"TUBE ASSEMBLER, CATHODE RAY"

Job Description and Jobs

• 4) Verifies that aperture mask and display screen fit together according to corresponding numbers.

• 5) Examines aperture mask and screen in light box to detect misaligned color dots, using microscope.

• 6) Positions funnel in rotatable chuck equipped with automatic frit dispenser.

• 7) Moves controls that index frit dispenser around edge of funnel mouth to dispense sealant.

• 8) Removes frit-coated funnel from chuck and secures funnel in jig for joining display screen assembly onto funnel.

• 9) Positions display screen assembly on funnel edge and aligns screen with reference points on funnel.

• 10) Pushes jig onto conveyor leading into oven to fuse funnel and display screen assembly into bulb.

• 11) Places bulb on holding fixture of sprayer to coat interior surface of bulb with protective layer of lacquer.

• 12) Places bulb onto holding fixture of evaporation equipment to apply aluminized coating to interior surface of bulb.

• 13) Places bulb onto conveyor that carries bulb through processing stations to preheat bulb, insert and fuse gun to neck of bulb to form tube, and anneals and cools tube assembly.

• 14) Places tube onto cart or conveyor for further processing.

• 15) Inspects tube for imperfections, such as blemishes, coating defects, scratches, bubbles, or stains, using magnifier, ultraviolet light, inspection booth, or unaided vision.

• 16) May be designated according to duties performed as Aluminizer; Bulb Assembler; Dag Coater; Frit Coater; Funnel Coater; Gun-Sealing-Machine Operator; Lacquer Sprayer.

 

 

 

 

 

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