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Flotation machine is the equipment to complete the flotation process, which is also called flotation cell. It is widely used for the rough, fine and reverse flotation operations of copper, lead, zinc, nickel,

Metal Powder Briquetting Machine
Metal Powder Briquetting Machine

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Sand washing machine, also called sand washer machine and silica sand washing machine, is a kind of washing equipment for artificial and natural sand.

telescope mirror grinding ball mill machine plans

Nov 24 2017 · The Giant Magellan Telescope doesn’t seem so giant in the renderings until you see how the mirrors are made The telescope will require seven total mirrors each 27


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Mirror grinding  Telescope making
Mirror grinding Telescope making

There are many reasons for grinding your own mirror Either you want a unusual size or focal length or to satisfy your curiosity or to have the pride of achievement by fabricating something as precise as a telescope mirror

Lens  Mirror Making Best lenses and mirrors are
Lens Mirror Making Best lenses and mirrors are

Lens Mirror Making • Best lenses and mirrors are both made by grinding the surface • Start with a mirror or lens blank • For mirrors only surface needs to be good • Typical mirror want pyrex eg BK7 • Then need a tool blank – poorer glass softer glass • Place mirror on top tool • Now add grinding compound grit between

Telescope Mirror Kits
Telescope Mirror Kits

Want to build your own telescope Start with one of our telescope mirror kits Each kit comes with a telescope mirror blank and all the abrasives silicon carbide grits and white aluminum oxide powders cerium oxide polish and pitch to grind and polish it to your specifications

Home made grinding polishing machine detailed plan
Home made grinding polishing machine detailed plan

Home Made Mirror Grinding Polishing Machine Detailed Plan Home made mirror grinding polishing machine detailed plan 47 7858 Ratings The Gulin product line consisting of more than 30 machines sets the standard for our industry Flat Laps Graves Company Flat Laps are used to grind and polish slabs or other flat surfaces such as crystals geodes

Newport Glass Works LTD Grinding Polishing and Figuring
Newport Glass Works LTD Grinding Polishing and Figuring

The thickness you choose if you have a choice is determined by the diameter of the mirror and how you plan to mount the mirror in the telescope For mirrors under 19 I would not use glass under 1 thick and if youre buying Pyrex Id use a 162 sheet There are several ways to support the mirror on a grinding and polishing machine

Mirror Grinding Machine » Leonardo Da Vincis Inventions
Mirror Grinding Machine » Leonardo Da Vincis Inventions

Mirror Grinding Machine Leonardo’s Mirror Grinding Machine leonardo miror grinding machine The mirror or lens grinding machine is a masterpiece of mechanical engineering It has several gears in mesh at all times and also has several variable settings built into it Devices like these are still used nowadays by amateur telescopeoptical

How to Make Your Own Telescope Mirror
How to Make Your Own Telescope 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 40x40 and 075 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

Mirror grinding machine construction log
Mirror grinding machine construction log

Mirror grinding machine construction log position of the end of the micrometer is a carbide ball left over from my 35 Spherometer Without the ball bearing the micrometer will grab the aluminum and try to lift it You can buy micrometer heads with a ball or radiused end but they

How I Make LightWeight Hexagon or Honeycomb Telescope
How I Make LightWeight Hexagon or Honeycomb Telescope

How I Make LightWeight Hexagon or Honeycomb Telescope Mirror Blanks So Whats next I plan on grinding and polishing this 125 inch mirror to see how well it takes a figure and if the pattern of the back prints through I am also planning on making larger diameter versions of this design My brother and I have built a CNC mill I

Stellafane Links Page
Stellafane Links Page

Stellafane External Links provide links to related information on Amateur Telescope Making Mirror Making Optics other Astronomy clubs and local area links to the Springfield Vermont area A large list of links to other web sites we hope you will find useful

