What Does an Automatic Shrink Wrap Machine Do?
An automatic shrink wrap machine is a packaging system that moves products through the packaging process automatically. It then positions shrink film around each product, 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.
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
A conveyor automatically carries products into the wrapping equipment.
2. Shrink Film Positioning
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. Heat Tunnel
The sealed product passes through a heated tunnel, causing the film to contract.
5. The Completed Pack
Once wrapped, the completed product exits the machine and can be stored, distributed or displayed.
Advantages of Automatic Shrink Wrap Machinery
Automatic shrink wrapping offers a number of practical benefits for production businesses.
Increased Output
Automatic machines can package far more products than manual equipment. This makes them suitable for businesses with moderate or large production volumes.
Uniform Pack Quality
Each item passes through the same controlled wrapping process. This creates a reliable and repeatable pack appearance.
Reduced Labour Requirements
Operators spend less time wrapping products by hand. Employees can then focus on other production duties.
Better Product Protection
Shrink film can help protect products from dust, moisture and tampering during storage and distribution.
More Controlled Film Consumption
Automatic systems can regulate film use more closely than manual wrapping. This can keep material use controlled while maintaining pack integrity.
Where Are Automatic Shrink Wrap Machines Used?
Businesses in a wide range of industries rely on automatic machinery for repeatable, high-speed packaging.
Common applications include:
- Food production
- Drinks and beverages
- Domestic products
- Books, magazines and other printed goods
- Pharmaceutical products
- General consumer products
- Industrial components
- Grouped retail packs
The equipment can be configured to wrap single products, promotional bundles and grouped goods.
When Is It Time to Move to Automatic Shrink Wrapping?
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 check here
- 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
For businesses with rising volumes, automation can provide steadier output with less operator input.
How Do You Choose an Automatic Shrink Wrapping Machine?
Machine selection should be based on product size, output targets and packaging requirements.
Important features to assess include:
- Production speed
- Supported product sizes
- Seal quality and reliability
- Compatible shrink films
- Adjustable temperature controls
- Compatibility with existing conveyors
- 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?
With a semi-automatic machine, an operator usually has to place the product or begin one or more stages.
An automatic shrink wrap machine performs nearly every stage without direct operator input. They are therefore often chosen for production lines processing large quantities of products.
This can provide faster production, repeatable pack quality and reduced manual work.
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. Some high-speed automatic side sealers can produce over 100 packs each minute when the application permits.
Automatic Shrink Wrap Machinery from Kempner
Kempner has supplied packaging machinery and shrink wrap materials for more than 50 years. The company works with businesses across numerous production environments.
Its machinery range includes compact automatic sealers, standard L-sealers, side sealers and custom-built systems.
The company offers commissioning, equipment servicing and ongoing technical help. These services are intended to help businesses maintain dependable machine performance.
Automatic Shrink Wrapping FAQs
Can one machine wrap several product types?
Yes. Automatic equipment can often be configured to handle several product formats. However, the time required to switch products varies by machine.
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 packaging starts to restrict production.
Do automatic shrink wrap machines reduce packaging costs?
Cost savings may come from reduced manual work, steadier production and less wasted film. The machine must be matched correctly to the application.
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.