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How unique is the frame of a Deknudt Mirror?
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How unique is the frame of a Deknudt Mirror?

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Detailed survey of the different production steps a frame of a Deknudt Mirror has to go through before it can be used to assemble a decorative mirror

Detailed survey of the different production steps a frame of a Deknudt Mirror has to go through before it can be used to assemble a decorative mirror

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  • 1. M irror M anu factu irng P rod u ction of P U fram e s www.d e knu d tm irrors .com
  • 2. M irror M anu factu irng Te ch nich al info ab ou t m axim u m d im e ns ions : S ize of th e m ou ld : m axim u m 1 900 x 1 200 m m D e ns ity P U fram e s : + - 400 gr/ m ³ d D e ns ity s e cu rity gate s : + - 600 gr/ m ³ d P U fram e s of h igh d e ns ity (= m ore th an 350 gr/ m ³ ) h ave th e s am e d p roce s s ing p os s ib ilitie s as wood . Little s e rie s are p e rfe ctly p os s ib le d u e to th e re lative ly low m ou ld cos t. (d e p e nd ing on th e s ize and th e d ifficu lty ab ou t 3000 - 5000 E U R O ). P U fram e s are wate r re s is te nt, can h and le h igh and low te m p e ratu re s with ou t any p rob le m and d o not ch ange form < = = > Wood (s h rinkage , s we lling, b owing… wood live s ) www.d e knu d tm irrors .com
  • 3. M irror M anu factu irng In h ou s e d e s ign te am d e s igns cons tantly ne w m irror m od e ls www.d e knu d tm irrors .com
  • 4. M irror M anu factu irng F rom an ap p rove d d rawing With th e p rototyp e a m ou ld is m ad e in e p oxy. a p rototyp e is s cu lp tu re d . Both front and b acks id e . G e ne rally b y h and in wood . C fr. Waffle iron www.d e knu d tm irrors .com
  • 5. M irror M anu factu irng O p e ne d m ou ld irons S te p 1 : s p raying loos e ne r C fr. Waffle irons (cfr. G re as ing waffle iron) to p re ve nt P U from s ticking to th e m ou ld www.d e knu d tm irrors .com
  • 6. M irror M anu factu irng S te p 2 : clos e m ou ld with a clip s ys te m S te p 3 : Inj ction of th e P U foam e Th e m ou ld irons are s h u t with a clip . Is inj cte d from one s id e of th e m ou ld . e Th e e xp ans ion p re s s u re of th e P U foam wou ld op e n O nce th e foam is com ing ou t on th e oth e r s id e , th e m o u ld th e h ole of th e m ou ld is s lam m e d s h u t www.d e knu d tm irrors .com
  • 7. M irror M anu factu irng S te p 4 : le t P U foam b e com e h ard S te p 5 : Take th e fram e ou t of th e m ou ld and cle an it D e p e nd ing on th e d e s ign, ab ou t 1 5 to 20 m inu te s R e m ove fram e from m ou ld . for th e P U foam to e xp and and h ard e n. C le an m ou ld for ne xt rou nd . D u ring th e e xp ans ion , e xote rm re actions warm s th e P U to ab ou t 40 ° C = = > H 2O cooling arou nd th e m ou ld www.d e knu d tm irrors .com
  • 8. M irror M anu factu irng S te p 6 : s trip p ing P U b u rrs are s trip p e d from th e fram e , little h ole s are fille d , fram e is cle ane d for p rim ing Q u ality control. www.d e knu d tm irrors .com
  • 9. M irror M anu factu irng S te p 7 : D rying ove n S te p 8 : P rim e r P U fram e s are h u ng for at le as t 1 0 d ays P rim e r is s p raye d on th e fram e . in an ove n of ab ou t 40° C in ord e r to d rive o u t air and p os s ib le gas s e s . D e p e nd ing on th e final d e coration : ¤ in co lou r ¤ with glu e for gold or s ilve r le af www.d e knu d tm irrors .com
  • 10. M irror M anu factu irng S te p 9 : gold or s ilve r le af F ram e is cove re d with le afs of m e tal in gold , s ilve r or cu p p e r colou r b y h and www.d e knu d tm irrors .com
  • 11. M irror M anu factu irng S te p 1 0 : B ru s h ing off O nce cove re d , th e fram e is b ru s h e d to re m ove all th e re s t le afs and cle an it u p . www.d e knu d tm irrors .com
  • 12. M irror M anu factu irng S te p 1 1 : F inal d e coration D e p e nd ing on th e d e s ire d d e coration, th e gold - or s ilve rle afe d fram e is finis h e d with s and or oil p atinas . www.d e knu d tm irrors .com
  • 13. M irror M anu factu irng S te p 1 2 : Afte r p u ttin g on a p rote cting varnis h laye r, th e fram e s are th orou gh ly ch e cke d . www.d e knu d tm irrors .com