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SCREW CONVEYORSCREW CONVEYOR
ANDANDBUCKET ELEVATORBUCKET ELEVATOR
ENGINEERING GUIDEENGINEERING GUIDE
KWS MANUFACTURING COMPANY, LTD.3041 CONVEYOR DRIVE
BURLESON, TEXAS 76028817-295-2247 800-543-6558 FAX 817-447-8528WEBSITE: WWW.KWSMFG.COME-MAIL: [email protected]
CATALOG #SC-1103
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KWS Manufacturing Company, Ltd. was founded in1972 to manufacture and sell screw conveyors andother bulk material handling equipment. KWS quicklybecame recognized as a key supplier of standard andspecialty equipment for a variety of industries. The
plant and facilities are currently a combined 125,000square feet. KWS provides complete engineeredsystems, screw conveyors and feeders, shaftlessconveyors, vertical screw conveyors, bucketelevators, live bottom bins, elevator buckets, Dragon-Flite conveyors, hoppers, belt conveyors, hollow-flitescrew processors and screw pumps.
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TABLE OF CONTENTS
ENGINEERING SECTION
Introduction.........................................................4
Material Characteristics .....................................5
Materials Table................................................. 6
Capacity ......................................................... 13
Capacity Table..................................................15
Component Selection ......................................17
Component Series Table .................................21
Horsepower Calculation...................................22
Torque Capacities ............................................26
Drive Arrangements .........................................29
Belts Guards.....................................................30
Screw Feeders.................................................31
Inclined Screw Conveyors...............................32
COMPONENT SECTION
Conveyor Screws.............................................33
KWS Quick Key ...............................................46
Conveyor Screw Components.........................49
Shafts................................................................50
Hangers............................................................52
Hanger Bearings..............................................53
Hanger Pocket .................................................54
Special Screw Conveyor Weld Finishes .........48
Trough Ends.....................................................62
End Bearings....................................................74
Thrust Collar.....................................................76
Roller Thrust Bearing.......................................78
Seals.................................................................79
Troughs.............................................................8
Flange Gaskets................................................8
End Flanges.....................................................9
Saddles and Feet.............................................9
Discharge Spouts.............................................9
Rack and Pinion Gates....................................94
Pneumatic Gates .............................................9
Covers ............................................................10
Clamps ...........................................................10
Inlets ...............................................................10
BUCKET ELEVATOR SECTION
Centrifugal Discharge Bucket Elevators........11
Positive Discharge Bucket Elevators.............11
Continuous Bucket Elevators.........................11
Hi-Capacity Centrifugal Discharge
Bucket Elevator..............................................12
Elevator Buckets ............................................12
SUPPLEMENTAL DATA
Layouts............................................................11
End Flange Bolt Patterns...............................11
Installation and Maintenance.........................11
Drag Master Conveyors.................................12
Terms and Conditions....................................12
Safety .............................................................12
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