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All Journal SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Manutech : Jurnal Teknologi Manufaktur Sprocket : Journal of Mechanical Engineering Prosiding Seminar Nasional Inovasi Teknologi Terapan
Arriyani, Yang Fitri
Politeknik Manufaktur Negeri Bangka Belitung
Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Performa Mesin Pencacah Pelepah Kelapa Sawit dengan Sistem Rotary Yang Fitri Arriyani; Idiar Idiar; Subkhan Subkhan; Shanty Dwi Krishnaningsih
Manutech : Jurnal Teknologi Manufaktur Vol. 13 No. 02 (2021): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (732 KB) | DOI: 10.33504/manutech.v13i02.187

Abstract

The utilization of palm frond waste can be processed as animal feed, compost, making briquettes, and basic materials for composite panels. The utilization of palm oil frond waste for various purposes is processed by chopping it into small chunks. The chopping process using a chopping machine makes it easy for farmers and speeds up the chopping time. Several studies have been carried out on the chopping process of palm leaf midribs using different motors and various models of cutting blades, varying motor power, and motor rotation speed in order to obtain the optimal engine capacity. The design method used in the manufacture of the machine is the Pahl Beitz method, namely planning, designing product concepts, designing shapes, and designing details. The parameters observed and measured were the effective capacity of the machine, the rendemen of the chopping, and the length of the chopping results. The trial was carried out three times by chopping the fronds each weighing 5 kg. The test results of machine showed that the average effective capacity of the machine was 244.06 kg / hour so that it was included in the class A category. The average chopping rendemen on the machine was 97% and the average size was count ? 50 mm is 89.5% and has met the requirements of SNI 7580: 2010.
Mekanisasi Pencetak Kue Kacang Yang Fitri Arriyani; Husman Husman; Rio Ardiansyah; Vidian Suryani
Manutech : Jurnal Teknologi Manufaktur Vol. 10 No. 02 (2018): Manutech : Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1351.163 KB) | DOI: 10.33504/manutech.v10i02.73

Abstract

Peanut cake is one of the typical Indonesian pastries which includes the most popular cakes by Indonesian people including the people of the Province of Bangka Belitung Islands. The process of processing peanut cakes through several stages, namely the processing of peanuts, the printing of bean cake dough. The current method of printing peanut cakes is still manually using one by one as a tool to print the bean cake. The purpose of this study is to design and make a bean cake printing tool that is capable of printing 20 bean cakes in one process. The stages in making this bean cake printing device start from problem identification, planning, designing, tool making, assembling, and testing. Based on the results of the trials that have been carried out, the tool is capable of printing 20 prints in a single process and the dough is not attached to the mold.
Studi Eksperimen Pengaruh Variasi Kecepatan Potong dan Kedalaman Pemotongan Terhadap Kekasaran Permukaan Benda Kerja Hasil Pembubutan Material Baja ST 41 Menggunakan Pahat HSS Ardyan -; Erwansyah -; Yang Fitri Arriyani
SPROCKET JOURNAL OF MECHANICAL ENGINEERING Vol 3 No 1 (2021): Edisi Agustus 2021
Publisher : Program Studi Teknik Mesin, Universitas HKBP Nommensen, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (649.342 KB) | DOI: 10.36655/sprocket.v3i1.566

Abstract

The benchmark for the results of the machining process can be seen from the results of the products, one of which is the level of surface smoothness. The purpose of this experimental research is to find out how much cutting speed (Vc) and depth of cutting produce a workpiece with the smoothest level of surface roughness for the turning process carried out by students at the Bangka Belitung State Manufacturing Polytechnic Workshop. This research is using experimental method. The cutting speeds (Vc) used were 23 m/min, 24 m/min, 25 m/min, the cutting depths used were 0.5 mm, 0.8 mm, and 1.0 mm and the feeding speed was set at 0.040 mm/rev. The results showed that the best turning results using a cutting speed (Vc) of 23 m/min was using a cutting depth of 0.5 mm with a roughness value (Ra) of 1.372 m, using a cutting speed (Vc) of 24 m/min using a depth of cut. 0.5 mm with a roughness value (Ra) of 1.189 m and using a cutting speed (Vc) of 25 m/min using a depth of 0.5 mm with a surface roughness value (Ra) of 3.14 m. The lowest value for the level of surface roughness of the turning process was obtained using a cutting speed (Vc) of 24 m/min with a depth of 0.5 mm with a surface roughness value (Ra) of 1.189 m.
UNJUK KERJA MESIN PENCACAH PELEPAH KELAPA SAWIT DENGAN SISTEM ROTARY Yang Fitri Arriyani; Idiar Idiar; Subkhan Subkhan; Shanty Dwi Krishnaningsih
SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Vol 15, No 2 (2021): SINTEK JURNAL
Publisher : University of Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/sintek.15.2.130-135

