Grinding Machine Telescope
Sunday, August 7th, 2011
ROKAMAT “TITANO” – Telescope Grinder / Teleskopschleifer [Original Video]
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Machine For Grinding Grain $49.99 Machine For Grinding Grain – Giclee Print |
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Telescope $5.99 Telescope |
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TELESCOPE: TELESCOPE $9.03 TELESCOPE: TELESCOPE |
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Principles of Modern Grinding Technology $195 This book provides insights into modern grinding technology based on wide research and experience. It provides a concise treatment of the principles involved and shows how these lead on to the latest technology developments. The reader learns how to achieve high precision, fast removal rates, and reduced costs. Every aspect of the grinding process and machine comes under the searchlight to show step improvements. Superb grinding machines now produce optical quality finishes due to developments in process control and machine design. It is the same for extremely high removal rates. This book shows how best quality can be improved and costs brought down at the same time as output is increased. The book is aimed at practitioners, engineers, researchers, students, and teachers. The approach is direct, concise and authoritative. Progressing through each major element of the grinding system and then on to machine developments and process control, the reader becomes aware of all aspects of operation and design. Trends are described demonstrating key features. Covered topics include abrasives and super-abrasives, wheel design, dressing technology, machine accuracy and productivity, grinding machine design, high-speed grinding technology, cost optimization, ultra-precision grinding, process control developments, vibration control, coolants, and fluid delivery. Advances in the field are supported with references to leading research. Analysis is presented in later chapters and appendixes with new contributions to machine design, intelligent control, centerless grinding, fluid delivery, cost analysis, and thermal analysis for prediction and control of grinding temperatures. By selecting the right conditions, extremely high removal rates are achieved accompanied by low temperatures. ABOUT THE AUTHOR W. Brian Rowe is a research and consulting engineer, previously Professor and Director of Advanced Manufacturing Technology and Tribology Research Laboratory (AMTTREL) at Liverpool John Moores University in the UK. A multiple recipient of prizes from The Institution of Mechanical Engineers (IMECHE), Dr. Rowe has four decades of experience in academic and industrial positions concerned with machine tools, grinding processes, and tribology. His accomplishments include over 250 published papers, several books, international visiting professorships, and international consulting in industry. Trends in high precision and high speed grinding are explored Principles underlying improvements in machines and processes are explained Numerically worked examples give scale to essential process parameters Recent research findings and original contributions to knowledge are included A number of ultra-precision grinding machine developments are included |
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Amateur Telescope Making in the Internet Age $34.95 Building an astronomical telescope offers the amateur astronomer an exciting challenge, with the possibility of ending up with a far bigger and better telescope than could have been afforded otherwise. In the past, the starting point has always been the grinding and polishing of at least the primary mirror, a difficult and immensely time-consuming process. But now that the Internet has brought us together in a global village, purchasing off-the-shelf goods such as parabolic mirrors, eyepieces, lenses, and telescope tubes, is possible. There are also a vast number of used mirrors and lenses out there, and it is now possible to track them down almost anywhere in the world. Online stores and auction houses have facilitated commerce regarding all sorts of useful optical components at a reasonable price. This is a book about making telescopes from available parts. It provides guidance on where to look and what to look for in selecting items useful for telescope making and explains how to assemble these components to produce an excellent instrument on a tight budget. At one time, many amateurs made their own telescopes from home-made parts. In today's rushed world, that has almost become a lost art. The Internet offers a wonderful alternative to either buying a pricey scope fully assembled or making your own from scratch. |
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Orion StarBlast 4.5 Astro Telescope $199.95 The Orion StarBlast 4.5 Astro Telescope is a professionally designed machine for beginning stargazers. With its 18″ tube and 114mm parabolic mirror, finding celestial beings is simple. The StarBlast 4.5 Orion Telescope comes fully assembled, and the EZ Finder II red dot finder scope takes the guesswork out of positioning. Cannot ship to California addresses.Ships to the U.S. including Alaska, Hawaii, and Puerto Rico. Orion StarBlast 4.5 Astro Reflector Telescope Launch a lifetime of stargazing with this compact, ready-to-use telescopeTop-notch optics show you the moon, the planets, the stars and moreScope comes fully assembled so you can go from box to backyard in minutesHigh-quality optics, point-and-view ease of use, remarkable portability, all for less than $200Your ticket to space-tourism without the zero-G nausea Maybe it’s