telespe mirror grinding machine

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 astronomers have been building their own telescopes. In the good old days, building

Mike's Telescope Workshop

build a machine to help me grind the edges of the blanks true and round. 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.

Fixed Post Mirror Grinding Machine

Telescope Mirror Grinding Machine Industris Mining. Building A Fixed Post Mirror Grinding Machine. Aug 19 2019 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 fixed-post plan vs others with eccentric drives because it gets the heavy grinding done in an

difference between a hammer mill and a mix mill

Should I choose a Roller Mill or Hammer Mill Grinder Mixer . Jul 19, 2018 The Hammer Mill Grinders are perfect for the farmer who needs a high capacity of feed Operating from high power, it creates a more consistent grind for improved feed rations All farmers know time is of the essence, our Hammer Mill options can produce: 1025 Bushels / Min using the 20" Hammer

Grind and Polish a Dobsonian/Newtonian Telescope

Step 1: Determine Your Mirror's Focal Length and Sagitta You'll want to first determine the shape of your mirror and the focal length that it will eventually have. When designing a telescope of this style, there is a very, very handy

telespe mirror grinding machine

Jul 25 2015 Homemade polishing machine Grinding 10 pyrex telescope mirror. Ryland Wood. 2 32. First stage of grinding a telescope mirror pt 2. Soldiersqualid. 2 35. Panasonic HDC-SD60 Telescope mirror grinding machine. Ex Webcam. 2 30. Telescope Making Checking the depth of curve during rough grinding. (3) A homemade telescope mirror can

Are machine

21.07.2006Making the mirror slide back and forth on the polishing lap over and over, exactly the same way, produces bad zones and rough optical surfaces. Random stroke variations, which come so naturally to human beings, produce the smoothest surfaces but are very difficult to replicate in a machine. For this reason, hand-figured mirrors are

Joy of Mirror Making: Fine Grinding

The three grit sequence for fine grinding: 220 silicon carbide grit 500 silicon carbide grit 9 micron aluminum oxide (MicroGrit WCA-9T or similar) In microns, grit sizes are: 60-90 silicon carbide grit for rough grinding: 200 microns 220

How I built an edge grinder for telescope mirror blanks.

Here is another view of the arm holding the grinder. In this view you can see how the c-clamp across the slot cut in the arm locks everything in place. A course diamond grinding drum is installed on the grinder. It will be used to take off

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

mirror grinding kit grind and polish telescope mirror

Telescope Mirror Kit Telescope Products Services Have custom requirements? Contact Us Telephone: +44 (0) 1268 728077 Stock Specification All our Mirror Kits contain a Pilkington Float Glass mirror

Making a homemade mirror grinding machine

06.03.2006Gordon will know more about the math for different mirrors and different sizes. I recall for mine it was about a 70% tool diameter. The bucket Gordon used to make the tile tool was 8 15/16, 70% of 12.5

Telescope Mirrors, Blanks, Secondaries, Grinding Materials,

Thinner glass is less expensive and reduces the overall weight of the telescope. To reduce the cost further, the Tool Glass doesn't have to be as thick as the Mirror Glass. Sizes available: 1 (100mm) to 25 (635mm) diameter. Pyrex: Please Note - Dow Corning no longer produce Pyrex.

DIY Telescope Mirror grinding machine

08.07.2013Homemade 10inch Mirror Grinding Machine.Sorry for blurred image..

Mirror

The summer of 2012 Greg Wilhite and Jeff Baldwin built Jeff's new machine, Ol' Yeller. It has a 40" turntable, but we are able to work up to 46" mirrors with it, possibly larger. 40" is as large as we intend to work unless special requests

Grinding Metre

1.45 metre scale Zerodur mirror segment for the European Extremely Large Telescope (E-ELT) is introduced. Employing an R-theta Employing an R-theta grinding mode with a multi stage grinding process material removal rates of up to 187.5 mm

mirror grinding machines.

03.10.2006I'd guess it cost about $500.00 after all the little things that add up. Now that I've built it I've realized that there are not many critical parts of the Mirror O Matic, and I could have saved a lot of money by eBaying / surplusing

Israel Telescope Mirror Grinding Machine Plans

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.

Leonardo Mirror Grinding Machine

It has several gears in mesh at all times and also has several variable settings built into it. This mirror grinder 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.

CN103495916A

The numerical control mirror grinding machine is characterized in that the grinding head seat is installed on the polar radius translation bench through the polar angle rotating shaft to form a lower translation-upper rotation polar coordinate movement system. The numerical control mirror grinding machine is more stable in structure, high in rigidity, capable of rotating at a higher

Newbie question: polsim and mirror grinding on an Elgin style/MoM machine

25.04.2020Hello everyone, This is my first post on this group, and I'd really appreciate any advice you guys can offer. I recently built a mirror-o-matic machine, and have attempted to grind my first mirror. Ironically, I am finding working the glass to be more difficult and frustrating than building the machine :(My mirror is 208 mm in diameter and my tool is 155mm in diameter

Fixed post mirror grinder advice

01.11.2011An alternative, which seems very popular with home machine builders, involves rotating the mirror at a relatively high speed whilst the tool has minimal movement or is fixed (as in the case of Gordon W's machine). The

24 Mirror Grinding and Polishing Machine

06.06.2010Location: Melbourne. Posts: 9. 24 Mirror Grinding and Polishing Machine. I started this thread to record my building progress of a new mirror grinding and polishing machine. This machine will be capable of handling mirror sizes up to 22. I have decided that 22 is the absolute maximum otherwise becomes too cumbersome to move around.

