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All Journal J@TI (TEKNIK INDUSTRI) Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik JURNAL ILMIAH AGRINECA Airlangga Journal of Innovation Management IJECS: Indonesian Journal of Empowerment and Community Services Indonesian Community Journal Journal Of Sustainability Perspectives Journal of Sustainability Perspectives Proceeding of International Conference Health, Science And Technology (ICOHETECH) Jurnal Rekayasa Proses dan Industri Terapan
Buwono, Ringgo Ismoyo
Universitas Duta Bangsa Surakarta
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology Public Health Social Sciences Other

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PRODUKTIVITAS PADI VARIETAS INPARI 33 DAN FAKTOR YANG MEMPENGARUHINYA DI KABUPATEN KARANGANYAR PROVINSI JAWA TENGAH Restie Novitaningrum; Ringgo Ismoyo Buwono; Wahyu Adhi Saputro
JURNAL ILMIAH AGRINECA Vol. 22 No. 1 (2022): JURNAL ILMIAH AGRINECA
Publisher : Fakultas Pertanian, Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/afp.v22i1.1640

Abstract

Central Java Province is one of the national food buffer provinces. Central Java province has good soil fertility so that the agricultural sector can become the leading sector in this province. One of the commodities cultivated in the Karanganyar Regency is rice with the Inpari 33 variety. This study aims to determine the analysis of the productivity of Inpari 33 rice in Karanganyar Regency and the production factors that affect the productivity of Inpari 33 rice varieties. This study was conducted in 3 villages, namely Jati Village. , Suruh Kalang Village and Jetis Village in Jaten District, Karanganyar Regency in the second planting season, namely April-July. The sample was taken as many as 90 farmers from the 3 villages intentionally with the consideration that farmers grow rice varieties inpari 33 and are active in farmer group membership. The data analysis method used in this research is the analysis of productivity and production functions of Cobb-Douglass. Based on the results of the study, it can be seen that the average production of Inpari 33 rice owned by farmers in Karanganyar Regency is 1,367.14 kg of dry milled grain. Farmers' rice productivity reached a value of 4,538.08 kg per hectare. Factors that affect rice productivity are land area, number of seeds, urea fertilizer, SP36, NPK, organic fertilizers, solid pesticides and the number of workers.
THE EFFECT OF CUSTOMER SATISFACTION AND BRAND EQUITY ON THE INTEREST IN REPURCHASING SUGAR Ringgo Ismoyo Buwono; Garnet Filemon; Tri Wisudawati; Wahyu Adhi Saputro
Airlangga Journal of Innovation Management Vol. 2 No. 1 (2021): Airlangga Journal of Innovation Management
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ajim.v2i1.26627

Abstract

Currently, the consumer goods business in Indonesia is very strict, including for sugar products. Until now, sugar products cannot be fully replaced by other products. The purpose of this study was to determine the effect of customer satisfaction and brand equity on the interest in repurchasing sugar products. This study used a descriptive analytic method using two data sources, namely primary data and secondary data. Primary data obtained by interviewing consumers who consume sugar as many as 60 people. Secondary data obtained from data sourced on the internet, books, journals and other sources deemed relevant. Analysis of the data used in this study is multiple linear regression with the dependent variable repurchase interest and two independent variables, namely customer satisfaction and brand equity. Based on the research results, it is known that the significance value of the F test is 0.000 so that the value is less than 5% alpha. Thus it can be said together that the variables of customer satisfaction and brand equity have an effect on the interest in repurchasing sugar. Based on the results of the t-test, it can be seen that the variable X1 (customer satisfaction) has a significance value of 0.0007 so that the value is less than alpha 0.05 in other words that the variable X1 (customer satisfaction) affects the interest in repurchasing. Variable X2 (brand equity) has a significance value of 0.0317 so that the value is less than alpha 0.05, in other words that the X2 variable (brand equity) affects the dependent variable repurchase interest.
Perancangan Sistem Ppic Guna Mengoptimalkan Proses Produksi Cetak Cover LKS (Lembar Kerja Siswa) Di CV Madyotomo Thaufik Kurniawan; Febrina Agusti; Ringgo Ismoyo Buwono
Jurnal Rekayasa Proses dan Industri Terapan Vol. 2 No. 2 (2024): Mei: Jurnal Rekayasa Proses dan Industri Terapan ( REPIT )
Publisher : Politeknik Kampar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59061/repit.v1i3.358

