A method and system for calculating the consumption of 3D printing model consumables

A technology of 3D printing and calculation method, applied in the field of 3D printing, can solve problems such as inaccurate quotations, achieve accurate product quotations, and solve the effect of inaccurate quotations

Inactive Publication Date: 2021-03-05
HAIER GROUP TECHN R&D CENT +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This application provides a method and system for calculating the consumption of 3D printing model consumables, which solves the technical problem of inaccurate quotations in the calculation of product consumables in the existing 3D printing nylon SLS process

Method used

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  • A method and system for calculating the consumption of 3D printing model consumables
  • A method and system for calculating the consumption of 3D printing model consumables
  • A method and system for calculating the consumption of 3D printing model consumables

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Embodiment Construction

[0023] The specific implementation manners of the present application will be described in further detail below in conjunction with the accompanying drawings.

[0024] The method for calculating the amount of consumables for 3D printing models proposed in this application is especially aimed at the calculation of consumables in the laser sintering (SLS) process using nylon materials in 3D printing.

[0025] Such as figure 1 As shown, the calculation method for 3D printing model consumables proposed in this application includes the following steps:

[0026] Step S11: Search for all hollow structures on the 3D printing model.

[0027] by figure 2 Taking the 3D printing model 2 shown as an example, all the hollow structures 21 are found by traversing its surface.

[0028] Step S12: Determine the area of ​​the hollow structures one by one, and fill the hollow structures smaller than the set area to generate the first 3D printing model.

[0029] The searched hollow structures ...

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Abstract

The invention discloses a method and system for calculating consumables of a 3D printing model, which searches for all hollow structures on the 3D printing model, and fills the ones smaller than the set area to generate the first 3D printing model; the method along the surface of the first 3D printing model Extend outward with the first offset distance to generate a second 3D printing model; use a ball with a set diameter to traverse the surface of the second 3D printing model, and connect the surfaces formed by all the contact points of the ball during the traversal process to form the second 3D printing model Three 3D printed models were used as final consumable calculation models. Through the above steps, materials that cannot be nested in the same batch of printing of small pieces, nesting gaps between large and small pieces, and grooves on the surface of the second 3D printing model that are smaller than the diameter of the ball, etc. are also counted as the 3D printing. The consumable part of the model fully takes into account the fact that in the nylon SLS process, the heated nylon powder that does not participate in the molding is still counted as a consumable, so as to achieve accurate calculation of consumables.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to a calculation method and system for 3D printing model consumables. Background technique [0002] 3D printing technology (also known as additive manufacturing technology) is a collective name for a series of rapid prototyping technologies. It is based on digital model files and uses bondable materials such as powdered metal or plastic to print layer by layer. techniques for constructing objects. [0003] Among them, selective laser sintering (SLS) technology is a high-tech 3D printing technology that integrates the latest achievements in the fields of CAD / CAM, numerical control technology, laser processing technology, and material science. Applying this technology, through laser irradiation, powder materials can be bonded into layers and stacked layer by layer, so as to realize rapid prototyping of products. Compared with 3D printing technologies of polymer mater...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/393B29C64/153B33Y50/02
CPCB33Y50/02
Inventor 刘永辉马国军曹强
Owner HAIER GROUP TECHN R&D CENT
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