Molybdenum Heat Shield:
As thermal insulation components, molybdenum heat shield and molybdenum covers play a important role for heat blocking and reflecting in sapphire growth furnace. A high purity, precisely sized, smoothly clean, easy assembly and appropriately designed heat shield is significant for crystal pulling quality.
As the heat-shield parts in the sapphire growth furnace, the most decisive function of molybdenum reflection shield is to prevent and reflect the heat in the furnace. Heat-shield parts with high-density, exact-measurement, smooth-surface, convenient-assembly and reasonable-design has great significance in improving the crystal-pulling.
Molybdenum heat shield Dimension (mm):
Molybdenum Cover Plates Molybdenum Heat Shield/ Single sheet
Sheet Thickness Dia (Max) Sheet Thickness Dia(Max) Height(Max)
2.0 0.1 660 0.2 2.0 0.1 450 2 660 1
1.0 0.08 660 0.2 1.0 0.08 610 2 660 1
0.5 0.04 660 0.2 0.5 0.04 700 2 660 1
0.3 0.03 660 0.2 0.3 0.03 700 2 660 1
Molybdenum heat shield processes and quality control:
No. Processes Equipment Quality
1 Molybdenum sheet 1.Physical and chemical properties accordance with customers specification
2.Correct size 3.Clean surface, no defect.
2 Inspection
3 Roll bending Asymmetric three-rollers plate bending machine Correct barrel height and diameter
4 Drilling and riveting CNC milling machine, bench driller Firmly riveting
5 Cleaning Surface clean and no defect
6 Inspection Correctly positioned assembly holes
7 Assembling Clean surface
8 Cleaning Correct barrel height and diameter
9 Inspection Firm assembly, no bond between layers
10 Packing Firm wooden case within quality certificate
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