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Research and Realization on Correlation Techniques of High-accuracy Chip Bonder

Author: CaoShengJun
Tutor: ZhuYongPing
School: Hubei University of Technology
Course: Applied Computer Technology
Keywords: Mounter Visual system Image processing Coordinate platform Program motion control
CLC: TN205
Type: Master's thesis
Year: 2011
Downloads: 96
Quote: 1
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Abstract


Is a high-precision placement machine (Chip Bonder) suitable for small feature size and high placement accuracy requirements of the optoelectronics industry production line process of a high-precision automation equipment . The topics discussed precision placement machine system principles and overall structure of the design method . Mounter system is mainly composed by the visual system , coordinate platform , as well as motion control system . System for placement machine and core technology involved to carry out the work of the following aspects : First, the placement machine vision system , against the the Mounter actual application environment , the use of machine vision equipment to complete the image processing , recognition process. Image segmentation technology image segmentation algorithm based on local binary fitting model LBF (Local Binary Fitting) , and the desired effect is achieved through experiments . Secondly, convert the coordinates of the target in the visual system and the completion of the programming work . Secondly , coordinate Platform Mounter Firstly coordinate platform structure layout introduced. Then, the placement machine CMM platform error causes are analyzed in detail , and simulation experiment platform dynamic error . Which provide a realistic basis for the realization of the platform 's real - time error correction , and the to guide further successful completion of the precise positioning precision SMT operation . Finally, the systematic introduction of placement machine motion control module . Describe the motion control module pneumatic system , electric control system , servo system and related hardware part . Motion control strategy selected , first expounded existing motion control solutions , and its advantages and disadvantages . Ultimately, the proposed based PC program motion control system design methods , and in the implementation of further illustrate the feasibility of the program .

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