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A Guide to Polyurethane Conveyor Belts

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Need to know more about Polyurethane (PU) conveyor belts?

In this guide, we’ll explain what PU conveyor belts are, why they’re used, and how they can benefit your production line.

What is Polyurethane?

Polyurethane, often called PU, is a type of flexible plastic material made by combining special chemical compounds. It’s known for being both strong and lightweight, which makes it ideal for manufacturing conveyor belts.

The material is resistant to water, oil, and chemicals, and it doesn’t absorb moisture. This is one reason why PU is so commonly used in industries where hygiene is important, such as food processing and pharmaceuticals.

pu conveyor belt blue

The Key Benefits of Using PU Belts

Hygiene and Safety

As mentioned above, PU belts are widely used in the food and pharmaceutical industries because they’re easy to clean and compliant with international safety standards. A clean belt helps reduce downtime and keeps your production line running efficiently.

High Durability

Polyurethane is highly resistant to cuts, tears and abrasion. With proper care, PU conveyor belts typically last anywhere from 3 to 5+ years.

Smooth and Quiet Operation

PU belts produce less friction, which helps reduce noise on the production floor. A quieter environment often leads to a safer and more pleasant workspace.

pu belt conveyors

Where Are PU Conveyor Belts Used?

PU conveyor belts are common across many sectors, including:

  • Food processing – transporting meat, baked goods, dairy and packaged products.
  • Pharmaceuticals – handling delicate items while maintaining hygiene.
  • Packaging lines – supporting efficient, fast moving production.
  • Logistics and e-commerce – helping goods move quickly through warehouses.

Their adaptability to different industries makes them one of the most practical options for modern conveyor systems.

Are PU Belts Better Than PVC Belts?

Yes. PU belts are stronger, easier to clean and last longer than PVC belts in most situations. While PVC can still be suitable for light duty applications, PU is often the better investment for long term use.

What Temperatures Can They Handle?

Polyurethane conveyor belts perform well in a wide range of temperatures. Most standard PU belts can handle continuous operating temperatures between -30°C and +80°C.

For applications that involve short bursts of heat, such as baking, packaging, or heat-sealing, some specialised PU belts can withstand temperatures up to +100°C. This makes them an excellent choice for production lines where products move from cold to hot environments.

pu belt conveyors

Choosing the Right PU Belt

Every business is different, and the right belt depends on your industry, product type, and operational demands. At Unitech Conveyors, we work closely with our customers to find the best fit for their systems.

Whether you run a food production line, a packaging facility, or an automated warehouse, PU belts offer a combination of strength, hygiene, and reliability that can benefit your operations.

For any help or enquiries – simply contact us today on 01543 675800 or drop us an email – info@unitech.uk.com

The Benefits of Modular Belt Conveyors

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Modular belt conveyors have become a popular choice for many UK businesses, so we thought it’s time to have a good look at what makes them special and why it may be worth the investment to help keep your production line moving, both safely and efficiently.

What is a Modular Belt Conveyor?

A modular belt conveyor system uses plastic links or ‘modules’ connected together to form a belt. These links snap together, (a bit like lego) to form a continuous surface that moves products along a production line.

This design makes them ideal for applications which require frequent cleaning, handling of sharp items, or navigating tight turns.

And because the belt is made from separate pieces, it’s easy to take apart and put back together. That simple feature is one of the biggest reasons companies choose modular belts.

slat belt conveyors

What are the Key Benefits?

1. Easy to Clean, Easy to Maintain

Modular belts are often made from food-grade plastic and designed for quick disassembly, allowing for easy cleaning. The open-hinge design allows water and cleaning agents to reach all parts of the belt, ensuring thorough sanitation.

What’s more, if something breaks, you don’t have to replace the whole belt. Just pop out the damaged link and clip in a new one!

2. Built to Last

Modular belts are tough. The plastic materials used are designed to handle heavy loads and sharp items. They don’t tear or stretch like rubber belts can.

This strength means fewer stoppages and fewer breakdowns.

3. Handles More Than Just Straight Lines

We’ve been in the game for a long time, so trust us when we say that traditional belts don’t like corners. For modular belt conveyors however – it’s not a problem. They can be customised to fit various layouts, including curves, inclines, and declines.

