Cam Design Method for Variable Speed Action of Folding Wheel Based on Creo
This paper is based on the actual work requirements of cigarette tax invoice stickers,completing the folding action of the tax invoice from the horizontal position to the vertical position,the action of the pressure head being tangent to the side of the cigarette package to make the tax invoice stick tightly,and the action of the pressure head pushing the cigarette package away from the folding angle wheel after sticking tightly.Based on the required end sticker motion trajectory,reverse calculate the cam curve through steps such as model establishment,motion simulation,and parameter fitting.Using Creo design tool to establish a three-dimensional transmission model of the mechanism,and defining the motion curve of the servo motor to meet the predetermined requirements.Then,based on the obtained motion trajectory,the internal contour curve of the cam is calculated in reverse,and motion simulation is carried out based on the designed cam to obtain its velocity curve.The cam curve design is reasonable and can guide subsequent production.
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