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All Journal Info-Teknik Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang
Sudjatmiko Sudjatmiko, Sudjatmiko
Unknown Affiliation
Humanities Engineering

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PENGARUH RADIUS POJOK TERHADAP KEKASARAN PERMUKAAN PADA PRODUKSI SILINDERIS AA-6061 MENGGUNAKAN PROSES BUBUT Sudjatmiko, Sudjatmiko; Darto, Darto; Rusdijanto, Rusdijanto
INFO-TEKNIK Vol 17, No 1 (2016): INFOTEKNIK Vol. 17 No. 1 2016
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v17i1.1261

Abstract

Research machining with turning process, carried out in 6061 AA- workpiece material, using the HSS has a standard geometry. The problem is the corner radius (RCB), spindle rotation (n), the motion eat (f) and the cutting depth (a) constant to produce lathe AA-6061 with the desired surface and is capable of producing a high production capacity. The regression model can describe the relationship between the combination of cutting parameters and corner radius produces minimum surface roughness. Round spindle is a dominant effect on the surface roughness, followed by motion meal, corner radius (RCB). By using Response Surface Methodology (RSM), the alleged best regression model for surface roughness (SR) at 95% confidence level at 900 rpm spindle rotation, motion eat 115 mm / put and corner radius 1.25 mm is : 0,14x2x3. Results obtained by iterating the main influence on the conditions of rotation of 950 rpm, 90 mm motion eat / put and corner radius 1.50 mm produces the value of surface roughness( SR) 0,360 µm.
Teknologi Desain Alat Pencelupan Pewarnaan di UKM Batik Dewandaru di Kecamatan Wonosari Kabupaten Malang Qurrata, Vika Annisa; Yusida, Ermita; Sudjatmiko, Sudjatmiko; Fajar, Lustina
Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Vol 5, No 3 (2020): November 2020
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/abdimas.v5i3.4977

Abstract

Batik Tulis Dewandaru UKM only does batik coloring. The method is done by dipping the batik into a tub and then shaking it by the operator, causing an awkward and less functional posture. Based on the above problems, the Community Service team provided a solution to implement dyeing and fixation technology. The first part is an oil drum made from Galvanized Steel Sheets JIS G3302 SGCC with a thickness of 1.8 mm, a sufficient 20 liters volume. It is equipped with a stainless steel pipe roller SS 304. The second part is a frame made of angled iron (L40x40x3), 50x50x1,25 hallow iron. , frame dimensions 1940 mm (W) x 660 mm (W) x 1600 mm (H). The third part of the fabric support pipe with a total of 4 (cross), is made of SS 304 stainless steel pipe material, 1870 mm long. The fourth part of the player, made of SS 304 stainless steel pipe material, 325 mm long, doubles as a media to rotate the cloth and drain it. The tool, which weighs 75 kg, makes the dyeing process shorter, which is 11 minutes. With the new tools, crafters can dye up to 35 fabrics to produce more fabric with perfect coloring.DOI: https://doi.org/10.26905/abdimas.v5i3.4977 
Co-Authors Darto Darto Ermita Yusida Fajar, Lustina Qurrata, Vika Annisa Rusdijanto Rusdijanto, Rusdijanto