Fixed Post Mirror grinding Machine

  • Building a fixed post mirror grinding machine

    2019-8-19 · Gordon Waite is probably one of the better mirror makers using this machine and have incorporated some of his ideas into my plan. I like the fixed-post plan vs others with eccentric drives, because it gets the heavy grinding done in an automated manner, but still give you the chance to Making my own fixed post mirror grinding/polishing ,2012-10-15 · I was handed several free mirror blanks and tools by other glass pushers. They gave up when a blank or tool chipped badly on the edge. Always useful as grinding tools or for making laps. A machine is really not necessary and will usually go much faster working by hand. A sturdy turntable and handwork is one way to do it.

  • jeffbaldwin

    2015-9-7 · Fixed-post 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 curve-generated. 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 Fixed post mirror grinder advice DIY Astronomer,2011-11-1 · An alternative, which seems very popular with home machine builders, involves rotating the mirror at a relatively high speed whilst the tool has minimal movement or is fixed (as in the case of Gordon W’s machine). The trick is to place a correctly sized tool in the appropriate position to ensure an even grind/polish.

  • Building a fixed post mirror grinding machine Page 2

    2019-10-13 · Re: Building a fixed post mirror grinding machine Post by Kanadalainen » Mon Aug 19, 2019 12:39 pm In this image I have put together a gear reduction stage for my DC motor.Mirror Grinding Machine,2015-8-14 · The two-axis U-joints you see are made of a soft 2"x2" pine which costs about $1.80 for 8 feet. A 3/8" hole and a 3/8" smooth shank hex head bolt makes for a surprisingly good hinge bearing. The catch basin is a 20" dish used for holding potted

  • Fixed post mirror grinder advice Page 2 DIY

    2018-10-29 · One is now loaded with a 20" mirror. It'll be a f/4.5. To feed the carbo we work with peristaltic pumps. Fully automated. When the container runs out of slurry the M-o-M stops. Containers completely filled with carbo the M-o-M will run for about 1.5 hours.Mirror Grinding Machine ATM, Optics and DIY ,2010-9-29 · This image shows the 3D model of the overarm assembly I added to my small spin-post grinding machine (I'm building a bigger one now based on the same basic overarm design). In the one shown, the overarm is driven by a belt from the shaft that drives the turntable, which limits the stroke speed ratio. I really did this for fine grinding

  • Mirror Grinding Machine Hackaday

    2006-9-26 · Grinding and polishing your own mirrors is a long, arduous process. Instead of lapping the blank by hand, Laurie Hall built this mirror grinding machine from scratch.telescope mirror fixed post grinding machine tools ,2021-7-4 · This listing is for a telescope mirror grinding machine and supplies. Specifically it is called a "fixed post grinding machine", made popular by the YouTube videos of Gordon Waite. Basically, it's a heavy turntable, driven by a Browning speed reducer and a direct current, variable speed motor, with a fixed post for the grinding tool, all riding on a welded steel tube frame.

  • Mirror Grinding Machine

    2015-8-14 · 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. Most Fixed Post Grinder/Polisher Build ATM, Optics and ,2019-9-20 · The fixed post method will do everything needed to grind and polish a mirror from start to finish in a relatively short amount of time. Once I generate the curve on a mirror blank I switch to my fixed post machine and I can usually complete grinding the whole mirror in about 4 5 hours.

  • mirror-maker Waite Research Telescope Mirrors

    2010-4-29 · Fine Grinding a 20" Quartz Telescope Mirror. Rough Grinding on the Fixed-Post Mirror Grinding Machine. Hogging the Curve on a 20" f/4.5 Quartz Telescope Mirror. Astronomy magazine names Waite Research's Renegade telescope a top astro product of 2015. The 20" Renegade telescope offers fabulous viewing without climbing a ladder.Fixed post mirror grinder advice Page 2 DIY ,2018-10-29 · The mirror is is a 10 inch and is almost exactly f4.5. OK, so if I make a tile tool do you have some tool data that works? What size tile squares, what gap between them, what kind of tile, what surface,,glaze up or down, what adhesive? I kinda started a tile tool early in grinding when a big chip came off the side of the tool, but chickened out.

