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RPS-DW35
Rps-sonic
RPS-DW35/28
35Khz Desktop Ultrasonic spot Welding machine
What’s the principle of Ultrasonic plastic welding?
The high-frequency ultrasonic generator converts mains electricity into 35kHz high-frequency electrical energy, which is transmitted to the ultrasonic transducer to generate mechanical vibration. The vibration is amplified by the booster and delivered to the welding sonotrode. Under controlled pneumatic pressure, high-speed friction vibration generates instantaneous localized heat at the material contact surface, melting thermoplastic materials to form a firm integrated weld spot within milliseconds. After vibration stops, the joint cools and solidifies instantly for strong bonding.
This desktop 35kHz 800W ultrasonic spot welder is a compact benchtop ultrasonic welding unit independently developed by RPS-SONIC, engineered for precision small-area thermoplastic bonding, textile fabric spot welding, elastic band, ribbon and non-woven fabric joining. Integrated with high-performance 35kHz ultrasonic transducer and 800W high-power drive generator, it delivers stable, efficient cold welding without heating rods or adhesives. The pneumatic vertical pressing structure and dual-hand safety start buttons ensure reliable operation and production safety for small-batch processing and laboratory prototyping.
Parameter
| Item | Parameter |
| Frequency | 35Khz |
| Generator | 2000B/2000E |
| Power | 800W |
| Welding horn | Titanium |
| Welding area | 15*15mm in max |
Elastic band, fabric ribbon, woven tape spot welding and cutting sealing
Disposable mask ear loop ultrasonic spot welding
Non-woven fabrics, PP/PE thin plastic small component bonding
Synthetic textile trimming, edge sealing and point fixing
Electronic small plastic shell precision spot welding
Laboratory material welding test & sample making
Compact Desktop Design: Small footprint, easy to place on workbench, suitable for laboratory, small workshop and manual assembly lines.
35kHz High-Frequency Stable Output: Low vibration, delicate welding effect, ideal for thin fabrics and miniature plastic components; 800W power provides sufficient penetration for multi-layer materials.
Pneumatic Adjustable Pressure Cylinder: Welding pressure adjustable according to material thickness, consistent welding quality for every spot.
Dual-Hand Safety Trigger System: Two independent start buttons must be pressed simultaneously to activate welding, effectively preventing accidental hand injury during operation.
Quick Clamping Jigs: Red-handle quick fixtures fix workpieces fast, convenient for frequent material switching and batch small-part production.
Low Maintenance & Eco-Friendly: No consumables like glue or tape required; welding process produces no open flame, no toxic fumes, energy-saving and clean.
