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.
Inside the heat tunnel, the film contracts tightly around the product. This produces a neat, secure package while reducing manual handling.
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 maintain steady packaging quality during long production runs.
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 enter the machine by conveyor or through an integrated production line.
2. Shrink Film Positioning
Each product is surrounded by shrink film before it reaches the sealing section.
3. Automatic Sealing
A sealing system joins the film securely around the item.
4. The Pack Enters the Heat Tunnel
Heat is applied as the pack moves through the tunnel, tightening the film around the product.
5. Pack Exit
The finished pack leaves the machine ready for storage, transport or retail display.
What Are the Benefits of Automatic Shrink Wrap Machines?
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.
Consistent Packaging
Every pack is wrapped using the same machine settings. 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 handling, storage and transport.
More Controlled Film Consumption
Automatic systems can regulate film use more closely than manual wrapping. This can limit wasted material without weakening the seal.
Which Industries Use Automatic Shrink Wrap Machinery?
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
- 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?
A manual or semi-automatic machine may be suitable at first, but higher production levels can make automatic equipment more practical.
An upgrade may be worth considering when:
- 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
Automatic machinery often becomes more efficient as packaging demand increases.
Key Features to Check Before Buying
The right machine depends on the products being wrapped and the requirements of the production line.
Points to check include:
- more info
- Production speed
- Supported product sizes
- Seal quality and reliability
- Suitable film types
- Controllable tunnel temperatures
- Compatibility with existing conveyors
- Straightforward machine 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
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.
The main results are higher throughput, greater consistency and less operator involvement.
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. 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.
The company offers commissioning, equipment servicing and ongoing technical help. These services are intended to help businesses maintain dependable machine performance.
Frequently Asked Questions
Can automatic machines handle different product sizes?
Yes. Automatic equipment can often be configured to handle several product 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.
Can automation lower shrink wrapping costs?
They can reduce labour needs, improve efficiency and limit film waste when correctly specified. The machine must be specified according to the required packaging process.
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.