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.
My Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telescope mirrors. 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.
Jul 08, 2013· Homemade 10inch Mirror Grinding Machine. Sorry for blurred image.....
Mar 06, 2006· Combine that with some simple gear reduction and you have an extremely versatile bench. I am assuming that you do enough mirror grinding and polishing to justify an investment in a bench in the first place. I've seen Mirror O Matics and while they seem to do reasonably good work, most seem to sit in the corner after one mirror and collect dust.
Sep 26, 2006· Grinding and polishing your own mirrors is a long, arduous process. Instead of lapping the blank by hand, Laurie Hall built this mirror grinding machine from scratch.
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.
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
Fixed-post machine grinding is where the mirror is on a turntable rotating around 20 PRM [speeds vary], and a 75% tool is on top. They are already curve-generated. The tool is hanging over the mirror by 1/6 the diameter of the tool, or about 1/8 diameter of the mirror, and is fixed in this position.
Rough Grinding The first milestone is putting a curve into the mirror face. The curve's depth dictates the mirror's focal length. The curve should be spherical. Creating the curve can be done by several methods: The curve is ground into the mirror face using a grinding tool. The curve is pre-generated for you.
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
Sep 26, 2006· Grinding and polishing your own mirrors is a long, arduous process. Instead of lapping the blank by hand, Laurie Hall built this mirror grinding machine from scratch.
LT 130 Mirror. This is our mirror polishing machine for straight tubes up to 127 mm. diameter ; since it is working through a liquid polishing paste dispenser and special belts the LT 130 MIRROR polishing machine allows to reach mirror
Mirrors ,glass, grinding machine for P (5) 107b. method of producing, P (4) 84i. palladium oxide coated P (6) 133a. parabolic for solar furdaces (9) 211c. for refleciingpolarized light: P (6) 132f. silvering, P
Fixed-post machine grinding is where the mirror is on a turntable rotating around 20 PRM [speeds vary], and a 75% tool is on top. They are already curve-generated. The tool is hanging over the mirror by 1/6 the diameter of the tool, or about 1/8 diameter of the mirror
PZX 5-Axis Prism Grinding Machine. The PZX prism grinding machine is the latest solution for companies looking to enhance their prism manufacturing capabilities. Machine prisms up to 6″ thick
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 pounds of weight.
Aug 22, 2014· Shown here I have the overarm locked to use the machine in fixed-post grinding/polishing mode. The overarm can be engaged with
LT 130 Mirror. This is our mirror polishing machine for straight tubes up to 127 mm. diameter ; since it is working through a liquid polishing paste dispenser and special belts the LT 130 MIRROR polishing machine allows to reach mirror
Mirrors ,glass, grinding machine for P (5) 107b. method of producing, P (4) 84i. palladium oxide coated P (6) 133a. parabolic for solar furdaces (9) 211c. for refleciingpolarized light: P (6) 132f. silvering, P
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
Grinding the curve into the mirror face can be done by one of the following approaches: Ceramic tiled tool ground against the mirror face. Glass tool ground against the mirror face. Ring tool. Motorized grinding wheel on the end of along boom that is anchored that is moved back and forth across the mirror face.
PZX 5-Axis Prism Grinding Machine. The PZX prism grinding machine is the latest solution for companies looking to enhance their prism manufacturing capabilities. Machine prisms up to 6″ thick
Nov 01, 2011· 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
PZX 5-Axis Prism Grinding Machine. The PZX prism grinding machine is the latest solution for companies looking to enhance their prism manufacturing capabilities. Machine prisms up to 6″ thick
Alibaba offers 1,551 mirror grinding machine products. About 4% of these are metal polishing machine, 3% are glass processing machinery, and 1% are polisher. A wide variety of mirror grinding machine options are available to you, such as glass beveling machine, glass cutting machine, and glass edging machine
Mirror Surface Machine, Mirror Surface Machine Suppliers Directory Find variety Mirror Surface Machine Suppliers, Manufacturers, Companies from around the World at surface grinding machine ,flat surface labeling machine ,solid surface machine
Mirror Grinding Machine Hackaday. Sep 26 2006 · Grinding and polishing your own mirrors is a long arduous process Instead of lapping the blank by hand Laurie Hall built this mirror grinding machine
For grinding my first 6" mirror I built a simple grinding machine. It has a 'sliding turntable' which is mounted on a platform which is moved back and forth by a gear motor. The turntable is driven by a linear piece of drive belt mounted on a wooden plate at the backside of the machine.
The Barinder is designed for fast product changeovers. The part holding fixtures are generally changed with simple hand tools in a few minutes. BARINDER FEATURES: Automatic grinding-deburring machine for medium to large size castings; Suitable for grinding
Here is a blank with the rough edge ground down and trued up. It only takes a few minutes on the grinding machine I built for the job. Here is the super simple grinding machine I built to true up the
The Machines: Documentation: Information for ATMs Zip archive of Mirror-o-Matic Yahoo Groups (2000-2019) 307 MB Contact Dennis
A table saw covered with layers of newspaper about 1/2 inch thick (to support the mirror and tool) was used as the grinding stand. A "wet" began by spraying the disks with water and smearing a small amount of grit over the tool (or mirror) with my fingers. The mirror (or tool) was then carefully placed on top of the tool (or mirror
How to Make Your Own Telescope Mirror: [Fig 1] This is a large piece of glass a woman off Craigslist gave me. It was 40"x40" and 0.75" thick. Its what I decided to use to make the mirror. Cutting it into
Jan 01, 1996· The time consumed in the processes is very short. The control method and the structure of the grinding system are simple. 1. INTRODUCTION Some mirrors used in synchrotron radiation facilities made of advanced ceramics [1][2] are very difficult to machine
Zafferani glass edge grinding machine manufacture: Savam S.R. L. Italy Year of manufacture 2000 suitable for the use of Abrasive belts 2400mm Solid construction Simple centring of the belts
Depending on the grinding machine and grinding process, there are a number of coolant lubricant nozzles which ensure needs-based coolant lubricant supply(you can find examples here). Other advantages of optimum cooling may be a higher service life for the grinding tools and higher productivity of the grinding
Glazing this term covers a wide spectrum of activities related to working with glass, windows and frames. This begins with cutting, assembly of panes and windows as well as the required measuring