Automatic Shrink Wrap Machines Explained
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.
The heat tunnel causes the film to shrink closely around the item. This produces a secure and tidy finish while cutting the need for hands-on wrapping.
Automatic machines differ from manual systems because they are built for ongoing production. Once the correct settings have been entered, the equipment can package products consistently throughout the working day.
How Do Automatic Shrink Wrapping Machines Work?
Although machine designs vary, most automatic shrink wrapping systems follow the same main stages.
1. Automatic 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
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 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 products
- Consumer goods
- Manufactured components
- Retail multipacks
Machine settings and layout can be adapted for individual items, multipacks or larger product groups.
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
- 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.
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.
Points to check include:
- Production speed
- Maximum product dimensions
- A reliable sealing system
- Compatible shrink films
- Adjustable temperature controls
- Conveyor integration
- Simple operator controls
- Servicing and maintenance needs
Some systems can also be customised for unusual product dimensions or specialist packaging tasks.
What Is the Difference Between Automatic and Semi-Automatic Shrink Wrap Machines?
With a semi-automatic machine, an operator usually has to place the product or begin one or more stages.
By comparison, automatic machinery completes most parts of the wrapping process by itself. They are therefore more appropriate for high daily packaging volumes.
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 here automatic shrink wrap machines can produce approximately 25 to 40 packs each 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 UK has supplied packaging machinery and shrink wrap materials for more than 50 years. The company works with businesses across numerous production environments.
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 keep packaging equipment working reliably over the long term.
Frequently Asked Questions
Can one machine wrap several product types?
In many cases, 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 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.