Plough shear mixer, also named ploughshare mixer, plow mixer or plough mixer, is an industrial horizontal mixer specially designed for blending powders, granules and pastes. S&L Ploughshare mixer consists of a cylindrical drum, drive unit, plough shaped mixing elements mounted on a horizontal shaft, and high speed choppers. Plow mixers operate on the principle of a mechanically generated fluid bed with three-dimensional movement of the product. In operation, the shaft rotates at higher speed, mixing tools project and hurl material away from the wall into free space in a crisscross direction, and inversely back again.