Home / shadowgraph inspection of glass

shadowgraph inspection of glass

Midland Metrology Ltd | used inspection equipment, used ...

About us. Midland Metrology Ltd was formed in 1987 to provide a "Total Service to Industry" and is located in the heart of England. We can supply, service and calibrate a wide range of both new and used or pre-owned measuring equipment.

Get Price

shadowgraph machine profile inspection - ej-fotografie.nl

shadowgraph machine profile inspection grantaglio.eu. shadowgraph machine profile inspection; shadowgraph machine profile inspection. Quality Test & Inspection: Noncontact . 29-1-2010 · The oldest of the noncontact inspection systems commonly used today is the optical comparator-commonly called a shadowgraph a couple of generations back.

Get Price

MITUTOYO Optical Comparators - Grainger Industrial Supply

Use a high quality optical comparator from Grainger to inspect a broad range of manufactured parts for quality control purposes. Using optical measures, the comparator projects a magnified image of the part onto a glass screen so two-dimensional measurements can be …

Get Price

VisionGauge® Digital Optical Comparators - Profile Projectors

The Fastest, Easiest, Most Accurate Way to Compare a Part to a CAD File™ VisionGauge® Digital Optical Comparators / Profile Projectors are fully-digital drop-in replacements for traditional optical comparators that allow you to quickly, easily, and very accurately compare a part with its CAD drawing.

Get Price

(PDF) Measurement and simulation of striae in optical glass

The samples are representative of the striae quality grades, called shadowgraph grades here, defined by Schott Glass Technologies and used daily to control production of optical glass and to ...

Get Price

TIE-25 Striae in optical glass 2006 - schott.com

Figure 4: Striae testing using the shadowgraph method. Striae samples cut from standard strip glass have a defined optical path length of 50 mm in application direction. Block glass will be inspected at ~200 mm optical path length. The sample must be rotated by ±45° with respect to the incident beam until the striae are most prominent.

Get Price

Vision Measuring Machines / Projectors / Shadowgraphs ...

Video 2D/3D Measuring Machines - Projectors / Shadowgraphs. Shadowgraphs and Projectors now have a seperate page. Video, Optical, Camera based non contact coordinate measuring systems.Two dimensional and three dimensional video coordinate measuring systems, Manual or CNC and many other options including Renishaw touch probe, toolchange rack etc.

Get Price

Kneisley Manufacturing – Products

This equipment was designed expressly for Shadowgraph inspection of plate glass and is used by the world's leading manufacturers, but has also been used in the inspection of polymers and automotive mirror glass. The equipment works by shining the brilliant white light (which approximates sunlight) directly through a glass sheet causing striae ...

Get Price

Sonic Equipment Company | Products

Shadowgraph. This equipment was designed expressly for Shadowgraph inspection of plate glass and is used by the world's leading glass manufacturers. Shining the brilliant white light, which approximates sunlight, directly through a glass sheet causes striae, or 'seeds', and other imperfections to cast shadows on a back drop.

Get Price

Profile Projectors :: Shadowgraphs and digital profile ...

DP Digital profile projector (shadowgraph) positions imported DXF files accurately over the image of your workpiece. Circles, lines & angles are defined directly on-screen allowing high quality dimensional measurement at top speed.

Get Price

Quality 101: Optical Comparator Basics

Jun 01, 2005· The profile projector, or optical comparator, has been a powerful tool for inspectors since it was first produced by Baush & Lomb in Rochester, NY. What it did was simple: It magnified the image. It was a simple "shadow graph," a name still used by many machinists. Of the lenses available, 10X and ...

Get Price

supplier shadow graph equipment - ilmercantello.it

Shadowgraph. This equipment was designed expressly for Shadowgraph inspection of plate glass and is used by the world''s leading glass manufacturers. Shining the brilliant white light, which approximates sunlight, directly through a glass sheet causes striae, or ''seeds'', and . Industrial Machinery Dealer Manufacturers, Suppliers

Get Price

TIE-43 Optical properties of Zerodur - RefractiveIndex.INFO

TIE-43: Optical Properties of ZERODUR® DATE November 2007 PAGE 8/12 Figure 5: Homogeneity map of a 250 mm diameter ZERODUR® disc 3.2 Striae Striae in optical glass are inspected and characterized using the shadowgraph method [7].

Get Price

Profile Projector / Shadowgraphs : Purdue Metrology

Baty R14 - Profile Projector / Shadowgraph. The Baty R14 bench mount profile projector / optical comparitor with its 340mm screen combines high accuracy non-contact measurement and inspection with a large 175mm x 100mm measuring range. We often have special offers on the R14 profile projector please Enquire Choice of digital readouts and optional automatic profile edge detection.

