TEST DEVICE AND METHOD FOR A ROLLER CRUSHER OR GRINDER

摘要

A test device for a roller crusher of the type which comprises a pair of crushing rolls rotating in opposite directions towards each other for crushing or pulverizing materials has a crushing surface (4) with a number of pins (2) protruding from the crushing surface (4). At least one of the pins (2') is connected to a strain gauge (5) which is arranged for sensing a pressure exerted on the pin (2') by materials (M) being crushed against the crushing surface (4). Elected for publication: Fig. 2 Fig 2 80n 0000c6 Ro'-600 7 Fi. Fig. 4 Fig. 5