Accelerated polishing machine PSV

for stoneindustrialfinishing

The Polished Stone Value (PSV) of a material used as road surfacing is a measure of how rapidly it becomes polished under the action of vehicle tires. The Accelerated Polishing Machine (PSV) is used to accelerate polishing of stone chipping set onto the periphery of a special revolving wheel — all according to the specified Standards. After the cycle, involving two grades of emery powder, the polished specimens are tested on the skid tester (see links below) which gives the PSV, Polished Stone Value. The PSV machine is: - electronically controlled by a keyboard with 4 row x 20 character LCD display. - fitted with an emergency stop button. - supplied complete with the following: • road wheel • side plate • rubber rings • two tired wheels • drive belt, abrasive feed mechanism • corn emery • flour emery • set of one specimen mold • one mold plate. • Fully conforming to EN 1097-8 • Advanced digital interface for programming test steps and pauses • Independent control of the two feeders • Digital control of speed rotation • Full protection of all the moving part area with safety switch • Removable water tank, easy refill • Electronic control of rotation speed and feed mechanism • Digital display 4-row x 20-character • Aluminium wheel 406 mm dia. • Clamping device for specimen • Rotation speed adjustable from 315 to 325 r.p.m. • Two rubber tired wheel 200±3 mm dia. • Lever arm and weight loading the tired wheel on the aluminium wheel to • 725±10 N • Feed mechanism for corn emery and flour emery microprocessor controlled • Electric motor: 750 W • Rated power: 850 W • Overall dimensions (W x D x H): 1800 x 980 x510 mm • Weight: 200 kg approx.