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piezobrush® Modules

Versatile exchange modules for the piezobrush® PZ3 and PZ3-i

Modules

Different surfaces must be activated with the appropriate accessories in each case to achieve a good result in the end. Depending on individual customer requirements, there are therefore different exchangeable modules that are suitable for both the piezobrush® PZ3 handheld plasma device and the compact piezobrush® PZ3-i integration solution. The device recognizes which module is currently being used and automatically adjusts the process parameters accordingly.

The PDD® technology used to generate the cold plasma of the piezobrush® product series is based on the discharge of high electric fields. Therefore, the electrical conductivity of the component to be treated, for example, is of decisive importance when selecting the modules. A total of five different modules are currently available: the Standard module, the Nearfield module, the Needle module, the Nearfield Needle module and the Multigas module.

All modules are also available in the relyon plasma Online Shop.

Overview of the available piezobrush® modules

The modules can be used as follows:

Module typeTypical Working distanceTypical Activation widthGas typesSuitable for non-conductive materialsSuitable for conductive materials
Standard2 - 10 mm~ 5 - 29 mm (air), ~ 5 - 50 mm (nitrogen)Air, nitrogenYesNo
Nearfield0,5 - 2 mm~ 14 mmAirNoYes
Needle2 - 5 mm~ 2 - 5 mmAirYesNo
Nearfield Needle0,5 - 2 mm~ 2 - 5 mmAirNoYes
Multigas2 - 20 mm~ 5 - 15 mmArgon, helium, nitrogenYesYes, in combination with argon or helium

Module Standard

Modul Standard

Module Standard is designed for surface treatment of non-conductive substrates such as plastics, ceramics, glass, natural fibers, leather, textiles and more. For effective treatment, a module-to-substrate distance of 2 to 10 mm is recommended. If uncontrolled flashovers occur during use on the substrate surface, e.g. metals or conductive polymers, the device switches off automatically after approx. 0.5 seconds. In this case, the surface is at least partially conductive and should therefore be treated with the Nearfield Module.

Module Nearfield

Modul Nearfield

This module is used for the treatment of (partially) electrically conductive materials such as metals, CFRP, indium tin oxide (ITO) or conductive plastics. However, this module may also be necessary for optimum treatment of conductive coated materials or assemblies with conductive components. With this module, ignition of the plasma only occurs when it is close enough to a conductive surface (this can also be hidden under a thin insulating layer). At a distance of 0.5 to 2 mm, a violet glow is then visible in the space between the module and the substrate, and the treatment is completed. At a greater distance, plasma treatment may not occur and the unit will automatically stop plasma generation after approximately 5 seconds.

Module Needle

Module Needle

The Module Needle is suitable for treating very small or hard-to-reach areas on non-conductive materials. It can be used to treat narrow grooves, bores or other cavities, as very fine processing is performed with the needle.

Module Nearfield Needle

Modul Nearfield Nadel

Like the Module Needle this module is also suitable for treating very small or hard-to-reach areas.  The Nearfield Needle is developed for conductive materials. Narrow grooves, bores or other cavities can be precisely treated with the Nearfield Needle.

Module Multigas

This module can be operated with the inert gases nitrogen, argon or helium. It is used in combination with a silicone hose, which is plugged onto the gas connection. The flow rate range is approximately 0.5 to 3.0 l/min.

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