how to grind a telpe mirror manufacturer Grasping strong production capability, advanced research strength and excellent service, Shanghai how to grind a telpe mirror supplier create the value and bring values to all of customers.
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Sep 29, 2010· Mirror Grinding Machine posted in ATM, Optics and DIY Forum: I have some interest in building a grinding machine for possible up to an 18 mirror, but something that will also do a 6 or 8 mirror. I have plans for the Mir O Matic but would like to do something a bit more modern. I have some ideas about using a AC drive and a large aluminum disk for the turntable and have made a parts list .
Grinding the back flat is just the first step in preventing astigmatism. The next step is the proper mirror support. Fine grind and polish the mirror face up. A thin mirror bends over the edge of the tool if it''s worked on top, so the problem reduces to supporting the mirror from its underside.
May 30, 2014· This is how you make a telpe mirror out of a hunk of glass: Use a sand mixture and another piece of glass to grind away the middle of a concave shape. Repeat with finer and finer grit sand. Dave Barosso demonstrates the technique, but to do it yourself, try to visit one of the Telpe Makers Workshop''s classes on Friday nights in Oakland.
Instead, you can make your own simple 9x magnification Galilean telpe at home. It''s affordable yet powerful enough to see many of the wonders the sky has to offer. With a focus of 9x, this powerful homemade telpe lets you see features on the Earth''s moon and Saturn''s rings as a disk.
Grinding Machine for Large Telpe Mirrors. I designed and built a grinding machine for mirrors up to 42 inches [] 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 ...
Making a Refractor Telpe is a handson book for the amateur who has always thought making a refractor was too difficult to even consider. Since publication of Albert Ingall''s first volume of Amateur Telpe Making, amateurs, using rudimentary tools, have made thousands of telpes.
(3) A homemade telpe mirror can be made with more accuracy and smoothness than the massproduced, commercial mirrors available today. Unfortunately, the cost of mirror grinding kits and pyrex blanks has increased significantly in recent years to the point where any savings from making a mirror versus buying one are minimal at best.
Nov 06, 2013· Page 1 of 2 24 F/6 thin telpe mirror grinding 3/4 plate posted in ATM, Optics and DIY Forum: A friend and I have decided to grind this as a fun yet challenging project. I have ground and polished several mirrors including a 6,,, and quartz mirror. I have decided to take the next step with this ultrathin setup. I know it is bordering on the edge of extremely thin with a 32 ...
How to Make Your Own Telpe Mirror: [Fig 1] This is a large piece of glass a woman off Craigslist gave me. It was 40"x40" and " thick. Its what I decided to use to make the mirror. Cutting it into smaller sections can be difficult but scoring it with a glass cutter and tapping t...
My Mirror Grinding Machine. For a long time I''ve wanted to build a machine for grinding telpe mirrors. Dennis Rech''s MoM designs finally inspired me to just get up and do it. Over the years, I''d been collecting motors, gear boxes, pulleys, etc.
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 telpe ( F/D = 4) well suited for deep sky observations. On the opposite, a shallow mirror ( F/D = 8) will be performing very well on planets and the moon.
Well, that depends. Mostly on the mirror size you wish to grind, and the prices of the local market. In the US, telpe mirrors are the cheapest. A decent 6" (150 mm) mirror can be bought for under 100. In Europe, prices are usually twice, if not three times that.
Mirror Making Myths. Mirrors can only be made with Special Precision Equipment in Expensive Factories or Labs; Not True! Telpe mirrors can be made in your kitchen, basement or garage with nothing more than the mirror blank and a second piece of glass (called the tool) to rub the mirror against with an abrasive grit and water slurry.
31 rows· The center will deepen during the first stage of fine grinding as contact is achieved across .
Other Mirror Classes. This page lists mirror making making classes that we are aware of. Just like our Stellafane mirror class, these groups will help you learn how to make a telpe mirror, and provide guidance, instruction, and mentoring to help you with your project, and connect you with knowledgeable ATM''s to answer your questions.
Feb 15, 2016· Making a 33 cm f/ mirror on the MirroroMatic 6: polishing the surface with a pitch lap Duration: 9:12. Jan van Gastel 3,159 views
MirrorOMatic grinding machine. When I decided in 2009 after a tenyear 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.
* When grinding a telpe mirror, you will find that plate glass takes less time to grind and polish than a mirror made from borosilicate glass. Please see the Buy Telpe Mirror Blanks page for low prices on plate glass mirror blanks.
Mar 11, 2010· Gordon Waite shows some steps during fine grinding of the 20" mirror. As the grind progresses through the grades of abrasives, see the technique Gordon uses to change from 5micron to 3micron ...
May 06, 2010· Labour is so much cheaper in China where almost all telpes are made nowadays. Kits are available with all the necessary materials to grind and polish a mirror from Newport Glass Works. You grind the mirror blank by rubbing it on a glass tool using increasingly fine abrasives.
Can You Do It? Make your own telpe mirror, that is? by Doug Scobel Printed in Reflections: June, 2003.. Make your own Newtonian telpe mirror that is? Most people think it is such a daunting task that they never even consider it.
US suppliers of Mirror Blanks, Grinding Polishing Supplies, and Telpe Making Supplies. Astronomy Clubs Many can offer help with your project. Astronomy Conventions Star Parties A good place to look at various telpes and chat with their owners. Mirror Making Courses Workshops
Mar 06, 2006· Making a homemade mirror grinding machine posted in ATM, Optics and DIY Forum: I want to make a motorized mirror grinder, any good info on this, i have a couple geared motors, low speed high torque. One more question ...will 1 1/2 shaft size pillow block bearings work good for a homemade EQ mount? Thank you, John
Aug 27, 2012· The natural mirror grinding process will create a sphere. The first part of making a mirror is to grind and polish to a sphere of the required focal length. Then the mirror is parabolised, by using special polishing strokes, that changes the figure from sphere to paraboloid.
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