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Home » Architectural Glass Tempering Furnace » Automotive Glass Production Line » Windshield Bending Furnace » 2200x1200mm Matrix windshield glass thermal bending furnace with 21 pcs mold wagaons for automotive car laminated windshield

2200x1200mm Matrix windshield glass thermal bending furnace with 21 pcs mold wagaons for automotive car laminated windshield

2200x1200mm Matrix windshield glass thermal bending furnace with 21 pcs mold wagaons for automotive car laminated windshield

During the production process of car windshields, the glass needs to be placed in a glass hot bending furnace, heated at a temperature exceeding 600 ℃, and then annealed and cooled.

During production, the corresponding molds are placed in the drying and bending trolley. On the upper section, the operator places the pre treated qualified semi-finished glass onto the mold, and through lifting and conveying devices, the drying and bending trolley is lifted to the upper layer of the drying and bending furnace. It passes through the preheating section and drying and bending section in sequence. In the preheating section, the glass rises from room temperature to slightly lower than the glass softening temperature Tf (Tf is generally between 560-580 ℃), and in the drying and bending section, the glass temperature is higher than the softening temperature, The glass has basically softened and is in a relatively plastic state. The gravity gradually causes the glass to sag and fit around the mold to form a spherical surface, achieving the curvature and spherical requirements of the final product. Then, the glass is annealed and cooled through the annealing and cooling stages, with the aim of minimizing internal stress as much as possible

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Model:
LV-STB
Brand:
LEVER
Code:
84752919

Product Description

Construction of the Furnace

Main frame of the oven consists of steel structured modules covered by steel sheets. Innersurfaces have been insulated with a 200-250 mm thick insulation materials.

In the inner sides of the oven there are transport wheels in two levels in order to carry the moldwagons.

Heating and bending track is on the upper level and the cooling track on the lower level.

Construction of the Mold Wagon

The wagon carrying the bending mold is a temperature resistant stainless steel construction with railson the lower edges matching the transport wheels on the sides of the furnace wall.The bottom of thewagon is open and it has been covered by steel mesh to enable bottom heating and to prevent theglass of dropping over the heaters.

Max. Glass Size :2200x1200mm

Wagon Quantity: 2200x1200mm

Installation Power: about 650 Kw

Capacity/Productivity: 200-230 Pcs/8 Hours (2mm+2mm single curvature glass as sample)

Compressed Air: 0.3m³/h，0.7MPa

Cooling Power: about 6kw