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.
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.
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?
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
The machine places shrink film around the item ready for sealing.
3. Sealing the Pack
The machine forms a precise seal around the product.
4. 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 businesses with moderate or large production volumes.
Uniform Pack Quality
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
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
- Books, magazines and other printed goods
- Pharmaceutical products
- General consumer products
- Manufactured components
- Retail multipacks
Depending on the machine configuration, shrink wrapping can be used for individual products, promotional packs or larger grouped items.
Should Your Business Upgrade to an Automatic Machine?
Companies often begin with manual or semi-automatic systems before upgrading when output rises.
Signs that it may be time to upgrade include:
- Employees spend a large amount of time wrapping products manually
- Production volumes are continuing to rise
- Pack consistency varies depending on the operator
- The business needs to increase production without employing additional packaging staff
- The production line requires continuous packaging
Automatic machinery often becomes more efficient as packaging demand increases.
Key Features to Check Before Buying
Machine selection should be based on product size, output targets and packaging requirements.
Points to check include:
- Maximum operating speed get more info
- Supported product sizes
- Seal quality and reliability
- Suitable film types
- Adjustable temperature controls
- Conveyor integration
- 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 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 more appropriate for high daily packaging volumes.
This can provide faster production, repeatable pack quality and reduced manual work.
What Is the Operating Speed of an Automatic Shrink Wrap Machine?
Operating speeds differ based on the product, machinery configuration and complexity of the packaging process.
Many automated shrink wrapping machines can produce between 25 and 40 packs per 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 many different industries.
Its machinery range includes compact automatic sealers, standard L-sealers, side sealers and custom-built systems.
Kempner also provides commissioning, servicing and technical support. These services are intended to help businesses maintain dependable machine performance.
Frequently Asked Questions
Can one machine wrap several product types?
In many cases, yes. Many systems allow operators to change settings for different pack dimensions and product types. 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 manual packaging starts to restrict production.
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 product, machine configuration and packaging requirements.