PLL Technology Ultrasonic Metal(copper/aluminum) Tube Sealer

ultrasonic tube sealing machine

description

This metal tube sealing machine is equipped with an ultrasonic generator and an end-sealing device. It is commonly used for sealing copper or aluminum tubes. The machine is small in size, fast in sealing, and simple to operate. This ultrasonic metal tube sealing machine adopts high-frequency vibration pressing of ultrasonic waves, making it suitable for sealing thin-walled tubes. It features minimal thermal zone influence, high precision, and excellent sealing performance, making it suitable for mass production.

Ultrasonic metal tube sealing machines can stably seal copper tubes, aluminum tubes, etc. This sealing machine uses PLL technology, has the advantages of high-precision sealing, energy saving and high efficiency, and extended equipment life. It is widely used in applications such as refrigerant copper tube sealing, green plant fuel tube sealing, etc.

application

  1. Refrigeration Industry

    • During the sealing of copper tubes, the Phase-Locked Loop (PLL) technology automatically adapts to varying tube diameters (e.g., φ6mm to φ25mm), ensuring leak-proof seals.

  2. Automotive Manufacturing

    • For high-frequency sealing of aluminum fuel pipes, PLL enables stable performance under high-speed production line demands, maintaining precision and durability.

  3. Medical Devices

    • In the sterile sealing of stainless steel catheters, PLL guarantees no Heat-Affected Zone (HAZ), preventing material oxidation and preserving biocompatibility.

Metal Tube Sealing Machine Video

Technical data

 ParameterSpecifications
Technical DataPower2000W – 3000W
 Frequency20kHz
 Working Air Pressure0.1 MPa – 0.7 MPa
 Input Voltage220V
 Key FeaturesHigh-power constant-power digital power supply and ultrasonic generator with mature PLL (Phase-Locked Loop) cycle technology (dual-in-one system).
 Welding ModeConstant power welding mode with digitally adjustable power and weld time.
 Weight15 kg
DimensionsLength × Width × Height450 × 240 × 100 mm

Customer FAQs

What is ultrasonic metal tube sealing machine?

The ultrasonic metal tube sealing machine can seal copper or aluminum tubes, effectively preventing the leakage of liquids or gases and ensuring the normal operation of pipeline systems. It also prevents external contaminants from entering the copper tubes, maintaining the purity of the fluids and protecting the tubes from corrosion and damage caused by external environments. This significantly prolongs the service life of the copper tubes.

Use serrated anvils, apply 2000N–4000N clamping force, and set short weld times (0.1s–0.3s) to fuse strands uniformly.

  • Perform pull tests (≥80% base material strength), microsection analysis, and comply with ISO 13485 for hermetic seals.

Ultrasonic welding creates molecular bonds without oxidation, ensuring 99%+ conductivity. Crimping risks micro-gaps, leading to resistance buildup over time.

High-power machines (e.g., 4000W–6000W) reliably splice wires up to 10 AWG. For precision work (e.g., 24 AWG), use systems with 20kHz–40kHz frequency and 0.01mm displacement control.

Yes! Use 30kHz–35kHz frequency and pressure settings (e.g., 3000N) to fuse dissimilar metals without flux or solder.

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