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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 ( F/D = 4) well suited for deep sky observations. On the opposite, a shallow mirror ( F/D = 8) will be performing very well on planets and the moon.
MIRROR GRINDING MACHINE. I made my first mirror grinding and polishing machine over thirty years ago. It used the working principle of the machine illustrated at quot;Aquot;, Page 163, quot;Amateur Telpe Makingquot; Book 1. A bowl which rotated was fitted to the spindle. I also built another machine of the same type. Also a Hindle type machine for a southern firm to grind and polish quot; mirrors
Currently manufacturing a 16 diameter 1 thick plate glass Newtonian telpe mirror. Doing this with my new fixed post grinding machine built this summer. Work is progressing well, and very efficient. Started project in August 2013 and at this point I am ready to move on from 25 micron White Aluminum Oxide to 9 micon White Aluminum
15/10/2012#0183;#32;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 mirror spherical?
Free Telpe Mirror Grinding Machine Plans Plans Telpe Mirror Grinding Machine Plans Guide. There are heaps of different merchandise with nice woodworking plans on the Internet today and it can be really hard to see which product can offer you with what you would like in order to realize your woodworking goals. Chat Now ; mirror grinding machine plansMat#233;rielMCC Machine. email
06/03/2006#0183;#32;Making a homemade mirror grinding machine. Started by johndavid24, Oct 16 2006 09:06 PM. This topic has been archived. This means that you cannot reply to this topic. 18 replies to this topic #1 johndavid24 johndavid24. Vostok 1. topic starter; Posts: 101; Joined: 19 Dec 2005; Posted 16 October 2006 09:06 PM. I want to make a motorized mirror grinder, any good info on this, i have a
Mirror Grinding Machine. #183; 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. Most of them came from industrial junk yards.
There are many reasons for grinding your own mirror. Either you want a unusual size, or focal length, or to satisfy your curiosity, or to have the quot;pride of achievementquot; by fabricating something as precise as a telpe mirror. You could also live in a part of the world where telpe optics are not commonly available, and this might be the only way to have a telpe.
For grinding the back of my 12quot; mirror, I used an 8quot; disk of 3/4quot; particle board, glued tiles to the front with epoxy, and coated the back and sides with polyurethane. It worked great. I made my ; polishing tool for my 12quot; mirror out of three layers of 3/4quot; particle board glued together. I used a chisel and a belt sander to put a curve on the
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. The blank only weighs 10 lbs, 4 oz. I am very excited about this process. It makes nice looking and very light blanks. Click the photo to see how I did it
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