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4KW Digital Motor Ferrite Magnet Br 4350Gs Sintered

geometric dimensions:R82.2,R73.1,W28.8,h9.2,L49 ∠22.5°
Magnetic performance parameters:
1.Br:4350Gs
2. Hcb:320.3kA/m
3.Hcj:378kA/m
4. (BH)max:37.1kJ/m³
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Quantity:

Product Introduction

Engineered for 4KW High-Power Outdoor Digital Motors

The 4KW digital motor ferrite magnet serves as a fundamental permanent magnet component specifically customized for demanding outdoor applications. Designed to support 4KW high-power field machinery, portable power units, field welders, outdoor pumps, and mobile generators, this core component ensures reliable power generation and mechanical conversion. As digital motors operating in remote or field environments require highly consistent magnetic fields to function efficiently, this specialized ferrite magnet acts as an indispensable key magnetic accessory. It is purposefully engineered to provide the foundational magnetic strength necessary to ensure reliable power delivery, smooth operation, and efficient start-stop functionality for heavy-duty field mechanical equipment.

Premium Material: Oriented Sintered Strontium Ferrite

At the core of this high-power motor component is high-performance oriented sintered strontium ferrite. This deliberate material selection is crucial for achieving the stable magnetic properties and abundant magnetic flux required by 4KW digital motors. By utilizing oriented sintered strontium ferrite, the magnet guarantees a strong and uniform magnetic field that remains dependable during long-term operation in extreme outdoor conditions. The inherent characteristics of this specialized ferrite material provide a robust foundation for consistent motor performance, ensuring that the magnetic circuit remains stable when subjected to the rigorous demands of field applications. For procurement specialists and motor engineers, this means a reliable foundational component that supports the overall durability of the final assembled equipment.

Advanced Manufacturing and Precision Processing

To meet the strict structural and functional requirements of field digital motors, the production of this magnet relies on highly controlled manufacturing protocols. The product adopts precision pressing, high-temperature sintering and CNC finishing processes to achieve its final physical form and optimal magnetic capability.

  • Precision Pressing: This initial stage ensures that the raw ferrite powder is compacted with exact density and preliminary alignment, perfectly matching the specific design requirements of 4KW motor architectures.

  • High-Temperature Sintering: Through controlled high-temperature sintering, the internal crystalline structure of the magnet is permanently solidified. This critical step locks in the magnetic orientation and provides the physical density necessary for robust outdoor use.

  • CNC Finishing Processes: To guarantee seamless integration into complex motor assemblies, the sintered magnets undergo rigorous CNC finishing processes. This ensures exact dimensional tolerances, reducing assembly difficulties and minimizing mechanical wear during motor operation.

A Critical Foundation for Field Equipment

By combining specialized oriented materials with highly accurate manufacturing techniques, this sintered ferrite magnet delivers the essential magnetic foundation required for high-power outdoor machinery. It is designed to lower selection risks for manufacturers by providing a highly consistent, dimensionally accurate, and magnetically stable component. Serving as a comprehensive overview of the product's core identity, this magnet stands as a critical building block for engineers sourcing reliable components for heavy-duty field applications, setting the stage for dependable, long-term mechanical operation.

Product Performance

Core Magnetic & Physical Performance for 4KW Motors

When selecting magnetic components for 4KW digital motors, the physical and magnetic properties of the magnet directly dictate the motor's torque, efficiency, and long-term reliability. The Br 4350Gs sintered ferrite magnet is specifically engineered to address the rigorous demands of high-power, continuous-duty motor applications. By balancing advanced magnetic strength with exceptional physical durability, this component provides a highly dependable foundation for demanding industrial and outdoor equipment.

1. Strong & Stable Magnetic Performance: Boasting high remanence (Br up to 4350Gs), high coercivity, and an optimized maximum magnetic energy product, this sintered ferrite magnet ensures the magnetic field output remains exceptionally strong and evenly distributed across the motor's operational air gap. For 4KW high-power digital motors, maintaining a consistent magnetic flux is critical. This specific magnetic profile provides the sufficient and continuous torque required to meet high-load demands. It effectively prevents motor stalling or torque ripple during peak operation phases, ensuring that industrial or outdoor equipment runs smoothly under continuous heavy-duty cycles.

