A polar coordinate 3d printer

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

Active Publication Date: 2018-01-12
四川康铭智能装备科技有限公司
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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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  • A polar coordinate 3d printer
  • A polar coordinate 3d printer

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Embodiment Construction

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

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

[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 bottom plate 1, a print head 9, a circular working table 10, a beam 5, a rocker 15 and a vertical plate 2 and a second plate arranged on the bottom plate 1. A motor 3 and a fifth motor 16, the print head 9 is installed on the cross beam slider 18. Driven by the second motor 7, the cross beam slider 18 can move left and right on the cross beam guide rail with the screw nut of the second screw 8, Realize the linear printing on the plane; at the same time, the firs...

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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 a three-dimensional rapid prototyping device, 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 a rectangular coordinate system. The principle is to complete the manufacturing technology of the physical prototype layer by layer according to the CAD model (electronic model). Specifically, rapid prototyping technology discretizes the three-dimensional solid model established on the CAD system, divides the height of the solid model into several thin layers, and uses the layer information of these different heights to control the molding equipment for layer processing, and the thin The layers are stacked to obtain the three-dimensional modeling required for processing. [0003] Analysis of 3D printer based on Car...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/20B29C64/227B33Y30/00
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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