Process Planning For CNC Milling Machine

Chan, Tai Tiong (2006) Process Planning For CNC Milling Machine. Project Report. Melaka, Malaysia, UTeM. (Submitted)

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Abstract

This study includes process planning that concerned with the preparation of route sheets that list the sequence of operations and work centers required to produce the product and its components. On the computer controlled machine tools, operation methods and mostly used process types in manufacture are drawn with solid modeling. CAPP system application has tended to be within the machining domain in manufacturing. CAPP systems rarely consider filcility status in decision making. The CAPP is a critical link between CAD/CAM in order to perfonn a process plan automatically. General CAD/CAM is still not integrated with CAPP module. Therefore, a skilled operator is needed to work with the CAD/CAM. This research aims to develop CAPP system to solve such problem for prismatic parts that can interface to CAD system. The main program that developed by Visual C++ and the part deals with manufacturing databases. They are cutting tools databases, material databases and drawing databases. The main program reads data from a DXF file and TXT file that is exported from AutoCAD. The sample part is created by AutoCAD. When the program is perfonned, the operation sequence is generated as well as material, cutting and parameter selection of the product. This developed method was prepared on PC by using C++ programming language for this purpose and is explained with a sample.

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