The composition of chillers in glass tempering furnace and how it works

The composition of chillers in the glass tempering furnace : the chillers are composed of several chiller assemblies, each consisting of a number of small air boxes and an air distribution box, connected to be an integrated device through the chiller frame. 

How the chiller in the glass tempering furnace works: The air distribution boxes are connected to the blowing system through canvas tubes. The cooling air will fill the air chambers of all small air box via the distribution box, flowing horizontally in these small air boxes and blowing out through the aluminum nozzles to quench the tempered glass.

The composition of chillers in glass tempering furnace and how it works

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What are the main structural components of LandGlass’ C-bent glass tempering furnace?

The C-bent section of LandGlass’ C-bent glass tempering furnace employs a fully integrated welding rack. The main components comprise of a cooling system, a drive system, a servo controlled bending system and an air control system. The cooling system is formed by an upper and lower chiller, air boxes and air pipes; the drive system is formed by a variable-frequency motor, decelerator and a roller bed that can execute lateral bending; the servo controlled bending system is primarily formed with an upper and lower chiller bending structure and arc-adjusting structure; the air control system is formed by the shutter, air release valve, air distribution boxes, etc.

What are the main structural components of LandGlass’ C-bent glass tempering furnace?


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What defects usually occur during the early stage of glass heating in the glass tempering machine ? How should we resolve such issue?

Due to the contact between the glass and the rollers in the glass tempering furnace, the lower surface of the glass will expand faster than the upper surface. Therefore, the glass will bend upwards and only the middle section of the glass is in contact with the roller of the glass tempering furnace resulting in a faster rise in temperature of this section (the principle of thermal conduction). The sections hanging in the air will only be in contact with the rollers to continue absorbing heat after the glass plates completes the softening process. At this moment, the heat in the middle of the glass is much more than the upper surface of the glass. This has resulted in a severe deformation followed by optical distortion because of temperature differences. At this point, the speed of the convectional blowers in the upper section of the glass tempering machine should be properly increased or the upper and lower furnace temperature should be adjusted accordingly, allowing the glass to be rapidly flattened in the glass tempering furnace so that the issue can be rectified in a timely manner.


What defects usually occur during the early stage of glass heating in the glass tempering machine ? How should we resolve such issue?

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How do you dismantle the ceramic rollers in the glass tempering furnace?

Only when the glass tempering furnace has been completely cooled before you can change the ceramic rollers in the tempering furnace. While changing the ceramic rollers, engage at least three people (each on one side and one to two person(s) in the center). During the dismantling process, remove the fixed screws on the bearings first. Engage in joint efforts to lift up the ceramic rollers on the glass tempering machine and place them on the conveyor rack. Thereafter, pull out the ceramic rollers. It should be noted that the action should be light and slow while pulling out the ceramic rollers in the glass tempering furnace. Do not knock against or scratch the roller at any time. 

How do you dismantle the ceramic rollers in the glass tempering furnace?

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How do you clean up the ceramic rollers in the glass tempering furnace?

Use a vacuum cleaner to remove the surface powdery dust on the ceramic rollers in the glass tempering furnace. After that, soak a clean, hairless, soft, white cloth with the softening water and begin to wipe from the center on each side respectively to eradicate the dust. It is best to use distilled or pure water for the wiping process. Refrain from using alkaline cleaning agents or chemicals.

How do you clean up the ceramic rollers in the glass tempering furnace?

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What is the seamless input/output processing control in the glass tempering furnaces?

What is the seamless input/output processing control in the glass tempering furnaces? 

It refers to the processing control over the heating chamber to allow input and output simultaneously. While the traditional process does not allow a new production cycle before vacating the heating chamber, this method offers much higher productivity; the shortfall of this approach is the lack of flexibility in settings as the input and output have to be synchronized.

What is the seamless input/output processing control in the glass tempering furnaces?

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How does a proximity switch work?

A proximity switch is a type of position limit switch that operates without any direct physical contact with moving parts. When an approaching object being sensed within the detection range, the switch will be actuated without physical contact or pressure to emit control command to PLC. It is used for position limit, object counting, positioning control, and automatic protection in auto-control systems. 

How does a proximity switch work?

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