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Journal : Jurnal Teknologi dan Vokasi

CONSTRUCTION OF A GOODS ELEVATOR WITH A MANUAL PULLEY SYSTEM Yanel, Karnova
Jurnal Teknologi dan Vokasi Vol 3 No 1 (2025): Jurnal Teknologi dan Vokasi
Publisher : ITP Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtv.2025.3.1.42-48

Abstract

An elevator, commonly referred to as a lift, is a lifting device frequently used in multi-story buildings to transport people or goods. In the context of this design, the objective is to develop an elevator for a two-story building with a height of 4 meters. The background of this project is to provide a practical and efficient elevator system for buildings that do not require high-capacity or complex machinery. The purpose of this design is to create an affordable and reliable manual pulley-based elevator system suitable for low-rise buildings. The methodology includes observation of existing elevator systems, the application of established design standards, and a thorough literature review. Based on these inputs, the elevator utilizes a manual pulley system with a maximum load capacity of 540 kg. The cabin, which accommodates four people, is lifted using six ropes of type 8x19 with a diameter of 13 mm. The cabin is guided by T90 rails and is equipped with a wedge-type safety gear system for enhanced security. The results of the design show that the system meets the required specifications for load capacity and safety, while remaining cost-effective and efficient for the intended application. In conclusion, this manual pulley elevator system is a feasible and practical solution for small to medium-sized buildings, offering both reliability and safety within a modest budget
CONSTRUCTION OF A GOODS ELEVATOR WITH A MANUAL PULLEY SYSTEM Yanel, Karnova
Jurnal Teknologi dan Vokasi Vol 3 No 1 (2025): Jurnal Teknologi dan Vokasi
Publisher : ITP Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtv.2025.3.1.42-48

Abstract

An elevator, commonly referred to as a lift, is a lifting device frequently used in multi-story buildings to transport people or goods. In the context of this design, the objective is to develop an elevator for a two-story building with a height of 4 meters. The background of this project is to provide a practical and efficient elevator system for buildings that do not require high-capacity or complex machinery. The purpose of this design is to create an affordable and reliable manual pulley-based elevator system suitable for low-rise buildings. The methodology includes observation of existing elevator systems, the application of established design standards, and a thorough literature review. Based on these inputs, the elevator utilizes a manual pulley system with a maximum load capacity of 540 kg. The cabin, which accommodates four people, is lifted using six ropes of type 8x19 with a diameter of 13 mm. The cabin is guided by T90 rails and is equipped with a wedge-type safety gear system for enhanced security. The results of the design show that the system meets the required specifications for load capacity and safety, while remaining cost-effective and efficient for the intended application. In conclusion, this manual pulley elevator system is a feasible and practical solution for small to medium-sized buildings, offering both reliability and safety within a modest budget
ANALISIS KEGAGALAN POMPA SENTRIFUGAL (OVERHUNG 212–P17) MENGGUNAKAN METODE FMEA DI PT KILANG PERTAMINA INTERNASIONAL RU II DUMAI Safery, Rozi; Putra, Ismet Eka; Yanel, Karnova
Jurnal Teknologi dan Vokasi Vol 3 No 2 (2025): Jurnal Teknologi dan Vokasi
Publisher : ITP Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtv.2025.3.2.173-178

Abstract

Centrifugal pumps are essential components in refinery processing systems, including those at PT Kilang Pertamina Internasional RU II Dumai. One of the pumps in operation, the overhung type 212–P17, has experienced a jammed condition affecting its performance. This study aims to analyze the potential failure modes of the pump components using the Failure Mode and Effect Analysis (FMEA) method and to determine corrective action priorities based on the Risk Priority Number (RPN). The analysis focused on four key factors: material integrity, shaft alignment, lubrication condition, and clearance. The results indicate that shaft misalignment had the highest RPN of 324, followed by lubrication failure with an RPN of 160. These findings suggest that corrective measures should prioritize shaft realignment and lubrication management. The FMEA approach has proven effective in identifying critical components and structuring a preventive maintenance strategy to enhance the operational reliability of the pump system.