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.
As the pack travels through the tunnel, heat makes the film contract around it. This produces a neat, secure package 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?
Most automatic shrink wrap machines use a similar packaging process, even when their designs differ.
1. Product Feeding
A conveyor automatically carries products into the wrapping equipment.
2. Film Wrapping
The machine places shrink film around the item ready for sealing.
3. Sealing the Pack
A sealing system joins the film securely around the item.
4. Shrinking the Film
The sealed product passes through a heated tunnel, causing the film to contract.
5. The Completed Pack
The packaged item leaves the line ready for handling, delivery or presentation in a retail setting.
What Are the Benefits of Automatic Shrink Wrap Machines?
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
The machinery applies consistent settings to each product. This creates a reliable and repeatable pack appearance.
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
Shrink film can help protect products from dust, moisture and tampering during handling, storage and transport.
Reduced Material Use
Many modern machines include settings that reduce unnecessary film use. This can limit wasted material without weakening the seal.
Which Industries Use Automatic Shrink Wrap Machinery?
Many sectors use automatic shrink wrapping equipment to package goods quickly and consistently.
Typical sectors include:
- Food production
- Drinks and beverages
- Domestic products
- Printed materials
- Pharmaceutical packaging
- 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?
Companies often begin with manual or semi-automatic systems before upgrading when output rises.
Signs that it may be time to upgrade include:
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- Employees spend a large amount of time wrapping products manually
- 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:
- Production speed
- Maximum product dimensions
- A reliable sealing system
- Compatible shrink films
- Adjustable temperature controls
- Conveyor integration
- Simple operator controls
- Servicing and maintenance needs
Custom configurations are available for unusual products or specialist production requirements.
What Is the Difference Between Automatic and Semi-Automatic Shrink Wrap Machines?
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 wrapping systems can produce approximately 25 to 40 packs each minute. For suitable products, high-speed side-sealing machines can process more than 100 packs per minute.
Automatic Shrink Wrap Machinery from Kempner
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.
Automatic Shrink Wrapping FAQs
Can automatic machines handle different product sizes?
Yes. Many systems allow operators to change settings for different pack dimensions and product types. However, changeover times depend on the machinery.
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.
Do automatic shrink wrap machines reduce packaging 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.
Can lower-impact shrink films be used?
Depending on the application, modern systems may accept recyclable film, recycled-content film or some compostable materials. Suitability depends on the type of film, pack format and machinery specification.