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Making A Mirror Grinding Machine

A course diamond grinding drum is installed on the grinder it will be used to take off the rough edges and make blanks truly round then a switch to a finer grinding drum will clean up the edge the edge grinder is done here i am doing a dry run to make sure everything works a 135 diameter wood disk has been installed on the grinder.

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Mirror Grinding

A good starter size is the 150 mm 6 mirror a 200mm 8 will also work most atm books and websites recommend a pyrex mirror blank but in my opinion annealed plate glass is better for this first learn and practice mirrorit is cheaper it is softer and grinds faster needing less abrasives and with these small sizes the low expansion glass like pyrex has no practical visible at

Tut44 Making A Mirror Grinding Tool

After fine grinding is complete the mirror must be polished it is during polishing that you figure the mirror by using a different polishing stroke to change the mirror’s spherical polished shape into a parabolic polished shape see a related tutorial nearby titled making a mirror

Telescope Making Links

Astronomy telescope making mirror grinding and testing large thin mirror making by mel bartels grinding machines mirroromatic tom waineos desktop grindingpolishing machine ken liljas grinding

Building A Fixed Post Mirror Grinding Machine

Aug 19 gordon waite is probably one of the better mirror makers using this machine and have incorporated some of his ideas into my plan i like the fixedpost plan vs others with eccentric drives because it gets the heavy grinding done in an automated

Telescope Mirror Grinding Machine

Datscope – telescope mirror grinding machine new grinding machine the new grinding machine is being used to remake the old tro 30 inch mirror and the three 20 inch mirrorsit will be capable of making a more

Astronomy Options Astronomy Mirror Making Telescopes

Finally had a chance to move to finer grinding compound i’m very impressed with how much manual labor can be taken out of making a mirror with a grinding machine the methods used here are from gordon waites youtube videos that area available for all to

Large Thin Mirror Making

In addition a great deal of money will be saved a finished 24 scope will set you back grinding your own mirror and building the mount yourself will cost you 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

Making A Homemade Mirror Grinding Machine

Mar 06 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 12 shaft size pillow block bearings work good for a homemade eq mount thank you

Mirror Grinding Machine Construction Log

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

Mirror Grinding Machine For Sale

Mirror making machine alibabacom results mirror making machine you can buy various high quality mirror making machine glass bevel grinding machine glass mirror making

How Mirror Is Made

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

Making The 20 Inch Conical Mirror Pierre Lemay

My grinding machine shown in these pictures was based on dilworth’s grinding machine seen in the novdec issue of sampt the grinding machine has three spindles the right spindle is the one on which the mirror is

Fixed Post Mirror Grinder Advice

Nov 01 many years ago i made a machine to grind large blanksbut the largest i did was a 16 f45 the table speed was quite slow at 3 rpm and a variable stroke length like a fooli broke it up about 3 years ago now with all this mirror making going on im starting to regret it

Leonardo Da Vincis Mirror Making Machines

One machine is designed for grinding concave mirrors of small focal length the other machine a much larger piece to implement grinds mirrors of large focal lengths though leonardo da vinci creates sketches of mirror grinding one crucial and logical question to ask is whether he used such mirrors in his artwork or

Large Thin Mirror Making

Remember to float the mirror on newspapers or an old blanket foldedup or outdoor carpet rotate the mirror a 13 turn every 10 minutes use 13 w strokes if the tool is the same size as the mirror anduse 12 w strokes if the tool is 34 size when the grinding noisebecomes quiet add new grit and

Mirror Grinding Machine Hackaday

Sep 26 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

Build A Mirror Grinding Machine

Sep 29 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 get price tut44 making a mirror grinding

Build A Mirror Grinding Machine

The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on telescope mirror grinding machine for sale mirror grinding machine for sale africarhirecoza grinding machine for large telescope mirrors i designed and built a grinding machine for mirrors up to 42 inches 11m in diameter by slipping on and off a couple of

Mirror Grinding Machine G W Ritchey National Air And

The machine was used for making numerous mirrors over the next four decades and extensively modified over that period it embodies the subdiameter tool design approach to making large telescope mirrors whereby the grinding tool is drawn across the mirror blank by programmable rotating

Mirror Grinding Machine 187 Leonardo Da Vincis 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

Newport Glass Works Ltd Grinding Polishing And Figuring

This is why you dont want to make mirrors to be worked on machines too thin for 16 to 18 mirrors 162 thick is the thinness i would recommend there are several ways to support the mirror on a grinding and polishing machine turntable but first make sure the turntable itself is

Stellafane Atmmirror Making Myths

With the mirror on top the tool on the bottom and coarse grit in between we start grinding with the mirror overhanging the tool we rub the center of mirror against the edge of the tool and this wears a depression in the center of the mirror the edge of the tool wears down also so that the tool becomes convex a hill in the center and

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