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telescope mirror grinding machine costarica

Before you start grinding you should have decided on your mirrors desired focal length The two most common beginners mirrors the 6 f8 and 8 f6 both have 48 focal lengths Use this formula to calculate your target sagitta Sagitta s MirrorRadius 2 4 × FocalLength r 2 4F
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    Grinding Machine for Large Telescope Mirrors I designed and built a grinding machine for mirrors up to 42 inches 11m in diameter By slipping on and off a couple of belts the machine can quickly be reconfigured for spinning work or for stroking work

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    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 Most of them came from industrial junk yards

  • tut44 Making A Mirror Grinding Tool

    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 astronomers have been building their own telescopes

  • 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

  • Telescope Mirror Kits Firsthand Discovery

    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 They are great

  • 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

  • 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

  • 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 question will 1 12 shaft size pillow block bearings work good for a homemade EQ mount Thank you John

  • 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 11m in diameter By slipping on and off a couple of belts the machine can quickly be reconfigured for spinning work or for stroking work

  • tut44 Making A Mirror Grinding Tool

    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 astronomers have been building their own telescopes

  • Amateur Telescope Making Main Page Stellafane

    Amateur Telescope Making Main Page Russell Porter Much is also unchanged mirror grinding techniques are very similar to those written up by Porter and Ingalls in the 20´s and 30´s Many amateur astronomers still choose to fabricate their own instruments for the pride of accomplishment the gaining of knowledge and the insurance of

  • MirroroMatic mirror making machine ATM pages of

    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

  • Telescope Mirror Kits Firsthand Discovery

    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 They are great for beginning and expert amateur telescope makers

  • 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 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

  • Joy of Mirror Making Rough Grinding BBAstroDesigns

    Rough Grinding The first milestone is putting a curve into the mirror face The curves depth dictates the mirrors focal length The curve should be spherical Creating the curve can be done by several methods The curve is ground into the mirror face using a grinding tool The curve is pregenerated for you

  • 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

  • Making a homemade mirror grinding machine ATM

    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 12 shaft size pillow block bearings work good for a homemade EQ mount Thank you John

  • TELESCOPE MIRROR ALUMINISING Telescopes

    Telescopes Astronomy Telescope Mirrors Blanks Tools Aluminising Testing and Materials for Mirror Making Please email or call for information pricing confirmations and shipping prices TELESCOPE CONSTRUCTION WEB SITE OTHER PRICE LISTS UPDATED 7th June 2014 TELESCOPE GLOSSARY BBC Sky at Night How to Make a Mirror

  • 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 34 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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    We supply grinding mills for primary ore processing plants through to secondary and tertiary ore processing facilities We buy sell and consign grinding mills of all leading suppliers including Metso CITIC Polysius ABB Ltd Polysius Koppern and Mining Businesses For Sale BizBuySell

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    GPS Modulo Engineered for edge deburring satin finish and surface finishing on square and rectangular tubing our wet operated flat grinding machine type GPSModulo also enables to process metal sheets and plates made of stainless steel iron aluminum brass as well as other metals

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