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All Journal Mesin SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Turbo : Jurnal Program Studi Teknik Mesin Machine : Jurnal Teknik Mesin Jurnal Abdi Insani
Suhdi, Suhdi
Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung
Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering

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ANALISA KEKUATAN MEKANIK KOMPOSIT SERAT SABUT KELAPA (COCOS NUCIFERA) UNTUK PEMBUATAN PANEL PANJAT TEBING SESUAI STANDAR BSAPI Suhdi, Suhdi S.S.T., M.T; Rosa, firlya
Mesin Vol 2, No 1 (2016): Jurnal Mesin
Publisher : Mesin

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Abstract

Composite is a material made from a combination of two or more materials to produce composite materials that have mechanicals properties and the different characteristics of the constituent material. Composit material used is synthetic composite is a composite that uses carbon fiber as a reinforcing material for composite fiberglass. Rock climbing is part of rock climbing equipment are usually made of fiberglass and multiplex where the requirements and standard of rock climbing panel maker have been determined by BSAPI. Manufacture of panels of rock climbing is done by using coconut coir fiber (cocos nucifera) as reinforcement fibers that have been immersion in 5% NaOH for 2 hours. Manufacture of panels of rock climbing using hand lay up, the ratio of resin and catalyst is 1:100, the ratio talk and resin 1:1, the dimensions of the specimen are made using the standard ASTM D638 or tensile testing and ASTM D790 for testing bending BSAPI standard. The results obtained from testing the tensile and bending test is tensile strength 13,034 MPa tensile modulus of elasticity 4359,322 MPa, flexural str gth 24,515 MPa flexural modulus of elasticity 3649,322 MPa. When see from the result from the results of the research panel climbing cococnut fiber is the mechanical strength of the rock climbing fiber panel coconut coil panel has not yet reached the mechanical strength of rock climbing that has been standardized by BSAPI.Key word :Composit , Coconut Fiber , Panel of Rock Clim
ANALISA HASIL PENGELASAN KAKI PULSATOR PENGGERAK JIG YUBA KK SINGKEP UNTUK MENDAPATKAN KEKUATAN KONSTRUKSI OPTIMA Rodiawan, Rodiawan; Suhdi, Suhdi S.S.T., M.T
Mesin Vol 2, No 1 (2016): Jurnal Mesin
Publisher : Mesin

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Abstract

Pulsator is one tool driving jig used PT. Timah Tbk in the process of separation of tin ores and minerals Downstream based differences in specific gravity (SG). Damage that occurs in the pulsator especially in the legs, can be caused by high vibration caused jig continuously during operation so as to make the bolt fastener will eventually become worn. Process improvements made PT. Timah (Persero) Tbk to damage pulsator foot is by means of welding, the connecting leg pulsator damaged (broken) with cast or plate material. Given the importance of the pulsator for tin ore separation process, we conducted a study of the results of the pulsator legs welded using electrodes AWS A5.15 cin-1, cin-cin-2 and 3 used PT. Timah (Persero) Tbk. The aim of this study is to find the right electrode is used for welding process that results weld toe pulsator can provide optimum strength welded construction. The research method is by way of experiment by comparing the electrode cin-1, cin-2 and cin-3 brand Nikko Steel against the welding process using the foot pulsator pulsator and plate material as the connection. After welding is done then analyze the results of the pulsator weld toe with the review of test results toughness, hardness and microstructure of welds. The test results obtained material cin-3 has a value of hardness and toughness that is higher than the material cin-1 and cin-2, with a value of 109 HRB hardness and toughness value of 6.53 joules/mm². The high hardness and toughtness of cin-3 compared with cin1 and cin-2 when showed from the microstructure of the material is cin-3 contained a very hard.Key words : Pulsator, cast iron, welding, Elektrode AWS A5.15
Co-Authors Anggraeni Yunita Firlya Rosa Maya Yusnita Mukhlas Isnadi Rodiawan, Rodiawan Rulyanti Susi Wardhani Sandra Mardhika Saparin, Saparin Suhdi Suhdi Yudi Setiawan