An automatic shrink wrapping system 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.
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 package products consistently throughout the working day.
What Is the Automatic Shrink Wrapping Process?
Although machine designs vary, most automatic shrink wrapping systems follow the same main stages.
1. Automatic Product Feeding
Products enter the machine by conveyor or through an integrated production line.
2. Film Wrapping
Each product is surrounded by shrink film before it reaches the sealing section.
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.
Faster Production
Automatic machines can package far more products than manual equipment. This makes them suitable for medium- and high-volume production lines.
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 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 storage and distribution.
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
Businesses in a wide range of industries rely on automatic machinery for repeatable, high-speed packaging.
Typical sectors include:
- Food production
- Drinks and beverages
- 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.
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
- Your required output is increasing click here
- Packaging quality differs between operators
- You need greater output without adding more labour
- Products need to be wrapped continuously
As production grows, an automatic system can provide greater efficiency and more predictable output.
What Features Should You Look for in an Automatic Shrink Wrap Machine?
Machine selection should be based on product size, output targets and packaging requirements.
Useful machine specifications include:
- Maximum operating speed
- Supported product sizes
- A reliable sealing system
- Compatible shrink films
- Adjustable temperature controls
- Conveyor integration
- Simple operator controls
- Low maintenance requirements
Some systems can also be customised for unusual product dimensions or specialist packaging tasks.
Automatic Versus Semi-Automatic Shrink Wrapping Machinery
With a semi-automatic machine, an operator usually has to place the product or begin one or more stages.
Automatic systems handle almost the entire cycle with limited operator involvement. They are therefore often chosen for production lines processing large quantities of products.
Businesses gain more predictable output while relying less on hands-on packaging.
How Fast Can Automatic Shrink Wrap Machines Operate?
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. Some high-speed automatic side sealers can produce over 100 packs each minute when the application permits.
Kempner Automatic Shrink Wrapping Systems
Kempner has supplied shrink wrapping equipment and packaging materials for over five decades. 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, 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 manual processes begin limiting daily output.
Will an automatic machine save money?
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 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.