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You are here: Home / AMRs / How 2 AMRs helped manufacturer achieve productivity gains

How 2 AMRs helped manufacturer achieve productivity gains

January 19, 2021 By Steve Crowe Leave a Comment

MiR AMRs TBSI

TB Spain Injection (TBSI) specializes in the transformation of plastic materials by injection for the automotive sector. The products manufactured in its plant located in Vigo, Spain form the components for car seats, electrical wiring, and engine compartments that are built into into vehicles produced by PSA Group, Volkswagen, Renault-Nissan and Ford.

With a workforce between 40 and 50 workers, the plant has 15 plastic injection, welding and parts assembly machines together with a warehouse for raw materials and finished products. The production lines operate 5 days a week in three shifts per day.

Challenge

The supply of packaging materials used to be carried out manually. Two warehouse workers were responsible for transporting pallets with boxes, using a forklift truck, through the production area. The pallets would be deposited next to the machines so that the operator could access them.

They often delivered more materials than was needed to ensure the operator always had what was required. However, this caused pallets to accumulate around the machines, taking up too much floor space and posing a risk of the operator tripping over them by accident.

“We needed to streamline the distribution of the machinery and the flow of materials in the plant, in order to recover space useful for production, optimise the actual production surface area, and increase output with the implementation of more machines in the same factory floor space that we have at present,” said TBSI plant director Manuel Canitrot.

Solution: AMRs to the rescue

TBSI purchased two MiR200 autonomous mobile robots (AMRs) from Mobile Industrial Robots (MiR) for the internal transport of materials. The robots travel approximately 100 km per month, transporting packaging materials from the warehouse to the production lines.

When a worker needs a delivery of materials, he calls up the robot with a PDA device using a QR code that contains the information the robot needs to find where the materials are located. The robot goes to the correct warehouse shelf, and the materials are automatically loaded onto the robot’s shelf unit. The AMR then starts its journey to the production point.

The MiR200 AMRs work 24 hours a day during the three shifts TBSI operates daily at the plant. The AMRs have covered about 500 kilometers since they were first integrated, so the company estimates they travel an average of 100 kilometers a month.

What interested TBSI most about the MiR200 AMRs at the beginning was their size and load carrying capacity, as their intention was to implement them as an alternative to forklifts and pallets on the factory floor and free up more space in the plant for production. In addition, the AMRs have to pass through two doors on their way between production and the warehouse and at the same time be able to transport considerable weight at times, between the upper shelf module and multiple packages of finished products.

“Of course, other key factors that helped us make the decision to opt for MiR robots are their ease of configuration and use and their flexibility, features that have allowed us to adapt them to meet our automation needs, as well as the support and assistance offered by MiR,” says Lucia Regueira.

Results

With this new process, the workers on the line receive the exact amount of materials they need when they need them. TBSI has also eliminated the presence of pallets on the floor around the machine operators.

“With the floor space we have recovered by eliminating the use of pallets, we have been able to increase the number of production machines from the 9 we had to the current 15,” said Canitrot.

This translates into savings of up to 16 hours a day in terms of human labor, equivalent to the work of two operators who have now been assigned to more valuable tasks in the warehouse.

Case Study Breakdown

Company: TB Spain Injection
Location: Vigo, Spain
Industry: Plastics manufacturing
Challenges: Optimizing production
Robot: 2 MiR200 autonomous moile robots
Task: Materials handling

“This is very important as it allows us to optimize our human resources and allocate our staff’s working time to much more productive tasks,” said Lucia Regueira, the plant’s logistics technician. “What’s more, we have also created a much safer environment for workers thanks to the mobile robots, as the movement of forklifts through the plant’s corridors meant a greater risk of accidents in the workplace. The MiR200s, with their high safety performance and their ability to detect obstacles in their way, be it a human worker or an object, and automatically stop or avoid them, have reduced the risk of such accidents to a minimum.”

When the operators started working with the robots in the plant, they were initially received with moderate enthusiasm on their part, given that in any other organization, change can take time to be accepted. However, now the plant employees have seen how they work and the benefits in terms of efficiency and productivity they offer, they are much more open to handling and interacting with the MIR robots.

Thanks to the positive experience TBSI has had so far with the MiR200s, they are currently evaluating the possibility of using more MiR robots for the internal transport of much bigger packages – a process they still do manually with pallet trucks and forklifts in another part of the plant. These packages are transported on pallets in large metal boxes and they are currently working with the team at RobotPlus, the MiR distributor in the area, to design an automation solution with mobile robots capable of moving the boxes according to their dimensions and weight.

Filed Under: AMRs, Case Studies, Materials Handling Tagged With: Mobile Industrial Robots

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