An automatic shrink wrap machine is a packaging system that automatically receives products from a conveyor or production line. It then covers the product with 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 cutting the need for hands-on wrapping.
Unlike manual packaging systems, automatic machines are designed for continuous production. Once the correct settings have been entered, the equipment can maintain steady packaging quality during long production runs.
How Does Automatic Shrink Wrap Machinery Work?
The exact machinery may vary, but the basic shrink wrapping process is usually similar.
1. Product Feeding
Products are transferred into the machine using a conveyor system or connected production line.
2. Film Wrapping
Each product is surrounded by shrink film before it reaches the sealing section.
3. Sealing the Pack
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. Finished Package
The finished pack leaves the machine ready for storage, transport or retail display.
Why Use an Automatic Shrink Wrapping Machine?
There are several reasons why manufacturers choose automatic shrink wrapping equipment.
Faster Production
Automated systems usually process substantially more packs than manual machinery. 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 consistent finish across the production run.
Reduced Labour Requirements
Operators spend less time wrapping products by hand. 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 warehousing and delivery.
Reduced Material Use
Current machinery often includes controls designed to limit excess film consumption. 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.
Common applications include:
- Food production
- Drinks and beverages
- Household goods
- Books, magazines and other printed goods
- Pharmaceutical products
- General consumer products
- Industrial components
- Retail multipacks
Depending on the machine configuration, shrink wrapping can be used for individual products, promotional packs or larger grouped items.
When Should You Invest in an Automatic Shrink Wrap Machine?
Companies often begin with manual or semi-automatic systems before upgrading when output rises.
An upgrade may be worth considering when:
- Employees spend a large amount of time wrapping products manually
- Your required output is increasing
- Packaging quality differs between operators
- You need greater output without adding more labour
- The production line requires continuous packaging
As production grows, an automatic system can provide greater efficiency and more predictable output.
What Features Should You Look for in an Automatic Shrink Wrap Machine?
The right machine depends on the products being wrapped and the requirements of the production line.
Points to check include:
- Production speed
- Maximum product dimensions
- Seal quality and reliability
- Suitable film types
- Controllable tunnel temperatures
- Compatibility with existing conveyors
- Simple operator controls website
- Low maintenance requirements
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.
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.
Businesses gain more predictable output while relying less on hands-on packaging.
How Many Packs Per Minute Can an Automatic Machine Produce?
Production speed varies according to product size, machine layout and packaging complexity.
Many automated shrink wrapping machines 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.
Kempner Automatic Shrink Wrapping Systems
Kempner UK has supplied packaging machinery and shrink wrap materials for more than 50 years. The company works with businesses across many different industries.
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 support reliable long-term operation.
Automatic Shrink Wrapping FAQs
Can one machine wrap several product types?
Yes. Most machines can be adjusted for different product sizes and formats. However, some equipment can be changed over more quickly than others.
Can a small business use an automatic shrink wrap machine?
Automatic equipment may suit a small business when packaging demand begins to rise. Investment often becomes worthwhile when hand wrapping can no longer keep pace with orders.
Will an automatic machine save money?
A suitable machine may lower labour requirements, increase output and control material use. The machine must be specified according to the required packaging process.
Can automatic shrink wrap machines use sustainable films?
Some automatic machines are compatible with recyclable, recycled-content and selected compostable shrink films. Suitability depends on the product, machine configuration and packaging requirements.