European Type Jaw Crusher

European Type Jaw Crusher is a new crushing machine, the jaw crusher manufacturer, after the release of traditional jaw crusher. This jaw crusher is a perfect combination of modern science and technology and the production practice, which can better satisfy the automatic production demands of vast customers.

Input Size: 0-930mm
Capacity: 12-650TPH

Materials:
Granite, marble, basalt, limestone, quartz, pebble, copper ore, iron ore.

VSI6X Series Vertical Crusher

Due to the increasing market demand for the scale, intensification, energy conservation, environment protection and high-quality machine-made sand, a Chinese professional sand maker manufacturer, further optimizes the structure and function of traditional vertical-shaft impact crushers and launches a new generation of sand-making and reshaping machine with high efficiency and low costs --- VSI6X Series Vertical Crusher.

Input Size: 0-50mm
Capacity: 100-583TPH

Materials:
Granite, quartz, basalt, pebble, limestone, dolomite, etc.

LM Vertical Mill

High drying efficiency, Low running cost, Good environmental effect

LM Vertical Mill integrates crushing, drying, grinding, classifying and conveying together, and it is specialized in processing non-metallic minerals, pulverized coal and slag. Its coverage area is reduced by 50% compared with ball mill, and the energy consumption is saved by 30%-40% similarly.

Applications: Cement, coal, power plant desulfurization, metallurgy, chemical industry, non-metallic mineral, construction material, ceramics.

MTW Trapezium Mill

Large capacity, Low consumption, Environmental friendly

MTW European Trapezium Mill has a large market share in the grinding industry. Whether bevel gear overall drive, inner automatic thin-oil lubricating system or arc air channel, these proprietary technologies makes machine advanced, humanized and green.

Applications: Cement, coal , power plant desulfurization, metallurgy, chemical industry, non-metallic mineral, construction material, ceramics.

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Little abrasion wear, Long service life

Based on 30 years of development experience of grinding equipment, LM Heavy Industry produced LUM Series Superfine Vertical Roller Grinding Mill to make ultra-fine powder. The grinding roller doesn't contact with millstone usually, which makes abrasion little and service life longer.

Applications: Superfine dry powder of none-metal ores such as calcite, marble, limestone, coarse whiting, talc, barite and dolomite and so on.

grinding machine telescope

Grinding Machine for Large Telescope Mirrors

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

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telescope mirror grinding / polishing machine with

Feb 15, 2016 The machine is shown grinding a 300 mm mirror.How to build a tachometer: florin.myip/blog/making-tachometer-grinding-polishing-machine-telescope-m...

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Mirror Grinding Machine

If you don't have a gear box, you should stick with the M-o-M power head design. In the configuration shown, the reducer shaft output is 50 rpm, the eccentric rpm is 11, and the turntable rpm is 67. This is typical for grinding and polishing. For figuring, I have another set of pulleys that spin the eccentric at 25 rpm and the turntable at 11 rpm.

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Grinding a 25-Inch F3 Telescope Mirror: Thinning and

Dec 16, 2014 Gordon started with a 2" thick telescope mirror that weighed about 70 pounds. By thinning the blank, he's lightened the mirror by about 20 pounds! This vid...

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Machine grinding a 25" telescope mirror. www

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.

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Machine grinding a 25" telescope mirror. www

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.

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How I built an edge grinder for telescope mirror blanks.

I eventually decided I needed to build a dedicated edge grinding machine. This is how I did it. I started the build by making a sturdy frame for the unit out of 2x4 lumber and 3/4 inch thick plywood. Wheels were added to the bottom of the unit so it can be wheeled outside. The grinding operation will be messy, so it will need to be done outside.

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Build your own telescope part 1: The mirror Thomas

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.

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Mike's Telescope Workshop

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 telescope mirror blank that I made myself.

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Newport Glass Works, LTD. Grinding, Polishing and Figuring

Thin Telescope Mirrors . Abridged from an article appearing in Telescope Making #12 Provided: Courtesy of Astronomy Magazine There are several ways to support the mirror on a grinding and polishing machine turntable, but first make sure the turntable itself is rigid. It must not bend. If your machine lacks a sturdy turntable, one way to

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Amateur Telescope Making Main Page Stellafane

Hundreds of links to all aspects of telescope making on the internet. ATM Material Suppliers US suppliers of Mirror Blanks, Grinding & Polishing Supplies, and Telescope Making Supplies. Astronomy Clubs Many can offer help with your project. Astronomy Conventions & Star Parties

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Mel Bartels' Amateur Telescope Making

The I.A.U. named asteroid 17823 Bartels discovered 1998 by J.M.Roe in recognition for my contributions to amateur astronomy. Making is the Key to Knowing. A telescope mirror is arguably the most accurate surface made by human or machine. Amazingly you can grind a mirror by hand and make a telescope with simple hand tools.

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Mirror grinding Telescope making

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

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Mirror-o-Matic mirror making machine ATM pages of

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.

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Making my own fixed post mirror grinding/polishing machine

Oct 15, 2012 Page 1 of 2 Making my own fixed post mirror grinding/polishing machine posted in ATM, Optics and DIY Forum: Hey guys. Im thinking of making my own fixed post mirror grinding/polishing and curve generating machine. Ive got loads of questions regarding the design so Ill just start firing away Do I need an eccentric moving tool to be able to polish a mirror spherical?