Mikes Telescope Workshop
Mikes Telescope Workshop

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 homebuilt edge grinding machine for grinding down my homecast mirror blanks Click to see the whole project This is a 125 inch diameter 15 inch thick lightweight honeycombback telescope mirror blank that I made myself

Telescope Making Supplies
Telescope Making Supplies

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 firstclass telescope objective Different techniques are

Supplies  home made telescope  Building a Telescope
Supplies home made telescope Building a Telescope

Telescope Objective Mirror 1 I looked around and ending up in an email conversation with Ken Saumure of Peek’r Technologies Although the cost of his mirrors was more than other places I looked I liked the service and ordered through him Cost 225 for a six inch mirror at 18 wave

Would an amateur telescope maker be able to grind a mirror
Would an amateur telescope maker be able to grind a mirror

The record for largest telescope made the same way amateurs use today goes to Irelands Lord Rosse who in 1845 built a 72inchtelescope Mirror grinding How the Enormous Mirrors on the Worlds Largest Telescope Are Made Liquid mirror telescope

Mel Bartels Amateur Telescope Making
Mel Bartels Amateur Telescope Making

The mirror shows no astigmatism after polishing out on my mirror making machine a major milestone Finally the precision refractory molds for slumping the 42 inch mirrors in the kiln are proving too thin Not to despair I have a plan See my updated notes and pictures IC443 the Jellyfish Nebula with my 13 and various filters

Mirror Grinding Machine » Leonardo Da Vincis Inventions
Mirror Grinding Machine » Leonardo Da Vincis Inventions

Mirror Grinding Machine Leonardo’s Mirror Grinding Machine leonardo miror grinding machine The mirror or lens grinding machine is a masterpiece of mechanical engineering It has several gears in mesh at all times and also has several variable settings built into it Devices like these are still used nowadays by amateur telescopeoptical

Build a Home Made Telescope  Vintage Projects
Build a Home Made Telescope Vintage Projects

Build a Home Made Telescope These plans are for a homemade telescope that will be cheap to build At the time this telescope only cost 10 to build Were missing part one where they begin to polish the mirror but have the rest of the plans And really who wants to polish a mirror for days

CNC Optical Grinding Machines  OptiPro
CNC Optical Grinding Machines OptiPro

CNC Optical Grinding Machines Improve the quality of your surfaces along with your bottom line In the world of precision grinding accuracy speed and easeofuse can coexist

fine grinding mill for quartz
fine grinding mill for quartz

fine t130x grinding mill quartz oalebakkershoes The 4252500mesh mill plant Heavy Industry HGM series threering mediumspeed micropowder grinding mill is designed It is a new type of mill for processing super fine powder which is with test and improvement for more than 20 times

Supplies  home made telescope  Building a Telescope
Supplies home made telescope Building a Telescope

Telescope Objective Mirror 1 I looked around and ending up in an email conversation with Ken Saumure of Peek’r Technologies Although the cost of his mirrors was more than other places I looked I liked the service and ordered through him Cost 225 for a six inch mirror at 18 wave

Homemade GEM german equatorial telescope mount  how
Homemade GEM german equatorial telescope mount how

I own a 7x12 mini lathe and a micromill so Im not going to be making 24 inch worm wheels Youd be amazed at how you can work solidly in the workshop for a day and still end up with one tiny part of the whole machine Does the homemade telescope mount work Main homemade German equatorial GEM telescope mount project Category page

Home Machine Shop Area  Conrad Hoffman
Home Machine Shop Area Conrad Hoffman

machine shop related pages and downloads Home Shop Machining Area let me know what youd like to see here I have a small home shop with a 1947 Logan model 211 lathe a Grizzly milldrill and the usual collection of bits cutters measuring tools and chips

Home shop machinist  Strappe
Home shop machinist Strappe

I made this toolpost grinder from plans in an article in Home Shop Machinist a very nice design btw Commercial toolpost grinders cost between 1K and 2K while this was about 250 It uses a small router as a motor while the grinding wheel shaft runs in highspeed sealed ball bearings in a billet aluminum frame

