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Somawardi Somawardi
Politeknik Manufaktur Babel
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Journal : Prosiding Seminar Nasional Inovasi Teknologi Terapan

 1 
PENGARUH PENAMBAHAN SERBUK KARBON, ANTRASIT, DAN ARANG KAYU TERHADAP KEKERASAN BAJA AMUTIT DALAM PROSES PERLAKUAN PANAS DENGAN MEDIA PENDINGIN AIR, AIR LAUT, AIR ES DAN OLI Anggi Leonardo; Somawardi Somawardi; Yuliyanto Yuliyanto
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 1 (2021): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

In the industrial world has many complex problems about metals, therefore there needs to be a variety of heat treatment on metals in order to obtain the desired product. Therefore, in this study was conducted to obtain data on the effect of heat treatment on the hardness value and micro structure of Amutit steel and the influence of hardening process with three types of enhancing media namely carbon powder, anthracite, and wood charcoal with four variations of cooling media namely Ordinary Water, Sea Water, Ice Water and Oil. With this research is also expected to be useful in the manufacturing industry. The purpose of the study was to obtain optimum hardness due to the process of heat treatment and rapid cooling. Steel material amutit K-460 / AISI 01 is included in the classification of steel tools used in the manufacturing industry to help the production process such as cutting tools and as a mold material for plastic materials. Based on the results of the research that has been done, it can be concluded that Baja amutit or AISI 01 has a hardness of 16.3 HRC without treatment. The hardness of this amutit steel is able to be increased through heat treatment with rapid cooling. Heat treatment done with the addition of activated carbon media is harder in comparison with the addition of Anthracite media and wood charcoal media. The highest hardness is influenced by the form or dimension of activated carbon that is smoother than other media, where the smoother or smaller the dimensions of the enhancer material, the faster the diffusion process occurs. Where the average hardness for the addition of activated carbon media is Sea Water (64.13), Plain Water (63.46), Oil (63.83), and Ice Water (66.2) with HRC units, As for anthracite media, namely Sea Water (58.26), Plain Water (54.76), Oil (51.8), and Ice Water (55.8) with units of HRC and Wood Charcoal media of Sea Water (58.33), Plain Water (51.83), Oil (45.8), and Ice Water (58.8) with units of HRC.
RANCANG BANGUN MESIN PEMISAH BERONDOL SAWIT Hasan, Muhammad; Yulianto, Ferisa; Anggraini, Asty; Erwansyah; Somawardi
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 4 (2024): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

Endmill cutting edges are one of the many cutting tools found in machining processes. Apart from that, endmill are blades made of highspeed metal (HSS), cobalt and tungsten carbide. Endmills often function as a medium for making holes, profiling, contouring, slotting, counterboring, drilling, reaming and faching. In endmill sharpening, we often still sharpen manually. One of which is found in the lotus and bongman workshops. The drawback that results from this manual sharpening system is that it is limited by time. Uniformity of cutting angles, and physical injuries experienced by the endmill and the operator who carries it out. With this, we got the results of the design of an endmill cutting machine with a drive system using an electric motor with a specification of 0.5hp with an rpm of 2760. For the corner sharpening system using a shaft sleeve connected to a drill chuck and using a groove direction indicator, the movement of the division is shown in a sliding movement with 1 line calculated as 1mm offeed. On the findings on the design of an endmill cutting edge sharpening machine.
MODIFIKASI MESIN PENGGILING IKAN Bilal Pratama, Muhammad; Sahril, Sahril; Sabila Rizky, Putra Pratama; Somawardi, Somawardi; Ramadhani Harahap, Dedy
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 5 (2025): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

Along with the development of the era, there have been many fish floss, kricu, kretek manufacturers that have used machines. However, there are still many machines that use combustion engines, which make workers uncomfortable because the engine is very wasteful of fuel and pollutes the air. And here the author wants to modify the wasteful and polluting combustion engine with an electric motor that is safe and does not pollute pollution. The implementation method used in making this final project is with the stages of the implementation process in the form of a flowchart including problem identification, data collection through surveys and literature studies, working drawings, machine manufacturing, machine assembly and testing. Based on the results obtained, a fish grinder machine uses a 6.5 HP electric motor with 3600 Rpm as the drive system. The transmission system used in this machine is a pulley and V-belt, and uses a horizontal system with a screw as a dough crusher. From the results of the machine test without load, all components in the animal feed crusher machine function properly. The machine test with a load shows that this machine is capable of making feed with a capacity of 55 kg / hour. This machine can be a solution for employees to overcome difficulties in the manual grinding process, as well as increase efficiency and productivity in the dough.
Co-Authors Abriansyah, Fadhlurrohman Akbar Rafsanjani, Alfarobbi Al Ghifari , M Ghazi Anggi Leonardo Anggraini, Asty Arlingga, Alfian Siswara Bilal Pratama, Muhammad ERVAN AGUSTIAN Erwansyah Erwansyah Hakim, Zikrul Muhammad Hasan Muhammad Subhan Muhammad Subhan Ramadhani Harahap, Dedy Rusdi, Ahamad Sabila Rizky, Putra Pratama Sahril Sahril Sembiring, Rinawati Solly Aryza Somawardi Somawardi Sugianto Sugianto - Sugianto Sugianto Sugiyarto Sugiyarto Sukanto Sukanto Yulianto, Ferisa Yuliyanto Yuliyanto Yuliyanto