Abstract

Pemanfaatan limbah pelepah sawit dapat diolah sebagai pakan ternak, kompos, pembuatan briket, dan bahan dasar panel komposit. Pemanfaatan limbah pelepah kelapa sawit untuk berbagai tujuan tersebut diproses dengan cara mencacahnya menjadi cacahan berukuran kecil. Proses pencacahan dengan menggunakan mesin pencacah memberikan kemudahan bagi petani dan mempercepat waktu pencacahan. Beberapa penelitian telah dilakukan pada proses pencacahan pelepah daun kelapa sawit  dengan menggunakan motor penggerak yang berbeda-beda dan berbagai model pisau potong, daya motor, serta kecepatan putaran motor yang bervariasi dengan tujuan untuk mendapatkan kapasitas efektif mesin yang optimal. Metode perancangan yang digunakan dalam pembuatan mesin adalah metode Pahl dan Beitz, yaitu perencanaan, perancangan konsep produk, perancangan bentuk, dan perancangan detail. Parameter yang diamati dan diukur pada mesin adalah kapasitas efektif mesin, rendemen cacahan, dan ukuran panjang hasil cacahan. Uji coba dilakukan sebanyak tiga kali pengulangan dengan mencacah pelepah yang ditimbang masing-masing seberat 5 kg. Hasil uji coba terhadap mesin pencacah pelepah kelapa sawit sistem rotary menunjukkan bahwa kapasitas efektif mesin rata-rata adalah sebesar 244,06 kg/jam sehingga termasuk dalam katergori kelas A. Rendemen cacahan rata-rata pada mesin adalah sebesar 97 % dan ukuran rata-rata cacahan ≤ 50 mm adalah sebesar 89,5 % dan telah memenuhi syarat SNI 7580: 2010.
PENGUJIAN KUAT TARIK PRODUK CETAK 3D PRINTING MATERIAL ABS Yogie Pranata; Hasdiansah Hasdiansah; Yang Fitri Arriyani
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 01 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

3D printing technology is an additive manufacturing technology (layer by layer) to create 3D objects with melted filament material. With this 3D printer, users can create a ready-to-use product. This research uses ABS (Acrylonitrile Butadiene Styrene) filament because mechanically this filament is very strong and has resistance to high temperatures. This study aims to find the highest tensile test value from 3D printer printing results with ABS filament specimens, for the factors used are infill layer thickness, wall printing speed, nozzle temperature, bed temperature, print speed, fan speed, infill density, wall thickness, top layers, bottom layers, infill overlap, retraction distance, and retraction speed. Printing is done with the Anycubic 4Max 3D printing machine, while the specimen size is 115 mm x 19 mm x 4 mm. This study uses the Taguchi L16 method with 13 factors and 2 levels printed as many as 48 specimens. So that the tensile test results were obtained with the highest value of 30.46 MPa in the second experiment the lowest with a value of 25.31 MPa in the third experiment. For the calculation of the S/N ratio, the most influential factor is the fan speed.
PENGARUH ARUS PENGELASAN TERHADAP KEKUATAN IMPAK DAN KEKERASAN BAJA ST.37 LAS SMAW DENGAN ELEKTRODA E7016 DAN E308 MUCHLIS KADAFI; Nanda Pranandita; Yang Fitri Arriyani
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 02 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

The quality of the welding joint is important in welding. Welding current is one of the factors that affect the quality of the connection. This study aims to determine the effect of SMAW welding current on the impact strength and hardness of ST.37 steel. The variables used in this study are the current variations of 80 A, 100 A and 125 A. The method used is experimental. Based on the impact test data, the 80 A current variation obtained an average impact energy of 193.861 Joules, while the average impact value was 2.423 Joule/mm2. With a current variation of 100 A, the average impact energy is 203.918 Joules and the average impact value is 2.548 Joule/mm2. The current variation of 125 A obtained an impact energy of 203.918 Joules and an impact value of 2,469 Joule/mm2. The 80 A current variation has the lowest average impact value and the 100 A current variation has the highest average impact value. The results of the hardness test for current variations of 80 A, 100 A, 125 A, obtained the highest average hardness value occurs at a current variation of 80 A with a value of 51.00 , while the lowest average hardness value occurs at a current variation of 125 A with a value of 50.279 . Based on the research data, it can be concluded that the variation of the welding current affects the impact strength and hardness.
RANCANG BANGUN MESIN PENEPUNG UMBI KELADI BENENG DENGAN SISTEM MONO DISK Aqila Zanjabila; Doni; Dyas Ryfkiansyah; Robert Napitupulu; Yang Fitri Arriyani
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 02 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

