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Journal : Propeller

Analisis Uji Tarik Pada Hasil Pengelasan Busur Listrik Menggunakan Elektrroda Berdiameter 2.6 mm Pada Plat St 40 Dengan Ketebalan 4 mm Tnunay, Imanuel Adam; Manesi, Damianus; Hanmina, Marsianus M F; Bistolen, Boy; Lopo, Elkanan Bilak
Propeller Jurnal Permesinan Vol. 1 No. 2 (2023)
Publisher : Universitas Pertahanan RI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33172/pjp.v1i2.14590

Abstract

Pengelasan merupakan proses penyambungan peralatan material benda logam yang digunakan dalm konstruksi bangunan maupun konstruksi peralatan mesin dimana pengunan elektroda las san berpengaruh pad material yg disambungkan. Dengan penerapan pada material Baja St 40 dan elektroda berdiameter Ø 2,6 mm maka dari hasil penelitian ini menunjukan analisa bahwa pnggunaan bahan pengelasan Elektroda Ø 26 mm memiliki kekuatan tarik yang lebih baik (96,7 kg/mm). Tegangan Nominal yang dihasilkan dari hail pengelasan menggunkan elektroda Ø 26 mm adalah sebesar 90,72 kg/mm², Regangan yang dihasilkan apabilai bandingkan dengan pengelasan dasar maka didapat hasil sebesar 0,75 kg/mm², Sedangkan reduksi yang dihasilkan sebesar 6,2 kg/mm². hal ini menunjukan bahwa pengunaan elektroda Ø 26 mm masih menjadi rekomendasi dalam penggunaannya
Pemeriksaan Pengujian Dan Penerapan Keselamatan Dan Kesehatan Kerja Pada Bejana Tekan Pereira Maia Pinto, Gaspar; Lopo, Elkana Bilak; Rohi, Jemssy R; Bistolen, Boy
Propeller Jurnal Permesinan Vol. 2 No. 1 (2024)
Publisher : Universitas Pertahanan RI

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

Abstract

This study aims to analyze the methods of inspection, testing, and application of occupational safety and health (OHS) to pressure vessels in industry. occupational safety and health (K3) on pressure vessels in industry. Inspection and testing are closely related to ensuring the structural integrity and operational safety of pressure vessels. Occupational safety and health is a primary focus to prevent workplace accidents and protect employees. Methods This research involved a survey of current inspection and testing inspection and testing practices, as well as analyzing data from incidents of work-related accidents and illnesses. incidents. In addition, the Air Compressor Tank Pressure Vessel Test Inspection was conducted at the PT X location is a periodic test check. Based on Minister of Manpower Regulation No. 37 Year 2016, the periodic test inspection stage consists of work activities, namely Document Inspection, Visual Inspection and NDT Testing. Documents, Visual Examination and NDT Testing, the results showed that Physical/Visual Inspection of the weld area found no weld defects, NDT (Non Destructive Test) Inspection of the weld. NDT (Non Destructive Test) Ultra sonic Wallthickness Testing on the plate was not found. found a difference in thickness (even thickness), Inspection of operating pressure in the weld area - Nozzle weld, Valve no indication of leaking was found. Research This study concludes that the Safety valve and pressure gauge are checked internally and calibrated periodically. internal inspection and periodic calibration, operating pressure should not exceed the permitted pressure. operating pressure should not exceed the allowable pressure of 6 Bar, daily internal checks and maintenance are carried out periodically. periodically., Manual book and Hystory Manual book and Hystory card must always be maintained, When making repairs or replacing damaged components When repairing or replacing damaged components, it must be in accordance with the manufacturer's recommendations. on the Air Receiver Tank unit and document the maintenance activities (Maintenance record must be done internally). maintenance activities (Maintenance records must be carried out internally periodically according to the manufacture), Comply with and implement all safety and health requirements. and occupational health. is fully responsible for the safe operation of the Air Receiver Tank Pressure Vessel. Tank.