1-20 of 225 Search Results for

statistical process control

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Image
Published: 01 August 2005
Fig. 1.32 Statistical process control (SPC) chart for peak process temperature measured at a test point on a component, showing the upper- and lower-control (i.e., intervention) points for this process More
Image
Published: 01 April 2004
Fig. 1.31 Statistical process control chart for peak reflow temperature (indicated by solid squares) measured at a test point on a printed circuit board, showing the upper and lower control (i.e., intervention) points for this process More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260233
EISBN: 978-1-62708-336-2
... Abstract This chapter provides an introduction to statistical process control and the concept of total quality management. It begins with a review of quality improvement efforts in the extrusion industry and the considerations involved in developing sampling plans and interpreting control...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440243
EISBN: 978-1-62708-262-4
.... The steps include selecting proper material and design of the part being treated; determining whether the process is capable of heat treatment; using statistical process control, control charting, and in-process inspection and testing; and applying statistical quality control and final testing (sampling...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200065
EISBN: 978-1-62708-354-6
... Abstract This chapter discusses the role of standards and specifications for steel castings. It defines specifications and discusses how certification, testing, examination, methods, practices, procedures, compositions, properties, facilities, statistical process control, and documentation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440283
EISBN: 978-1-62708-262-4
... destruction of actual parts. The material and section size variables are removed to provide a measurement of actual process variation. Test coupons must be carefully designed to be an effective statistical process control (SPC) tool. They must be properly selected for size, shape, and material...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110666
EISBN: 978-1-62708-247-1
... control of many process parameters. Slight variations of these parameters can drastically (and negatively) affect product yield [1] . Process Control Statistical Process Control (SPC) is a systematic way of controlling quality through the use of statistical process programs or “charts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200220
EISBN: 978-1-62708-354-6
... be tested using a minimum of experiments. Interactions between variables can also be examined. Results are replicated before becoming a permanent process change so that improvement is ensured. Process Control Statistical Process Control and Process Improvement Systems Steel casting producers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440243
EISBN: 978-1-62708-352-2
... solid-liquid interdiffusion surface mounted electronic device surface mount technology statistical process control time temperature melting point of a solid metal melting point of a liquid metal transient liquid-phase (joining) ultrahigh vacuum volatile organic compounds volume work coefficient...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050281
EISBN: 978-1-62708-311-9
... be used to record the processing variables with their limits and settings. The fundamental concept of statistical process control is that process adjustment is made on an ongoing basis to keep the process in control. Quality induction hardened parts are produced through intention with thorough planning...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200206
EISBN: 978-1-62708-354-6
... process variables ( 2 ) Variation can be measured and characterized in several ways using the methods of descriptive statistics. One of the more useful books available is the “Manual on Presentation of Data and Control Chart Analysis” provided by ASTM ( 7 ). While describing several tabular...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720293
EISBN: 978-1-62708-305-8
... to microcomputers for data recording and statistical analysis to meet the requirements of statistical process control. Laser methods of measurement using beam displacement or time-lapse techniques are available for use in machine shops where accurate measurement is required for control of automatic machining...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260213
EISBN: 978-1-62708-336-2
... Stretching and sawing checklist Extrusion Process Control Chart For the statistical process and quality control of the extrusion process, it is important to collect the process variables. The extrusion variables included in the flow diagram with quality checkpoints for the statistical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980551
EISBN: 978-1-62708-342-3
..., and disadvantages. It describes the process chain for order processing within the quality circle and provides information on product liability legal issues. In addition, the chapter discusses the processes involved in quality control, along with its organization, responsibilities, audits, and testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110506
EISBN: 978-1-62708-247-1
... of classification failure rates by process technology and memory type can be used to set up Statistical Process Control (SPC) charts for quick reaction to process excursions. And finally, operational life failures may have a signature that is visible at wafer test. Careful study of the failure signature may reveal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060001
EISBN: 978-1-62708-355-3
... standard deviation and range information is the basis for statistical process control, which systematically interprets this information so as to provide the maximum information about both the material and the test process. Analysis of test data is done at several levels. First, the technician observes...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780081
EISBN: 978-1-62708-268-6
...-on-one basis (rather than having everyone on the failure analysis team show up in the work center), and asking open-ended questions (rather than questions that can be answered with a “yes” or a “no”) are approaches that work well. In companies that use statistical process control (SPC), the SPC...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180061
EISBN: 978-1-62708-256-3
... Abstract Statistics, data analysis, root cause analysis, and problem-solving processes play a key role in failure investigations. This chapter explains how to collect failure investigation data, how to build and maintain a database for company-related failures, and how to use corresponding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
... to determine and control the ideal temperatures and times so that a specified hardness may be obtained. When large populations of materials make testing each workpiece impractical and a tighter control is demanded for a product, statistical process control (SPC) is usually incorporated. This means...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720049
EISBN: 978-1-62708-305-8
... or rejection decisions. Although CMMs continue to play this role, manufacturers are placing new emphasis on using CMMs to capture data from many sources and bring them together centrally where they can be used to control the manufacturing process more effectively and to prevent defective components from being...