fixed post mirror grinding machine
Welcome to the broken dawn

fixed post mirror grinding machine

Making my own fixed post mirror grinding/polishing machine ...

Oct 15, 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. 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

Read More
Fixed post mirror grinder advice - DIY Astronomer ...

Nov 01, 2011 · Basically there are two types of grinding/polishing machine. The ‘traditional’ type which involves the mirror rotating at a relatively slow speed, a few rpm for a big mirror (16-20 inches) with the tool moving across the mirror, from side to side, at a higher rpm depending on the size of the mirror

Read More
jeffbaldwin.org

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 in this position.

Read More
Building a fixed post mirror grinding machine ...

Aug 19, 2019 · Re: Building a fixed post mirror grinding machine Post by Kanadalainen » Mon Aug 19, 2019 12:10 pm I I had a nice piece of 3/4" stainless dowel that was begging to be used.

Read More
Fixed-Post Mirror Grinding Machine - YouTube

Shown here I have the overarm locked to use the machine in fixed-post grinding/polishing mode. The overarm can be engaged with adjustable stroke length. Show...

Read More
Rough Grinding a 20" Quartz Telescope Mirror on the Fixed ...

Mar 07, 2010 · 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 abrasiv...

Read More
Using the Fixed-Post Grinding Machine for Rough Grinding ...

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...

Read More
Building a fixed post mirror grinding machine - Page 2 ...

Oct 13, 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.

Read More
8" F6 Mirror Grinding - Dr. Debug

Oct 17, 2009 · At this stage I was using 320 grit. For all of the rough an fine grinding the mirror-o-matic was setup to spin the turntable at 50 - 60rpm an the eccentric set to spin at about 7 - 10rpm. Most of the grinding process used a fixed overarm position with about a 1/4" overhang.

Read More
Fixed Post Mirror Grinding Table - designed with 123D ...

May 23, 2015 - Fixed Post Mirror Grinding Table - designed with 123D Design. May 23, 2015 - Fixed Post Mirror Grinding Table - designed with 123D Design. Pinterest. Today. Explore. When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures.

Read More
Fixed post mirror making machine - ATM, Optics and DIY ...

Mar 25, 2009 · Fixed post mirror making machine - posted in ATM, Optics and DIY Forum: I am in the process of constructing a fixed post mirror grinding machine. This will be for grinding a 20 inch mirror. I have successfully ground a 14 inch mirror by

Read More
Fixed post grinding/polishing with full size tools? - ATM ...

May 03, 2011 · 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 a ...

Read More
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. 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 and have made a parts list

Read More
Mirror-o-Matic and fixed position tool grinding - ATM ...

Oct 02, 2005 · 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 spoken about this to me and on this forum, as recently as today in the thread “Grinding my 18 f/6†.

Read More
Building a fixed post mirror grinding machine - Page 2 ...

Oct 13, 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.

Read More
Simulator (not only) polishing parabolic mirrors (POLSIM ...

Mar 12, 2018 · Tool diameter; (default 150mm) – enter 375 (as the fixed post machine requires a tool with a diameter of about 75% of the one of the mirror being worked) ) Number of zones (default 30) optionally you can enter 60, only for a (perhaps) better “rendering” of the excavation through the smaller width of the histograms. .

Read More
Fixed post mirror grinder advice - Page 2 - DIY Astronomer ...

Oct 29, 2018 · Fixed post mirror grinder advice. By Velikovsky, March 4, 2011 in DIY Astronomer. Share Followers 7. Prev; 1; 2; Next; Page 2 of 2 . Recommended Posts. ... I am looking for plans in order to build my own fixed post for grinding machine Link to post Share on other sites. fwm891 2,360 Posted October 26, 2018. fwm891. Retired Photographer; Members ...

Read More
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. Most of them came from industrial junk yards.

Read More
Mirror Grinding Machine | Hackaday

Sep 26, 2006 · 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.

Read More
Fixed Post Mirror Grinding Table - designed with 123D ...

May 23, 2015 - Fixed Post Mirror Grinding Table - designed with 123D Design. May 23, 2015 - Fixed Post Mirror Grinding Table - designed with 123D Design. Pinterest. Today. Explore. When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures.

