... production line, to self-hardening sand as material, use of molding machine making sand mould and pour molten iron in to sand ... sand conveying, Add resin or sodium silicate, etc, Mix sand, Making core, Molding, Pouring. Main equipment Shakeout machine, Vibrating conveyor, Belt ... reclamation and reuse,thus can reduce the amount of resin to reduce the cost of resin-bonded sand,but also to reduce the ...