PT. Primissima was a company that was involved in textile where the requirement would the quality of the thread as the main raw material that also was produced personally it was felt very important. The decline in the quality of the thread significantly that was experienced in the period for the last 4 months (in May s/d in August 2004) gave the impact of the negative for perusahan, especially from the aspect of the customer's satisfaction. The analysis towards the stability and the capability the process must be carried out to prove and clarify the existence of the problem especially in the process that took place.
The analysis was carried out by using the Six Sigma method that was begun with identified the requirement for the customer, mapped the requirement for the customer inside karekteristik the technical quality (CTQ), determined the place of this CTQ priority was based on the level of the interests and the customer's satisfaction, as well as measured the value sigma, the stability and the process capability against CTQ that was in the place of the highest priority. Results of the research that it was stressed to CTQ the unevenness of the thread as the place of the highest priority showed that, with the value sigma the unevenness of the thread of 4,07 sigma, the process was in the condition was more unstable and despite the instability and the inability of this process.
The proposed improvement and the control were also given in this research. The key word: the thread, CTQ, the unevenness of the thread, thought sigma, the stability of the process, the process capability.
The analysis was carried out by using the Six Sigma method that was begun with identified the requirement for the customer, mapped the requirement for the customer inside karekteristik the technical quality (CTQ), determined the place of this CTQ priority was based on the level of the interests and the customer's satisfaction, as well as measured the value sigma, the stability and the process capability against CTQ that was in the place of the highest priority. Results of the research that it was stressed to CTQ the unevenness of the thread as the place of the highest priority showed that, with the value sigma the unevenness of the thread of 4,07 sigma, the process was in the condition was more unstable and despite the instability and the inability of this process.
The proposed improvement and the control were also given in this research. The key word: the thread, CTQ, the unevenness of the thread, thought sigma, the stability of the process, the process capability.
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