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Automatic calculation method of layered slicing process variables for arc-filled wire additive manufacturing

A technology of additive manufacturing and layered slicing, applied in calculation, computer-aided design, design optimization/simulation, etc., can solve problems such as difficult automatic calculation of process variables, avoid low calculation accuracy, solve low-level automation, and be reliable The effect of technical support

Active Publication Date: 2021-03-30
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide an automatic calculation method for the process variables of arc-filled wire-added additive manufacturing layered slicing process variables which are difficult to solve and automatically calculate in order to solve the problem of difficult solution and automatic calculation

Method used

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  • Automatic calculation method of layered slicing process variables for arc-filled wire additive manufacturing
  • Automatic calculation method of layered slicing process variables for arc-filled wire additive manufacturing
  • Automatic calculation method of layered slicing process variables for arc-filled wire additive manufacturing

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Embodiment Construction

[0021] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0022] The test conditions of this embodiment are: the heat source of arc-filled wire additive manufacturing is the gas metal shielded welding machine Panasonic YD-500FR, the welding torch is installed on a three-degree-of-freedom motion platform composed of three-axis stepping motors, and the motor controls the walking of the welding torch Speed, the substrate is Q235 low-carbon steel, the substrate size is 200mm×120mm×10mm, the fille...

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Abstract

The invention discloses an automatic calculation method for layered slicing process variables in arc-filled wire additive manufacturing. First, layered slicing and stacking sizes of the layers are set, sample data is designed, and a mathematical model for calculating the stacking layer size is established by the process variables; Set the initial process variable value, calculate the accumulation layer size by substituting into the mathematical model, and compare the calculation with the set accumulation layer size; if the error exceeds the set threshold, adjust the process variable according to the relationship between the process variable and the accumulation layer size and substitute The mathematical model calculates the new accumulation layer size, and repeats the calculation cycle until the accumulation layer size error calculated by the adjusted process variable is within the set threshold. The method of the present invention can automatically calculate the layered slicing process variable without establishing The mathematical model for calculating process variables avoids the problem of low calculation accuracy of process variables, and at the same time effectively solves the shortcomings of low automation of manual debugging of process variables.

Description

technical field [0001] The invention belongs to the technical field of arc-filled wire additive manufacturing, and in particular relates to an automatic calculation method for layered slicing process variables of arc-filled wire additive manufacturing. Background technique [0002] Arc-filled wire additive manufacturing uses welding arc as the heat source, and metal wire as the melting material. According to the three-dimensional model of the metal component, it is layered and sliced, and the metal component with a full weld is formed layer by layer. This technology has a series of advantages such as low equipment cost, high stacking efficiency, and good metallurgical bonding performance of formed parts, so it is widely used in the manufacture of large-scale metal structural parts. [0003] In arc wire-filled additive manufacturing, it is first necessary to perform layered slicing according to the three-dimensional model of the metal component to obtain the layer height and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06F119/18G06F111/06
CPCG06F30/20G06F2111/06G06F2119/18
Inventor 熊俊柯扬尹紫秋
Owner SOUTHWEST JIAOTONG UNIV
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