Better Business Bureau


Single Roll Crusher

American Pulverizer single roll coal crushers are the product of nearly a century of experience.  Each is designed to the highest engineering and construction materials standards...to assure you the ultimate in trouble-free operating efficiency, minimum and simplified maintenance, and long service life.  These machines are adaptable to reduce coke, mine refuse, limestone, cement rock, sulfur, alum, and other similar materials.
Standard Features:
Heavy-duty frame fabricated from 1-1/2" to 4" thick steel plate continuously welded and rib-reinforced
Bolt-in abrasion-resistant liners up to 3" thick
Adjustable breaker plate for product sizing from 4"-12" using a hydraulic power pack assist
Breaker plate is hinged at the top and held in position via adjusting rods at the lower edge
Breaker plate is spring loaded to allow passing of uncrushable items without damage to the mill
Roll speed of 125 RPM
Segmented roll shell design with six (6) bolt on replaceable shells.   Roll segments made of SMO alloy steel
Roll is driven via heavy-duty heat-treated gears through a jack shaft and v-belt drive from motor to jack shaft
Both main shaft and jack shaft rotate on heavy-duty spherical roller bearings mounted in grease lubricated pillow blocks
Torque limiter is utilized on the driven v-belt sheave to protect motor damage in the event of a roll stoppage
Spring loaded breaker plate automatically recedes to prevent tramp metal damage.