Injection Molded Ferrite Is Widely Used In Pump Motor Rotors What does Xinheng offer to customers? Our company manufactures an-isotropic ceramic strontium ferrite
magnet made by means of wet compression molding,Injection molded
ferrite. What's the feature of ceramic strontium ferrite magnet made by wet
compression molding? Composition - Contain strontium ferrite (SrFe12O19) as the primary
magnetic material. Strontium ferrite has good magnetic properties
and is inexpensive to produce. Density - Have a high relative density of around 95% or more after
sintering. This gives good mechanical strength. An-isotropy - Exhibit strong magnetocrystalline an-isotropy due to
their hexagonal crystal structure. This results in a preferred
direction of magnetization along one axis. Particle shape - The strontium ferrite powder used typically has a
hexagonal platelet morphology which helps promote magnetic
an-isotropy during molding and sintering. Molding method - The powder is mixed with a liquid binder and
compression molded into a dense green compact using high pressures.
This orients the an-isotropic particles. Firing process - The compact is then sintered at high temperature
to develop density while preserving the induced magnetic anisotropy
orientation from molding. Remanence - Have a maximum magnetic flux density or remanence along
the axis of anisotropy, but little/no remanence perpendicular to
it. Coercivity - Usually have medium to high coercivity depending on
additives, density, and anisotropy level achieved.
What's the key advantages of ferrite magnets made by Injection? High design flexibility: Injection molding allows for the
production of complex shapes and intricate patterns, expanding the
range of applications for ferrite magnets. Improved performance: Injection-molded ferrite magnets can be
designed to have higher magnetic properties and improved energy
products compared to traditionally pressed and sintered magnets. Cost-effective manufacturing process: Injection molding reduces
material waste and requires less labor compared to other
manufacturing methods, leading to lower production costs. Consistent quality: Injection molding allows for the production of
magnets with precise dimensions and uniform magnetic properties,
ensuring consistent performance across all units. Enhanced durability: The injection molding process can create
magnets with improved mechanical strength and resistance to
demagnetization, making them suitable for demanding applications.
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: - Automotive motor magnet including automobile starter motor magnet,
automobile wiper motor magnet, automobile rolling window motor
magnet, automobile heating and cooling fan motor magnet, automobile
seat motor magnet, automobile sunroof motor magnet, automobile
powsteering motor magnet, automobile tailgate motor magnet,
automobile oil pump motor magnet, automobile ABS anti-lock motor
magnet, etc.
- Inverter home appliance magnet including inverter washing machine
motor magnet, inverter refrigerator motor magnet, inverter
air-conditioner motor magnet,etc.
- Fan motor magnet including ceiling fan motor magnet, floor fan
magnet, etc.
- Motorcycle motor magnet including motorcycle starter motor magnet,
motorcycle flywheel magneto magnet, etc.
- Electrical tool motor magnet including cutting machine motor
magnet, electric sawing machine motor magnet, lawn mower motor
magnet, gasoline generator magnet, etc.
- Actuator motor magnet including medical bed actuator motor magnet,
TV lifting bracket actuator motor magnet, desk lifting actuator
motor magnet, smart home appliance actuator motor magnet, etc.
How Xinheng fabricates its permanent strontium ferrite magnet?
FERRITE POWDER GRADE OF INVERTER 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 | 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 | Y33H-2 | 410-430 | 4100-4300 | 285-315 | 3580-3960 | 305-335 | 3830-4200 | 31.8-35.0 | 4.0-4.4 | Y34 | 420-440 | 4200-4400 | 200-230 | 2510-2890 | 205-235 | 2570-2950 | 32.5-36.0 | 4.1-4.4 | Y35 | 430-450 | 4300-4500 | 215-239 | 2700-3000 | 217-241 | 2730-3030 | 33.1-38.2 | 4.1-4.8 | Y36 | 430-450 | 4300-4500 | 247-271 | 3100-3400 | 250-274 | 3140-3440 | 35.1-38.3 | 4.1-4.8 | Y38 | 440-460 | 4400-4600 | 285-305 | 3580-3830 | 294-310 | 3690-3890 | 36.6-40.6 | 4.6-4.8 | Y40 | 440-460 | 4400-4600 | 330-354 | 4150-4450 | 340-360 | 4270-4520 | 37.6-41.8 | 4.7-5.2 |
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