Welcome To UTPedia

We would like to introduce you, the new knowledge repository product called UTPedia. The UTP Electronic and Digital Intellectual Asset. It stores digitized version of thesis, dissertation, final year project reports and past year examination questions.

Browse content of UTPedia using Year, Subject, Department and Author and Search for required document using Searching facilities included in UTPedia. UTPedia with full text are accessible for all registered users, whereas only the physical information and metadata can be retrieved by public users. UTPedia collaborating and connecting peoples with university’s intellectual works from anywhere.

Disclaimer - Universiti Teknologi PETRONAS shall not be liable for any loss or damage caused by the usage of any information obtained from this web site.Best viewed using Mozilla Firefox 3 or IE 7 with resolution 1024 x 768.

Design of Modular Fixture for CNC Machining Center

MOHD ZUL AKMAL BIN ZAINAL ABIDIN, MOHD ZUL AKMAL (2011) Design of Modular Fixture for CNC Machining Center. Universiti Teknologi Petronas, Sri Iskandar, Tronoh, Perak. (Unpublished)

[img]
Preview
PDF
Download (263Kb) | Preview
[img]
Preview
PDF
Download (2613Kb) | Preview

Abstract

Recent practice to clamp workpiece for Mazak Variaxis 630 5x II is impractical since different clamping component or fixture is 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 is to be design to clamp variable shapes and dimensions of the workpiece using the same fixture. To accomplish such criteria, a fixture with higher flexibility is needed where modular fixture suits with this kind of situation. Modular fixture is a workholding system which uses series of equipment like locators, supports, clamps, risers and other available equipment that can be attached to the fixture table. Modular fixture has high flexibility since the equipments can be positioned according to the shape and dimension of the workpiece. The first step in designing a fixture is to determine the shape and dimensions of the workpiece. Then, the external forces need to be calculated where the cutting force and cutting torque are to be determine. After external forces are evaluated, the planning to position the equipment such as locator, support and clamps are performed. This is important elements in modular fixture are the layout planning of the modular equipment to ensure the workpiece is fully constraint when subjected to external forces such as 3-2-1 locating method. After fixture planning is done, the design concept is generated by using several methods such as conceptual decomposition, functional decomposition, and morphological chart and lastly Pugh’s concept selection to select the best and practical concept. Then, the design is analyzed especially the clamping force of the clamps. Material selection process is performed after the analysis of the design is done. Next, manufacturing process is planned using the selected material and the dimensional tolerances of each part of the fixture. Then the final result is the detail design of each part is performed.

Item Type: Final Year Project
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 5 not found.
Date Deposited: 21 May 2012 11:48
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/2421

Actions (login required)

View Item View Item

Document Downloads

More statistics for this item...