Sichuan Xinheng Magnetic Materials Co., Ltd
SICHUAN XINHENG MAGNETIC MATERIALS CO., LTD
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Circular Segment Type Permanent Ferrite Magnets For Automotive Motors W038
What does Xinheng offer to customers?
Our company manufactures an-isotropic ceramic strontium ferrite magnet made by means of wet compression molding.
What's the key advantages of ceramic strontium ferrite magnets made by wet compression molding?
Low cost - Strontium ferrite is inexpensive and the wet molding process is relatively simple. This makes them cheaper than rare-earth magnets.
Dimensional consistency - The compression molding process allows for close dimensional tolerances and uniform magnet shapes to be produced consistently.
Temperature stability - Strontium ferrite magnets have high Curie temperatures, typically around 450-470°C. They maintain good magnetic properties over a wide operating temperature range.
Resistance to corrosion - Being fully dense ceramic materials, they are not prone to corrosion like bonded magnets containing additives.
Mass production capability - The molding process is amenable to automated high-volume manufacturing of complex magnet geometries.
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 application of Xinheng's permanent ferrite magnets?
Xinheng mainly manufactures the following types of ceramic arc segment magnets:
How Xinheng fabricates its permanent strontium ferrite magnet?
AUTOMOBILE MOTORS MAGNET SPECIFICATION TABLE
|
No. |
Item |
R |
r |
W |
L |
h |
Grade |
Application |
| 1 | W020C | 28 | 21.5 | 50.0 | 50 | 6.3 | Y30H-2 | Wiper motor |
| 2 | W024 | 17.5 | 12.15 | 30.7 | 32 | 5.4 | Y33 | Oil pump motor |
| 3 | W037 | 33 | 30.5 | 60.0 | 41.0 | 7.2 | Y33H-2 | Heater motor |
| 4 | W037A | 35.5 | 33.2 | 64.0 | 38.0 | 7.3 | Y33H-2 | Heater motor |
| 5 | W049 | 48.5 | 41.5 | 53.5 | 30.0 | 7.0 | Y30H-1 | Electrical fan |
| 6 | W069 | 48 | 41.25 | 52.0 | 20.0 | 6.65 | Y30H-1 | Electrical fan |
| 7 | W092 | 19.2 | 12.9 | 26.4 | 53.0 | 5.6 | Y30H-2 | Window motor |
| 8 | W082 | 29 | 29 | 33 | 56 | 6 | Y33H-2 | Power steering motor |
| 9 | W107 | 29.2 | 27.8 | 34 | 76.5 | 5 | Y33H-2 | Power steering motor |
| 10 | W109 | 30.75 | 31.35 | 36.3 | 80 | 5.9 | Y33H-2 | Power steering motor |
| 11 | W4180 | 30 | 22.7 | 34.0 | 45.0 | 7.3 | Y33H-2 | Starter motor |
| 12 | W4186 | 36.3 | 33.9 | 64.5 | 36.0 | 8.2 | Y33H-2 | Heater motor |
Introduction Of Oil Pump Motor:
Pump Motor Power A modified specific motor that drives an oil pump. The oil pump motor includes the motor body, the front end cover and the output drive shaft. A stepped hole is opened on the front end cover, and the output drive is retracted into the front end cover for a hollow shaft. The shaft hole aperture is matched with the outer diameter of the input drive shaft of the oil pump. The pump is divided into high pressure and low pressure: that is, the high pressure plunger pump relies on the camshaft in the pump to drive the plunger to move up and down in the plunger sleeve to produce high pressure oil supply to the injector.
As a kind of permanent magnet material, ferrite can be used in permanent magnet synchronous motor to improve the efficiency and performance of the motor, so that it can better adapt to the needs of new energy vehicles. The application of ferrite materials can reduce the power consumption of the motor, extend the life of the battery, and improve the output power of the motor, thus improving the driving range and performance of new energy vehicles.
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