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Here is a 25 inch [635cm] mirror being rough ground followed by a beautiful grinding stand from the Delmarva Mirror Making Seminar. Grinding Tools To construct a grinding tool, attach unglazed ceramic tiles, 1 inch [2.5cm] square, to one of these substrates:

mirror grinding machine design. mirror grinding machine design Mirror Grinding Machine - ATM, Optics and DIY Forum,- mirror grinding machine design,This image shows the 3D model of the overarm assembly I added to my small spin-post grinding machine (I'm building a bigger one now based on the same basic overarm design) In the one shown, the overarm is,..

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 0.75" 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...

I borrowed a few ideas from the Mirror-O-Matic mirror grinding machine, particularly how to mount the turntable on top of the pulley. Anyone building machinery for cold-working glass should have a look at the MOM web site and plans. There are lots of good ideas there.

Throughout the grinding and final lapping stages, the objective has been to reduce pits and scratches to the smallest possible size. However, no amount of grinding can produce a surface smooth enough or sufficiently transparent to meet the needs of a first-class telpe objective. Different techniques are .

Telpe Mirror Grinding Machine For Sale. Mar 16, 2015· 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.

Making a homemade mirror grinding machine ATM, Optics. 06/03/2006· 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.

Aug 19, 2019· - an old homemade desk - serve as the platform (free) ... I was thinking about hand grinding a mirror. I watched a YouTube video of John Dobson hand grinding a mirror. ... this is a glass grinding machine". Spouse: "OK, Have fun with that, be sure you vacuum up the mess, and throw out all the sundry flotsam." Its going to take a huge vacuum.

Mirror grinding machine ebay. save mirror grinding machine to get e-mail alerts and updates on your ebay feed. + items in search results telpe mirror grinding machine design info plans original 1951. a construction manual for converting the mirror -o-matic. the original mirror -o-matic had a turntable that doubled as a slurry drip pan.

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

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.

VEVOR Gem Faceting Machine 180W Jade Grinding Polishing Machine 3000RPM Rock Polisher Jewel Angle Polisher with Faceted Manipulator Led Light and Water Pump Flat Grinder for Jewelry Polisher(110V) 5.0 out of 5 stars 1. $339.59 $ 339. 59. FREE Shipping. Only 1 left in stock - order soon.

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. The blank only weighs 10 lbs, 4 oz. I am very excited about this process.

The problem with thin mirrors is that they flex more easily during grinding and polishing, making it hard to achieve the required surface precision. They also need a more complex mirror cell (additional support points). Plop is a useful software to let you calculate the number of points needed based on the diameter and thickness of the glass:

Mirror grinding machine 05-14-2004, 06:04 PM. Have any of you ever built one of these? I have a 3hp motor and a 20:1 worm drive that I think could probably be used for such a device. Looking for ideas on what to look out for when building and deffinetly what not to do. Am planning on a steel 2 X 2 frame and as large a turntable as 3 hp could turn.

Nov 12, 2016 - An edge grinding machine for telpe mirror blanks. Nov 12, 2016 - An edge grinding machine for telpe mirror blanks. Stay safe and healthy. Please wash your hands and practise social distancing. Check out our resources for adapting to these times. ... Homemade worm gear hobbed with a thread tap. Tom Machining.

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.

Fixed post mirror grinder adviceDIY Astronomer . 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 and/or tool.

Homemade Mirror Grinding Machine. homemade mirror grinding machine homemade mirror grinding machine GrindingPolishing and figuring a 14 f385 Telpe Mirror Furthermore I decided that I would like to grind and polish the mirror myself There are several benefits to do is sourcing the glass blank and various grinding powders required. Read More

Homemade Telpe Mirror Grinding Machine. Make Your Own Telpe Kits Sharp Vision. The standard kit includes all the finished optical components needed to build a newtonian reflecting telpe namely, the primary concave mirror, the secondary flat mirror, two eyepieces of 25mm and 12.5mm focal lengths, one barlow lens that increase the power of any of the eyepieces from 1.5x to 4x times ...

(3) A homemade telpe mirror can be made with more accuracy and smoothness than the mass-produced, 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.

Grinding Machine for Large Telpe 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.

Making a Mirror-O-Matic Mirror Making Machine, 20 inch mirrors, and a CD with building plans, below the machine is fine grinding an 8 inch mirror with an .... know more plan of grinding machine

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 .
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