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Journal : proksima

Pengaruh Variasi Serat Fiberglass Terhadap Kekuatan Tarik Komposit High Density Polyethylene Jhenris Ivanly; M Dalil; Dodi Sofyan Arif
Proksima Vol 1 No 1 (2023): Jurnal ProKsima
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/proksima.1.1.1-7

Abstract

This research was aimed to determine the effect of fiberglass fibers in increasing the tensile strength of HDPE composites and their advantages over PVC materials. The specimens were printed using a hot press by pressing and heating at a temperature of 140°C, mixing the materials was carried out by mixing in a measuring cup, then cutting was carried out for tensile testing with the ASTM D3039 standard on the specimen. The results of the study obtained tensile strength with a fraction of 70% vol HDPE resin, 30% vol fiber fiberglass average of 13.774 Mpa with short fiber type and fraction 75% vol HDPE resin, 25% vol fiber fiberglass average of 24,334 Mpa for this type of fiber the length and tensile strength of PVC material has a value of 7 25 Mpa, the tensile strength of HDPE fiberglass composite of 24,334 Mpa is sufficient to replace PVC.
Aligment Feed Water Pump menggunakan Metode Laser PT. Riau Andalan Pulp and Paper Pelalawan, Riau Dinova, Alfito; Arief, Dodi Sofyan; Dalil, M; Junaidi, Abdul Khair
Proksima Vol 2 No 1 (2024): Jurnal ProKsima
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/proksima.v2i1.18

Abstract

Alignment is a process that aligns two shaft axes that are not straight to centric (between the driving shaft and the driving shaft axis). Correct alignment is needed so that checks are completed on the correct clutch, so that offset misalignment and angle misalignment do not occur again which results in damage to machine components which is detrimental to the industry. Misalignment is a condition where there is a deviation at the point between two connected axes (two axes are not located on the same axis). If misalignment occurs in the clutch, it will accelerate damage to the clutch, bearings and other components, and cause excessive vibration. The purpose of writing this report is to find out the basic theory of alignment and find out the alignment method using the laser method.
Co-Authors Abdul Khair Junaidi Abdurrahaman, Ridwan Achmad Jusuf Zulfikar Achmad Tavip Junaedi Adhy Prayitno Adrianto Ahmad Adrianto Ahmad Affilla Fetty Anggraheni Afrizal, Efi Agus Reforiandi Agus Surya Permana Ahmad Romadani Alvi Hidayat Alyauma Hajjah Amir Hamzah Amir Hamzah Amries Rusli Tanjung Amries Rusli Tanjung Anggraini Dwi Saputri Anita Susilawati Anjananda Vitodi Ari Andriyas Puji Arih Dwi Prihastomo Azridjal Aziz Bord Nandre Aprila Cecilia Cecilia Cecilia, Cecilia Chaerunissa, Andini David Andrio David Andrio Dedy Masnur, Dedy Desnelita, Yenny Dini Avriliani Dinova, Alfito Dodi Sofyan Arief Dodi Sofyan Arif Doni saputra Doni Saputra Edy Fitra Eko Jadmiko Elgi Oki Andeska Erpiani Siregar Evelyn Evelyn Fifi Puspita Gusrio Tendra Harris Aminuddin Harris Aminuddin Harry Patuan Panjaitan Heru Pranoto Imnadir Imnadir Imnadir, Imnadir Indra Hermawan Iwan Kurniawan Iwan Kurniawan Jahrizal Jamil Haron, Surhan Jaswar Koto Jhenris Ivanly Joko Joko Kana Sabatul Ikhwan Kana Sabatul Ikhwan, Kana Sabatul Koto, Jaswar Kristy Veronica Kusuma, Andi Arief Latif Kuncoro Wasmi Apris M. Hanif Aprilyansah M.Y. Yuhazri Marice Br Hutahuruk Marice Br Hutahuruk Marlim, Yulvia Nora Mhd Irvan Irwana Muftil Badri Muhammad Idris Muhammad Pringgo Prayetno Musa, Sulaiman Nabila Wahid Nicholas Renaldo Nindy Daviny Nofrizal Nofrizal Nyoto Onny Setyawan Rahman, Sarli Rebecca La Volla Nyoto Romy . Rudi Z.A Sari, Azzaharah Isyari Nuraini Sihotang, Samsul Bahri Silaban, Vrengky Roberto Simaskot, Johar Suhardjo Sukemi Indra Saputra Sulaiman Musa Sulaiman Musa Tarigan, Dito Arief Maulana Ulfa Hasnita Umar Faruq Umar Faruq Veronica, Kristy Wahid, Nabila Wasilah . Weriono Wilda Susanti Yusrizal Yusrizal