mirror grinding building r
2021-10-12T14:10:19+00:00
tut44 Making A Mirror Grinding Tool
Making A Mirror Grinding Tool By Allen Malsburry The average person would never think, “I can make my own For many decades now, amateur astronomers have been building their own telescopes In the good old days, building your own telescope was the only way to get an affordable large aperture telescope Back in the day, owning your own 10” telescope was Add the usual half teaspoon of grit, sprinkle with water and grind for a couple of minutes, rotating tool and mirror often Rinse the mirror and inspect the grid lines If the grid is worn out evenly, you are doing fine If you grinded with TOT, the edges will be more worn than the center, and vice versa if MOT This is okayMirror grinding scope makingMy Mirror Grinding Machine For a long time I've wanted to build a machine for grinding telescope 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 To use these parts, I had to modify some of Dennis' plans How I did it is described Mirror Grinding Machine
Joy of Mirror Making: Rough Grinding BBAstroDesigns
31 lignes Grinding the curve into the mirror face can be done by one of the following Mirror grinding machine construction log I started thinking about building my own mirror grinding machine several years ago Having been on the ATM list now since almost the beginning of it here on the web, I had lots of of inspiration reading of others projects and viewing their webpages I started out with wooden table and some bits cobbled out of our scrap bin at Mirror grinding machine construction log James Crombie19/08/2019 Re: Building a fixed post mirror grinding machine I I had a nice piece of 3/4" stainless dowel that was begging to be used So I bought a cheap pillow block to provide the locator for the metal dowel, and then drilled the overarm to fit These pillow blocks are $8 and come complete with a locking collar great dealBuilding a fixed post mirror grinding machine
Making a homemade mirror grinding machine ATM, Optics
06/03/2006 The larger one is for grinding and polishing mirrors and is also used at higher speeds to centrifugally cast resin mirrors, an experiment I am playing with in my spare (sic!) time The smaller mirror is used for power wrapping epoxy impregnated fiberglass around mandrels for making tubes and cylindrical components for open trussesThe MoM is a marvellous machine due to its simplicity and yet refined design It is extremely flexible accommodating mirror sizes from 4 inch up to 20 inch (with slight modifications) and can be used for all three steps necessary in producing a mirror That is you can use it to grind, polish and figure your opticsMirroroMatic mirror making machine ATM pages of 01/11/2011 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/polishFixed post mirror grinder advice DIY Astronomer
Joy of Mirror Making: Rough Grinding
I use an old printer stand Here is a 25 inch [635cm] mirror being rough ground followed by a beautiful grinding stand from the Delmarva Mirror Making Seminar Grinding Tools To construct a grinding tool, attach unglazed 26/09/2006 Mirror Grinding Machine The true test of the amateur astronomer is building their own telescope Grinding and polishing your own mirrors is a long, arduous process Instead of lapping the blank Mirror Grinding Machine Hackaday19/08/2019 Re: Building a fixed post mirror grinding machine I I had a nice piece of 3/4" stainless dowel that was begging to be used So I bought a cheap pillow block to provide the locator for the metal dowel, and then drilled the overarm to fit These pillow blocks are $8 and come complete with a locking collar great dealBuilding a fixed post mirror grinding machine
Mirror Grinding Machine ATM, Optics and DIY Forum
29/09/2010 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 Grinding On the picture below the machine is fine grinding an 8 inch mirror with an 71% tool (143 mm diameter) and 9 micron aluminium oxyde The bent lines on the mirror are the effect of the tool turning with respect to the mirror faster at the central part of the mirror as compared to the edge zones The speed of the turntable is 45 rpm Making a MirrorOMatic Mirror Making Machine Jan van GastelRough 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 telescope (eg F/D = 4) well suited for deep sky observations On the opposite, a shallow mirror (eg F/D = 8) will be performing very well on planets and the moon The theory behind grinding is that you can Build your own telescope part 1: The mirror Thomas
