Laboratory Roll Crusher

Two hardened alloy steel rollers with 100 mm faces & 250 mm diameter.
The rollers are fitted with steel shaft & are mounted on heavy duty
gun meter bearings. The outside bearings are provided with heavy duty
compression springs. Which help in increasing the space between the
rolls, when a piece of material cannot be crushed. Square threaded
bolts are provided to adjust the gap between the rolls. The drive
is by a heavy duty motor. Through reduction gear box or V belt to
a set of gears & further to the rollers. A hopper is provided for
feeding the material. The arrangement is mounted on a fabricated
steel frame.