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Fixed Post Mirror Grinding Table designed with 123D During this time he has visited hundreds of tooling workshops around the world and has built up his knowledge on grinding machines He has also seen firsthand how following a few simple steps can help shops get the most out of their grinding machines Most of these tips would be part of an operator s everyday activities he says…

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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 …

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mirror grinding machine design mirror grinding machine design Mirror Grinding Machine ATM Optics and DIY Forum mirror grinding machine design This image shows the 3D model of the overarm assembly I added to my small spin post grinding machine …

Waite Research Mirrors For Telescopes Grinding Machine

Our newest grinding and polishing machine features interchangeable turntables and a variable speed drive The machine can run at 3 or 4 rpm s for hand polishing or up to 60 rpm s for fixed post grinding or rough polishing The 3 4 hp 3 phase AC motor and 30 1 gearbox provide plenty of power for grinding …

Mirror Polishing YouTube

20 mirror polishing with machine ATM Turk by atilatinkilic 0 27 Half W parabolizing stroke by powderpark 3 16 Deleted video Mirror Grinding Machine by benjamintmullin 0 21 Mirror o matic figuring with various offsets by Berthold Hamburger Rough Grinding a 20 Quartz Telescope Mirror on the Fixed Post Machine by GordonWaite …

GordonWaite YouTube

Using the Fixed Post Grinding Machine for Rough Grinding an 11 inch Telescope Mirror Duration 5 minutes 53 seconds …

Fixed post mirror making machine ATM Optics and DIY

 · 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 hand I have a 1 2 hp single phase motor the shaft rotates at 1400rpm I want to get this down to 40 rpm using pulleys …

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So there are a few machine styles out there In our shop we use fixed post grinding and polishing then parabolizing with an Elgin style system 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 Mirror Grinding Machine My Mirror Grinding Machine …

Waite Research Telescope Mirrors Home

Using the Fixed Post Grinding Machine for Rough Grinding an 11 inch Telescope Mirror Duration 5 minutes 53 seconds …

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Grinding action of a polishing lap eliminating its action completely to ensure a fixed overhang and aim at precisely bringing correction to a given zone or centre the strokes to rub down the centre more rapidly machine figuring a mirror in a fully automatic process the operator just pressing a button to get the perfect mirror …

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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 The best Telescopes For beginners in the market Outdoor Click Rough Grinding a 20 Quartz Telescope Mirror on the Fixed Post Machine …

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Making a Mirror grinding Polishing machineMar 16 2015Wanting To Grind A 20 Mirror Where Do I Start ATMSep 09 2013Making my own fixed post mirror grinding polishing machineOct 15 2012mirror grinding machines …

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grinding machine fixed Newest Crusher Grinding Mill This video shows how to setup a mirror grinding machine for fixed post grinding also known as spin grinding or spinning After setup Chat Now Fixed Post Mirror Grinding Machine YouTube Shown here I have the overarm locked to use the machine in fixed post grinding polishing mode …

Waite Research Mirrors For Telescopes Grinding Machine

Our newest grinding and polishing machine features interchangeable turntables and a variable speed drive The machine can run at 3 or 4 rpm s for hand polishing or up to 60 rpm s for fixed post grinding or rough polishing The 3 4 hp 3 phase AC motor and 30 1 gearbox provide plenty of power for grinding mirrors up to 20 inches in diameter …

Rough Grinding a 20 Quartz Telescope Mirror on the Fixed

Jul 1 2013 Rough Grinding a 20 Quartz Telescope Mirror on the Fixed Post Machine Stay safe and healthy Please practice hand washing and social distancing and check out our resources for adapting to these times …

Mirror Polishing YouTube

May 23 2015 Fixed Post Mirror Grinding Table designed with 123D Design Stay safe and healthy Please practice hand washing and social distancing and …

Mirror o Matic mirror making machine ATM pages of

Mirror O Matic grinding machine When I decided in 2009 after a ten year 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 …

Making my own fixed post mirror grinding polishing machine

 · 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 …

Astronomy Options Astronomy Mirror Making Telescopes

 · I had mentioned the mirror surface being hazy along an area near the edge Doing some research I found this is likely due to not having the lap in the ideal location in relation to the mirror on the fixed post machine Typically it is best to have the position of the lap overhang the mirror by 1 6 the diameter of the mirror …

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Making a Mirror grinding Polishing machine Mar 16 2015· 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 …

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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 abrasive and Rough Grinding – 8″ fixed post grinding – YouTube Hogging a 8 inch telescope mirror …

Simulator not only polishing parabolic mirrors POLSIM

 · 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 …

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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 Live Chat Large Thin Mirror …

Building a fixed post mirror grinding machine

 · Re Building a fixed post mirror grinding machine Post by Kanadalainen Fri Aug 16 2019 5 17 pm Update The 6061 aluminum turntable top was ready this …

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mirror grinding machine design msg De Kameel grinding machine design elementals Archive IceInSpace When I hand ground a mirror once upon a time it wasn t too difficult but that was a 6 mirror I want to make a machine to grind a 20 mirror …

