Producing Learning Media Project in Metal Transformation machine System in Work Place Application of Hydraulic System and Relay Controlling System of Ball Valve Lathe Machine 3D
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A research project to produce a learning media which included a metalworking system through a real machine in the workplaces. Under the topic of Hydraulic system, and a control relay system of ball valve lathe. The results of this research using an evaluation tool was an information obtained from the questionnaire was analyzed. The result follows. 30 respondents were satisfied with the results of the assessment of their satisfaction with the use of the application. The results of the study were as follows The topic of Hydraulic system, and a control relay system of ball valve lathe to a very high level and, there was highly satisfied.