这种海绵手动发泡机采用变频调速控制装置，把原料放在发泡桶里进行混合搅拌，通过高速与低速独立调速控制，混合速度每分钟0 到3000转。
This foaming machine adopts frequencyconversion timing control device, put the raw materialsinto the foaming tanks mixing,separately controlled by high speed and low speed, the mixingspeed can be adjusted from 0rpm to3000rpm.
