Rough grinding a telescope mirror. Leaving the tiles attached to their ribbing, I place dobs of JBWeld on the tile faces, placing the tile matt over the plaster face
During fine grinding, we'll grind the mirror face against a tool with a series of ever finer grits. I like to use the fewest possible number of grit sizes, using
Oct 30, 2000 Introduction: This summer (2000) I joined a mirror-grinding class hosted by our local club's ATM committee. Despite having looked through
Jun 7, 2018 I have no tool to grind it so i was wondering if it would be possible to grind without a tool into a hopefully almost perfect parabolic mirror. Im using sand paper and topic starter; Posts: 6; Joined: 07 Jun 2018. Posted 07 June
There are many reasons for grinding your own mirror. Either you want a unusual size, or focal length, or to satisfy your curiosity, or to have the "pride of
I started thinking about building my own mirror grinding machine several the tachometer installed and the label plate for the speed control wheel attached.
Jan 12, 2015 After more than six years of grinding and polishing, the first-ever dual-surface mirror for a major telescope is complete.
telescope mirror grinding machine based on Dennis Rech's M-o-M 20. I've decided to make the program and the source code public, no strings attached.
Mar 10, 2017 I'd love to grind my own mirror, but are there health concerns with . If you said yes, he let you join his lab (they were already working on this).
Nov 15, 2001 As the mirror and tool were slowly pulverized by the grinding process, the The metal is then attached to a slightly flexible plastic substrate.
(ATM) supplies including, Mirror kits, Pyrex, abrasives, pitch and polishing Because of its extreme hardness, silicon carbide is ideal for grinding Pyrex, which .. This is a special formulation of a loaded pitch which can be used to join tools
Sep 26, 2006 Grinding and polishing your own mirrors is a long, arduous process. The mirror was attached to the plate the spindle rotated in, and swept
3/4in Mika Elite Mirror Bit - Eliminate Glass Chipping. Standard grinder bits can chip the edges of mirror, flashed antique and other delicate glass.
Ohara supplies shipments of glass to the Mirror Lab in pieces typically . mirror blank remains attached to the lifting fixture until it is placed on the polishing cell.
I will grind and polish a shorter focal length mirror and a longer focal length mirror. to the curve of the surface on the pie plate where the side joins the bottom.
Has anyone considered making a telescope mirror by evacuating a space between The time to grind the mirrors to the proper shape could be reduced signi.
The plan was for a 20" reflector mainly for use with a CCD camera. I choose to start with a 1" thick plate glass blank, mainly on the grounds of cost. For the sake
Jan 15, 2016 And that means we need massive mirrors. After a pause for work on two other mirrors, the lab is in the process of grinding Segments 2 and 3.
Jan 18, 2017 The Giant Magellan Telescope's third mirror is finely ground and the center, and it takes a complicated polishing process to curve the surface
Sep 3, 2014 The polishing is an interesting problem because of the shape of these mirrorsthey're very very different from a spherical surface that has a
Nov 3, 2017 With its casting this weekend, the fifth GMT mirror joins three additional GMT mirrors at various stages of production in the Mirror Lab. Polishing
Watch the the actuators being attached to the back of a telescope mirror in this . SSG/Tinsley started by grinding down the surface of each mirror close to its
Nov 13, 2017 University of Arizona is making gigantic mirrors for world's largest . part of the lab, where special machines will grind and polish its surfaces.
Feb 14, 2016 When making a telescope mirror on the machine, two parameters Check the mom_controller.ino file attached at the end for the Arduino code.
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.
With #60 carbo, tried grinding mirror with powerful chordal strokes. .. One of the eyebolts would attach to a wire which would in turn be attached to the leg of the
Aug 7, 2013 Grinding 20-Ton Mirrors For The Giant Magellan Telescope. One of the largest telescopes ever made will reveal previously unobservable
The LSST secondary mirror (M2) system has completed another big can attached the mirror's hard points, the gold-tone fixtures under the mirror, to the blue The mirror is lifted from its polishing cell (the big round device with protruding
Polishing. Pressing the Lap. Correcting. Mirror Testing. A Quick Test after the The tiles must be firmly attached so as to not become loose during fine grinding.
Such work capitalized on the company's expertisegrinding and polishing disks of When the NGST joins Hubble in space, it will have the largest mirror ever
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