Homemade Mirror grinding Machine

tut44 Making A Mirror Grinding Tool Asterism

The image below was taken using my first homemade 6” mirror. Even though this was my first mirror, its optical quality is two to three times better than the average mirror found in an imported telescope After fine grinding is complete, the mirror must be polished. It istelescope mirror grinding polishing machine with,Feb 15, 2016· The machine is shown grinding a 300 mm mirror. How to build a tachometer: florin.myip/blog/making-tachometer-grinding-polishing-machine-telescope-.Mirror Grinding Machine Hackaday,Sep 26, 2006· 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.

Mirror-o-Matic mirror making machine ATM pages of

The M-o-M 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 optics.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.Mirror grinding scope making,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" mirror.It 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

jeffbaldwin

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.Mike's Telescope Workshop mdpub,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 12.5 inch diameter, 1.5 inch thick, light-weight honeycomb-back telescope mirror blank that I made myself. The blank only weighs 10 lbs, 4 oz. I am very excited about this process.Telescope Making Supplies,Throughout the grinding and final lapping stages, the objective has been to reduce pits and scratches to the smallest possible size. However, no amount of grinding can produce a surface smooth enough or sufficiently transparent to meet the needs of a first-class telescope objective. Different techniques are

tut44 Making A Mirror Grinding Tool Asterism

The image below was taken using my first homemade 6” mirror. Even though this was my first mirror, its optical quality is two to three times better than the average mirror found in an imported telescope After fine grinding is complete, the mirror must be polished. It isMirror-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 Mirror Grinding Machine Hackaday,Sep 26, 2006· 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.

Grinding Machine for Large Telescope Mirrors

Grinding Machine for Large Telescope Mirrors I designed and built a grinding machine for mirrors up to 42 inches [1.1m] in diameter. By slipping on and off a couple of belts, the machine can quickly be reconfigured for spinning work or for stroking work.Mirror grinding scope making,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" mirror.It 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 atMirror 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

jeffbaldwin

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.homemade mirror grinding machine,homemade mirror grinding machine . Second Hand Concrete Batching Plants For Sale In Malaysia. Market of Second Hand Concrete Batching Plants For Sale In MalaysiaDevelopment of Second Hand Concrete Batching Plants are to large-scale, automated, intelligen. Raw Complex Gold Ore Processing Machine.How can I make my own Cam Grinder? Practical Machinist,Jun 22, 2007· The grinding head was off a large toolpost grinder and gave a very good finish to the cams. I had no problems with this and there are still quite a few vintage and classic racing bikes out there that have lapped the Isle of man TT circuit ot over 100 mph with cams in from this machine.

Telescope Making Supplies

Throughout the grinding and final lapping stages, the objective has been to reduce pits and scratches to the smallest possible size. However, no amount of grinding can produce a surface smooth enough or sufficiently transparent to meet the needs of a first-class telescope objective. Different techniques are Top Metaltech,Pyramid uses the high-performance 40-axis homemade mirror grinding machine which generates high quality mirror sheets with 1.5 meters per minute. The production is fully automated with high quality and high stability. NO.8 Thicker Plate( Thicker Gauge)Stellafane ATM Main Page,Much is also unchanged mirror grinding techniques are very similar to those written up by Porter and Ingalls in the 20´s and 30´s. Many amateur astronomers still choose to fabricate their own instruments, for the pride of accomplishment, the gaining of

Homemade Surface Grinder Knife making, Metal working

Jul 23, 2015 Homemade surface grinder adapted from a bench grinder and constructed from angle iron, threaded rod, wood, and steel.Stellafane ATM:Mirror Making Myths,A 6" or 8" mirror should take about 40 to 80 hours of effort. While this is a non-trivial amount of time, the mirror can be completed in a few months, and certainly within a year. Most people work one to three hours a day on their mirror about one or two times a week. Homemade Mirrors are of Inferior Optical Quality; Not True!Mirror Grinding Machine Hackaday,Sep 26, 2006· 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.

Mirror grinding scope making

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" mirror.It 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 atLeonardo Da Vinci's mirror making machines,ÝÝÝÝÝÝÝÝÝÝÝ In his Codice Atlantico, Leonardo offers two of sketches of mirror making machines.Ý One machine is designed for grinding concave mirrors of small focal length.Ý The other machine, a much larger piece to implement, grinds mirrors of large focal lengths.Ý Though Leonardo da Vinci creates sketches of mirror grinding, oneFixed 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

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 onTop Metaltech,Pyramid uses the high-performance 40-axis homemade mirror grinding machine which generates high quality mirror sheets with 1.5 meters per minute. The production is fully automated with high quality and high stability. NO.8 Thicker Plate( Thicker Gauge)mirror grinding machine worldcrushers,New grinding machine The new grinding machine is being used to re-make the old TRO 30 inch mirror and the three 20 inch mirrors. It will be capable of making a Mirror grinding machine construction log JamesCrombie page1

jeffbaldwin

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.Sphere grinding machine The Glass Marble Home Pages,You will cut the chain and make it into a continuous belt, that when hung on one of the grinding heads won't quite reach the machine base. You will place the cup in the center of where the three grinding heads meet. Now for a discussion on material. You will need the following: I buy my compounds from Ebersole Lapidary Supply, Inc. 5830 WMel Bartels' Amateur Telescope Making,The I.A.U. named asteroid 17823 Bartels discovered 1998 by J.M.Roe in recognition for my contributions to amateur astronomy. Making is the Key to Knowing. A telescope mirror is arguably the most accurate surface made by human or machine. Amazingly you can grind a mirror by hand and make a telescope with simple hand tools.

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 "A" Fig.3, Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated was fitted to the spindle. I also built another machine 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.Build your own telescope part 1: The mirror Thomas,Rough 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 (e.g. F/D = 4) well suited for deep sky observations. On the opposite, a shallow mirror (e.g. F/D = 8) will be performing very well on planets and the moon.

fixed post mirror grinding machine

mirror grinding machine 2013 . this is my nearly completed fixed post mirror grinder. still some work I started thinking about building my own mirror grinding machine several years Chat Now; telescope mirror grinding machine Newest Crusher, Grinding Rough Grinding a 20" Quartz Telescope Mirror on the Fixed-Post Machine.,,