Shaanxi Peakrise Metal Co.,Ltd
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Forged Molybdenum Crucible For Vacuum Coating Industry
1. Forged molybdenum crucible description for vacuum coating industry:
Forged molybdenum crucible is made of forged molybdenum rods through lathe processing. It mainly uses flat drills to drill high-quality molybdenum rods through a drilling machine, and finally produces molybdenum crucibles. This method wastes a lot of molybdenum materials, so the cost is also high. However, the mechanical properties of the molybdenum tube of this process are better, and it mainly produces medium and small molybdenum crucibles.
2. Size of Forged Molybdenum Crucible For Vacuum Coating Industry:
| Purity | Density | Size | Tolerance | Wall thickness(mm) | |||
| 99.95% | ≥10.2g/ cm3 | Diameter(mm) 10-100 | Height(mm) 10-200 | Diameter +/-0.2 | Height +/-5.0 | 1-2 | |
Molybdenum crucibles processed by forging machines are mainly small-sized crucibles, which are processed by lathes from molybdenum rods.
Also we can process as per customer's request.
Surface is bright,Surface roughness is less than Ra3.2
Use Temperture: 1100 ℃~1700 ℃.
Other Size and shape crucible, pls send to us the drawing.
3. Process craft of Forged Molybdenum Crucible For Vacuum Coating Industry:
The molybdenum crucible usually uses molybdenum powder as raw material, and is sintered after being formed by a cold and other precision press. After sintering, circulating water is used to cool the intermediate frequency sintering furnace for 9-10 hours. After that, the molybdenum rod is taken out and heated in a muffle furnace. Then take it out, use an air hammer with an impact force of 1000 kg, forge it 30-40 times, and then use the machining method to carve out the groove, and then finish turning the outer circle and end face, so that the surface roughness of the molybdenum crucible reaches Ra1.6 -Ra3.2μm, made of molybdenum crucible.
4. Applictaion of Forged Molybdenum Crucible For Vacuum Coating Industry:
The melting point of molybdenum crucible is as high as 2610 °C, As a result, it is frequently employed as a core container in industrial furnaces such as those used in the formation of sapphire single crystals, the melting of quartz glass, the smelting of rare earths, etc. Its working temperature environment is generally above 2000 °C. At present, the LED industry is developing rapidly, and single crystal sapphire has a larger market, which also expands the use of molybdenum crucibles. High purity, high density, no internal cracks, accurate dimensions, smooth inner and outer walls, etc. molybdenum crucibles. can produce high-quality sapphire crystals.
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