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Factory
Machining Equipment
We are equipped with a range of top-of-the-line, high-precision machining equipment from internationally renowned manufacturers, integrating the latest in mechanical manufacturing technology and automated control systems. Our CNC milling machines, which utilize ultra – precise ball screw transmission and linear motor drive technology, can achieve positioning accuracy at the micron level. This precision enables every detail of the permanent magnet components to be finely crafted during the milling process. Our high-precision grinders are equipped with an online measurement and compensation system, allowing real-time error monitoring and correction throughout the machining process to ensure dimensional accuracy and surface quality of the components. These machines have undergone rigorous testing for stability and can operate consistently in high-load production environments, guaranteeing high precision and efficiency.
High Precision Tolerances
We have a mature and rigorous quality control system to manage high-precision tolerances. Our engineering team performs detailed tolerance analysis and planning for every dimension of the permanent magnet components. During production, we use advanced measuring tools and techniques to perform real-time inspection of each machining process. We can control tolerances to extremely tight ranges, with critical dimensions achieving tolerances within ±0.001 mm. This stringent tolerance control ensures that our permanent magnet components perform optimally in assembly and application, meeting our clients’ demands for high-quality products.
Special Shapes
We excel in machining complex shapes for permanent magnet components, demonstrating a high level of professional expertise. Our technical team possesses extensive experience in design and programming, skillfully using specialized CAD/CAM software for precise modeling and programming of complex geometries. Whether it’s a permanent magnet rotor with intricate surfaces or a component with unique structures and irregular contours, we utilize multi-axis machining technology to achieve flawless production. Throughout machining, we precisely control tool paths and cutting parameters, ensuring the relative positioning and motion trajectory between the tool and workpiece meet design specifications, accurately transforming special shapes from concept to reality.
Extreme Dimensions
Handling extreme dimensions in permanent magnet components is also well within our capability. For extremely small components, we use custom micro-tools and refined machining techniques. We have specially designed fixtures for securely holding and precisely positioning micro-components during processing to prevent damage or deformation. For large permanent magnet components, we employ large-scale machining equipment and optimized processing solutions. Through careful adjustment and optimization of our equipment, we maintain high precision across large machining areas. Whether dealing with small or large permanent magnet components, we leverage our technical expertise and extensive experience to deliver high-quality results.
Magnetic Testing
Magnetic testing mainly employs a gaussmeter, a fluxmeter, and a pulse magnetic field tester. The gaussmeter and fluxmeter accurately measure the magnetic field strength on the surface of permanent magnet components to obtain remanence data. The pulse magnetic field tester applies a reverse magnetic field to precisely measure the coercivity of the permanent magnet. Determining the magnetic energy product requires combining the data from these measurements, which is calculated using specialized formulas. The entire process depends on high-precision measuring instruments and specialized calculation software. Testing requires a stable environment to avoid interference from external magnetic fields, with strict calibration of instruments beforehand to ensure high accuracy. Measurement parameters and methods are adjusted based on the type and specifications of the permanent magnet components, with multiple measurements taken to ensure data accuracy and reliability.
Physical Performance Testing
Dimensional and shape measurements use calipers, micrometers, and coordinate measuring machines (CMM). Specifically, calipers and micrometers are used to measure the basic dimensions of simple – shaped permanent magnets, while CMM can provide precise three – dimensional data for complex shapes. For accurate measurements, components are placed on a stable, temperature-controlled platform free from vibrations. Density measurement follows Archimedes’ principle using a density meter by weighing the magnet in both air and a specific liquid to calculate its density accurately. Liquid temperature and purity are strictly controlled to avoid errors. Hardness testing is conducted using a Rockwell or Vickers hardness tester, selecting the appropriate method based on material type and characteristics. Testing conditions, such as load and holding time, are carefully chosen according to hardness standards, ensuring the hardness value’s accuracy as a reliable basis for evaluating the magnet’s physical properties.
