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Computerized modelling of composites
UIPMENT NEWS
EQ
~2_ . . . . . . :;
P u l t r e x delivers two f i l a m e n t winding systems The r a n g e of f i l a m e n t w i n d i n g m a c h i n e s a v a i l a b l e f r o m P u l t r e x L t d o f C l a c t o n - o n - S e a , UK, c o n t i n u e s t o e x p a n d . The c o m p a n y says t h a t its M o d w i n d m a c h i n e s a r e m o d u l a r in c o n s t r u c t i o n w h i c h a l l o w s t h e m to b e b u i l t w i t h m a n y v a r i a t i o n s of a x e s , s p i n d l e s a n d l e n g t h capacities. P u l t r e x ' s m o s t r e c e n t m a c h i n e for t h e US m a r k e t h a s a f o u r - s p i n d l e , f o u r - a x i s c o n f i g u r a t i o n , a n d is ideally s u i t e d to v o l u m e p r o d u c t i o n of o v e r - w o u n d p r e s s u r e vessels, w i t h t h e f o u r - a x i s r o t a t i n g f e e d - e y e giving a c c u r a t e p l a c e m e n t o f f i b r e s o v e r t h e critical e n d o p e n i n g s . To c o m p l e t e t h e t o t a l w i n d i n g s y s t e m P u l t r e x s u p p l i e d its l a t e s t c o m p a c t 16 s p i n d l e fibre t e n s i o n i n g a n d resin i m o v e g n a t i o n s y s t e m a n d i n t e r f a c e d it w i t h a n IBM c o m p u t e r to give d a t a logging a n d m a n u f a c t u r i n g records. Th~ c o m p a n y h a s also r e c e n t l y c o m p l e t e d a selfc o n t a i n e . ' s m a l l m a c h i n e for L i v e r p o o l University, UK. This m a c h i n e h a s a m a n d r e l c a p a c i t y o f 300 m m diameter x 2000 mm long and has a three-axis c o n f i g u r a t i o n . A G E F a n u c 32 bit p r o c e s s o r c o n t r o l is f i t t e d i n t o t h e m a c h i n e h e a d s t o c k . D r G i b s o n , of L i v e r p o o l University, says t h a t s e v e r a l p r o j e c t s will be u n d e r t a k e n o n t h e m a c h i n e . Initially c o m p o s i t e t u b e s f o r t h e o f f s h o r e i n d u s t r y will b e p r o d u c e d , w i t h p a r t i c u l a r a t t e n t i o n b e i n g p a i d to i m p a c t b e h a v i o u r , b u c k l i n g a n d i n t e r n a l a n d e x t e r n a l p r e s s u r e a n d loads. Development of filament wound thermoplastic and e n g i n e e r i n g c o m p o n e n t s , e.g. r o p e a n d c a b l e a n d s m a l l p r e s s u r e v e s s e l s will also b e c a r r i e d out. K a t e S h a w - S t e w a r t , P u l t r e x Ltd, B r u n e l R o a d , C l a c t o n - o n - S e a , E s s e x C 0 1 5 4LT, UK; tel: 0255429811; fax: 0255-436451.
Hot press expands Orkot's laminate production The o u t p u t of phenolic laminates at Orkot Engineering Plastics has been e x p a n d e d by the installation of a 350 tonne 3-platen hydraulic hot press. The press was built by Italpresse of Bagnatica, Italy, a n d s u p p l i e d by M a c k e y Bowley of Gravesend, UIC The press forms part of a new ~250 000 p r o d u c t i o n
REINFORCED
PLASTICS
MARCH
1990
cycle includes dwell times for curing, while return cylinders speed the closing of the b o t t o m mobile platen to provide high productivity. Mackey Bowley International Ltd, Norfolk Road I n d u s t r i a l Estate, Gravesend DA12 2PT, UK; tel: 0474-363521; f a x : 0474334818.
[ ] Computerized modelling of composites
A modelling tool designed for specialists in the composite m a t e r i a l s field h a s b e e n launched by French software company Compiegne Science I n d u s t r i e (CSI) of Compiegne. According to CSI, Composic can handle and analyse every step in a material's manufacturing process: monodirectional, tissues, complex layers or sandwiches, c o a t i n g , coiling or weaving. In addition, using Composic's materials database, the user can create a reproduction during the modelling stage of each step in the manufacturing process. The c o m p a n y says t h a t once a composite has been defined it is easy to modify or line for Orkot, a composite erase the c o m p o n e n t elematerial m a d e from fibre ments or combine them in c l o t h s i m p r e g n a t e d w i t h new structures. As well as phenolic resins. The mater- being able to visualize steps ial is available in a number of in the manufacturing progrades, b a s e d on varying cess, it is also possible to fabrics and resins, and used repeat them using symmetry in bearing and sealing appli- or translation. cations. Composic is a specialized Mackey Bowley says that tool for CSI's MEF/Mosaic the 2250 mm x 750 mm finite element modelling proplatens on the press allow gram. t h e p r o d u c t i o n of l a r g e F r a n c o i s D i a z , Comitems; loading is carried out piegne Science Industrie, on the long side. A daylight Immeuble Technopolis, Rue opening of 450 mm permits des Fonds Pernant, 60200 deep products to be accom- Compiegne, France; tel: 33m o d a t e d . The a u t o m a t i c 44-86-41-14.
