Mirror grinding - scope making
A 400 mm (16") mirror is practically impossible to find under 2000 € in Europe . Past the 12" (300 mm) size grinding your own really pays off. Or you want to make a super precise highest quality mirror in the 150-200 mm size.
Mirror Grinding Machine
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. Most of them came from industrial junk yards. To use these parts I had to modify some of Dennis' plans. How I did it is described below. This machine is the result. It is capable of grinding up to 20" telescope mirrors. Pictured is a 10".
Mirror-o-Matic mirror making machine - ATM pages of Berthold ...
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.
8K Mirror Sheet Stainless Steel Grinding Machine Thickness ...
High quality 8K Mirror Sheet Stainless Steel Grinding Machine Thickness 0.3-3.0mm from China China's leading Steel Roll Forming Machine product market With strict quality control Steel Roll Forming Machine factories Producing high quality 8K Mirror Sheet Stainless Steel Grinding Machine Thickness 0.3-3.0mm products.
High Speed Stainless Steel Mirror Polishing /Grinding Machine
Mirror (8K) Polishing Machine Mirror Polishing Machine is used to polish Sheet or Plates of Stainless Steel up to Highly Reflective Mirror Effect. The surface receives a uniform and directionless gloss with a magnificent brilliance. After Grinded in Grinding Section Sheets will feed into the polishing section.
MIRROR GRINDING MACHINE - YouTube
this video of my our first unfinished video of mirror grinding machinemade with easy available junk and bycycle parts and with help of local febrication shop
glass grinding used machine for sale
Manufacturer: SANT'ANDREA NOVARA Type: G30/1570 Built in 2003 Speed of the fast wave: 17.7 rpm Speed of the slow wave 9.3 rpm Turning monent. 11875 Nm Engine VEM 22 kW 400/690 V Dimensions Shredder: approx. 2500 x 1000 x height approx. 400 mm with motor 1500 mm Dimensions of cutting unit approx. 1600 x 810 mm Throw-in height approx. 4.6 m Throw-in funnel approx. 3 x 2 m the drop-in funnel is closed by a percular upward opening slider approx. 2.5 x 1.5 m.
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.
Fixed post mirror grinder advice - DIY Astronomer ...
Basically there are two types of grinding/polishing 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 rpm depending on the size of the mirror and/or tool.
mirror grinding machine for sale - mayukhportfolio.co.in
Jim Loudon Obs. - THE NEWLY REBUILT 10.5" f/3.95 NEWTONIAN. First a good bevel was put on the mirror to prevent any chipping. ... The original grinding machine was a simple spindle and non-driven overarm. ... up for a dollar here dollar there at garage sales and the tube is a thin all cement form tube.
Making a Mirror grinding & Polishing machine - ATM Optics ...
Page 1 of 5 - Making a Mirror grinding & Polishing machine - posted in ATM Optics and DIY Forum: Hello I am on the half of the way to make a mirror grinding machine inspired by original M-O-M design. I made the pulley arrangement such a way that both the turn table & eccentric spins at 50 RPM fixed.
The Machines: Documentation: Information for ATMs Zip archive of Mirror-o-Matic Yahoo Groups (2000-2019) 307 MB ... Zip archive of Mirror-o-Matic Yahoo Groups (2000 ...
Astro-Tel - 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. I also built another machine of the same type.
Dick Parker's Telescope Mirror Workshop: Cassegrain Telescope ...
Grinding the secondary is just like grinding any other optic except in minature. I ground the secondary with the mirror on a workstand and worked the tool on top just like I would grind a larger mirror. This optic is small enough that a lens grinding machine could work well.
On-machine self-calibration method for compensation during ...
An effective on-machine self-calibration compensation grinding method for the fabrication of a 900-mm-diameter zerodur aspheric mirror is presented in this paper. The proposed independent on-machine measuring system consists of a linear motion and a Heidenhain CT60 length gauge.
making a mirror grinding machine
Mirror Grinding Machine Plan ketelservice-nederland. Mirror Grinding Machine Plan. Making a mirror with the Mirror-O-Matic YouTube. Oct 29 2007· 'm fine grinding my 12" plate glass mirror blank with the M-O-M by Dennis Rech. It's an automatic mirror making machine that takes the "caveman" work out of mirror grinding.
glass grinding used machine for sale
Glass strip saw HAFFNER type GL 172 x 5049 Y.O.M. 1995 - machine for cutting glass strips at an angle of 45 - cutting height max. 50 mm - cutting width max. 100 mm - saw motors 2 x 1.1 KW / 400V / 50 Hz speed 2850 rpm.
Ritchey Telescope Mirror Grinding Machine - YouTube
Excerpt from VHS video made at the Lick Observatory optical shops in Santa Cruz CA before the object was acquired by the Smithsonian. Circa 1985.
Building a fixed post mirror grinding machine ...
A few years ago I was thinking about hand grinding a mirror. I watched a YouTube video of John Dobson hand grinding a mirror. I don’t really remember how big it was but it was big. Maybe 14”. Maybe larger. John was no youngster in this video and even though he is a master he sure put a hellova lot of labor into that mirror.
Build your own telescope part 1: The mirror – Thomas Jacquin ...
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. F/D = 4) well suited for deep sky observations. On the opposite a shallow mirror (e.g. F/D = 8) will be performing very well on planets and the moon.
Next: permission to attend conference
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