Abstract

Printing is an industry that is constantly evolving and adapting to changing market demands, as well as an increasing focus on sustainability. CV Madyotomo is a company engaged in the printing sector. When excessive incoming orders cause a buildup of print orders of up to 110% of production capacity, this makes employees often have to do overtime. The purpose of this research is to design a PPIC system that is useful for planning and scheduling production so that the entire production process can run smoothly and employees don't have to work overtime too often. PPIC system design can be done using Forecasting with the moving average method and single exponential smoothing. From this research, the results of the forecasting methods used for each level are different. For elementary school level (Elementary School) using the Moving Average method. For junior high school level (junior high school) using the single exponential smoothing method. For SMA level (High School) using the single exponential smoothing method. For MPS (Master Production Schedule) production, the number of daily print orders that must be fulfilled is 78,095. The proposed overtime with MPS in 9 days totals 36 hours. The difference in the frequency of company overtime with overtime according to MPS is as much as 28 hours, this of course will also affect the expenses for the wages paid, of course it will be less than before.
Peramalan Permintaan dengan Metode Time Series di PT. Margo Mitro Joyo Muhammad Iqbal; Indah Wahyu Utami; Ringgo Ismoyo Buwono
Jurnal Rekayasa Proses dan Industri Terapan Vol. 2 No. 4 (2024): November: Jurnal Rekayasa Proses dan Industri Terapan ( REPIT )
Publisher : Politeknik Kampar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59061/repit.v1i3.375

Abstract

Demand forecasting is one of the company's efforts as a basis for making strategic business continuity decisions. The condition of fluctuating demand makes the stock in PT. Margo Mitro Joyo becomes excess or runs out. Based on conditions it is necessary to forecast the demand for LKS. So that stock buildup that occurs at PT.Margo Mitro Joyo can be overcome. From the problems above, the purpose of this research is to find out the number of forecasting requests for Student Worksheets (LKS) in the next period. The analysis was carried out using 2 time series methods , namely weight moving average and single exponential smoothing. So obtained for demand forecasting respectively 971,025.62 and 994,421.12. and then determined by taking into account the smallest error value.
Perancangan Perawatan Mesin Cetak Offset Dengan Pendekatan RCM, (Reliability Centered Maintenance): (Studi Kasus Pada Cv Madyotomo Jawa Tengah) Apif Sofyan; Indah Wahyu Utami; Ringgo Ismoyo Buwono
Jurnal Rekayasa Proses dan Industri Terapan Vol. 2 No. 4 (2024): November: Jurnal Rekayasa Proses dan Industri Terapan ( REPIT )
Publisher : Politeknik Kampar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59061/repit.v1i3.378

Abstract

Machines play a crucial role in a production process, highlighting the need for maintenance to ensure their proper functioning. The methods employed include Fault Tree Analysis (FTA), Failure Mode and Effect Analysis (FMEA), and distribution determination. The repair times for each CMYK component are as follows: the bearing component requires 93.541 hours or 4 days, Griver needs 163.235 hours or 7 days, the seal requires 195.349 hours or 9 days, the linner pen needs 248.803 hours or 10 days, and the ink tank needs 260.123 hours or 11 days.
Perancangan Ulang Mesin Spot Welding Menggunakan Metode Benchmarking (Studi Kasus: Bengkel Fabrikasi Logam Dan Manufaktur SMK Negeri 2 Surakarta) Ismail Hakim Asy Syidiq; Febrina Agusti; Ringgo Ismoyo Buwono
Jurnal Rekayasa Proses dan Industri Terapan Vol. 3 No. 1 (2025): Februari: Jurnal Rekayasa Proses dan Industri Terapan ( REPIT )
Publisher : Politeknik Kampar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59061/repit.v1i3.422

