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Agustinus Ariseno
Jurusan Teknik Mesin Fakultas Teknik Universitas Brawijaya
Mechanical Engineering

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Optimasi Dimensi Tebal Awal Pelat Pada Proses Pembengkokan Bentuk Jogged Flange Dengan Simulasi Tiga Dimensi Choiron, Moch. Agus; Ariseno, Agustinus; Prasetyo, Andika
Rekayasa Mesin Vol 3, No 3 (2012)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

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Abstract

One of the problem of bending process is the final product dimension that it is not agree with the expected results. To reduce trial and error of parametersdesign, designers can utilize computer simulations to predict parameter process virtually and more time-saving analysis. The aim of this study is determine the variations effect of initial blank material thickness to the flange flatness of the final product in the jogged flange process.In order to find the influence on the uneveness of the flange bend, the parameters of plate thickness, flange radius ratio, and flange length ratio are selected. Verification models were created to justify the trend data between modeling and the experimental results.From the result, the elevation difference on uneveness of the flange bendwas obtained. For initial blank material thickness dimensions, it can be seen that the minimum value of the uneveness defect can be obtained by using equal of plate area ratio. The observed increase of the flange radius could be attribute to decrease of uneveness of the flange bend. The increase of plate thickness, uneveness of the flange bend will be decrease.Keywords: initial blank material thickness, jogged flange, uneveness of the flange bend
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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Abstract

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
Co-Authors Andika Prasetyo Endi Sutikno Moch. Agus Choiron