Super-fine milling is a technique that has been used in Brazil to rehabilitate roads for the World Cup The rehabilitation work had to be carried out speedily and economically, while minimising traffic disruption. To meet these requirements, contractor Fremix Engenharia e Comércio has been using a Wirtgen W200 cold milling machine that is fitted with a super-fine milling drum.
Two major manufacturers, Caterpillar and Wirtgen, are introducing new milling machines. Both firms say that these new, high-production units will offer increased output compared with earlier generation equipment.
From Caterpillar come the new PM820, PM822 and PM825 machines, which are half-lane milling machines able to handle full-depth removal of asphalt and concrete pavements in a single pass. The firm claims that these units are highly productive and highly manoeuvrable. In operation the machines weig
High throughput of quality material can be achieved using the latest KMA 240(i) unit from Wirtgen. The firm says that this unit allows material to be processed sustainably and close to the jobsite
