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Three-dimensional printing method and device, computer equipment and storage medium

A 3D printing and 3D model technology, applied in metal processing equipment, additive manufacturing, 3D object support structure, etc., can solve problems such as false printing in the middle and edge stacking, and achieve the effects of making up for delays, improving strength and aesthetics

Pending Publication Date: 2021-09-03
SHENZHEN CREALITY 3D TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Embodiments of the present invention provide a three-dimensional printing method, device, computer equipment, and storage medium, so as to avoid the problems of false printing in the middle or material stacking at the edge when printing and filling

Method used

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  • Three-dimensional printing method and device, computer equipment and storage medium
  • Three-dimensional printing method and device, computer equipment and storage medium
  • Three-dimensional printing method and device, computer equipment and storage medium

Examples

Experimental program
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Embodiment 1

[0048] figure 1 It is a flow chart of the three-dimensional printing method provided by Embodiment 1 of the present invention. This embodiment is applicable to the situation of compensating for the delay in discharging during the three-dimensional printing process, and the method can be executed by the three-dimensional printing device provided in the embodiment of the present invention, and the device can be implemented by hardware and / or software, Generally can be integrated in computer equipment. like figure 1 As shown, it specifically includes the following steps:

[0049] S11. Perform layered slicing on the 3D model to be printed.

[0050]Specifically, an existing slicing method may be used to perform layered slicing of the 3D model, and this embodiment does not specifically limit the method used. After the slicing is completed, the outline and filling data in each slice can be generated, and the printer can print layer by layer according to the data. Among them, the...

Embodiment 2

[0067] figure 2 It is a schematic diagram of the structure of the 3D printing device provided in Embodiment 2 of the present invention. The device can be implemented by hardware and / or software, and generally can be integrated into computer equipment. like figure 2 As shown, the device includes:

[0068] The model slicing module 21 is used for performing layered slicing on the three-dimensional model to be printed;

[0069] The filling line segmentation module 22 is used for segmenting the filling line according to the length of the filling line and the preset printing parameters for each filling line in each slice, and the segmentation result includes a deceleration section;

[0070] The extrusion amount determination module 23 is used to determine the corresponding extrusion amount according to the length of each section after segmentation;

[0071] The extrusion amount allocation module 24 is used to allocate the preset part of the extrusion amount corresponding to the...

Embodiment 3

[0093] image 3 The schematic structural diagram of the computer device provided for the third embodiment of the present invention shows a block diagram of an exemplary computer device suitable for implementing the embodiment of the present invention. image 3 The computer equipment shown is only an example, and should not bring any limitation to the functions and scope of use of the embodiments of the present invention. like image 3 As shown, the computer equipment includes a processor 31, a memory 32, an input device 33 and an output device 34; the number of processors 31 in the computer equipment can be one or more, image 3 Taking a processor 31 as an example, the processor 31, memory 32, input device 33 and output device 34 in the computer equipment can be connected by bus or other methods, image 3 Take connection via bus as an example.

[0094] The memory 32, as a computer-readable storage medium, can be used to store software programs, computer-executable programs ...

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Abstract

The embodiment of the invention discloses a three-dimensional printing method and device, computer equipment and a storage medium. The method comprises the steps that a three-dimensional model to be printed is subjected to layered slicing; for each filling line in each layer of slice, the filling line is segmented according to the length of the filling line and preset printing parameters, and a segmentation result comprises a deceleration segment; the corresponding extrusion amount is determined according to the length of each segment after segmentation; a preset part in the extrusion amount corresponding to the deceleration segment is distributed to other segments; and a G code file is generated according to the extrusion amount corresponding to each segment in each filling line after distribution, so that the three-dimensional model is printed according to the G code file. According to the technical scheme provided by the embodiment of the invention, the delay caused by the buffer pressure of the feeding guide pipe is made up, the problem of virtual printing caused by insufficient extrusion amount in the middle of the filling line is avoided, and the problem of layer lines or wall movement caused by edge stacking is solved, so that the strength and the attractiveness of the three-dimensional model are improved.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of 3D printing, and in particular to a 3D printing method, device, computer equipment, and storage medium. Background technique [0002] The filling printing in the existing Fused Deposition Modeling (FDM) printing is basically a straight line from one end of the wall to the other end, and then turns back to print the next filling line. When turning back, due to the need to change direction, the speed change is relatively large. However, the extruders used in existing FDM printing are usually remote extruders, so when printing linear filling, there will be a delay in the synchronization between the actual extrusion volume and the movement speed of the extrusion head. Specifically, during slice calculation, the movement speeds of the feeding extrusion motor and the printing nozzle are matched to each other, but due to the existence of the feeding conduit, there is some buffer pressu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/118B29C64/20B33Y10/00B33Y30/00
CPCB29C64/118B29C64/20B33Y10/00B33Y30/00
Inventor 刘辉林唐京科陈春敖丹军刘洪
Owner SHENZHEN CREALITY 3D TECH CO LTD
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