Intertronics offers jetting valve system for precision dispensing
Adhesives specialist, Intertronics supplies the Vermes Microdispensing System (MDS) 1560, an easy-to use, cost effective jetting valve for a range of viscosities, including solder pastes. The MDS 1560 is based on dynamic shockwave technology (DST), a pneumatic actuator technology which optimises the valve’s yield to achieve more precise dispensing. It dispenses very small amounts in rapid succession and the company says that the consistent actuation power delivers high precision, even at the smallest dispense stroke.
The Vermes MDS 1560 dispenses small volumes of material at fast speeds with accuracy and repeatability, including onto 3D surfaces. It offers a high clock frequency of around 500Hz and dispenses shot sizes down to around 1nl for expanded capability, including dots and beads over complex geometries.
The system is made up of two parts, the MDV 1560 jetting valve and the MDC 1500 valve controller. It is simple to set up, says Intertronic, and process and parameters can easily be modified on-the-fly to alter the dispensing pattern.
The jetting valve can be mounted from any of three sides and has a rotatable fluid box. This means it can be integrated into dispensing automation or robotics, even when space is at a premium. The bayonet-style fluid box is easy to remove and the tappet change is easy and does not require additional tools, adds Intertronic. An integrated temperature system, including nozzle heating and monitoring, delivers stable temperature and optimal material viscosity.
Peter Swanson, managing director of Intertronics explained the difference between DST and traditional, piezo-based products. “Optimised channel guidance and configuration of the compression geometries generate a shock wave in the actuator. This is converted into a highly dynamic linear movement due to the special piston area. DST therefore enables a high level of power and precision.
“We have used the MDS 1560 to successfully jet solder pastes of Type 5 and smaller solder particle sizes, without plugging and clogging at the tappet tip ― something which is difficult to achieve with other technology,” added Swanson. “The valve is cost-effective and easy to use and we will be recommending it to customers for a wide range of applications, particularly for highly viscous and difficult to dispense materials.”
The MDS 1560 can be used for electronics, medical device manufacturing, automotive technology and consumer goods. In electronics for example, it can be used for jetting sealants or gaskets, solder paste dispensing onto PCBs or dispensing adhesives. The MDS 1560 is optimised for applying adhesives and coatings, solder pastes from Type 5 and higher, solder fluxes, inks, oils and greases, organic solvents and all aqueous solutions.
