防止薄壁灰铁件边角白口的有效措施浙江调速电机厂（桐乡市３１４５００）沈宏谋薄壁灰铸件白口是常见的材质缺陷。尤其是做、小型电机的铸件，一般壁厚较育而且常采用温型铸造．尽管铁水的化学成分合格，但由于浇注速度、铸型壁厚等因素的影响，使得铸件的边角处极易产生... Prevent thin-walled gray iron corners white corner of the effective measures Zhejiang Speed ​​Motor Factory (Tongxiang 314500) Shen Hongmou thin-walled white castings are common material defects white mouth. Especially to do, small motor castings, the general wall thickness and often used warm mold casting. Although the chemical composition of molten iron qualified, but due to pouring speed, casting wall thickness and other factors, making the corner of casting is easy to produce ...