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Design of Modular Fixture for CNC Machining Center

Zainal Abidin, Mohd Zul Akmal (2011) Design of Modular Fixture for CNC Machining Center. Universiti Teknologi Petronas. (Unpublished)

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Abstract

The current practice of clamping workpiece for Mazak Variaxis 630 5x II is impractical since different clamping component or fixture was installed repeatedly such as jaw chuck and movable vise to clamp different shape of the workpiece. This practice has increase the setup time of the machine as it covers installing and uninstalling of the fixture. Therefore, in order to reduce the setup time of the machine, a new fixture need be designed to clamp variable shapes and dimensions of the workpiece using the same fixture. Thus, this project objective is to design a fixture with higher flexibility namely modular fixture where it suits with this kind of situation. The first step in designing a . fixture was to determine the shapes and dimensions of the workpiece. Then, the external forces were calculated where the cutting force and cutting torque were determined. After external forces are evaluated, the planning to position the equipment such as locator, support and clamps were performed. After fixture planning was done, the design concept was generated by using several methods such as conceptual decomposition, functional decomposition, morphological chart, and lastly Pugh's concept selection to select the best and practical concept. The design was then analyzed especially the clamping force of the clamps. The final phase of this project was to select the required material followed by the final assembly and detailed drawings of each component of the modular fixture. From the analysis performed, it is proven that the developed design is capable to withstand the external forces acting on the fixture.

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Materials - Engineering materials - Metals alloys - Fabrication
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:23
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/7164

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