Food Industry Trends: Robot-assisted Workflows

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Smart, robot-assisted production and packaging will maximize profitability

Automation, Covid-19

Food Industry Trends: Robot-assisted Workflows
Food Industry Trends: Robot-assisted Workflows
Food Industry Trends: Robot-assisted Workflows
Food Industry Trends: Robot-assisted Workflows
Food Industry Trends: Robot-assisted Workflows
Food Industry Trends: Robot-assisted Workflows

Omron. A challenge accelerated by the Coronavirus pandemic has seen producers having to juggle between longer term range proliferation centred on consumer demands, and range [SKU’s] reduction caused by retailers’ and consumers’ rapidly changing buying habits. This has resulted in producers having to be even more agile with existing assets. These assets in the form of single or connected machines must therefore be more flexible than ever, meaning they must be supplied with the right material and packaging at the right time

To reduce storage costs and waste, companies in the industry want to produce only what is needed for shipping. Autonomous mobile robots (AMRs) and collaborative robots (cobots), as well as traditional industrial robots are being increasingly used in factories, replacing conveyor belts or accumulation/buffer stations. The challenge is to create a flexible, continuous production process for customer-specific manufacturing and to minimise costly, rigid and maintenance-intensive conveyor sequences, which usually take considerable space. Companies that break new ground by using innovative technologies not only gain agility, but also reduce scrap, contamination risk, waste and losses.


Future industry trends 

The latest Mintel report identified three key food and beverage trends that are likely to take hold by 2030:

● Developments such as sustainable nutrition and increasingly informed consumers
● The growing importance of food science and modern technology in manufacturing. In the future, companies will use state-of-the-art tools to bring more product innovations to market, shorten production times and increase trust in brands
● Optimisation of factory performance by controlling the flow of goods in the production and storage areas. This is the only way in which companies will be able to meet new retail and consumer demands. They must produce retail-ready items faster, using a high-mix, low-volume approach with no recalls

An important question in this context is: how can a project be realised cost-effectively and with a realistic return on investment (ROI)? A key focus is on smart production and packaging lines that can be easily reconfigured to meet changing market and consumer needs.


Five advantages of automation

The development, construction and the use of such a line requires sound knowledge and experience to ensure that the investment can reach its full potential. Anyone who carefully automates machine loading and unloading processes can benefit from five advantages:  

1. Employees can be increasingly deployed on value-adding tasks: they are no longer needed for routine tasks, as the machine can do these
2. All work steps can be reliably tracked, stored and analysed
3. Overall equipment efficiency (OEE) is improved by reducing machine stops and optimising availability and performance
4. Companies benefit from faster product changes 
5. Production lines can be quickly and easily modified to meet new needs and require less space than conventional static systems


The benefits of AMRs and cobots

Many companies in the food industry are planning more flexible and seamless production and packaging lines for customer-specific products. This will minimise the need for expensive and inflexible conveyor processes. Easily configurable production lines will ideally consist of collaborative and flexible transport and transfer solutions, tailored to specific production environments. 

Examples include robots, AMRs, cobots and more recently solutions that combine two. Their tasks include the transport of work in progress (WIP) stock between sites or adjacent areas, with the process being managed and controlled by a special fleet management solution. Reconfigurable systems in the food industry link assets and reduce costs by storing only what’s needed on the route. Traceability of all stock levels also reduces downtime. At the same time, trip hazards can be decreased, and employees supported.


Minimising errors and strengthening traceability

To avoid production downtimes, line side replenishment (LSR) must take place in good time, with a focus on the loading of raw materials, packaging of containers and the dispensing of finished goods. Palletisers play a central role in increasing this latter topic, enhancing productivity, flexibility and traceability of the production process. Innovative robotic solutions help to improve throughput in these areas. 

Examples are a SCARA solution for loading bottles or other containers, robots that load carton and case erectors and high-speed parallel robot solutions for the orientation and alignment of raw materials and primary/secondary packaged items. Traceability within the process can be ensured via reading and verifying item level and batch level labelling and integrated image processing systems.


Innovative solutions for safe and reliable shipping 

The handling and dispatching of goods are also undergoing numerous changes, as retailers want to reduce costs and personnel related expenses in this area. Food companies face the challenge of picking, placing and sorting incoming products simultaneously. Careful product handling ensures line throughput, reduces waste and prevents damaged goods from entering the downstream process. 

Automation can help to protect the product and improve the OEE of a machine or line, by reducing downtime. At the primary product stage, where fast, accurate, repeatable and efficient handling is required, Delta robots are often the solution. Customised software also enhances flow rates and recipe handling. One controller takes care of all functions (such as motion, vision, safety and robotics). 

Product-friendly conveyor control can be achieved by the automatic positioning of the goods on a conveyor. Omron's Sysmac control platform, for example, features Smart Conveyor Function Blocks (FBs) that control the distances and positioning of products, reducing product damage and improving throughput.

Robert Brooks, Omron Europe's Industry Manager Food and Beverage

Posted on April 26, 2021 - (409 views)
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