Description Drive System Supported on heavy duty fabricated steel base 15 hp dc drive system with tach feedback, and auxiliary blower/filter Koellmann heavy duty gear reducer Hardened helical gearing Tapered roller bearings 11.2:1 reduction ratio 22 hp rating at 100 rpm with a 1.25 service factor Thrust bearing with l-10 life of 900,000 hours at 5,000 psi and 100 rpm Belts and sheaves to provide approx. 150 rpm maximum screw speed (other speed ranges available) Barrel 24/1 l/d barrel Bimetallic lined (xaloy 306 equivalent) 3 zones of automatic air cooling Ceramic band heaters Adjustable barrel support Swing gate flange front end Ss die adapter Ss breaker plate Tap at 6 o’clock with 7500 psi rupture disc Feed Section Ss body Elongated feed throat opening Jacketed for water cooling Stainless steel hopper with sight glass, safety grid, and shut-off gate Feed Screw 4140 tool steel (pre-heat treated) Flame hardened lands Ground and polished Chrome plated Design to be general purpose unless otherwise specified Control Panel 460v/3p/60hz control panel mounted on base of extruder Five (5) heat zones using digital temperature controllers with self-tuning feature Three (3) barrel heat/cool zones One (1) swing gate heat zone One (1) adapter/die heat zone Dc motor ammeter Digital tachometer 10 turn pot motor speed control with start/stop buttons Step down transformer for heat zones Fused main disconnect with lock-out capability
