Abstract
In this paper, a new practical electrostatic rotating bell (ESRB) cumulative rate model of painting is derived, and an experimental study on painting is carried out. First, the experimental method is used to obtain the radial thickness profile function of the spatial paint distribution of static spray. Then, a spatial trajectory-planning scheme for a spray-painting robot based on a rectangular model is presented. This method designs the spatial path of the spray-painting robot by using the cuboid model method after the optimal value is taken as the width d of the overlapping area of the two spray-painting strokes in the plane. The experimental results illustrate that the paint thickness basically meets the requirements, and the experimental results verify the effectiveness of the trajectory optimization method.
Highlights
IntroductionAn electrostatic spray-painting robot is a very important piece of painting production equipment
An electrostatic spray-painting robot is a very important piece of painting production equipment. It uses a high-voltage electrostatic field to improve the efficiency of paint deposition, and is globally used in the coating production lines of automobile
The high-voltage electrostatic spray-painting technology with a high-speed rotary bell used in spray-painting robots was developed by the BMW Company in Germany, which has greatly promoted the development of spray painting technology
Summary
An electrostatic spray-painting robot is a very important piece of painting production equipment. Inspatial order distribution to convert thisthe axisymmetric thatan theaxisymmetric radial thickness profile function of the static paint onstatic the figure represents an axisymmetric static spray profile. 2, the circular profile into a dynamic profile or striped paint deposition area, this axisymmetric static spray sprayspray model can be obtained by rotating the thickness profile around the axis of symmetry. 3, assuming that the integral of thestatic staticspray spray profile the spraying direction is H(y), the radial thickness profile h(r) of the circular model can along be accumulated. The expression is: x‐direction in Figure the cumulative rate of of thethe paint in the direction the same in the the Assuming that the 3, translational velocity is translation v, if the rotary bellistranslates along s( y) plane, H(y) is the integral of the paint rate thickness on whose length is s(y). As long as we obtain the radial thickness profile data of ESRB in unit time, we can obtain the paint deposition rate in the movement of ESRB, according to Equation (8)
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