Telescope Grinding Machine

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GRINDING A TELESCOPE REFLECTOR WITH TOOL

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

100inch telescope mirror on grinding machine Calisphere

100inch telescope mirror on grinding machine Calisphere

100-inch telescope mirror on grinding machine at Mount Wilson Observatorys Pasadena laboratory.Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.

100inch telescope mirror on grinding machine Calisphere

100inch telescope mirror on grinding machine Calisphere

100- inch telescope mirror on grinding machine, at Mount Wilson Observatorys Pasadena laboratory.Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.

Constructing a Grinding Machine for large apertures

Constructing a Grinding Machine for large apertures

Nov 19, 2018 Page 1 of 2 - Constructing a Grinding Machine for large apertures - posted in ATM, Optics and DIY Forum Ive been using a 4.5 equatorial from Orion for many years now and Ive finally got the time and money to build a telescope from the ground up. Unfortunately my local astronomy club has no-one with experience with ATM-ing. Given how interested I am on the subject prospective

Robotic mirror grinding ATM Optics and DIY Forum

Robotic mirror grinding ATM Optics and DIY Forum

May 31, 2021 NC grinding of aspheres has been done but a sufficiently stiff machine with adequate resolution encoders is required together with sufficiently accurate sub micron metrology so that achievement of the desired shape can be confirmed before polishing. IIRC REOSC used computer controlled fine grinding on the VLT primary meniscii.

Build your own telescope part 1 The mirror Thomas

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. FD 4 well suited for deep sky observations. On the opposite, a shallow mirror e.g. FD 8 will be performing very well on planets and the moon.

Large Thin Mirror Making BBAstroDesigns

Large Thin Mirror Making BBAstroDesigns

A grinding machine relieves the labor, but is not necessary. A 24 is the largest you can comfortably do solo. ... , Sky and Telescope magazine starting on page 75 carries an article by Toshimi Taki, analyzing mirror cell design to support thin mirrors. ... We choose 220 grit to start because the grinding particles are small enough to move onto ...

Explore how telescope mirrors are made

Explore how telescope mirrors are made

Jul 27, 2021 Making a telescope mirror. To start, a new mirror blank is sanded down to create a precise parabolic curve in a process called grinding. To do that, the blank is

Fixed post mirror grinder advice DIY Astronomer

Fixed post mirror grinder advice DIY Astronomer

Nov 01, 2011 Basically there are two types of grindingpolishing 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

Making a homemade mirror grinding machine ATM

Making a homemade mirror grinding machine ATM

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

Building a fixed post mirror grinding machine

Building a fixed post mirror grinding machine

Aug 19, 2019 Are you working on another telescope Me Not this time, this is a glass grinding machine . Spouse OK, Have fun with that, be sure you vacuum up the mess, and throw out all the sundry flotsam. Its going to take a huge vacuum. You do not have the required permissions to view the files attached to this post. Ian

Grinding a telescope mirror

Grinding a telescope mirror

Grinding a telescope mirror Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Grinding a telescope mirror, quarry, aggregate, and different kinds of minerals.

AstroTel Mirror grinding machine

AstroTel 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.

Mirror Grinding Machine G W Ritchey National Air and

Mirror Grinding Machine G W Ritchey National Air and

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.

Telescope Making Links Designs and Techniques STAR

Telescope Making Links Designs and Techniques STAR

Grinding with Washers Grinding Large Thin Mirrors Part I Grinding,Polishing and Figuring Large Thin Mirrors - Part 2 - Polishing Astronomy, telescope making ,mirror grinding and testing Large Thin Mirror Making by Mel Bartels Grinding Machines Mirror-o-matic Tom Waineos Desktop GrindingPolishing Machine Ken Liljas Grinding Machine Grinding ...

Mirror grinding Telescope making

Mirror grinding Telescope 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 ...

Amateur Telescope Making Main Page Stellafane

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 ...

