innovation for industry
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An innovative, connected cylindrical bushing for predictive maintenance in construction vehicles
The joints in construction machines are equipped with metal sliding bushings that are subject to wear. If the deterioration is too great, the bushings have to be replaced and the machine is immobilized for several hours or days.
This innovative sliding bushing solution includes multilevel wear sensors, an RFID tag and an antenna. The RFID tag enables users to track wear and facilitates predictive maintenance. This innovation is designed to withstand the harsh conditions of construction sites: grease, abrasive environments, vibrations, shock, extreme temperatures, etc.
Other industrial wear sensors for complex environments can be developed
based on these technological building blocks. A project is currently underway
to monitor the wear of large industrial rubber sieves.
• Public works equipment
• Lifting equipment
• Agricultural machinery
• Mining equipment
• Any type of machine with oscillating pivot links that are equipped with metal friction bushings which are difficult to access and/or difficult to see.
The sensor indicates three levels of wear which make it easier to plan the replacement of bushings and avoid breakdowns. The shift from preventive to predictive maintenance reduces costs and downtime.
• Technology under development with HEF, a French sliding bushing manufacturer
• 1 product patent has been
filed for the complete bushing
CEA is a French government-funded technological research organisation in four main areas: low-carbon energies, defense and security, information technologies and health technologies. A prominent player in the European Research Area, it is involved in setting up collaborative projects with many partners around the world.