2. Excellent Anti-Demagnetization Ability: Magnetic performance attenuation is a major concern for high-power motors, but this ferrite magnet exhibits extremely low degradation over time. Engineered with high intrinsic coercivity, it resists reverse magnetic fields effectively. During long-term, high-temperature, and high-load operations where the motor draws peak currents, the magnetic field remains constant without weakening or experiencing irreversible demagnetization. This exceptional stability guarantees sustained and reliable motor power output, reducing the risk of sudden performance drops and minimizing the need for premature motor replacements or maintenance.

3. Low Loss & High Efficiency: One of the standout physical properties of this sintered ferrite material is its high electrical resistivity. Unlike metallic magnets that are prone to generating significant heat, this magnet features low eddy current loss even at high rotational speeds. By minimizing internal heat generation, it effectively reduces the overall temperature rise of the 4KW motor. This thermal efficiency directly decreases energy consumption and improves the motor's operational efficiency. Furthermore, lower operating temperatures protect the motor's internal insulation and winding components, significantly extending the equipment's service life and operational endurance.

4. Wide Temperature Adaptability: Outdoor and demanding industrial environments require components that can withstand severe thermal fluctuations. This ferrite magnet operates stably and consistently within a wide temperature range of -30℃ ~ +70℃. Whether facing cold starts in freezing conditions or enduring sustained operation in hot environments, the magnetic flux remains within acceptable design tolerances. This wide thermal adaptability ensures the magnet performs reliably in complex climates, adapting effectively to large temperature differences between day and night, high-temperature exposure, and low-temperature cold in the field.

5. Vibration & Impact Resistance: High-power 4KW motors often generate substantial internal vibrations and are frequently deployed in environments subject to external mechanical shocks. Thanks to its highly dense sintered structure and superior mechanical strength, this ferrite magnet is built to withstand rigorous physical stress. It effectively resists the impacts resulting from bumpy movement and the frequent vibration of field equipment. The solid structural integrity ensures that the magnet will not easily crack, chip, or fall off the rotor assembly during high-speed rotation, thereby maintaining the precise dynamic balance of the motor and ensuring long-term mechanical reliability.

In summary, the combination of high remanence, thermal stability, and mechanical toughness makes this sintered ferrite magnet a highly dependable component for 4KW digital motors. By addressing core operational challenges such as demagnetization, heat generation, and mechanical stress, it provides equipment manufacturers with a reliable magnetic solution that supports continuous, high-load operation in demanding environments without compromising on efficiency.

Core Advantages

1. Perfect Matching for 4KW Models: Engineered specifically to align with the demanding magnetic circuit design and cavity size requirements of 4KW digital motors. By maintaining exceptionally high arc precision during the manufacturing process, these sintered ferrite magnets ensure a precise, gap-free assembly. For motor manufacturers, this precision eliminates the risk of internal scratching or abnormal mechanical noise during high-speed operation. The exact dimensional tolerance reduces the need for manual adjustments on the assembly line, allowing for faster production cycles and ensuring that the final motor units operate with maximum mechanical harmony and minimized vibration.

2. Strong Outdoor Adaptability: Designed to thrive in demanding field environments, these magnets offer inherent resistance against harsh elements. They are fully dustproof, moistureproof, sandstorm-resistant, and highly corrosion-resistant. A critical commercial benefit for manufacturers is that no electroplating is required for long-term outdoor use. This not only streamlines the production process by removing a costly secondary treatment step but also eliminates the common risks of coating degradation, rusting, powder shedding, or pulverization over time. Equipment deployed in exposed outdoor settings can maintain reliable magnetic performance without the need for frequent maintenance or costly component replacements.

3. Obvious Power Improvement: The optimized Br 4350Gs magnetic performance directly translates into tangible operational upgrades for heavy-duty applications. By integrating these sintered components, motor manufacturers can significantly boost the starting torque and overall operation stability of their 4KW units. This enhancement ensures that field equipment becomes more powerful, highly responsive to control inputs, and dependable under continuous operational loads. The stable magnetic flux provides consistent energy conversion, reducing power loss and ensuring that the digital motors can handle sudden load variations without stalling or experiencing performance drops during critical tasks.

