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atm astronomy strasbaugh polishing and grinding machine

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Sample Preparation Equipment such as Sample Coaters, Cut-Off Saws, Sample Preparation, Polishing & Grinding Sample Prep from Used, Surplus, Refurbished Semiconductor, Scientific & Laboratory Equipment For Sale.

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Grinding with Washers Grinding Large Thin Mirrors Part I Grinding,Polishing and Figuring Large Thin Mirrors - Part 2 - Polishing Astronomy, telescope making,mirror grinding and testing Large Thin Mirror Making by Mel Bartels Grinding Machines Mirror-o-matic Tom Waineo's Desktop Grinding/Polishing Machine Ken Lilja's Grinding Machine Grinding ...

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• Backgrind Equipments: Okamoto VG-502 MKII 8, Strasbaugh 7AF, SRD Semitool wafer washer • Tapers: Microcontroller model 408 taper machine, Nitto DR-8304 taper machine, Takatori ATM-1100-C • De-tapers: Microcontroller model 408 detaper machine, Nitto HR-8304 de-taper machine, RAD-3000 ADWILL De-taper machine, De-taper NITTO NEL SYSTEM

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After fine grinding is complete, the mirror must be polished. It is during polishing that you "figure" the mirror by using a different polishing stroke to change the mirror's spherical polished shape into a parabolic polished shape . See a related tutorial nearby titled, …

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Sep 03, 2016· Fixed Post to Strasbaugh - posted in ATM, Optics and DIY Forum: Im looking at converting my fixed post grinder/polisher to a Strasbaugh type machine. I have a variable speed drive on the turntable, I would like to use a separate variable speed motor for the over-arm . I found a 2 hp, 120V DC treadmill motor with speed control for a good price.

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Oct 10, 2015· 2015-16 Stellafane Mirror Class Session 01 held on 2015-Oct-10. First Pitch Laps Of The New Season. Stephen's new lap in progress. The hot pitch was just poured into a well used pitch lap mold and the plaster tool was plunked on top. Hidden underneath is the mirror, face up.

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Apr 08, 2021· Semiconductor Equipment in stock ON SALE now. S-570, EG 1034, EG 4085, HP 4062/HP 4062UX, Tegal 903e, Heatpulse 8108, Heatpulse 4108, Lam AutoEtch..

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The grinding/polishing tool is held in place by the quill of the M-o-M. The end of the quill is comprised of a swivel nut that fits into a socket at the back of the tool . I turn those sockets on my lathe from aluminium and usually keep several of them handy in order not to have to change the sockets during the different grinding/polishing stages.

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Jun 06, 2010· 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.

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: : I WONDER if there's a low temp material that will take a polish of optical quality (at least, for a first surface mirror) that I can spin on a grinding machine-like rig, allowing hardening while rotating. Will it need finishing or polishing? RPM tolerances are only as critical as are precise focal length requirements.

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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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atm astronomy strasbaugh polishing and grinding machine. manufacturers of industrial limestone grinding machines in europe. hydrated lime production plant in the united states. soda blast equipment for sale canada. stone crusher machine specification. Read more

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Oct 13, 2019· 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. Fixing the aluminum turntable to the wooden turntable base. Building wedges to locate the mirror on the ...

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Manta has 5 businesses under Grinding, Polishing, Buffing, Lapping, and Honing Machines in California. Featured Company Listings. Supertec Machinery Inc. 6435 Alondra Boulevard. Paramount, CA (562) 220-1675. Visit Website. CLAIMED Grinder. Grinders (machinery) Grinders (tools)

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Feb 04, 2009· Polish eyepiece lens? - posted in ATM, Optics and DIY Forum: I have a Meade series 4000 UWA 8.8mm that has seen too many public starparties and now the coating on the eyelens is ruined. The image is still sharp but with a veiling glare/loss of contrast. Ive replaced it with a series 5000 8.8mm but was wondering if it was worth taking it apart and polishing off the coating.

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R. Howard Strasbaugh 6UR-6 Polishing Machine. $17,000.00 ... XLD Series, 10- 6 Pa ~ atm. $54.99. Free shipping. Last one. UHV Semiconductor / Wafer Furnace 3.75x16":6" GNB Vacuum Gate Valve, Cryo Torr. $1,995.95 + shipping. Seller 99.7% positive. Wafer Grinder and Cutter With 3 Stepper Motors for XYZ Grinding Machine. $2,950.00 + shipping ...

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strasbaugh overarm multi spindle polishing machine Apr 15, 2010· A grinding machine wherein coarse and fine grind wheels are mounted to a single rotating spindle A multiple grind wheel mount is, Polishing Pad ...

