mirror grinding tool
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First time mirror grinding6 F4.5ishDIY Astronomer
May 08 2021 I bought a used mirror grinding kit from AstroBuySell which includes a 6 25mm plate glass blank matching glass tool pitch selection of grits etc The kit appears to be a 30 year kit from Beacon Hill Telescopes The first owner had taken copious notes while rough grinding out to F11 0.9mm then switching to 120 grit and smoothing.
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1pcs Cylinder T shaped Cone White Cloth Polishing Wheel
1pcs Cylinder T shaped Cone White Cloth Polishing Wheel Mirror Buffer Cotton Pad with 6mm Shank for Polishing Grinding Metal Wood Cone Shape 4 inch Amazon
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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 M o M designs finally inspired me to just get up and do it Over the years I d been collecting motors gear boxes pulleys etc Most of them
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Stellafane ATM Guide to Strokes
With mirror on top overhang mirror about 40 of its diameter over the tool so that most of the grinding action is concentrated on the center of the mirror and the edge of the tool Take straight strokes such that the center of the mirror travels along an imaginary chord 1 on the tool The red arrow in
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POLISHING OF MOULD STEEL
proper tool material and establish a suitable surface preparation tech nique To achieve a reflective surface with mirror finish the preparation process must involve several grinding and diamond polishing steps and these have to be performed in a clean workplace The use of proper working tools facilitates the process a lot.
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Stellafane ATM Make a Tile Tool
The well used tile tool at right illustrates a couple of maintenance issues 1 Tiles Grind Away You may grind through your tiles at the edge especially if you are making a very fast low focal ratio mirror that case you can epoxy a second layer of tiles on over the first.
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Making a Dental Stone Tool Method of grinding of a mirror.
The tool being a copy of the glass is also not spherical and thus needs some grinding along with the mirror to gain the spherical state Typically I make a tool in about 30 40 minutes from the time that everything is pulled out until the tool is off of the mirror and the back is cleaned up so that the tool
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WOSWenk Observatory Solutions
After fine grinding the mirror has to be polished The toolmade from plasteris the same as used for fine grinding but now carries a special polishing layer The polish commonly used is cerium oxide.
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Buy mirror blanks for telescope making
10 Inch Mirror Blanks 3/4 Thick 55 S H 16 Shipping prices are to the USAnot shipping outside the US sorryCombined shipping is possibleWrite For a complete mirror making KIT with all abrasives polishing compounds pitch and grinding tool included please see our Buy Telescope Mirror Kits website for great prices on plate glass
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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 M o M designs finally inspired me to just get up and do it Over the years I d been collecting motors gear boxes pulleys etc Most of them came from industrial junk yards.
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Fast Mirror Grinding PolishingThe ATMs Workshop
Nov 15 2001 For this mirror I skipped the pre polish step and simply used pads and CeO for initial polish I used five pads on the 9 grinding tool during the polishing phase A photograph of the tool appears in Figure 1 at left This tool was made in my usual manner using tiles attached with paraffin wax It took about an hour and a half of polishing
Get Price3mirrors ALUMINUM Tungsten Electrode Sharpener Grinder
When grinding Apply light pressure to the wheel Heavy pressure will result in excessive wheel wear and a rougher tungsten point Always wear eye protection respiratory protection and protective clothing when using the angles controller and when welding Remove the grinding wheel firstly before taking out the tool after use.
Get PriceGrinding Polishing and FiguringPart 2Polishing
It can be flat or it can have the radius of your mirror on it The grinding tool is traditionally used by TMs The base must be thick enough not to flex and can be made of thick glass aluminumeven plaster has been successful What you choose is up to you I have always used 16 or 18 X 1 thick portholes.
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Fast Mirror Grinding PolishingThe ATMs Workshop
Nov 15 2001 For this mirror I skipped the pre polish step and simply used pads and CeO for initial polish I used five pads on the 9 grinding tool during the polishing phase A photograph of the tool appears in Figure 1 at left This tool was made in my usual
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Telescope Mirror Blanks TelescopeMirrorBlanks
page for low prices on plate glass mirror blanks If you d like to buy a complete mirror grinding KIT with all abrasives and grinding tool included please see the Buy Telescope Mirror Kits website for the lowest prices on plate glass telescope mirror grinding kits.
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Making A Tile ToolThe ATMs Workshop
Dec 15 2000 As all ATMs soon discover there are many different ways to do each of the tasks required for grinding your own mirror Making a grinding tool is no different For smaller mirrors up to about 10 inches diameter using a solid glass tool often
Get PriceMaking a Dental Stone Tool Method of grinding of a mirror.
