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. The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on the side of the machine.

Mirror-o-Matic mirror making machine - ATM .

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.

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.

mirror grinding machine ahmedabad - ME .

Mirror Grinding Machine Ahmedabad- CROWDME Mining. 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.

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Building a Strasbaugh draper grinding machine mirror draper design mirror grinder mill for sale . Get Price. china hot sale gold ore flotation production line. Grinding Equipment. gold mining machine ball mill gold mining machineequipment. wet ball mill industrial machine. equipment for processing of gold.

Best bean-to-cup coffee machines for coffee .

28.06.2020 · Bean to cup machines have built-in coffee grinders meaning all you have to do is add the beans and the rest of the hard work is done for you; you should expect smooth, flavourful coffee, many with ...

mirror grinding machine for sale build a ball .

grinding media for ball mill back surface processing automatic grinding 4 Inch high about building my own mirror grinding machine several . Get Price ; finishes grinding machine cost . Stainless Steel Sheet Polishing Machines Mirror finish gold titanium colored Hot sale grinding machine for Jade jewelry casting mill ball grinding .

Mirror-o-Matic

Before starting machine grinding and polishing, one should at least read several books on mirror making. Most of these books will be about hand work, but knowledge of calculating and measuring a sagitta, pouring pitch laps, building tile tools, and most importantly reading and interpreting the Ronchi and Foucault tests are extremely important.

Mike's Telescope Workshop - Mike's World.

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.

mirror grinding machine for sale build a ball .

Building a Strasbaugh draper grinding machine mirror draper design mirror grinder mill for sale . Get Price. china hot sale gold ore flotation production line. Grinding Equipment. gold mining machine ball mill gold mining machineequipment. wet ball mill industrial machine. equipment for processing of gold.

Amateur telescope making - Wikipedia

Amateur telescope making is the activity of building telescopes as a hobby, as opposed to being a paid professional.Amateur telescope makers (sometimes called ATMs) build their instruments for personal enjoyment of a technical challenge, as a way to obtain an inexpensive or personally customized telescope, or as a research tool in the field of astronomy.

Large Homemade Telescope Making Project

Unfortunately, the cost of mirror grinding kits and pyrex blanks has increased significantly in recent years to the point where any savings from making a mirror versus buying one are minimal at best. Yet, the larger the mirror you make the more money you can save when compared to buying a mirror .

Mirror Grinding Machine | Hackaday

12.06.2020 · 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.

Looking to grind my own mirror : telescopes

The question of how well your first mirror grinding attempt will go against say, a Zambuto or Lockwood mirror, is likely that it won't turn out as good, but it really comes down to how well you test. There are lots of ways to test mirrors during the figuring and polishing process, and the more you test, the more it will inform what changes you have to make to how you're shaping the mirror.

build a mirror grinding machine

build a mirror grinding machine. Mar 06 2006 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 John

build a mirror grinding machine - pension .

build a mirror grinding machine ME Mining Machinery. 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 .

mirror grinding machine for sale build a ball .

grinding media for ball mill back surface processing automatic grinding 4 Inch high about building my own mirror grinding machine several . Get Price ; finishes grinding machine cost . Stainless Steel Sheet Polishing Machines Mirror finish gold titanium colored Hot sale grinding machine for Jade jewelry casting mill ball grinding .

Ritchey Mirror Grinding Machine | National Air .

17.06.2020 · George Willis Ritchey built this mirror grinding machine at the Yerkes Observatory in Williams Bay, Wisconsin, in the late 1890s. Under the sponsorship of George Ellery Hale, the machine was used to grind a series of telescope mirrors starting with a 24-inch and then a 60-inch mirror for a telescope initially intended for the Yerkes Observatory.

Building a fixed post mirror grinding machine ...

19.08.2019 · Re: Building a fixed post mirror grinding machine Post by Kanadalainen » Mon Aug 19, 2019 12:10 pm I I had a nice piece of 3/4" stainless dowel that was begging to be used.

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.

How I built an edge grinder for telescope mirror .

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.

Document sans nom - Astrosurf

Indeed, between 1513 and 1517, he imagined machines to grind and polish telescope mirrors, which, at the time, were made of bronze. Unfortunately, it seems that, during his life, Leonardo da Vinci didn't actually build his invention, as he often did with other inventions.

build a mirror grinding machine

build a mirror grinding machine. Mar 06 2006 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 John

mirror grinding machine design - .

George Willis Ritchey built this mirror grinding machine at the Yerkes Observatory in Williams Bay, Wisconsin, in the late 1890s. Under the sponsorship of George Ellery Hale, the machine was used to grind a series of telescope mirrors starting with a 24-inch and then a 60-inch mirror for a telescope initially intended for the Yerkes Observatory.

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. The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on the side of the machine.

Large Thin Mirror Making - BBAstroDesigns

Make a polishing tool from plaster like we did for fine grinding of at least 1/2 the mirror diameter. Let it dry thoroughly, and seal with water sealer or something similar. By using a tool of this size, we avoid astigmatism, and produce a zone free surface, absent of roughness so typical of small tools.

Making a homemade mirror grinding machine - .

06.03.2006 · 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

Mirror Grinding Machine » Leonardo Da Vinci's .

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 inventing a telescope or some other optical device.

Rough Grinding a 20" Quartz Telescope Mirror .

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 abrasiv...

Mirror Grinding Machine » Leonardo Da Vinci's .

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 inventing a telescope or some other optical device.