MICRO MOULDING | NEWS
Ultrasonic Micro Moulding
NOW A REALITY
Barcelona-based technology innovator, Ultrasion SL, has just returned from the K Show, where its new and innovative micro moulding technology
— the Sonorus 1G Ultrasound Moulding Machine — was showcased with tremendous success.
There are some key drivers in the area of micro manufacturing, as OEMs seek smaller and smaller parts with more and more detail, while at the same time focusing on the costs associated with manufacture, especially tooling, energy and raw material costs.
Traditional micro injection moulding technologies have migrated from machines that were developed on the macro level. Ultrasion’s technology, however, is unique in the use of ultrasounds as the main source of energy to melt the plastic.
The process is simple. Only the shot size necessary for each shot is fed using standard pellets at room temperature. Melt occurs in milliseconds through the use of ultrasonics, which increases fluidity. Moulding can take place using low pressures while at the same time being highly replicable, and there is minimised waste as the parts are ejected.
The Sonorus 1G is especially well suited to the production of long, thin and flat precision parts, as it is able to induce extremely low viscosity in the melted plastic. 15 mm long parts with 0.075 mm thick walls are easily produced. In addition, as there are no heaters and no residence time, there is no material degradation. Also, the machine never needs purging, which can lead to substantial raw material savings, especially when using high-cost medical grade polymers.
Sales Manager Enric Sirera explained to CMM magazine the response from the attendees at the K Show. “I think people were
truly amazed at how the machine works, and that it really approaches the process of precision injection moulding from a brand new and innovative angle. There has been a lot of work and research brought to bear on the Sonorus machine over a period of about seven years, and the machine is now being used commercially in Europe and the United States. We would be delighted to discuss how this inexpensive and versatile technology can assist manufacturers in their micro moulding endeavours.”
The Sonorus 1G has a small footprint being 800 cm long, 850 cm wide, and 1800 cm high. It uses a 3 kW electrical power supply, and applies a 30 kN (3 ton) clamping force, accommodating shot volumes up to 1 cm3.
ULTRASION SL
www.ultrasion.com
30 | commercial micro manufacturing international Vol 6 No.6
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