Viscotec’s latest two-component printhead 3d prints polyurethanes, silicone and epoxies with more precision

ViscoTec’s Newest Two-Element Printhead 3D Prints Polyurethanes, Silicone and Epoxies With Extra Precision


Germany firm ViscoTec makes programs which can be required for conveying, dosing, making use of, filling, and emptying medium to high-viscosity fluids. Based mostly in Bavaria with subsidiaries in China, India, Singapore, and the US, ViscoTec first started working with 3D printing a number of years in the past when it launched a paste extruder, adopted by its Fluid Dosing and Deposition (FDD) Starter Equipment.

In 2017, the award-winning firm launched the primary of its modern printheads, adopted the following 12 months by its vipro-HEAD with optionally available heating perform for viscous fluids, after which the vipro-HEAD three/three and 5/5 for 3D printing two-component viscous fluids and pastes. Now ViscoTec is launching its newest two-component vipro-HEAD, which permits each of its motors to be instantly managed by a 3D printer – making it simple to exactly combine and print two-component viscous fluids and pastes.

3D printing of silicone midsoles with ViscoTec printhead.

Two-component 3D printing is a giant deal, as a result of it may well actually develop the scope of doable 3D printing functions. For example, silicone might be 3D printed on this method, which makes it doable for use within the medical subject and for fabricating issues like shoe soles. However the newest model of the vipro-HEAD is much more superior, not simply due to its two-component 3D printing capacity, however as a result of it’s supported by stress sensors for extra environment friendly and dependable printing.

The printhead’s foremost elements are the rotor and stator, which make it possible for the 2 elements constantly and uniformly ship materials from the suction level all the best way to the outlet, regardless of how small the amount and layer peak. This volumetric conveying precept implies that the vipro-HEAD can assure, as the corporate places it, “linearity of quantity and pace.” No matter their general viscosity, liquids and pastes might be processed by the two-component printhead, making it the proper alternative for supplies like acrylates, polyurethanes, silicone, and epoxy or polyester resins.

Every of the 2 materials elements might be fed individually, within the actual dosage, into the static mixer by a flow-optimized channel. Prospects can select a particular static mixer, which might be connected to the printhead, based mostly on their supplies and the diploma to which they should be blended collectively.

Excessive-quality sensors are used to ensure high quality prints by monitoring outlet pressures of every part, which is clearly extraordinarily vital relating to the repeatable half high quality that’s essential in sequence manufacturing. These sensors, together with the vipro-HEAD’s use of individually controllable drives, are main enhancements, along with an optionally available venting screw, which permits extra air to vent shortly. The sensors, which include removable 5 m lengthy motor cables, additionally assist in avoiding high quality variations or course of delays that come from hardened mixers, which helps defend each the stator and the rotor from being broken.

As a result of each elements enter the stator by a separate inlet, and the supplies might be individually dosed, the vipro-HEAD can obtain high-quality, dependable 3D printing of liquid two-part elements which have glorious chemical resistance and mechanical properties. As well as, ViscoTec’s pressure-tight, self-sealing displacement system is utilized in each sizes of the vipro-HEAD, ensures managed rotary motion of the rotor, which conveys the elements by displacement within the stator. Which means the fabric is returned by reversing the rotation course, which ensures prime quality and a managed materials thread break.

As a result of the brand new vipro-HEAD may also help 3D print elements which can be in a position to face up to chemical and mechanical stresses, ViscoTec can present firms within the aerospace, automotive, electronics, and medical fields with an optimum answer for two-component 3D printing of viscous fluids and pastes.

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[Images: ViscoTec]


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