Get Price

Measurement and Simulation of Striae in Optical Glass

Measurement and Simulation of Striae in Optical Glass H. Gross a, M. Hofmann b, R. Jedamzik c, P. Hartmann c, S. Sinzinger d aCarl Zeiss AG, Central R&D, Op tical Design, 73446 Oberkochen, Germany ...

Get Price

supplier shadow graph equipment - kinderausstattung-rudolph.de

Supplier Shadow Graph Equipment. Sonic Equipment Company Shadowgraph. Shadowgraph. This equipment was designed expressly for Shadowgraph inspection of plate glass and is used by the world's leading glass manufacturers. Shining the brilliant white light, which approximates sunlight, directly through a glass sheet causes striae, or 'seeds ...

Get Price

V-12B - 12" vertical optical comparators with movable heads

V-12B - 12" vertical optical comparators with movable heads. Nikon's benchtop optical comparator with enhanced features for improved precision and ease of operation. Nobody knows better than Nikon how to combine greater precision with easier operation; so you can concentrate on your project and not on your equipment.

Get Price

Working at AMC - Inspection

Inspection Precision measuring instruments. The inspection department (or view room as it was also called) was a glass panelled area situated on the ground floor, close to the factory entrance (later moved to make space for the semi-auto machines), and was responsible for checking samples from each batch of components of manufactured components.

Get Price

USED METROLOGY EQUIPMENT - WESTERN TOOLING BRISTOL

Come and visit our extensive showrooms situated in central Bristol. By appointment only. Perhaps you have an item of metrology equipment which is no longer used, a part exchange maybe considered against items on our stocklist.

Get Price

Schlieren and Shadowgraph Techniques - Visualizing ...

"Schlieren and shadowgraph techniques are basic and valuable tools in various scientific and engineering disciplines. They allow us to see the invisible: the optical inhomogeneities in transparent media like air, water and glass that otherwise cause only ghostly distortions of our normal vision.

Get Price

Deltronic | Optical Comparators, Profile Projector Models

Deltronic Optical Comparators set the standard for non-contact optical metrology in cost-effective applications for a global market.

Get Price

Optical comparators measure more than simple dimensions

Optical comparators, for those unfamiliar with them, are inspection machines that project magnified images of parts onto a glass screen using illumination sources, lenses and mirrors for the primary purpose of making 2-D measurements.

Get Price

Optical Characterization of Window Materials for …

differs from that of the surrounding glass. Shadowgraphy is a viable, economic choice for measuring striae. The three-meter shadowgraph has been reported by Stroud [2] to be used by Schott Glass for routine striae inspection. Schlieren and shadowgraph systems have been used to perform qualitative evaluations, and found to complement each other ...

Get Price

Flat Glass Inspection Criteria per ASTM C 1036 – 06 (abridged)

Flat Glass Inspection Criteria per ASTM C 1036 – 06 (abridged). 1. Terminology: crush,—lightly pitted condition with a dull gray appearance. dig,—deep, short scratch . dirt,—small particle of foreign matter embedded in the surface of flat glass.

Get Price

Visual Inspection Products, Inc.: optical,comparator ...

Visual Inspection Products, Inc. - visual inspection products offers a complete line of replacement glass optical comparator charts and mylar overlays for all optical comparators

Get Price

Supplier Shadow Graph Equipment - stichtingkornalijn.nl

Shadowgraph. This equipment was designed expressly for Shadowgraph inspection of plate glass and is used by the world's leading glass manufacturers. Shining the brilliant white light, which approximates sunlight, directly through a glass sheet causes striae, or 'seeds', and . Shadowgraph, Shadowgraph Suppliers and Manufacturers at

Get Price

SHADOWGRAPH TECHNIQUE - Thermopedia

The shadowgraph is the simplest form of optical system suitable for observing a flow exhibiting variations of the fluid density. In principle, the system does not need any optical component except a light source and a recording plane onto which to project the shadow of the varying density field ().A shadow effect is generated because a light ray is refractively deflected so that the position ...

Get Price

Overlay Charts - ogpnet.com

QVI optical comparator charts are produced from CAD generated masters scribed on a high precision plotter for uniform line weight and accurate location. Replacement screens are made of glass, while overscreen charts are made of dimensionally stable plastic. Plastic charts are produced with our exclusive Permaline sealed image process.

Get Price

Optical Comparator Charts - Visual Inspection Products ...

Welcome to Visual Inspection Products, LLC Visual Inspection Products is The leading manufacturer of all optical comparator charts, optical comparator screens and overlays in North America. Since 1954, we have been a part of the Quality Assurance Industry, satisfying the needs of a wide variety of customers in an equally wide variety of industries.

Get Price