Operation instructions of Welding wire oven

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Information about Operation instructions of Welding wire oven
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Published on June 17, 2016

Author: lawrence418413

Source: authorstream.com

slide 1: P u r p o s e T h e h i g h e s t w o r k i n g t e m p e r a t u r e o f t y p e L A 7 0 4 d i g i t a l d i s p l a y w e l d i n g w i r e o v e n i s 5 0 0℃ . I t i s s u i t a b l e f o r b a k i n g d r y i n g o v e n o n h e a t t r e a t m e n t o r o t h e r h e a t i n g . A n d i t i s a l s o a r e g u l a r i n s t r u m e n t i n l a b o r a t o r i e s . T h e w o r k i n g t e m p e r a t u r e o f t h e o v e n c a n b e f r o m t h e r o o m t e m p e r a t u r e t o t h e h i g h e s t t e m p e r a t u r e a w o r k i n g t e m p e r a t u r e c a n b e s e l e c t e d r a n d o m l y w i t h i n t h i s r a n g e . A f t e r t h e s e l e c t i o n t h e t e m p e r a t u r e c a n b e k e p t c o n s t a n t b y t h e a u t o m a t i c c o n t r o l l i n g s y s t e m i n t h e o v e n . I n t h e w o r k i n g c h a m b e r o f t y p e L A 7 0 4 w e l d i n g w i r e o v e n i t m a k e s c o n v e c t i o n b y t h e s p e c i f i c g r a v i t y o f t h e c o l d a n d h o t a i r t h u s m a k e s t h e t e m p e r a t u r e i n t h e c h a m b e r e v e n . T h e s t r u c t u r e o f t h i s o v e n i s p r e c i s e t h e t e m p e r a t u r e c o n t r o l i s s e n s i t i v e a n d a c c u r a t e a n d t h e o p e r a t i o n i s e a s y . I t i s s u i t a b l e f o r i n d u s t r i a l m i n i n g a n d t h e s c i e n t i f i c r e s e a r c h u n i t s o f u n i v e r s i t i e s a n d c o l l e g e s e t c . T h e t y p e L A 7 0 4 d i g i t a l d i s p l a y w e l d i n g w i r e o v e n a d o p t s t h e l a t e s t d i g i t a l d i s p l a y i n s t r u m e n t f o r t e m p e r a t u r e m e a s u r i n g a n d t h e t e m p e r a t u r e c o n t r o l i s s e n s i t i v e a c c u r a t e a n d c l e a r . S t r u c t u r e T h e o v e n i s m a d e o f t h i n s t e e l s h e e t s f i b e r g l a s s i s i n s e r t e d b e t w e e n t h e w o r k i n g c h a m b e r a n d o u t e r p l a t e o f t h e o v e n a s t h e r m a l i n s u l a t i o n t h e r e i s a s e a l r i n g e m b e d d e d i n t h e d o o r . T h e c o l d a i r i n t h e w o r k i n g c h a m b e r c a n c o n v e n t i f t h e e x h a u s t v a l v e o n t o p o f t h e o v e n i s o p e n t h e t e m p e r a t u r e i s c o n t r o l l e d c o n s t a n t a u t o m a t i c a l l y b y d i g i t a l d i s p l a y i n s t r u m e n t . A l l t h e e l e c t r i c a p p l i a n c e s a r e i n s t a l l e d i n t h e c o n t r o l l a y e r a t t h e s i d e o f o v e n . T h e c o n t r o l l a y e r h a s a s i d e d o o r w h i c h c a n b e d e m o u n t e d f o r i n s p e c t i o n o r w i r e r e p a i r . T h e e l e c t r i c h e a t e r i s i n s t a l l e d i n t h e w o r k i n g c h a m b e r o f t h e o v e n a t l e f t r i g h t a n d b o t t o m i t i s t o t a l l y d i v i d e d i n t o t w o s e t s n a m e l y “ L o w t e m p e r a t u r e ” “ H i g h t e m p e r a t u r e ” . A n d t h e r e i s a n i n d i c a t o r l i g h t i t m e a n s t h e e l e c t r i c h e a t e r i s w o r k i n g i f t h e l i g h t i s l i t a n d t h e h e a t i n g i s s t o p p e d i f t h e l i g h t i s o f f . C a u t i o n s : 1 . W h e n t h e p o w e r i s c o n n e c t e d t h e 2 s e t s o f h e a t i n g s w i t c h e s c a n b e t u r n e d o n a t t h i s m o m e n t t h e t e m p e r a t u r e i n t h e o v e n s t a r t s t o r i s e t h e i n d i c a t o r l i g h t i s l i t . 