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    (1) diaphragm manufacturing process
    Precision molding

    A high precision mold is used for one-time molding of the diaphragm to ensure consistency of shape and thickness.
    Use vacuum assisted molding technology to reduce bubbles and improve material density.
    Surface coating treatment

    The surface of the diaphragm is coated with a PTFE (polytetrafluoroethylene) or silicone rubber layer to improve wear resistance and air tightness.
    The coating thickness is strictly controlled for both flexibility and durability.
    Stress relief treatment

    The internal stress generated during the forming process of the diaphragm is eliminated by heat treatment to prevent cracks or fatigue damage during long-term operation.
    (2) Piston processing technology
    High precision Numerical Control (CNC)

    High precision machining of pistons with CNC turning and milling complex equipment ensures surface finish and dimensional tolerances within microns.
    Key parts, such as sliding surfaces, are mirrored to reduce the coefficient of friction.
    Low friction coating technology

    Apply DLC (diamond-like coating) or PTFE coating to the piston surface to reduce friction and wear.
    The coating is either vacuum deposition (PVD) or spray process to ensure uniformity and adhesion.
    Roundness and straightness control

    The roundness and straightness of the piston are monitored in real time using an online measuring system (such as a laser measuring instrument) to avoid deviations during movement.
    (3) Valve manufacturing process
    High precision injection molding

    The high precision injection molding process for the valve disc and seat ensures the precision of the tiny structure and reduces the risk of air leakage.
    Use multi-cavity molds to increase production efficiency and ensure consistency in high volume manufacturing.
    Laser micromachining

    Micrometer machining accuracy is achieved by laser cutting or drilling on precision valve components.
    Make sure the valve opens and closes smoothly and responds sensitively.
    Assembly calibration

    Valve assemblies need to be assembled in a clean room environment to avoid particles affecting performance.
    (4) Seal manufacturing process
    Liquid Silicone Injection Molding (LIM)

    Seals are manufactured using liquid silicone injection molding technology to ensure high precision molding of complex geometric structures.
    Improve cleanliness and consistency by eliminating manual intervention through automated production lines.
    Post-processing optimization

    After forming the seal, the secondary vulcanization treatment eliminates the remaining volatile substances during forming, and improves the air tightness and chemical stability.
    (5) shell processing technology
    Injection molding + spraying

    Injection molding with high-strength engineering plastics such as ABS or PC-ABS alloys ensures lightweight and structural strength.
    The outer surface is sprayed (e.g. antibacterial coating, UV protection coating) to enhance the shell functionality and durability.
    Metal shell processing

    Aluminum alloy or stainless steel shell adopts die casting process to ensure shell strength and heat dissipation performance.
    The surface is anodized to improve corrosion resistance and aesthetics.
    2. Assembly process
    (1) Automatic assembly
    High precision robotic assembly

    Automated assembly with robots ensures the position accuracy and assembly consistency of parts.
    The robot vision system is used to detect assembly deviations and correct them in real time.
    On-line torque control

    Use in-line torque control devices at key component connections, such as thread fixation, to ensure consistent tightening at each assembly point.
    (2) Modular assembly
    The core components of the air pump (such as diaphragm module, drive module, valve module) are designed as independent modules, and modular assembly is carried out during assembly to improve assembly efficiency and maintainability.
    (3) anti-pollution assembly
    Assemble components in direct contact with gases in a clean room environment to prevent dust, oil or particulate contamination.
    3. Inspection and quality control
    (1) Parts testing
    Dimensional accuracy detection
    Use a coordinate measuring instrument (CMM) to check the dimensional accuracy of key components.
    Surface finish detection
    Surface roughness is measured with a laser interferometer to ensure that sliding parts, such as pistons, have a low friction surface.
    (2) The whole machine performance test
    Pressure and flow testing

    The output pressure, flow rate and response time of the air pump are monitored in real time using a dynamic test bench.
    Fatigue life test

    Long time simulation tests under high frequency operating conditions to verify the life and reliability of the miniature air pump.
    Noise and vibration testing

    The operating noise and vibration of the air pump are tested in a dedicated soundproof chamber to ensure compliance with medical equipment requirements.
    4. Application of advanced manufacturing technology
    (1) Additive Manufacturing (3D printing)
    For rapid prototyping and complex parts processing.
    For example: the optimal design of the piston cavity or the internal air path, and the realization of more complex geometric shapes through 3D printing.
    (2) Laser welding
    The use of laser welding technology for high-precision metal components, such as air pump housings, reduces the heat-affected area of traditional welding and improves the strength of the connection.
    (3) Data-driven manufacturing
    The introduction of Industry 4.0 technology, the use of sensors to collect key parameters in the production process (such as temperature, pressure, processing speed), through data analysis to optimize the process flow.
    5. Process improvement and continuous optimization
    (1) Continuous improvement mechanism
    Establish feedback mechanisms to continuously improve manufacturing processes through market and usage data.
    (2) Lean production
    Optimize production line layout, reduce waste and unnecessary operations, and improve production efficiency.
    (3) Process training
    Provide continuous process optimization training to technicians to ensure that process improvements are implemented efficiently.