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Jun 8, 2017 - Explore Neil Aubrey's board "Telescope Mirror Making" on Pinterest. See more ideas about telescope, telescopes, diy telescope.
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I am not an expert on grinding machines, > though I have I have seen a couple of simple ones in operation briefly. > This one has a big rotating wheel with places to hook up the arm to; it > also has another fixed point. The tool- or mirror- or lens-holder > rotates. There is a 1725 rpm motor.
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The 1.3m telescope mirror blank has been completed by Peter Wangsness and is now … 1.3m mirror blank – yard stick comparison . 1.3-m Mirror Grinding Machine – Photo: Mike … Mirror-o-Matic mirror making machine – ATM pages of Berthold …
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This video shows how to setup a mirror grinding machine for fixed-post grinding, also known as spin grinding or spinning. After setup, you'll see how abrasi...
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The machine is shown grinding a 300 mm mirror.How to build a tachometer:
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Gordon Waite sets up his fixed-post mirror grinding machine to begin rough grinding on an 11" f/4.3 telescope mirror. He uses a grinding tool made from dent...
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The eccentric that controls the side to side motion turns at 11 RPM. I can adjust the length of the stroke and the side to side motion as well as the position of the mirror on the tool. Now I know why my machine is so slow to do its work. I really like the way the mirror o matic works. I may have to rethink things a bit. Mark
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The Qpol 250 M1 is a manual, single-wheel grinding and polishing machine for working wheels Ø 200/250 mm. The start / stop button with illuminated status display and the rotary switch with scale and integrated boost button allow for intuitive operation. A spin cycle function (Cleaning Boost) helps to spin dry the grinding and polishing medium at 750 rpm at the end of the …
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[ATM] mirror making machine. To:
If you have ground a reasonable curve in your mirror, pour the new plaster disk against that curve, so that the new tool will be closer to mating with the mirror. Back to the ATM Index Page. Page last revised on Thursday, 2017-Sep-07 13:33:01 -0400 ...
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While I was in the construction process of the Mirror-O-Matic I had ordered a 10" an 8" plate glass kit. Here is the 10" ready for fine grinding. The only part I could not find locally was the toggle pad used in the overarm assembly. This part I ordered from Reid Tool Supply Company. The 8" came at a later time then the 10".
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ATM Forum Message. Be the first pioneers to continue the Astronomy Discussions at our new Astronomy meeting place... Howdy, I am going to be joining the ranks of retired people on 12/31,and I am thinking about grinding another mirror. My first mirror is …
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I started this thread to record my building progress of a new mirror grinding and polishing machine. This machine will be capable of handling mirror sizes up to 22". I have decided that 22" is the absolute maximum otherwise becomes too cumbersome to move around. I have won 2 x 1/3 horse power single phase electric motors on eBay, at $45 each.
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Subject: Re: ATM mirror grinding mechanics & marshmello test; From: Steve Bell ... microscopic surface areas of contact between the grit and the surfaces of the mirror and the tool. During grinding, the mirror is slid over the tool (really, over the grit between the mirror and the tool), and my physics book says: "whenever the surface of one ...
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Re: Building a fixed post mirror grinding machine. Update summary: Lots of work to get to this point. Things I need to probably change or fix: My gearing of the DC motor. I will need a slow speed for polishing (5 rpm), and faster speeds for hogging out and fine grinding (15- 30 rpm), so likely need to think about adding a gear reduction.
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ATM Mirror Grinding Machine Mark II (under construction) to Part 2 Well, the Mark I with automotive type wiper motors (12V DC) didn't work, so something else was required. Since EBay offers a lot of material that is suitable and available at …
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The Machines: Documentation: Information for ATMs Zip archive of Mirror-o-Matic Yahoo Groups (2000-2019) 307 Contact Dennis. The Machines: Documentation: Information for ATMs Zip archive of Mirror-o-Matic Yahoo Groups (2000-2019) 307 Contact Dennis ...
