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All Journal JURNAL LENTERA : Kajian Keagamaan, Keilmuan dan Teknologi MEDIA BINA ILMIAH Jurnal Teknik Mesin Matrik : Jurnal Manajemen dan Teknik Industri Produksi Jurnal Teknologi dan Manajemen Journal of Engineering, Electrical and Informatics (JEEI)
Togik Hidayat
Universitas Nahdlatul Ulama Sunan Giri
Religion Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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STUDI PENGARUH GAS FLOW RATE TERHADAP KEKUATAN TARIK, KEKERASAN DAN CACAT PADA PENGELASAN MAG BAJA ASTM A 53 Aditya, Ziedan; Hidayat, Togik; Yuwita, Pelangi Eka
MEDIA BINA ILMIAH Vol 16, No 5: Desember 2021
Publisher : BINA PATRIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33758/mbi.v16i5.1584

Abstract

The selection of the type of welding is determined based on the type of steel, the tensile strength which is influenced by the carbon content, and the shielding gas used to minimize the occurrence of welding defects. The effect of large/small gas flowrate on Metal Active Gas (MAG) welding has an effect on the quality of welding results and welding defects. This study aims to determine the effect of gas flow rate MAG welding on tensile strength, hardness and welding defects in ASTM A53 steel. This research is a laboratory experimental study of variations in gas flow rate of MAG welding and then tested for tensile strength with a tensile tester, testing for hardness with a Rockwell harness test, testing for welding defects using a liquid penetrant test. Welding tensile strength based on the average value of the highest modulus of elasticity (E) is the specimen with MAG welding treatment with a gas flow rate variation of 25 liters/minute, which is 22.04 N/. The hardness value of the weld metal shows the highest average HRB value in MAG welding with a gas flow rate variation of 25 liters/minute which has an average value of 86.06 HRB. The metal hardness value in the Heat Affected Zone shows the highest average HRB value in MAG welding with a gas flow rate variation of 25 liters/minute which has an average value of 84.65 HRB, the hardness value in the base metal area shows the highest average value in MAG welding with a gas flow rate variation of 25 liters/minute which has an average value -average 82.92 HRB. The results of the welding defect test show that for all variations of the types of welding defects that arise are porosity, undercut, lack of penetration and spatter
Perbaikan Kualitas Mata Pisau Mesin Irat Bambu Dengan Proses Heat Treatment Melalui Baja Fasa Ganda Togik Hidayat; Teguh Raharja
Jurnal Teknik Mesin Vol 12 No 2 (2019): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Mata pisau mesin irat bambu berperan penting dalam menentukan kualitas produk industri kreatif bambu di desa Kebonagung Kecamatan Padangan Kabupaten Bojonegoro. Alat pemotong harus memiliki karakteristik menghasilkan kualitas pemotongan baik [9] . Kualitas pisau mesin irat bambu dapat dilihat dari hasil potongan dan life time. Faktor yang mengurangi kualitas dan life time mata pisau adalah gesekan dan panas. Cara meningkatkan kualitas dan life time dapat dilakukan dengan memperbaiki sifat mekanisnya. Perbaikan sifat mekanis dapat dilakukan melalui heat treatment, surface treatment, coating dan lain-lain [5]. Penelitian ini dilakukan dengan tujuan untuk meningkatkan kualitas mata pisau mesin irat bambu dengan mengetahui perubahan sifat mekanis melalui perubahan struktur mikro, nilai kekerasan optimal, dan kekuatan tarik maksimal. Penelitian dilakukan dengan metode eksperimen menggunakan analisis skala laboratorium. Proses heat treatment mata pisau irat bambu dilakukan pada temperatur 725°C dengan holding time 10 menit, 20 menit, 30 menit, proses tempering pada temperatur 600°C selama 20 menit. Hasil uji struktur mikro mata pisau dengan holding time 30 menit memiliki ukuran butir logam yang lebih halus dan merata. Nilai kekerasan tertinggi adalah 59,13 HRC pada mata pisau dengan holding time 30 menit. Nilai rata – rata modulus elastisitas tertinggi adalah pada specimen dengan holding time 20 menit yaitu 6,87 N/mm2.
PENGARUH FUNDAMENTAL RENANG TERHADAP HASIL BELAJAR KETERAMPILAN GERAK DASAR RENANG SISWA KELAS IV SD NEGERI MANTINGAN Mohammad Arif Eka Prastiya; Togik hidayat; Mohammad Fatoni
JURNAL LENTERA : Kajian Keagamaan, Keilmuan dan Teknologi Vol 16 No 2 (2017): September 2017
Publisher : LP2M STAI Miftahul 'Ula (STAIM) Nganjuk

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/lentera.v16i2.279

Abstract

Swimming is a water sport that requires qualified swimming fundamentals. students can do the desired swimming skills. In class IV Elementary School students must understand about the basics of swimming. A stage of development of spicomotor in class IV students starting at the age of 10 years is a continuation of the development of their thinking. This study uses an experiment with True Experimental Design with sampling techniques using pretest-posttest. From this study the results of the pre-test obtained from eleven students concluded that the level of basic swimming motion skills average percentage of eleven students was 95% and were in the high category. Based on the results of the post test on the eleven students it can be concluded that the average percentage of the six students is 25% and is in the low category. Then it can be concluded that researchers conduct research on skating skills and breathing techniques to help improve their skills.
OPTIMASI PRODUKSI TUNGGAK JATI MELALUI RANCANGAN TATA LETAK FASILITAS PRODUKSI DENGAN BANTUAN SOFTWARE EXPERT CHOICE 11 (STUDY KASUS CV. XYZ) togik hidayat; Muchammad Candra Cahyo utomo
Matrik : Jurnal Manajemen dan Teknik Industri Produksi Vol 20 No 2 (2020)
Publisher : Prodi Teknik Industri Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/matrik.v20i2.1062

