Design of Jig for Coordinate Measuring Machine / Norasikin Hussin ...[et al.]

Hussin, Norasikin and Ibrahim, Dzullijah and Mohd Yahya, N. H. and Zulkkhiflee, Nor Izlan (2018) Design of Jig for Coordinate Measuring Machine / Norasikin Hussin ...[et al.]. Journal of Mechanical Engineering (JMechE), SI 5 (5). pp. 97-107. ISSN 18235514

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Abstract

This project is about the design of jig for Coordinate Measuring Machine (CMM) in metrology laboratory. The CMM is one of precision measuring devices for measuring the physical geometrical characteristics of the product. Measurements are defined by a measuring probe touch the surface of the product. Currently, the box and plasticine are needed as a vice because there is no special vise in CMM to hold, clamp and support the workpiece. The existing vice is not properly in the measurement process but its used for the workpiece with a thickness less than 40mm and measuring probe can touch the workpiece. Because of that, the objective of the design of jig for CMM is to improve the measurement process in order to replace the existing vice. In other words, the design of jig is to ensure the method of measuring process is the correct to obtain the accuracy of measurement. The function of this jig is to hold, support and clamp the workpiece. The conceptual design is used to choose the best design. Based on the feedback obtained from the survey and benchmark, three designs of the jig; design A, B, and C have been evaluated using conceptual selection. The design C is selected as new design since the evaluation result in screening method gave the highest net score. The new design of jig is drawn and analyzed using SolidWorks software. Aluminium and ABS plastics were selected as selection material for the jig. The fabrication of jig has been done with a conventional milling machine and 3D printing. As a result, the jig is suitable and acceptable to apply in engineering measurement because of the accuracy is ±0.01mm.

Metadata

Item Type: Article
Creators:
Creators
Email
Hussin, Norasikin
norasikin245@ppinang.uitm.edu.my
Ibrahim, Dzullijah
UNSPECIFIED
Mohd Yahya, N. H.
UNSPECIFIED
Zulkkhiflee, Nor Izlan
UNSPECIFIED
Subjects: T Technology > TJ Mechanical engineering and machinery > Machine design and drawing
T Technology > TJ Mechanical engineering and machinery > Machine construction (General)
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Mechanical Engineering
Journal or Publication Title: Journal of Mechanical Engineering (JMechE)
UiTM Journal Collections: UiTM Journal > Journal of Mechanical Engineering (JMechE)
ISSN: 18235514
Volume: SI 5
Number: 5
Page Range: pp. 97-107
Item ID: 40406
Uncontrolled Keywords: jig, design, coordinate measuring machine (CMM), measuring probe, conceptual design
URI: https://ir.uitm.edu.my/id/eprint/40406

ID Number

40406

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