Implementation Of Critical To Quality In Manufacturing Company

Choong, Kai Yuen (2019) Implementation Of Critical To Quality In Manufacturing Company. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Quality issue is the main focus in manufacturing sector since it is one of the commitments for products. Critical to Quality (CTQ) is the internal critical quality parameters that identify with the needs and want of the customers. CTQ is a quality tools which selected in this project to minimize the root causes that leading to quality issues in a casting manufacturing company which is located in Cheng, Melaka. Currently, the critical problem faced by case company is no critical to quality for dimension, process and drawing and cause some waste time work during inspection. Hence, the goal of this project is to analyze and measure all the quality issues by implementing CTQ. Define-Measure-Analyze-Improve-Control (DMAIC) methodology is being used as guideline through whole project. In each phase of DMAIC, tools like Supplier-Input-Process-Output-Customer (SIPOC) diagram, Cause-and-Effect diagram and Failure Mode and Effect Analysis (FMEA) were used to implement CTQ. The root causes of the critical problem were identified and solution to minimize the problem was provided. Based on the results, the implementation of CTQ to existing checklist was reduced 27.8% per day. An estimation of 41min 40sec can be saved daily after the implementation. CTQ was implemented to process and new product’s drawing by updated or add in control point, work instruction and CTQ marking. For continuous improvement, the CTQ should be continuously implemented in other department and documentation.

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