An automatic shrink wrap 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.
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.
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?
Most automatic shrink wrap machines use a similar packaging process, even when their designs differ.
1. Products Enter the Machine
A conveyor automatically carries products into the wrapping equipment.
2. The Product Is Wrapped
Shrink film is positioned around each product before sealing begins.
3. The Film Is Sealed
The film is sealed around the product to prepare it for the shrinking stage.
4. Shrinking the Film
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.
Advantages of Automatic Shrink Wrap Machinery
There are several reasons why manufacturers choose automatic shrink wrapping equipment.
Faster Production
An automatic line can wrap products at a much faster rate than a manual system. This makes them suitable for medium- and high-volume production lines.
Consistent Packaging
Every pack is wrapped using the same machine settings. This creates a consistent finish across the production run.
Less Manual Handling
The machinery reduces the amount of hands-on packaging work. Employees can then be assigned to other parts of the production process.
Protection for Stored and Transported Goods
A close film covering helps shield products from dirt, damp conditions and tampering during warehousing and delivery.
Reduced Material Use
Current machinery often includes controls designed to limit excess film consumption. This can limit wasted material without weakening the seal.
Where Are Automatic Shrink Wrap Machines Used?
Many sectors use automatic shrink wrapping equipment to package goods quickly and consistently.
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.
Should Your Business Upgrade to an Automatic Machine?
Companies often begin with manual or semi-automatic systems before upgrading when output rises.
An upgrade may be worth considering when:
- Manual wrapping takes up too much staff time
- Production volumes are continuing to rise
- Pack consistency varies depending on the operator
- You need greater output without adding more labour
- Products need to be wrapped continuously
Automatic machinery often becomes more efficient as packaging demand increases.
Key Features to Check Before Buying
Machine selection should be based on product size, output targets and packaging requirements.
Useful machine specifications include:
- Production speed
- Maximum product dimensions click here
- A reliable sealing system
- Suitable film types
- Controllable tunnel temperatures
- Compatibility with existing conveyors
- Simple operator controls
- Low maintenance requirements
Custom configurations are available for unusual products or specialist production requirements.
How Do Automatic and Semi-Automatic Machines Differ?
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 often chosen for production lines processing large quantities of products.
Businesses gain more predictable output while relying less on hands-on packaging.
How Many Packs Per Minute Can an Automatic Machine Produce?
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.
Why Choose Kempner for Automatic Shrink Wrap Machines?
Kempner UK 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.
Support services include installation commissioning, maintenance and technical assistance. 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. 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.
Can a small business use an automatic shrink wrap machine?
Yes, particularly when a smaller company is increasing its output. 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.