• Stellafane ATM: Rough Grinding

    This page describes the rough grinding process. Before You Start. Use this checklist to make sure you are ready to start rough grinding: .. On to Fine Grinding.

  • Stellafane ATM: Guide to Strokes

    Chordal, Rough Grinding, "Hogging Out" (Initial generation of curve). Normal or 1/3 Center-Over-Center, Rough, Fine, Polishing, Generating a Sphere. W Stroke.

  • What are the best sources for mirror blanks? - ATM, Optics and DIY .

    Jun 15, 2016 . Ever since I found Stellafane's mirror making page, I've been itching to . you should be fine. especially hand grinding. just use something like a.

  • Stellafane ATM: Mirror Making Overview

    Mirror Grinding at the Spring 1998 Stellafane Mirror Workshop in the McGregor . The purpose of fine grinding is to smooth the surface generated by rough.

  • amateur telescope making - Handprint

    Feb 27, 2014 . Russell Porter founded one of the earliest ATM societies and went on to help . Christened "shrine to the stars", Stellafane remains a hub of amateur . grinding materials, and the basic parts necessary to make telescope focusing .. a lifetime of curiosity in Johnny by making him the gift of a fine telescope.

  • A Modified near-draper, near- MOM telescope grinding machine .

    Mar 22, 2008 . Bill W, Ian K, David G, and I (Guy B) modified an existing quasi-Mirror-O-Matic machine by changing pulley ratios and changing it into sort of a.

  • December | 2014 | Guy's Math & Astro Blog

    Dec 16, 2014 . Briefly, this is what we do: essential atm steps aluminizer ... Grinding (intermediate and fine): Once you have reached your goal for the sagitta, .. watching demonstrations at Stellafane, his own participation in two Delmarva.

  • Stellafane ATM: Guide to Strokes

    Chordal, Rough Grinding, "Hogging Out" (Initial generation of curve). Normal or 1/3 Center-Over-Center, Rough, Fine, Polishing, Generating a Sphere. W Stroke.

  • Joy of Mirror Making: Introduction - Mel Bartels

    Introduction to grinding polishing and parabolizing a telescope mirror. . milestones in reverse for completing a mirror are: parabolizing, polishing, fine grinding, .. pages stellafane/stellafane-main/tm/atm/ (comprehensive collection of.

  • Amateur telescope making - Wikiwand

    Amateur telescope makers (sometimes called ATMs) build their instruments for . A 6" (15cm) Newtonian reflector built by a school student on display at Stellafane . Grinding a mirror using an abrasive and a smaller tool over 300 mm mirror . a grating comprising several fine parallel wires or an etching on a glass plate.

  • Amateur telescope making - Wikiwand

    Amateur telescope makers (sometimes called ATMs) build their instruments for . A 6" (15cm) Newtonian reflector built by a school student on display at Stellafane . Grinding a mirror using an abrasive and a smaller tool over 300 mm mirror . a grating comprising several fine parallel wires or an etching on a glass plate.

  • Asindirma Hareketleri - :ATM Türk: Amatör Teleskop Yapımı

    14 Oca 2008 . . türlerini, kaba aşındırma (hogging), ince aşındırma (fine grinding) ve . video : stellafane/atm/atm_mirror_ref/images/chordal.wmv

  • Stellafane ATM: Materials & Tools

    You will need two tools: A hard tool for rough and fine grinding, and a soft tool, or pitch lap, for polishing and figuring.

  • stellafane atm fine grinding,

    Amateur telescope making - Wikipedia

    A 22" Newtonian reflector sits in front of the clubhouse at Stellafane, home of the Springfield Telescope Makers. Amateur telescope making is the activity of building telescopes as a hobby, as opposed to being a paid professional. Amateur telescope makers (sometimes called ATMs) build their instruments .. Once the mirror surface has the correct shape a very thin coating of a highly.

  • Stellafane 2008. - University of Michigan

    Some people refer to it as the "secrets of the ATM's. . We start our tour of Stellafane in the Pavilion. . lecture on fine grinding and polishing techniques.

  • Making A Mirror Grinding Tool - Amateur Astronomers, Inc.

    Most amateur telescope makers (ATMs) build a Newtonian telescope, a design named for its . small mirrors, plate glass will work fine too. Telescope mirrors are .. Before you start grinding, you should visit the Stellafane mirror making site.

  • Joy of Mirror Making: Introduction - Mel Bartels

    Introduction to grinding polishing and parabolizing a telescope mirror. . milestones in reverse for completing a mirror are: parabolizing, polishing, fine grinding, .. pages stellafane/stellafane-main/tm/atm/ (comprehensive collection of.

  • stellafane atm fine grinding,

    Jumping into Mirror Making, by Michael Mills

    I have been preparing to grind my own primary mirror for a long time. I've collected many fine books on telescope making and mirror grinding, including Richard.

  • PRECISION POLISHING DYNAMICS: THE INFLUENCE OF . - Uncg

    In polishing the workpiece is rubbed against the tool while abrasive slurry is supplied in between .. The ultimate performance of fine polishing processes can be determined by their .. 73. sstellafane/tm/atm/polish/pour-lap. 74.

  • stellafane atm fine grinding,

    SBAU Telescope Workshop Notes: February 2014

    Feb 20, 2014 . santa barbara telescope workshop mirror making, ATM, astrophotography, . you cannot really see the pits on the surface at this point, just put 3hrs in at each fine grit. . Also carrying on grinding the donated 8" mirror with 500 grit, while talking . Dmitrii's Astroscopy Diary · Stellafane ATM · cloudynights.

  • Stellafane ATM: Polishing

    Use this checklist to make sure you are ready to start fine grinding: .. A very common defect, that is universally disliked by ATM's, is Turned Down Edge (TDE),.

  • Is the position and alignment of an array of mirrors inside a .

    Mar 4, 2017 . What is wrong with 'just' grinding your own mirror blanks? . Stellafane ATM Main Page · Telescope making · Grinding and Testing a Telescope Mirror . If you want to get the experience of building you own that fine and.

  • Herb's Glass & an 8-inch mirror

    said Gordon. And that ended my fine grinding of this mirror - we'll put pads on next ATM session. ... Here's a link to it on Stellafane's ATM Web page. Chapters 7.

  • From Ring Tool to Tile Tool | Telescope Building

    Apr 7, 2015 . The result is a grinding tool of the same diameter as the mirror: the tiled side has the same curve as the mirror, and the topside is more or less.

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