mirror grinding research

  • ELID grinding of SiC ultra lightweight mirror

    In this research we present the results which fabricated mirrors of sintered SiC by the ELID grinding method the numerical calculation results of the profile deformations analyzed by FEM and new jig for Φ360mm a mirror.

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  • Mirror grinding safetyATM Optics and DIY Forum

    Feb 14 2012 · Mirror grinding safetyposted in ATM Optics and DIY Forum When grinding mirrors ATMs use grit sizes as small as 9 5 3 or sometimes even 1 micron. I am not yet at such small sizes and do not yet have to mix grit and water in a bottle to pour drops of it onto the mirror. I wear a dust mask to be sure not to breathe in any grinding dust as I have read in a book that someone had to see a

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  • A Study of the Mirror-Like Grinding of Sintered Carbide

    When applying an optimum in-process 6. H. Ohmori "Elid mirror surface grinding technology with electro- lytic in-process dressing" Elid Grinding Research Group Sym- electrolytic system the worn grains are removed and the posium pp. 8–31 1991. surface is ground stably by new grains. 7.

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  • Telescope MirrorsOrion Optics

    These mirrors are exceptional in performance and can be relied upon 100 to give virtually flawless images. Supplied with full Zygo interferometer report. Research We measure regularly in their manufacturing process and Zygo interferometer tests confirm our Research Grade optics are some of the finest optics available anywhere at any price

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  • Mirror grinding machineThe Home Shop Machinist

    Hand grinding takes care of this automatically. For the smaller sizes of mirrors you will also want to be able to exchange the mirror and tool positions from time to time as the grinding progresses. You should research the back issues of the astronomy magazines (Astronomy Sky and Telescope etc.) as well as the books on the subject in the library.

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  • New Mirror Grinding Super-finishing Wheel "Mr. Neo Lapper

    The Mr. Neo Lapper wheel has an extremely uniform construction that is ideal for mirror finishing and enables consistent polishing without any deposition. In addition to applying the unique manufacturing method used for the standard Mr. Lapper wheel the range of

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  • World Wide Mirror Class List

    hold mirror making workshops at their clubhouse in Westford MA on Thursday evenings. U.S. Mid-Atlantic. DC NCA Telescope Making and Mirror Grinding Classes Twice Weekly on Tuesday Friday 6 30-9 30 PM in Washington DC at the Chevy Chase Community Center. Contact (202) . DE Mid-Atlantic Mirror Making Seminars

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  • Making a tin mirror. Grinding without tool.Page 2ATM

    Jan 01 2012 · You can buy them at metallurgical stores. The discs can be 4 inches in diameter and 3/4 in thickness. One of the discs will be the tool and the other will be the mirror. For the mirror choose the disk that has the parallel faces. The initial grinding can be done with the same technique used for glass (unlike aluminum that is soft.).

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  • Home Richard F. Caris Mirror Lab

    The Richard F. Caris Mirror Lab. At the University of Arizona s Richard F. Caris Mirror Laboratory our scientists engineers and technicians have developed innovations in constructing large lightweight mirrors with unprecedented surface accuracy.

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  • mirror grinding research

    mirror grinding research Get Price And Support. Leonardo Da Vinci s mirror making machines. ÝÝÝÝÝÝÝÝÝÝÝ In his Codice Atlantico Leonardo offers two of sketches of mirror making machines.Ý One machine is designed for grinding concave mirrors of small focal length.Ý The other machine a much larger piece to implement grinds mirrors

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  • Making a tin mirror. Grinding without tool.Page 2ATM

    Jan 01 2012 · You can buy them at metallurgical stores. The discs can be 4 inches in diameter and 3/4 in thickness. One of the discs will be the tool and the other will be the mirror. For the mirror choose the disk that has the parallel faces. The initial grinding can be done with the same technique used for glass (unlike aluminum that is soft.).

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  • GordonWaiteYouTube

    Making Premium Telescope Mirrors and Innovative Telescopes for Astronomers -- Grinding Polishing and Testing State-of-the-art Optics for Telescopes.

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  • Metallographic grinding and polishing insight Struers

    Fine grinding produces a surface with little deformation that can easily be removed during polishing. Because of the drawbacks with grinding papers alternative fine grinding composite surfaces are available in order to improve and facilitate fine grinding A high material removal rate is obtained by using grain sizes of 15 9.0 and 6.0 µm.

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  • Waite Research 24" F3.5 Mirror Fabrication

    Grinding a big fast 24" F3.5 mirror This project began with the arrival of a 24" Supremax-33 mirror blank on my doorstep. As is usually the case this blank was annealed and machined by Newport Glass Works in California and it arrived without a hiccup.

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  • telescopes mirror grinding equipment stonemill essentials aldi

    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

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  • mirror grinder page

    Mirror grinding machine construction log been doing a lot of research trying to determine the best course of action in parabolizing the mirror. Presently stuck between a subdiameter lap and a star lap maybe I will try both. I also want to build a tester for myself that will allow

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  • Joy of Mirror Making Rough GrindingBBAstroDesigns

    31 rows · Rough Grinding The first milestone is putting a curve into the mirror face. The curve s

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  • 19 How to Dress Diamond CBN Metal Bonded Grinding Wheels

    Jul 05 2019 · In 1990 OHMORI of the Institute of Physical and Chemical Research of Japan successfully solved the problem of dressing cast iron-based grinding wheel with ELID and made the ultra-fine diamond wheel( grain size of several micrometers to 5nm) for hard and brittle materials mirror grinding by ELID.

