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.
Inside the heat tunnel, the film contracts tightly around the product. This produces a consistent and professional-looking pack while limiting the amount of manual work required.
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?
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. Heat Tunnel
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.
Why Use an Automatic Shrink Wrapping Machine?
Automatic shrink wrapping offers a number of practical benefits for production businesses.
Higher Packaging Speeds
Automatic machines can package far more products than manual equipment. This makes them suitable for businesses with moderate or large production volumes.
Consistent Packaging
The machinery applies consistent settings to each product. This creates a neat and uniform appearance.
Reduced Labour Requirements
The machinery reduces the amount of hands-on packaging work. 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
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?
Automatic shrink wrap machinery is used across many industries because it combines speed with consistent pack quality.
The machinery is often used in:
- Food manufacturing
- Beverage production
- Household goods
- Printed materials
- Pharmaceutical packaging
- Consumer goods
- Manufactured 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.
An upgrade may be worth considering when:
- more info
- 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?
Different businesses need different machinery, so the correct system will depend on your products and production process.
Useful machine specifications include:
- Maximum operating speed
- Supported product sizes
- Seal quality and reliability
- Suitable film types
- Controllable tunnel temperatures
- Compatibility with existing conveyors
- Simple operator controls
- Low maintenance requirements
Machinery may be adapted for non-standard pack sizes and specific applications.
How Do Automatic and Semi-Automatic Machines Differ?
Semi-automatic systems depend on staff to carry out certain parts of the packaging process.
Automatic systems handle almost the entire cycle with limited operator involvement. 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?
Operating speeds differ based on the product, machinery configuration and complexity of the packaging process.
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 shrink wrapping equipment and packaging materials for over five decades. 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 support reliable long-term operation.
Questions About Automatic Shrink Wrap Machines
Can automatic shrink wrap machines package different products?
Yes. Many systems allow operators to change settings for different pack dimensions and product types. However, the time required to switch products varies by machine.
Are automatic machines only for large manufacturers?
It can be suitable for a small business with growing production volumes. Investment often becomes worthwhile when hand wrapping can no longer keep pace with orders.
Will an automatic machine save money?
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 product, machine configuration and packaging requirements.