Sichuan Xinheng Magnetic Materials Co., Ltd |
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Company profile:
The company boasts the first domestically developed servo
fully-automatic wet press oil press machine and the first
dual-track roller kiln in the nation. It also possesses the
capability for independent design, development, and processing of
various types of molds.
The primary business of the company focuses on sintered ferrite
permanent magnet components, encompassing automotive motors,
motorcycle motors, general machinery motors, household appliance
motors, household fan motors, variable frequency motors, water pump
motors, and more. These products are widely used in the automotive,
motorcycle, office equipment, power tools, household appliances,
and fitness equipment industries.
What is permanent magnet ferrite?
Permanent magnet ferrite is a kind of magnetic ceramic material,
composed of iron oxides and rare earth elements. It has a high
magnetization and coercivity, so it is widely used in the
manufacture of various permanent magnet devices, such as magnets,
motors and sensors. Permanent magnet ferrite has good corrosion
resistance and high temperature resistance, so it has been widely
used in industrial and scientific fields.
Permanent magnet ferrites have a wide range of applications,
including electric motors, generators, sensors, medical devices,
electronic devices and energy recovery. Its excellent magnetic
properties make it one of the indispensable materials in a variety
of applications.
What's the application of Xinheng's permanent ferrite magnets?
Xinheng mainly manufactures the following types of ceramic arc
segment magnets:
PHYSICAL PROPERTIES OF SINTERED FERRITE MAGNETS
Units | Sintered Ferrite (Ceramic) | |
Curie Temperature | ºC | 450 |
Maximum Operating Temperature | ºC | 350 |
Hardness | Hv | >530 |
Density | g/cm3 | 4.8 – 5.0 |
Relative recoil permeability | μrec | 1.05-1.1 |
Temperature Coefficient Br | %/ºC | -0.18 |
Temperature Coefficient iHc | %/ºC | 0.11-0.40 |
Anti-Bending Strength | N/m2 | (0.5-0.9)×108 |
Anti-Compressive Strength | N/m2 | ≥6.9×108 |
Anti-Tensile Strength | N/m2 | (0.2-0.5)×108 |
Specific Heat | J/kg·K | 600-900 |
Resistivity | Q.cm | >104 |
What's the feature of ceramic strontium ferrite magnet made by wet
compression molding?
FERRITE POWDER GRADE OF UNIVERSAL MOTORS MAGNET
Grade | Br(mT) | Hcb(KA/m) | Hcj(KA/m) | (BH)max(KJ/m3) | ||||
mT | Gs | KA/m | Oe | KA/m | Oe | KJ/m3 | MGOe | |
Y30H-1 | 380-400 | 3800-4000 | 230-275 | 2890-3460 | 235-290 | 2950-3640 | 27.0-32.5 | 3.4-4.1 |
Y33 | 410-430 | 4100-4300 | 220-250 | 2760-3140 | 225-255 | 2830-3200 | 31.5-35.0 | 3.9-4.4 |
Y33H | 410-430 | 4100-4300 | 250-270 | 3140-3390 | 250-275 | 3140-3450 | 31.5-35.0 | 3.9-4.4 |
Y35 | 430-450 | 4300-4500 | 215-239 | 2700-3000 | 217-241 | 2730-3030 | 33.1-38.2 | 4.1-4.8 |