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how to grind a telescope mirror with an electric grinder

Design plans for a Power Grinder for Telescope Mirrors The machine automatically carries out the motions for grinding and polishing a 6 Telescope Mirror hand grinding These are not detailed HowTo Plans they do however cover all the details needed for designing your own custom machine

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Fixed post mirror grinder advice  DIY Astronomer
Fixed post mirror grinder advice DIY Astronomer

Nov 01 2011 · Glasspusher Here the mirror is rotating at a slower speed as with a ‘conventional’ machine The tool or lap is moved across the mirror using the arm which has a pin to engage the back of the tool or lap With this type of arrangement a fixed speed for the table is

Mirror Grinding Machine
Mirror Grinding Machine

My Mirror Grinding Machine For a long time Ive wanted to build a machine for grinding telescope mirrors Dennis Rechs MoM designs finally inspired me to just get up and do it Over the years Id been collecting motors gear boxes pulleys etc

How I built an edge grinder for telescope mirror blanks
How I built an edge grinder for telescope mirror blanks

A course diamond grinding drum is installed on the grinder It will be used to take off the rough edges and make blanks truly round Then a switch to a finer grinding drum will clean up the edge

Mirror Grinding Machine  ATM Optics and DIY Forum
Mirror Grinding Machine ATM Optics and DIY Forum

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

mirror grinder page
mirror grinder page

The reducer frame attached to the table top and ready to turn over and bolt up to the table frame Here are the clamps to possition the tool or mirror on the platter and the swivel mount to attach the mirror to the overarm The grinder nearing completion with all the parts inplace but not hooked up yet

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

Going on to 220 To finegrind the bevel obtain a small piece of sheet metal or brass 2 to 3 square Tape the sheet to a block of wood the same size leaving the face of the sheet to a block of wood the same size leaving the face of the sheet exposed Start grinding the bevel with 220 grit rounding if off

Hand Grinding a Telescope Mirror  Make
Hand Grinding a Telescope Mirror Make

May 30 2014 · Hand Grinding a Telescope Mirror This is how you make a telescope 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 Telescope Makers Workshop ‘s classes on Friday nights in Oakland

Diy mirror grinding aspherical  telescopes
Diy mirror grinding aspherical telescopes

Amateur telescopes however are MUCH smaller than 82 meters and thus its quite possible for an amateur to grind a 24 36 or even a 48 inch mirror no need to combine multiple mirrors On top of the impracticality of building an amateur scope out of multiple mirrors theres the issue of positioning all the mirror segments

how to grind a telescope mirror with an electric grinder
how to grind a telescope mirror with an electric grinder

»how to grind a telescope mirror with an electric grinder »pocket size snuff powder grinder »hydration process in portland cement »portland cement suppliers in the philippines »cement content required for 1 cubic meter concrete Project Case Mining Production Line Construction

Fixed post mirror grinder advice  DIY Astronomer
Fixed post mirror grinder advice DIY Astronomer

Nov 01 2011 · Glasspusher Here the mirror is rotating at a slower speed as with a ‘conventional’ machine The tool or lap is moved across the mirror using the arm which has a pin to engage the back of the tool or lap With this type of arrangement a fixed speed for the table is

Build your own telescope part 1 The mirror – Thomas
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 eg FD 4 well suited for deep sky observations On the opposite a shallow mirror eg FD 8 will be performing very well on planets and the moon

How to Make Your Own Telescope Mirror
How to Make Your Own Telescope Mirror

While fine grinding make sure you dont move to the next grit until your sure youve gotten all the pits of the previous rougher grit removed After your finished with fine grinding the mirror you will need to make yet another tool This tool is called a pitch lap

Wanting To Grind A 20 Mirror Where Do I Start  ATM
Wanting To Grind A 20 Mirror Where Do I Start ATM

Sep 09 2013 · Wanting To Grind A 20 Mirror Where Do I Start posted in ATM Optics and DIY Forum Im a complete newbie on this other than my huge enthusiasm for wanting to look up at the night sky through a telescope I want to build a Dobsonian using a 18 mirror Is this a tough undertaking and dangerous for a new person Should I be really experienced before trying this

mirror grinder page
mirror grinder page

The reducer frame attached to the table top and ready to turn over and bolt up to the table frame Here are the clamps to possition the tool or mirror on the platter and the swivel mount to attach the mirror to the overarm The grinder nearing completion with all the parts inplace but not hooked up yet

Amateur Telescope Making Main Page  Stellafane
Amateur Telescope Making Main Page Stellafane

This page has formulas for many telescope and mirror parameters It will calculate parameters for two different telescope designs and compare the results for you It provides data to help in selecting a telescope and also provides information necessary for mirror making and testing

How to Grind Saffron  Know About Life
How to Grind Saffron Know About Life

Place the pestle in the mortar and press down on the saffron Turn the pestle in a circular grinding motion around the mortar 3 Check the saffron to see whether it is fully ground If necessary use the pestle to apply additional pressure and grind any whole strands Tips and warnings Check your saffron for foreign materials before grinding

AstroTel  Mirror grinding machine
AstroTel 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 Fig3 Page 163 Amateur Telescope Making Book 1 A bowl which rotated was fitted to the spindle

Stellafane ATMMirror Making Myths
Stellafane ATMMirror Making Myths

Mirror Making Myths Mirrors can only be made with Special Precision Equipment in Expensive Factories or Labs Not True Telescope 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

