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All Journal Jurnal Sains dan Teknologi Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Rekayasa Mesin Jurnal Pengabdian UntukMu NegeRI Jurnal Pemberdayaan Masyarakat Madani (JPMM) Journal TEPAT: Teknologi Terapan untuk Pengabdian Masyarakat Jurnal Surya Teknika Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Journal of Material Processing and Characterization (JMPC) Teknologika Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Proksima BATOBO: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Kompetitif Jurnal Polimesin Prosiding SNTTM
Dedy Masnur, Dedy
Universitas Riau
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EVALUASI KAPASITAS PRODUKSI DAN IDENTIFIKASI KEBUTUHAN PENGEMBANGAN MESIN LEMANG BERBASIS VOICE OF CUSTOMER Anggraini Dwi Saputri; Anita Susilawati; Awaludin Martin; Feblil Huda; Dinni Agustina; Yogie Rinaldy Ginting; Herisiswanto Herisiswanto; Annisa Wulan Sari; Dedy Masnur; Putri Nawang Sari; Ari Andriyas Puji; Dodi Sofyan Arief; Yohanes Yohanes
Jurnal Pengabdian Kompetitif Vol. 5 No. 1 (2026): Jurnal Pengabdian Kompetitif (JPK)
Publisher : Komunitas Manajemen Kompetitif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35446/pengabdiankompetif.v5i1.2931

Abstract

The implementation of the Closed Rotary Lemang Baking Machine at Rumah Lemang MSME in Pekanbaru improved burning time efficiency by 50%–62.5% per batch. However, field evaluation revealed a critical capacity gap: machine capacity (10 bamboo/batch) was significantly lower than traditional production capacity (40 bamboo/batch), resulting in lower actual throughput (6–7 bamboo/hour vs. 10–13 bamboo/hour) and reduced daily output (20–30 vs. 40 bamboo). This study analyzed this gap through throughput analysis and identified second-generation machine requirements using Voice of Customer (VoC). Methods included in-depth interviews with the MSME owner, production performance measurement, and comparative gap analysis. VoC results identified an ideal capacity of 50 bamboo/batch, with the owner already planning an independent modification as an indication of active technology adoption. This study recommends an iterative development approach with modular second-generation machine specifications grounded in real user needs.
Bell casting using gema’s local clay: Mold performance and gating design influence variations Dedy Masnur
Prosiding SNTTM Vol 23 No 1 (2025): SNTTM XXIII October 2025
Publisher : BKS-TM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71452/zeg34d84

Abstract

Indonesia has a large potential of natural clays, one of which is located in Gema Village, Lipat Kain Subdistrict, Kampar Regency, Riau Province. This study aims to examine the use of Gema clay as a molding material and gating system design for bell making through a number of defects, dimensional accuracy, and hardness values. The molds were designed with a sprue; two sprues; and a sprue and a riser. The Gema village clay was formed into two mold halves, the lower and upper molds. Then, the molds were dried and sintered at 359 °C. Al-4.5wt.%Cu was melted in a crucible furnace to 780 °C, then poured into the mold. The defects were observed, the representative of dimensions and the hardness were measured.  The results show there are two types of defects that were observed as a result of the use of clay and channel system: incomplete casting and pin holes. The a sprue and a riser design has a lowest percentage error of 0.35% and a hardness of 56.486 VHN.
Efektivitas Syzygium Polyanthum sebagai Inhibitor Korosi AISI 1037 pada Media Air Gambut Masnur, Dedy; Fatra, Warman; Nawangsari, Putri; Hadi, Syafwan
SURYA TEKNIKA Vol 13 No 1 (2026): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v13i1.11314

Abstract

Corrosion of carbon steel in peat water environments is a critical issue due to the acidic nature and high content of organic acids in the medium. This study investigates the corrosion rate and inhibition efficiency of Syzygium polyanthum (bay leaf) extract as a natural corrosion inhibitor for AISI 1037 carbon steel in peat water. The extract was prepared using a maceration method followed by solvent removal with a rotary evaporator. Steel specimens were immersed in peat water without inhibitor and with inhibitor mass concentrations of 3%, 6%, and 9% (v/v) for 28 days. Corrosion rates were determined using the weight loss method, supported by visual surface analysis. The results indicate that bay leaf extract significantly reduces the corrosion rate of AISI 1037 steel. The highest inhibition efficiency of 38.83% was achieved at a concentration of 9% v/v, corresponding to a corrosion rate of 1.66 mpy. These findings demonstrate the potential of bay leaf extract as an environmentally friendly corrosion inhibitor for carbon steel in peat water environments.
Co-Authors Abdul Rahman Adri Adri Andi Putra Andri Andri Anggraini Dwi Saputri Anggria, Feldy Anita Susilawati Annisa Wulan Sari Annisa Wulan Sari Anuar, Kaspul Ari Andriyas Puji Asrian, Angga Awaludin Martin Azis, Azridjal Brian Agung Cahyo P. Buma Gempa Skp, Buma Gempa Cupu, Dedi Rosa Putra Dea Musyafiroh Akbar Dian Oktary Dinni Agustina Dodi Sofyan Arief Eko Saputra Erwin Ardiansyah Feblil Huda Ginting, Yogie Rinaldy Gunawan, Gilang Hadi, Syafwan Hanif Nugroho Aji Harrianda Hudaya Harrianda Hudaya Herisiswanto Herisiswanto Herisiswanto Herisiswanto Indra Jun Noturas Irdoni HS Jheri Hermanto Kusuma, Aryandi Latif Kuncoro Wasmi Apris M Dalil Mintarto . Muftil Badri Muttaqien, Muhammad Fadhlurrahman ‘Arif N. Nazaruddin Nazaruddin Nazaruddin P.C1, Dedi Rosa Patiharauw, Frans Boyce Pernando Sihite Pernando Sihite, Pernando Putri Nawang Sari Putri Nawangsari Putri Nawangsari Rahmadiza, Duta Rahmat Rosandi Rahmatsyah Maksum Ramsi Rasyad, Abdur Ridwan Abdurrahman Rochman Saefudin Romy Romy Romy Seab Piseth Sunny Ineza Putri Suyitno Suyitno Syafri Syafri Syafri Viktor Malau Warman Fatra, Warman Yohanes Yohanes Yohanes