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  • ELID grinding of SiC ultra lightweight mirror

    In this research we present the results which fabricated mirrors of sintered SiC by the ELID grinding method the numerical calculation results of the profile deformations analyzed by FEM and new jig for Φ360mm a mirror.

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  • Depth of Cut in GrindingResearch and Guidelines

    May 07 2020 · with a grinding wheels WA46K8V. The research is using cylindrical grinding processes at low-speed workpiece 100 rpm depth of cut 0.5 mm in dry condition. Optimisation of grinding parameters for wheel loading and ieeexplore.ieee › document

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  • mirror grinding reviewselplaninicial.cl

    Waite Research is building Renegade telescopes with premium primary mirrors 10" and up. Inquire Now mirror grinding machine plans bandsealer. overview exhibit profile key accounts last year s review floor plan conference mirror grinding machine posted in diy astronomer i began work on the mirror o Inquire Now

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  • MIRROR MIRROR ON THE MOUNTAIN Rubin Observatory

    The M1M3 was fabricated over a period of approximately seven years at the Richard F. Caris Mirror Lab at the University of Arizona. The "High Fire" event in which the glass was cast took place in March 2008 and the mirror was completed in April 2015 after years of grinding and polishing brought the surfaces to the required specifications.

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  • i20 QuestionsLeft side mirror problemCarGurus

    Friends you all encountered the same type of problem the side mirror got some grinding noise this happens because the internal gear got damaged and motor got directed and giving continuous sound. As the itself manufactured the gears like that.i know this because i got the same problem and i repaired it myself and saved around 5500 rupees.

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  • Ritchey Mirror Grinding Machine Motor National Air and

    The original grinding machine was used under the sponsorship of Hale to grind a 60-inch mirror initially intended for the Yerkes Observatory. The grinding machine was moved to Pasadena in 1904 to complete work on the mirror at some point it was transferred to the California Institute of Technology.

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  • WINTER Diamond and cBN Tools for the Tools Industry

    6 WINTER abrasives for the tools industry 2014/2015 Inserts Saws WINTER Facts Knives Mould and die Service Glossary Contact Shank tools PCD PCBN Milling cutters Table of contents Quick Reference Grinding Tool Guide

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  • Mirror-o-Matic mirror making machineATM 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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  • Mirror grinding safetyATM Optics and DIY Forum

    Feb 14 2012 · Mirror grinding safetyposted in ATM Optics and DIY Forum When grinding mirrors ATMs use grit sizes as small as 9 5 3 or sometimes even 1 micron. I am not yet at such small sizes and do not yet have to mix grit and water in a bottle to pour drops of it onto the mirror. I wear a dust mask to be sure not to breathe in any grinding dust as I have read in a book that someone had to see a

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  • Development of Large Ultraprecision Mirror Surface

    Ultraprecision mirror surface grinding using ELID which achieved a surface roughness of 0.007 microns in Ra and surface straightness of 0.25 microns for a metal mold steel has been reported 36

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  • Sherwood ObservatoryWikipedia

    Sherwood Observatory is an amateur astronomical observatory in Nottinghamshire England owned and operated by Mansfield and Sutton Astronomical Society.The main dome is 6.5m in diameter and houses a 0.61 m Newtonian Reflecting telescope. There is a club meeting room that hosts society meetings and lectures and also serves as a lecture theatre for the public on open evenings.

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  • Recent developments in grinding of advanced materials

    This article discusses the recent developments in grinding of advanced materials. Eighty-four journal papers published recently are briefly introduced. The topics are advances in grinding of brittle materials grinding of silicon dressing/truing of grinding wheels grinding fluids grinding of mirrors and vibration-assisted grinding measuring/monitoring of grinding optimization of grinding

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  • Amateur telescope makingWikipedia

    Grinding a mirror using an abrasive and a smaller tool over 300 mm mirror ("ATM Korenica 2006" in Korenica Croatia) Since the Newtonian reflector is the most common telescope built by amateur telescope makers large sections of the literature on the subject are devoted to fabrication of the primary mirror .

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  • A high quality surface finish grinding process to produce

    A high quality surface finish grinding process to produce total reflection mirror for x-ray fluorescence analysis Hitoshi Ohmori1 Shinjiro Umezu1 2 Yunji Kim1 Yoshihiro Uehara1 Hiroshi Kasuga1 Teruko Kato1 Nobuhide Itoh1 3 Syuhei Kurokawa4 Takayuki Kusumi5 Yugo Sugawara6 and Shinsuke Kunimura6 1Materials Fabrication Laboratory RIKEN Saitama Japan

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  • Mirror Grinding Machine Products Suppliers

    Although it is quite unknown how he could polish the bronze pri- mary mirrors without knowledge of Western modern optics and a mirrorgrinding machine Foucault s method of mirror testing has revealed that at least a few of Kunitomo s telescopes possess parabolic

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  • Telescope MirrorsOrion Optics

    These mirrors are exceptional in performance and can be relied upon 100 to give virtually flawless images. Supplied with full Zygo interferometer report. Research We measure regularly in their manufacturing process and Zygo interferometer tests confirm our Research Grade optics are some of the finest optics available anywhere at any price

    Chat Online
  • A high quality surface finish grinding process to produce

    A high quality surface finish grinding process to produce total reflection mirror for x-ray fluorescence analysis Hitoshi Ohmori1 Shinjiro Umezu1 2 Yunji Kim1 Yoshihiro Uehara1 Hiroshi Kasuga1 Teruko Kato1 Nobuhide Itoh1 3 Syuhei Kurokawa4 Takayuki Kusumi5 Yugo Sugawara6 and Shinsuke Kunimura6 1Materials Fabrication Laboratory RIKEN Saitama Japan

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