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Ultra-precision grinding - ScienceDirect

01.01.2010 · In ultra-precision grinding the application of grooved grinding wheels is mainly surface finishing, wafer grinding, thinning and mirror grinding with cup wheels. 4.2.4. Dicing blades. Dicing blades with thickness of 10 μm–1 mm are used for precision cut-off grinding.

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Mike's Telescope Workshop - mdpubDeze pagina vertalen

This is my home-built edge grinding machine for grinding down my home-cast mirror blanks. Click to see the whole project. This is a 12.5 inch diameter, 1.5 inch thick, light-weight honeycomb-back telescope mirror blank that I made myself. The blank only weighs 10 lbs, 4 oz.

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Mirror Grinding 95mm. F-5 - YouTubeDeze pagina vertalen

6-8-2009 · Mirror Grinding

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Mirror grinding machine - The Home Shop .

Mirror grinding machine 05-14-2004, 06:04 PM. Have any of you ever built one of these? I have a 3hp motor and a 20:1 worm drive that I think could probably be used for such a device. Looking for ideas on what to look out for when building and deffinetly what not to do. Am planning on a steel 2 X 2 frame and as large a turntable as 3 hp could turn. Also thought of having the table swivel to ...

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Mirror Grinding Machine - ATM, Optics and DIY .

29.09.2010 · Mirror Grinding Machine - posted in ATM, Optics and DIY Forum: I have some interest in building a grinding machine for possible up to an 18 mirror, but something that will also do a 6 or 8 mirror. I have plans for the Mir O Matic but would like to do something a bit more modern. I have some ideas about using a AC drive and a large aluminum disk for the turntable and have made a parts list .

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Glass and Mirror Grinding - C.R. Laurence

Grinding Wheels: Dry Abrasive Belts: Sanding Discs: Diamond Abrasive Products: Wet Abrasive Belts: Diamond Edging: Hand Beveling: Hand Held Sanding Tools: Portable Tools. Portable Sanders, Polishers and Parts : 1/2" x 18" Sanders: 3/8" x 21" Sanders: 1-1/8" x 21" Sanders: 3" x 18" Sanders: 3" x 21" Sanders: 3" x 24" Sanders: 4" x 24" Sanders: Small Disc Sanders: Large Disc Sanders: Finishing ...

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Mirror grinding grits in chennai - Google Groups

Mirror grinding grits in chennai Showing 1-15 of 15 messages. Mirror grinding grits in chennai: Joseph Sasikumar: 3/19/15 11:23 PM: Hi All, I am Joseph from Chennai. Does anybody know any shop/place in Chennai where I can get mirror grinding grits of the needed specifications? I checked carborundum universal website but there was no info on powdered abrasives. Any help is very much appreciated ...

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Mirror grinding - scope making

You might purchase a mirror grinding kit, and have everything you need included. If such a kit is unavailable, you need to do some scrounging. You can order a 19 mm thick disc at your local glass shop. Such glass is usually used for tabletops and window displays. A ship porthole will also do very nicely. You can use sandblasting abrasives, make your own polishing pitch. Or even silver the ...

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CouderPrn - Mirror Grinding Machine

Be careful that you do not move the mirror. Turn the mask 90 degrees and measure all the odd numbered zones. The defaults are for a 15" mirror with 8 zones. To change it, use Edit > Description. CouderPrn.zip - 12 KB exe. (CouderPrn.exe zipped) The source code is also available as a Visual C++ 6.0 project file (zipped). CouderPrnProj.zip - The entire project. About 61 KB. I urge you to visit ...

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Parabolizing a Telescope Mirror - BBAstroDesigns

Luckily the mirror needed but a bit more parabolizing which was largely added during the subsequent work session. The mirror began figuring with a radius of curvature of 131.8 inches [3348cm], so the total shrinkage was 0.5 inches [13mm]. The Bartels' rule of smoothness first and always. No matter what goes on, strive for a smooth curve on the ...

