BRM Metal - Shanghai United Metal materials Co ., Ltd

22/08/2025

Metal Injection Molding Parts: Precision “Cells” Empowering Vehicles
In the field of vehicle manufacturing, Metal Injection Molding (MIM) technology is emerging as a key force driving innovation and upgrading. From automobiles to rail transit equipment, and then to aerospace vehicles, a batch of precision metal parts produced by MIM technology, with their small sizes, carry crucial missions and reshape the performance boundaries of vehicles.

1. Automotive Field: Comprehensive Pe*******on from Power to Interior
(1) Core Components of Power Systems
The engine, as the “heart” of an automobile, has strict requirements for part precision and reliability. The turbocharger blades and fuel injection system valves produced by metal injection molding, with high precision and strength, help the engine achieve efficient fuel atomization and precise intake control. For example, the complex curved surface of a turbo blade can be formed in one go by MIM, and it operates stably under high - temperature and high - speed working conditions, improving power response and fuel economy. The synchronizer rings and shift forks in the transmission, MIM technology can optimize their microstructures, enhancing wear resistance and shift smoothness, making the driving experience more fluid.

(2) Chassis and Safety Systems
The bushings and control arm connectors in the chassis suspension can achieve a balance between light weight and high strength by using MIM parts. While ensuring the vehicle's handling stability, it reduces the unsprung mass and improves ride comfort. In the safety system, parts such as seat belt locks and airbag trigger mechanisms, MIM technology endows them with precise dimensions and reliable mechanical properties, ensuring the safety of passengers at critical moments. For example, the seat belt lock needs to withstand instantaneous impact forces, and MIM - formed parts can be stably locked, building a solid line of defense for life protection.

(3) Interior and Intelligent Components
The automotive interior pursues the integration of exquisiteness and functionality, and MIM technology meets this demand. The precision gears and k***s of the seat adjustment mechanism achieve complex shapes and smooth handfeel through MIM; the metal parts of the sensor brackets and central control buttons in the intelligent cockpit achieve miniaturization and high precision with the help of MIM, helping the automotive interior to advance towards high - end and intelligentization and improving the user interaction experience.

2. Rail Transit: Facilitating Efficient and Safe Operation
(1) Train Power and Transmission Systems
In the power systems of high - speed trains and urban rail transit vehicles, MIM parts play a key role. The commutators and bearing retainers of traction motors, utilizing the material adaptability and precision forming advantages of MIM, ensure the efficient operation of the motors in a small space and reduce energy consumption. The coupling gear sleeves and gearbox parts in the transmission system, MIM technology can optimize their strength and precision, ensuring stable power transmission and supporting the high - speed and smooth operation of trains.

(2) Braking and Door Control Systems
The valve parts of the braking system and the brake pad circlips have extremely high requirements for reliability. The MIM - formed brake valve parts can precisely control the air and oil circuits, ensuring rapid and stable braking response; the brake pad circlips need to withstand high temperatures and vibrations for a long time, and MIM parts, with excellent anti - fatigue performance, prevent safety hazards caused by circlip failure. The locking mechanisms and guide wheels of the door control system, parts produced by MIM technology achieve miniaturization and high reliability, ensuring the smooth opening and closing and good airtightness of train doors, and safeguarding the safety of passengers getting on and off.

(3) Rail Communication and Monitoring Components
In the communication base stations and monitoring equipment of rail transit, MIM parts undertake the functions of structural support and signal conduction assistance. The metal brackets of communication antennas and the metal cavities of signal filters achieve complex inner cavities and high - precision dimensions through MIM, ensuring stable signal transmission and strong anti - interference ability; the shells and connectors of monitoring sensors, MIM technology endows them with light weight and corrosion - resistant characteristics, adapting to the complex working conditions of the rail environment and providing a basic guarantee for the intelligent operation and maintenance of trains.

3. Aerospace: Precision Support for Breaking Limits
(1) Aircraft Structure and Power Components
Aerospace vehicles have an urgent need for lightweight and high - strength parts, and MIM technology has become an ideal choice. The propeller connectors and servo transmission parts of drones, MIM - produced titanium alloy and superalloy parts, while meeting the strength requirements, significantly reduce weight, improving the UAV's endurance and maneuverability. The compressor blades of airliner engines and the valve cores of fuel systems, MIM technology realizes the precision forming of complex structures, helping the engines work stably under extreme working conditions and providing support for flight safety and efficiency.

