Lüber gas generators are designed to take cold box curing systems to optimum efficience. Their extremely efficient and economical use of curing agents, rapid curing rates and careful attention to safety, heath and environmental concerns make them the obvious choice for foundries with a future.
Lüber cold box systems vaporize the amine or Methyl Formate instead of atomizing it, so they use far less of it...as little as one pound of amine cures a ton of core sand. In many cases Lüber generators can cut catalyst consumption by as much as 50%. Reducing the amount of catalyst pays off downstream, too, since less gas means fewer emissions and reducing scrubbing and acid costs.
The carrier gas is ordinary shop air, so there is no need for costly CO2 or nitrogen. Purge air is heated internally, and there are two different purge cycles offered:
- an adjustable two stage type (suitable for most cores) which goes from low (5 psi) to high (75 psi), and
- a proportional cycle (for more delicate cores), which allows purge pressure to rise evenly from 0 to as high as 75 psi.