2 . R e g a r d i n g t h e L A 7 0 4 w e l d i n g w i r e o v e n w h e n t h e t e m p e r a t u r e r i s e s t o t h e d e s i r e d d e g r e e t h e t e m p e r a t u r e m a y s t i l l r i s e w h e n t h e c o n s t a n t t e m p e r a t u r e j u s t b e g i n s t h i s i s b e c a u s e o f t h e w a s t e h e a t . I t w i l l b e s t a b l e i n a b o u t h a l f a n h o u r . D u r i n g t h e c o n s t a n t t e m p e r a t u r e p r o c e s s t h e t e m p e r a t u r e w i l l b e c o n t r o l l e d a u t o m a t i c a l l y b y t h e t e m p e r a t u r e c o n t r o l l e r i n t h e o v e n w i t h o u t m a n u a l o p e r a t i o n . slide 2: 3 . R e g a r d i n g t h e t y p e L A 7 0 4 w e l d i n g w i r e o v e n w h e n t h e a b o v e m e n t i o n e d p r e p a r a t i o n i s r e a d y t u r n t h e s w i t c h o n t h e p a n e l o f t h e d i g i t a l d i s p l a y i n s t r u m e n t t o t h e d e s i r e d w o r k i n g t e m p e r a t u r e o b s e r v e t h e i n s t r u m e n t d i s p l a y t h e n t h e w o r k m a y s t a r t . 4 . O n e s e t o f h e a t i n g s w i t c h e s c a n b e t u r n e d o f f w h i l e o n e s e t o f e l e c t r i c h e a t e r s i s l e f t f o r w o r k i n g w h e n t h e t e m p e r a t u r e i s c o n s t a n t f o r a v o i d i n g o v e r - p o w e r w h i c h m a y a f f e c t t h e s e n s i t i v i t y o f c o n s t a n t t e m p e r a t u r e . 5 . T h e o u t e r d o o r c a n b e o p e n e d w h e n y o u w a n t t o o b s e r v e t h e t e s t i n g m a t e r i a l i n t h e w o r k i n g c h a m b e r . B u t i t ’ s b e t t e r n o t t o o p e n t h e d o o r o f o v e n f r e q u e n t l y f o r t h e s a k e o f c o n s t a n t t e m p e r a t u r e . 6 . T h e o v e n s h a l l b e p u t i n a l e v e l e d p l a c e i n d o o r . 7 . A k n i f e s w i t c h w i t h i r o n s h e l l s h a l l b e i n s t a l l e d i n t h e p o w e r s u p p l y l i n e w h i c h i s e x c l u s i v e l y f o r t h i s o v e n a n d t h e o u t e r p l a t e s h a l l b e g r o u n d e d . 8 . T h e e l e c t r i c p e r f o r m a n c e o f t h i s o v e n s h a l l b e c h e c k e d p r i o r t o p o w e r c o n n e c t i o n a n d b e c a u t i o u s w h e t h e r t h e r e i s s h o r t - c i r c u i t o r l e a k a g e . 9 . W h e n e v e r y t h i n g i s O K t h e s a m p l e s c a n b e p u t i n c l o s e t h e d o o r o f t h e o v e n a n d t u r n o n t h e e x h a u s t v a l v e t h e s p a c i n g i s a b o u t 1 0 m / m . 1 0 . T h e c o n n e c t i o n c a n n o t b e d i s t u r b e d o r a l t e r e d . T h e s i d e d o o r c a n b e d e m o u n t e d o n l y w h e n t h e o v e n g o e s w r o n g c h e c k i t s t e p b y s t e p a l o n g t h e c o n n e c t i o n . P l e a s e c o n t a c t o u r f a c t o r y w h e n t h e r e i s m a j o r f a i l u r e . 1 1 . T h i s o v e n i s n o t a n e x p l o s i o n - p r o o f d r y i n g o v e n t h e r e f o r e t h e m a t e r i a l s w h i c h a r e c o m b u s t i b l e o r v o l a t i l e m u s t n o t b e p u t i n t o t h i s d r y i n g o v e n f o r p r e v e n t i n g e x p l o s i o n . 1 2 . E a c h u n i t o f t h e d r y i n g o v e n i s a t t a c h e d w i t h t w o s a m p l e s h e l v e s . T h e a v e r a g e l o a d o f s h e l f i s 1 5 k g . T h e s a m p l e s s h a l l n o t b e p u t o v e r c r o w d e d o r o v e r l o a d e d f o r t h e s a k e o f c o l d a n d h o t a i r c o n v e c t i o n . M e a n w h i l e n o s a m p l e s c a n b e p u t o n t h e r a d i a t o r p l a t e a t t h e b o t t o m o f t h e w o r k i n g c h a m b e r f o r a v o i d i n g o v e r h e a t w h i c h m a y d a m a g e t h e s a m p l e s . w w w . l a b - m e n . c o m M a i l : s a l e l a b - m e n . c o m i n f o l a b - m e n . c o m S k y p e : l o r m a n l e d

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