(2) Avionics and Control Systems
The connectors and relay parts of the avionics system need to achieve highly reliable electrical connections and signal transmission in a small space. The metal connectors formed by MIM have high - precision pins and jacks and good electrical conductivity, ensuring the stable operation of avionics equipment; the actuator parts and sensor brackets of the flight control system, MIM technology can produce parts with precise dimensions and stable performance, ensuring accurate flight attitude control and improving the intelligence level of the aircraft.

(3) Space Exploration Equipment
In space equipment such as satellites and probes, MIM parts cope with the challenges of extreme environments. The deployment mechanism parts of satellite antennas and the metal brackets of thermal control systems, parts manufactured by MIM technology have radiation - resistant and temperature - difference - resistant characteristics. In the space vacuum and alternating high - and low - temperature environment, they ensure the structural integrity and functional reliability of the equipment, facilitating the smooth progress of space exploration missions.

With its unique advantages, metal injection molding technology is deeply integrated into the entire chain of vehicle manufacturing. From ground transportation to aerospace, it continuously injects precision genes into various vehicles. As material technology and forming processes continue to break through, MIM parts will continue to promote vehicles towards a more efficient, safer, and smarter direction, making the journey of travel and exploration more and more wonderful.

22/08/2025

In the field of modern home appliance manufacturing, the Metal Injection Molding (MIM) technology is playing an increasingly crucial role. It gives birth to a batch of metal parts with both high precision and excellent performance, laying a solid foundation for the upgrading and innovation of home a

26/06/2025

MIM Small - Module Gears: Revolutionizing Precision Manufacturing

Unleashing the Power of MIM for Small - Module Gears
Metal Injection Molding (MIM) technology has emerged as a transformative force in the manufacturing of precision small - module gears.. Ideal for gears with intricate shapes and stringent accuracy demands, MIM redefines how these critical components are made. Let’s dive into what makes MIM a standout choice for small - gear production.

1. Conquering Complex Geometries Effortlessly
MIM technology enables the one - step injection molding of gears with complex shapes. Unlike traditional machining, which struggles with elaborate designs and incurs high costs, MIM eliminates the need for tedious post - processing. It turns the once - challenging task of manufacturing complex small gears into a streamlined process, opening doors to innovative gear designs.

2. Micron - Level Precision for Perfect Meshing
The core of manufacturing small gears lies in precision, and MIM excels at delivering this. It can achieve micron - level accuracy, making it perfectly suited for gears where tight tolerances are a must - have. Whether used in delicate instruments or high - speed transmission systems, gears produced via MIM ensure seamless and precise meshing, thereby enhancing the overall performance of the system.

3. Superior Material Performance
MIM empowers the creation of small gears with exceptional mechanical properties. Using materials like stainless steel, alloy steel, and even advanced composites, these gears boast outstanding hardness, wear resistance, and strength. They stand up to prolonged use in harsh environments, from industrial machinery to medical devices, without compromising on durability.

4. Scalable Efficiency for Mass Production
For industries relying on large - scale production of small gears, MIM serves as a powerful tool to enhance productivity. Durable molds and rapid injection - molding cycles enable high - speed, consistent production. This not only slashes manufacturing costs but also ensures a steady supply of high - quality gears, a boon for sectors like automotive and consumer electronics.

5. Widely applicable scenarios
Small - module gears find their way into fields demanding extreme size and precision control—think precision actuators, aerospace avionics, smart home devices, and micro - robotics. MIM meets these industries’ exacting standards, with significant demand in automotive transmissions, medical diagnostics, and wearable tech. Its adaptability makes it a cornerstone in cutting - edge product development.

6. Overcoming Technical Hurdles
While MIM offers immense benefits, it isn’t without challenges. Designing molds for tiny gear modules requires ultra - precise engineering, and sintering demands careful control to avoid deformation, shrinkage, or porosity. However, ongoing technological advancements—like computer - aided mold design and advanced sintering techniques—are steadily overcoming these issues, pushing the boundaries of gear precision and reliability.

The Future of Small - Gear Manufacturing with MIM
In essence, MIM technology provides a robust, cost - effective solution for small - gear production, excelling in both complex geometries and high - strength requirements. As industries like automotive, aerospace, medical, and consumer electronics push for smaller, smarter, and more durable components, MIM’s role in shaping the future of precision manufacturing grows ever more pivotal.

