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Which automotive parts can utilize the laser soldering process?


      The automobile industry is vast, and many components can be joined using laser soldering. Songsheng Photoelectric would like to introduce you to the parts that can be utilized for laser soldering, so you can gain a better understanding of this technology.

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      Laser soldering is widely utilized in the manufacturing of automotive components. The following are some common auto parts that can be welded using laser soldering:


      Automotive Electronic Control System


      Engine Control Unit (ECU) serves as the "brain" of the car's engine, receiving signals from various sensors and regulating engine operations based on these inputs. Laser soldering is employed to connect circuit boards and electronic components within the ECU, ensuring stable signal transmission and precise control.


      Body Electronic Control Module (BCM) is responsible for managing various electronic devices within the car's body, including lights, door locks, and windows. Laser soldering can be employed to connect the circuit board and electronic components inside the BCM, enhancing the reliability and stability of the system.

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                     A completed image of the laser soldering process for the central control motor of a new energy vehicle door.


      The car audio system is the entertainment equipment found within a vehicle. It includes components such as a radio, CD player, amplifier, and other related devices. Laser soldering can be employed to connect circuit boards and electronic components in sound systems, ensuring high-quality transmission and amplification of audio signals.

      Automated Driver Assistance Systems (ADAS): An automated driver assistance system is an advanced technology integrated into vehicles, comprising components such as sensors, controllers, actuators, and more. Laser soldering can be employed to connect circuit boards and electronic components within ADAS systems, ensuring high accuracy and reliability.


      Automotive Sensors


      Temperature Sensors: Temperature sensors are utilized to measure the temperature of various automotive components, including the engine, transmission, and coolant. Laser soldering can be employed to connect the probe to the circuit board of the temperature sensor, ensuring accurate transmission of the temperature signal.


      Pressure Sensors: Pressure sensors are utilized to measure the pressure in automotive tires, braking systems, fuel systems, and various other components. Laser soldering is employed to connect the sensitive elements of the pressure sensor to the circuit board, ensuring accurate measurement of the pressure signal.

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                        Automotive Ceramic Capacitive Pressure Sensor with Laser Soldering: Product Illustration


      Position Sensors: Position sensors are utilized to measure the locations of various automotive components, including the engine, transmission, and steering system. Laser soldering can be employed to connect the sensor components to the circuit boards of position sensors, ensuring precise detection of position signals.


      The speed sensor is utilized to measure the car's speed. Laser soldering can be employed to connect the rotor to the circuit board of the speed sensor, ensuring a stable output of the speed signal.

 

      Automotive Wiring Harness


       Wire-to-Terminal Connection: The wire in the car harness must be connected to the terminal to establish an electrical connection and facilitate signal transmission. Laser soldering can precisely weld wires and terminals together, ensuring the reliability and conductivity of the connection.


      Welding Multi-Strand Wires: In certain automotive wiring harnesses, it is necessary to weld multi-strand wires together to enhance current-carrying capacity and signal transmission quality. Laser tin welding can provide uniform welding of multiple wires, thereby preventing issues such as virtual welding and short circuits.


       Car Headlight

      LED lights offer advantages such as energy efficiency, environmental sustainability, and high brightness, making them widely utilized in automotive lighting. Laser soldering is employed to connect LED chips to circuit boards, ensuring optimal luminous performance and extending the service life of LED lights.

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                                Automobile Headlight Servo Steering Module Laser Soldering Completed Image


       The headlight module consists of several LED lights, mirrors, lenses, and other components. Laser tin welding can be employed to connect each component of the headlight module, ensuring optimal performance and stability.


      Other Auto Parts


      Laser soldering can be employed to connect the positive and negative terminals of an automotive battery, as well as the connecting pieces between battery modules. This technique enhances both the conductivity and safety of the battery.

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                       Automobile Spark Plug Contact Laser Soldering Product Diagram


       Automobile Air Conditioning: The compressor, evaporator, condenser, and other components of the automobile air conditioning system require welding. Laser tin welding can be employed to join these parts, enhancing the performance and reliability of the air conditioning system.


      Car Seats: Components such as heating wires and massage motors in car seats require welding, and laser tin welding can be employed to join these parts, enhancing both the comfort and functionality of the seat.

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                       Picture of the Songsheng Photoelectric Laser Constant Temperature Tin Welding System


          Songsheng photoelectric laser soldering system consists of a multi-axis servo module, a real-time temperature feedback system, a CCD coaxial positioning system, and a semiconductor laser. Through years of exploration in welding processes, Songsheng Photoelectric has developed intelligent brazing software that supports the import of various file formats. The original PID online temperature adjustment feedback system effectively controls constant temperature welding, ensuring high yield and precision. This product has a wide range of applications; it can be used in online production as well as for independent processing. It is particularly suitable for precision welding of automotive parts and offers the following advantages:


  1. Non-contact welding minimizes mechanical stress damage and reduces thermal effects.


   2.A multi-axis intelligent working platform (optional) can be connected to various complex precision welding processes.


   3.The coaxial CCD camera positioning and processing monitoring system can clearly display solder joints and promptly correct alignment, ensuring processing accuracy  and facilitating automatic production.


   4.The original temperature feedback system can directly control the temperature of the solder joint and provide a real-time welding temperature curve to ensure optimal welding yield.


   5.The laser, CCD, and temperature measurement system features a four-point coaxial design, providing an effective solution to the industry's multi-path coincidence problem while minimizing the need for complex debugging.


   6.Under the condition of a 99% excellence rate, the diameter of the welding spot must be at least 0.2 mm, and the welding time for each individual spot is reduced.


   7.The X, Y, and Z axes are designed to accommodate a wider range of welding devices, making them more versatile in application.


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