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Telpe Mirror Making: Part Rough Grinding This is part 2 of my video series documenting grinding and polishing a inch telpe mirror. I'm using a spin or fixed post grinding machine. This video shows a few initial stages of making a primary mirror for a telpe. After hogging the mirror blank to depth, the rough grinding stage begins.
Stellafane External Links provide links to related information on Amateur Telpe Making, Mirror Making, Optics, other Astronomy clubs and local area links to the Springfield, Vermont area.
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 Telpe Making" Book 1. A bowl which rotated was fitted to the spindle. I also built another machine .
China Polishing Machine manufacturers - Select 2019 high quality Polishing Machine products in best price from certified Chinese Grinding Machine manufacturers, Grinding Equipment suppliers, wholesalers and factory on Made-in-China
8th place Da Vinci Gear Challenge Winner FLYING MACHINE by nicolas.marc-1. Awesome concept and design work! Not sure the degrees that transfer the rotation 90 degrees would work very well, so it's hard to tell if this would work in practice. Would earn top marks if user had printed it .
Amateur telpe making is the activity of building telpes as a hobby, as opposed to being a paid professional.Amateur telpe makers (sometimes called ATMs) build their instruments for personal enjoyment of a technical challenge, as a way to obtain an inexpensive or personally customized telpe, or as a research tool in the field of astronomy.
There are a lot of misconceptions about making a mirror - read this even if you don't plan to make a mirror, but just want to know how it is done - with your bare hands and a few simple tools, you can grind and figure a fine mirror with a surface accurate to a few millionths of an inch! Telpe Formulas and Design Comparator
Sep 21, 2008· The Diamond curve generating machine in this video is grinding a 16' mirror blank. The purpose of this machine is to generate a curve into the mirror using homemade grinding tools, a diamond saw ...
Alibaba offers 15,051 glass grinding machine products. About 18% of these are glass processing machinery, 9% are mine mill, and 2% are grinding equipment. A wide variety of glass grinding machine options are available to you, such as ce, ul, and ur.
The Design . I began by measuring the sizes of what I already had, a 1/3 hp 1750 rpm electric motor and a 25:1 geared speed reducer. Then I took a rough cut at the MoM-20 H-frame and placed the motor and gear box on it. Lining up the pulleys, drilling holes for the mounting bolts and making sure the belts would clear everything drove the design
The mirror machine came to me as a result of astronomical horse-trading, swapping a large GEM mount and a 8" Newtonian OTA for the machine as it was and a start kit consisting of two 6" blanks and the grit, rouge and pitch to manufacture a mirror. The grinding machine had been built to the design of the mirror-o-matic design of Dennis Rech ...
I finally decided it was time to 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 telpe mirror blank that I made myself.
Mirror Reflections is a moulding knife design and manufacturing company that produces some of the finest quality molding knives, profile templates and CAD (computer-aided design) drawings in the woodworking industry.We are a reliable resource for superior quality cutters for the moulder or shaper and acrylic templates for profile knife grinders.
Rough grinding is complete for the 12.5 inch honeycomb-back telpe mirror blank. The rough grinding went pretty quickly and painlessly this time. I only have maybe 12 hours of actual work in the mirror so far. It's hard to believe, but the rough grinding has removed over a pound of glass. The mirror now weighs in at only only 8 pounds 15 ounces.
Mirror grinding machine construction log I started thinking about building my own mirror grinding machine several years ago. Having been on the ATM list now since almost the beginning of it here on the web, I had lots of of inspiration reading of others projects and viewing their webpages
Dec 06, 2009· The movie shows the Zeiss machine in all its phases, putting together notes, drawings and films that make up the story: from initial idea to the project, manufacturing of machine parts to the ...
Aero Lap is the incredibly easy-to-use polishing machine that creates a mirror-smooth finish even on hard–to-polish parts. The Aero lap uses an exclusive, automatic, high-speed multi-cone technology and a unique abrasive medium to do away with the need for manual polishing punches, dies, small-sized molds and other intricate parts.
The mount design is very similar to that described in Kriege and Berry's book, "The Dobsonian Telpe - A practical manual for building large aperture telpes". However, instead of using steel, I used wood. ... Supplier of mirror grinding and polishing materials, including Microgrit and Gugolz pitch.
Design plans for a Power Grinder for Telpe Mirrors. The machine automatically carries out the motions for grinding and polishing a 6" Telpe Mirror. hand grinding. These are not detailed How-To Plans - they do however cover all the details needed for designing your own custom machine. Uses a 1/3 hp electric motor. Wood frame construction
Grinding the secondary is just like grinding any other optic except in minature. I ground the secondary with the 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.
Astronomy, telpe 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 Machine Figuring Figuring a Paraboidal mirror by thermal predistortion Optical Testing The Basics of Telpe Testing Test Stand
In addition, a great deal of money will be saved: a finished 24" scope will set you back $7,000; grinding your own mirror and building the mount yourself will cost you $2,000. Amateurs have made mirrors up to 41" by hand. A grinding machine relieves the labor, but is not necessary. A 24" is the largest you can comfortably do solo.
The automatic measuring device was applied to the grinding machine in 1908. Around 1920, centerless grinders, double-face grinders, roll grinders, guide grinders, honing machines and superfinishing machines were used. In the 1950s, there was a high-precision cylindrical grinding machine that could be used for mirror grinding.
C. R. Laurence is the world leader, wholesale distributor to the Glazing, Industrial, Construction, Architectural, Hardware and Automotive Industries, supplying railing, windscreen, standoffs, and other supplies to major industries and manufacturers.
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