25/06/2025

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Cindy Wang

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20/09/2024

🚀 Improving Gear Strength with Full Finishing Techniques 🚀
Did you know? Powder metallurgy gears can be significantly strengthened with advanced processes like full finishing!

🔧 Full Finishing: With no finishing allowance, this technique focuses on improving physical and mechanical properties. It can boost gear density by up to 20%—making them perfect for high-strength applications. 🛠️

During the shaping process, gears are pressed with upper and lower dies, enhancing density and accuracy. Whether it’s bevel gears or spiral gears, this method ensures durability and stability even in demanding conditions.

Want to know more about how we improve gear quality? Comment below! 👇

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20/09/2024

🛠️ Enhancing Gear Accuracy with Powder Metallurgy 🛠️
In powder metallurgy gear production, achieving high accuracy and strength requires more than just sintering. After sintering, parts undergo finishing, shaping, and re-pressing to improve their performance.

✨ Finishing: Refines dimensional tolerance and surface roughness. By applying plastic deformation at room temperature, it corrects size and deformation issues, ensuring gears meet precise standards.

✨ Shaping: A specific surface shape is formed, enhancing local density. This process is vital for complex parts like bevel gears and end-face spiral gears.

✨ Re-pressing: Increases overall density by 5-12%, ensuring the strength required for heavy-duty applications.

These processes ensure powder metallurgy gears are not only strong but also precise and durable. ⚙️

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13/09/2024

🛠️ Powder Metallurgy Processing for Petroleum Perforation Gun Positioning Plates 🛠️
Production Process Overview:

Mold Design & Raw Materials:

Design: Determine mold specifications and select materials.
Materials: Typically FC0205 copper-carbon steel, known for its enhanced toughness and strength due to its alloy properties.
Mold Manufacturing:

Steps: Fabricate the mold to the required specifications.
Raw Material Mixing:

Powders: Use pre-alloy powders like FN0208 (AB alloy) and FN0408 (AE alloy) for high strength and stable composition.
Mold Installation & Machine Debugging:

Setup: Install the mold and calibrate machines for production.
Pressing & Sintering:

Pressing: Create blank parts on a mesh belt furnace.
Sintering: Heat at around 1100°C for optimal alloy bonding. For high-density results, use warm pressing technology, achieving densities up to 7.2.
Deburring:

Process: Remove any burrs for a smooth finish.
Rust Prevention & Oil Immersion:

Treatment: Apply rust prevention methods and immerse in oil to ensure durability.
Inspection & Packaging:

Quality Control: Inspect parts for compliance and package the qualified products.
Material Insights:

FC0205 Copper-Carbon Steel: Melts at 1085°C, sintered at 1100°C to enhance toughness and strength.
Pre-Alloy Powders: FN0208 and FN0408 are mixed for consistent properties, with AE alloy powder offering higher strength for critical applications.
Design Considerations:

Optimization: Experienced designers focus on structural improvements like chamfering to enhance mold life, reduce costs, and ensure high-quality output without compromising performance.
Sintering Tips:

Temperature & Time: Sintering at 1100°C for positioning plates ensures proper alloy properties. Avoid sintering at lower temperatures or for less than 30 minutes to prevent insufficient strength.
In Summary: The production of positioning plates for perforation guns involves meticulous process control and material selection to ensure high-quality, durable components. Professional expertise in design and sintering is crucial for achieving optimal performance.

13/09/2024

🛠️ Understanding Powder Metallurgy: Process and Considerations 🛠️
Powder Metallurgy Process Overview:

Design: Create product and mold designs.
Mixing: Blend powders.
Pressing: Shape the mixture in molds and adjust as needed.
Sintering: Heat to bond particles.
Machining/Finishing: Refine shapes.
Heat Treatment: Strengthen parts.
Polishing & Oil Immersion: Enhance finish and prevent rust.
Quality Inspection & Packaging: Ensure standards and prepare for shipment.
Important Considerations:

Mold Costs 💸
Molds for powder metallurgy can be expensive, starting from a few thousand to tens of thousands of yuan. For small production runs (a few hundred to a thousand pieces), machining might be more cost-effective due to high mold costs.

Order Volume 📦
Powder metallurgy is best suited for large production volumes, often requiring a minimum of tens of thousands of pieces to justify the mold cost and production efficiency.

