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Brand: C.oeft
OE numbers: A2710510177
Product Name: Camshaft Cylinder Head Magnet
Compatible model: /
Product status: New
Number of teeth on the product: /
Product weight: 0.275KG
Packaging size: 15*7.5*6 cm
Product packaging: Neutral Packaging
Car Series: Germany
Car Type: For Mercedes-Benz
1.Detection of Camshaft Position and Speed Signals
As the core sensing element of the camshaft position sensor, when the engine operates, the camshaft drives this magnet to rotate synchronously. Through the periodic change of its magnetic field (approaching/moving away from the sensor coil), the magnet causes the sensor to generate an alternating induced current, converting mechanical motion into electrical signals. After processing, these signals are transmitted to the Engine Control Unit (ECU), which can accurately calculate the real-time rotation angle, speed of the camshaft, and the working order of the cylinders based on the signals, providing a "position reference" for subsequent control.
2.Assisting Precise Ignition and Fuel Injection Control
By combining the camshaft signals transmitted by the magnet with the crankshaft position sensor signals, the ECU can accurately determine the "intake, compression, power, and exhaust" strokes of each cylinder. Based on this, the ECU can precisely control the ignition timing of the ignition coil (e.g., ignition at the end of the compression stroke) and the fuel injection amount/injection timing of the fuel injector (e.g., fuel injection during the intake stroke). This ensures that the air-fuel mixture burns at the optimal timing, avoiding issues such as "pre-ignition," "late ignition," or "fuel injection misalignment," and ensuring the normal power generation of the engine.
3.Ensuring Engine Adaptability to Different Operating Conditions
It dynamically optimizes signal transmission accuracy for different operating conditions: during cold starts, the stable magnetic field signal ensures the ECU quickly identifies the cylinder stroke, shortening start-up time and reducing start-up vibration; during idle speed, the accurate speed signal helps the ECU fine-tune ignition and fuel injection parameters, reducing idle fluctuations and fuel consumption; during rapid acceleration, the real-time updated camshaft position signal allows the ECU to quickly match the ignition advance angle under high-load conditions, avoiding power lag and improving acceleration response.
1.Rapid Signal Response for Enhanced Driving Experience
The magnetic pole distribution design of the magnet is optimized (adopting a "multi-pole segmented" structure), so the synchronization between the magnetic field change frequency and the camshaft speed is higher, and the sensor signal response time is shortened to 0.02 seconds (about 0.05 seconds for ordinary magnets). This allows the ECU to adjust ignition and fuel injection parameters more quickly: the power response is faster during rapid acceleration (reducing the sense of lag by 0.2-0.3 seconds); the engine runs more smoothly during low-speed driving, and the idle vibration amplitude is reduced by 15%-20%, improving driving comfort.
2.Highly Stable Magnetic Field Performance for Accurate Signal Transmission
It adopts high-purity neodymium-iron-boron permanent magnet material (magnetic strength is increased by more than 30% compared with ordinary ferrite magnets) and has undergone "high-temperature demagnetization testing" (withstanding the high temperature of 150℃ in the engine compartment) and "magnetic field uniformity calibration." This ensures that the magnetic field strength attenuation rate is less than 5% during long-term use (the attenuation rate of ordinary magnets is about 15%). Even under high-frequency engine vibration (e.g., high-speed operation) or extreme temperature environments, it can still output stable and continuous magnetic field signals, avoiding control errors caused by signal fluctuations in the ECU.
3.Wear Resistance and Corrosion Resistance for Long Service Life
The surface of the magnet is covered with a multi-layer nickel-copper-chromium composite coating, which can not only resist chemical corrosion from engine oil and coolant in the engine compartment but also reduce friction and wear with surrounding components when the camshaft rotates (the coating hardness reaches HV500 or above). Tests show that its service life can reach more than 100,000 kilometers under normal operating conditions, far exceeding the 50,000-60,000 kilometers of ordinary aftermarket magnets, reducing the frequency of subsequent replacements and maintenance costs.
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