In 2007 a foundry using a rotary drum shakeout system to break up sprue and separate sand from metal, needed a replacement. After many demanding rotations, this system needed to be replaced: The cast liner system in the drum had become worn out by...
Aluminum deflection elbows prevent sand, lime, iron oxide, grit and other abrasives from causing wear, failure and downtime
For dilute- or dense-phase pneumatic conveying
Design guides materials gently
Varying sizes available
U.S. Dept. of Labor promises new safety standards will save lives, prevent illness, deliver billions in net benefits
First revision since 1971
2.3 million workers per year exposed
Phased-in compliance schedule
What happens to castings during shakeout may be instructive to foundries seeking to optimize production costs and process quality.
Initiating transformation stress
Thermal stress related to temp differences
CCT process for shakeout cooling?
Variable-speed machine is a one-step system that allows foundry operators to control the action
Reducing sand temps to reduce airborne silica
Separating core sand from green sand
Capital cost, space considerations