In Surface Mount Technology (SMT) production, stencil cleanliness directly determines the accuracy and stability of solder paste printing — the foundation of high-quality PCB assembly. During continuous operation, solder paste, flux, and dust can accumulate on the stencil, affecting print definition and causing defects such as bridging or insufficient solder. The Y-750 Pneumatic Stencil Cleaner Machine provides an efficient, safe, and reliable cleaning solution. Utilizing compressed air instead of electricity, it eliminates potential fire hazards while delivering powerful cleaning performance that restores stencils to their optimal condition for precise and consistent printing.
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1.Operating Principle – Pneumatic drive, liquid circulation, spray cleaning, drying safety system.
Y-750 Pneumatic stencil cleaner uses compressed air and closed-loop circulation, combining spraying and filtration for safe, efficient SMT stencil cleaning.
- Press START
Press the “START” button to activate the pneumatic system. The machine begins its automatic cycle and prepares for pressurized cleaning operation. - Pump Pressure Work
Compressed air drives the pump to generate stable working pressure, ensuring sufficient force for liquid delivery and consistent spray performance. - Pump Liquid
The pneumatic pump transfers cleaning liquid from the storage tank into the circulation system, maintaining continuous fluid supply for the cleaning process. - Liquid Pass Filter
Cleaning liquid flows through multi-stage filters to remove particles and residues, protecting nozzles and ensuring efficient, clog-free cleaning performance. - Spray Nozzle Work
High-pressure nozzles spray cleaning liquid evenly onto the stencil surface, removing solder paste and contaminants from all mesh areas. - Cleaning Mesh
Pressurized liquid and air powerfully clean the stencil mesh, ensuring thorough removal of solder and flux without damaging precision openings. - 2 mm / 1 mm Filter
Used liquid passes through 2 mm or 1 mm filters, removing impurities before recirculating, completing a closed-loop and eco-friendly system.
Operating Principle
2.Technical Advantages
- Fully Pneumatic Design – Safe and Explosion-Proof
Air-powered system, spark-free, safe for flammable environments. - High Cleaning Efficiency & Uniform Results
Multi-nozzle spray ensures fast, even, thorough stencil cleaning. - Closed-Loop Circulation System – Energy & Solvent Saving
Recycled filtration saves solvent, reduces cost, eco-friendly. - Easy Operation & Low Maintenance
One-touch control, low maintenance, durable stainless-steel design. - Environmentally Friendly & Low Noise
Low-noise air system, minimal solvent evaporation, eco-safe. - Reliable Performance & Long Service Life
Industrial-grade build ensures stability and long-term reliability.
Technical Advantages
3.Product Features
- No need electronic power, no fire and detonate caused.
- Simple operation, only Start, Stop and Reset, that is all.
- Protecting Environmental, water recycle. Also can use IPA, alcohol or hydrocarbons are allowed, we suggest to use environmentally friendly cleaning agent.
- Lower consumption: 2 filters (cost $40.00) can clean more 200 cycles.
- The design of nozzle is low pressure and high flow, for drying methods, is normal temperature convection, without any damage for the stencil.
- Safety and stability, strong ability to clean, solvent-saving, small space occupied, full service.
Product Features
4.Main components
- Pneumatic timer from Germany’s FESTO providing precise control of cleaning duration and air flow cycles.
- Pneumatic diaphragm pump from Ingersoll Rand (USA) delivers stable pressure and consistent liquid circulation throughout the cleaning process.
- Handle from Southco (USA) offers ergonomic design and secure operation, ensuring user safety and convenience.
- Pneumatic switch and indicator light from Japan’s SMC guarantee accurate system feedback and smooth control, making the entire machine highly dependable and user-friendly.
Main components
Conclusion
Through the combined operation of pneumatic drive, liquid circulation, and spray cleaning, the Pneumatic Stencil Cleaner Machine achieves efficient, safe, and environmentally friendly stencil cleaning. Its closed-loop design not only saves solvent but also maintains consistent process quality, making it an indispensable tool for modern SMT production lines.
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