SCREW CCONVEYOR AND BUCKET EELEVATOR ENGINEERING GGUIDE
Transcript of SCREW CCONVEYOR AND BUCKET EELEVATOR ENGINEERING GGUIDE
SSCCRREEWW CCOONNVVEEYYOORR SSCCRREEWW CCOONNVVEEYYOORR AANNDD AANNDD
BBUUCCKKEETT EELLEEVVAATTOORRBBUUCCKKEETT EELLEEVVAATTOORREENNGGIINNEEEERRIINNGG GGUUIIDDEEEENNGGIINNEEEERRIINNGG GGUUIIDDEE
KWS MANUFACTURING COMPANY, LTD.3041 CONVEYOR DRIVE
BURLESON, TEXAS 76028817-295-2247 • 800-543-6558 • FAX 817-447-8528
WEBSITE: WWW.KWSMFG.COME-MAIL: [email protected]
CATALOG #SC-1103
KWS Manufacturing Company, Ltd. was founded in 1972 to manufacture and sell screw conveyors and other bulk material handling equipment. KWS quickly became recognized as a key supplier of standard and specialty equipment for a variety of industries. The plant and facilities are currently a combined 125,000 square feet. KWS provides complete engineered systems, screw conveyors and feeders, shaftless conveyors, vertical screw conveyors, bucket elevators, live bottom bins, elevator buckets, Dragon-Flite conveyors, hoppers, belt conveyors, hollow-flite screw processors and screw pumps.
TABLE OF CONTENTS
ENGINEERING SECTION
Introduction.........................................................4Material Characteristics .....................................5Materials Table ................................................. 6Capacity ......................................................... 13Capacity Table..................................................15Component Selection ......................................17Component Series Table .................................21Horsepower Calculation...................................22Torque Capacities ............................................26Drive Arrangements .........................................29Belts Guards.....................................................30Screw Feeders.................................................31Inclined Screw Conveyors ...............................32
COMPONENT SECTION
Conveyor Screws.............................................33KWS Quick Key ...............................................46Conveyor Screw Components.........................49Shafts................................................................50Hangers............................................................52Hanger Bearings ..............................................53Hanger Pocket .................................................54Special Screw Conveyor Weld Finishes .........48Trough Ends.....................................................62End Bearings....................................................74Thrust Collar.....................................................76Roller Thrust Bearing .......................................78Seals.................................................................79
Troughs.............................................................82Flange Gaskets ................................................89End Flanges .....................................................90Saddles and Feet.............................................91Discharge Spouts.............................................92Rack and Pinion Gates....................................94Pneumatic Gates .............................................98Covers ............................................................102Clamps ...........................................................106Inlets ...............................................................107
BUCKET ELEVATOR SECTION
Centrifugal Discharge Bucket Elevators........119Positive Discharge Bucket Elevators.............119Continuous Bucket Elevators.........................119Hi-Capacity Centrifugal DischargeBucket Elevator ..............................................120Elevator Buckets ............................................122
SUPPLEMENTAL DATA
Layouts............................................................111End Flange Bolt Patterns...............................115Installation and Maintenance .........................117Drag Master Conveyors.................................124Terms and Conditions....................................121Safety .............................................................125