mirror production from sand to glass

Mirror Production

www.deknudtmirrors.com

Production from

sand to glass

Mirror Production

www.deknudtmirrors.com

Raw materials : weighing,

mixing and supplying

Furnace :heating rawu materials to > 1560°C

Refining oven : cooling liquid

glass down to 1100-1300°C +

removing light bubbles and impurities

Tin bath : glass mass onbath of liquid tin in correct

thicknessPerfect

planimetry.

Cooling :take away

tension and distortion +

slowly cooling down

to 600°Ctill ± 200°C

Cutting :cut cooled glass

to sizeProcessing : tempering,

bowing, sandblasting…

Mirror Production

www.deknudtmirrors.com

Bron : Pilkington

Raw materials for glass production :Weighing and mixing + Supply to the glass oven

Mirror Production

www.deknudtmirrors.com

Raw materials to the glass oven :Mixed raw materials are pushed to the glass oven

Mirror Production

www.deknudtmirrors.com

Mirror Production

www.deknudtmirrors.com

Glass oven :

Raw materials melted with gassburners to liquidglass

Mirror Production

www.deknudtmirrors.com

From oven to tin bath :Liquid glass mass is pulled on a bath of liquid tin

Mirror Production

www.deknudtmirrors.com

Harding process :Liquid glass mass is pulled over a bath of liquid tinPerfect planimetry - Determination of thickness by edge rolls on the side.

Mirror Production

www.deknudtmirrors.com

Mirror Production

www.deknudtmirrors.com

Cooling section :Glass (+- 600°C) is cooled down to about 200°C.Internal tensions are removed.

Mirror Production

www.deknudtmirrors.com

Control

Mirror Production

www.deknudtmirrors.com

Glas cutting to right size

Mirror Production

www.deknudtmirrors.com

Mirror Production

www.deknudtmirrors.com

Glass transport to customer