EQ
~2_ . . . . . . :;
P u l t r e x delivers two f i l a m e n t winding systems The r a n g e of f i l a m e n t w i n d i n g m a c h i n e s a v a i l a b l e f r o m P u l t r e x L t d o f C l a c t o n - o n - S e a , UK, c o n t i n u e s t o e x p a n d . The c o m p a n y says t h a t its M o d w i n d m a c h i n e s a r e m o d u l a r in c o n s t r u c t i o n w h i c h a l l o w s t h e m to b e b u i l t w i t h m a n y v a r i a t i o n s of a x e s , s p i n d l e s a n d l e n g t h capacities. P u l t r e x ' s m o s t r e c e n t m a c h i n e for t h e US m a r k e t h a s a f o u r - s p i n d l e , f o u r - a x i s c o n f i g u r a t i o n , a n d is ideally s u i t e d to v o l u m e p r o d u c t i o n of o v e r - w o u n d p r e s s u r e vessels, w i t h t h e f o u r - a x i s r o t a t i n g f e e d - e y e giving a c c u r a t e p l a c e m e n t o f f i b r e s o v e r t h e critical e n d o p e n i n g s . To c o m p l e t e t h e t o t a l w i n d i n g s y s t e m P u l t r e x s u p p l i e d its l a t e s t c o m p a c t 16 s p i n d l e fibre t e n s i o n i n g a n d resin i m o v e g n a t i o n s y s t e m a n d i n t e r f a c e d it w i t h a n IBM c o m p u t e r to give d a t a logging a n d m a n u f a c t u r i n g records. Th~ c o m p a n y h a s also r e c e n t l y c o m p l e t e d a selfc o n t a i n e . ' s m a l l m a c h i n e for L i v e r p o o l University, UK. This m a c h i n e h a s a m a n d r e l c a p a c i t y o f 300 m m diameter x 2000 mm long and has a three-axis c o n f i g u r a t i o n . A G E F a n u c 32 bit p r o c e s s o r c o n t r o l is f i t t e d i n t o t h e m a c h i n e h e a d s t o c k . D r G i b s o n , of L i v e r p o o l University, says t h a t s e v e r a l p r o j e c t s will be u n d e r t a k e n o n t h e m a c h i n e . Initially c o m p o s i t e t u b e s f o r t h e o f f s h o r e i n d u s t r y will b e p r o d u c e d , w i t h p a r t i c u l a r a t t e n t i o n b e i n g p a i d to i m p a c t b e h a v i o u r , b u c k l i n g a n d i n t e r n a l a n d e x t e r n a l p r e s s u r e a n d loads. Development of filament wound thermoplastic and e n g i n e e r i n g c o m p o n e n t s , e.g. r o p e a n d c a b l e a n d s m a l l p r e s s u r e v e s s e l s will also b e c a r r i e d out. K a t e S h a w - S t e w a r t , P u l t r e x Ltd, B r u n e l R o a d , C l a c t o n - o n - S e a , E s s e x C 0 1 5 4LT, UK; tel: 0255429811; fax: 0255-436451.
Hot press expands Orkot's laminate production The o u t p u t of phenolic laminates at Orkot Engineering Plastics has been e x p a n d e d by the installation of a 350 tonne 3-platen hydraulic hot press. The press was built by Italpresse of Bagnatica, Italy, a n d s u p p l i e d by M a c k e y Bowley of Gravesend, UIC The press forms part of a new ~250 000 p r o d u c t i o n
REINFORCED
PLASTICS
MARCH
1990
cycle includes dwell times for curing, while return cylinders speed the closing of the b o t t o m mobile platen to provide high productivity. Mackey Bowley International Ltd, Norfolk Road I n d u s t r i a l Estate, Gravesend DA12 2PT, UK; tel: 0474-363521; f a x : 0474334818.
[ ] Computerized modelling of composites
A modelling tool designed for specialists in the composite m a t e r i a l s field h a s b e e n launched by French software company Compiegne Science I n d u s t r i e (CSI) of Compiegne. According to CSI, Composic can handle and analyse every step in a material's manufacturing process: monodirectional, tissues, complex layers or sandwiches, c o a t i n g , coiling or weaving. In addition, using Composic's materials database, the user can create a reproduction during the modelling stage of each step in the manufacturing process. The c o m p a n y says t h a t once a composite has been defined it is easy to modify or line for Orkot, a composite erase the c o m p o n e n t elematerial m a d e from fibre ments or combine them in c l o t h s i m p r e g n a t e d w i t h new structures. As well as phenolic resins. The mater- being able to visualize steps ial is available in a number of in the manufacturing progrades, b a s e d on varying cess, it is also possible to fabrics and resins, and used repeat them using symmetry in bearing and sealing appli- or translation. cations. Composic is a specialized Mackey Bowley says that tool for CSI's MEF/Mosaic the 2250 mm x 750 mm finite element modelling proplatens on the press allow gram. t h e p r o d u c t i o n of l a r g e F r a n c o i s D i a z , Comitems; loading is carried out piegne Science Industrie, on the long side. A daylight Immeuble Technopolis, Rue opening of 450 mm permits des Fonds Pernant, 60200 deep products to be accom- Compiegne, France; tel: 33m o d a t e d . The a u t o m a t i c 44-86-41-14.