Skywatcher heq5 pro used

Sky-Watcher HEQ5 Mount HEQ5 Go-To Equatorial Mount Head Adjustable 1.75 diameter rolled steel tripod SynScan Go-To telescope control with 42,900+ object database Precision tracking mount with built in autoguider ports Metal accessory tray V-style dovetail saddle SynScan V5 hand controller 30 lb payload capacity Can co. SynScan hand-pad firmware 5 : precise tracking.

Leonardo

11.05.2016Join 10,830,000 engineers with over 5,360,000 free CAD files. The CAD files and renderings posted to this website are created, uploaded and managed by third-party community members. This content and associated text is in no way sponsored by or affiliated with any company, organization, or real-world good that it may purport to portray.

Telescope Making Links

Astronomy, telescope making,mirror grinding and testing Large Thin Mirror Making by Mel Bartels Grinding Machines Mirror-o-matic Tom Waineo's Desktop Grinding/Polishing Machine Ken Lilja's Grinding Machine Grinding

Hubble's Mirror Flaw

25.11.2019The result was a mirror with an aberration one-50th the thickness of a human hair, in the grinding of the mirror. Replacing the mirror was not practical, so the best solution was to build replacement instruments that fixed the flaw much the same way a pair of glasses correct the vision of a near-sighted person. The corrective optics and new instruments were built and

Tonal

Custom Programs. Your Tonal experience begins with a quick evaluation to understand your strength. Tonal will constantly adapt to your body's needs as your fitness journey progresses. Tonal uses up to 200 pounds of adaptive

Build your own telescope part 1: The mirror

The theory behind grinding is that you can remove glass as long as you use a material with a higher hardness. Telescope makers use silicon carbide powders (a.k.a. carborundum) for this task. It is cheap and comes in

Mirror grinding

Well, that depends. Mostly on the mirror size you wish to grind, and the prices of the local market. In the US, telescope mirrors are the cheapest. A decent 6 (150 mm) mirror can be bought for under 100$. In Europe,

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 astronomers have been building their own telescopes. In the good old days, building your own telescope was the only

mode of operation of vertical grinding machine

Vertical Grinding Has Advantages Modern Machine In vertical grinding, the workpiece is held upright in a rotary chuck with the grinding spindle overhead Th. Home; About us; Products; News; Contact us; mode of operation of vertical grinding machine . 2021-05-18T00:05:29+00:00. Vertical Grinding Has Advantages Modern Machine In vertical grinding,

iron ore magnetic separator to buy

As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Design for magnetic separator of iron ore. Magnetic Ore Separator - 911 Metallurgist . 2017-1-16 The main commercial objects of magnetic separation are, first, the diminution of the amount of earthy

3mirrors ALUMINUM Tungsten Electrode Sharpener Grinder Head

01.08.20193mirrors Tungsten Electrode Sharpener Grinder, Healthy TIG Welding Rotary Tool with 24 Guides Grinder Head with Dust Housing 5X 35mm Double Diamond Wheels, 2X Connecting Rod TIG Welding Tungsten Electrode 2% Lanthanated 1/16 x 7 (Blue, EWLa-2) 10-pk YESWELDER

TELESCOPE MIRROR BLANKS

SUPREMAX 33 is a borosilicate Pyrex equivalent, and is an excellent alternative for telescope mirror blanks. Our blanks have the following standard characteristics: Precision annealed material (6 Mu or less guaranteed) Edges

Amateur Telescope Making Main Page

Much is also unchanged - mirror grinding techniques are very similar to those written up by Porter and Ingalls in the 20s and 30s. Many amateur astronomers still choose to fabricate their own instruments, for the pride of

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) Pyramid has a thicker gauge mirror grinding machine which can make thicker and wider dimensions mirror

From the kiln of Horace Davis

I belong to several on-line amateur telescope making groups. In them I saw many posts from Horace Davis about his attempts at casting mirror blanks in his kiln. He began his efforts in January '08. Almost all ended in failure, but he did

skywatcher heq5 pro used

This heavy-duty HEQ5 Pro mount is a smaller version of the sturdy EQ6 Pro mount. It is specially designed for observers who need the steadiness of the EQ6 Pro mount, but find the EQ6 Pro mount too physically demanding. For novice users the user-friendly menu allows automatic slewing to over 13,400 objects.

telescope mirror grinding / polishing machine with tachometer