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Two XYZPrinting 3D printing patents approved by US patent office – 3ders.org (blog)

by • March 17, 2016 • No Comments

Mar 18, 2016 | By Kira
3D printing device developer XYZPrinting has not long ago had two 3D printing patents approved by the U.S. Patent and Trademark Office. The firstly is for a 3D print head module with a wiper unit that removes excess material of nozzle tips, improving the high end of multi-extrusion 3D prints and facilitating nozzle maintenance. The 2nd refers to a material level detecting mechanism that can measure the remaining amount of filament in a 3D printing device without having to detach the cartridge.

illustrated point of view view of the wiper unit
XYZPrinting is one of the largest names in consumer 3D printing right now. The Taiwan-based subsidiary of New Kinpo Group already manufactures a few of the many inexpensive
and reliable computer 3D printing devices on the market, and in 2015, was the global leader in the computer/personal 3D printing device space, owning just of 22% of the international market. In addition to the widely talked of da Vinci line of 3D printing devices, that comes with the da Vinci 1.0, da Vinci Junior, da Vinci AiO, da Vinci Pro, and Nobel 1.0 SLA 3D printing device, XYZPrinting not long ago announced a whole slew of next-generation 3D printing devices for the consumer market, as well as plans to additional expand into industrial 3D printing, 3D bioprinting, 3D food printing, and additional.
The company’s good outcomes is a combination of the weight making experience of New Kinpo Group, the world’s third-largest OEM developer; XYZPrinting’s mechanical engineering experience; and a few nifty 3D printing patents, two of that got U.S. approval this week.
The firstly 3D printing patent relates to multiextruder 3D printing devices. A problem that can arise in multi-extruder 3D printing, yet, is that as the print head is switched of one to another, a tiny amount of residual material can be left behind on the tip of the nozzle. That residual material can drop onto the 3D-print-in-progress, contaminating the surface and outcomeing in sloppy color-switch lines.
XYZPrinting’s solution was to turn it into a multiple print head module that comes with a wiper unit attached to a pivot shaft that can wipe away residual material left on the nozzle tips. The wipers in addition cover the nozzles of the print heads that are not in use. Not just does this enhance the high end of the 3D printed object, facilitating the crisp, clean lines sought out in multicolor 3D prints, but it in addition simplifies the cleaning and maintenance of 3D printing device nozzle tips.

schematic view of the printing head module according to an exemplary embodiment.

a partial point of view view of the printing head
The 2nd 3D printing patent refers to a mechanism for instantly detecting material levels inside a 3D printing device. Current 3D printing devices that use refillable cartridges need users to physically detach the cartridge to ensure there is sufficient material left to fish the 3D print. “The detachment system of the current printing heads are frequently time consuming, manpower intensive, and costly,” wrote XYZPrinting. “As a outcome, to a few extent, the current 3D printing system is yet inconvenient and expensive in terms of maintenance and cost of the equipment operation.”
To remedy this, engineers invented a 3D print head mechanism with two pistons and two detecting units. Essentially, the firstly detecting unit is located at the side of the printing head and is utilized to detect the ‘home’ position of the firstly piston. The 2nd detecting unit is located above the print head. The firstly piston triggers the 2nd detecting unit, pushing the 2nd piston downwards. The 2nd detecting unit detects the first and termination positions of the vertical movement, and can calculate the precise usage or remaining amount of material inside the 3D printing cartridge—all without any ‘manpower’ needd of the user.

schematic view of a material level detecting mechanism

partial cross-sectional view of a material level detecting mechanism
Both patents, filed in 2014 by XYZPrinting, Inc., Kinpo Electronics, Inc., and Cal-Comp Electronics & Communications Company Limited, are turn it intoed to simplify and enhance the computer 3D printing experience—the overarching goal of XYZPrinting itself. Having now got U.S. approval, it remains to be seen when and how they can be applied to next models inside XYZPrinting’s 3D printing device range.

Posted in 3D Printer Company

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