Automation ABB Robots Are Shaping the Future of Automated Shoe Production

Source: ABB Robotics | Translated by AI 4 min Reading Time

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Automating the production of shoes is not easy due to the requirements: different sizes and different types need a flexible system that can produce sports, safety or children's shoes quickly and precisely.

The global shoe machine manufacturer Desma relies on automation and has been revolutionizing shoe production—together with ABB Robotics for over 40 years.(Image: ABB Robotics)
The global shoe machine manufacturer Desma relies on automation and has been revolutionizing shoe production—together with ABB Robotics for over 40 years.
(Image: ABB Robotics)

In the face of increasing demands for higher product quality, faster production cycles and safer working conditions, global footwear machinery manufacturer Desma is turning to automation to revolutionize footwear manufacturing. In collaboration with ABB Robotics, Desma has been developing innovative robotic solutions for shoe production for more than four decades. Over 1,700 ABB robots are now in use in the production facilities of Desma customers worldwide.

One of these customers is Strauss, a leading international manufacturer of protective workwear. At Strauss' CI Factory in Germany, Desma systems with ABB robots help to produce high-quality children's and safety shoes with a high degree of flexibility, precision and efficiency.

A Duo that Shapes the Industry

When Desma Schuhmaschinen GmbH started using robots for industrial shoe production in the 1980s, they were pioneers in the industry and ahead of their time. In 1990 alone, Desma and ABB delivered 70 robots to the industry. Today, more than 1,700 ABB robots are in use in Desma systems worldwide. For Desma's customers, the improved performance of the robots brings a number of benefits: consistently high quality, less exposure of employees to hazardous substances and more sustainable use of materials with less waste and offcuts.

Translating Innovation into Practical Solutions

Over the years, Desma and ABB Robotics have deepened their collaboration, developing solutions specifically tailored to the footwear industry. Tobias Giron works in sales at ABB Robotics and describes the collaboration as follows: "When you work together on solutions over 40 years, you get to know each other really well technically. Our robots are now an integral part of the Desma systems."

A key objective was to simplify the handling of robots to such an extent that even people without in-depth technical expertise would be able to operate them. ABB Robotics therefore developed a control system that made this possible long before the competition was working on similar projects. Desma worked closely with the ABB Robotics team for weeks to perfect the solution. Now the robots can also be operated by people without any previous technical knowledge. This means that monitoring is no longer necessary during the night shift, for example.

Flexibility And A High Degree of Precision for A Complex Product

The production of shoes—especially safety shoes—places high demands on the machines used. Although shoes are manufactured in pairs, every shoe is different: the left one is different from the right one and they have to be produced in a wide variety of sizes. Safety shoes are much more demanding to produce than sports or everyday shoes because even more materials and processing techniques are used.

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In the past, many robots lacked the sensitivity required for contour-critical tasks. As a result, their use was usually limited to pick-and-place tasks. ABB robots, however, provide the contour accuracy, force control and repeatability required for high-precision operations such as roughening and machining complex geometries.

Strauss utilizes these capabilities in the CI Factory, where Desma machines equipped with ABB robots perform a range of demanding production tasks with consistent accuracy.

Automated Shoe Production at Strauss

Strauss' CI Factory in Hesse is the brand's flagship, demonstrating modern production on 65,000 square feet of space. More than 300,000 pairs of shoes have left the production facility since it opened in 2019. Many of them are produced using an innovative direct soling process. In an integrated production process, the sole is created directly on the upper.

At the heart of this process are five ABB robots that perform the most important production tasks. Two IRB 1600 industrial robots are responsible for spraying release agent on the rotary table and roughening in the laser cell. In addition, there are two IRB 2600s that carry out handling on the rotary table and in the laser cell, as well as an IRB 2600 that lays steel soles and carries out additional roughening processes.

"The combination of the Desma system and the ABB robots enables us to produce top-quality safety shoes right here in Germany. The system is flexible, efficient and sustainabl—exactly what modern production needs today," explains Thomas Schwieder, Production Manager at Strauss.

With their solution, Desma and ABB Robotics deliver a flexibility that enables the production of a size 25 children's shoe on the left to be switched to a size 39 women's safety shoe on the right and then to a size 43 men's safety shoe in a matter of seconds. The robots carry out these processes at a speed of up to 4 inches per second and maintain tolerances of just 0.1 inches—even with small children's shoes, where precision is particularly important.

Paving the Way for Local, Sustainable Production

Automation is not only revolutionizing the production of shoes, but also opening up new opportunities for Desma customers to adapt their business models. According to Christian Decker, Managing Director of Desma Schuhmaschinen GmbH, robotics is becoming a decisive factor in bringing production closer to the consumer: "Robotics is the key to profitable production in high-wage countries such as Germany. It enables our customers to save material, costs and time while at the same time being able to react flexibly to dynamic customer requirements."

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Robotics is the key to profitable production in high-wage countries such as Germany.

Christian Decker, Managing Director of Desma Schuhmaschinen GmbH

The use of robotics and automation is also noticeably improving working conditions. Where workers were previously exposed to toxic or irritating gases from material abrasion, adhesive spraying or paint, these tasks are now performed by enclosed robot cells. This significantly improves safety and comfort in the workplace while reducing material and energy consumption. The higher product quality also contributes to greater sustainability, as less waste is produced.

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