Capability Process Assessment in Six Sigma Approach

Czarski, A.

doi:10.7494/mafe.2007.33.2.105

Cited by 5 publications

(8 citation statements)

References 4 publications

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“…The methodic and interpretation of the mentioned capability indices have been in details presented in the previous work [12].…”

Section: Aim Material Results Of Experimentsmentioning

confidence: 99%

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Assessment of Statistical Stability of Steel Strip Hot-Rolling Process

Czarski

2008

mafe

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“…The methodic and interpretation of the mentioned capability indices have been in details presented in the previous work [12].…”

Section: Aim Material Results Of Experimentsmentioning

confidence: 99%

“…Results of such analysis can be [12] both the document of meeting specified quality requirements for Client and information for the process holder about the present condition of the process and the potential for its improvement.…”

Section: Discussionmentioning

confidence: 99%

Assessment of Statistical Stability of Steel Strip Hot-Rolling Process

Czarski

2008

mafe

Self Cite

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“…In the long-term and short-term capability approach, analogously to the analysis of variance (ANOVA), the analysis of process variability is being performed considering sources that can be its reasons [2,3,7].…”

Section: Long-term Capability Short-term Capability Conception Calcmentioning

confidence: 99%

“…Data for the analysis are shown in Table 3 and Figure 1. The detailed information on the heat treatment and measurements made have been already presented above [7]. According to client's expectations the specification limits for hardness of drop forgings after quenching and tempering are as follows: lower specification limit LSL = 30 HRC, upper specification limit USL = 40 HRC.…”

Section: Aim Subject Of Investigationsmentioning

confidence: 99%

“…The expression of this comparison is a series of different capability indices that are capability indices of first generation (short-term capability Cp, Cpk, long-term capability Pp, Ppk), capability indices of second generation (Cpm), capability indices in case of non-normal distributions, capability indices for correlated data, capability indices in case of multidimensional analysis etc. [4,6,7].…”

Section: Introductionmentioning

confidence: 99%

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Assessment of a Long-Term and Short-Term Process Capability in the Approach of Analysis of Variance (Anova)

Czarski¹

2009

mafe

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Selection of Tooling for Extrusion of Polyamide Hoses Using Process Capability Analysis

Siqueira,

Vieira,

Furtado

et al. 2024

RGSA

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Objective: This research is a case study carried out in a polyamide hose factory located in Brazil. The research seeks to identify the best set of tools to be used in a polymer extruder in the manufacture of polyamide 11 hoses. Search with the set of tools seeking the best production quality, without dimensional variations and in a more stable way from the beginning. Methods: By visualizing the dimensions of the product and the dimensions of the tools. To achieve this, Minitab® software is used to analyze the capacity of the production process with three different combinations of tools. The three productions were carried out with modifications to the original set of tools, one with changing the former and the last with changing the pin and extrusion die. Results and conclusion: Process capacity analysis showed that the last combination, with a former with a smaller gap in relation to the hose and with a pin and die with smaller gaps than the initial set, was more efficient, producing a hose with fewer dimensional variations. Research implications: Process capability analysis proves to be useful in assisting engineers in the development of tools to produce thermoplastic hoses, reducing dimensional variations and product defects, generating savings in material, hours worked and costs. Originality/Value: Hoses are produced not only by the oil and gas sector, but also for other purposes such as hospital use, retail and civil construction. This study will help the production of thermoplastic hoses in any segment.

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Capability Process Assessment in Six Sigma Approach

Cited by 5 publications

References 4 publications

Assessment of Statistical Stability of Steel Strip Hot-Rolling Process

Assessment of Statistical Stability of Steel Strip Hot-Rolling Process

Assessment of a Long-Term and Short-Term Process Capability in the Approach of Analysis of Variance (Anova)

Selection of Tooling for Extrusion of Polyamide Hoses Using Process Capability Analysis

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