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Open AccessTechnical Note

Innovative Solution for Reducing the Run-Down Time of the Chipper Disc Using a Brake Clamp Device

Department of Agricultural and Forestry Sciences (DAFNE), Tuscia University, Viterbo 01100, Italy
INAIL National Institute for Insurance against Accidents at Work, Via di Fontana Candida 1, 00078 Monte Porzio Catone (RM), Italy
Department of Land, Environment, Agriculture and Forestry, Università degli Studi di Padova, Viale dell’Università 16, 35020 Legnaro, Italy
Author to whom correspondence should be addressed.
Agriculture 2017, 7(8), 71;
Received: 18 July 2017 / Revised: 2 August 2017 / Accepted: 17 August 2017 / Published: 20 August 2017
Wood-chippers are widely used machines in the forestry, urban and agricultural sectors. The use of these machines implies various risks for workers, primarily the risk of contact with moving and cutting parts. These machine parts have a high moment of inertia that can lead to entrainment with the cutting components. This risk is particularly high in the case of manually fed chippers. Following cases of injury with wood-chippers and the improvement of the technical standard (ComitéEuropéen de Normalisation-European Norm) EN 13525: 2005 + A2: 2009, this technical note presents the prototype of an innovative system to reduce risks related to the involved moving parts, based on the “brake caliper” system and electromagnetic clutch for the declutching of the power take-off (PTO). The prototype has demonstrated its potential for reducing the run-down time of the chipper disc (95%) and for reducing the worker’s risk of entanglement and entrainment in the machine’s feed mouth. View Full-Text
Keywords: wood chipper; brake clamp; work safety; forestry wood chipper; brake clamp; work safety; forestry
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Colantoni, A.; Mazzocchi, F.; Laurendi, V.; Grigolato, S.; Monarca, F.; Monarca, D.; Cecchini, M. Innovative Solution for Reducing the Run-Down Time of the Chipper Disc Using a Brake Clamp Device. Agriculture 2017, 7, 71.

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