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telescope grinding machine

Grinding Machine for Large Telescope Mirrors

2020-11-1  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.

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Telescope Mirror Grinding Machine Products

After experimenting with copper and tin alloys for the metal reflecting surface and developing his own steam-driven mirror grinding machine , this telescope was completed in 1839. Optomechanical tests and performance results of the SIRTF cryogenic optical system

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Mirror Grinding Machine

2015-8-14  The two-axis U-joints you see are made of a soft 2"x2" pine which costs about $1.80 for 8 feet. A 3/8" hole and a 3/8" smooth shank hex head bolt makes for a surprisingly good hinge bearing. The catch basin is a 20" dish used for holding potted

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Grinding Machine - KENTEH OPTICAL CO., LTD.

Grinding Machine . Delivering Smarter Solutions Equipment. Grinding Machine. Horizontal Cutting Machine. USAGE: Available for assorted angles cutting from blanks apectacles.magnifier,telescope camera lemses. SIZE: 1100(L)X610(W)X1300(H)m/m. L-Size 2-End Gringing Machine.

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machine telescope grinding - Elbema

Machine grinding a 25" telescope mirror. Nov 16, 2012 Grinding 500 grit on a 25" f/3.0 meniscus mirror. Tool is a 19" glass tiled stone tool with about a 3" overhang and about 37

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Constructing a Grinding Machine for large apertures -

2018-11-19  The grinding machine I have now, pictured above, was designed to make up to a 20 inch mirror, the largest I've ever done (so far). The machine design was freely inspired by Donald Dilworth's grinding machine which he described in his landmark ST article describing his 16 inch relay lens telescope (nov-dec 1977).

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GRINDING A TELESCOPE REFLECTOR WITH TOOL

GRINDING A TELESCOPE REFLECTOR WITH TOOL-GRINDING DEVICE By George F. Tauchmann Grinding telescope reflectors of 15-inch diameter and over makes it necessary to employ a motor-driven turntable. Small mirrors are generally ground and polished by rotating the tool, fastened to the turntable, and working the mirror blank by hand

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How I built an edge grinder for telescope mirror blanks.

2013-2-26  I eventually decided I needed to build a dedicated edge grinding machine. This is how I did it. I started the build by making a sturdy frame for the unit out of 2x4 lumber and 3/4 inch thick plywood. Wheels were added to the bottom of the unit so it can be wheeled outside. The grinding

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Mirror-o-Matic mirror making machine - ATM pages

2018-5-16  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.

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GRINDING A TELESCOPE REFLECTOR WITH TOOL

GRINDING A TELESCOPE REFLECTOR WITH TOOL-GRINDING DEVICE By George F. Tauchmann Grinding telescope reflectors of 15-inch diameter and over makes it necessary to employ a motor-driven turntable. Small mirrors are generally ground and polished by rotating the tool, fastened to the turntable, and working the mirror blank by hand

Read More
grinding machine telescope - ekliefkrismis.co.za

telescope mirror grinding machine - crusher export Mirror Grinding Machine. telescope mirror grinding machine based on Dennis Rech's M-o-M 20 My Mirror Grinding Machine For a long time I've wanted to build a machine .get price. Telescope Mirror and Lens Grinding Machine - Circa - uShip.

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Strasbaugh polishing and grinding machine Astromart

Strasbaugh polishing and grinding machine. You wont find very many of these around. Strasbaugh is the premier manufacture of machines used by the professionals. This machine is solid no plastic or wood. You can adjust the spindle and eccentric speed with a turn of a knob while running. It makes mirror grinding a pure joy.

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Christiaan Huygens and his telescopes

2004-12-22  Figure 2: Lens-grinding machine of Christiaan Huygens (From his ‘Opuscula Posthuma’, published posthumously by Janssonio Waesbergios, Amsterdam, 1728 ) What made it very difficult to produce usable lenses, as the Huygens brothers soon found, was that the whole art of lens grinding was surrounded by secrecy.

