By Eskild Tjalve
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Extra resources for A Short Course in Industrial Design
T h e final c h o i c e o f a r r a n g e m e n t s are s h o w n i n F i g u r e 3 4 . N o t e h o w t h e s t r u c t u r e c a n o n l y be s a f e l y m a d e a f t e r c o n s i d e r i n g simple the a vertical sketches axis are identical. The contribute to making systematic v a r i a t i o n easy. V a r i a t i o n s c a n be m a d e b y d r a w i n g f r o m one solution t o another. design possibilities promising structures. for some of the most 43 SYMBOLS QUANTIFIED Variation [K\ STRUCTURES Boiler B r e w i n g vessel of r e l a t i v e a r r a n g e n n e n t (ψ) Teapot SS- ra Θ' g l ® ® m ^msi ^ ^ i ^ Ί2.
E x a m i n a t i o n o f t h e p r o b l e m o n t h e basis o f v a r y i n g A s an o v e r a l l c h e c k o n t h e l i m i t s i t m a y be u s e f u l t h e f o u r v a r i a t i o n p a r a m e t e r s m a y , f o r i n s t a n c e , give t o e x a m i n e t h e f u n c t i o n a l surfaces w i t h t h e greatest t h e suggestions s h o w n in Figures 4 7 a n d 4 8 . These e x t e n t a n d t h o s e w i t h t h e smallest e x t e n t . S u c h sur m u s t n o t be regarded as f i n a l suggestions, b u t o n l y faces m a y be s u i t a b l y c a l l e d m a x i m u m a n d m i n i m u m as categories o f s o l u t i o n s , as each o f t h e suggestions surfaces, see F i g u r e 4 9 .
Figure Figure 43 42 A vice. Relationship A vice. The functional of surfaces elements of the sliding jaw 51 Figure 44 Suggested form designs for tfie sliding jaw, based on two different groups of the functional surfaces 52 Methods used in form design Tfie metfiod of variation of thie surfaces functional g e o m e t r y a n d d i m e n s i o n . Figures 4 5 a n d 4 6 s h o w a number of examples o f products, where the func tional A specification of the parameters t h a t determine the surfaces are e m p h a s i s e d .
A Short Course in Industrial Design by Eskild Tjalve