An automatic shrink wrapping system 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 consistent and professional-looking pack while cutting the need for hands-on wrapping.
Unlike manual packaging systems, automatic machines are designed for continuous production. Once the correct settings have been entered, the equipment can wrap products repeatedly using the same settings.
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
Products are transferred into the machine using a conveyor system or connected production line.
2. Shrink Film Positioning
The machine places shrink film around the item ready for sealing.
3. Sealing the Pack
The film is sealed around the product to prepare it for the shrinking stage.
4. The Pack Enters the Heat Tunnel
The wrapped item travels through a heat tunnel where the film shrinks.
5. Pack Exit
Once wrapped, the completed product exits the machine and can be stored, distributed or displayed.
What Are the Benefits of Automatic Shrink Wrap Machines?
There are several reasons why manufacturers choose automatic shrink wrapping equipment.
Faster Production
Automated systems usually process substantially more packs than manual machinery. This makes them suitable for businesses with moderate or large production volumes.
Repeatable Results
The machinery applies consistent settings to each product. This creates a reliable and repeatable pack appearance.
Lower Operator Involvement
Operators spend less time wrapping products by hand. Employees can then focus on other production duties.
Protection for Stored and Transported Goods
Shrink film can help protect products from dust, moisture and tampering during warehousing and delivery.
More Controlled Film Consumption
Automatic systems can regulate film use more closely than manual wrapping. This can limit wasted material without weakening the seal.
Common Uses for Automatic Shrink Wrapping Equipment
Automatic shrink wrap machinery is used across many industries because it combines speed with consistent pack quality.
The machinery is often used in:
- Food manufacturing
- Drinks and beverages
- Domestic products
- Printed materials
- 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 Should You Invest in an Automatic Shrink Wrap Machine?
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
- The production line requires continuous packaging
For businesses with rising volumes, automation can provide steadier output with less operator input.
What Features Should You Look for in an Automatic Shrink Wrap Machine?
Different businesses need different machinery, so the correct system will depend on your products and production process.
Important features to assess include:
- Production speed
- Maximum product dimensions
- A reliable sealing system
- Compatible shrink films
- Adjustable temperature controls click here
- Conveyor integration
- Simple operator controls
- Low maintenance requirements
Some systems can also be customised for unusual product dimensions or specialist packaging tasks.
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 wrapping systems can produce between 25 and 40 packs per 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 support reliable long-term operation.
Questions About Automatic Shrink Wrap Machines
Can automatic shrink wrap machines package different products?
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?
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.
Are automatic machines compatible with recyclable shrink film?
Many current machines can use recyclable films, films containing recycled material and certain compostable options. Suitability depends on the application and equipment settings.