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Dec 16, 2015· 4 hours fine grinding 4 hours final polishing. The recommendation for mirrors up to 150mm is only for mirror made by hands. Mirrors larger than this my recommendation is to be made with polishing machine. In this case the diameter of the mirror will depend only on the capacity of the machine.. Edited by marcosbaun, 05 December 2019 - 10:29 AM.

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Sep 05, 2005· Page 2 of 3 - Polishing 17 in the wake of my 18 - posted in ATM, Optics and DIY Forum: its not astigmatic see my own thread!I engage the KE so that it cuts in at CoC. What you see in the pic is what the eye sees. There is a slit in front of the LEDWe use a 1/3 mirror diameter stroke for polishing. I am also thinking bout spinpolishing, but ther rest of our group is moderately conservative.

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ATM Web Pages Hundreds of links to all aspects of telescope making on the internet. ATM Material Suppliers US suppliers of Mirror Blanks, Grinding & Polishing Supplies, and Telescope Making Supplies. Astronomy Clubs Many can offer help with your project. Astronomy Conventions & …

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Jun 11, 2020· Page 2 of 2 - polish inspection - posted in ATM, Optics and DIY Forum: the grazing incidence test is not effective when the tool and mirror are flipped after every wet. The reflection will look uniform from center to edge because the previous grades pit density is uniform from center to edge. Maybe 6 wets of each grade, 20, 9, 5 micron, wasnt enough.

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The instruments of the SAPHIR A-ECO Series are suitable for working wheels with Ø 200/250 mm and can be conveniently operated by a 4.3 "touch screen.The new ...

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Mar 16, 2015· Page 2 of 5 - Making a Mirror grinding & Polishing machine - posted in ATM, Optics and DIY Forum: The machine I made is just driven by a drill press and pulley system. Variable speeds could be nice, but so far this system has worked. The turntable goes about 40 RPM for spin grinding and polishing, which works quite well. I can add a reduction and the table then goes about 6.5 RPM, …

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US20110025310A1 US12/901,146 US90114610A US2011025310A1 US 20110025310 A1 US20110025310 A1 US 20110025310A1 US 90114610 A US90114610 A US 90114610A US 2011025310 A1 US2011025310 A1 US 2011025310A1 Authority US United States Prior art keywords sensor rotor magnetic scale exemplary Prior art date Legal status (The legal status is an …

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Double-disc grinding wheel Application Ceramic diamond, CBN honing plateCeramic bond diamond millstone is mainly used for coarse grinding, fine grinding, fine grinding, grinding, polishing surface and inner hole grinding, grinding objects are: ceramics, gems, semiconductor materials, plane grinding blade, piston rings, bearing, etc, have the ...

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US11002566B2 US12/901,146 US90114610A US11002566B2 US 11002566 B2 US11002566 B2 US 11002566B2 US 90114610 A US90114610 A US 90114610A US 11002566 B2 US11002566 B2 US 11002566B2 Authority US United States Prior art keywords sensor scale absolute magnetic rotor Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

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QATM. Products. Grinding / Polishing / Etching. Grinding and polishing is the final stage in the metallographic sample preparation process and consists of several steps. Each step uses finer abrasive than the previous one, the ultimate goal being to produce a deformation-free, scratch-free and highly reflective sample surface.

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Nov 06, 2014· Bay News is a publication of Tolosa Press. Based out of San Luis Obispo, California. Bay News covers local news from the areas of Los Osos, Morro Bay, Cayucos, and Cambria.

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Jun 08, 2006· Grinding mirrors by machine? - posted in ATM, Optics and DIY Forum: Has any1 made a machine to ground mirrors. I would rather make a machine capable of grinding than do it by hand. It would probably take me less time as well. Is there any technique to it or is it just making a bit of glass a concave shape so that its focal length is 1200mm or watever.

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Apr 25, 2020· The advice for grinding, polishing and figuring is always get good contact and verify it no matter how it is done. ... I build an Strasbaugh type machine and I am also trying to learn the way of machine making mirrors.I started with an 8 inch one as a first and the results are so-so...I spend a lot of time before reading(CN forums,all the ...

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Grinding with Washers Grinding Large Thin Mirrors Part I Grinding,Polishing and Figuring Large Thin Mirrors - Part 2 - Polishing Astronomy, telescope making,mirror grinding and testing Large Thin Mirror Making by Mel Bartels Grinding Machines Mirror-o-matic Tom Waineo's Desktop Grinding/Polishing Machine Ken Lilja's Grinding Machine Grinding ...

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