4. Hot or Cold Products Can Be Transported

Modular belt conveyors work well in both hot and cold environments. The plastic modules can handle high temperatures, such as freshly baked goods, without warping. At the same time, they stay strong and reliable in frozen storage areas.

You don’t have to worry about belts cracking, melting, or wearing out too quickly.

Transfer Conveyors
modular belt conveyors

Do They Cost More Than Standard Belts?

Yes, it’s likely a modular belt will be more expensive when compared to buying other belt types.

But for most businesses, the pros far outweigh the cons. And the money saved on repairs and downtime often covers that upfront cost pretty quickly. For example, you are far likely to experience fewer jams and less wasted energy starting and stopping machines.

What Industries Use Modular Belt Conveyor?

Modular belts are used in many industries across the UK and worldwide:

  • Food processing
  • Packaging lines
  • Logistics
  • Bottling plants
  • Pharmaceuticals
  • Recycling and waste management

And they’re only becoming more and more popular. According to a forecast report, the global modular conveyor belt market was valued at approximately USD 1.2 billion in 2023 and is projected to reach around USD 2.4 billion by 2032.

Interested? Talk to an Expert

We’ve been designing conveyor systems for years. We don’t just sell you a conveyor system, we help you find the right setup for your process. We look at your site, your products, and your goals. Then we build a modular conveyor system that works exactly the way you need it to.

Whether you need one conveyor or a full system, we’re ready to help. Simply contact us today on 01543 675800or drop us an email – info@unitech.uk.com

The Role of Automation in Modern Conveyor Systems

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In this article, we take a look at how automation is reshaping how conveyor systems work – not just by moving things faster, but by changing how entire facilities operate. It’s not about replacing people; it’s about letting technology do the heavy lifting, literally and metaphorically, so skilled workers can focus on smarter, safer tasks.

What is Automation in Conveyor Systems?

An automated conveyor system helps improve the movement and handling of products. It means more intelligence, consistency and less reliant on human input. It combines sensors, control software, data collection and, in some cases, robotics to create a conveyor system that can think for itself.

This could be a simple system that slows the belt when it senses a blockage or something more complex, like a conveyor that adjusts speed in real-time based on production demand. Some systems can track individual items, adjusting spacing and orientation automatically depending on what’s needed at the next stage.

food conveyor automation

Why it Matters

There’s a lot of hype around automation, but let’s talk about real world impact.

In the food industry – automation could result in fewer product recalls thanks to better handling and tracking.

In pharmaceuticals – it can help reduce contamination risk by removing unnecessary human touchpoints.

And in beverages – automation is designed to keep up with the massive output demanded by global supply chains – without any bottlenecks.

The key here is that automation doesn’t just improve throughput. It supports hygiene, traceability, and operational consistency – critical in regulated sectors like food and pharma.

3 Things Automation Can Do That’s Often Overlooked

1. Future Proof Factories

Many production lines run multiple product variants. Traditionally, this meant stopping the line and manually adjusting the system. Automated conveyors now allow rapid, software driven changeovers. This means less downtime and more flexibility to respond to consumer trends, limited editions, or seasonal shifts without halting production.

2. Provide Safer Conveyor Systems

Safety is one of automation’s biggest, but least talked about, wins. Sensors can detect blockages or misaligned products and stop the system immediately. Automated systems can spot anomalies and remove unsafe items from the line. What’s more, there’s a lot less manual lifting and sorting required, reducing the risk of repetitive strain injuries among staff.

3. Aid Staff Shortages

Many companies struggle to hire enough staff, especially for repetitive or physical jobs. Automated conveyors can take on dull, tough tasks, allowing real people to focus on work that needs human skill, such as quality checks.

end of line roller conveyors

How to Spot a Conveyor That’s Ready for Automation

Sometimes, the best time to automate isn’t obvious. Here are a few signs your production line may be ready:

  • Frequent breakdowns that stop production.
  • Manual interventions to keep things moving.
  • Difficulty scaling up without adding more labour.
  • High error or contamination rates in product handling.

These aren’t failures; they’re signs your system is doing its job but could do it better with some digital support.

