mirror grinding tool

Telescope Mirror Blank Clearance Items

Discounted Telescope Mirror Blanks, Mirror Grinding Tools, and oddsized blanks Discounted Mirror Blanks Big Savings! TelescopeMirrorBlanks sells discounted mirror blanks which have a few more surface scratches than normal, or more than average edge chipping these mirror blanks are perfectly usable, just a bit "aesthetically challenged" and these cosmetic flaws will in no way affect

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Telescope Mirror Making Frontier Homepage Powered by Yahoo

For grinding the back of my 12" mirror, I used an 8" disk of 3/4" particle board, glued tiles to the front with epoxy, and coated the back and sides with polyurethane. It worked great. I made my polishing tool for my 12" mirror out of three layers of 3/4" particle board glued together. I used a chisel and a belt sander to put a curve on the

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Wooden Telescope Part 1: the Mirror: 14 Steps (with Pictures)

By switching mirror on top / tool on top, we keep the shape of the mirror. At this stage, we can use finer grit. The courses are now reduced to 1/3 center over center. Mark the larger holes with a Sharpie and continue grinding until those are gone. That''s a sign that means you can switch for a finer grit. Go down to Silicon Carbide #320.

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AstroTel Mirror grinding machine

MIRROR GRINDING MACHINE. I made my first mirror grinding and polishing machine over thirty years ago. It used the working principle of the machine illustrated at "A" Fig.3, Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated was fitted to the spindle.

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SkyBadger Mirror Grinding Machine

The clamps hold the mirror centrally on the grinding platter, Freeing one should allow the mirror to be removed, cleaned and reset with out disturbing the centering. The tool for grinding was made from cutting a disk to the same size as the mirror from 3/4" plywood and using duck tape to create a

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MirroroMatic

Tools should be in the 75 to 80 percent of mirror diameter range. Smaller tools can be used for fine grinding if they are swept across the mirror surface enough to grind the mirror center. Sweeping the tool will require larger tool overhangs to maintain the neutral position mentioned below.

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org

Fixedpost machine grinding is where the mirror is on a turntable rotating around 20 PRM [speeds vary], and a 75% tool is on top. They are already curvegenerated. The tool is hanging over the mirror by 1/6 the diameter of the tool, or about 1/8 diameter of the mirror, and is fixed in this position.

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Glass and Mirror Grinding C.R. Laurence

C. R. Laurence is the world leader, wholesale distributor to the Glazing, Industrial, Construction, Architectural, Hardware and Automotive Industries, supplying railing, windscreen, standoffs, and other supplies to major industries and manufacturers.

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Amazon : Tools & Equipment: Automotive: Hand Tools

More about Automotive Tools. To take care of your vehicle, you are going to need a wide number of automotive tools. Fortunately, Amazon Automotive houses a wide selection of automotive tools that you can use to fix and enhance your car, truck, ATV, or RV.

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Telescope Mirror Blank Clearance Items

Discounted Telescope Mirror Blanks, Mirror Grinding Tools, and oddsized blanks Discounted Mirror Blanks Big Savings! TelescopeMirrorBlanks sells discounted mirror blanks which have a few more surface scratches than normal, or more than average edge chipping these mirror blanks are perfectly usable, just a bit "aesthetically challenged" and these cosmetic flaws will in no way affect

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How to Make Your Own Telescope Mirror instructables

This tool is called a pitch lap. It is made the same way as the penny tool you made to do the fine grinding except instead of pennies you will use "Pitch". [Fig 6] Here is a photo that shows the tool being pressed against the warmed pitch. It is resting on my mirror with aluminum foil between the tool and mirror so it doesnt stick.

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Build your own telescope part 1: The mirror – Thomas

The problem with thin mirrors is that they flex more easily during grinding and polishing, making it hard to achieve the required surface precision. They also need a more complex mirror cell (additional support points). Plop is a useful software to let you calculate the number of points needed based on the diameter and thickness of the glass:

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Telescope Mirror Kits firsthanddiscovery

Want to build your own telescope? Start with one of our telescope mirror kits. Each kit comes with a telescope mirror blank and all the abrasives (silicon carbide grits and white aluminum oxide powders), cerium oxide polish and pitch to grind and polish it to your specifiions.

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MirroroMatic

Tools should be in the 75 to 80 percent of mirror diameter range. Smaller tools can be used for fine grinding if they are swept across the mirror surface enough to grind the mirror center. Sweeping the tool will require larger tool overhangs to maintain the neutral position mentioned below.

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So you really want to build a Telescope Mirror. Astronomy

So you really want to build a Telescope Mirror. First is to put the grinding platform where you plan on using it and put the tool blank (or mirror in the case of the Plaster Tool method) on it and screw (don''t nail as you''re going to have to remove the cleats when you change grits) the 3 pieces of wood for the cleats about equidistant

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mirror grinding tool fietswereldmeulendijks

Fine Grinding the Mirror Sidewalk Astronomers. If the tool is much smaller than the mirror blank, the fine grinding and polishing should be done with the tool on top. It is a good idea to use lukewarm water during the last wets of fine grinding, and also during polishing.

