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  • Users: leslie2000
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  1. leslie2000

    smco5 disc D20x1mm having both N and S on the same face

    We have smoc5 magnets, D20x1mm, axil magnetised. Now we inspect the magnets with a gauss meter at both centre and peripheral saying 12, 3, 6, 9 clock, and found a few of them having both N and S on the same face. Here is a photo. Is there anyone who know why this happened? Thanks. Sam
  2. leslie2000

    Coating of NdFeB for oil BOT 207

    Hi everybody, I am working on a job which needs a NdFeB magnet with a coating in oil BOT 207. The max. workign temperature is about 170centigrade. I searched the web and only found this 207 is a BP Lubricant, there is no further information available. So I would much appreciate if someone who...
  3. leslie2000

    Large Sm2Co17 block 15x105x150mm

    Hi, anyone knows whether it is possible to produce 15x105x150mm Sm2Co17 blocks? Magnetized through 150mm direcction.
  4. leslie2000

    Sm2Co17 in water

    We have several questions about Sm2Co17 material. 1 How is its anti-corrosion capacity in water condition. how long will the magnet be corroded? 2 Is it necessary to coat the magnet? If yes, what is the best coating? 3 How about SmCo5, comparing with Sm2Co17.Because SmCo5 dont contain Fe...
  5. leslie2000

    Surface treatment

    We are facing a problem about the anti-corrosion of stator: We use silicon steel and punch it to the shape we need. And then we will weld them together to form a stator about OD200mmx180mm Length. Because there are many deep grooves on ID, we tried several coatings to protect the stator: Zn...
  6. leslie2000

    Surface treatment for stator

    Hi, everyboday. I am facing a problem about the anti-corrosion of stator: We use silicon steel and punch it to the shape we need. And then we will weld them together to form a stator about OD200mmx180mm Length. Because there are many deep grooves on ID, we tried several coatings to protect the...
  7. leslie2000

    surface treatmetn for stator

    We are facing a problem about the anti-corrosion of stator: We use silicon steel and punch it to the shape we need. And then we will weld them together to form a stator about OD200mmx180mm Length. Because there are many deep grooves on ID, we tried several coatings to protect the stator: Zn...
  8. leslie2000

    magnetic persistence and permeability

    who knows the general value of magnetic persistence and permeablity of N45H magnet? Thank you.
  9. leslie2000

    Alnico magnet

    Hi everybody. I have a customer who used an old alnico magnets in pickup for guita. he told us the magnetic property is about Br:12.85KGs, Hc:767Oe, BH(max): 5.9MGOe, while he required the gauss value of cylinder magnet D5x17mm, with 1150Gs. My question is : 1. Is this possible? Because...

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