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 consistent and professional-looking pack while reducing manual handling.
Unlike manual packaging systems, automatic machines are designed for continuous production. Once the correct settings have been entered, the equipment can wrap products repeatedly using the same settings.
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 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.
Why Use an Automatic Shrink Wrapping Machine?
Automatic shrink wrapping offers a number of practical benefits for production businesses.
Higher Packaging Speeds
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.
Uniform Pack Quality
Each item passes through the same controlled wrapping process. This creates a consistent finish across the production run.
Less Manual Handling
Staff are not required to carry out every stage manually. Employees can then focus on other production duties.
Added Protection During Distribution
The wrapped film provides a barrier against dust, moisture and interference during handling, storage and transport.
Reduced Material Use
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
- Drinks and beverages
- Household goods
- Printed materials
- Pharmaceutical packaging
- General consumer products
- Industrial components
- Grouped retail packs
The equipment can be configured to wrap single products, promotional bundles and grouped goods.
When Should You Invest in an Automatic Shrink Wrap Machine?
A manual or semi-automatic machine may be suitable at first, but higher production levels can make automatic equipment more practical.
You may need an automatic machine if:
- Manual wrapping takes up too much staff time
- Your required output is increasing
- Packaging quality differs between operators
- 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?
Different businesses need different machinery, so the correct system will depend on your products and production process.
Useful machine specifications include:
- Maximum operating speed here
- Supported product sizes
- Seal quality and reliability
- Suitable film types
- Controllable tunnel temperatures
- Compatibility with existing conveyors
- Straightforward machine controls
- Low maintenance requirements
Custom configurations are available for unusual products or specialist production requirements.
Automatic Versus Semi-Automatic Shrink Wrapping Machinery
Semi-automatic equipment still requires an operator to position products or start part of the wrapping cycle.
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.
The main results are higher throughput, greater consistency and less operator involvement.
How Fast Can Automatic Shrink Wrap Machines Operate?
Production speed varies according to product size, machine layout and packaging complexity.
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 packaging machinery and shrink wrap materials for more than 50 years. The company works with businesses across many different industries.
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 keep packaging equipment working reliably over the long term.
Questions About Automatic Shrink Wrap Machines
Can automatic shrink wrap machines package different products?
In many cases, yes. Most machines can be adjusted for different product sizes and formats. However, changeover times depend on the machinery.
Can a small business use an automatic shrink wrap machine?
It can be suitable for a small business with growing production volumes. 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 properly selected for the products and production targets.
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 type of film, pack format and machinery specification.