Abstract

Proses pengolahan tunggak jati menjadi produk yang memiliki nilai guna memerlukan keterampilan dan penunjang fasilitas produksi. Masalah yang dialami dalam pengolahan tunggak jati di CV.XYZ adalah kurang optimalnya produksi yang disebabkan tata letak fasilitas produksi berupa kendala dalam material handling dan proses pekerjaan . Penelitian ini bertujuan untuk melakukan optimasi produksi tunggak jati melalui perbaikan tata letak fasilitas produksi di CV. XYZ. Tahapan penelitian ini terdiri dari pemetaan lantai produksi, pemetaan layout fasilitas produksi, penentuan lokasi melalui pendekatan Analytic Hierarchy Process (AHP) dengan bantuan Expert Choice 11. Hasil pendekatan Activity Relationship Chart (ARC) dan perhitungan Total Closeness Rating (TCR) serta hasil penentuan tata letak fasilitas produksi dengan software Expert Choice 11 untuk menunjukan urutan pengalokasian fasiliatas produksi secara berurutan yaitu oven, sawmill, perakitan I (laminasi), Perakitan I (jointing) perakitan II (finishing) perakitan II (packing) dan gudang. Penentuan oven pada awal kegiatan produksi tunggak jati dapat mempermudah material handling dengan hilangnya kandungan air, mengurangi potensi bahan baku rusak/ pecah atau berubah bentuk karena proses oven setelah dilakukan pemotongan degan sawmill sehingga mempermudah proses produksi karena CV.XYZ lebih mudah menentukan jumlah tenaga kerja dan jumlah produksi.
IMPROVING UNDERBONE MOTORCYLES IGNITION SYSTEM USING CDI PROGRAMMED BY CAMSHAFT DURATION ON A 4-STEP 125 CC MOTOR Galih Muji Tri Sutrisno; Togik Hidayat
Journal of Engineering, Electrical and Informatics Vol 3 No 2 (2023): Juni : Journal of Engineering, Electrical and Informatics
Publisher : Sekolah Tinggi Ilmu Ekonomi Trianandra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jeei.v3i2.1479

Abstract

This study aims to determine the engine performance characteristics of underbone motorcycles using Genuine CDI and CDI programmable, as well as the differences in engine performance characteristics of underbone motorcycles using Genuine CDI and CDI programmable. The investigation employed an experimental methodology. The subject of the research was a 125cc, 1-cylinder underbone motorcycles. The apparatus utilized for measuring power was a dynotest underbone motorcycles. Experiments conducted with underbone motorcycles in its standard factory configuration (no modifications). The results indicated that (1) Underbone motorcycles equipped with Genuine CDI produce the most power at 6542 RPM and the most torque at 5085 RPM. While the RPM after it was replaced with Programmable CDI was 8.2 at 6556 RPM with 10.33 lb-ft of torque at 4670 RPM, the maximum power was 8.2 at 6556 RPM. (2) There was a performance difference between Genuine CDI and CDI Programmable. 8,2 HP is the maximum power obtained in nearly all Programmable CDI variantion. By advancing the Programmable CDI Timing by 2 degrees, the maximum torque of 10,33Nm was obtained at 4,670 RPM.
Analisis Total Productive Maintenance Overall Equipment Effectiveness Moulding PMS Line Yudi Siswanto; Togik Hidayat; Dery Rahmat Setiya Budi
Jurnal Teknologi dan Manajemen Vol. 21 No. 2 (2023): JURNAL TEKNOLOGI DAN MANAJEMEN
Publisher : Politeknik STMI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52330/jtm.v21i2.127

Abstract

Proses produksi PT.XYZ mengalami masalah produktifitas yang dikarenakan kurang efektifnya penerapan Total Productive Maintenance (TPM). Overall Equipment Effectiveness (OEE) mesin meliputi availability, performance rate, quality rate adalah indikator dalam mengukur tigkat keberhasilan penerapan TPMuntuk menjamin dan meningkatkan  efektifitas dan produktifitas operasional mesin. Penerapan TPM bertujuan untuk menjaga performa mesin produksi dengan meminimalisir defect dan breakdown. Penelitian dalam studi kasus ini dilakukan untuk mengetahui nilai OEE mesin PMS Line, Analisis OEE mesin, dan menentukan langkah perbaikan. Penelitian terdiri dari kegiatan rekapitulasi data produktifitas mesin PMS Line, menetukan nilai OEE  dan analisis six big losses dalam menentukan tindakan perbaikan yang tepat untuk menjaga tingkat keandalan mesin PMS Line. Nilai OEE Moulding PMS Line PT. XYZ Bulan Januari - Oktober 2022 adalah Availability Rate 76,39 %, Performance Rate 5,60%, Quality Rate 99,95%  dan OEE 42,21%, Sedangkan nilai rata- rata OEE Six Big Losses adalah Breakdown Losses 23,10%, Idling and Minor Stoppages  Loss 1,27%, Reduced Speed Losses 0,48%,  Set Up and Adjustment Loss 0,07%, Deffect Losses 0,00%, Yield/ Scrap 0,00%. Faktor dominan Six Big Losses adalah pada Breakdown Losses dengan komulatif persentase sebab akibat 92,66 %. Perbaikan yang dapat dilakukan PT. XYZ meliputi factor Manusia/ Operator, Metode, Material, Mesin dan Lingkungan kerja.
Co-Authors Aditya, Ziedan Dery Rahmat Setiya Budi Eka Intan Kumala Putri Galih Muji Tri Sutrisno Mohammad Arif Eka Prastiya Muchammad Candra Cahyo utomo Pelangi Eka Yuwita Teguh Raharja Yudi Siswanto