24 F6 thin telescope mirror grinding 34 plate  ATM
24 F6 thin telescope mirror grinding 34 plate ATM

Nov 06 2013 · Page 1 of 2 24 F6 thin telescope mirror grinding 34 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 85 92 and 147 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

Rough Grinding of a Telescope Mirror  Guys Math  Astro
Rough Grinding of a Telescope Mirror Guys Math Astro

Rough Grinding of a Telescope Mirror 15 Monday Dec 2014 Posted by gfbrandenburg in History Telescope Making We use both hands to make the mirror travel in a circular path in either direction for about 6 turns grinding the center of the mirror mostly against the edge of

how to grind a telescope mirror with an electric grinder
how to grind a telescope mirror with an electric grinder

»how to grind a telescope mirror with an electric grinder »pocket size snuff powder grinder »hydration process in portland cement »portland cement suppliers in the philippines »cement content required for 1 cubic meter concrete Project Case Mining Production Line Construction

How to Grind Saffron  Know About Life
How to Grind Saffron Know About Life

Place the pestle in the mortar and press down on the saffron Turn the pestle in a circular grinding motion around the mortar 3 Check the saffron to see whether it is fully ground If necessary use the pestle to apply additional pressure and grind any whole strands Tips and warnings Check your saffron for foreign materials before grinding

How to Smooth and grind glass using a bit and disk grinder
How to Smooth and grind glass using a bit and disk grinder

Apr 25 2008 · Check out this video to learn how to use the Diamond Tech Power Max bit and disk grinder to smooth and grind glass for use in mosiacs and tiffany lamps WonderHowTo Glass Crafts Make a DIY front surface mirror cheap small circular

The 875 f67 Mirror Grind  DIY Astronomer  Stargazers
The 875 f67 Mirror Grind DIY Astronomer Stargazers

Feb 04 2017 · With this thread Ill be outlining my journey as I attempt to grind polish figure and test an 875 f67 telescope mirror I chose this size mirror hopefully as an upgrade to my 6 f8 yet not so big as to be over challenging for a first time mirror grind Yep this is the first time Ive attem

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

Stellafane ATM Materials  Tools
Stellafane ATM Materials Tools

This is the focus of all your work you will turn this flat piece of glass into an accurate parabolic telescope mirror We recommend a full thickness Pyrex blank for mirrors up to to 12 in size Fullthickness means the diameter to thickness ratio is 61 ie an 8 full thickness mirror is 13 thick

buy mirror grinding machine
buy mirror grinding machine

Automatic Surface Grinder Surface Polishing Belt Grinding Machine Find Complete Details about Automatic Surface Grinder Surface Polishing Belt Grinding MachineGrinding MachineBelt Grinding MachineAutomatic Surface Grinder from Supplier or ManufacturerShanghai Peixu Machinery Equipment Co Ltd Get Price mirror grinding machines

Telescope Mirror Blanks
Telescope Mirror Blanks

Please see the Buy Telescope Mirror Blanks page for low prices on plate glass mirror blanks If youd like to buy a complete mirror grinding KIT with all abrasives and grinding tool included please see the Buy Telescope Mirror Kits website for the lowest prices on plate glass telescope mirror grinding kits

MirroroMatic mirror making machine  ATM pages of
MirroroMatic mirror making machine ATM pages of

The MoM is a marvellous machine due to its simplicity and yet refined design It is extremely flexible accommodating mirror sizes from 4 inch up to 20 inch with slight modifications and can be used for all three steps necessary in producing a mirror That is you can use it to grind polish and figure your optics

Joy of Mirror Making Rough Grinding  BBAstroDesigns
Joy of Mirror Making Rough Grinding BBAstroDesigns

Rough grinding a telescope mirror The Joy of Mirror Making Mel Bartels Motorized grinding wheel on the end of along boom that is anchored that is moved back and forth across the mirror face Diamond wheel grinder rubbed against the mirror face The first approach is almost universally used I recommend the ring tool method as it rough

Diy mirror grinding aspherical  telescopes
Diy mirror grinding aspherical telescopes

Amateur telescopes however are MUCH smaller than 82 meters and thus its quite possible for an amateur to grind a 24 36 or even a 48 inch mirror no need to combine multiple mirrors On top of the impracticality of building an amateur scope out of multiple mirrors theres the issue of positioning all the mirror segments

Telescope Mirror Grinding Machine  Products  Suppliers
Telescope Mirror Grinding Machine Products Suppliers

Grinders and grinding machines use an abrasive that is bonded to a wheel belt or disc to remove material and improve surface finish Devices can be pneumatically driven or powered by a combustion engine or electric motor Grinders

Large Homemade Telescope Making Project
Large Homemade Telescope Making Project

3 A homemade telescope 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

how to grind a telescope mirror with an electric grinder
how to grind a telescope mirror with an electric grinder

The Machines Documentation Information for ATMs Contact Dennis

Fabricating  Metalworking
Fabricating Metalworking

8 GRINDING INSIDE CORNERS ON STAINLESS To finish the inside corners of a stainless steel component begin by smoothing the weld with an electric angle grinder with an 80 grain mini flap wheel Then fine surface grind using an electric angle grinder and soft disc – between an A160 grain and A16 grain – with a Trizact grinding wheel

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