4. Significant Cost Advantage: In today's competitive manufacturing landscape, controlling component expenses without sacrificing quality is paramount. These ferrite magnets deliver a 50% lower cost compared with rare earth magnets, providing a massive reduction in the overall bill of materials for motor production. Despite this substantial cost reduction, they fully meet the rigorous performance and efficiency requirements of 4KW field motors. By choosing this sintered ferrite solution, procurement teams can protect their supply chains from the unpredictable price volatility often associated with rare earth materials, achieving an industry-leading cost-performance ratio that directly improves profit margins.

5. Excellent Assembly Performance: The manufacturing process guarantees a consistently smooth surface finish and strict dimensional uniformity across every batch. This high level of consistency is a major advantage for automated or semi-automated motor assembly lines, ensuring an efficient and trouble-free installation process. By preventing issues such as component jamming, misalignment, or the need for manual rework, these magnets directly improve the overall assembly yield rate of the motor production facility. Lower scrap rates and accelerated production timelines mean that manufacturers can fulfill large-scale orders more efficiently, reducing overhead costs and improving operational throughput.

Quality Assurance

Industrial-Grade Quality Management System

For high-power applications such as 4KW digital motors, the stability and reliability of magnetic components are critical to the overall performance and longevity of the equipment. To meet these rigorous demands, the product implements a strict industrial-grade quality management system. We enforce multi-process strict control throughout the whole production line, ensuring that every sintered ferrite magnet delivered to our clients meets exacting standards for continuous, high-load operation. Our comprehensive quality assurance protocol is designed to minimize procurement risks, reduce assembly friction, and support seamless integration into mass production workflows.

1. Strict Raw Material Control

The foundation of a reliable magnetic component begins long before the manufacturing process starts. We utilize carefully selected high-purity ferrite powder to ensure stable basic magnetic performance. By establishing stringent acceptance criteria for all incoming raw materials, we guarantee quality from the source. This meticulous material screening process prevents impurities from compromising the final magnetic field strength, ensuring that the foundational characteristics of the magnets remain consistently reliable across different production batches and extended operational periods.

2. Full-Process Inspection

To prevent cumulative deviations during manufacturing, our quality control framework implements rigorous monitoring at every critical production stage. Systematic sampling and full inspection are carried out in each link of pressing, sintering, finishing, and finished product evaluation. During the pressing phase, density and structural integrity are verified. In the sintering phase, thermal profiles are closely monitored to ensure proper crystallization. Finally, during the finishing stage, we conduct individual inspections of magnetic performance, size, and appearance. This continuous oversight identifies and isolates any potential anomalies immediately, maintaining strict adherence to your engineering specifications.

3. 100% Full Inspection

We understand that defective components can cause significant disruptions in automated motor assembly lines and lead to costly equipment failures. Therefore, we mandate a strict 100% Full Inspection protocol prior to packaging. Each product undergoes a comprehensive magnetic performance test to verify flux density and coercivity. Additionally, dimensional accuracy inspections are performed to confirm precise geometric tolerances, alongside a thorough appearance check to detect any surface micro-cracks or chips. A final reliability test is also conducted to eliminate defective products from leaving the factory, ensuring that every piece received by the purchaser is ready for immediate and safe deployment.

4. High Batch Consistency

For procurement teams and engineers managing large-scale manufacturing, component uniformity is a primary concern. Our quality assurance system is specifically optimized to deliver high batch consistency. By maintaining stable performance and precise tolerance controls, our sintered ferrite magnets offer strong interchangeability. This uniformity significantly reduces the need for assembly line calibrations and mechanical adjustments, directly meeting the needs of mass standardized production and assembly. Consistent dimensions and magnetic properties mean fewer production bottlenecks and a more streamlined manufacturing workflow for motor builders.