Fast Mirror Grinding Polishing The ATMs Workshop
15/11/2001 Fast Mirror Grinding and Polishing Miscellaneous Tips and Techniques John D Upton November 15, 2001 (Updated July 15, 2002) Many ATMs, by their very nature, are experimenters This article discusses some of the odd techniques I have used in grinding and polishing mirrors Some were successful, others were tried and discarded for one reason or Make a grinding tool from finishing plaster, hydraulic cement, casting plaster, or concrete, available at well equipped building supply houses Cover the face of the mirror with plastic wrap Build a dam on the mirror's face from cardboard 1 1/2" to 2" high Mix the plaster together with water in a bucket and pour into the mold The plaster will set quickly In a few hours you can Large Thin Mirror Making BBAstroDesigns05/10/2005 I'm building the one with the "upgrade" to accommodate up to a 20" mirror :shock: I hope to finish it by the end of August and start grinding my own mirrors Cross your fingers for me 8) Cross your fingers for meMirror grinding machine DIY Astronomer Stargazers Lounge
Telescope Making Links Designs and Techniques STAR
Grinding Large Thin Mirrors Part I Grinding,Polishing and Figuring Large Thin Mirrors Part 2 Polishing Astronomy, telescope making ,mirror grinding and testing Large Thin Mirror Making by Mel Bartels Grinding Machines Mirroromatic Tom Waineo's Desktop Grinding/Polishing Machine Ken Lilja's Grinding Machine Grinding Machine Figuring26/09/2006 Mirror Grinding Machine The true test of the amateur astronomer is building their own telescope Grinding and polishing your own mirrors is a long, arduous process Instead of lapping the blank Mirror Grinding Machine HackadayMirroroMatic mirror grinding machine Index Introduction; Building the machinee; First trials; Testing Equipment; Spherometer; Mirror mount; Foucault tester; Ronchi grating; Grinding log ; Further links; Introduction The mirror SkyBadger Mirror Grinding Machine
Fast Mirror Grinding Polishing The ATMs Workshop
15/11/2001 Fast Mirror Grinding and Polishing Miscellaneous Tips and Techniques John D Upton November 15, 2001 (Updated July 15, 2002) Many ATMs, by their very nature, are experimenters This article discusses some of 13/10/2019 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 reductionBuilding a fixed post mirror grinding machine Page 2 11/05/2017 Page 1 of 3 Mirror Grinding Take A Class Or DIY? posted in ATM, Optics and DIY Forum: Ive been interested in grinding/polishing my own Newt mirror for a long time but dont know how to get started As a beginner, would you recommend attending a workshop or class or is it possible to make a good mirror using other learning resources such as books Mirror Grinding Take A Class Or DIY? ATM, Optics and
Large Thin Mirror Making BBAstroDesigns
Make a grinding tool from finishing plaster, hydraulic cement, casting plaster, or concrete, available at well equipped building supply houses Cover the face of the mirror with plastic wrap Build a dam on the mirror's face from cardboard 1 1/2" to 2" high Mix the plaster together with water in a bucket and pour into the mold The plaster will set quickly In a few hours you can 05/10/2005 I'm building the one with the "upgrade" to accommodate up to a 20" mirror :shock: I hope to finish it by the end of August and start grinding my own mirrors Cross your fingers for me 8) Cross your fingers for meMirror grinding machine DIY Astronomer Stargazers LoungeGrinding a Mirror "For it is true that astronomy, from a popular standpoint, is handicapped by the inability of the average workman to own an expensive astronomical telescope It is also true that if an amateur starts out to build a telescope just for fun he will find, before his labors are over, that he has become seriously interested in the wonderful mechanism of our universeStellafane ATM Main Page
Telescope Mirror Kits Firsthand Discovery
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 Please note that our kits do not include a grinding tool or pitch lap If you need materials for making a grinding tool or pitch lap, we have them available on our Tools page A Grinding the secondary is just like grinding any other optic except in minature I ground the secondary with the mirror on a workstand and worked the tool on top just like I would grind a larger mirror This optic is small enough that a lens grinding machine could work well I did not have a lens grinding machine and it is not necessary if you do not have one Keep in mind Dick Parker's Telescope Mirror Workshop: Cassegrain