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Mechatronics by J. Paolo Davim

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Chapter 1

Mechatronics Systems Based on CAD/CAM 1

This chapter describes several mechatronics systems that use computer-aided design/computer-aided manufacturing (CAD/CAM) software. These mechatronics systems include: a five-axis NC machine tool with a tilting head, a three-axis NC machine tool with a rotary unit, articulated-type industrial robots with six degreesof-freedom (DOF), and a desktop Cartesian-type robot with high-position resolution.

1.1. Introduction

Computer-aided design (CAD) involves creating computer models defined by geometrical parameters. Computer-aided manufacturing (CAM) uses geometrical design data to control automated machinery. CAD/CAM use computer-based tools and simulation that greatly assist the integration of design and manufacture processes. The main-processor of CAM generates cutter location data called CL data that contain precise position and orientation components, when the linear approximation mode is selected in CAM parameters. Hence, to achieve efficient implementation, machine tools and robotics can display superior abilities and high-level functions using the generated CL data.

1.2. Five-axis NC machine tool with a tilting head

In this section, a three-dimensional (3D) machining system based on a five- axis NC machine tool with a tilting head is evaluated as a conventional system [NAG 96]. The five-axis NC machine tool is one of the most representative and popular machine tools in wood product manufacturing. The machining system consists ...

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