Top Banner
Mirror Production www.deknudtmirrors.com Production from sand to glass
14

Mirror production from sand to glass

Apr 16, 2017

Download

Design

Jürgen Derieuw
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Page 1: Mirror production   from sand to glass

Mirror Production

www.deknudtmirrors.com

Production from

sand to glass

Page 2: Mirror 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…

Page 3: Mirror production   from sand to glass

Mirror Production

www.deknudtmirrors.com

Bron : Pilkington

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

Page 4: Mirror production   from sand to glass

Mirror Production

www.deknudtmirrors.com

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

Page 5: Mirror production   from sand to glass

Mirror Production

www.deknudtmirrors.com

Page 6: Mirror production   from sand to glass

Mirror Production

www.deknudtmirrors.com

Glass oven :

Raw materials melted with gassburners to liquidglass

Page 7: Mirror production   from sand to glass

Mirror Production

www.deknudtmirrors.com

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

Page 8: Mirror production   from sand to glass

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.

Page 9: Mirror production   from sand to glass

Mirror Production

www.deknudtmirrors.com

Page 10: Mirror production   from sand to glass

Mirror Production

www.deknudtmirrors.com

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

Page 11: Mirror production   from sand to glass

Mirror Production

www.deknudtmirrors.com

Control

Page 12: Mirror production   from sand to glass

Mirror Production

www.deknudtmirrors.com

Glas cutting to right size

Page 13: Mirror production   from sand to glass

Mirror Production

www.deknudtmirrors.com

Page 14: Mirror production   from sand to glass

Mirror Production

www.deknudtmirrors.com

Glass transport to customer