Salt Spray Testing
The salt spray test chamber is the primary equipment used for this test. It controls salt concentration (typically 3% – 5% sodium chloride solution), temperature (around 35°C), spray volume, and duration. Equipped with observation windows and lighting, it allows for real-time monitoring of surface changes. Before testing, the chamber undergoes a comprehensive inspection and calibration to ensure parameter accuracy and stability. The components are positioned within the chamber to ensure even salt spray exposure. Observations are recorded at predefined intervals using high-resolution microscopes to check for rust, corrosion pits, or peeling. Upon completion, corrosion levels are evaluated based on standards to assess the component’s corrosion resistance.
High-Temperature, High-Pressure, High-Humidity Testing
This test uses a high-temperature, high-pressure, high-humidity chamber that can precisely set temperature (120°C – 200°C), pressure (0.2 MPa – 0.5 MPa), and humidity (90% – 95%) and maintain these parameters over extended periods. The chamber is equipped with sensors for real-time environmental monitoring. Calibration and seal checks are performed beforehand to ensure parameter control accuracy. The components are securely mounted on custom fixtures to ensure stability and safety. Data such as temperature, humidity, pressure, and magnetic changes are monitored and analyzed in real-time. Any abnormalities trigger immediate cessation and inspection.
Constant Temperature and Humidity Testing
The constant temperature and humidity test chamber precisely controls temperature (e.g., 25°C) and relative humidity (e.g., 60%) for prolonged periods. Equipped with temperature and humidity sensors and an air circulation system, it ensures even distribution of conditions, with a data recording system tracking environmental parameters and performance changes in the components. Before testing, the chamber is calibrated and adjusted to ensure compliance with standards. Components are placed on standard racks within the chamber, maintaining uniform temperature and humidity. Performance checks, including magnetic properties and visual inspections, are conducted at specified intervals, comparing results with initial data.
Thermal Shock Testing
The thermal shock chamber has two or more temperature zones, enabling rapid temperature transitions. The chamber includes high-precision temperature sensors and fast temperature adjustment capabilities, ensuring controlled temperature change rates and consistent dwell times in each zone. Comprehensive checks and adjustments are performed to meet accuracy, speed, and stability requirements. Components are securely positioned in specialized fixtures for consistent heat conduction during testing. Cycle counts (e.g., 10 – 50 cycles) and duration in each temperature stage are strictly managed for thorough thermal shock analysis.
Machining Equipment
We are equipped with a range of top-of-the-line, high-precision machining equipment from internationally renowned manufacturers, integrating the latest in mechanical manufacturing technology and automated control systems. Our CNC milling machines, which utilize ultra – precise ball screw transmission and linear motor drive technology, can achieve positioning accuracy at the micron level. This precision enables every detail of the permanent magnet components to be finely crafted during the milling process. Our high-precision grinders are equipped with an online measurement and compensation system, allowing real-time error monitoring and correction throughout the machining process to ensure dimensional accuracy and surface quality of the components. These machines have undergone rigorous testing for stability and can operate consistently in high-load production environments, guaranteeing high precision and efficiency.
High Precision Tolerances
We have a mature and rigorous quality control system to manage high-precision tolerances. Our engineering team performs detailed tolerance analysis and planning for every dimension of the permanent magnet components. During production, we use advanced measuring tools and techniques to perform real-time inspection of each machining process. We can control tolerances to extremely tight ranges, with critical dimensions achieving tolerances within ±0.001 mm. This stringent tolerance control ensures that our permanent magnet components perform optimally in assembly and application, meeting our clients’ demands for high-quality products.
Special Shapes
We excel in machining complex shapes for permanent magnet components, demonstrating a high level of professional expertise. Our technical team possesses extensive experience in design and programming, skillfully using specialized CAD/CAM software for precise modeling and programming of complex geometries. Whether it’s a permanent magnet rotor with intricate surfaces or a component with unique structures and irregular contours, we utilize multi-axis machining technology to achieve flawless production. Throughout machining, we precisely control tool paths and cutting parameters, ensuring the relative positioning and motion trajectory between the tool and workpiece meet design specifications, accurately transforming special shapes from concept to reality.
Extreme Dimensions
Handling extreme dimensions in permanent magnet components is also well within our capability. For extremely small components, we use custom micro-tools and refined machining techniques. We have specially designed fixtures for securely holding and precisely positioning micro-components during processing to prevent damage or deformation. For large permanent magnet components, we employ large-scale machining equipment and optimized processing solutions. Through careful adjustment and optimization of our equipment, we maintain high precision across large machining areas. Whether dealing with small or large permanent magnet components, we leverage our technical expertise and extensive experience to deliver high-quality results.
