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A shrink bundle machine refers to a device that can wrap products using shrink film. It is mainly used for packing products into bundles and is often used alongside shrink film and boilers. The shrink bundle machine can pack a range of products, especially those in retail. Packing in bulk helps to improve visibility when it comes to shelf space.
Semi-automatic machines require the intervention of operators to load the products and film on the machine before starting the cycle. The operator might have to push the products on the conveyor and use a manual control to activate the machine. Once the products are in the shrink chamber, the machine automatically shrinks the film around the products. Once the shrinking is complete, the operator unload the products from the machine. In semi-automatic machines, standardized processes and training are required to ensure safety and effective use of the machines.
Semi-automatic shrink bundle machines include strapping, sleeving, and shrink tunnels. The bundle is secured with strapping material around it in strapping machines. The shrink tunnel then uses heat to shrink the material and create a tight fit around the product. In sleeving machines, a flexible plastic material referred to as a sleeve is used. The sleeve is placed around the product, and heat from the shrink tunnel causes it to conform to the product's shape.
Automatic machines are faster than semi-automatic models. While configuration may be necessary, they typically require less workforce to operate. Products moving along the conveyor belt are automatically fed into the machine without any operator intervention, which is ideal for businesses looking to increase productivity and efficiency. On the downside, automatic shrink bundle machines are more expensive than semi-automatic models due to complex technology and build that goes into creating them.
Similar to semi-automatic machines, in automatic machines operators will have to configure the machine to know how many products to bundle at a time. They may also have to run several tests to understand what settings are best to use for different products so that the end result has neat, uniform bundles. Employees will also have to run training on safety and how to operate the machine effectively.
Automatic shrink bundle machines include side and top entry configurations. In automatic side-entry shrink machines, the products are horizontally fed into the machine and later conveyed out. In top entry machines, the products are vertically placed into the machine and thereafter conveyed out horizontally. The top-entry configuration is usually a preferred option when dealing with tall and bulky products.
Simpler, smaller models are often powered by electricity. However, pneumatic shrink bundles machines are more common in industrial settings, where air pressure performs the task. The specification chart shows some basic specifications of a shrink bund machine.
Power Source:
Shrinking bundle machines powered by electricity will show a specified voltage in their specifications. For example, a typical voltage requirement is 110-220.
Air Pressure:
A shrink bundle machine's necessary air pressure will vary according to the model. A typical requirement is 3-7 bar.
Production Speed:
The machine's production speed will vary depending on the type of machine. A typical automatic machine can pack 30-50 bottles per minute.
Maximum Package Size:
Shrinking bundle machines are suitable for packaging products of different sizes. The maximum bundle size varies by machine. For example, Wenzhou Delong's shrink machine has a maximum bundle size of 450 mm (width) x 300 mm (height).
Dimensions and Weight:
Shrink wrap machines are different weights and sizes depending on their models. A typical large machine weighs in at approximately 70 kg, and the dimensions are 1800 (L) x 1000 (W) x 1500 (H) mm. A smaller, handheld machine will be much lighter and smaller.
Operating Temperature:
Shrink bundle machines have different operating temperatures according to their model and type. For example, the Delong shrink tunnel machine's operating temperature is 130-160 degrees.
Control System:
The control system in a shrink bundle machine may be PLC-based or digital. Different machines have different control features, such as temperature control, etc. Advanced shrink bundle machines have multifunctional controls that are user-friendly and allow for precise settings.
A shrink bundler machine helps improve packaging efficiency, and regular maintenance will keep it running smoothly. It's important to refer to the user's manual, as each machine will have maintenance instructions specific to its model.
Daily checks and cleaning:
Before starting work, do a quick inspection. Look for any loose, damaged, or worn parts. This includes checking the belts, chains, and components. Make adjustments as needed. Remove residual part material from the machine with a soft cloth.
Weekly maintenance:
Lubricate the moving parts as per the requirements in the user's manual. Use the specified oil for each component. Check the electrical connections, ensuring they are tight and secure. Inspect the air hoses for leaks, kinks, or damage.
Monthly maintenance:
Clean the fan blades. These get debris on them, affecting the machine's efficiency. Inspect and clean the heat elements. Look for blockages and remove any debris. Set the machine's operating parameters according to the manufacturer's suggested settings.