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How I built an edge grinder for telescope mirror blanks.

2013-2-26  I eventually decided I needed to build a dedicated edge grinding machine. This is how I did it. I started the build by making a sturdy frame for the unit out of 2x4 lumber and 3/4 inch thick plywood. Wheels were added to the bottom of the unit so it can be wheeled outside. The grinding operation will be messy, so it will need to be done outside.

Read More
Mirror-o-Matic mirror making machine - ATM pages

2018-5-16  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.

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Making a homemade mirror grinding machine - ATM,

2006-3-6  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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Mel Bartels' Amateur Telescope Making

2021-4-18  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.

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Mirror grinding - Telescope making

2007-2-13  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 ...

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Amateur Telescope Making Main Page - Stellafane

Amateur Telescope Making Main Page. "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 ...

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Telescope Mirror Grinding Machine Crusher Mills,

Telescope mirror grinding machine Mirror making and optical testing The images below show the completed grinding machine in it's new garage in October 2001. GrindingPolishingMachine – LCAO. Telescope Making. Telescope Mirror Grinding and Polishing Machine. After I had made the 41-cm telescope mirror by hand I had decided that I needed a ...

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Grinding Machine - KENTEH OPTICAL CO., LTD.

Grinding Machine . Delivering Smarter Solutions Equipment. Grinding Machine. Horizontal Cutting Machine. USAGE: Available for assorted angles cutting from blanks apectacles.magnifier,telescope camera lemses. SIZE: 1100(L)X610(W)X1300(H)m/m. L-Size 2-End Gringing Machine.

Read More
machine telescope grinding - Elbema

Machine grinding a 25" telescope mirror. Nov 16, 2012 Grinding 500 grit on a 25" f/3.0 meniscus mirror. Tool is a 19" glass tiled stone tool with about a 3" overhang and about 37

Read More
grinding machine telescope - ekliefkrismis.co.za

telescope mirror grinding machine - crusher export Mirror Grinding Machine. telescope mirror grinding machine based on Dennis Rech's M-o-M 20 My Mirror Grinding Machine For a long time I've wanted to build a machine .get price. Telescope Mirror and Lens Grinding Machine - Circa - uShip.

Read More
Strasbaugh polishing and grinding machine Astromart

Strasbaugh polishing and grinding machine. You wont find very many of these around. Strasbaugh is the premier manufacture of machines used by the professionals. This machine is solid no plastic or wood. You can adjust the spindle and eccentric speed with a turn of a knob while running. It makes mirror grinding a pure joy.

Read More
How I built an edge grinder for telescope mirror blanks.

2013-2-26  I eventually decided I needed to build a dedicated edge grinding machine. This is how I did it. I started the build by making a sturdy frame for the unit out of 2x4 lumber and 3/4 inch thick plywood. Wheels were added to the bottom of the unit so it can be wheeled outside. The grinding operation will be messy, so it will need to be done outside.

Read More
Christiaan Huygens and his telescopes

2004-12-22  Figure 2: Lens-grinding machine of Christiaan Huygens (From his ‘Opuscula Posthuma’, published posthumously by Janssonio Waesbergios, Amsterdam, 1728 ) What made it very difficult to produce usable lenses, as the Huygens brothers soon found, was that the whole art of lens grinding was surrounded by secrecy.

Read More
Astronomy Options Astronomy, Mirror Making,

2021-4-14  Currently manufacturing a 16″ diameter 1″ thick plate glass f3.88 Newtonian telescope mirror. Doing this with my new fixed post grinding machine built this summer. Work is progressing well, and very efficient. Started project in August 2013 and at this point I am ready to move on from 25 micron White Aluminum Oxide to 9 micon White Aluminum ...

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Mirror grinding - Telescope making

2007-2-13  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 ...

Read More
Amateur Telescope Making Main Page - Stellafane

Amateur Telescope Making Main Page. "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 ...

Read More