With sandblasting, sand is propelled against the surface. The first step to performing sandblasting is pouring the sand into the sandblasting machine. Sandblasting machines have a chamber on top in which the sand is poured. The sandblasting machine is then connected a conventional air compressor that, when activated, propels the sand out through a handheld nozzle.
The cutting line is used for solving any possible cutting matters concerning elevator guide rails. It takes a little time to position the cut, granting the higher accuracy between the hole center and the end of the cut. The cut has got no burrs and burns and keeps a perfect squareness.
Cooling beds take place at the end of rolling mill. The cooled bars at the bottom go to shears to be cut to proper lengths.