Sandwich Belt Swot Analysis

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3/12/13 Paper s: Evolution of a Sandwich Belt O P EN- P I T M I NI NG Ev olution of sandwich belt high- angle conv ey ors Print J O SEP H A. DO S SANT O S De s ig n P ro je ct En g in e e r Dra vo C o rp o ra tio n EAR L M . FR I ZZEL L M in in g En g in e e r Sp o k a n e R e s e a rch C e n te r U . S. Bu re a u o f M in e s A bs t r a c t C o n ve n tio n a l b e lt co n ve yo rs o f f e r a n e co n o m ica l m e th o d f o r tra n s p o rtin g m a te ria ls a t in clin e s a p p ro a ch in g 1 8 d e g re e s . Sa n d wich b e lt co n ve yo rs m a y b e u s e d to tra n s p o rt m a te ria ls a t h ig h a n g le s , to 9 0 d e g re e s , wh ile m a in ta in in g th e m o s t p o s itive f e a tu re s o f co n ve n tio…show more content…
T yp ica l b e lt s p e e d s a re 8 0 0 to 1 , 2 0 0 f e e t p e r m in u te . A s p e cia l lo w- m o d u s f a b ric b e lt is u s e d to a ch ie ve tig h t ve rtica l cu rve s with a tro u g h e d b e lt. T h e Be lta va to r, b y Ste p h e n - Ad a m s o n ( 10) , is a h yb rid wh ich re p re s e n ts a s o lu tio n o f ca te g o rie s ( d ) a n d ( e ) . I t is illu s tra te d in Fig u re 8 . T h e Be lta va to r is a n e x te n s io n o f th e L o o p Be lt. I t is id e n tica l to th e L o o p Be lt u p to a co n ve yin g a n g le o f 9 0 d e g re e s . At th is p o in t, it co n ve ys th e m a te ria l ve rtica lly f o r a d e s ire d e le va tin g h e ig h t a n d it a g a in b e co m e s id e n tica l to th e L o o p Be lt a b o ve th e 9 0 - d e g re e co n ve yin g a n g le . I t is th e s tra ig h t ve rtica l p o rtio n o f th e co n ve yo r p ro f ile th a t q u a lif ie s a s a ca te g o ry ( d ) s o lu tio n . O n th

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