Homemade 125 Inch Dobsonian Telescope 5 Steps with
Homemade 125 Inch Dobsonian Telescope 5 Steps with

Jul 25 2008 · Homemade 125 Inch Dobsonian Telescope How to build a 125 inch closed tube Dobsonian telescope I began building it in the spring of 2008 but the bulk of the work was done in July of 2008 with first light occurring on July 25 This Instructable describe the planning design and p

Amateur Telescope Making edited by Albert G Ingalls
Amateur Telescope Making edited by Albert G Ingalls

First some history about how the Amateur Telescope Making books came to be In the early 1920s a naturally curious fellow Albert Ingalls happened to read an article in an obscure magazine by an even more curious fellow Russell Porter

Home shop machinist  Strappe
Home shop machinist Strappe

I made this toolpost grinder from plans in an article in Home Shop Machinist a very nice design btw Commercial toolpost grinders cost between 1K and 2K while this was about 250 It uses a small router as a motor while the grinding wheel shaft runs in highspeed sealed ball bearings in a billet aluminum frame

Shape Adaptive Grinding of CVD Silicon Carbide on
Shape Adaptive Grinding of CVD Silicon Carbide on

Shape Adaptive Grinding of CVD Silicon Carbide on Graphite for XRay Mirror Molding Dies Yoshiharu Namba Anthony Beaucamp that is inexpensive to acquire and machine at least one order of magnitude cheaper than Plans for future hard Xray space telescope

How accurate is a Shopbot Desktop CNC router when it
How accurate is a Shopbot Desktop CNC router when it

Jul 02 2016 · Acrylic is not a suitable material for an optical quality telescope mirror The coefficient of thermal expansion for acrylic alone disqualifies it not to mention its ‘stiffness’ would be such that simply mounting it would cause enough distortion

Homemade GEM german equatorial telescope mount  how
Homemade GEM german equatorial telescope mount how

I own a 7x12 mini lathe and a micromill so Im not going to be making 24 inch worm wheels Youd be amazed at how you can work solidly in the workshop for a day and still end up with one tiny part of the whole machine Does the homemade telescope mount work Main homemade German equatorial GEM telescope mount project Category page

Telescope Secondary Holder
Telescope Secondary Holder

The angled mounting surface for the mirror is made from a piece of 2 PVC pipe This can be cut with a hand saw a table saw a band saw or set up on the milling machine If sawing use a good length of pipe against the mitre guide for safety and stability

Building a BrooksStent Cutter Grinder
Building a BrooksStent Cutter Grinder

Building a BrooksStent Cutter Grinder Last Modified Click to Enlarge I eventually returned to my old notion of building a BrooksStent the plans disappeared from that site in January 07 after I copied them to my disk to sharpen end mills As usual when starting a project it

All About Glass  Corning Museum of Glass
All About Glass Corning Museum of Glass

Oct 03 2011 · Dr Hale died in 1938 while the grinding of the huge mirror was still under way He would have expected the telescope to be completed early in the following decade but war intervened and the nearly completed mirror was not transported to its final home on Palomar until November 1947

Mirror Polishing Machine Mirror Polishing Machine
Mirror Polishing Machine Mirror Polishing Machine

offers 124967 mirror polishing machine products About 1 of these are other metal metallurgy machinery 1 are glass processing machinery A wide variety of mirror polishing machine options are available to you such as free samples paid samples

Major specification  Hitachi HighTech
Major specification Hitachi HighTech

Mirror polishing 3 4 CrossSection milling in IM4000 5 Observation and analysis via Oblique irradiation of Ar beam Multilayer IC chip package SD card Sample Resin SEM image of a solder ball interconnect in an electronic device Mask Sample Milling range Flat Milling Grinding flaws and smearing from mechanical polishing can easily

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