AutomationHybrid ManufacturingOil and Gas

New 4D Hybrid Autonomous Robot can perform additive MRO operations on offshore platforms

Developed within the European project by the same name, it employs cold spray AM technology

The 4D Hybrid project was launched in 2017 to research hybrid additive manufacturing technologies in oil and gas or maritime industry segments. Funded under the European Commission Horizon 2020, the effort is coordinated by Prima Industrie and involves 12 industrial players, operating as technology suppliers and end-users. After two years, the project is now unveiling its first 4D Hybrid Autonomous Robot, developed, to perform detection and reparation of metal vertical surfaces in offshore environments.

In order to do that, the 4D Hybrid Autonomous Robot uses an integrated 3D scanner and a cold spray gun. The 3D scanner implemented for the mobile platform is an Artec Space Spider commercial scanner able to reconstruct the surface and individuate the corrosion/defects on the metal surface. The cold spray system is the 4D Hybrid module, designed during the project by SUPSI. It is used to deposit a new metal coating on the surface; the coating can be in both stainless steel or aluminum alloys.

In order to be able to climb vertically extremely slippery surfaces, the robot has been designed as a tracked vehicle, equipped with two robust rubber belts, which keep it in contact with the surface through a powerful vacuum-based adhesion system, placed at its center. The two rubber tracks allow the robot to move on metal surfaces with two different degrees of freedom; either back/forth or rotating, even on its main axis.

While performing cold spray based additive processes in open environments, the implementation of specific recovery strategies for the dispersed powder becomes fundamental. In order to avoid such dispersion, the robot is equipped with a powder recovery system that sucks up the powders and carries them to the top of the ship. The Autonomous Robot is designed to work on different conditions of the metal surfaces: corroded, not corroded, in presence of water and dirt and with an environmental temperature ranging between 3 to 35°C.

4D Hybrid Autonomous Robot

Disrupting the MRO value chain

The main goal of the 4DHybrid project is to develop a new concept of hybrid additive manufacturing, supporting the Maintenance Repairing Operation (MRO) value chain with a particular focus on medium to large size high added-value components.

In detail, this entails the development of compact and low-cost modules including laser source, deposition head, sensors and control that can be integrated on robots and machines; such modules embed various technologies to enable additive and subtractive technologies – such as direct energy deposition (DED) and ablation or cold spray (CS) – in addition to technologies for monitoring and inspection.

The 4DHybrid equipment portfolio is conceived for running both in a standard production facility and in an off-shore harsh environment. This makes the project results suitable for aerospace, oil &gas and power generation industries. The modularity concept together with the adoption of complex sensor-based monitoring systems will enrich the current state-of-the-art hybrid solutions with promising prototypes (Technology Readiness Level – TRL7), aiming to provide new possibilities for production and repairing sectors, where a multitude of technologies and equipment will be flexibly adapted.

 

Out of the lab. Into the market

4D Hybrid Autonomous RobotThe project’s exploitation strategy relies upon major industrial stakeholders of the project consortium that are very active in the MRO industry. For example – Prima Industrie will include in the company product portfolio the deposition modules for DED. Comau will launch a new generation of robots for additive manufacturing and milling operations. With SUPSI, ARM Lab – having the advantage of an abundant industrial network of partners – deeply operates in supporting National and European industries to enable the adoption of cutting-edge solutions.

4D Hybrid modules can be integrated into any sort of manufacturing equipment, thus avoiding major overhauls at the industrial level. With this regard, a key sensitive aspect is to deploy solutions that are frictionless for end-users and demand for very limited ramp-up time. This should ensure a faster and efficient absorption of project results. Also, 4D Hybrid demonstrators are currently running in ARM physical laboratories to support side activities, such as industrial mandates and equipment commissioning to industrial customers; this boosts comprehension of advantages and drawbacks during the modules’ integration in the overall production infrastructure and industrial value chain. The key underlying idea is to always target the realization of reliable and industrially robust solutions.

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Davide Sher

Since 2002, I have built up extensive experience as a technology journalist, market analyst and consultant for the additive manufacturing industry. Born in Milan, Italy, I spent 12 years in the United States, where I received my Bachelor of Arts undergraduate degree. As a journalist covering the tech industry - especially the videogame industry - for over 10 years, I began covering the AM industry specifically in 2013, as blogger. In 2016 I co-founded London-based 3D Printing Business Media Ltd. (now 3dpbm) which operates in marketing, editorial, and market analysis & consultancy services for the additive manufacturing industry. 3dpbm publishes 3D Printing Business Directory, the largest global directory of companies related to 3DP, and leading news and insights websites 3D Printing Media Network and Replicatore. I am also a Senior Analyst for leading US-based firm SmarTech Analysis focusing on the additive manufacturing industry and relative vertical markets.

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