It USES spiral to feed the material, and the feedgearing is suitable for a comparatively worse fluidity of powdery material.
采用螺旋给料，该给料机构适用于流动性较差的粉状物料，物料是由给料机构强行排出。
2
The tooth side slack of the gear influences the machining accuracy of NC machine tool directly, so, taking out the slack of feed drive gearing is an important item in the machine tool rebuilding.