatically receives products from a conveyor or production line. It then covers the product with shrink film, 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 neat, secure package 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 wrap products repeatedly using the same settings.
What Is the Automatic Shrink Wrapping Process?
Although machine designs vary, most automatic shrink wrapping systems follow the same main stages.
1. Products Enter the Machine
Products enter the machine by conveyor or through an integrated production line.
2. Shrink Film Positioning
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. Shrinking the Film
The sealed product passes through a heated tunnel, causing the film to contract.
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.
Faster Production
Automated systems usually process substantially more packs than manual machinery. This makes them suitable for businesses with moderate or large production volumes.
Uniform Pack Quality
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 focus on other production duties.
Protection for Stored and Transported Goods
A close film covering helps shield products from dirt, damp conditions and tampering during handling, storage and transport.
Reduced Material Use
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
Automatic shrink wrap machinery is used across many industries because it combines speed with consistent pack quality.
Common applications include:
- Food production
- Drinks and beverages
- Domestic products
- Printed materials
- Pharmaceutical packaging
- Consumer goods
- Manufactured components
- Grouped retail packs
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?
Many businesses start with manual or semi-automatic equipment and move to automatic machinery as production grows.
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
- The production line requires continuous packaging
For businesses with rising volumes, automation can provide steadier output with less operator input.
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.
Points to check include:
- Maximum operating speed
- Supported product sizes
- Seal quality and reliability
- Suitable film types here
- Controllable tunnel temperatures
- Compatibility with existing conveyors
- Simple operator controls
- Low maintenance requirements
Machinery may be adapted for non-standard pack sizes and specific applications.
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.
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 automatic shrink wrap 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 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. Automatic equipment can often be configured to handle several product formats. However, the time required to switch products varies by machine.
Are automatic machines only for large manufacturers?
Yes, particularly when a smaller company is increasing its output. Investment often becomes worthwhile when hand wrapping can no longer keep pace with orders.
Will an automatic machine save money?
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?
Depending on the application, modern systems may accept recyclable film, recycled-content film or some compostable materials. Suitability depends on the application and equipment settings.