build a mirror grinding machine

  • 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 Fast Mirror Grinding and PolishingThe ATM s Workshop. Feb 21 2015· Page 1 of 2Mirror grinding machine-runoutposted in ATM Optics and DIY Forum I am in the process of making a fixed post mirror grinding machine big enough for a 20 inch mirror I have now got the motor pulleys two shafts and turntable all together and working The turntable rotates at around 25

  • Atm Mirror Grinding Machineboekhandeldekorf

    Fast Mirror Grinding and PolishingThe ATM s Workshop. Feb 21 2015· Page 1 of 2Mirror grinding machine-runoutposted in ATM Optics and DIY Forum I am in the process of making a fixed post mirror grinding machine big enough for a 20 inch mirror I have now got the motor pulleys two shafts and turntable all together and working The turntable rotates at around 25 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

  • Mirror Grinding Machine Crusher Mills Cone Crusher Jaw

    Building a Waineo type grinding machine. One of the projects that has been on my "someday" list was a rebuild of a lens/mirror grinding machine. I built a Hindle type machine about 12 years ago which would mirror grinding machine design. mirror grinding machine design Mirror Grinding MachineATM 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 ..

  • 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. 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 Hackaday

    Sep 26 2006 · Grinding and polishing your own mirrors is a long arduous process. Instead of lapping the blank by hand Laurie Hall built this mirror grinding machine from scratch. Aug 19 2019 · Re Building a fixed post mirror grinding machine Post by Kanadalainen » Fri Aug 16 2019 5 17 pm Update The 6061 aluminum turntable top was ready this

  • Astro-TelMirror 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. I also built another machine

  • Mike s Telescope Workshopmdpub

    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 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. Grinding a Mirror "For it is true that astronomy from a popular standpoint is handicapped by the inability of the average workman to own an expensive astronomical telescope. It is also true that if an amateur starts out to build a telescope just for fun he will find before his labors are over that he has become seriously interested in the

  • Mirror-o-matic

    The Machines Documentation Information for ATMs Zip archive of Mirror-o-Matic Yahoo Groups () 307 Contact Dennis Mar 06 2006 · Making a homemade mirror grinding machineposted 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

  • Newport Glass Works LTD. Grinding Polishing and Figuring

    This is why you don t want to make mirrors to be worked on machines too thin. For 16" to 18" mirrors 1.62" thick is the thinness I would recommend. There are several ways to support the grinding and polishing machine turntable but first make sure the turntable itself is homemade mirror grinding machinebondhumahal. Mirror grinding machine Hackaday · The true test of the amateur astronomer is building their own telescope. Grinding and polishing your own mirrors is a long arduous process. Instead of lapping the blank by hand Laurie Hall built this mirror grinding machine from scratch.

  • Mirror Grinding Machine

    My Mirror Grinding Machine. For a long time I ve wanted to build a machine for grinding telescope mirrors. Dennis Rech s M-o-M designs finally inspired me to just get up and do it. Over the years I d been collecting motors gear boxes pulleys etc. Most of them came from industrial junk yards. Grinding a Mirror "For it is true that astronomy from a popular standpoint is handicapped by the inability of the average workman to own an expensive astronomical telescope. It is also true that if an amateur starts out to build a telescope just for fun he will find before his labors are over that he has become seriously interested in the

  • Mirror Grinding Machine Plansthefirsttake

    Mirror grinding machine the home shop. I assume you are talking about a telescope mirror i have read a lot and ground one small mirror some years ago but did it all by hand if i remember properly some of the features you want in a grinding machine are the ability to change the strokes leng. Other than these two advantages the Mirror-o-Matic will do nothing that cannot be done by hand walking around the barrel . Although the final results should be similar the mechanics of machine grinding and polishing can be very different from handwork. This machine should be used as

  • Building a fixed post mirror grinding machinePage 2

    Oct 13 2019 · Re Building a fixed post mirror grinding machine Post by Kanadalainen » Mon Aug 19 2019 12 39 pm In this image I have put together a gear reduction stage for my DC motor. Mirror Grinding Machine. My Mirror Grinding Machine. For a long time I ve wanted to build a machine for grinding telescope mirrors. Dennis Rech s M-o-M . Get Price And Support Online CNC Grinding Machine G5 Horizontal Machine

  • Astro-TelMirror 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. I also built another machine Fixed post mirror grinder advice DIY 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 get price

  • Mike s Telescope Workshopmdpub

    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 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. 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.

  • 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 reconfigured for spinning work or for stroking work. The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on 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

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

    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. Rough Grinding a Quartz Telescope Mirror on the Fixed-Post Machine This video shows how to setup a mirror grinding machine for fixed-post grinding also known as spin grinding or spinning. After setup you ll see how abrasiv. The best Telescopes For beginners in the market

  • Telescope Mirror KitsFirsthand 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. The mirror machine came to me as a result of astronomical horse-trading swapping a large GEM mount and a 8" Newtonian OTA for the machine as it was and a start kit consisting of two 6" blanks and the grit rouge and pitch to manufacture a mirror. The grinding machine had been built to the design of the mirror-o-matic design of Dennis Rech

  • mirror grinding machine worldcrushers

    New grinding machine The new grinding machine is being used to re-make the old TRO 30 inch mirror and the three 20 inch mirrors. It will be capable of making a Mirror grinding machine construction logJamesCrombie page1 Newport Glass Works Ltd Grinding Polishing And Figuring. This is why you dont want to make mirrors to be worked on machines too thin For 16 to 18 mirrors 162 thick is the thinness I would recommend There are several ways to support the grinding and polishing machine turntable but first make sure the turntable itself is rigid It

  • Stellafane ATM Materials Tools

    Grits Pitch. Grits and Polishing Compound are the consumables in the mirror making process. Grits typically of Silicon Carbide or Aluminum Oxide in various grades are used as an abrasive between the mirror and tool to grind the glass. Pitch is used to make a soft conforming pitch lap for polishing and figuring. It is used with a Polishing Compound such as Cerium Oxide which George Willis Ritchey built this mirror grinding machine at the Yerkes Observatory in Williams Bay Wisconsin in the late 1890s. Under the sponsorship of George Ellery Hale the machine was used to grind a series of telescope mirrors starting with a 24-inch and then a 60-inch mirror for a telescope initially intended for the Yerkes Observatory.

  • Building a fixed post mirror grinding machine

    Aug 19 2019 · Re Building a fixed post mirror grinding machine Post by Kanadalainen » Fri Aug 16 2019 5 17 pm Update The 6061 aluminum turntable top was ready this This is newly developed grinding edge chamfering machine with independent intellectual property rights which can be exclusively used in grinding 3D shape glass. It is especially suitable for the processing of a frameless rear view mirror. Please make sure that the video is paused before filling in the form.

  • Ritchey Mirror Grinding Machine National Air and Space

    George Willis Ritchey built this mirror grinding machine at the Yerkes Observatory in Williams Bay Wisconsin in the late 1890s. Under the sponsorship of George Ellery Hale the machine was used to grind a series of telescope mirrors starting with a 24-inch and then a 60-inch mirror for a telescope initially intended for the Yerkes Observatory. 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 blankpoorer glass softer glass • Place mirror on top tool • Now add grinding compound (grit) between