Posted by
useongroup on Wednesday, August 05, 2009 3:31:50 AM
Single screw extruders are the most common type of screw
extruder. Single screw extruders use a single screw in
combination with a cylinder or barrel for providing the mixing and conveyance
through the extruder die plate at the end other end of the extruder to form the
final product shape. There a numerous combination of screws and barrels to
provide the necessary mixing, texturizing and kneading of the product to make it
suitable for shaping through a die plate and sized to a required length.
Screw
extruders consist of drive part and processing part.
Drive
part includes the reduction unit and motor.AC motor or DC motor is available.
Processing part consisted of barrel,screw parts and two pieces of
co-rotating screw shaft.There are closing barrel,feeding barrel,venting
barrel.Solid and liquid material can be fed by feeding hopper or liquid
injector.The screw parts array can be adjusted according processing
technology,it can perform transmitting, plastizing,
compounding,shearing,venting,and dehumidifying.Granula,powder,liquid can be fed
by main feeder,side feeder,or liquid injecting unit.Multipath Loss-in-weight
feeding system is also available.