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Rough Grinding Leaves Smooth Edge - an .Diese Seite übersetzen

Help. I found that when I rough ground the primary mirror for an 8" newtonian that I had a ring of about 3/8 of an inch at the very outside of the mirror that took a long time to grind.

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Help ! rough grinding 16" mirror - ATM, Optics .Diese Seite übersetzen

13.07.2014 · Help ! rough grinding 16" mirror - posted in ATM, Optics and DIY Forum: Hello, Grinding a 16 blank, plate glass ... → ATM, Optics and DIY Forum CNers have asked about a donation box for Cloudy Nights over the years, so here you go ...

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Metallographic Grinder/Polisher Machines — Mager Scientific

The ATM Stone Grinder is a water cooled, high speed machine for quickly plane grinding samples in a specimen holder. The coarse grit grinding stone turns at 1700 rpm to plane grind a typical batch of samples in less than 30 seconds. Both mounted and unmounted specimens .

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Stellafane ATM: Fine Grinding

Hogging out, or rough grinding, removed a lot of glass in a short time with very coarse grit, but that left a very rough surface behind. Fine grinding, and later polishing, has as a major goal to smooth that surface through a series of successive refinements. The criteria for switching grits, therefore, is:

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Rough Grinding UseDiese Seite übersetzen

Stellafane ATM: Rough Grinding. This page describes the rough grinding process. Before You Start. Use this checklist to make sure you are ready to start rough grinding: You have selected a mirror diameter and focal ratio, and have use these to calculate a target sagitta.

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Mirror grinding - scope making

"Painting" the whole tool with epoxy or boat varnish will be just fine. On all the ATM webpage's and books you will see neat, equally sized, equally spaced tiles. The key to successful mirror grinding is randomness in stroke numbers and tool and disc rotation.

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Rough Grinding Guide - stichtingideeleadvisering

rough grinding machine pdf – Grinding Mill China. Basics of Grinding Fundamental Manufacturing Processes Video Series Study Guide 2 Another aspect of grinding wheels is their pore structure or density, which » Learn More. automatic rough castings grinding machines.

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Joy of Mirror Making: Introduction

Rough Grinding. Unless the mirror comes pre-generated, the initial curve will have to be ground into the mirror. A ring tool of half the diameter of the mirror used on top of the mirror's flat face with the coarsest grit will rapidly grind a spherical curve into the mirror. Grinding a 6 .

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Homemade Porn For My Wife on Vimeo

Alone at home filming myself doing all the stuff that gets my wife all hot and bothered.

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Newport Glass Works, LTD. Grinding, Polishing and Figuring ...

Find something that can act as a gauge is a drill bit). Check the progress of rough grinding by slipping the gauge under a straightedge placed across your mirror. Rough grinding usually produces a grossly hyperbolic curve. Toward the end of rough grinding, start using shorter strokes to produce a smoother, more spherical curve.

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Rough grinding a 6 inch mirror - ATM, Optics and DIY Forum ...

4/20/2005 · Rough grinding a 6 inch mirror - posted in ATM, Optics and DIY Forum: I am following Texereaus book. I am rough grinding a 6 inch mirror an went from a chord stroke to a center over center stroke a little late in my rough grinding.

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Rough Grinding – Fine Grinding | Telescope .Diese Seite übersetzen

I built a "grinding board." It raises the grinding level seven inches above the table top for the sake of my back. I made it out of particle board scrap. I found a 17" round of pine at Home Depot for $4. The disk sits on three furniture slides hammered into the particle board box..

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Popular Videos - Amateur telescope making & Grinding - YouTube

Amateur telescope making - Topic; About; Home Trending History

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Rough Grinding 70 - zespollexer.pl

Rough Grinding Stone Wow. Rough Grinding Stone Item World of Warcraft Wowhead Comment by drassie Amazing to start out BSing Will go all the way to 85 The points start to get scarce around 70 though. Online Chat Grinding Abrasive CuttingWikipedia

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Rough Grinding – Fine Grinding | Telescope Building

I built a "grinding board." It raises the grinding level seven inches above the table top for the sake of my back. I made it out of particle board scrap. I found a 17" round of pine at Home Depot for $4. The disk sits on three furniture slides hammered into the particle board box..

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Fast Mirror Grinding & Polishing - The ATMs .Diese Seite übersetzen

There are numerous techniques that have been described over the years for grinding and polishing mirrors. Some of these techniques have been devised for the specific purpose of making the mirror grinding and polishing operations easier or faster. I have tried out many of these ideas and techniques at one time or another.

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Fast Mirror Grinding & Polishing - The ATMs Workshop

11/15/2001 · Fast Mirror Grinding and Polishing Miscellaneous Tips and Techniques . John D. Upton ... Rough grinding operations are most effective when the coarse grit rolls between the tool and the glass causing a fracturing of the surface. ... Polishing pads applied to a 9 inch grinding tool. Another local ATM has also tried the polishing pads with ...

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Build your own telescope part 1: The mirror – .Diese Seite übersetzen

Whether you buy or cast your own blank, it often turns up to have rough sides with marks left from the kiln. The first thing you want to do is to flatten one side (it will become the back) by grinding it against a flat piece of glass (e.g. a old window).

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stellafane atm fine grinding - Wmo Werkplaats Friesland

Stellafane ATM: Fine Grinding You have completed Rough Grinding, and all the tools and materials used in rough ... With any glass grinding operation, ... Obter preço. Grinding Machine Microscope .

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First version of the grinding machine - martin-cibulski.de

Grinding and polishing of a 14" mirror: I began to smooth the pregenerated curve of my 14" mirror using a rectangular piece of iron mounted under a round plywood disk. Rough grinding with 60 grit worked well this way and the machine could handle much pressure on the tool. I .

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