Faculty Publications

An Investigation On In-Process SPC Sampling Frequency For A Shaft Bearing Turning Process

Document Type

Article

Keywords

Average production length (APL), Sampling frequency, Statistical process control (SPC)

Journal/Book/Conference Title

Journal of Technology, Management, and Applied Engineering

Volume

35

Issue

3

First Page

1

Last Page

16

Abstract

In cellular manufacturing design, the machining processes have the unique ability of allowing for discrete production and flexible scheduling. To ensure the quality of machining products, control charts for Statistical Process Control (SPC) have been implemented in many industries, and in this article we look at the use case for a company to monitor a specific machining process. Sampling is an essential part of data collection for SPC control charts. This study focuses on the investigation of SPC sampling frequencies for a shaft bearing turning process using the technique of Average Production Length (APL). The purpose of the study is to identify the SPC sampling frequency for a turning process. The results show that the 100% inspection has significantly shorter APL than one out of ten (1/10) and one out of twenty (1/20) SPC sampling frequencies, and 1/10 is preferred over 1/20. The results provide insights on the SPC sampling frequencies, which can be a reference for the company to select an economical SPC sampling frequency for a machining manufacturing process.

Department

Department of Applied Engineering and Technical Management

Department

Department of Management

Original Publication Date

1-1-2019

Repository

UNI ScholarWorks, Rod Library, University of Northern Iowa

Language

en

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