Some figures on the last Glasstec.

 

The show held in October 2018 in Dusseldorf saw a growth of almost 5% in the number of visitors, slightly lower than the records of 2012 and 2014.

 

The show is truly an international fair with more than 70% of visitors coming from abroad.

On the other hand the number of exhibitors is in withdrawal (figures not given by the organizer) with some hall not completely filled

There are no translations available.

 

Vente société installation de miroirs sur le marché du sport

 

 

Une petite société qui vend et installe sur toute la France des miroirs destinés à des applications sportives est en vente. Quelques informations supplémentaires sur le lien suivant.

 

 

Vente et installation de miroirs sur le marché du sport

 

Je reste à votre disposition si vous souhaitez plus d'informations ou rentrer en contact avec le dirigeant de cette société.

Glass@comascotec.com ou 06 64 73 63 77

New options for Battellino robot for double glazing

 

- BAR CODE READER: this allow to the customer to create bar codes that can give the machines all the information about: Type of frame ( aluminum stainless steel) thickness of the 1^ 2^ and in case of triplex 3^ glass; Thickness of the frame; information if the glass is a simple double of a triplex.

- SHAPED GLASS a special environment on the panel ( see attachments) allow the customer to choose from different kind of shapes of glass to work.

- MONUMENTAL GLASS opportunity to work also frames of only 4 mm, this device is particularly interesting for the companies that work with restoration of old buildings. Really interesting because this kind of glasses are really difficult to job well also manually.

-SPEED faster then in the pass the new version runs at 18 mt/min also the working of the corners was modified to run faster ( a glass of 100x80cm can be done in approximately 45 sec.

- NEW TOUCH SCREEN PANEL if in the older machines were equipped with a commercial PC, the new models are equipped with an Industrial panel, more powerful and more reliable, like in the past, also this new touch can be delivered in the language of the customer.

- NEW PUMPS thanks to a new supplier that helped us creating with us a special pump for our robot we have had the opportunity to offer the robot with a better price

- 4.0 MACHINE the machine can be certificated as 4.0 industrial machines that means higher score to access to European founds.

 

For more information glass@comascotec.

 

Technical news for Battellino Italian machines manufacturer

- STRONGER INLET AND OUTLET ARMS we change the system of inlet and outlet conveyor to allow to our machine to can sustain more weight following the requests of our customers.

- NEW GASKET SYSTEM  to help our customers to maintain in better conditions their machines, we modified the gasket set of our spindles, to avoid more and better any problem of leak of water.

- NEW WIDE TOUCH SCREEN we improved our machine with a multilingual wide touch screen. The panel, equipped with our new software divided into environments,  gives to the operator the opportunity of set easily the speed of work, the thickness of the glass, the operations of the pneumatic motors and the working of the water pump moreover shows to the customer , the total and partial meters worked by the machine, the way of working of the machine in each phase of work, helping him also in the maintenance of the parts.

- NEW SYSTEM OF GUIDES FOR THE DIAMOND AND POLISHING MOTORS,  a new system of guides for the motors give them more stability to improve more possible the quality of the glass.

 

More information on glass@comascotec.com

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Information

This introduction is for no professional person. It is only a first step to better understand this material.

For professionals or to have deeper information you can have a look on the following web sites.

 

www.verreonline.fr

www.verre.org

www.glassalia.com

www.infovitrail.com

www.saint-gobain-vitrage.com

www.pilkington.com

www.agc-flatglass.eu

www.yourglass.fr

www.idverre.net

Article from Jean-Claude Lehmann ( Saint-Gobain).

 

The glass

Considering the chemical composition it is possible to consider 3 different glasses.

The sodo-calcic glasses

The boro-silicat glasses

-The vitro-céramique glasses

 

The sodo-calcic glasses are mainly used in architectural markets.

The boro-silicate glasses, due to the low distention coefficient, are present on markets where are important temperature differences and with contact with fire

A very well-known trademark on this field is Pyrex.

The vitro-céramique glasses, with also a low distention coefficient are present in household appliance (oven doors, cooking plates, chimneys…)

 

This important difference in the chemical composition has results in their properties and using areas. Silica represents between 50% and 90% of the total composition.

Moreover :

-The sodo-calcic glasses have additions of calcium and sodium oxides.

-The boro-silicate glasses have boron oxide.

-The vitro-céramique glasses have aluminium oxide.

There are other oxides (Baryum, Lithium, Magnesium, Potassium, Zinc, Titan….) each giving a specific property, (color, melting point, chemical resistance, mechanical properties..).

A very interesting thing is that the glass compositions have not very different between to-day and 1600 years ago.

The flat glass is mainly used :

-70% in architectural

-20% in automotive

The car we have dreamed when we was a child

 

Is not exactly the same we drive to-day.

 

-10% in décoration and appliance

 

In architectural and automotive is required the more perfect transparency for the light and the weakest transparency for infrared light, because the solar energy is carried by infrareds (to minimize the increasing of temperature inside the building or the car). Infrareds carry also, during winter, the heat to outside and increase the energy used for heating.

Adjusting the glass chemical composition the more important flat glass suppliers Saint-Gobain, PPG, Pilkington, AGC …) succeed to manufacture such glasses.

Glass is transparent, but you can see that, in fact, it has a green colour (due to iron presence) more obvious for high glass thickness (more than 12 mm).

This green colour can be removed with manganese or selenium addition.

The glass can be also coloured.

Cobalt gives a blue colour

Selenium in large quantities gives a red colour

Copper oxide gives a turquoise colour.

With Nickel depending the concentration you can obtain a large colour range from blue to black

With tin you have shadowed white

With iron you can have, black, brown or green

With Titanium black yellow

With gold several different yellow

With uranium addition from yellow to fluorescent green

With Silver nitrate from orange to yellow

 

 

Colored glass from Egypte, around 600 years before JC

 

The colors grades are also depending from glass heating and cooling (like in pottery).

 

You can colour all the glass surface. Generally this operation is done with rolls (see the area for colored glass in the section machines comparisons) engraved or not, or with pistols.

You can also put a colored image on the glass (with screen printing or digital printing). For more information go to the corresponding area in machines comparisons.

 

Screen printing from Andy Warhol

 

 

 

 

Other more industrial exemple.

 

 

After this operation the glasses go inside a furnace to fix the color on or inside the glass depending the final using (advertising, architectural…).

 

 

Industrial glass manufacturing.

The different products are sent in a melting oven. The industrial process is called "float"

This process was design by a person called Pilkington. This invention allowed to decrease drastically the manufacturing cost and opened huge market for flat glass.

At the oven outlet the glass flows on a tin bath.

 

Float glass drawing

Float drawing

 

The glass goes inside rolls allowing to produce glass in the thickness required (3, 4 ,5 ,6 , 8 ,10  ,12 ,15 ,19 mm), is cut and sent to the processing companies.