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3D printer based on polar coordinates

A 3D printer and polar coordinate technology, applied in the direction of additive processing, etc., can solve the problems of few types of printed products, slow printing speed, limited size range of printed products, etc., and achieve the effect of fast printing speed, low noise and simple structure

Active Publication Date: 2016-02-03
四川康铭智能装备科技有限公司
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AI Technical Summary

Problems solved by technology

Therefore, when processing thin-walled parts with a circular cross-section (the radius of the inner and outer circles is not much different), the use of XY Cartesian coordinates cannot fundamentally solve this problem
[0004] The workbench of the existing polar coordinate 3D printer is changed to a rotating workbench, but it can only print a rotating body centered on the center of the workbench, or products with a center hole. There are few types of printed products and the size range of printed products is limited. and the printing speed is slow

Method used

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Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] The present invention proposes the idea of ​​using the polar coordinate principle to design a rapid prototype machine, and on this basis, proposes the following polar coordinate three-dimensional printer technical scheme.

[0025] see figure 1 as well as figure 2 , the polar coordinate 3D printer of the present invention belongs to a 5-axis linkage device with a simple structure, including a base plate 1, a printing head 9, a circular worktable 10, a beam 5, a rocker arm 15, and a vertical plate 2 arranged on the base plate 1, a second One motor 3 and the fifth motor 16, the printing head 9 is installed on the beam slider 18, driven by the second motor 7, the beam slider 18 can move left and right on the beam guide rail with the leading screw nut of the second leading screw 8, Realize straight line printing on the plane; at the same time, th...

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Abstract

The invention provides a 3D printer based on polar coordinates. The 3D printer comprises a bottom plate, a workbench arranged on the bottom plate and capable of moving in a plane according to the polar coordinates, and a printing head having an adjustable distance with the workbench. The 3D printer provided by the invention realizes the completion of printing of the printing head for any curve and straight line in a working stroke under a coordinate system through the workbench, and has the advantages that the printing speed is fast, the curved surface dimensional accuracy of the printed parts is high, and the surface quality is also greatly improved; and meanwhile, the 3D printer provided by the invention is simple in structure, small in size and large in working range, the movement amounts of the printing head and the workbench during curved surface printing are much smaller than those under a rectangular coordinate system, the noise is also greatly reduced, and the service life is longer.

Description

technical field [0001] The invention belongs to the technical field of three-dimensional additive manufacturing, and relates to three-dimensional rapid prototyping equipment, in particular to a polar coordinate 3D printer. Background technique [0002] At present, the 3D printers developed in the domestic and foreign markets are all three-dimensional rapid prototyping in the Cartesian coordinate system. The principle is to complete the manufacturing technology of the physical prototype layer by layer based on the CAD model (electronic model). Specifically, the rapid prototyping technology is to discretize the three-dimensional solid model established on the CAD system, divide the height of the solid model into several thin layers, and use the layer information of these different heights to control the forming equipment for layer processing. Layers are stacked to obtain the three-dimensional shape required for processing. [0003] Analysis of 3D printer based on Cartesian co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C67/00B33Y30/00
Inventor 程永丽王永信赵瑜英
Owner 四川康铭智能装备科技有限公司
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