LAB 3 Angle Measurement.docx - UNIVERSITI TEKNIKAL MALAYSIA...

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UNIVERSITI TEKNIKAL MALAYSIA MELAKA FTKMP LAB REPORT BMMP 2503 – MEASUREMENT & INSTRUMENTATION SEMESTER 2, SESSION 2018/2019 ANGLE MEASUREMENT COURSE : 1 BMMA NAME STUDENT ID SECTION AHMAD SYAKIR HAKIMI BIN BASRI B091810438 S1/1 MUHAMMAD HILMI BIN ZAINUDIN B091810265 S1/1 MUHAMMAD KHAIRULNAIM BIN PAUZI B091810013 S1/1 ROOHAKIMI BIN ROOSDI B091810396 S1/1 THARANEETHARAN A/L THAMBIRAJAH B091810476 S1/1
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DISEDIAKAN UNTUK: EN. KHAIRUL AMRI BIN TOFROWAIH ABSTRACT
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1.0 INTRODUCTION
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2.0 OBJECTIVE To verify measurement on bevel vernier protractor and optical comparator. To measure angle measurement by using bevel vernier protractor and optical comparator. To perform measurement system analysis by calculating Repeatability and Reproducibility. To demonstrate the proper method in using and taking care of instruments. 3.0 SCOPE In this experiment we are using standard angle block. The device that we used are bevel vernier protractor and optical comparator. The optical comparator that involves in this experiment are horizontal and vertical type.
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4.0 EQUIPMENT Measuring Instruments: 1 . Name : Optical Comparator Function : A device that applies the principles of optics for the inspection of manufactured parts. In a comparator, the magnified silhouette of a part is projected on a screen, and the dimensions and geometry of the part are measured against the prescribed limits. Range : 304.8 mm – 914.44 mm 2 . Name : Bevel Protector Function : The bevel protractor is used to establish and test angles to very close tolerances. It reads to 5 arcminutes (5′ or 112°) and can measure angles from 0° to 360°. The bevel protractor consists of a beam, a graduated dial and a blade which is connected to a swivel plate (with Vernier scale) by thumb nut and clamp. VERTICAL OPTICAL COMPARATOR HORIZONTAL OPTICAL COMPARATOR
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Materials: 1 . Name : Small Plate Function: sample that was measured using bevel protector. 2 Name : Big Plate Function: sample that was measured using bevel protector 3 Name : Big Screw Function: sample that was measured using optical comparator 4 Name : Small screw Function: sample that was measured using optical comparator.
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5.0 PROCEDURES Workpiece 1) Work pieces was given by the technician or lecturer: - a) Small plate b) Big Plate c) Small screw d) Big screw Preparation for data sheet and task planning . i. The measuring equipment need to be used for angular measurement was identified. a) Small and big plate angle block were measured using bevel protractor. b) The thread angle of small and big screw were measured using optical comparator. ii. Range method was started to determine percentage of GRR for the measurement system.
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Procedure for small plate and big plate 1 . i. Bevel protector was used to measure angle for small plate and big plate. The large clamp on the front protractor was unscrewed. i. This is for loosens the blade so that we can swivel it.
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