Common Challenges when Automating Conveyors

Automation is powerful, but it’s not plug-and-play. One challenge is integration – making sure new automated conveyors talk properly to older equipment or existing software.

Then there’s complexity. Highly automated systems require regular calibration and occasional retraining of staff to understand how the systems behave. It’s why we would advise to start small, prove value, and scale gradually. Don’t try to automate everything overnight.

What Does the Future of Automated Conveyors Look Like?

We’re starting to see AI (artificial intelligence) get involved. AI can look at all the data from your line and make suggestions. It might spot patterns humans would miss. For example, it could find that products move slower every Friday afternoon – maybe due to staff fatigue or layout issues.

Also, energy saving tech is growing. Smart conveyors can now adjust their power use based on how full the line is. This cuts costs and helps with green targets. According to the International Energy Agency, smart manufacturing could cut industrial energy use by 20% by 2040 (source). That’s a big deal.

conveyor automation

How to Get Started with Automation?

Start small. You don’t need to rebuild your whole plant overnight. Adding sensors, timers, or basic PLC controls (short for programmable logic controller) can already make a big difference. You can then build up to more advanced systems over time.

Working with a supplier that understands your needs (such as ourselves) can help you find the right setup. Every plant is different. Your layout, product type, and output levels all matter when choosing the right tech.

So if you’re looking to modernise your conveyor systems, feel free to get in touch today on 01543 675800. We’ll help you find the right fit for your line. Because sometimes, the smartest automation starts with a good conversation.

A Guide to Roller Conveyors

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Whether you’re shipping out orders or moving materials through manufacturing processes, your business will benefit from the right roller conveyor for the task at hand. This guide on roller conveyors will help you select the best option for your unique needs. Let’s roll straight in!

What is a Roller Conveyor?

A roller conveyor is a material handling system that uses a series of rotating cylinders to move goods or materials along a path. These rollers are mounted on a frame and can be powered (by motors) or unpowered (gravity fed), allowing items to roll along the surface with minimal effort.

Roller Width and Pitch

The width of the rollers and the pitch – the distance between each roller – are critical for conveyor efficiency. Proper selection ensures items are supported adequately and move smoothly, preventing jams or damage.

Gravity Roller Conveyors

Tighter Pitch: A tighter roller pitch is beneficial for smaller items or products that require more support and stability during transportation. It minimises the risk of items getting stuck or falling between the rollers, ensuring smooth and uninterrupted movement. Industries such as food and beverage, pharmaceuticals, and packaging often benefit from tighter pitches to handle smaller packages or containers with precision.

Wider Pitch: A wider roller pitch is suitable for larger items or products with irregular shapes that require more space between rollers. It allows for easier movement and reduces the risk of jams or obstructions, particularly for bulky or irregularly shaped items. Industries such as manufacturing, automotive, and construction often utilise wider pitches to accommodate larger components or products.

Types of Roller Conveyor Systems

Roller conveyors are available in various configurations to meet different operational needs. The two main types are:

Gravity Roller Conveyors

Gravity roller conveyors rely on the natural force of gravity to move materials along the conveyor path. As goods are placed on the rollers, they roll downhill to their destination without the need for external power. These conveyors are ideal for applications where a gentle slope and manual loading/unloading suffice.

Typical Applications

  • Warehousing and Distribution Centres – For order fulfilment and shipping operations.
  • Manufacturing Facilities – For assembly lines, product staging, and material transfer.
  • Retail – For stock replenishment, sorting, and order picking processes.
  • Airport Baggage Handling – For efficient luggage transport and sorting.
Gravity Roller Conveyors

Powered Roller Conveyors

Powered roller conveyors utilise motors to drive the rollers. These conveyors offer greater flexibility, making them suitable for high volume and automated operations. They can be customised with features such as sensors and programmable logic controllers (PLCs) for precise handling.

