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bielomatik - Vibration Welding for Thermoplastics
Vibration welding is a technique whereby thermoplastic parts are joined through an oscillating, linear relative motion. This motion generates heat at the contact surfaces, causing the thermoplastic material to become plasticized and subsequently welded together. By incorporating linear vibration welding with infrared pre-heating, the process is enhanced, allowing for more efficient and effective joining of components. This method is widely applied in industries such as automotive, home appliances, white goods, sanitation, and installation technology. The process provides a reliable, strong bond suitable for applications demanding high precision and durability. By understanding the technological nuances, such as oscillation amplitude, frequency, and pressure, professionals can optimize the welding conditions for specific materials and design requirements.
- Very short process times
- Suitable for almost all thermoplastics
Linear vibration welding
- One-step welding process
- Process consists of the following phases: solid frictional phase, non-stationary melt layer formation, stationary melt layer formation, cooling or holding phase
- The solid frictional phase generates a small amount of abraded particles (greatly depending on the material)
- For every thermoplastic, this process achieves an optimum melting temperature on the joint surface
Linear vibration welding with infrared pre-heating
- Process consists of the following phases: infrared pre-heating, changeover to vibration, non-stationary melt layer formation, stationary melt layer formation, cooling or holding phase
- Depending on the parameter setting, the solid frictional phase can be “skipped” almost completely
- With this additional function, sloping areas can be welded more successfully, and abraded solid particles can be almost entirely avoided
Applications: Automotive industry / home appliance and white goods industry / sanitation and installation technology
- Standard machine range as modules
- Expandable, customized, modular standard and special equipment – for flexible facility concepts (also pass-through operation) with robot handling, including Fast tool change concepts
- Vibration units with construction sizes from 400x300 to 1550x620 mm
- Machine program for high-frequency welding (180 – 220 Hz) for tool weights between 20 and 90 kg, and low-frequency welding (90 – 130 Hz) for tool weights of up to 180 kg
- Machines available with hydraulic and servo motor lifting table drive concepts
- Special ancillary equipment packages for infrared pre-heating with medium-wave infrared radiators