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Journal : Prosiding Seminar Nasional Inovasi Teknologi Terapan

PENGARUH VARIASI FRAKSI VOLUME DAN LAMA PERLAKUAN NAOH PADA KOMPSIT BERPENGUAT SERAT TEBU DENGAN MATRIKS POLYESTER TERHADAP KEKUATAN TARIK DAN IMPACT sayyid osama; Masdani Masdani; Erwansyah Erwansyah
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

Material development is expected to increase efficiency in the field of engineering, judging from the current good material is a material that meets several main standards such as composites. Composite is a material consisting of a mixture of two or more main elements, and composites have a light weight, high strength, corrosion resistance and cheaper price. Presearch aims to find out the effect of variations in volume fraction and length of difference in immersion ofsugarcane fiber using NaOH solution against tensile strength and impact, so that it can be used as potential information about fiber. Sugarcane that can produce a new quality material. The study used variations in volume fractions of 10%, 15% and 20% as well as the length of immersion using NaOH for 30, 60 and 90 minutes. From the tests that have been done, the highest average tensile test value is in the volume fraction of 15% and the length of NaOH treatment of 60 minutes is 36.73MPa and the lowest average value is in the volume fraction of 20% and the length of NaOH treatment is 90 minutes by 21.16 MPa. The maximum average value on the impact test is at a volume fraction of 20% and the length of naOH treatment of 60 minutes is 0.07290 joules / mm², and the average minimum value is in the volume fraction of 10% and the length of naOH treatment is 90 minutes by 0.02849 joules / mm².
PENGARUH VARIASI PARAMETER TERHADAP MATERIAL REMOVAL RATE DAN KEKASARAN PERMUKAAN STAINLESS STEEL 304 PADA PROSES CNC MILLING Dimas putra utama; Eko Yudo; Erwansyah Erwansyah
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

Large material removal rate and minimal surface roughness are the desired objectives in the CNC MORI SEIKI MV40–m process with the right process parameters to obtain a large material removal rate response and minimal surface roughness. The parameters used are cut speed, nutritional depth and spindle speed. The experimental design used based on the response surface methodology method in the form of a behnken design box. The experiment was randomized as many as 3 replications to produce more optimal results. The results showed that for parameters that contribute greatly to material removal rate and surface roughness is cutting speed and depth of cut. To obtain a large material removal rate, the cut speed is set at 143.28mm/min and the depth of cut is set at 0.25mm with a yield of 4.694mm3/minute. And to get the minimal surface roughness value, the cut speed is 118.05mm/min and the depth of cut is 0.15mm with a yield of 0.964 μm.
RANCANG BANGUN MESIN PENGIRIS KACANG TANAH UNTUK TOPPING PEYEK Angga Triatmaja; Muhammad Darmawan; Talsa Fani; Idiar Idiar; Erwansyah Erwansyah
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

Peyek is one of the typical Javanese snacks made from rice flour dough made from peanuts and other ingredients. The results of a survey that was carried out at Mr. Cahyo's residence were slicing 3 kg of peanuts per three days which was carried out with two slicing processes to obtain small slices. The obstacle faced by Mr. Cahyo is the slicing of peanuts which still uses manual tools from wood, where on the big day Mr. Cahyo requires 100 kg of peanuts to be sliced, so it takes a lot of time to finish. The purpose of the design of this peanut slicing machine is to produce thick slices with a size of 3-5 mm in one slicing process. The stages of implementing this final project consist of stages of data collection, planning, calculation analysis, manufacturing process, assembly process, and conducting trials. The result of the design of this machine is that the dimensions of the machine are 300×300×405 mm, and from the trial of this peanut slicing machine, the results are 3-5 mm thick slices, and the data obtained for slicing 500 grams of peanuts takes about 1 minute.