FDM3D printer and automatic leveling printing method and system thereof

An automatic leveling and printer technology, which is applied in the direction of additive processing, etc., can solve the problems of insufficient algorithm accuracy, too many sensor points, and no smooth optimization, etc., to achieve excellent product quality, high processing efficiency, and accurate leveling effects

Active Publication Date: 2016-07-13
SHENZHEN 7TH TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The purpose of the present invention is to propose an FDM3D printer and its automatic leveling printing method and system to solve the above-mentioned

Method used

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  • FDM3D printer and automatic leveling printing method and system thereof
  • FDM3D printer and automatic leveling printing method and system thereof
  • FDM3D printer and automatic leveling printing method and system thereof

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Embodiment 1

[0057] Such as Figure 1-3 As shown, this embodiment provides an automatic leveling printing method for FDM3D printers, including the following steps:

[0058] a. Collect the coordinates of 3 points on the printing platform;

[0059] b. Determine the normal vector of the plane where the printing platform is located by the coordinates of the three points;

[0060] c. Calculate the angle vector between the normal vector of the plane where the printing platform is located and the unit normal vector of the horizontal plane;

[0061] d, cache the GCODE file and extract the three-dimensional coordinates of the points in the GCODE file;

[0062] e. Calculate the correction coefficient matrix of the three-dimensional coordinates in the GCODE file according to the included angle vector;

[0063] f, multiplying the three-dimensional coordinates of the points in the GCODE file by the correction coefficient matrix to obtain new coordinates, and performing coordinate decoding on the new...

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Abstract

The invention discloses an FDM3D printer and an automatic leveling printing method and system thereof. The printing method comprises the following steps: a, collecting coordinates of three points on a printing platform; b, determining a normal vector of a plane, in which the printing platform is located, through the coordinates of the three points; c, calculating a vector of an included angle between the plane of the printing platform and a horizontal plane through the normal vector of the plane of the printing platform and a unit normal vector of the horizontal plane; d, caching a GCODE file and extracting a three-dimensional coordinate of a midpoint in the GCODE file; e, calculating a correction factor matrix of the three-dimensional coordinate in the GCODE file according to the vector of the included angle; f, multiplying the three-dimensional coordinate of the midpoint in the GCODE file by the correction factor matrix to obtain a new coordinate, and carrying out decoding on the new coordinate to realize coordinate compensation; g, outputting the compensated coordinate to be printed. The FDM3D printer has the advantages of being less in sensor sampling points, short in processing time and high in algorithm accuracy, and capability of carrying out smooth optimization on the leveled printing path.

Description

technical field [0001] The invention relates to the technical field of 3D printing platform leveling, in particular to an FDM3D printer and its automatic leveling printing method and system. Background technique [0002] At present, during the handling process of the FDM3D printer, several screws that fix the printing platform will be of different tightness, resulting in the printing platform not being parallel to the movement plane of the print head. If you print in this condition, the print quality will be affected, or even the print head will be damaged. In order to avoid the above phenomenon, after the FDM3D printer is installed, the printing platform must be leveled before printing. [0003] The existing leveling methods are roughly divided into the following three types: [0004] 1. The user manually adjusts the tightness of several screws that fix the printing platform in turn for leveling. This leveling method needs to rely on the rich experience of the user to be...

Claims

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Application Information

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IPC IPC(8): B29C67/00B33Y50/02
CPCB33Y50/02
Inventor 唐统海刘豫章陈楚技宗贵升蔡振宇
Owner SHENZHEN 7TH TECH CO LTD
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