High wear-resistant grinding tooth is applied to disintegrator in glass plant., The grinding tooth has low carbon steel inner and high chromium cast iron outer. The using results are remarkable.

• 采用复合铸造法研制一种芯部为低碳钢、外部为高铬铸钢的高耐磨碾齿,用于玻璃厂破碎物料的笼式粉碎机上,效果良好。