Abstract

Spot welding is used as a tool to meet the UKK (Skill Competency Test) requirements in the Metal Fabrication and Manufacturing Engineering department at SMK Negeri 2 Surakarta in the form of welding workpieces from iron plates. The results of the welding are non-sticky and perforated iron plates. This research aims to redesign the spot welding machine by adding a TDR (Time Delay Relay) component to regulate the welding time using the benchmarking method. Data collection through interviews and observation. The results of the benchmarking analysis show that spot welding has easier welding specifications, has TDR and automatic switch components, dimensions of 45 x 23 x 15 cm and is capable of welding up to a plate thickness of 1,5 + 1,5 mm. Has a selling price of Rp. 1,200,000,-, so that it is able to compete in the market.
Usulan Strategi Pemasaran Berdasarkan Marketing Mix dan AHP pada Home Industry Shuttlecock Mkd (Marjoko Kompas & Domas) di Desa Gadingan, Kabupaten Sukoharjo Fatama, Arham Iqbal; Agusti, Febrina; Buwono, Ringgo Ismoyo
Prosiding Sains Nasional dan Teknologi Vol 14, No 1 (2024): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI 2024
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/psnst.v14i1.11852

Abstract

Persaingan bisnis yang semakin ketat menuntut perusahaan untuk mengembangkan strategi pemasaran yang efektif guna bertahan dan meraih kesuksesan di pasar. Penelitian ini fokus pada home industry shuttlecock MKD (Marjoko Kompas & Domas) di Desa Gadingan, Kabupaten Sukoharjo, yang menghadapi penurunan penjualan merek Kompas akibat persaingan yang meningkat dan dampak pandemi COVID-19. Tujuan penelitian ini adalah untuk menentukan strategi pemasaran yang tepat dalam meningkatkan volume penjualan melalui pendekatan bauran pemasaran 7P (Product, Price, Place, Promotion, People, Process, Physical Evidence) dan metode Analytical Hierarchy Process (AHP). Hasil analisis AHP menunjukkan bahwa kriteria "People" (0,27) dan "Promotion" (0,23) memiliki bobot tertinggi, menandakan bahwa aspek keterlibatan orang dan promosi sangat berpengaruh terhadap keputusan pembelian. Strategi pemasaran yang diusulkan meliputi keterlibatan dalam acara komunitas, membangun jaringan, optimasi proses produksi dan distribusi, peningkatan layanan pelanggan, serta promosi melalui media sosial dan marketplace. Penerapan strategi ini diharapkan dapat meningkatkan volume penjualan dan memperbaiki posisi pasar merek Kompas
Analisis Beban Kerja Untuk Meningkatkan Kapasitas Produksi di Isyana Butik Klaten Setiya, Intan Setiyawati; Wahyu Utami, Indah; Ismoyo Buwono, Ringgo
Prosiding Sains Nasional dan Teknologi Vol 14, No 1 (2024): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI 2024
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/psnst.v14i1.11715

Abstract

Berdasarkan pengamatan yang telah dilakukan, diketahui bahwa belum optimalnya manajemen sumber daya manusia di Isyana butik membuat kurang tepatnya target waktu produksi, menurunnya kualitas produksi, dan sering menolak order masuk, sehingga perlu diadakannya recruitment karyawan untuk membantu peran mitra. Penelitian ini dilakukan di Isyana Butik, Klaten, dengan data yang diperoleh melalui observasi, wawancara, dan dokumentasi terkait proses produksi. Workload Analysis (WLA) adalah metode menganalisis beban kerja setiap karyawan berdasarkan job description masing-masing pekerja. Berdasarkan dari hasil analisis penentuan tenaga kerja dapat dilihat nilai produktif pada pekerja bagian sewing dan finishing kurang dari nilai minimum produktivitas yaitu kurang dari 50%. Hal tersebut dikarenakan tenaga kerja yang ada pada Isyana Butik merupakan mitra kerja, yang memiliki jam kerja tidak efisien. Sehingga usulan penambahan tenaga kerja ini ditentukan berdasarkan jumlah tenaga kerja awal dengan jumlah pekerja yang sama untuk menggantikan mitra sebagai pekerja tetap serta menggunakan alokasi waktu kerja normal selama 8 jam kerja.
Perancangan Tata Letak Fasilitas dengan Metode Systematic Layout Planning Pada CV.X Di Kabupaten Karanganyar Setiawan Saputra, Muh. Rizky; Agusti, Febrina; Buwono, Ringgo Ismoyo
Prosiding Sains Nasional dan Teknologi Vol 14, No 1 (2024): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI 2024
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/psnst.v14i1.11853

