Research in the forefront

Varvel SpA implements its own quality system through vibrational and acoustic innovative studies, decibel measurement and Education Ministry project sharing.

In the last year, Varvel SpA further increased its monitoring and quality control system by using advanced techniques and specific instruments by integrating the current end-of-line control in maintenance and customer service.
An innovation that places the company at the forefront, made possible by the Varvel participation in “Vibracustica – Vibrational and Acoustic Research” called by the Ministry of Education, University and Research. The purpose of the project was the study of vibrational and acoustic behaviour of individual components (gear trains) as well as a finished gear box, through technique development and implementation of defect identification, prototype manufacturing and appropriate instrumentation for vibrational and acoustic analysis.
As part of the project, an advanced training course in Vibrational and Acoustic Engineering was also launched and designed to train specialist engineers on the matter. The sharing initiative allowed Varvel SpA to accommodate one master participant who, through an internship, had the opportunity to bring in the company the newly acquired know-how and a new approach to diagnostics. The company also made available a vibrational and acoustic analysis department and test benches for complete gearboxes and gear train investigations.
A survey instrument that asked Varvel SpA to acquire the necessary analysis tools such as accelerometers, speed sensors, microphones, acoustic calibrator and instrumentation hardware and software, to enable data acquisition and analysis.
Varvel SpA specialized in designing and manufacturing of gear reducers and mechanical variators, and well known worldwide for the proven quality of all-made-​​in-Italy products, also started in measuring the gearbox sound power level to may provide customers with the emitted decibels according to ISO standards.
“It was an initial testing – says Francesco Berselli, President of Varvel SpA – intended to have a follow-up. The project was in fact concluded with the signing of a contract, in order to give continuity to the activities carried out by implementing control procedures, and to set acceptability thresholds for individual gears and gearboxes. We will also direct our efforts to introduce a production end-of-line check by an integrated automation to lower the defect return rate that incidentally is already very limited.”
The same opinion is Mauro Cominoli, General Manager of Varvel SpA and strong supporter of the research: “The company has always focused on quality that allowed us to be known at all latitudes. We have been working for years with universities, research centres, training and specialist schools, with the aim of a continuous improvement of supply and services signed Varvel SpA.”




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