Parivartan mechanic works has been manufacturing duplex grinding machines and taper, ball, spherical and cylindrical lapping machines. These lapping machines and duplex grinders are available in three models: 1] pm-50 - grinding wheel size 300 x 40 x 25 mm, work piece dia 10 to 50 mm, approx weight - 1200 kg, and total power required - 7.5 hp;2] pm-100-grinding wheel size 350 x 50 x 25 mm, work piece dia - 20 to 100 mm, approx weight - 1700 kg, and total power required -12.5 hp; and 3] pm-150 - grinding wheel size 500 x 65 x 25 mm, work piece dia - 20 to 150 mm, approx weight - 2200 kg, and total power required 17.5 hp.
