fixed post mirror grinding machine - Stone Crushing Machine
fixed post mirror grinding machine | Solution for ore mining Rough Grinding a 20″ Quartz Telescope Mirror on the Fixed-Post … This video shows how to setup a mirror grinding machine for fixed-post grinding, also known as ... Chat Now Here's Jeff fixed-post grinding on a 24" using Greg's machine.. ...
اقرأ أكثرTelescope Mirror Grinding Machine - Crusher Mills
Waite Research LLC | Premium Newtonian Primary Mirrors. 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.
اقرأ أكثرOptics - Norwegian Very Large Telescope
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.
اقرأ أكثرUS1171174A - Parabolic-mirror-grinding machine. - Google
The point 32 bearing a'constant fixed relation to .the slide 34 must move in a straight horizontal line or a line parallel to the directrix. It follows, therefore, that when the slide is'moved in either direction .the concavity is deepened or the curve from the normal or mid position shown in full lines in Fig. 1, the two points 31 and 32 move ...
اقرأ أكثرtelescope mirror grinding / polishing machine with tachometer
The machine is shown grinding a 300 mm mirror.How to build a tachometer:
اقرأ أكثرWaite 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.
اقرأ أكثرFixed post mirror grinder advice - Stargazers Lounge
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 …
اقرأ أكثرMaking A Mirror Grinding Machine - kunst-bewegt.ch
Mirror-O-Matic grinding machine. When I decided in 2009 after a ten-year break to get into mirror mak. Making A Mirror Grinding Machine T14:12:11+00:00 ... both the turn …
اقرأ أكثرMirror Grinding Machine | Hackaday
Post navigation. ← Rebuilding Tube Amps. Rotary Subwoofer →. 6 thoughts on " Mirror Grinding Machine " Phugedaboudet says: September 27, 2006 at 5:49 pm
اقرأ أكثرdiy lens grinding machine - 123chauffage.fr
20121015 ensp 0183 enspPage 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 ...
اقرأ أكثرBuilding a fixed post mirror grinding machine
Building a fixed post mirror grinding machine. I'm fascinated by those who can grind and figure their own mirrors for reflecting telescopes. With the availability of kits to finish beautiful ATM dobs from companies like dobstuff, the lure of building one's own scope to high tolerances and good performance is clearly doable.
اقرأ أكثرWaite Research Mirrors For Telescopes - Posts | Facebook
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 …
اقرأ أكثرDrill powered Fixed Post grinding machine - YouTube
About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators ...
اقرأ أكثرTelescope Mirror Making - Pinterest
Jun 8, 2017 - Explore Neil Aubrey's board "Telescope Mirror Making" on Pinterest. See more ideas about telescope, telescopes, amateur astronomy.
اقرأ أكثرWaite Research :: 20" F4.5 Mirror Fabrication
The grinding sequence was 25-micron, 12-micron, and 9-micron then finishing with 5-micron. The mirror was rough polished using high-speed fixed-post polishing on a 75% pitch …
اقرأ أكثرBuilding a fixed post mirror grinding machine - Page 2
Re: Building a fixed post mirror grinding machine. Update summary: Lots of work to get to this point. 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.
اقرأ أكثرPin on telescope making - Pinterest
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... 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...
اقرأ أكثرMaking a Mirror grinding & Polishing machine - Cloudy Nights
Page 1 of 5 - Making a Mirror grinding & Polishing machine - posted in ATM, Optics and DIY Forum: Hello, I am on the half of the way to make a mirror grinding machine inspired by original M-O-M design. I made the pulley arrangement such a way that, both the turn table & eccentric spins at 50 RPM fixed. I wont go for making mirror bigger that 10.5 (or max …
اقرأ أكثرFixed-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...
اقرأ أكثرGlass Grinding Machine - Fujian Baineng CNC Equipment Co., Ltd.
Features. 1)Install Baineng CAM software on Windows system,the user can draw various shapes on CAD, then generate the code by CAM to start processing automatically. 2) Developed …
اقرأ أكثرFixed post mirror grinder advice - Page 2 - Stargazers Lounge
Fixed post mirror grinder advice. By Velikovsky, March 4, 2011 in DIY Astronomer. Share. Posted November 6, 2011. By July 30. August 2. By August 2.