5. Reliable Weather Resistance & Durability

Ferrite magnets used in demanding industrial or outdoor environments must withstand severe operational stressors without degrading over time. To validate their long-term stability, our quality control procedures include rigorous environmental and mechanical evaluations. The components have successfully passed simulation tests such as high-temperature aging, vibration, and durability assessments. These demanding verification processes ensure the magnets fully meet the long-term high-load use standards of high-power field equipment. By verifying weather resistance and mechanical durability, we provide procurement professionals with the confidence that these components will support the extended operational lifespan of their 4KW digital motor systems under challenging conditions.

After-Sales Service

Comprehensive Service & Supply Chain Support

To ensure smooth procurement and reliable production for our clients, we offer a complete suite of pre-sales and after-sales services. Our goal is to help buyers reduce selection risks, optimize motor designs, and guarantee stable project execution through dedicated support tailored for motor manufacturers.

  • Free Sample Support: We provide precision-matched sintered ferrite magnet samples to assist customers in rigorous performance testing, assembly verification, and model selection optimization. This allows you to evaluate the magnetic stability and dimensional accuracy in your specific motor designs before committing to bulk orders, effectively minimizing procurement risks.

  • Customization Service: Recognizing that different outdoor equipment requires specific magnetic properties, we support personalized customization based on your motor drawings, size parameters, and magnetic circuit requirements. Our experienced engineering team provides tailored technical solutions, including magnetic circuit optimization and dedicated mold development, ensuring perfect integration into your 4KW digital motors.

  • Efficient Supply Guarantee: Backed by a large-scale automated production line, we maintain sufficient monthly capacity to handle varying order volumes. We offer fast production scheduling for both small batch trials and large-scale manufacturing. Our commitment to on-time delivery and stable logistics ensures that your field project progress remains completely unaffected by supply chain disruptions.

  • 24-Hour Response: Our dedicated after-sales and technical support team is online 24/7. Professional technical personnel provide full-process guidance covering model selection, installation procedures, commissioning, and fault handling. We guarantee a quick response to any inquiries, ensuring timely problem-solving to keep your production lines running smoothly and efficiently.

  • Long-Term Cooperation Guarantee: We actively support annual framework agreements designed to provide stable pricing structures and continuous, uninterrupted supply. This approach offers long-term, reliable, and highly efficient supply chain services specifically tailored for field mechanical motor manufacturers, protecting your business from material shortages and market volatility.

Application Scope: Designed for 4KW Outdoor Equipment

Engineered to deliver consistent magnetic performance in demanding environments, our sintered ferrite magnets are the core supporting components for the power systems of high-power field mechanical equipment. They are widely and successfully utilized in a variety of robust applications, including:

  • 4KW Field Welders & Field Generators: Providing the stable magnetic fields essential for consistent power generation and reliable welding performance in remote, off-grid outdoor locations.

  • Mobile Water Pumps: Ensuring dependable motor operation for agricultural irrigation, flood control, and remote water transfer systems under continuous workload conditions.

  • Outdoor Construction Machinery: Supporting the durable operation of motors used in rugged construction environments where equipment is frequently exposed to vibration, dust, and heavy mechanical loads.

  • Portable Power Units: Delivering efficient magnetic performance for compact power solutions required in field operations, outdoor events, and emergency response scenarios.

  • Field Construction Equipment & Vehicle-Mounted Mobile Machinery: Acting as a dependable magnetic core for various motorized tools and vehicle-mounted systems that demand high reliability and endurance outside traditional factory settings.

By choosing our specialized ferrite magnets, manufacturers of 4KW digital motors can ensure their end products deliver the high cost-effectiveness and uncompromising reliability required for extreme outdoor applications.

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Anhui GaoChuang Magnet Industry technology Co., Ltd. located in Taiping Economic Development Zone, Huangshan District, Huangshan City, Anhui Province, occupies a factory area of ​​50 acres, with approximately 10,000 square meters of completed factory buildings and office space...

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  +8613952080940 / +85365694643
  fangfm@gc-amt.com
  No. 26 Rongcheng Road, Taiping Economic Development Zone, Huangshan District, Huangshan City, Anhui Province, P.R.China
 
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