Shrink bundle machine is useful for various industries with multiple applications. Packaging multipacks and bundles is the most common and popular application of shrink bundle machines. The machines are meant to package together multiple products such as beverages, food, pharmaceuticals, and consumer goods, among others, into a single retail unit or a multipack. Products with different shapes or sizes with multiple quantities are grouped, positioned, and wrapped by shrink bundle machines to provide convenience for customers.
Shrink bundle machines are meant to enhance product visibility. The machines expertly package products together to ensure that customers see all the bundled products, which may increase their sales. Customers' attention is usually caught by the packaging, and they are more likely to purchase products that are skillfully and well packaged.
Shrink bundle machines can be used to package items with different shapes and sizes, including bundled snack foods, DVDs, toiletries, and sharp tools like machetes and kitchen knives, among others. Those that are not individually required or purchased. This includes packaging together and wrapping sporting goods, books, personal care items, and stationery in retail or wholesale settings. The need for separate packaging for each individual item is eliminated by this kind of shrink bundling.
The following factors will help business owners to choose the right type of shrink wrapping machine for their products.
Consider products and packaging sizes
Packaging sizes and products are the major factors influencing the type of shrink wrap to choose. Packaging machines are often manufactured to handle certain product sizes. Selecting a machine that can adequately handle the packaging size and product is integral for smooth, functionality and operation.
Assess production rates
As mentioned earlier, there are different types of shrink bundles machines. While some are suited for low-throughput settings, others are appropriate for high-production lines. Now, choosing a machine that matches the production rate desired is important for an efficient workflow.
Evaluate worker safety
Safety is very paramount when considering the shrink wrap to choose. It's important to consider the safety of employees around the machine. Choose a device that has safety guards, cool surfaces, and safety interlocks. This is necessary for low injury risks.
Consider flexibility and scalability
Also, don't forget to consider the machine's flexibility and scalability. Businesses may need to adjust packaging configurations and sizes due to changing product demands. Hence, it is important to choose a shrink wrap machine that offers flexibility. What this does is allow for quick changeover of packaging configurations. Additionally, selecting machines with upgrade options is necessary for scalability in the future.
Cost and budget considerations
Cost and budget considerations are inevitable in business settings. When selecting a shrink wrap machine for the business, one must ensure that the final investment aligned with the overall financial strategy of the organization. Consider the upfront costs, operational efficiency, and long-term value when making the selection.
Q1: What are the recent advancements in shrink machine technology?
A1: Recent developments include more intelligent features like automated product detection, adjustment, and error reporting. Some machines have touch-screen controls for more accessible production setting changes and a better control system for even shrink with less film usage. Power-saving technologies are also standard now, like streamlined heating elements that reach and maintain the required temperature quicker.
Q2: How does a shrink bundle machine impact packaging line efficiency?
A2: The machine speeds up the production of packages that need grouping, especially for retail. It eliminates the time-consuming step of manually wrapping products and reduces the rate of product errors and shrinkage now that films can be applied faster and more consistently with machines than by hand. Though there is an upfront cost in purchasing a machine, it will pay for itself in a short time by increasing the number of products that can be prepared for shipping in a day.
Q3: Are there trained technicians available to service shrink bundle machines?
A3: Finding a technician trained to work on shrink electronics and understanding modern concepts like circuits and coding is essential. If the machine has a faulty electrical component, sometimes repairs are as easy as changing a part instead of an entire system. In some cases, specialized service will be required to reprogram or repair a particular unit. It's a good idea to check the availability of qualified technicians before purchasing.
Q4: What role does material research play in shrinking machine effectiveness?
A4: As more films are developed, knowledge of each machine's ability to handle material will determine its efficiency. Some machines can only use specific kinds of films manufactured for particular sizes. Investigating what materials are adaptable to what machines will help in selecting one that can be used with several film choices.
Q5: What is the advantage of using a shrink bundle avoiding machine over manual bundling methods?
A5: A shrink bundle machine offers faster packaging speeds, consistent shrinkage, and tighter control over film usage compared to manual bundling methods. Automated shrink machines enhance labor efficiency, decrease product misrouting and handling, and provide a professional-looking package faster than any manual method could.
