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Endi Sutikno
Jurusan Teknik Mesin Fakultas Teknik Universitas Brawijaya
Mechanical Engineering

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Pengaruh Variasi Jumlah Gigi Wheel terhadap Perbandingan Kontak serta Kecepatan Luncur Spesifik untuk Jumlah Gigi Pinion Minimum Sutikno, Endi
Jurnal Rekayasa Mesin Vol 5, No 3 (2014)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

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Abstract

At the point of contact with the pinion and wheel surface contour of each involut produce different tangential velocity direction and magnitude, consequently normal component as sliding velocity will be different as well so as to produce friction or glide. This study looked at the effect on the speed of specific sliding pinion and gear wheel on a pair with a standard tooth profile involut fulldepht the pressure angle  gear module m on the condition minimum number of theoretical pinion tooth N wheel tooth number variation N 2 . The implementation of simulation research using Excel. Maximum specific sliding speed pinion occur at the initial point of contact K 2 275 1 module m = 5mm, pressure angle  = 32 and number of teeth N 2 = 4 wheel drive conditions under which p  = -165,150 at the point of escape/retreat contact K 1 on the same parameters K2 p  = 0.5084. The specific slidding velocity maximum wheel occurs at the point of contact K K1 at the module off m = 1.5 mm, angle = 10   press and N 2 1 = number of teeth wheel drive 46 under the condition that w  = -119.808 minimum occur at the same parameters in the initial point of contact K K1 2 w  = 1.Keyword : wheel numbers teeth, pressure angle, contact ratio, slidding velocity, specific slidding velocity
Pengaruh Sudut Chamfer Dan Gaya Tekan Akhir Terhadap Kekuatan Tarik Dan Porositas Sambungan Las Gesek Pada Paduan Al-Mg-Si. Santoso, Eko Budi; Irawan, Yudy Surya; Sutikno, Endi
Jurnal Rekayasa Mesin Vol 3, No 1 (2012)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

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to aluminum properties that make difficulty to produced good well joints.To overcome this problem,in this study,chamfer angles were used on both contact surfaces of friction welding specimens. Used chamfer angles were 15 0,30 0 45 0, 60 0 and 75 0, variation of upset load were 157 kgf, 185 kgf and 213 kgf. Specimen were friction welded with rotational speed of 1600 rpm, compressive force of 123 kgf for 120 seconds. Then porosity testing and tensile strength testing were performed. Result showed that tensile strength of friction welding joint becomes higher with decreasing of chamfer angel and increasing of upset load. Specimen with chamfer 15 0 and upset load of 213 kgf has maximum tensile strength of 140,45 MPa. Specimen with chamfer angel 75 0 and upset loading of 213 kgf has the smallest porosity of 0,21 %. Keywords: tensile strength, porosity, friction welding, chamfer angle, upset load and Al-Mg-Si
Pengaruh Variasi Radius Lingkaran Singgung Dan Radius Lingkaran Dasar Cam (Nok) Simetris Terhadap Karakteristik Kinematik Gerak Roller Follower Sutikno, Endi; Sulistyo, Erwin; Anindito, Ariyo
Jurnal Rekayasa Mesin Vol 3, No 2 (2012)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

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The study looked at the kinematic analysis of mechanism design cam - follower roller symmetrical with simulations. After designing the geometry of the observed variable cam is cam base circle radius, radius circle tangent, the other constant. With mathematical equations to model the radial displacement, radial velocity, acceleration and jerk radial follower, then made subsequent mathematical tabulations of results generated graph of displacement, velocity, acceleration and jerk of the cam angle swivel. The result is the kinematics characteristic, its maximum on the radius of the circle tangent to the largest and smallest radius circle.Keywords: cam, follower, roller, base circle, the circle tangent, radial displacement, acceleration, jerk.
Effect of Input Angle, Dimension Ratio-Mechanism Link to the Output, Transmission Angle and Motion Characteristic Sutikno, Endi; Ariseno, Agustinus
Jurnal Rekayasa Mesin Vol 2, No 2 (2011)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

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In the previous study, the design of a four bar linkage mechanism had been analyzed by using a constant length dimension of link. The relationship between degree inputs to degree output was generated by using mathematic model of generator function. In this study, variation of length dimension of link was investigated to find the characteristic the output motion of four bar linkage mechanism. The input degree, ratio of link number 2 (R2), ratio of link number 3 (R3) and ratio of link number 4 (R4) is chosen as independent variable. It can be described by using output degree, transmission degree, coupler degree and possibility of the motion path. The result shows that the increasing rate of output degree number 4 on the R2 variation is larger than increasing rate of output degree number 4 on the variation of R3 and R4. Variation of R2 generated one working domain on the input degree number 2 to output degree number 4. The coupler degree on R2 variation produced a larger domain than it’s produced by R3 and R4 variation. In addition, the transmission degree for all control variables of R2, R3 and R4 obtain a polynomial curve tends to resemble as parabolic curve. For increasing of R3 and R4, the curve is transformed from two domains into one domain. Moreover, for increasing of R2, the curve is transformed in the opposite way.Keywords: lingkage, input angle, output angle, transmition angle, dimension ratio
Analisis Tegangan Akibat Pembebanan Statis pada Desain Carbody Tec Railbus dengan Metode Elemen Hingga Sutikno, Endi
Jurnal Rekayasa Mesin Vol 2, No 1 (2011)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

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Abstract

Railbus is one type of vehicle operated for a short distance. Although that operated on the rail, construction rail bus more likely to match construction with small size busses and passengers abit becouse the porpuse of use that speed is faster than regular train, railbus which has several different design of the produc of the PT KIA previusly requere the precence of the force to be know sequrity testing products to be produced, railbus should be able to accept the burden of both passenger as well as from its own weight, including load time of the coupling between the carriages.Research conducted at carbody TeC railbus in the three different loading cases, namely case 1, which stimulated loading occuring at the time railbus carbody TeC is in the push condition, case 2 represents the state loading on the carbody TeC railbus during compression on the other locomotive on the coupling process railbus done to connect with other locomotives, and case 3 which represents the state loading carbody TeC railbus when withdrawal of the oher locomotives when railbus not operated of a simulation, and the known distribution of the stress that occurs in TeC railbus carbody construction design on static loading distribution and the result of the stress that occurs in all three cases, ie the largest stress value in the first case occured in an area with a stress value frontpart 157,883Mpa, in the second case occured in an area frontpart with a stress value of 193,033Mpa, and the thirdcase, a stress of 140,615Mpa occurs in area crossbeam of the underframe. The third stress occurs in all three cases remained at the limit of material strength, so it can inferred TeC railbus carbody construction design is consider capable receiving a load that will be accepted railbus during operation.Keywords : Stress Analysis, Railbus, Finite Elemen Method
Co-Authors Agustinus Ariseno Ariyo Anindito Eko Budi Santoso Erwin Sulistyo Yudy Surya Irawan