As SMT manufacturing continues to evolve toward high-density assembly and high-reliability requirements, the impact of cleaning processes on yield has gradually shifted from a “supporting step” to a “critical control point.” Particularly before and after placement, as well as at key inspection stages, ineffective control of particulate contamination on PCBs and components can easily lead to defects such as insufficient soldering, short circuits, or long-term reliability risks. Therefore, achieving effective cleaning while avoiding any disturbance to the product itself has become a core challenge in cleaning equipment design.

Addressing this common industry demand, Youngpool Technology’s self-developed dry ultrasonic cleaning machine adopts “non-contact cleaning” as its key technical approach. Using clean air as the medium, the system generates high-speed ultrasonic airflow at the outlet of the cleaning head. Under the combined effect of ultrasonic vibration and airflow shear force, particles adhering to the product surface are detached from the substrate and simultaneously extracted by a negative pressure system. The entire process involves no physical contact, fundamentally eliminating potential issues such as scratching, electrostatic accumulation, or structural stress caused by traditional methods like brushes or contact rollers.

This non-contact cleaning approach is particularly advantageous when dealing with complex three-dimensional structures such as stepped surfaces and through-holes. Conventional contact-based solutions often suffer from cleaning blind spots, whereas airflow offers excellent accessibility and coverage, enabling more comprehensive cleaning of fine features without altering product positioning. According to equipment specifications, the removal rate for non-adhesive dust exceeds 97%, providing a more controlled surface condition for subsequent processes such as printing, placement, and inspection.

At the same time, the air-based design enables a “consumable-free” operation. The equipment does not rely on cleaning rollers, adhesive tapes, or liquid media, reducing downtime and maintenance associated with consumable replacement while also preventing secondary contamination. This characteristic delivers clear cost and operational management advantages for SMT lines pursuing long-term stable operation.

Without disrupting the airflow and cleanliness balance of the production environment, achieving efficient, stable, and zero-interference cleaning has become a higher standard for modern electronics manufacturing. Through the engineering implementation of non-contact dry ultrasonic airflow technology, Youngpool Technology provides a practical solution to meet this demand—ensuring cleaning performance while balancing product safety and operational efficiency, and enabling the cleaning process to effectively support overall yield improvement and quality control objectives.

Email: shicx@youngpool.com

Tel: +86 181 2417 2940