Válvula de inyección de alta velocidad para adhesivo termofusible | Diseño de liberación rápida

1.3 Válvula de chorro
July 21, 2025
Conexión De Categoría: Válvula de chorro​
Resumen: Discover the PUR Type Piezo Valve ROHS Hot Melt Glue Valve, designed for high-speed jetting of hot melt adhesive in mobile phone and mini PAD mid-frame assembly. This valve ensures precise, non-contact dispensing with quick-release design for easy maintenance.
Características De Productos Relacionados:
  • Micro-precision control for accurate adhesive placement on narrow and complex frame structures.
  • Non-contact high-speed injection technology for efficient dispensing without contamination.
  • Special glue barrel and flow channel heating modules to maintain adhesive viscosity and prevent clogging.
  • Heat-resistant and wear-resistant structural design for durability under high temperatures.
  • Quick flow channel replacement and easy maintenance to reduce downtime.
  • Handles low- to medium-viscosity hot melt formulations with controlled shot volume and dot size.
  • Suitable for gluing mobile phone and mini PAD middle frames with tight tolerances.
  • Corrosion-resistant materials ensure long-term performance in demanding adhesive chemistries.
FAQ:
  • How does the piezoelectric valve solve the clogging problem of hot melt adhesive under high temperature?
    The valve has a constant temperature design with integrated heating modules (80~200℃) to keep the glue molten, and supports quick disassembly for thermal or ultrasonic cleaning.
  • Can high-viscosity hot melt adhesive (such as EVA-based) be sprayed stably? How to optimize?
    Yes, by reducing viscosity through heating and adjusting drive voltage waveform and injection frequency to minimize shear force influence.
  • Can the injection accuracy and speed of the piezoelectric valve meet the needs of high-speed production lines?
    Yes, it offers 0.5nL minimum accuracy with ±2% repeatability and a maximum injection frequency of 1kHz, suitable for high-speed assembly lines.
  • What is the life and maintenance cost of the piezoelectric valve?
    The piezoelectric stack lasts over 800 million cycles, with regular replacement of high-temperature resistant fluororubber sealing rings and impact needle nozzles every 300 million cycles.
  • How to be compatible with hot melt adhesives of different models/colors? Is it necessary to stop the machine for cleaning when switching?
    The valve supports quick glue change with spare flow channels for quick replacement, though cleaning is required when changing glue types.
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