Mirror Grinding Plans

Mirror Grinding Telescopes and Stuff

Mirror Grinding A telescope mirror is a paraboloid which is the surface created by rotating a parabola in 3 space around its axis of symmetry The telescope mirror is made from a glass black which is a spherical piece of glass flat on both sides One surface of the glass is shaped into paraboloid while the other side is unused

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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 …

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Dick Parker s Telescope Mirror Workshop Refractor

The process is exactly like grinding a mirror at this stage The only difference is that the first job is to work the wedge out of each piece Correction for wedge is done by favoring pressure along the thick side of the element for some of the grinding Also it is important to watch carefully the segitta and overall thickness of the glass

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Mirror grinding machine construction log James …

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

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Buy mirror blanks for telescope making Grind Your Own

10 Inch Mirror Blanks 3/4 Thick $55 S&H 16 ;Shipping prices are to the USA not shipping outside the US sorryCombined shipping is possible Write For a complete mirror making KIT with all abrasives polishing compounds pitch and grinding tool included please see our Buy Telescope Mirror Kits website for great prices on plate glass

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Mirror Grinding Machine Hackaday

Sep 26 2021· 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

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Mirror grinding Diy telescope Refracting telescope

Dec 2 2021 telescope making mirror grinding homemade tripod eyepieces astronomy Dec 2 2021 telescope making mirror grinding homemade tripod eyepieces astronomy 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

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Ed Grinds a Mirror

Mirror grinding is a noisy messy wet activity It doesn t take up enough of your attention to fully occupy you but it does take up just enough that you cannot do something else like watch TV listen to the radio etc You re pretty much stuck there looking at your hands and adding water or grit once in a while

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Telescope Making Links Designs and

Large Thin Mirror Making by Mel Bartels Grinding Machines Mirror o matic Tom Waineo s Desktop Grinding/Polishing Machine Ken Lilja s Grinding Machine Grinding Machine Figuring Figuring a Paraboidal mirror by thermal predistortion Optical Testing

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The Mirror The Heart of Britain

Get the latest news sport celebrity gossip TV politics and lifestyle from The Mirror Big stories with a big heart always with you in mind

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How I built an edge grinder for telescope mirror blanks

I borrowed a few ideas from the Mirror O Matic mirror grinding machine particularly how to mount the turntable on top of the pulley Anyone building machinery for cold working glass should have a look at the MOM web site and plans There are lots of good ideas there The large wood circle will become the base of the turntable I drilled a hole in the center of the large wood circle large

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Mirror o Matic mirror making machine ATM pages of

Ring zones on 12 mirror Due to the regular pattern of the pitch lap rings have been engraved into the glass By adjusting the swing of the eccentric to an amount that is slightly more than the diagonal of 1 pitch square we make sure that no ring zones are polished into the mirror M o M polishing a 16 mirror

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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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Mike s Telescope Workshop

I finally decided it was time to build a machine to help me grind the edges of the blanks true and round This is my home built edge grinding machine for grinding down my home cast mirror blanks Click to see the whole project This is a inch diameter inch thick light weight honeycomb back telescope mirror blank that I made myself

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How mirror is made material manufacture making

Mirrors on the edge of a grinding plate or evaporator chamber may not have the same surface or coating as those in the center of the apparatus If there is a wide range of metal thicknesses or surface flatnesses in a single batch of mirrors the process must be adjusted to improve uniformity Several methods are employed to test the integrity of a mirror The surface quality is examined first

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200x Reflecting Telescope & Mirror Grinding How To build PLANS

· 200x Reflecting Telescope & Mirror Grinding How To build PLANS Click images to enlarge Description Plans for building a 200x power 6 Reflecting Telescope and tripod Complete details on grinding and polishing the mirror Has a sturdy equatorial mounting 60 65 long telescope tube 7 8 in diameter ; Uses standard 1 1/4 eyepieces; Details on setting the telescope up and

