Two persons are required to complete the lifting of the tempering furnace with one performing the operation and the other supervising the job. Never allow this job to be performed by one person! Never allow this job to be performed by non-professional personnel!
What are the specific requirements for fire-rated glass? Integrity, Fire insulation, Fire-resistance duration.Integrity: Under the standard fire resistance test conditions, when one surface of the glass is exposed to fire, the ability of the fireside glass surface to prevent flame and hot air from penetrating or appearing on the unexposed surface for a certain period of time.
Emergency stop buttons are provided on the main operating station and on each operating control box at the scene. In case of an emergency, pressing down the emergency stop switch will halt the movement of all drives in the tempering furnace immediately, trigger the alarm, and shut off the main power supply to the drives and control circuit to ensure personal safety.
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NiS (nickel sulfide) crystals contained in glass will undergo a phase change at 379℃, converting α-NiS crystalline form at high temperature into the β-NiS form at low temperature. The phase transition causes an increase in volume by 2%~4%, resulting in rough surface. If these impurities are located in the tensile stress zone, the increase in volume may cause spontaneous breakage of tempered glass.
ll moving parts should be either in the chamber or located behind protective barrier. Blowers shall be equipped with air-intake grid. The opening/closing part of the lifting device shall have safety pins. The lifting device in the bending chiller section shall have safety hook.