Retrofit Kontrol Kemiringan Pisau Mesin Pemotong Pelat Merek Colgar Berbasis HMI Dan PLC Omron

Deko Trio Desembara; Moody Noldy Tumembow; Priyono Priyono

Authors

Deko Trio Desembara Politeknik Negeri Manado
Moody Noldy Tumembow Politeknik Negeri Manado
Priyono Priyono Politeknik Negeri Manado

Keywords:

Retrofit, PLC, HMI, Guillotine Shear

Abstract

A Colgar brand plate cutting machine (Guillotine Shear) manufactured in 1995 located at the Manufacturing Laboratory at Manado State Polytechnic is not functioning properly because the blade (cutter) angle adjustment mechanism is no longer working, thereby limiting the cutting capacity and quality of the results; currently, only the up-and-down movement of the cutting blade is controlled by a relay. This research employs the Research and Development (R&D) method with a design-and-build approach, which includes analyzing the machine’s initial condition, designing the mechanical and electrical systems, programming the PLC using CX-Programmer, and designing the HMI interface. Implementation was carried out by integrating hardware and software components, followed by functional testing to measure machine performance. The results of the study indicate that the retrofit system successfully improved machine performance, where the blade tilt angle can be adjusted using the HMI interface by controlling the movement of the solenoid connected to the hydraulic system. The system is also equipped with an audible alert (buzzer) when starting operation. It is recommended that the system be further developed by adding an automatic sensor capable of adjusting the angle according to the thickness of the material being used.

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