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mirror grinding machine plans

mirror grinding machine plans My Zeiss grinding and polishing machine YouTube The movie shows the Zeiss machine in all its phases putting together notes drawings and films that make up the story from initial idea to the project

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Woodsmith Plans

Woodsmith Woodworking Plans Woodsmith Plans has hundreds of the best DIY woodworking project plans from Woodsmith ShopNotes and Workbench magazines all for immediate download You will find furniture plans for every room in your home plans for workbenches and shop storage shop made tools easy to build gifts

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telescope mirror grinding machine plans …

telescope mirror grinding machine plans A history of polishing machines AstroSurf mirror grinding machine plans As often in sciences and technology Leonardo da Vinci was a pioneer creating machines for the production of optical devic Indeed between 1513 and 1517 he imagined machines to grind and polish telescope mirrors

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Mirror Grinding Machine Leonardo Da Vinci s Inventions

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 This machine was most likely designed by Leonardo while he was either investigating the different ways that light reflected off things or maybe he was planning on

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PDF Grinding of aspherical SiC mirrors ResearchGate

The mirror freeform grinding may be parameterized by material behavior tool size and posture grinding conditions and abrasive tool performance On the base of virtual ball end algorithm the

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Telescope Mirror Grinding Machine Plans

Mirror Grinding Plans Mirror grinding machine construction log james crombie 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

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PDF Grinding of aspherical SiC mirrors

Although a rotary cup SD8000 diamond wheel with a diameter of 150 mm was employed to grind toroidal SiC mirrors using 2D positioned grinding point [15] the curved workpiece height was only about

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mirror grinding machine plans …

mirror grinding machine plans Water jet Cutting Machine job shops in US IWM manufactures waterjet cutting machine and water jet cutter spare parts IWM supplies cnc plasma cutting machine new and used Water jet plasma cutter

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High Efficiency Mirror Grinding of AlN by Ultra Precision

Plane honing machining of aluminum nitride AlN was investigated in this study AlN has advantageous thermal and dielectric characteristics and is in great demand as a semiconductor mounting board or packaging parts material However as AlN is a sintered material the AlN grains readily detach during machining making it difficult to obtain fine surface roughness at high efficiency

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Making a homemade mirror grinding machine

· Making a homemade mirror grinding machine posted in ATM Optics and DIY Forum I want to make a motorized mirror grinder any good info on this i have a couple geared motors low speed high torque One more question will 1 1/2 shaft size pillow block bearings work good for a homemade EQ mount Thank you John

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Mirror grinding scope making

For hogging out we start with the chordal stroke Put the tool on the bottom add half a teaspoon of #80 grit sprinkle with water and place the mirror center near the edge of the tool Use 1/3 mirror diameter strokes This means that stroke is 1/3 length in total 1/6 forward 1/6th backwards

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Mirror O Matic Dr Debug

I decided to try my hand at grinding an polishing my own mirror Before I took the plunge of buying glass I wanted to see if I could build the required devices needed to grind polish and test a mirror Build a Ronchi / foucault tester Build a machine to grind the mirror AKA mirror o matic Buy some glass Mirror

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Fixed post mirror grinder advice DIY Astronomer

Nov 01 2021· 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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Fixed post mirror grinder advice DIY Astronomer

· We ve been having some idle discussions about grinding mirrors here In particular we ve been discussing building a fixed post mirror grinding turntable for cutting mirrors up to about a 24inch diameter to spherical Have a look for the plans of the mirror o matic by Denis Reichs

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Homemade Telescope Making Google Search

A table saw covered with layers of newspaper about 1/2 inch thick to support the mirror and tool was used as the grinding stand A wet began by spraying the disks with water and smearing a small amount of grit over the tool or mirror with my fingers The mirror or tool was then carefully placed on top of the tool or mirror and

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Grinding Machine for Large Telescope Mirrors

I designed and built a grinding machine for mirrors up to 42 inches [] in diameter By slipping on and off a couple of belts the machine can quickly be reconfigured for spinning work or for stroking work The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on the side of

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