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Making A TileOnPlaster Tool atmworkshop

Any warping of a wooden grinding tool base is very likely to cause trouble during the last stages of fine grinding. Even worse, such problems may not become apparent until you are well into polishing your mirror. That is not the time to have to make and break in a new grinding tool.

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Making a Dental Stone Tool Method of grinding of a mirror.

With this method, the first thing is to mostly grind out a roughly spherical hole in the mirror with a piece of iron (or other metal if desired) that is usually in a ring shape and then you make the Dental Stone tool and finish the grinding with the Dental Stone tool that you make.

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So you really want to build a Telescope Mirror. Astronomy

So you really want to build a Telescope Mirror. First is to put the grinding platform where you plan on using it and put the tool blank (or mirror in the case of the Plaster Tool method) on it and screw (don''t nail as you''re going to have to remove the cleats when you change grits) the 3 pieces of wood for the cleats about equidistant

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Mirror grinding Telescope making

The key to successful mirror grinding is randomness in stroke numbers and tool and disc rotation. Adding more randomness with a tile tool made from tiles that have been smashed with a

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Making a Dental Stone Tool Method of grinding of a mirror.

With this method, the first thing is to mostly grind out a roughly spherical hole in the mirror with a piece of iron (or other metal if desired) that is usually in a ring shape and then you make the Dental Stone tool and finish the grinding with the Dental Stone tool that you make.

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Moulding Knives, Templates, Molding Catalog by Mirror

Mirror Reflections is a moulding knife design and manufacturing company that produces some of the finest quality molding knives, profile templates and CAD (computeraided design) drawings in the woodworking industry.We are a reliable resource for superior quality cutters for the moulder or shaper and acrylic templates for profile knife grinders.

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Glass Cutters, Bottle Cutters, Glass Cutting Tools & Supplies

Glass cutters and hand tools are essential for almost any glass craft. Delphi carries a wide selection of cutting tools from basic hand cutters to advanced cutting systems to polishing hand tools to give your project a finished look. Delphi Makes It Easy: Learn how to cut art glass using handheld tools

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mirror grinding eBay

Find great deals on eBay for mirror grinding. Shop with confidence. Skip to main content. eBay Logo: 6mm Wool Special Felt Grinding Head Glass Mirror Buff Wheel Tool 50Pcs Shank 3mm See more like this. 2Pc 4" 180# Polishing Grinding Wheel Nylon Fiber Abrasive Tool For Mirror

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Mirror grinding tile tool ATM, Optics and DIY Forum

Jul 08, 2012 · Mirror grinding tile tool posted in ATM, Optics and DIY Forum: Hi all, Im about to begin crafting a mirror grinding tool out of plaster and tile. In researching how to make the tool, Ive ran across some conflicting instructions. Would I create the tool flat or make it convex in accordance to the final shape of my mirror (an 8 f/8 parabola)?

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making a tool for grinding a telescope mirror

Mar 18, 2014 · Please help support and donate https://com/cgibin/webscr I made a 8" tool for a 10" mirror with dental plaster for fine grinding.

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mirror grinding eBay

Find great deals on eBay for mirror grinding. Shop with confidence. Skip to main content. eBay Logo: 6mm Wool Special Felt Grinding Head Glass Mirror Buff Wheel Tool 50Pcs Shank 3mm See more like this. 2Pc 4" 180# Polishing Grinding Wheel Nylon Fiber Abrasive Tool For Mirror

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How I make Telescope Mirror Blanks mdpub

Now that I have several blanks made, it is time to grind and polish one into a telescope mirror and test it out. I can use one blank as the mirror and another as the grinding tool, and have a couple in reserve in case something goes horribly wrong during the grinding and polishing operations. I''ll post an update once a mirror is completed.

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Tile on plaster tool ATM pages of Berthold Hamburger

Obviously a plaster tool can be used perfectly as a pitch polishing tool. I usually pour the tools for laps after finishing grinding with #300 grit. The tool should be dry before pouring the pitch and rubbing it with turpentine will make the pitch stick better.

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Tile on plaster tool ATM pages of Berthold Hamburger

Obviously a plaster tool can be used perfectly as a pitch polishing tool. I usually pour the tools for laps after finishing grinding with #300 grit. The tool should be dry before pouring the pitch and rubbing it with turpentine will make the pitch stick better.

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making a tool for grinding a telescope mirror

Mar 18, 2014 · Please help support and donate https://com/cgibin/webscr I made a 8" tool for a 10" mirror with dental plaster for fine grinding.