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SkyBadger Mirror Grinding Machine Want to build your own telescope Start with one of our telescope mirror kits Each kit comes with a telescope mirror blank and all the abrasives silicon carbide grits and white aluminum oxide powders cerium oxide polish and pitch to grind and polish it to your specifications …

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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 …

Mirror Grinding Machine ATM Optics and DIY Forum

 · 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 …

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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 …

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Grinding machine fixed magnetic chuck MVM srl The FX 20 model grinding machine is available with grinding lengths ranging from 1500 mm to 7100 mm and longer for special grinding applications The FX 20 grinder features high power grinding wheel motor and fixed chuck making it suitable for all types of surface grinding …

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 …

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Mirror Grinding Machine Leonardo Da Vinci s Inventions Mirror Grinding Machine Leonardo s Mirror Grinding Machine leonardo miror grinding machine The mirror or lens grinding machine is a masterpiece of mechanical engineering It has several gears in mesh at all times and also has several variable settings built into it …

Mirror o Matic mirror making machine ATM pages of

 · 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 …

Waite Research Telescope Mirrors Home

Measuring the Radius on the 20 Mirror DIY Spherometer Part 1 The Build DIY Spherometer Part 2 Calibrating and Using the Instrument Recycling Pitch for Laps for the the 20 Quartz mirror Pouring a 15 Pitch Lap Channeling a 15 Pitch Lap Fine Grinding a 20 Quartz Telescope Mirror Rough Grinding on the Fixed Post Mirror Grinding Machine…

Building a fixed post mirror grinding machine Page 2

 · 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 …

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Telescope Mirror Making Part Rough Grinding This is part 2 of my video series documenting grinding and polishing a inch telescope mirror I m using a spin or fixed post grinding machine This video shows a few initial stages of making a primary mirror for a telescope After hogging the mirror blank to depth the rough grinding stage begins …

Fixed abrasive grinding of CVD SiC mirrors ScienceDirect

No data are available for time spent performing the super polishing operation shown in this table PRECISION ENGINEERING 113 Bifano Yi and Kahh Fixed abrasive grinding Table 4 Grinding conditions on PVTB machine Flat mirror f 400 SiC mirror f 14 SIC mirror Grinding geometry Contour grinding Contour grinding peripheral wheel peripheral wheel …

The Joy of Mirror Making Parabolizing 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 …

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Mirror Grinding Machine 2015 2 21page 1 of 2 mirror grinding machine runout posted in atm optics and diy forum i am in the process of making a fixed post mirror grinding machine big enough for a 20 inch mirror have now got the motor pulleys two shafts and turntable all together and workinghe turntable rotates at around 25 rpm which i think should be okf i put a dial indicator on the …

Document sans nom Astrosurf

For this he used a polishing machine which he described as early as 1841 for the benefit of the Royal Society Later on still another amateur a rich merchant William Lassell 1799 1880 used a polishing machine for the creation of large sized mirrors notably a 122cm mirror that was set up …

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 …

Fixed post grinding Hogging an 8 YouTube

 · Hogging a 8 inch telescope mirror This machine is hand made using domestic drill kits and tool kits This machine design was inspired from gordon whaite s fixed post grinding machine …

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AstroTel 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 Fig3 Page 163 Amateur Telescope Making Book 1 A bowl which rotated was fitted to the spindle I also built another machine …

Fixed post mirror grinder advice DIY Astronomer

 · 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 …

Mirror Grinding Machine Hackaday

 · 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 …

Fixed post grinding polishing with full size tools ATM

 · 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 …

Mirror grinding machine runout ATM Optics and DIY Forum

 · Page 1 of 2 Mirror grinding machine runout posted in ATM Optics and DIY Forum I am in the process of making a fixed post mirror grinding machine big enough for a 20 inch mirror I have now got the motor pulleys two shafts and turntable all together and working The turntable rotates at around 25 rpm which I think should be OK If I put a dial indicator on the top of the table near the …

53 Best Telescope Mirror Making images Telescope Diy

8 Jun 2017 Explore neilaubrey s board Telescope Mirror Making on Pinterest See more ideas about Telescope Diy telescope and Astronomy …

mirror grinding machine design

tut44 Making A Mirror Grinding Tool The mirror machine came to me as a result of astronomical horse trading swapping a large GEM mount and a 8 Newtonian OTA for the machine as it was and a start kit consisting of two 6 blanks and the grit rouge and pitch to manufacture a mirror …

Waite Research 24 F3 5 Mirror Fabrication

After the tool was hard I used a rotary tool and diamond bit to route shallow grooves between all the tiles This helps disperse the abrasives helps the tool grind faster and avoids suction locks between the tool and mirror The big glass was placed on the turntable of my fixed post grinding machine …

Rail Grinding Portable Mirror Grinding Lounge

Rail Grinding Portable Mirror Grinding Lounge Mirror Grinding Machine YouTube Jun 24 2013· this is my nearly completed fixed post mirror grinder still some work to do left but this is a test for functionality there s also a short vid on my digital home built kiln controller and more Portable Rail Grinder Grinding Wheel ERICO…

 

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