Abstract

CV. X merupakan perusahaan baru yang bergerak di bidang percetakan. Salah satu produk yang dihasilkan dari perusahaan ini adalah Lembar Kerja Siswa (LKS) dan buku paket. Namun, CV. X ingin memiliki aset tanah yang akan di take offer guna menentukan layout mesin produksi. Tujuan penelitian ini yaitu untuk merancang layout usulan perubahan area gudang produksi pada CV. X. Metode yang digunakan pada penelitian ini metode systematic layout planning yang terdiri dari empat tahapan. Hasil analisis Activity Relationship Chart (ARC) dan Activity Relationship Diagram (ARD) penempatan area gudang dengan gudang bahan baku telah diposisikan saling berdekatan untuk mempermudah dan mempercepat alur distribusi material serta meingkatkan efisiensi keseluruhan proses produksi. Disarankan juga agar lokasi gudang bahan baku termasuk gudang gulungan kertas, gudang tinta, dan gudang plat didekatkan dengan area produksi untuk meminimalkan jarak perpindahan material dan mempercepat alur distribusi.
Perencanaan Schedule Preventive Maintenance Pada Mesin Web dengan Metode Overall Equipment Efectiveness (OEE) di CV. Indonesia Jaya Ahmada, Mikail Makmur; Nur Diansari, Brillian; Ismoyo Buwono, Ringgo
Prosiding Sains Nasional dan Teknologi Vol 14, No 1 (2024): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI 2024
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/psnst.v14i1.11763

Abstract

CV. Indonesia Jaya termasuk percetakan yang berkembang karena setiap hari mesin terus beroperasi dan produksi semakin meningkat. Tentunya pihak Perusahaan harus memperhatikan setiap proses produksi yang berjalan. Proses produksi merupakan faktor utama yang dapat meningkatkan perkembangan sebuah perusahaan. Apabila kapasitas produksi perusahaan meningkat, maka perusahaan akan semakin besar dan berkembang. Semakin seringnya mesin digunakan bekerja untuk mencapai target produksi yang kadang melebihi kapasitas dapat menurunkan kemampuan suatu mesin, umur mesin dan mengakibatkan pergantian komponen mesin yang rusak. Downtime merupakan jumlah waktu dimana suatu komponen tidak dapat berfungsi karena disebabkan adanya kerusakan (failure). Observasi yang dilakukan di CV. Indonesia Jaya yaitu terdapat banyak downtime atau waktu menggangur. Metode Reliability Centered Maintenance (RCM) dipilih karena menerapkan analisis secara menyeluruh mulai dari analisa fungsi sistem, dampak kegagalan hingga pemilihan tindakan perawatan untuk komponen yang mengalami breakdown. Tingkat kekritisan sebuah komponen terhadap kerusakan dapat dianalisis juga dengan menggunakan metode Reliability Centered Maintenance (RCM) sehingga pihak produksi mengetahui komponen mana yang memiliki peluang untuk lebih sering terjadi breakdown. Salah satu metode pengukuran di dalam Reliability Centetered Maintenance (RCM) adalah OEE (Overall Equipment Effectiveness). OEE dapat mengukur produktivitas  peralatan secara keseluruhan untuk mengevaluasi beberapa capaian performansi dan reliability. Berdasarkan permasalahan downtime pada mesin web, penulis bertujuan untuk mengetahui faktor yang mempengaruhi produktivitas mesin cetak dengan metode OEE.
Co-Authors Adit Tri Wahyono Ahmada, Mikail Makmur Apif Sofyan Arif Ramadhan, Irfan Baehaqi Brillian Nur Diansari Costa, Lourdes Alice Soares Defano Putra Ramadana Destyarini, Normalita Dwyanton, Fertilio Fatama, Arham Iqbal Febrina Agusti Febrina Agusti Garnet Filemon Indah Wahyu Utami Ismail Hakim Asy Syidiq Karunianto, Hernawan Maszaid, Muhalits Rangga Novianto, Damara Jibran Novira, Diana Novitaningrum, Restie Pebriyanto, Rahmat Restie Novitaningrum Ridzuan, Ilyas Syafiq Darul Setiawan Saputra, Muh. Rizky Setiya, Intan Setiyawati Thaufik Kurniawan Tri Wisudawati Wachid Ahmad Jauhari Wahyono, Adit Tri Wahyu Adhi Saputro Wahyu Adhi Saputro WAHYU UTAMI, INDAH Wicaksono, Fajar Yusuf Priyandari