mirror grinding tool
Large Thin Mirror Making - BBAstroDesigns
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 well equipped building supply houses.
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Stellafane ATM: Mirror Making Overview
Mirror grinding and figuring consists of four major steps (plus aluminizing). Rough and Fine grinding use hard tools (glass, tile or metal) and harder then glass abrasive grit (Silicon Carbide or Aluminum Oxide). Polishing and Figuring use a soft pitch tool and ultra fine abrasive (Cerium Oxide or Rouge).
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mirror grinding information - modevakcentrumcreatief.nl
Mirror Grinding - an Astronomy Net ATM Forum Message . I want to try grinding 8" mirror for a dobsonian. I've got several step-by-step txts on how to do it. They all suggest buying a mirror grinding kit, but I am able to ... Mirror-O-Matic - Dr. Debug . Mirror grinding an polishing maching Mirror-O-Matic ...
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3mirrors ALUMINUM Tungsten Electrode Sharpener Grinder ...
This tool will grind 2 sizes tungsten, 2 angles tips for each size. 4 types holes 1/16" (1.6mm) 15°, 1/16" (1.6mm) 20°, 3/32" (2.4mm) 15°, 3/32" (2.4mm) 20°. 15° is 30° when the ground on tips, 20° is 40°. Each type has 3 holes that will grind different circles on diamond wheels, which will reduce diamond wheels consumption by 2 times.
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3mirrors ALUMINUM Tungsten Electrode Sharpener Grinder ...
3mirrors Tungsten Electrode Sharpener Grinder Angle Controller TIG WIG Welding Tool Grinding for 040 1/16 5/64 3/32 1/8 5/32 each 4 tips 30° 36° 45° 60° (The problem of the 2 sets of hole direction and hole spacing has been improved) Widely applicable sizes. The Lastest design is available for 6 sizes of tungsten needles: 040", 1/16", 5/64 ...
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joy of mirror making fine grinding
The Joy of Mirror Making Mel Bartels Here is a 25 inch mirror on top of the fine grinding tool with pads applied And here is the result after 5 hrs of machine polishing starting from a 20 micron aluminum oxide grind Note that the edge is not as reflective Materials Needed. joy of mirror making: rough grinding.
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Mirror grinding - scope making
Use a tool sharpening stone, wet it with water, and grind at 45 degrees, around the disc, (red arrow) . A 2 mm bevel is enough Making a tile tool "In the old days" it was usual that a mirror kit is delivered with 2 glass blanks. One as the mirror, and the other as the tool. If you have such a kit, save the second glass, and make a tile tool.
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mirror grinding kit grind and polish telpe mirror at ...
All our Mirror Kits contain a Pilkington Float Glass mirror blank and Grinding Tool. These arefinished with fine ground edges. 180 grade first stage ginding powder. 400 grade ginding powder. 303 grade smoothing powder. Top quality Cerium Oxide Polishing powder.
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GRINDING – Astro Khan Telpe Making
Place the mirror on the tool. Start with chordal stroke to grind the mirror's center and tool' edge. After every few minutes, turn the tool clockwise 30 degree and mirror anticlockwise 30 degree. Continue grinding with at-least 12 wets. Once done, wash mirror and tool and inspect the Mirror's surface.
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spin grinding a slumped mirror - ATM, Optics and DIY Forum ...
spin grinding a slumped mirror - posted in ATM, Optics and DIY Forum: so after taking a few years off from the hobby to get my wife well i have completed my spin grinder and am ready to tackle the 14 honeycombed mirror that you see as my avatar i had it fused to shape many years ago and it is slumped to an F5 curve. i have not used a spin grinder as yet all my …
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Grinding and Polishing a Meniscus Mirror – Astronomy ...
While tools for grinding telpe 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.
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Joy of Mirror Making: Rough Grinding - BBAstroDesigns
31 Grinding the curve into the mirror face can be done by one of the following …
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tut44 Making A Mirror Grinding Tool - Asterism
Making A Mirror Grinding Tool By Allen Malsburry The average person would never think, "I can make my own telpe." Most amateur astronomers believe, "I can buy a better telpe than I can build." Neither is actually correct. For many decades now, amateur astronomers have been building their own telpes.
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Fast Mirror Grinding & Polishing - The ATMs Workshop
The mirror ended up with a very smooth, zone free, nearly spherical figure ready for final figuring. Figure 1: Polishing pads applied to a 9 inch grinding tool. Another local ATM has also tried the polishing pads with abrasive and CeO. His own 17.5" mirror took about nine hours to polish out completely.
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Telpe Mirror Kits - Firsthand Discovery
Please note that our kits do not include a grinding tool or pitch lap. If you need materials for making a grinding tool or pitch lap, we have them available on our Tools page. A second mirror blank can also be used.
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What are the mirror grinding processing methods ...
1. What is mirror grinding The surface roughness of the workpiece after grinding is Ra0.01µm, it is as mirror-like and can be imaged clearly, so it is called mirror grinding. The flatness of the grinding plane is not more than 3µm/1000mm. The surface processing of high-precision, high-value-added parts requires mirror grinding. 2.
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mirror grinding tool - allegrapoint-photographie.fr
mirror grinding tool; Mirror grinding scopemaking. Again, rotate randomly, both tool and mirror. As soon as the curve has reached the edge, and your saggita is equal or slightly deeper (depending on method you use later) you can go on with the fine grinding.
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grinding mirror grinding - norastheetuin.nl
Grinding also proceeds quicker because the tool spends more time working the mirror's edge, where most of the glass is located and where pits tend to grind out last. Tool on top tends to lengthen the radius of curvature while mirror on top tends to shorten the radius of curvature.
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Build your own telpe part 1: The mirror – Thomas ...
Rough grinding. This step is about making one side of the glass concave. It will give your mirror its overall focal ratio. If you make the centre deep, you will end up with a fast telpe (e.g. F/D = 4) well suited for deep sky observations. On the opposite, a shallow mirror (e.g. F/D = 8) will be performing very well on planets and the moon.
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Mirror Grinding Tool- SOF Mining machine
Lens Mirror Making Best Lenses And Mirrors Are. 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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Making a Tile Tool for Mirror Grinding (in 150 seconds ...
The condensed process of making a tile tool that will be used to grind my 8.5 inch telpe mirror. Making a mould around the Pyrex disc, mixing and pouring...
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My Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telpe 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.
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mirror grinding tool - Ziston
mirror grinding tool. Making A Mirror Grinding Tool By Allen Malsburry The average person would never think "I can make my own telpe" Most amateur astronomers believe "I can buy a better telpe than I can build" Neither is actually correct For many decades now amateur
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Mirror Grinding Moulding - karlskoishop.nl
Mirror Grinding Moulding. 03 method for mirror grinding 1 balancing and dressing the grinding wheel 1 balance grinding wheel after the flange is installed on the grinding wheel the rough static balance is performed first then the two end faces and outer circle are trimmed on the grinding wheel shaft and finally the precise static balance is performed 2.
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Lens & Mirror Making Best lenses and mirrors are both made ...
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 tool & mirror Grinding – moving the mirror over the tool with grit between) Grinding compound will make tool convex, mirror concave
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Mirror Grinding Machine Setup - healingharp.nl
To setup for a grinding session I needed to provide the mirror mount to hold the mirror on the grinding base and the tool to hang off the eccentric drive arm. The mirror mount I provided for by putting three inserts in the grinding table at 120 degrees on a 6 PCD.May 14, 2021 1 – 2 years' experience in grinding and or equivalent machine operation and setup in …
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