Two-pass automatic-spraying track optimization method of complex curved surfaces

A complex curved surface, automatic spraying technology, applied in spraying devices, special data processing applications, instruments, etc., can solve the problem of not being able to obtain coating quality and two spraying tracks

Active Publication Date: 2014-01-08
江苏三旗流体设备有限公司
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AI Technical Summary

Problems solved by technology

At present, the optimization of spraying trajectory for complex curved surfaces at home and abroad is based on the single-pass spraying process, such as the single-pass spraying trajectory for complex curved surfaces, irregular planes and irregular polyhedrons provided by publication numbers CN101239346, CN101367076A and CN102500498A respectively However, in the actual spraying process, in order to meet a certain spraying requirement, the process method of two-pass spraying is often used. If the trajectory optimization method of single-pass spraying is simply superimposed on the two-pass spraying process, the coating cannot be obtained. The two-pass spraying trajectory with the best quality, there is still room for improvement in the automatic spraying trajectory optimization method for complex curved surfaces in the two-pass spraying process

Method used

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  • Two-pass automatic-spraying track optimization method of complex curved surfaces
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  • Two-pass automatic-spraying track optimization method of complex curved surfaces

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Embodiment Construction

[0063] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0064] like figure 1 , figure 2 and image 3 As shown, the present invention has designed a kind of two-pass automatic spraying trajectory optimization method for complex curved surfaces, comprising the following steps:

[0065] Step 001. Use the experimental method to model the spraying process of the spray gun, and obtain the coating thickness distribution model of the spray gun for the spraying plane, as follows;

[0066] During the spraying process, the coating growth rate model formed by the spray gun directly affects the quality of the entire coating production, so it is very important. The present invention is developed based on a conical paint spray gun whose spray torch has a circular cross-section and the same coverage in all directions. Assuming that the spraying distance H, spraying flow rate Q, spraying...

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Abstract

The invention relates to a two-pass automatic-spraying track optimization method of complex curved surfaces. On the basis that first-pass spaying track parameters are obtained, to guarantee second-pass spraying uniformity, changes of the spraying height of a spraying gun are considered, and three second-pass spraying-gun spraying models are built on this account. Variance minimality of an ideal coating thickness and an actual coating thickness is made as an optimization objective, second-pass spraying-gun spraying track parameters are solved and obtained, and finally a spraying-gun spraying track is generated according to a spraying pane obtained through fragmentation of the complex curved surfaces. Therefore, coating uniformity of the complex curved surfaces in the two-pass spraying process is promoted further, and spraying quality of the surfaces of products is improved.

Description

technical field [0001] The invention relates to a surface spraying track optimization method, in particular to a complex curved surface two-pass automatic spraying track optimization method. Background technique [0002] Spraying robot is a very important advanced automatic coating equipment in the field of painting, widely used in fields such as automobiles, shipbuilding, molds and aerospace. For products and parts with coating on the surface, in addition to the size parameters and mechanical properties of the body are important indicators for evaluating the quality, the uniformity of the coating is also an important indicator for evaluating the quality of a product. For example, for the two-pass spraying process of automobile topcoat, through the slice processing of complex curved surfaces and the optimization of two-pass spraying trajectories, a spraying trajectory with the best coating uniformity on complex curved surfaces is designed under the two-pass spraying process ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B13/04G06F19/00
CPCB05B13/04
Inventor 曾勇周海查文炜倪骁骅许宁
Owner 江苏三旗流体设备有限公司
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