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Quality Control and Inspection of Magnet Production

Good quality Rare Earth Magnets for sales
Good quality Rare Earth Magnets for sales
Products and packing is perfect, and our QC is satisfied with them .Your professional suggestion gave us one good design idea .Thanks for your team.

—— Cammy-Germany

You always provide good service for each details of products.It help us save much of time and energy .Hope we could have more cooperation later .

—— Aida-UK

I have been in purchasing position for many years ,we like to work with your team ,as professional products knowledge,and STRICT QC process .

—— Sim-USA

Thanks for your professional suggestion on magnets project.And always nice to work together with you .

—— Lee -Korea

The products in good packing status,and it works well in our application.Thanks for your effort.

—— Brete -Australia

Good Purchasing impression from your company .Professional Products supports deep us .

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Quality Control and Inspection of Magnet Production
Quality Control and Inspection of Magnet Production

Incoming Inspection

 

Inspection regarding the purity of raw material: Using ICP to exam elements in raw material

 

 

Routine Inspection

 

▲Strip Casting

Using caliper to exam the semi-finished magnet thickness,100pcs for each shift. An average of 90 percentage striped chips’ dimension should fallbetween 0.25-0.35mm. The total weight loss occurs during this Process and should be controlled to less than 1.8percentage.
The microchip thickness is measured using a metallographic microscope. No α-Fe particles are expected. Any average size of 3.5-6.5μm microchips would fit the standard as being satisfactory quality category.

 

▲Milling

Monitor the oxygen level with oxygen detector with the strictest standard. Analyzing the powder particle size and distribution with laser particle size diagnose examiner to ensure the top standard of result.

 

▲Pressing

This process is also known as pressing magnetizing orientation often been decided over this process. Oxygen detector is placed during the process to monitor the oxygen level inside of operating box.

 

▲Sintering

This process uses a gauge to ensure the vacuum inside of sinter furnace remains at the required level. The level will vary as the temperature inside the sinter furnace changes. The figure should be less than 1Mpa after loading. It changes to 7.5×10-3Mpa when the temperature starts rising. The vacuum level indicates the functional ability of the furnace, A controlled vacuum provides better insurance of stabilized magnet quality.

Pub Time : 2018-03-29 17:18:04 >> News list
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