A large-format light-curing 3D printer
A 3D printer and surface light technology, applied in the direction of 3D object support structure, additive manufacturing, processing material handling, etc., can solve the problems of affecting processing speed, affecting the accuracy of molded parts, technical accuracy and printing speed gap, etc., to eliminate obstacles, Precise molding, high power density effect
Inactive Publication Date: 2017-05-03
北京优造智能科技有限公司
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Problems solved by technology
It is characterized by not using a laser system, easy to use and maintain, small in size, easy to carry, suitable for office environments and easy to be accepted by the general public, but because it needs to ensure a reasonable match between the extrusion speed and the filling speed during the wire production process, it affects the processing. Speed, the actual contour line of the extruded wire exceeds the ideal contour line area, which affects the precision of the molded part. Compared with SLA, DLP technology precision and printing speed, there is a big gap
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[0023] First of all, it must be pointed out that this embodiment is only used to further illustrate the present invention, and should not be construed as limiting the protection scope of the present invention.
[0024] The overall platform device such as figure 1 When installing and connecting, ensure that the Z-axis platform is parallel to the horizontal plane and ensure that the movement direction is perpendicular to the horizontal plane. Place the base plate on the Z-axis platform, and fix it with the Z-axis platform with a fixing piece. The beam emitted by the ultraviolet laser is shaped and then focused on the upper surface of the base plate through the mirror, which is used as the initial position of the platform. Pour photosensitive resin into the liquid replenishment tank, and control the page height of the liquid replenishment tank and the liquid storage pool through a computer-controlled pressure device. Complete the preparatory work before curing.
[0025] Use 3D...
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Abstract
The invention discloses a large-format light curing 3D printer, belonging to the technical field of 3D printing. The large-format light curing 3D printer is characterized by comprising a computer control system, an ultraviolet laser, a Z-axis direction moving motor, a Z-axis platform, an x / y axis numerical control system, and a reflector, a liquid storage pool and a liquid supply tank which are loaded on a linear motor, wherein the light beams of the ultraviolet laser vertically irradiate to the reflector which is loaded on the Y-direction moving linear motor, are reflected to the reflector loaded on the Y-direction moving linear motor and finally irradiate to the liquid photosensitive resin surface in the liquid storage pool; the Z-axis platform driven by the Z-axis direction moving motor is arranged in the liquid storage pool; a base supporting plate is arranged above the Z-axis platform; the liquid storage pool is connected with the liquid supply tank by virtue of a pressure control device; and the liquid resin is cured by virtue of ultraviolet laser beams by controlling the motion of the reflector and the Z-axis platform. The invention provides a 3D printer which integrates high processing speed, high molding precision, large molding format, high resin utilization rate and low cost.
Description
technical field [0001] The invention relates to an additive manufacturing (that is, 3D printing) equipment for making a three-dimensional physical model by using laser technology, especially a photocuring 3D printing equipment. Background technique [0002] The currently known 3D printing technology is known as the "third industrial revolution" and is widely used in industrial design, medical treatment, teaching, aerospace and other fields. The mainstream technologies of 3D printing technology include laser stereolithography (SLA), fused deposition modeling (FDM), selective laser melting (SLM), digital light processing (DLP), three-dimensional printing bonding (3DP), etc. [0003] Stereo Lithography Appearance (SLA) is the earliest rapid prototyping process. The light source used in SLA technology is laser, which has the characteristics of single wavelength, small spot size and high power density. Through precise control of the scanning head, It can realize high-speed and h...
Claims
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IPC IPC(8): B29C64/135B29C64/268B29C64/321B29C64/343B33Y30/00
Inventor 陈继民李东方窦阳
Owner 北京优造智能科技有限公司