ERGONOMIC APPROACHES ON QUALITY CONTROL OF NONCONFORMING PRODUCT (Case Study at PT. Hitachi Construction Machinery Indonesia)

Hascariyo, Roberto Ganis (2005) ERGONOMIC APPROACHES ON QUALITY CONTROL OF NONCONFORMING PRODUCT (Case Study at PT. Hitachi Construction Machinery Indonesia). S1 thesis, UAJY.

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Abstract

This study takes place in the manufacturing company in PT. Hitachi Construction Machinery Indonesia by the object of study is unconformity of 40 mm diameter of hole on ZX-30 Boom Product of Excavator in machining process. The objectives of this study are to analysing quality control aspect and human aspect on nonconformity problem, analysing human posture based on human capability and limitation (effect to human disorder and injured) and evaluating the relationship and potential causes of Quality control and Ergonomic that influenced on existing nonconformity problem. Quality control aspect will bring the assessment of nonconformity cause problem identification. By the Statistical process control on X and R chart that will focus on process stability analysis to reach specification on result. On the other hand human aspect will bring human working analysis assessment that based on human capability and limitation. Biomechanics analysis with mannequin pro software will discuss effect of working load and human body limitation to human disorder and injured. Conclusions of this study are Energy expenditure analysis result very high total work load (769329.8092 Newton per day or 2927.0441 Newton per machining cycle). The high expenditure of energy ( 18.5924 Kcal / minute) classified as unduly heavy work that risk to occur the possible of fatigue quickly refer to human error and human body injured. Correlation of ergonomics and quality aspect on this case of study is situation of unergonomics of working environment cause high work load to body segment of operator in activity process its machinery and later then give the high expenditure energy. Fatigue and injured problems in some part of body had been occurred. Then become constraint to operator to done activities on quality control or quality operation like inspection and others,. so some problems external influencing quality from process directing and influence the result from quality which in the end result the quality which is not expected.

Item Type: Thesis (S1)
Subjects: Industrial Engineering > Quality, Safety, Health and Environtment
Divisions: Fakultas Teknologi Industri > Teknik Industri Internasional
Depositing User: Editor UAJY
Date Deposited: 17 May 2013 10:10
Last Modified: 17 May 2013 10:10
URI: http://e-journal.uajy.ac.id/id/eprint/1496

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