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MIRROR MAKING: "HOW TO MAKE YOUR OWN TELESCOPE MIRROR BY

When ready to make a concave surface on the mirror you will need to have the mirrorglassblanc and glassgrinding tooldisk and grinding grit, place the "tool" on a wet cotton rag (to prevent slipping" on a level work surface, sprinkle Carbo grit and little water on and grindhogging with the mirror on top, making circular strokes with (1/3 min. of mirror overhanging, during hogging

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org

Fixedpost machine grinding is where the mirror is on a turntable rotating around 20 PRM [speeds vary], and a 75% tool is on top. They are already curvegenerated. The tool is hanging over the mirror by 1/6 the diameter of the tool, or about 1/8 diameter of the mirror, and is fixed in this position.

Get price

Glass Cutters, Bottle Cutters, Glass Cutting Tools & Supplies

Glass cutters and hand tools are essential for almost any glass craft. Delphi carries a wide selection of cutting tools from basic hand cutters to advanced cutting systems to polishing hand tools to give your project a finished look. Delphi Makes It Easy: Learn how to cut art glass using handheld tools

Get price

Fixed post mirror grinder advice Stargazers Lounge

Nov 01, 2011 · Basically there are two types of grinding/polishing machine. The ''traditional'' type which involves the mirror rotating at a relatively slow speed, a few rpm for a big mirror (1620 inches) with the tool moving across the mirror, from side to side, at a higher rpm depending on the size of the mirror and/or tool.

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Lens & Mirror Making Best lenses and mirrors are both

Lens & Mirror Making • Best lenses and mirrors are both made by grinding the surface • Start with a mirror or lens blank • For mirrors only surface needs to be good • Typical mirror want pyrex (eg BK7) • Then need a tool blank – poorer glass & softer glass • Place mirror on top tool • Now add grinding compound (grit) between

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Telescope Mirror Kits firsthanddiscovery

Want to build your own telescope? Start with one of our telescope mirror kits. Each kit comes with a telescope mirror blank and all the abrasives (silicon carbide grits and white aluminum oxide powders), cerium oxide polish and pitch to grind and polish it to your specifiions.

Get price

Grinding,Polishing and Figuring Part 2 Polishing

Grinding, Polishing and Figuring Thin Telescope Mirrors . Part 2 Polishing Don''t let your fingers touch the bevel of your glass while rotating the mirror during grinding and polishing. When you rotate the mirror during it closer to the center of the edge. The diameter of the pitch lap, like the diameter of the grinding tool, is up to

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Ez541gr 1 1 2 Grinding Wheel dremel

Turn your Dremel rotary tool into a simpletouse rotary grinder. The Dremel Aluminum Oxide Grinding wheel features a highquality industrial abrasive that''s made for extended generalpurpose grinding on metals, castings, welded joints, rivets and rust. 1/8 In. shank.

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Fast Mirror Grinding & Polishing The ATMs Workshop

This tool worked fairly well, but progress was slow nonetheless, and I didn''t like all the rust stains on everything. As the mirror and tool were slowly pulverized by the grinding process, the iron in the resulting grinding "mud" instantly oxidized.

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mirror grinding tool fietswereldmeulendijks

Fine Grinding the Mirror Sidewalk Astronomers. If the tool is much smaller than the mirror blank, the fine grinding and polishing should be done with the tool on top. It is a good idea to use lukewarm water during the last wets of fine grinding, and also during polishing.

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Stellafane ATM: Make a Tile Tool

A tile tool is less expensive than a glass tool (either Pyrex or plate), and because it is naturally grooved, it works much faster than an ungrooved glass tool many people find it works about twice as fast. We use tile tools in all our mirror courses at Stellafane.

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Grinding,Polishing and Figuring Part 2 Polishing

Grinding, Polishing and Figuring Thin Telescope Mirrors . Part 2 Polishing Don''t let your fingers touch the bevel of your glass while rotating the mirror during grinding and polishing. When you rotate the mirror during it closer to the center of the edge. The diameter of the pitch lap, like the diameter of the grinding tool, is up to

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Mirror Grinding Machine

My Mirror Grinding Machine. For a long time I''ve wanted to build a machine for grinding telescope mirrors. Dennis Rech''s MoM designs finally inspired me to just get up and do it. Over the years, I''d been collecting motors, gear boxes, pulleys, etc.

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Telescope Mirrors, Blanks, Secondaries, Grinding Materials

Aluminium oxide grinding powder per kilo $40AUD Tin oxide grinding powder per kilo $30AUD Pumice grinding powder per kilo $30AUD 80 Grade grinding powder per 8" mirror $2AUD 120 " " $2AUD 220 " " $3AUD 320 " " $4AUD 500 " " $6AUD 1000 " " $8AUD

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MirroroMatic mirror making machine ATM pages of

MirrorOMatic grinding machine. When I decided in 2009 after a tenyear break to get into mirror making again, it quickly became clear to me that I would need to construct machine, as hand grinding big mirrors is not something very beneficial for the hands of a musician.

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