PL413030A1 - Method for toughening of glass plates maintaining the uniform internal stress on the entire surface - Google Patents
Method for toughening of glass plates maintaining the uniform internal stress on the entire surfaceInfo
- Publication number
- PL413030A1 PL413030A1 PL413030A PL41303015A PL413030A1 PL 413030 A1 PL413030 A1 PL 413030A1 PL 413030 A PL413030 A PL 413030A PL 41303015 A PL41303015 A PL 41303015A PL 413030 A1 PL413030 A1 PL 413030A1
- Authority
- PL
- Poland
- Prior art keywords
- glass
- stream
- ambient temperature
- entire surface
- uniform internal
- Prior art date
Links
Landscapes
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
Sposób hartowania formatek szklanych, zwłaszcza o wymiarach 1600 x 2100 mm dla szkła gr. 3 mm z zachowaniem równomiernego naprężenia wewnętrznego na całej powierzchni charakteryzuje się tym, że wprowadza się formatkę szklaną do urządzenia grzewczego w początkowej fazie z nadmuchem gorącego powietrza o temperaturze 500 do 540°C skierowanym pod niewielkim kątem 10 do 15° ukierunkowanym do środka urządzenia grzewczego, a następnie kieruje dwustronnie z góry i od dołu formatki szklanej, z przesunięciem fazowym, strugi górnej w stosunku do strugi dolnej wynoszącej od 5 do 10 cm, gorące powietrze z góry wynoszące 640°C, zaś z dołu wynoszące 645°C, przy czym formatkę szklaną wprowadza się w ruch posuwisto zwrotny w kierunku linii wzdłużnej transportera z prędkością 2 do 5 cm/s o częstotliwości 5 do 10 cykli na minutę i wygrzewa w czasie 2 do 3 minut, po czym przemieszcza do komory schładzania, w której poddaje się gwałtownemu schłodzeniu rozproszoną strugą powietrza o temperaturze otoczenia i ciśnieniu 1500 mm H2O w czasie 2 do 4 sekund, a następnie poddaje procesowi powolnego schładzania rozproszoną strugą o temperaturze otoczenia i ciśnieniu 120 mm H2O w czasie około 70 sekund do uzyskania temperatury otoczenia.Method of hardening glass pieces, especially with dimensions of 1600 x 2100 mm for glass thickness 3 mm with uniform internal tension over the entire surface is characterized by the fact that a glass form is introduced into the heating device in the initial phase with a blow of hot air at a temperature of 500 to 540 ° C directed at a small angle of 10 to 15 ° directed to the center of the heating device, and then directs from both the top and bottom of the glass mat, with phase shift, the top stream relative to the bottom stream from 5 to 10 cm, hot air from above at 640 ° C, and from below at 645 ° C, with the board glass is moved back and forth towards the longitudinal line of the conveyor at a speed of 2 to 5 cm / s at a frequency of 5 to 10 cycles per minute and heated for 2 to 3 minutes, after which it is moved to a cooling chamber, where it is subjected to rapid dispersed cooling air stream with ambient temperature and pressure of 1500 mm H2O during 2 to 4 seconds, and then subjected to a slow cooling process with a dispersed stream at ambient temperature and pressure of 120 mm H2O for about 70 seconds to obtain the ambient temperature.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL413030A PL234953B1 (en) | 2015-07-06 | 2015-07-06 | Method for toughening of glass plates maintaining the uniform internal stress on the entire surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL413030A PL234953B1 (en) | 2015-07-06 | 2015-07-06 | Method for toughening of glass plates maintaining the uniform internal stress on the entire surface |
Publications (2)
Publication Number | Publication Date |
---|---|
PL413030A1 true PL413030A1 (en) | 2017-01-16 |
PL234953B1 PL234953B1 (en) | 2020-05-18 |
Family
ID=57756473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL413030A PL234953B1 (en) | 2015-07-06 | 2015-07-06 | Method for toughening of glass plates maintaining the uniform internal stress on the entire surface |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL234953B1 (en) |
-
2015
- 2015-07-06 PL PL413030A patent/PL234953B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL234953B1 (en) | 2020-05-18 |
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