because many of us started out with those frustrating little department store refractors, but at Orion we strive to offer quality telescopes for beginners that are easy to use and will inspire their natural inclination to explore. The Orion StarBlast 4.5 Astro Telescope is one such telescope. Pint-sized in stature, it’s a real reflecting telescope that’s super-simple to use and yet manufactured with the kind of quality you’d expect in more expensive models. The Orion telescope StarBlast is a point-and-view telescope that swivels smoothly on its sturdy, low-profile base. No complicated setup is required. In fact, it comes pre-assembled and ready for action right out of the box! Just carry the Orion StarBlast 4.5 astro telescope outdoors by its built-in handle, place it on the ground or on a picnic bench, and let the fun begin! Inside the StarBlast’s 18″-long steel tube are real, quality telescope optics, including a 114mm (4.5″) parabolic mirror. Inside the Orion Astro are the two Explorer II telescope eyepieces, from which upcoming sky watchers will see spectacular views of the Moon’s craters, the planets, star clusters, and lots of other exotic space stuff. Aiming the Orion StarBlast is easy with the EZ Finder II “red dot” finder scope. The package also includes an eyepiece rack and a snap-on dust cap. The Orion StarBlast will not only give beginners hour after hour of fun, but will also nurture their interest in the night sky. One-year limited warranty.This item cannot be shipped internationally due to its size and weight. Buy the Orion StarBlast 4.5 Astro Telescope, and explore the magnificent galaxy with the pre-assembled beginner’s telescope. |
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Meade® ETX-80BB Backpack Observatory Telescope $319 The Meade ETX-80BB Backpack Observatory Telescope is an unbelievable 12 lb in total, including the tripod, and comes with a sturdy backpack carrying case that fits both the telescope and its accessories. With its incredible 80mm objective lens and built-in motor, you don’t have to sacrifice quality for portability. The Meade Telescope ETX-80 is a must-have for traveling astronomers. This Discovery exclusive Meade ETX-80BB Backpack Observatory Telescope – including a built-in Barlow lens, field compass, travel backpack and more – reveals the wonders of our planetary neighbors and beyond. Features:Ideal for both terrestrial and astronomical observationsPowerful, 80mm objective lens delivers bright, high-res imagesAutostar Computer Controller system lets you browse and automatically locate more than 1,400 celestial objects at the touch of a button – including satellitesBuilt-in motor tracks objects and compensates for Earth’s movementAutostar includes guided tours for immediate experience viewing stars and makes suggestions for best eyepiece selectionFlip-mirror system delivers amazing clarityPortable and lightweight – only 7.5 lb (without tripod)1 year manufacturer’s warrantyIncludes:Includes 9.7 and 26mm super Plossl eyepiecesBuilt-in Barlow lens doubles eyepiece powerComputer control panel featuring auxiliary input port and on/off LEDSturdy, aluminum field tripod with bubble level indicatorBuilt-in timer and reminder alarm for use with astrophotography applicationsAccessories include dew shield, compass & erecting prismDurable backpack has room for telescope and all accessoriesWith the ETX-80BB Meade Telescope Backpack Observatory, you can observe the feather structure of an eagle from 50 yd or study the rings of Saturn from a distance of 800 million miles. Then focus beyond the solar system to the universe of nebulae, remote galaxies and ancient star clusters. The Meade ETX 80 is an adventure of discovery the whole family can enjoy, in the backyard or wherever your travels take you. This item cannot be shipped internationally due to size and weight. Shop for the Meade ETX-80BB Backpack Observatory Telescope, and go where your heart takes you as this quality crafted machine is only 12 lb. |
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Grinding It Out $7.43 Grinding It Out |
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The History of the Telescope $22.36 The History of the Telescope |
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The Origins of the Telescope $44.05 The Origins of the Telescope |
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The Perfect Machine $12.99 Almost a half-century after is completion, the 200-inch Palomar telescope remains an unparalleled combination of vast scale and microscope detail. As huge as the Pantheon of Rome and as heavy as the Statue of Liberty, this magnificent instrument is so precisely built that its seventeen-foot mirror was hand-polished to a tolerance of 2/1,000,000 of an inch. The telescope’s construction drove some to the brink of madness, made others fearful that mortals might glimpse heaven, and transfixed an entire nation. Ronald Florence weaves into his account of the creation of “the perfect machine” a stirring chronicle of the birth of Big Science and a poignant rendering of an America mired in the depression yet reaching for the stars. |
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Grinders : Cylindrical Grinder, Surface Grinding, Blade Grinder, Angle Grinder, Grinding Machine, Tool and Cutter Grinder, Belt Sander $9.53 No Synopsis Available |
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Grinding Corn $49.99 Grinding Corn – Giclee Print |
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Grinding Tool $24.99 Grinding Tool – Premium Poster |
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Telescope, 1900 $49.99 Telescope, 1900 – Giclee Print |