Satria, Anggi
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PENGENDALIAN KUALITAS PRODUK ORAL HEALTH CARE (OHC) PADA PT AMTEK ENGINEERING BATAM Satria, Anggi; Arista, Anggia
Computer Science and Industrial Engineering Vol 4 No 5 (2021): Comasie
Publisher : LPPM Universitas Putera Batam

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Abstract

The background of this research is based on the discovery of various defects in the production process so that companies need to take quality control measures to maintain the quality of their products, so that their products can be accepted by consumers. PT Amtek Engineering Batam is a manufacturing company that produces stators. The purpose of this study was to analyze quality control, types of defects and the factors causing stator defects. The data collection technique is done by interview, observation, product defect data, and stator total production data. The data is processed using the sqc method, namely check sheets, Pareto diagrams, P control charts, and fishbone diagrams. The results of data analysis using the P map, Over lapping defects and Gap defects are outside the upper control limits. Based on the Pareto diagram it can be concluded that the type of Over lapping defect is the highest with the number of 4,242 pcs or 48.2%, the type of Gap defect is 3,306 pcs or 37.6% and Scratched defect is 1,256 pcs or 14, 2%. Based on the fishbone diagram, it is found that machine factors are the main cause of product defects.
The Effect of Plyometrics Exercises on Sabbit Kick Speed in Pencak Silat Athletes Setiawan, Yogi; Ihsan, Nurul; Satria, Anggi
International Martial Arts and Culture Journal Vol. 2 No. 3 (2024): International Martial Arts and Culture Journal
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/imacj31019

Abstract

Studi Purpose The problem in this study is the low speed of the crescent-kick speed of the pencak silat athletes at the Pat Ban Bu Air Tawar college. The purpose of this study was to determine the effect of plyometrics training on sickle kick speed in pencak silat athletes at the Pat Ban Bu Air Tawar college. Method This type of research is a quasi experiment. The population in this study were 10 athletes of pencak silat at the Pat Ban Bu Air Tawar college. The sampling technique in this study used a total sampling technique. Many samples in this study amounted to 9 athletes. To obtain data, measurements were taken twice, namely pre-test and post-test. Data were collected by carrying out a sickle kick speed test. The data were analyzed using the mean difference test (t test). Results of this study indicate that: The results of the hypothesis test of the effect of plyometrics training are significant on the speed of the sickle kick in pencak silat athletes at the Pat Ban Bu Air Tawar college, by testing the sickle kick speed hypothesis, the value of tcount = 4.39> ttable = 1.85 The average pre-test was 24.44 and the post-test was 25.89 with a significant level of α = 0.05.