The process of flouring the tubers of taro beneng by Mr. Arizal is still done manually. The dried tubers are pounded using a pestle, then after the results are smooth, filtered using a special filter and if the results are still rough, the mashing process is carried out again. This flouring process takes time and is repeated for a relatively long time. This study aims to design and build a flour milling machine that can produce flour with a mesh fineness level of 0.5 mm and a machine capable of producing flour with a capacity of 10kg/hour. The research method used is the VDI 2222 method, starting with the stages of planning, conceptualizing, designing and completing. Furthermore, the process of making and assembling machines at the Polman Negeri Babel workshop was carried out. Then testing and analysis were carried out to determine the extent to which the results of the design and manufacture of the machine were carried out. Based on the design results, the driving motor uses an electric motor 1 HP 1400 RPM with a shaft diameter of 35mm. The transmission system uses a pulley and belt, the penepung system uses a mono disk system. Based on the test results, the average machine is able to flour beneng taro tubers with a capacity of 11.2 kg/hour with 0.5mm mesh fineness.
RANCANG BANGUN MESIN PENGUPAS SABUT KELAPA Sastra Setiawan; Ego fernando; Khadadad Azizi Costacurta; Yang Fitri Arriyani; Masdani Masdani
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 02 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

Coconut fruit has many benefits, ranging from food, drinks, medicine to cosmetics. Almost all parts can be used such as, roots, wood, coconut leaves, shells, young coconut water and coir. Coir is used for brooms and crafts such as flower pots, hangers, bags and others. The process of stripping coconut husk in Bangka Belitung still uses a lot of traditional tools such as: machetes / machetes, large scissors and crowbars, so the process of stripping coconut husk requires a lot of energy, requires a long time, requires special skills and the risk of work accidents. So, in this final project, a coconut husk peeling machine was designed and made by prioritizing work safety, ergonomics and fast in peeling coconut husk. This coconut husk peeling machine uses 2 rollers in the form of a cylinder with 16 plates attached to the peeling pipe, 12 flat plates and 4 jagged plates. The two rollers rotate in the opposite direction aiming to tear the coconut husk. The engine is driven by a 6.5 PK gasoline combustion motor with a maximum rotational speed of 3600 RPM passed by a sprocket chain to the gearbox input with a sprocket ratio of 1:3 rotational speed and the power coming out of the gearbox 1:40, the power coming out of the gearbox output is passed using a chain transmission and sprocket connected by a rolling roller. This machine is able to peel coconut husk with the longest time of 23 seconds and the fastest time of 13 seconds.
RANCANG BANGUN ALAT PENGIRIS PEMPEK MENJADI KEMPLANG Sabina Sabina; Suwito Suwito; Yang Fitri Arriyani; Subkhan Subkhan
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 02 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

This final project makes pempek which is the basic material for making kemplang as the object of research. Based on the results of a survey conducted in Kampung Pasir until now pempek slicing is still done manually using a kitchen knife which requires slicing time of about 1 hour for slices weighing ±4.3 kg or 1 minute for slices of 71.7 grams. The purpose of this final project is to design a pempek slicer as many as 4 butts measuring 25 cm long with a diameter of 4 cm and a thickness of 2-3 mm that can be sliced in one slicing process. The design of the pempek slicer into kemplang refers to the VDI 2222 design method. From the experiment, it was found that the pempek slices were uniform in thickness and the tool could slice the pempek within 10 kg/hour.
Desain dan Fabrikasi Mesin Pengupas Kelapa Sistem Pengupas Bergigi Yang Fitri Arriyani; Masdani Masdani; Sastra Setiawan; Ego Fernando; Khodad Azizi Costacurta
Manutech : Jurnal Teknologi Manufaktur Vol. 15 No. 01 (2023): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v15i01.257

Abstract

One part of the coconut that can be utilized and has economic value is the coconut husk. The process of peeling coconut coir must be carried out by someone who has certain skills and this process has a fairly high risk of work accidents. The purpose of this study was to design a coconut coir peeling machine to make it easier for workers to strip and to analyze the costs required to operate the machine. This machine can help the process of peeling coconut coir so that the coir can be separated from the coconut shell, can speed up the stripping time, and make the job of peeling coconut coir easier. Making the machine design begins with making an alternative concept for the stripping system, selecting alternative concepts, making a complete design, and the machine manufacturing process. The selection of alternative design concepts is assessed from the economic aspect and the number of components. Parts of the stripping system are designed with teeth so that the coir can be clamped on the toothed shaft and does not experience slip so as to speed up the stripping process. The coconut coir peeling machine consists of 47 component parts with engine dimensions of 960 mm x 400 mm x 1136 mm and uses a 6.5 HP motor with gasoline. The average capacity of the coir peeling machine is 216 pieces/hour. The estimated fixed cost of using the machine is IDR 2,449,440/year, variable costs are IDR 20,855/hour, basic costs are IDR 101.31/piece, and break even points are 6,071.25 pieces/year.
Co-Authors Aqila Zanjabila Ardyan - Doni Dyas Ryfkiansyah Ego Fernando Ego fernando Erwansyah - Hasdiansah, Hasdiansah Husman Husman Idiar Idiar Khadadad Azizi Costacurta Khodad Azizi Costacurta Masdani Masdani MUCHLIS KADAFI Nanda Pranandita Rio Ardiansyah Robert Napitupulu Sabina Sabina Sastra Setiawan Sastra Setiawan Shanty Dwi Krishnaningsih Subkhan Subkhan SUWITO SUWITO Vidian Suryani Yogie Pranata