Design of a model for multi axis measuring machines to analyze error positioning in Gantry systems
Anaya Aranda, José Gustavo
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There have been cases in which poor quality control has threaten a company’s survival. This has caused that clients keeps demanding for higher quality products, therefore Manufacturing systems need to analyze the product and process control for the measurement of parts to determine geometric errors. The present work develops an analysis on finding translational and angular error parameters of an H-type Gantry system in a laser measurement machine. These parameters cause positioning errors to the 3-axis machine. Different sensors are mounted into the system capable of acquire accelerations, angle orientations and translational positions for constant monitoring of the machine. These sensors are used, along an Articulated Arm Coordinate Measuring Machine (AACMM), to determine error parameters presented in the Gantry system. The recorded data is used to construct an Homogeneous Transformation Matrix of the whole system for finding the deviation in each axis in the machine, especially along the Z-axis. An Inertia measurement unit (IMU) sensor is mounted into the system to find angular errors that can affect the system. The objective is to use this sensor to establish normal parameters of operation for the machine to further develop the digital twin.
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