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What is the horizontal tempering method?

What is the horizontal tempering method?
Update Time:2018-07-31

What is the horizontal tempering method?



The horizontal tempering method is a method in which the entire tempering process such as transportation, heating, forming, and quenching is completed under the condition that the glass is completely horizontal. Since the horizontal tempering forming process can bend the glass, the horizontal tempering method can produce products such as flat tempered glass, single curved tempered glass, hyperboloid tempered glass, and double-folded tempered glass.


Each of the processes of the horizontal tempering process is carried out on a horizontal roller path in which the heating furnace and the cooling device are reciprocable. The cooling device of the horizontal tempering method is also a wind grille, and the jetting method is a nozzle type, a nozzle type, and a slit type. The upper air grille is composed of a steel frame, a wind turbine lifting device, a wind grille, a compressed air pipe and the like. The structure and number of the lower grille are the same as those of the upper grille, but the nozzle of the grille is installed at the upper end of the grille, and there is no guide plate between the windshields, leaving a certain gap so as to occasionally occur during the production process. The broken cullet can fall through the gap into the cullet conveyor below.


The horizontal roller type tempering furnace is the same as the vertical hanging method tempering furnace, and adopts electric radiation heating method. After many times of replacement, in recent years, there have been continuous forced convection heating tempering furnaces, roller-air cushion tempering furnaces, solid fluidized bed tempering furnaces with higher efficiency, lower energy consumption, better product quality and more advanced technology. Automatic bending furnace, gas tempering furnace and high-efficiency double-chamber tempering furnace.


Therefore, different horizontal tempering furnaces have different process parameters. The advantages of physical reinforcement are low cost, large output, high mechanical strength and thermal shock resistance. However, there are certain requirements for the thickness and shape of the glass, and there is also a problem of glass deformation during the tempering process, which cannot be applied in an area where optical quality is required to be high. In addition, physical tempered glass products can no longer be processed, and cracks on the surface or edges may cause the glass to self-explosion.


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