Magnetic Testing
Magnetic testing mainly employs a gaussmeter, a fluxmeter, and a pulse magnetic field tester. The gaussmeter and fluxmeter accurately measure the magnetic field strength on the surface of permanent magnet components to obtain remanence data. The pulse magnetic field tester applies a reverse magnetic field to precisely measure the coercivity of the permanent magnet. Determining the magnetic energy product requires combining the data from these measurements, which is calculated using specialized formulas. The entire process depends on high-precision measuring instruments and specialized calculation software. Testing requires a stable environment to avoid interference from external magnetic fields, with strict calibration of instruments beforehand to ensure high accuracy. Measurement parameters and methods are adjusted based on the type and specifications of the permanent magnet components, with multiple measurements taken to ensure data accuracy and reliability.
Physical Performance Testing
Dimensional and shape measurements use calipers, micrometers, and coordinate measuring machines (CMM). Specifically, calipers and micrometers are used to measure the basic dimensions of simple – shaped permanent magnets, while CMM can provide precise three – dimensional data for complex shapes. For accurate measurements, components are placed on a stable, temperature-controlled platform free from vibrations. Density measurement follows Archimedes’ principle using a density meter by weighing the magnet in both air and a specific liquid to calculate its density accurately. Liquid temperature and purity are strictly controlled to avoid errors. Hardness testing is conducted using a Rockwell or Vickers hardness tester, selecting the appropriate method based on material type and characteristics. Testing conditions, such as load and holding time, are carefully chosen according to hardness standards, ensuring the hardness value’s accuracy as a reliable basis for evaluating the magnet’s physical properties.
Salt Spray Testing
The salt spray test chamber is the primary equipment used for this test. It controls salt concentration (typically 3% – 5% sodium chloride solution), temperature (around 35°C), spray volume, and duration. Equipped with observation windows and lighting, it allows for real-time monitoring of surface changes. Before testing, the chamber undergoes a comprehensive inspection and calibration to ensure parameter accuracy and stability. The components are positioned within the chamber to ensure even salt spray exposure. Observations are recorded at predefined intervals using high-resolution microscopes to check for rust, corrosion pits, or peeling. Upon completion, corrosion levels are evaluated based on standards to assess the component’s corrosion resistance.
High-Temperature, High-Pressure, High-Humidity Testing
This test uses a high-temperature, high-pressure, high-humidity chamber that can precisely set temperature (120°C – 200°C), pressure (0.2 MPa – 0.5 MPa), and humidity (90% – 95%) and maintain these parameters over extended periods. The chamber is equipped with sensors for real-time environmental monitoring. Calibration and seal checks are performed beforehand to ensure parameter control accuracy. The components are securely mounted on custom fixtures to ensure stability and safety. Data such as temperature, humidity, pressure, and magnetic changes are monitored and analyzed in real-time. Any abnormalities trigger immediate cessation and inspection.
Constant Temperature and Humidity Testing
The constant temperature and humidity test chamber precisely controls temperature (e.g., 25°C) and relative humidity (e.g., 60%) for prolonged periods. Equipped with temperature and humidity sensors and an air circulation system, it ensures even distribution of conditions, with a data recording system tracking environmental parameters and performance changes in the components. Before testing, the chamber is calibrated and adjusted to ensure compliance with standards. Components are placed on standard racks within the chamber, maintaining uniform temperature and humidity. Performance checks, including magnetic properties and visual inspections, are conducted at specified intervals, comparing results with initial data.
Thermal Shock Testing
The thermal shock chamber has two or more temperature zones, enabling rapid temperature transitions. The chamber includes high-precision temperature sensors and fast temperature adjustment capabilities, ensuring controlled temperature change rates and consistent dwell times in each zone. Comprehensive checks and adjustments are performed to meet accuracy, speed, and stability requirements. Components are securely positioned in specialized fixtures for consistent heat conduction during testing. Cycle counts (e.g., 10 – 50 cycles) and duration in each temperature stage are strictly managed for thorough thermal shock analysis.