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Mirror Grinding Machine [Archive] - IceInSpace

12.05.2007 · Ron Royal used to run a mirror grinding/telescope making class at Sydney Observatory. However, I think it ceased about 4 years ago. This was a class which went over about 8 weeks, 1 night a week, where you went and ground your own mirror and built an 8"/F8 scope. It used to cost just over $500 (all materials supplied). It was a great concept but the proliferation of cheap chinese/taiwanese ...

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How to grind a parabolic mirror for telescope ? | .Deze pagina vertalen

6-5-2010 · For a first project make a mirror in the 4" to 10" range of diameter. It'll take a few weekends. Grinding, polishing, figuring, and coating a small mirror in 1 day can be done, but will require some experience. In the US get the glass, abrasives, pitch, and polish from Newport, Willmann-Bell, or GotGrit. Their websites show some prices.

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Another Windows program for analyzing telescope mirrors. Parab was inspired by Jim Burrows' Sixtests and Dave Rowe's and James Lerch's FigureXP programs. Both seem to be inspired by Texereau's book. Parab was developed using Microsoft's developement tools and pretty much complies with the user interface that Bill Gates has mandated. There is an introduction and a brief user's manual. Download ...

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Grind Mobs - Official Wynncraft Wiki

Grind Mobs are especially tanky mobs that spawn in large numbers at specific locations. ... Mirror Cave at 1303, 100, -4310 Elusive Emissary 98 27150 Melee Vanish Fire: Weakness Air: Damage, Defense Thunder: Damage, Defense - Sky Islands, Mirror Cave at 1303, 100, -4310 Man in the Mirror 100 72000 Melee Charge, Tp Fire: Defense Air: Defense Water: Defense Earth: Defense Thunder: Defense - Sky ...

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San Francisco Sidewalk Astronomers - Notes from .

First, rough grind the mirror blank with coarse abrasive to get the basic curve. Do a basic check for the mirror's focal length. Then, fine grind the mirror blank with a succession of finer abrasives to get a smoother, more precise curve, and to get the mirror into the shape of a paraboloid. Use a pitch lap, together with a fine polishing agent (cerium oxide) to polish and smooth the surface ...

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Edge Grinding - Glass

Mirror Manufacturing. Edge Grinding; Bending and Tempering; Mirroring ; Attachment of Ceramic Pads; Packaging; Edge Grinding The 4 mm extra clear low iron glass is cut to the desired measurements to suit its thermal application. The glass is then drilled and edge-worked by CNC robots. The perfectly cut and beveled glass sheets are then cleaned to perfection in order to obtain a polished ...

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Mirror Grinding & Polishing - The SBAU Forum

14.01.2015 · Mirror Grinding & Polishing (Moderator: Tim C) Pages: [1] Go Down Subject Started by Replies Views Last post ; A method for making a tile tool for grinding mirrors: TT (wasPW) 0 2507 January 14, 2015, 07:44:37 AM by TT (wasPW) 8" donated mirror: Tim C: 0 2326 May 19, 2014, 07:04:35 PM by Tim C: Pages: [1] Go Up. The SBAU Forum > SBAU.ORG > SBAU Telescope Workshop > Mirror Grinding .

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Mirror grinding Table? - ATM, Optics and DIY .

04.08.2010 · Mirror grinding Table? - posted in ATM, Optics and DIY Forum: Does anyone have or know where to find a good design for a simple, light weight and easy to build mirror grinding table? Looking at the ones in the Delmarva post,something like this would be awesome. It would be great if it can be broken down for storage as space is at a premium in my place.

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Edge Grinding - Glass

Mirror Manufacturing. Edge Grinding; Bending and Tempering; Mirroring ; Attachment of Ceramic Pads; Packaging; Edge Grinding The 4 mm extra clear low iron glass is cut to the desired measurements to suit its thermal application. The glass is then drilled and edge-worked by CNC robots. The perfectly cut and beveled glass sheets are then cleaned to perfection in order to obtain a polished ...

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Mirror Grinding Machine

Another Windows program for analyzing telescope mirrors. Parab was inspired by Jim Burrows' Sixtests and Dave Rowe's and James Lerch's FigureXP programs. Both seem to be inspired by Texereau's book. Parab was developed using Microsoft's developement tools and pretty much complies with the user interface that Bill Gates has mandated. There is an introduction and a brief user's manual. Download ...

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