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Stellafane ATM:Mirror Making Myths

You may notice that many commercial telescope advertisements proclaim they use "Hand Figured Optics" in fact this is one of the best and least expensive ways to get an accurate surface on a mirror most machines just can't hold the tolerances necessary, and any good telescope optic, including the mirror you could make in your kitchen, should

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Large Thin Mirror Making BBAstroDesigns

A grinding machine relieves the labor, but is not necessary. A 24" is the largest you can comfortably do solo.,Sky and Telescope magazine starting on page 75 carries an article by Toshimi Taki, analyzing mirror cell design to support thin mirrors. We choose 220 grit to start because the grinding particles are small enough to move onto

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Constructing a Grinding Machine for large apertures ATM

Nov 19, 2018 Page 1 of 2 Constructing a Grinding Machine for large apertures posted in ATM, Optics and DIY Forum: Ive been using a 4.5 equatorial from Orion for many years now and Ive finally got the time and money to build a telescope from the ground up. Unfortunately my local astronomy club has no-one with experience with ATM-ing. Given how interested I am on the subject (prospective

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mirror grinding machine for sale mayukhportfolio.co.in

Mirror Grinding Machine. telescope mirror grinding machine based on Dennis Rech's M-o-M 20. Read more. SkyBadger Mirror Grinding Machine. I have a Mirror-o-maticmirror making machine that I swapped with MikeMS for a Newtonian telescope that was no use to me. The grinding machine had been built to the design of the mirror-o-matic design of

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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.

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Newport Glass Works, LTD. Grinding, Polishing and Figuring

Thin Telescope Mirrors . Abridged from an article appearing in Telescope Making #12 Provided: Courtesy of Astronomy Magazine There are several ways to support the mirror on a grinding and polishing machine turntable, but first make sure the turntable itself is rigid. It must not bend. If your machine lacks a sturdy turntable, one way to

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Making the 20 inch Conical Mirror Pierre Lemay

To do these operations I built a grinding machine which would be used throughout the project. My grinding machine, shown in these pictures, was based on Dilworth’s grinding machine seen in the Nov-Dec 1977 issue of S&T: The grinding machine has three spindles. The right spindle is the one on which the mirror is mounted.

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Mel Bartels' Amateur Telescope Making

The I.A.U. named asteroid 17823 Bartels discovered 1998 by J.M.Roe in recognition for my contributions to amateur astronomy. Making is the Key to Knowing. A telescope mirror is arguably the most accurate surface made by human or machine. Amazingly you can grind a mirror by hand and make a telescope with simple hand tools.

get price

Amateur Telescope Making Main Page Stellafane

Hundreds of links to all aspects of telescope making on the internet. ATM Material Suppliers US suppliers of Mirror Blanks, Grinding & Polishing Supplies, and Telescope Making Supplies. Astronomy Clubs Many can offer help with your project. Astronomy Conventions & Star Parties

get price

Mirror grinding Telescope making

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

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jeffbaldwin

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.

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Stellafane ATM:Mirror Making Myths

You may notice that many commercial telescope advertisements proclaim they use "Hand Figured Optics" in fact this is one of the best and least expensive ways to get an accurate surface on a mirror most machines just can't hold the tolerances necessary, and any good telescope optic, including the mirror you could make in your kitchen, should

get price

Making my own fixed post mirror grinding/polishing machine

Oct 15, 2012 Page 1 of 2 Making my own fixed post mirror grinding/polishing machine posted in ATM, Optics and DIY Forum: Hey guys. Im thinking of making my own fixed post mirror grinding/polishing and curve generating machine. Ive got loads of questions regarding the design so Ill just start firing away Do I need an eccentric moving tool to be able to polish a mirror spherical?

get price

Making a homemade mirror grinding machine ATM, Optics

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 questionwill 1 1/2 shaft size pillow block bearings work good for a homemade EQ mount? Thank you,John

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Goplus 750W Drywall Sander with LED Light and Collection

Goplus 750W Drywall Sander with LED Light and Collection Bag, Variable Speed 900-1800 RPM Electric Drywall Sander with Telescope Handle and 6 Sand Pads, Dust-Free Wall Grinding Machine -

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Building a fixed post mirror grinding machine

Aug 19, 2019 Are you working on another telescope?" Me: "Not this time, 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. You do not have the required permissions to view the files attached to this post. Ian

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tut44 Making A Mirror Grinding Tool Asterism

Making A Mirror Grinding Tool By Allen Malsburry The average person would never think, “I can make my own telescope.” Most amateur astronomers believe, “I can buy a better telescope than I can build.” Neither is actually correct. For many decades now, amateur

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Waite Research Mirrors For Telescopes Science

Grinding 14.75" Quartz Telescope Mirror. 27. What's new? Gordon built the new grinding machine to accept easily-interchangeable turntables. "The turntables just lift right off the machine. There is a socket on the drive shaft (actually just a pulley) and the turntable has three mating pieces that drop down into the socket holes. Changing

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