PENGEMBANGAN DESAIN KOMPONEN MEKANIKAL DARI TRANSDUSER PENGUKUR TORSI STATIS BERBASIS LOAD CELL TIPE BALOK GANDA

AULDI, M. WILLY and Nasution, Jimmy Desidawansyah (2018) PENGEMBANGAN DESAIN KOMPONEN MEKANIKAL DARI TRANSDUSER PENGUKUR TORSI STATIS BERBASIS LOAD CELL TIPE BALOK GANDA. Undergraduate thesis, Sriwijaya University.

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Abstract

The mechanical properties of soft materials can be obtained, both from static testing (tensile test, compression, and bending tests) and from dynamic testing. Dynamic testing aims to determine the fatigue and endurance properties of the test material. The complexity in a fatigue test is caused by a multi-axial and dynamic loading mode. For the purposes of fatigue testing due to dynamic torque loads a sensor or transducer force and torque are usually required to play a role in measuring the load received by the test material. In this sensor or transducer there are several load cells that can convert electrical input signals into electrical output signals in response to the mechanical load given. Many commercial torque transducer products are marketed by several vendors, but the price is relatively expensive. In the previous study, a static torque sensor prototype with one load cell was realized and tested in stages to determine the performance of the sensor, in measuring the torque given. The calibration results and testing of the torque sensor are in accordance with the design goals, but the repeatability (repeatability) of the sensor still shows a joint error in the design. After being observed visually there are weaknesses in the sensor prototype which is located in the design of the mechanical component of the sensor which consists of home components, bracket or load cell holder, bolt and nut connection type, and so on. This mechanical error occurred and increased when repeated torsional testing was carried out on the sensor prototype caused by loosening of several bolt and nut connections and the design of bracket / mounting load cells that were less rigid. This research was conducted with the aim of focusing on developing and refining the design of a torque transducer that can measure static torque by applying 2 unit load cells. The main objective is to overcome weaknesses or shortcomings, especially in the design of mechanical components from the previous prototype. The results of this study are expected to be a contribution in the field of science and technology and applied technology, by prioritizing the design of torque transducers that are low cost, easy to maintain, and can be applied in measuring the output torque of the test material, such as soft materials or biomaterials that respond to the given torque (input). In this study, the prototype can be declared successful. It can be seen from the second graph test of sensor testing from torque where the torque value of the sensor will increase constantly which is directly proportional to the weight where there is an increase in readable torque on the sensor at a weight of 0.4 kg up to 1 kg and a torque value of 10.92 kg. mm up to 40.21 kg. mm. The value obtained from the results of torque based on ballast force approaches the readable torque result from the sensor. The greater the weight value, the greater the torque read in the prototype. The greater the value of weight, the greater the value of Fcell.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Transducer, Torque, Load Cell, Sensor, Upper Plate, Bottom Plate, Mechanical Components
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ1-1570 Mechanical engineering and machinery
T Technology > TJ Mechanical engineering and machinery > TJ241-254.7 Machine construction (General) > TJ241.I59 Machine design--Congresses. Production engineering--Congresses
Divisions: Faculty of Engineering > 21201-Mechanical Engineering (S1)
Depositing User: Mrs Kharisma Afrianti
Date Deposited: 16 Aug 2019 03:54
Last Modified: 05 Oct 2019 15:13
URI: http://repository.unsri.ac.id/id/eprint/4433

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