What Is an Automatic Shrink Wrap Machine?

An automated shrink wrapping 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 reducing manual handling.



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



A conveyor automatically carries products into the wrapping equipment.



2. The Product Is Wrapped



The machine places shrink film around the item ready for sealing.



3. The Film Is Sealed



The film is sealed around the product to prepare it for the shrinking stage.



4. Shrinking the Film



The sealed product passes through a heated tunnel, causing the film to contract.



5. The Completed Pack



Once wrapped, the completed product exits the machine and can be stored, distributed or displayed.



Advantages of Automatic Shrink Wrap Machinery



There are several reasons why manufacturers choose automatic shrink wrapping equipment.



Increased Output



Automatic machines can package far more products than manual equipment. This makes them suitable for medium- and high-volume production lines.



Repeatable Results



Each item passes through the same controlled wrapping process. This creates a consistent finish across the production run.



Less Manual Handling



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 handling, storage and transport.



Lower Film Waste



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
  • Domestic products
  • Printed materials
  • Pharmaceutical packaging
  • Consumer goods
  • 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.



An upgrade may be worth considering when:



  • 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


Automatic machinery often becomes more efficient as packaging demand increases.



Key Features to Check Before Buying



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
  • A reliable sealing system
  • Compatible shrink films
  • Adjustable temperature controls
  • Compatibility with existing conveyors
  • Straightforward machine controls
  • read more
  • Servicing and maintenance needs


Some systems can also be customised for unusual product dimensions or specialist packaging tasks.



What Is the Difference Between Automatic and Semi-Automatic Shrink Wrap Machines?



With a semi-automatic machine, an operator usually has to place the product or begin one or more stages.



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?



The number of packs produced per minute depends on product dimensions, equipment settings and the type of wrap required.



Many automatic shrink wrap 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.



Why Choose Kempner for Automatic Shrink Wrap Machines?



Kempner UK has supplied packaging machinery and shrink wrap materials for more than 50 years. The company works with businesses across numerous production environments.



Available equipment includes compact sealers, automatic L-sealers, side-sealing machines and tailored systems.



Kempner also provides commissioning, servicing and technical support. These services are intended to keep packaging equipment working reliably over the long term.



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.



Is automatic shrink wrap machinery suitable for small businesses?



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?



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 lower-impact shrink films be used?



Many current machines can use recyclable films, films containing recycled material and certain compostable options. Suitability depends on the application and equipment settings.

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