The tool being a copy of the glass is also not spherical and thus needs some grinding along with the mirror to gain the spherical state Typically I make a tool in about 30 40 minutes from the time that everything is pulled out until the tool is off of the mirror and the back is cleaned up so that the tool will sit flat on the table top.
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Woodware Mirror Grinding Stand
Still grinding your own mirror is a key skill that makes you a real telescope maker To grind a telescope mirror by hand you simply attach a glass tool the same size as your mirror blank to the top of a small strong stand You apply grinding compounds to the tool and place the mirror blank on top.
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Large Thin Mirror MakingBBAstroDesigns
I like to use tools that are 75 the mirror size The tool is lighter and easier to handle and still grinds fast enough Plaster tools over 20 in size are heavy and awkward to handle Make a grinding tool from finishing plaster hydraulic cement casting plaster or concrete available at
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Mirror grinding tile toolATM Optics and DIY Forum
Jul 08 2012 Mirror grinding tile toolposted 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
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Oct 01 2016 Increasing tool posture angle decreases the grain cutting depth to the critical cutting depth from brittle cutting to ductile cutting but it increases the risk of tool interference The mirror freeform grinding may be parameterized by material behavior tool size and posture grinding conditions and abrasive tool performance.
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Astronomy Making a MirrorEl Camino College
Mirror and Tool We start with a mirror blank This is a round piece of Pyrex glass with one flat face the bottom and one face slightly shaped but very rough We use a plate glass tool which is identical in diameter to the mirror blank to smooth the glass blank and shape the surface into a paraboloid By adjusting our grinding
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Telescope Mirror KitsFirsthand Discovery
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 specifications Please note that our kits do not include a grinding tool or pitch
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Mirror o Matic mirror making machineATM pages of
After reading an article by Ed Jones about using diamond pellets for that task I wanted to try the idea on the grinding machine For that purpose I glued diamond pellets to a plaster tool and used it like a normal grinding tool on the machine The tool should not be bigger than ½ the diameter of the mirror.
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3mirrors ALUMINUM Tungsten Electrode Sharpener Grinder
When grinding Apply light pressure to the wheel Heavy pressure will result in excessive wheel wear and a rougher tungsten point Always wear eye protection respiratory protection and protective clothing when using the angles controller and when welding Remove the grinding wheel firstly before taking out the tool after use.
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Build your own telescope part 1 The mirrorThomas
The grinding and polishing tools are the same size as the piece of glass When you rub the glass over the edge of the tool it grinds the center of the glass hence making it concave Over time the peaks and valleys get all shaved by the polishing process and you end up with the right shape.
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Amazon dental polishing tools
Plaque Remover for Teeth TONYKEY Ultrasonic Tooth Cleaner Electric Dental Calculus Remover Professional Teeth Polishing Cleaning Tools with Mouth Mirror Dental Tools Black 4.2 out of 5 stars 32 27.99 27 99 27.99/Count 8 coupon applied at checkout Save 8 with coupon.
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Newport Glass Works LTD Grinding Polishing and Figuring
You can use a tool 75 of the mirror diameter without much difficulty Tools smaller than 75 have less tendency to produce a spherical curve during fine grinding Although a 16 tool works well with a 16 mirror for larger mirrors I would recommend a smaller tool simply because full size tools
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Making a Mirror.Astronomy
Dec 16 2002 Grinding/polishing machines work by rotating the bottom piece mirror or tool and letting the top piece freely rotate about it s central axis as it desires to do As you watch a machine work the upper piece will rotate at about 1/2 to 1/10 the speed of the bottom piece.
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Grinding and Polishing a Meniscus MirrorAstronomy
Oct 17 2017 While tools for grinding telescope mirrors is covered extensively elsewhere I will say that the challenge posed by a fast mirror is that the sharp curvature requires your grinding surface to be made of small bits whether those bits are tiles coins nuts or whatever In my case I cast the base of my tool from Hydrostone using my
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mirror grinding kits
For large thin mirrors say 12 inches 30cm or greater and 15 inches 4cm or thinner the mirror back must be ground flat or at least regular in shape before beginning fine grinding the mirror s face Cast a tool specifically for the mirror s back and grind with 220 grit inspecting for low unground spots Grind until they disappear It s OK
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Mirrorsusing undersize toolATM Optics and DIY Forum
Sep 21 2014 Careful when first grinding with new layers of tiles Some may be higher than others and after stroking past the edge of the mirror and then back might snag the edge Step 1 Use short COC strokes that don t take the edge of the tool past the edge of the mirror for a while to wear down the highest tiles Step 2.
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50mm Flat Type Cloth Polishing Wheel Mirror Grinding Tools
50mm 2in Made of pure cotton cloth the is fine and bright after polishing and the polishing effect is good Item Type White Cloth Polishing Wheel If you do not receive our reply within 48 hours pls.
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