Voltas offers supfina tp 90, a superfinishing machine from supfina grieshaber gmbh & co, germany. The supfina tp 90 is characterized by: optimum improvement of surface roughness, concentricity and bearing ratio; generation of plateau honed surfaces to din 4776e; versatile applications for all rotationally symmetrical workpieces; generation of special shapes, eg, anti friction bearing rolls, rapid retooling; powerful pneumatic oscillator; mass compensated oscillation action; and high rate of output comparable with centreless grinding. Specifications: diameter- from 4-100 mm, length - from 3-300 mm, oscillation frequency - 2000-3000/min; oscillation amplitude- 1-5 mm; and retooling time-15 min.