  • Mirror-o-Matic and fixed position tool grinding ATM

    2005-10-2 · Mirror-o-Matic and fixed position tool grinding posted in ATM, Optics and DIY Forum: I plan on using a Mirror-o-Matic type grinding machine soon. The fixed position technique Mark Cowan uses is one I’m very interested in. Mark has Mirror Grinding Machine Hackaday,2006-9-26 · Post navigation ← Rebuilding Tube Amps. Rotary Subwoofer → 6 thoughts on “ Mirror Grinding Machine ” Phugedaboudet says: September 27, 2006 at 5:49 pm when i used to manufacture optics we

  • telescope mirror grinding machine plans

    Making my own fixed post mirror grinding/polishing . 15/10/2012· 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.Astro-Tel Mirror grinding machine,2001-4-12 · 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 "A" Fig.3, Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated was fitted to the spindle. I also built another machine

  • Fixed post grinding/polishing with full size tools?

    2011-5-3 · Fixed post grinding/polishing with full size tools? posted in ATM, Optics and DIY Forum: I am in the process of making my convex secondary for my 14.5” Harmer Wynne telescope. Can I use a fixed post grinding machine to generate the desired radius with a full size tool? What kind of over hang are we talking about here? I am currently using a pottery wheel with VFD for rpm control for aMirror Grinding Machine ATM, Optics and DIY ,2010-9-29 · 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

  • Fixed Post Mirror Grinding Table designed with 123D

    Rough Grinding a 20" Quartz Telescope Mirror on the Fixed-Post Machine 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.build a mirror grinding machine ekliefkrismis.co.za,Fixed-post 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 curve-generated. get price Telescope Making Links Designs and Techniques

  • telescope mirror grinding machine plans

    Making my own fixed post mirror grinding/polishing . 15/10/2012· 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.Astro-Tel Mirror grinding machine,2001-4-12 · 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 "A" Fig.3, Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated was fitted to the spindle. I also built another machine

  • Fixed post grinding/polishing with full size tools?

    2011-5-3 · Fixed post grinding/polishing with full size tools? posted in ATM, Optics and DIY Forum: I am in the process of making my convex secondary for my 14.5” Harmer Wynne telescope. Can I use a fixed post grinding machine to generate the desired radius with a full size tool? What kind of over hang are we talking about here? I am currently using a pottery wheel with VFD for rpm control for abuild a mirror grinding machine osiedletatrzanska.pl,Building a fixed post mirror grinding machine . 13.10.2019· Re: Building a fixed post mirror grinding machine Post by Kanadalainen » Mon Aug 19, 2019 12:39 pm In this image I have put together a gear reduction stage for my DC motor. Get Price

  • making a mirror grinding machine noirdeble.fr

    2021-4-30 · Building a fixed post mirror grinding machine Aug 19, &#; A few years ago, I was thinking about hand grinding a mirror I watched a video of John Dobson hand grinding a mirror I don’t really remember how big it was, but it was big Maybe 14” Maybe larger John was no youngster in this video and even though he is a master, he sure put a hellova lot of labor into that mirror.telescope mirror grinding machines MC World,Mirror Grinding Machine. 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.

  • Waite Research :: 15" F4.5 Telescope Mirror

    Rough polishing was a high-speed process using a fixed-post polishing machine. The step is performed to rapidly remove the pits left over after fine grinding. The fixed-post method leaves several zonal bands easily visible in the Ronchigram. The mirror is slightly oblate, as mirror grinding machine design ,mirror grinding machine design The Design Mirror Grinding Machine. 2015-8-13 Designing. The Design. I began by measuring the sizes of what I already had, a 1/3 hp 1750 rpm electric motor and a 25:1 geared speed reducer. Then I took a rough cut at the MoM-20 H-frame and placed the motor and gear box on it. Get Price tut44 Making A Mirror