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Grinding / Polishing / Etching Grinding and polishing is the final stage in the sample preparation process and consists of several steps. Each step uses finer abrasive than the previous one, the ultimate goal being to produce a deformationfree, scratchfree and highly reflective sample surface.
Astronomy, telpe making,mirror grinding and testing Large Thin Mirror Making by Mel Bartels Grinding Machines Mirroromatic Tom Waineo''s Desktop Grinding/Polishing Machine Ken Lilja''s Grinding Machine Grinding Machine Figuring Figuring a Paraboidal mirror by thermal predistortion Optical Testing The Basics of Telpe Testing Test Stand
I finally decided it was time to build a machine to help me grind the edges of the blanks true and round. This is my homebuilt edge grinding machine for grinding down my homecast mirror blanks. Click to see the whole project. This is a inch diameter, inch thick, lightweight honeycombback telpe mirror blank that I made myself.
Mar 27, 2018· Fast Mirror Grinding and Polishing . ... This is a log of one of my ATM mirror making projects. It will allow others to see the long winding road complete with wrong turns, detours, and small successes that all glass pushers encounter. ... If you are cramped on workshop space or on a tight budget, a 3in1 combination metalworking machine may ...
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.
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.
Dec 19, 2014· Showing grinding work on a superfast 10" F2 telpe mirror. Gordon shows fine grinding by hand using the powered turntable.
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.
I gave the mirror to my son and immediately started working on an easier to use version of the above two programs. The result is Parab. There is nothing new and it does lack in some of the bells and whistles. Hopefully it is easier to use. For now, consider it a beta test. I don''t know if it is going to fly at all.
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 of others projects and viewing their webpages
My Mirror Grinding Machine. For a long time I''ve wanted to build a machine for grinding telpe 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.
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.
Grinding a mirror using an abrasive and a smaller tool over 300 mm mirror ("ATM Korenica 2006", in Korenica, Croatia) Since the Newtonian reflector is the most common telpe built by amateur telpe makers, large sections of the literature on the subject are devoted to fabrication of the primary mirror .
Mirror Grinding and Polishing Machine by Rainer Jakob 22 Janury 2012 Having made two 150mm f/8 and one 150mm f/24 mirrors and being busy with figuring another 150mm f/4, I decided to move on and tackle something bigger.
This is why you don''t want to make mirrors to be worked on machines too thin. For 16" to 18" mirrors, " thick is the thinness I would recommend. There are several ways to support the grinding and polishing machine turntable, but first make sure the turntable itself is rigid. It .
Mirror cells. Mirror Cell; Mirror Cells for Amateur Telpe Makers; A Simple DoublePlate Mirror Cell for Your Reflector; Mirror Cells and more...: Mirror cells Frequently Asked Questions; Mirror grinding machines. Dennis Rech''s MoM Website; Tom Stoke''s MoM site; Laurie Hall''s MIRROR GRINDING MACHINE. MoM Yahoo! group; Mirror making
Finally, the precision refractory molds for slumping the 42 inch mirrors in the kiln are proving too thin. Not to despair I have a plan. See my updated notes and pictures. IC443, the Jellyfish Nebula with my 13'' and various filters. My new grinding machine, polishing a 25 inch [635cm] diameter mirror. The extended HorseHead Nebula area (IC434).
Stone tools go back million years. Pounding, scraping, knapping, grinding combined with fire, heat, melting leads us today to grinding telpe mirrors from glass. Making a telpe mirror is one of the most satisfying and sublime joys you will experience. It''s also arguably the most accurate surface made by man or machine.
Feb 14, 2016· Making a 33 cm f/ mirror on the MirroroMatic 6: polishing the surface with a pitch lap Duration: 9:12. Jan van Gastel 1,816 views
Mar 27, 2018· Fast Mirror Grinding and Polishing . ... This is a log of one of my ATM mirror making projects. It will allow others to see the long winding road complete with wrong turns, detours, and small successes that all glass pushers encounter. ... If you are cramped on workshop space or on a tight budget, a 3in1 combination metalworking machine may ...
How I built an edge grinder for telpe mirror blanks. It was very quick and easy. I have been casting my own telpe mirror blanks for a few years now. ... I borrowed a few ideas from the MirrorOMatic mirror grinding machine, particularly how to mount the turntable on top of the pulley. Anyone building machinery for coldworking glass ...
"Painting" the whole tool with epoxy or boat varnish will be just fine. On all the ATM webpage''s and books you will see neat, equally sized, equally spaced tiles. The key to successful mirror grinding is randomness in stroke numbers and tool and disc rotation.
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 reasonable prices, I changed for 3phase 230V 50Hz AC gearmotors, which can be controlled by frequency ...
The first grinding step for accurate sample preparation is pregrinding the material to remove irregularieties like embedded edges and to produce the required planar surface. The Belt Grinder Jade 700 is ideally suited for manual deburring and pregrinding of materials.
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