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Light Bulb Manufacturing Process
Transcript of Light Bulb Manufacturing Process
The bulbs are then sent through a series of flames to evaporate any moisture and breaks off any impurities Reheating The tubes then take another trip through a series of flames that softens the glass for the press to come and squash the glass encasing the wires in glass. At the same time the press punches a tiny hole in between the wires to later suck out the air from the bulb. Michael Edwards The Beginnings... The lightbulb's manufacturing line is split in two. One side does the glass bulb and the other does the mount, the part with all the electrical components. Once both sides are complete they merge. The "Mount" Line
At the start of the mount line a machine cuts glass tubing to a specific size The Glazing Wheel Once cut the glass tubing land on what is called a Glazing wheel, which turns the tubing through gas fires for about 7 seconds. This is to heat the glass enough to smooth the surface. Next the machine separates the lead wires and bends the wires into hooks. From this the machine coats the lead wires in another solution called zirconium The Glass Bulb
The Glass bulbs are made of and inexpensive glass. The first step in the bulb process is the bulbs are stamped with the wattage and company logo. All White Insides... The bulbs then move on to a machine that coats the insides with a powder called synthetic silicon. The coating machine charges the bulbs to 30,000 volts and combines it with a specific heat to make the thin white powder cling to bulb. Airless... The next machine vacuums out any air in the bulb and replaces it with pressurized argon gas to resist heat build up. Sealed... A machine then bends the lead wires out of the way and torches melt and seal off the glass exhaust tube locking the argon gas in. Based... The base to a bulb is made of aluminium. A machine inserts one of the bulbs lead wire through the middle and makes sure it's in place. Then spot welds the other wires to side providing two base contacts for two socket contacts Enlightened... Finally, the bulb is constructed and goes through a final flash test to ensure only working bulbs reach packaging Video: