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machine vision

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720063
EISBN: 978-1-62708-305-8
... Abstract Machine vision is a means of simulating the image recognition and analysis capabilities of the human eye/brain system with electronic and electromechanical techniques. This chapter discusses four basic steps in the machine vision process, namely image formation, image preprocessing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
... Abstract This chapter provides an overview of the various inspection methods used with metals and alloys, namely visual inspection, coordinate measuring machines, machine vision, hardness testing, tensile testing, chemical analysis, metallography, and nondestructive testing. The nondestructive...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500301
EISBN: 978-1-62708-317-1
... velocity of material flow, namely, roller ball sensors and contactless optical sensors. Machine vision systems are used for automated quality-control purposes. They provide geometrical information about the entire part. They work by acquiring an image of the part to be tested; processing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870307
EISBN: 978-1-62708-314-0
... are extremely rigid and allow for accurate hole location and normality. They are NC, so there is no need for drill templates. They have vision systems that can scan the substructure and software that will then adjust the hole location to match the actual location of the substructure even if it is not...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500019
EISBN: 978-1-62708-317-1
.... , May 2003 2.33 Kwok S.K. and Lee W.B. , The Development of a Machine Vision System for Adaptive Bending of Sheet Metals , J. Mater. Process. Technol. , Vol 48 , 1995 , p 43 – 49 10.1016/0924-0136(94)01631-A 2.34 Oenoki T. and Otani T. , Development of...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290207
EISBN: 978-1-62708-306-5
... the number of units produced need to be large enough to justify the equipment investment. These machines are extremely rigid and allow for accurate hole location and normality. They are numerically controlled (NC), so there is no need for drill templates. Some have a vision system that can scan the...
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
... measuring machines, and three-dimensional automatic inspection stations (machine vision systems). Porosity is a common defect in castings and takes many forms. An example of gas porosity is shown in Fig. 1(b) . Pores may be connected to the surface, where they can be detected by dye penetrant...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110144
EISBN: 978-1-62708-247-1
... pocket polishing machine now incorporates a dual band interferometer, microscope, multiple view and alignment cameras for target and machine vision monitoring with overlay for X-ray images, electronic and optical endpoint determination, coolant dispense and suction, thermal stage control, interactive...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110153
EISBN: 978-1-62708-247-1
... machine vision monitoring with overlay for X-ray images, electronic and optical endpoint determination, coolant dispense and suction, thermal stage control, interactive loading force sensors, 5-axis control of the stage, bit exchangers, and so on ( Figures 13 - 16 ). The trend is to move towards...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720345
EISBN: 978-1-62708-305-8
... vision and judgment led to its replacement by eddy current and ultrasonic methods. The magnetic particle method is still used in the mill to help establish the precise location of flaws previously detected by other inspection methods. Liquid penetrants (visible dye and fluorescent) are ordinarily...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980551
EISBN: 978-1-62708-342-3
.... In order to develop a practical and acceptable QMS, the opportunities within ISO 9000 should be used. Modern quality techniques can be readily used as supplementary methods within the 20 elements of ISO 9001. This provides the basic procedures: Definition of the vision of the quality...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410151
EISBN: 978-1-62708-280-8
.... Cores are automatically picked up from the core racks and positioned in the mold. Molds are also air-blown before they are closed by the robot head to eliminate any loose sand or aluminum foil stuck in the mold. Vision robots can also be programmed to inspect for any missing cores or misaligned cores...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850267
EISBN: 978-1-62708-260-0
..., ” Met. Prog. , vol. 68 , July 1955 , pp. 88 – 89 . 82. Brobery E. , and Attermo R. : “ A Miniature Tensile-Testing Machine for Deformation During Microscopic Observation, ” Jernkontorets Ann. , vol. 152 , no. 10 , 1968 , pp. 525 – 526 . 83. Jacobson J. W...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870119
EISBN: 978-1-62708-314-0
... several trade names, the most common being Mylar by DuPont.) The boPET sheets can then be used to support the preimpregnated ply as it is moved to the lay-up. Some manufacturers improve the quality and productivity by building their own impregnation machines. One simple example is shown in Fig. 5.2 , in...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300363
EISBN: 978-1-62708-323-2
... vision results for many people require intervention. It is estimated that 61% of the world’s population wears glasses or contact lenses. The latter is a major effort in tribology, and it was an $11.5 billion industry in 2017. The lid-versus-contact tribosystem and the eye-surface-versus-contact-lens...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250129
EISBN: 978-1-62708-287-7
... founders on the 10th anniversary of the industry. The individuals listed as founders were those “whose vision, perseverance and effort made possible the birth of the titanium metals industry.” For the most part, the founders were involved in the very early years, and many individuals who had made...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110042
EISBN: 978-1-62708-247-1
... 54% to the end of the plot. The transmission is actually quite good to about 9 microns wavelength where there is an oxygen absorption dip, and it persists to longer wavelengths. Silicon is commonly used for lens material for 3 – 5 micron military night vision application. Silicon’s very high index of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130151
EISBN: 978-1-62708-284-6
.... , Spinelli D. , and Bose Filho W.W. , Metais—Uma Visão Objetiva (Metals A Vision Object) Suprema , 2004 , p 148 – 149 , 161 – 162 8. Gases in Metals , Casting , Vol 15 , ASM Handbook , ASM International , 1988 , p 175 – 189 9. Inclusion-Forming Reactions , Casting , Vol 15...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.9781627083423
EISBN: 978-1-62708-342-3
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290023
EISBN: 978-1-62708-306-5
... intermediate profile with some surface cleaning and fairly balanced distribution of heat from the arc in the welding electrode and in the workpiece The welding machine, or power source, is the crux of the SMAW process. Its primary purpose is to provide electrical power of the proper current and voltage...