Typical Applications

  • Distribution and Fulfilment Centres – Sorting, merging, and diverting parcels and packages for shipping and distribution.
  • Manufacturing Facilities – Moving components, parts, and assemblies between production stages for assembly, inspection, or packaging.
  • Food and Beverage Processing – Handling trays, containers, and packages in food processing and packaging operations.
  • Automotive Industry – Transporting automotive components, parts, and assemblies along assembly lines for manufacturing and assembly processes.
powered roller conveyor system

Powered vs Gravity Conveyors

While both types have their advantages, choosing between powered and gravity roller conveyors depends on several factors – for example: your required throughput, budget, and the level of automation desired. Gravity conveyors are cost effective and low maintenance but are limited in their capabilities compared to powered systems, which offer greater control and efficiency.

The Top 5 Benefits of Using a Roller Conveyor

  1. Efficiency: Roller conveyors streamline material handling processes, reducing manual labour and increasing throughput.
  2. Safety: Prevents accidents caused by heavy lifting and moving heavy objects.
  3. Scalability: Easily expandable and reconfigurable, they can grow and adapt to changing business needs.
  4. Durable and Hygienic: Our stainless steel roller conveyors are built to withstand harsh industrial environments and heavy usage, as well as being easy to clean.
  5. Cost Effective: With minimal maintenance required and a long service life, roller conveyors offer a high return on investment over time.
end of line roller conveyors

Choose the Right Roller Conveyor for Your Business at Unitech

At Unitech Conveyors, we specialise in designing and manufacturing stainless steel conveyor systems tailored to your specific needs. With our expertise and a broad range of roller conveyor options, we’ll ensure that you choose the right system for all your handling processes. We’re here to help drive your business forward in today’s competitive market.

Contact us today on 01543 675800 to learn more about our stainless steel conveyor systems. We’re always happy to advise you and answer any queries you may have.

The Role of Conveyors in the Food Industry

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Conveyors are the backbone of material handling in the food industry. These mechanical workhorses play a pivotal role in transporting raw ingredients through various stages of production until they reach the packaged products lining our shelves. As a UK specialist of conveyor systems, we’re here to shed some more light on them and how they can play an important part in your food business if you decide to make an investment.

The Foundation of Conveyors in Food Processing

The evolution of conveyors in the food industry can be traced back to the early 20th century when the assembly line concept gained traction. Factories sought ways to optimise production processes, and conveyors emerged as a groundbreaking solution. The conveyor belt, a simple yet ingenious invention, revolutionised material handling, enabling a continuous flow of goods and reducing the reliance on manual labour.

Fast forward to the present day, and conveyors have become indispensable in the food industry. The diversity of conveyor types allows for tailored solutions, each serving a unique purpose. But what types are there to choose from?

Types of Conveyors Used in the Food Industry

Belt Conveyors

Belt conveyors consist of a continuous belt and are available in various configurations to handle a diverse range of food products. Unitech specialises in three distinct types: modular belt conveyors, PU (Polyurethane) belt conveyors, and wire belt conveyors.

Modular belt conveyors feature interlocking plastic modules that link together, forming a continuous belt. The modular structure makes cleaning and maintenance easy as each section can be quickly replaced, helping to minimise downtime.

PU belt conveyors use belts made of polyurethane, a durable material known for its resistance to abrasion and ease of cleaning. PU belts are preferred for their smooth and non-porous surfaces, making them ideal for transporting sensitive food products while ensuring high hygiene standards.

Wire belt conveyors utilise a mesh of interlinked metal wires to form a continuous belt. These conveyors are well-suited for handling items with high temperatures or those requiring air circulation. Ideal for bakery and confectionary products.

pu conveyor belt blue

Roller Conveyors

Employing a series of rollers to move materials, roller conveyors are particularly efficient for handling heavier loads. They play a crucial role in the packaging stages of food production, providing an efficient means of transporting boxes, cartons, and loaded pallets.

Depending on your requirements, these conveyors can be either powered or non-powered. Powered roller conveyors are equipped with motors, enabling automated movement for improved throughput. In contrast, non-powered roller conveyors rely on gravity or manual force, offering a cost effective solution suitable for less demanding applications.

Gravity Roller Conveyors

Spiral Conveyors

Spiral conveyors represent a unique and innovative solution in the world of material handling, particularly in the food industry where space optimization is crucial. These conveyors are designed in a helical shape, allowing them to move products vertically or in a spiral pattern between different levels of a facility.