Document sans nom Astrosurf

Document sans nom Astrosurf

Document sans nom. A history of polishing machines. As often in sciences and technology, Leonardo da Vinci was a pioneer, creating machines for the production of optical devices. Indeed, between 1513 and 1517, he imagined machines to grind and polish telescope mirrors, which, at the time, were made of

Stellafane ATMMirror Making Myths

Stellafane ATMMirror 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

The Perfect Machine Building the Palomar Telescope

The Perfect Machine Building the Palomar Telescope

As a purchasing agent in the Astrophysics Machine Shop, Al Shea was thrilled by the 100-inch Mount Wilson telescope and grateful to be part of the construction of the 200-inch Palomar telescope. Every night at the supper table I would hear names like Bruce Rule, Mickey Sherburne, Fritz Zwicky, and Caltechs president, Robert Millikan.

Strasbaugh polishing and grinding machine Astromart

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.

Stellafane ATM Make a Plaster Disk

Stellafane ATM Make a Plaster Disk

1.1. Place your mirror blank, mirror surface up, on a clean, level hard work work surface covered with newspaper or cardboard. 1.2. Cover the mirror surface and part of the sides with plastic food wrap. Smooth the wrinkles on the surface as best as possible, as

grinding machine design elementals Archive IceInSpace

grinding machine design elementals Archive IceInSpace

You could try Advanced Telescope Making Techniques by MacIntosh. There are several grinding machines plans given as examples. I too would recommend the making of a couple of smaller mirrors to get the feel of how things blend when using a machine. I used to remove the arm from my machine and finish off the polishing by hand on the rotating ...

60inch telescope mirror on grinding machine tipped

60inch telescope mirror on grinding machine tipped

The 60-inch telescope mirror on grinding machine, tipped forward for testing. A workbench with equipment is seen on the left-hand side a chair is in front of the tilted mirror. Photograph probably taken at the Mount Wilson Observatorys optical laboratory, Pasadena.Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino ...

200inch telescope mirror on grinding machine Calisphere

200inch telescope mirror on grinding machine Calisphere

200 inch telescope mirror on grinding machine at the Caltech optical shop, Pasadena, Calif.Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.

Goplus 750W Drywall Sander with LED Light and Collection

Goplus 750W Drywall Sander with LED Light and Collection

Goplus 750W Drywall Sander with LED Light and Collection Bag, Variable Speed 900-1800 RPM Electric Drywall Sander with Telescope Handle and 6 Sand Pads, Dust-Free Wall Grinding Machine - -

tut44 Making A Mirror Grinding Tool

tut44 Making A Mirror Grinding Tool

Making A Mirror Grinding Tool By Allen Malsburry The average person would never think, I can make my own telescope. Most amateur astronomers believe, I can buy a better telescope than I can build. Neither is actually correct. For many decades now, amateur

Making the 20 inch Conical Mirror Pierre Lemay

Making the 20 inch Conical Mirror Pierre Lemay

To do these operations I built a grinding machine which would be used throughout the project. My grinding machine, shown in these pictures, was based on Dilworths grinding machine seen in the Nov-Dec 1977 issue of SampT The grinding machine has three spindles. The right spindle is the one on which the mirror is mounted.

Grinding Machine for Large Telescope Mirrors

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

telescope mirror grinding machines MC World

telescope mirror grinding machines MC World

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.

MirroroMatic mirror making machine ATM pages of

MirroroMatic 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.

Types of mirror grinding machines ATM Optics and DIY

Types of mirror grinding machines ATM Optics and DIY

Nov 16, 2018 Uur kizler is a telescope maker in Bursa, and has made telescopes and a machine. Im sure either of these telescope makers would help you to learn about making optics. There are others in Turkey also. Usually the same machine is used for grinding, polishing, and figuring. Types of machines httpwww.astrosurf...es-type-eng.htm

HXJQ Mining Machine LinkedIn

HXJQ Mining Machine LinkedIn

HXJQ Mining Machine 100 followers on LinkedIn. Emailyanfanghxjqgmail.com With over 30 years experience, Hongxing has established itself as the reliable solution for quarrying, construction ...