Read More
telescope mirror grinding / polishing machine with ...

The machine is shown grinding a 300 mm mirror.How to build a tachometer: florin.myip.org/blog/making-tachometer-grinding-polishing-machine-telescope-m...

Read More
mirror-maker - Waite Research Telescope Mirrors :: Home

Apr 29, 2010 · 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.

Read More
Astronomy Options | Astronomy, Mirror Making, Telescopes ...

Currently manufacturing a 16″ diameter 1″ thick plate glass f3.88 Newtonian telescope mirror. Doing this with my new fixed post grinding machine built this summer. Work is progressing well, and very efficient.

Read More
Waite Research :: 15" F4.5 Telescope Mirror

After fine grinding, the mirror was rough polished on the fixed-post machine using a pitch polisher. The Ronchigrams in the photo area show the progress of the mirror from rough polishing through figuring. After the mirror is finished up, I use a diamond stylus to engrave my name, the focal length and the date on the back of the optic.

Read More
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. Most

Read More
Astro-Tel - Mirror grinding machine

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

Read More
Optics - Norway's largest optical telescope

Sep 02, 2017 · Fine grinding with a fixed-post grinding machine The fixed-post grinding machine is simple but effective. Exerting 0.75 horsepower, it makes the grinding, polishing and figuring of the 62 centimeter primary and 20 centimeter secondary mirror possible by smooth movement and even distribution of stresses over six, 100 mm diameter Rollerblade© wheels.

Read More
Mirror grinding machine construction log - James Crombie

I also made a short animation of the grinding movement in AVI(1.7mb) or as a animated GIF(2mb) GRINDING LOG-----July 22, 2003 Machine settings - Platter set at 15rpm - Overarm speed - 6 strokes per min (fixed), Stroke+/- 2.375" aprox 10 lbs weight on mirror.

Read More
telescope grinding machine

Nov 06, 2020 · 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

Read More
Waite Research :: 20" F3.0 Project "J"

For this, I ground with about 25 to 35 pounds of weight added on top of the mirror, running the fixed-post grinding machine full out at 60 rpm's. After grinding and polishing, the mirror was figured by hand using sub-diameter pitch polishers. You can see a photo of the mirror

Read More
Parabolizing a Telescope Mirror - BBAstroDesigns

As measured from where the mirror's center rays cross the mirror's axis, each zone should cross at a point r^2/2R, where little r is the zone's radius and big R is the Radius of Curvature (this is for a moving light source, for a fixed light source double the values). Consider the 10 inch [25cm] F5 as pictured.

Read More
grinder machine mirror

telescope mirror grinding machine ATM books mirror blanks . This is a grinding machine for the amateur telescope mirror maker who is interested in a grinding and polishing machine. It is what is called a "fixed post machine". If you are not familiar with it check out "Gordon Waite" on Youtube.

Read More
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. Most of

Read More
10 Inch Telescope Mirror Kit - Pinterest

10 Inch Telescope Mirror Kit. Make your own 10 inch telescope mirror. This kit Includes everything you need to grind your own top quality telescope mirror. Saved by Roberto Varela. 27. Mirror Kit Stargazing Telescope Favorite Things Projects To Try Sky Homemade Space How To Make.

Read More
Waite Research Mirrors For Telescopes - Science ...

The new fixed-post grinding machine is working on the 14.75" quartz mirror. This video shows rough grinding on the blank, which is done to get the mirror to the exact focal length we want. This mirror will have a focal length of 60", which is F4. A steel-nut and die stone tool is fixed in place with a slight overhang over the edge of the mirror.

Read More
YouTube | Diy telescope, Telescopes, Telescope

Aug 10, 2018 - The curve on the 20" quartz telescope mirror needs to be deepened from a roughly spherical surface toward parabolic. Gordon Waite shows how to use 7", 8" an...

Read More
Waite Research :: 20" F3.57

Included here are pictures of the grinding tool I made for this mirror. Also a photo of my spherometer and a test of the mirror's sagitta. The final picture is the mirror grinding in the fixed-post configuration on my grinding machine.

Read More
Copyright © 2021.Company name All rights reserved.Dawn Broken
E-mail: