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All Journal Mitra Akademia: Jurnal Pengabdian Masyarakat JURNAL POLI-TEKNOLOGI
HB. Rudi Kusumantoro
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Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation

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OPTIMALISASI UKURAN BLEED TERHADAP JUMLAH KATERN RUSAK DAN KEBUTUHAN KERTAS Anugerah Putera Nureko; Endang Yuniarti; HB. Rudi Kusumantoro
Jurnal Poli-Teknologi Vol. 21 No. 3 (2022)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v21i3.3790

Abstract

The use of bleed size in the book production process greatly affects the quality of the product. Bleed size serves as a measure of tolerance given when placing the book layout on 1 sheet of katern so that the size of the finished product is met. Reducing the size of the bleed will result in the resulting page fold (katern) being rejected. However, if the size of the bleed is too large, it will result in high paper costs. This will also result in losses for the company. The aim of this research is to get the optimal bleed size that produces the least reject products. The results showed that the optimal size of the bleed on matt paper (120 gsm) paper was 8 mm. Because this measure produces the least amount of damaged material that is close to the standard, namely 20% of the production circulation. The paper requirement for 8 mm bleed is 18.92 reams or 635.3 kg with a paper size of 61x92 cm.
Pelatihan Pembuatan Baju Kaos: Peningkatan Kualitas Produk dan Daya Saing UMKM D’limalima Cileungsi, Kabupaten Bogor Djonaedi, Emmidia; Rachmah Nanda Kartika; Endang Yuniarti; Hb. Rudi Kusumantoro; Yoga Putra Pratama; Moch Yana Hardiman
Mitra Akademia: Jurnal Pengabdian Masyarakat Vol 7 No 1 (2024): Mitra Akademia: Jurnal Pengabdian Masyarakat
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/mapnj.v7i1.6381

Abstract

Convection is a mass production business, and this production scale is on the small industry scale. D'LimaLima small industry is a screen printing start-up small industry that was only founded in 2023. This small industry is interested in starting a T-shirt screen printing business in various sizes. This activity was carried out by providing training in making t-shirts for 1 day. Participants who are beginners have different learning times for each person and each type of machine. The training methods that will be used include: Lecture, discussion, practice. From the observations, it was concluded that for all participants as beginners, sewing one t-shirt took more than one hour. This is caused by the lack of skills in using the three types of sewing machines (overlock, chain, double stitch). It took the three sewing trainers less than 1 hour to make one t-shirt, because they were trained and used to using industrial type sewing machines like that. On average, participants needed 10 minutes and 5 re-stitches when sewing on patchwork. so it can be confirmed that participants also need to repeat the activity more than five times to become more skilled at using the machine
Co-Authors Anugerah Putera Nureko Emmidia Djonaedi Endang Yuniarti Moch Yana Hardiman Rachmah Nanda Kartika Yoga Putra Pratama