اقرأ أكثرMirror Grinding Machine Plan | Crusher Mills, Cone Crusher, Jaw …
On the picture below the machine is fine grinding an 8 inch mirror with an 71% tool (143 mm diameter) … plan of grinding machine – Project Case – Cruher and grinder … Toyo is continuing to expand the size of its ultra-large vertical grinding machines and …
اقرأ أكثرfixed post mirror grinding machine - Stone Crushing Machine
fixed post mirror grinding machine. Waite Research :: 24" F3.5 Mirror Fabriion The big glass was placed on the turntable of my fixed-post grinding machine, ... This is where a beefy machine is needed. The 2" thick mirror weighs in at about 65 ... Rough Grinding a 20" Quartz Telescope Mirror on the Fixed ...
اقرأ أكثرWaite Research Telescope Mirrors :: Home
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.
اقرأ أكثرLarge Thin Mirror Making - BBAstroDesigns
In addition, a great deal of money will be saved: a finished 24" scope will set you back $7,000; grinding your own mirror and building the mount yourself will cost you $2,000. Amateurs have made mirrors up to 41" by hand. A grinding machine relieves the labor, but is not necessary. A 24" is the largest you can comfortably do solo.
اقرأ أكثرOptics - Norwegian Very Large Telescope
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 …
اقرأ أكثرTelescope Mirror Grinding Machines - Crusher Mills
Rough Grinding on the Fixed-Post Mirror Grinding Machine. Hogging the Curve on a 20" f/4.5 Quartz Telescope Mirror. Stellafane Links Page (October 2002 Stellafane Mirror Class) Telescope Making Workshops and Seminars … Grinding Machines A Mirror-O-Matic Machine. Bob's Large Machine; Elgin Style Machine
اقرأ أكثرMirror 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. To use these parts, I had to modify some of ...
اقرأ أكثرFixed-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. Shown here, the machine is grinding an 8"...
اقرأ أكثرFixed-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 …
اقرأ أكثرFixed abrasive grinding of CVD SiC mirrors - ScienceDirect
A strategy for machining ceramic (silicon carbide) mirrors is described. By taking advantage of the relative ductility of ceramics compared with that of glass, it is shown that …
اقرأ أكثرTelescope Mirror Making - Pinterest
Grinding Machine. Science And Technology. Inventions. Good Things. Quartz. Galaxy Note. Rough Grinding a 20" Quartz Telescope Mirror on the Fixed-Post Machine. Stargazing …
اقرأ أكثرWaite Research Telescope Mirrors :: Home
April 20, 2013--With the introduction of their Renegade 20" f/3.0 reflector, Waite Research has expanded from the fabrication of precision telescope mirrors into the manufacture of complete Newtonian telescope …
اقرأ أكثرWhich Style Grinding Machine For Telescope Mirror? (Best …
What is the most efficient method of grinding mirrors? Roughness in stroke numbers, tool rotation, and disc rotation are all important factors in good mirror grinding. …
اقرأ أكثرMaking A Mirror Grinding Machine - kunst-bewegt.ch
Mirror-O-Matic grinding machine. When I decided in 2009 after a ten-year break to get into mirror mak. Making A Mirror Grinding Machine T14:12:11+00:00 ... both the turn table eccentric spins at 50 RPM fixed. I wont go for making mirror bigger that 10.5 (or max 12). Get Price. Mirror grinding machine construction log - James Crombie ...
اقرأ أكثرWaite Research :: 20" F4.5 Mirror Fabrication
The grinding sequence was 25-micron, 12-micron, and 9-micron then finishing with 5-micron. The mirror was rough polished using high-speed fixed-post polishing on a 75% pitch polisher. Rough parabolization was handled with a 40% lap to rapidly move the mirror away from spherical and toward the paraboloid we wanted.
اقرأ أكثر24" Mirror Grinding and Polishing Machine - IceInSpace
Location: Melbourne. Posts: 9. 24" Mirror Grinding and Polishing Machine. I started this thread to record my building progress of a new mirror grinding and polishing …
اقرأ أكثرChevalier provides superior grinding, turning and milling …
Founded in 1978, Chevalier is a CNC machine manufacturer that transfroms your ideas into valuable intelligent products. We meet our customers' high standards by assembling our grinding, turning and milling machines in our own ISO 9001-certified factories.
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