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automated optical inspection systems

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Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006447
EISBN: 978-1-62708-190-0
... on automated optical inspection systems. visual inspection direct visual examination indirect visual examination rigid borescopes fiberscopes videoscopes automated optical inspection systems unmanned aerial vehicles VISUAL INSPECTION (VI) is the oldest inspection technique man has used...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006967
EISBN: 978-1-62708-439-0
..., these surfaces are more difficult to describe mathematically. This impacts the number of points required from inspection to effectively characterize the surface for tolerance evaluation and component verification. This often means long cycle times for traditional inspection methods, which can make optical...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003228
EISBN: 978-1-62708-199-3
... Abstract This article reviews nondestructive testing (NDT) and inspection techniques, namely liquid penetrant, magnetic particle, ultrasonics, X-ray, eddy current, visual and radiography that are commonly used to detect and evaluate flaws or leaks in an engineering system. This article compares...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006336
EISBN: 978-1-62708-179-5
... an arrangement of simple tanks containing penetrant, emulsifier, and developer, to sophisticated computer-controlled automated processing and inspection systems. All of these steps may be adjusted to produce a satisfactory technique, depending on the surface quality of the part and the type and size...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
... in Fig. 6 . Fig. 5 Automated ultrasonic inspection system with a turntable Fig. 6 Independent side automated ultrasonic scanning system An important feature when choosing an ultrasonic scanning system is the ability of the system to provide 1-to-1 flaw sizing on complex curved...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001479
EISBN: 978-1-62708-173-3
... the curve that forms as this plane intersects the surface of a soldered joint. The system scans soldered joints by moving an x-y table back and forth under the laser assembly. The entire inspection system, including the laser optics and table, is attached to a granite block that floats on a bed of air...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003436
EISBN: 978-1-62708-195-5
... 10° of part misalignment. Automated systems for PE scanning thus usually require more axes of motion and more complex motion software or require contact with the part surface, with the transducer mounted in a free-gimbaled bubbler (which limits inspection near the edges). Pulse-echo is mainly used...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.9781627081900
EISBN: 978-1-62708-190-0
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005355
EISBN: 978-1-62708-187-0
... Abstract After solidification and cooling, further processing and finishing of the castings are required. This article describes the general operations of shakeout, grinding, cleaning, and inspection of castings, with particular emphasis on automation technology. It illustrates the vertical...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003434
EISBN: 978-1-62708-195-5
.... Such a fully automated system would reduce quality-control requirements to first-part qualification, limited process monitoring, and final inspection. The use of automated tape-laying or fiber- placement machines further automates the process by continuing the numerical process through the final lay-up...
Book Chapter

Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006474
EISBN: 978-1-62708-190-0
..., and these methods in turn dictate the application of the systems to nondestructive inspection. Neither of these two types of systems relies on the interferometric techniques of optical holographic inspection, in which information on flaws at or near the surface of a test object is obtained from the pattern formed...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006460
EISBN: 978-1-62708-190-0
... revolution. Laser-ultrasonics is a particular implementation of ultrasonic nondestructive inspection in which ultrasound is generated and detected by lasers. The piezoelectric transducer widely used in the usual or conventional inspection by ultrasound is replaced by a laser and optical system. Because...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006445
EISBN: 978-1-62708-190-0
... No Highly flexible Not reliable; surface flaws only Magnaflux automated Magnetic disturbance at flaw/camera Image analysis/image comparison Surfaces Surfaces, corners No Training of system very difficult; surface flaws only Visual inspection automated Optical/camera Image analysis/image...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0007023
EISBN: 978-1-62708-439-0
... in laser powder-bed fusion/directed-energy deposition. IR, infrared; CMM, coordinate measuring machine; GOM, 3D inspection software The table shows that the methods are predominantly based on infrared or high-speed camera and optical technologies with thermal systems monitoring temperature gradients...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001398
EISBN: 978-1-62708-173-3
... system, shows two lasers with coaxial beams: a He-Ne 0.5 mW visible beam and a Nd:YAG 50 W “heating” beam emitting at a 1.06 μm wavelength. After traveling through an optical fiber, these two beams are focused on the solder joint to be formed. At the same time, the IR (thermal) radiation emitted...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006978
EISBN: 978-1-62708-439-0
.... If the inspection system is integrated with the AM controls, it is possible to implement a time delay for inspection. In some directed-energy deposition (DED) systems, cooling time is desired between layers. In PBF, build interruption is typically deleterious, causing a visible demarcation in the part, which...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006439
EISBN: 978-1-62708-190-0
... Abstract Machine vision, also referred to as computer vision or intelligent vision, is a means of simulating the image recognition and analysis capabilities of the human eye and brain system with digital techniques. The machine vision functionality is extremely useful in inspection, supervision...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006443
EISBN: 978-1-62708-190-0
... with an example that illustrates the integration of an ultrasonic reliability model with a CAD system. non-destructive evaluation process control reliability ultrasonic inspection model eddy current inspection model radiographic inspection model ultrasonic reliability model CAD system flaw detection...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005600
EISBN: 978-1-62708-174-0
... gas metal arc welding source hybrid laser arc welding hybrid welding head and motion system inspection joint design laser beam welding laser source metal joining penetration mode quality control safety concerns stabilization mode weld pool welding consumables welding parameters...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004215
EISBN: 978-1-62708-184-9
... formalized as knowledge of likely deterioration mechanisms improved and as plant failures became better understood. This led to the setting of standard periods of inspection for a range of plant equipment, largely triggered by instances of boiler and steam system failures. By the 1980s, instances...