CONVEYOR SCREWS สกรูลำเลียง
TAPERING FLIGHT CONVEYOR SCREWS are frequently used as feeder screws for handing friable lumpy material from bins or hoppers and also to draw the material uniformly from the entire length of the feed opening
STEPPED DIAMETER CONVEYOR SCREWS consist of flights of different diameters, each with its regular pitch, mounted in tandem on one pipe or shaft. They are frequently used as feeder screws, with the smaller diameter located under bins or hoppers to regulate the flow of material.
STEPPED PITCH CONVEYOR SCREWS are screws with succeeding single or groups of flights increasing pitch and are used as feeder screws to draw free - flowing materials uniformly from the entire length of the feed opening
CONE SCREW to withdraw material evenly from a hopper or bin. Constant pitch reduces bridging. requires less start-up