Your Leading Exhaust Valve Motor Magnet Supplier
Founded Nanjing Lianqiang Magnetic Material Factory on February 19, 2004, and established Xuancheng Lianqiang Magnetic Industry Co., Ltd. on October 16, 2014, specialize in producing various types of permanent magnet segments for DC motors. Our automobile motor magnets include window lift motor magnets, automobile fan motor magnets, starter motor magnets, automobile pedal motor magnets, automobile wiper motor magnets, fuel pump motor magnets, heater motor magnets, throttle motor magnets, exhaust valve motor magnets, and electronic handbrake motor magnets. They are widely used and play a vital role.
Why Choose Us
Complete Qualifications
The company has obtained GB/T19001-2016/ISO9001-2015 quality management system certification and holds the registered trademark "China Lianqiang," demonstrating compliance with national and international quality standards.
Rich Experience
Spanning a site area of 16 mu (approximately 2.67 hectares), the company operates a 4,000-square-meter manufacturing facility and has accumulated over 20 years of specialized experience in the production of magnetic materials.
Production Capacity
The facility includes dedicated workshops for precision grinding, ball milling, and hydraulic processing, supporting an annual output value of approximately RMB 20 million and ensuring consistent, large-scale production capability.
Production Market
Our products are distributed across domestic markets and exported to international regions including Southeast Asia and the Middle East, where they have gained wide recognition and favorable market feedback.
Types of Exhaust Valve Motor Magnet
Truck Wastegate Motor Magnet
Developed for the brutal environment of heavy-duty truck diesel engines, our truck wastegate motor magnet is built to be exceptionally robust and reliable. We utilize military-grade ferrite material, boasting an exceptionally high Curie temperature of 520°C.
Bus Wastegate Motor Magnet
Built for the extreme longevity requirements of bus engines, which often exceed 1 million kilometers, our bus wastegate motor magnet is engineered for maximum service life and reliability. We utilize a microcrystalline-strengthened ferrite material processed via Hot Isostatic Pressing (HIP).
SUV Wastegate Motor Magnet
Engineered to handle the increased thermal and vibrational demands of SUV engines, particularly under high-load conditions like towing, off-roading, or climbing steep grades, our enhanced SUV wastegate motor magnet delivers robust performance. We use a dual-phase ferrite material that maintains a high Curie temperature of 480°C.
Specifications of Exhaust Valve Motor Magnet
|
Material |
Neodymium (Nd), Iron (Fe), and Boron (B) |
|
|
Grade & Max working temperature |
Grade |
Max working temperature |
|
N30-N55 |
80°C (176°F) |
|
|
N35M-N54M |
100°C (212°F) |
|
|
N35H-N52H |
120°C (248°F) |
|
|
N35SH-N50SH |
150°C (302°F) |
|
|
N28UH-N48UH |
180°C (356°F) |
|
|
N28EH-N45EH |
200°C (392°F) |
|
|
N28AH-N42AH |
230°C (446°F) |
|
|
Size |
Customized size |
|
|
Shape |
Customized (block,Disc,Cylinder, Bar, Ring,Arc,Countersunk, Segment, hook) |
|
|
Coating |
Customised (Ni, Zn, Epoxy, Gold, etc.) |
|
|
Size tolerance |
±0.05mm for diamater / thickness, ±0.1mm for width / length |
|
|
Density |
7.4-7.8g/cm³ |
|
|
Magnetization |
Thickness Magnetized, Axially Magnetized, Diametrally Magnetized |
|
Functions of Exhaust Valve Motor Magnet
01
Compact Size
High-energy magnets like neodymium iron boron (NdFeB) offer strong magnetic fields in small, lightweight designs.
02
Durability
Magnets like samarium cobalt (SmCo) resist corrosion and perform reliably in harsh environments.
03
Cost Efficiency
Ceramic magnets provide a budget-friendly option for systems not requiring high magnetic strength.
04
Temperature Resistance
Materials like alnico retain their magnetic properties under extreme heat, essential for engines and braking systems.
Precautions for Using Exhaust Valve Motor Magnet
Available in Different Materials
Permanent magnets are available in different materials. Some of the most basic permanent magnets are made of ceramic or ferrite. Other permanent magnets are made of samarium cobalt or neodymium. Those made of neodymium are known as rare-earth magnets. Originally pioneered in the 1970s, they are among the strongest magnets on the planet.
Magnetized Using Field Alignment
To make a permanent magnet, manufacturers may rely on field alignment. Field alignment is the process of aligning the microcrystalline structure of a permanent magnet. Alignment will charge the permanent magnet, thus allowing it to produce its own magnetic field. Man-made permanent magnets require a magnetization process such as field alignment.
Rigid vs Flexible
There are both rigid and flexible permanent magnets available. Most permanent magnets fall under the former category. They feature a hard, rigid texture. Flexible permanent magnets, on the other hand, feature a softer and more flexible texture. You can bend flexible permanent magnets without breaking them. The same can't be said for rigid permanent magnets.
Affected By Extreme Temperatures
If you're thinking about buying permanent magnets, you should keep them away from extreme heat. The ambient temperature around a permanent magnet may affect its magnetic field. Permanent magnets are characterized by their fixed magnetic field, but the strength of their magnetic field may change. Exposure to extreme heat, for instance, can weaken a permanent magnet. Exposure to extreme cold, conversely, can strengthen a permanent magnet.
Not the Same as Temporary Magnets
Permanent magnets aren't the same as temporary magnets. They both produce a magnetic field, but temporary magnets live up to their namesake by producing a temporary magnetic field. Temporary magnets must be exposed to a separate permanent magnet or an electric current. A common type of temporary magnet is an electromagnet. Electromagnets are exposed to an electrical current, which allows them to produce a magnetic field.
Storage Conditions of Permanent Magnets
Store magnets in a clean, dry environment. Avoid high temperatures, which can demagnetize them.
Storing magnets with their poles facing opposite directions can also help maintain their magnetic strength.
Keep magnets away from strong magnetic fields and electrical currents that can cause demagnetization.
Encase the magnets in protective material to prevent physical damage.
Ordering Process
Send Us Inquiry
Receive Our Quotation
Negotiate Details
Confirm the Sample
Sign Contract/Deposit
Mass Production
Cargo Ready/Quality Inspection
Balance/Delivery
Further Cooperation
Packing & Transportation
FAQ
As one of the most professional exhaust valve motor magnet manufacturers and suppliers in China, we're featured by quality products and low price. Please rest assured to buy discount exhaust valve motor magnet made in China here from our factory.
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