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QUALITY CONTROL

PROCESS FLOW

Raw Material:
Select Nd、B-Fe and other metals. Basis of special proportional melt.
Strip Casting:
This process is based on HDDR technics. Make NdFeB alloy into strip with physical method.
Hydrogen Decrepitation:
make high grade and quality sintered NdFeB.
Jet Milling:
Make use of special equipment and utilize high speed air flow to make micro particle to manufacture NdFeB alloy power.
Pressing:
Utilize special pressing equipment to press NdFeB Power into certain shape with physical method.
Sintering:
Utilize vacuum sintered furnace. Sintering magnetic properties are developed by an aging heat treatment which may be in the presence of a magnetic field.
Inspection:
Key measurements including remanence, coercivity and maximum energy product are recorded.
Machining:
This Progress is to use the mechanical equipment to make the accurate dimensions and shapes.
Plating:
Coating with different material to protect the magnet from oxidation and rusty.
Final Inspection:
Check the appearance and inspect shapes and sizes of magnets.
Magnetizing:
Magnetize magnets with magnetism equipment.
Packaging:
Pack magnets according to the shipping ways.
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