The primary advantage of spiral conveyors lies in their ability to conserve floor space, making them invaluable for facilities with limited square footage.

spiral conveyors

Chain Indexing Conveyors

Chain indexing conveyors operate using a chain mechanism that moves materials in a controlled, indexed manner. These conveyors are particularly effective for assembly lines and ‘start – stop’ applications, where products are moved in a series of steps rather than a continuous flow.

chain indexing conveyors

Vibratory Conveyors

As the name suggests, vibratory conveyors use vibrations to move materials along a trough. These conveyors are particularly effective for delicate products such as fruit, vegetables, snack foods, cereals and grains. The vibratory motion is designed to help prevent damage during transport.

Vibratory Conveyors

How Food Conveyors Can Help Your Business

So you’ve chosen the type of conveyor(s) that’s suitable for your business. What should you expect in return?

Quite a lot actually! For example, one of the biggest advantages of a conveyor system lies in its ability to replace manual labour. Not only does this reduce the likelihood of errors in sorting, packing etc –  it means you can optimise your workforce, reallocating human resources to more complex and value added tasks. 

Modern conveyor systems are also highly adaptable to different layouts and production requirements. So whether it’s a straight-line configuration you require or a complex network of curves and elevations, conveyors can be customised to meet the unique needs of each food manufacturing facility.

Reduced manual handling, minimal downtime, and a continuous production flow are all things that can help improve the efficiency and cost savings of your production line.

Ensuring Food Safety and Quality

In the food industry, maintaining the highest standards of safety and quality is not just a regulatory requirement but a fundamental responsibility. Food conveyors play a crucial role in achieving these objectives, contributing to the integrity of the entire production process.

One of the primary challenges in food processing is the risk of contamination. Food conveyors address this concern by minimising human contact with the products. Unlike manual handling, which can introduce unwanted elements into the production line, conveyor systems create a controlled and hygienic environment. The surfaces of conveyor belts are designed to be easily cleaned and sanitised, reducing the chances of bacterial growth and cross-contamination.

Furthermore, the use of conveyors allows for the implementation of advanced technologies such as checkweighing and metal detector systems. These systems can be seamlessly integrated into the conveyor line, providing an additional layer of protection against foreign objects and ensuring that only products meeting stringent quality criteria move forward in the production process.

What Food Businesses Use Conveyors?

Conveyors are widely employed in different businesses, ranging from small-scale operations to large industrial facilities. Here are some examples of food businesses that often use conveyors:

poultry conveyor system
  • Bakeries – for transporting dough, baked goods, and other bakery ingredients.
  • Beverage Industry – for moving cans, bottles and soft drinks.
  • Dairy Industry – for handling dairy products such as milk, cheese, and yoghurt.
  • Meat and Poultry Plants – for transporting raw meat, poultry and processed meat products.
  • Fruit and Vegetable Processing – for the movement of fruits and vegetables during washing, sorting, cutting, and packaging processes.
  • Seafood Processing Plants – for handling fish, shellfish, and other seafood products.
  • Snack Food Manufacturing – for handling snack foods such as crisps and nuts.
  • Frozen Food Production – for handling a wide range of frozen food products.
  • Confectionery Industry – for transporting chocolate, sweets and other confectionery items.
  • Grain and Cereal Processing – for safely moving grains and cereals.

What Role Does Unitech Play?

So we now know what role conveyors play in the food industry, but how do we play our part? At Unitech, we are able to provide all the conveyor systems we mentioned above in order to help grow your business. Get in touch with us today for a quote on any of our conveyors or simply contact us on 01543 675800 for more information. We’ll be happy to help.

    New Website

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    Welcome to our new website. Unitech Conveyors invites you to explore our new website. This links back to our new group marketing strategy, so expect lots more to come. For more information on our group please view the Unitech Group site.

    Our new site has been created with the customer experience in mind, the site includes many new features to help users quickly and easily navigate the site and find the right product or service that they require.

    Visitors to the site can stay informed with the latest Unitech Conveyors updates through the news and case study pages. Please supply us with your email address in the relevant forms so we can keep up to date.

    At Unitech Conveyors we aim to make your life easier, so whatever your requirements are get in touch.
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