Tolerance Levels 📐

Before Finishing: Shape tolerance ~0.0035mm; Height tolerance ~0.15mm.
After Sintering and Re-Pressing: Shape tolerance ~0.0025mm; Height tolerance ~0.1mm.
Limits: Outer diameter ~0.02mm; Inner hole ~0.018mm.
Precision Needs: For very precise machining, consider CNC or powder metallurgy before final machining.
Density & Strength ⚖️
Powder metallurgy parts generally have lower density compared to other materials, which may affect strength. If high density and strength are crucial, powder metallurgy might not be the best choice.

Size Limitations 📏
Large parts are not ideal for powder metallurgy due to limitations in forming presses and injection machines.

In Summary: Powder metallurgy is highly efficient for large-scale production and complex shapes but may not be suitable for small quantities or extremely high-precision parts. For smaller runs or parts requiring very high accuracy, machining might be a better option.

09/09/2024

⚙️ Powder Metallurgy Gears vs. Machined Hobbing Gears: A Quick Comparison ⚙️
Minimal Cutting Required ✂️
Powder metallurgy (PM) gears are molded with little to no cutting needed.

High Material Utilization 🌍
PM gears have a utilization rate of over 95%, reducing waste.

Dimensional Accuracy & Consistency 📏
Achieve stable, high-precision parts with excellent consistency.

Mass Production & Cost Efficiency 💰
Perfect for large-scale production, offering high efficiency and lower costs compared to machined gears.

Complex Shapes 🛠️
PM molding can create intricate designs that traditional hobbing can’t match.

Strength Comparison 💪
With optimized molds, the tensile and compressive strength of PM gears rivals machined gears—used even in automotive gearboxes!

Powder metallurgy gears prove to be practical, universal, and cost-effective for high-strength applications.

09/09/2024

⚙️ What Affects the Hardness and Strength of Powder Metallurgy Gears? ⚙️
The hardness and strength of powder metallurgy (PM) gear parts depend on several key factors:

Density & Porosity:

Higher density = greater hardness & strength. Smaller pores improve overall performance.
Material Composition:

High-quality alloys with strong elements lead to better hardness and durability.
Heat Treatment:

Techniques like carburization quenching, carbon-nitrogen co-infiltration, and high-frequency quenching ensure stable hardness levels for long-lasting strength.
By controlling these factors, PM gears can meet various performance needs! ⚙️💪

30/08/2024

⚙️ Permanent Magnet Motor Configuration in Industrial Fans 🛠️
In the industrial fan market, the configuration of permanent magnet motors is primarily categorized into two types: external rotor and internal rotor permanent magnet motors. Understanding the differences can help in choosing the right motor for long-term reliability and performance.

🔄 External Rotor Permanent Magnet Motors:
Magnet Material: Uses adhesive-type neodymium iron magnets.
Risk: If the adhesive ages and fails, the magnets may detach, causing the motor's stator and rotor to get stuck. This could lead to immediate motor failure, resulting in significant losses for users.
🔄 Internal Rotor Permanent Magnet Motors:
Magnet Material: The neodymium iron magnets are embedded and structurally fixed.
Advantage: No risk of adhesive aging or magnet detachment, leading to a longer warranty period compared to external rotor motors.
In summary, internal rotor motors offer greater durability and reliability, making them a preferred choice for industrial applications where long-term performance is crucial.

30/08/2024

🌬️ Workshop Large Industrial Fans: Ventilation & Cooling in One Powerful Machine 💨
Industrial fans are essential for maintaining comfortable and safe environments in large spaces like factories, warehouses, waiting rooms, exhibition halls, stadiums, and supermarkets. Here's why they are so effective:

🔄 Key Benefits of Industrial Fans:
Enhanced Air Circulation:

Industrial fans move a massive amount of air towards the ground, creating a horizontal airflow layer that spreads across the entire space. This leads to effective air circulation, ensuring that fresh air reaches all corners.
Cooling Effect:

The airflow generated by these fans provides a cooling effect, making the space more comfortable for personnel, especially in hot environments.
Comprehensive Coverage:

The fans offer all-round ground coverage, promoting three-dimensional air circulation, which helps in maintaining consistent air quality throughout large spaces.
Dual Purpose:

Besides cooling, these fans also play a crucial role in ventilating the space, keeping the environment fresh and reducing the buildup of heat and humidity.
In summary, large industrial fans are indispensable in workshops and other vast spaces, offering both cooling and ventilation to enhance comfort and air quality.