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Grinding / Polishing / Etching. Automatic Grinder / Polisher. With the semi-automatic grinding and polishing machines both single and central pressure can be applied. The central pressure allows grinding and polishing of embedded, unembedded and oversized specimens. In combination with a removal measurement, grinding can be done automatically ...
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Their strong speed-controlled drive makes manual grinding and polishing machines suitable for applications of every process step. The shock-resistant plastic basin and high technology standard of the instruments ensure very smooth operation.
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[ATM] 20incher with segmented and ribbed mirror at 12Kg, Andreas Derwahl. Re: [ATM] 20incher with segmented and ribbed mirror at 12Kg, Ric Rokosz. Re: [ATM] 20incher with segmented and ribbed mirror at 12Kg, Andreas Derwahl. Re: [ATM] 20incher with segmented and ribbed mirror at 12Kg, John Sherman; Re: [ATM] 20incher with segmented and ribbed …
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Mechanical assembly is complete. The machine could start grinding now. I still need to build the electronics, and then there's painting and finishing.
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Mirror grinding machine construction log I started thinking about building my own mirror grinding machine several years ago. Having been on the ATM list now since almost the beginning of it here on the web, I had lots of of inspiration reading …
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ATM (Fwd) lighting up Quebec, slightly off topic, Geoff Dudley; ATM - Grinding Machine Strokes, .; ATM 0.965" eyepieces, Kreig McBride ; ATM 1.25" vs 2" diagonal on refractor, Jeff Wirs. Re: ATM 1.25" vs 2" diagonal on refractor, Mel Bartels ; ATM 23" maksutov looking for/off topic, Kreig McBride ; Re: ATM 6" Dob: How Easy?, Ross Orr/Margaret Wong
ATM Grinding machine question !! From: [email protected] (Arni Ingimundarson) ATM My first mirror!!! From: [email protected] (Arni Ingimundarson) ATM Newbie. From: arrrhhhhh
I assume you are talking about a telescope mirror. I have read a lot and ground one small mirror some years ago but did it all by hand. If I remember properly, some of the features you want in a grinding machine are the ability to change the stroke's length as well as the path it takes across the surface (radial, cordial).
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Mirror Grinding Machine - ATM, Optics and DIY Forum ... Sep 29, 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.
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Mirror-O-Matic grinding machine. When I decided in 2009 after a ten-year 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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Fast Mirror Grinding and Polishing . Many ATMs, by their very nature, are experimenters. This article discusses some of the odd techniques I have used in grinding and polishing mirrors. Some were successful, others were tried and …
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The I.A.U. named asteroid 17823 Bartels discovered 1998 by J.M.Roe in recognition for my contributions to amateur astronomy. Making is the Key to Knowing. A telescope mirror is arguably the most accurate surface made by human or machine. Amazingly you can grind a mirror by hand and make a telescope with simple hand tools.
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Page 1 of 2 - Making my own fixed post mirror grinding/polishing machine - posted in ATM, Optics and DIY Forum: Hey guys. Im thinking of making my own fixed post mirror grinding/polishing and curve generating machine. Ive got loads of questions regarding the design so Ill just start firing away Do I need an eccentric moving tool to be able to polish a …
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Corundum K320 with paraffin oil. Speed 42rpm and some bars of Mozart. :-)
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6 pyrex Mirror Blank Questions - posted in ATM, Optics and DIY Forum: Hello.. I hve a couple of 6 mirror blanks that I will be grinding in the near future.. Question... on the back side of the blanks.. there is a ridge running around the blank with Pyrex made in the usa printed on them.. Do I need to grind all this off? I got these USED old stock..
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Gordon Waite shows you the 3-phase motor and VFD (Variable Frequency Drive) that he is installing on the computer-controlled mirror grinding and polishing ma...
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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 …
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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. …
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Please consult our list of ATM Suppliers for ideas about where to purchase these items. Topics on this page: Mirror Blanks, Grinding & Polishing Tools, Grits & Pitch, Storage Containers, Grinding Stands, and Miscellaneous Items. 6" & 8" Pyrex Mirror Blanks Patterns on surfaces and edges are mold marks, splotch on 6" is a grinding mark by the ...
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