rough grinding atm

  • How to Make a Telescopewillbell

    10.5. Rough Grinding Fine Grinding and Smoothing 10.6. Optical Testing of the Window 10.7. Polishing and Retouching 10.8. Quantitative Testing and Data Reduction 11. The Eyepiece 11.1. Role of the Eyepiece and its Selection 11.2. Principal Types of Eyepieces 11.3. The Barlow Lens 11.4. Standard Series of Plössl Eyepieces 12. The Equatorial

    Chat Online
  • Mirror-Making WorkshopTexas Star Party

    Our Amateur-Telescope-Making (ATM) team will help you by supplying their expert guidance mirror-making stands and testing equipment. Located inside the Lodge building you ll have a protected environment to grind polish and test your mirror. See photos from the 2017 and 2016 Mirror-Making Workshops (sorry no photos for 2018)

    Chat Online
  • Rough Grinding Leaves Smooth Edgean Astronomy Net ATM

    Re Rough grinding leaves smooth edgebobmaySeptember 6 199905 06 UTC. Re Rough grinding leaves smooth edgeJohn Suback on June 13 1999) that seemJune 13 199900 00 UTC. Re Rough grinding leaves smooth edgebobmaySeptember 6 199918 03 UTC

    Chat Online
  • Build your own telescope part 1 The mirrorThomas

    Starting from a rough glass blank you can obtain an almost perfect parabola with surface errors in the range of 20 to 60 nm. And this only by pushing a piece of glass by hand. Let s break down the process into 5 steps. Rough grinding. This step is about making one side of the glass concave. It will give your mirror its overall focal ratio.

    Chat Online
  • Joy of Mirror Making Rough Grinding

    Grinding Stands. I use an old printer stand. 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 Hydrostone gypsum cement Casting

    Chat Online
  • Mirror-Making WorkshopTexas Star Party

    Our Amateur-Telescope-Making (ATM) team will help you by supplying their expert guidance mirror-making stands and testing equipment. Located inside the Lodge building you ll have a protected environment to grind polish and test your mirror. See photos from the 2017 and 2016 Mirror-Making Workshops (sorry no photos for 2018)

    Chat Online
  • Making a Telescope MirrorRough GrindingYouTube

    Apr 27 2020 · I ve decided to grind a mirror again for the first time in 3 years and document my progress as I go. It s going to be a 6" f/2.8 for a super wide field field with my 21mm Ethos and coma corrector

    Chat Online
  • Mirror-o-Matic mirror making machineATM pages of

    Mirror-O-Matic grinding machine. (MirroroMatic) that he developed and generously offers to the ATM community. The M-o-M 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

    Chat Online
  • Making A Tile ToolThe ATMs Workshop

    Dec 15 2000 · Such is the case with my 17.5" project I have been working. After the bulk of the glass has been (often rather crudely) removed a new tool is then used for the remainder of rough and fine grinding. The real grinding work is always done with tile or

    Chat Online
  • tut44 Making A Mirror Grinding ToolAsterism

    During the grinding process only the depth of the concave surface is measured. Good grinding technique will produce a spherical shape therefore the only important property needing measurement is the depth of the concave surface at the center of the mirror. The easiest way to do this is by placing a stiff

    Chat Online
  • Amatör Teleskop Yapımı (ATM-Amateur Telescope MakiYouTube

    Sep 02 2012 · Amatör Teleskop Yapımı (ATM-Amateur Telescope Maki Mert KOÇER. Loading Unsubscribe from Mert KOÇER Rough Grinding II TELESKOPHANEDuration 7 05.

    Chat Online
  • Newport Glass Works LTD. Grinding Polishing and Figuring

    Find something that can act as a gauge is a drill bit). Check the progress of rough grinding by slipping the gauge under a straightedge placed across your mirror. Rough grinding usually produces a grossly hyperbolic curve. Toward the end of rough grinding start using shorter strokes to produce a smoother more spherical curve.

    Chat Online
  • Metallographic Grinder/Polisher Machines — Mager Scientific

    The ATM Stone Grinder is a water cooled high speed machine for quickly plane grinding samples in a specimen holder. The coarse grit grinding stone turns at 1700 rpm to plane grind a typical batch of samples in less than 30 seconds. Both mounted and unmounted specimens

    Chat Online
  • Stellafane ATM Grits Polish Pitch

    Introduction

    Chat Online
  • jeffbaldwin

    Our next ATM session will be Saturday January 25 th from 10AM until 2PM. We meet at Baldwin s Shop at 684 Pioneer Avenue in Lathrop CA. My phone is (209) . Please enjoy the individual links. This site is a work in progress so check back once in a while to see if things have changed.

    Chat Online
  • Rough Grinding Itemsbedandbreakfastlepapere

    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 You have selected a mirror diameter and focal ratio and have use these to calculate a target sagitta.

    Chat Online
  • Joy of Mirror Making Rough Grinding

    Grinding Stands. I use an old printer stand. 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 Hydrostone gypsum cement Casting

    Chat Online
  • Homemade Porn For My Wife on Vimeo

    Alone at home filming myself doing all the stuff that gets my wife all hot and bothered.

    Chat Online
  • Ed Grinds a Mirrorscopereviews

    -Ed 5/29/00) Chapter One Rough Grinding May 28 2000 I arrived on a cool Sunday afternoon in May and started grinding with five other club members in a local barn. Right away there was pressure on me I had missed the first two-hour grinding session and everyone was well ahead of

    Chat Online
  • Metallographic Polishing and GrindingKemet

    Rough grinding produces a flat plane surface and removes harmful effects resulting from cutting-off operations. It is advisable during the rough grinding operation to bevel the sharp edges of the specimen or specimen mount to prevent tearing of grinding papers and polishing cloths during subsequent operations. Excessive pressure during rough

    Chat Online
  • jeffbaldwin

    Our next ATM session will be Saturday January 25 th from 10AM until 2PM. We meet at Baldwin s Shop at 684 Pioneer Avenue in Lathrop CA. My phone is (209) . Please enjoy the individual links. This site is a work in progress so check back once in a while to see if things have changed.

    Chat Online
  • The Video Clip My Wife Doesn t Want You To See on Vimeo

    My wife will be so mad at me if she found out that I put this video on the Internet. Watch it before I have to take it down.

    Chat Online
  • Stellafane ATM Rough Grinding

    For rough grinding a 6" mirror about 1/2 teaspoon of grit is used per wet. With finer grits proportionately less grit is used per wet. Grits in the25 micron range are often premixed with water to form a slurry and water and grit are squirted onto the work together from a plastic squeeze bottle (not a

    Chat Online
  • Mirror Grinding Page1olburgenrha

    Mirror grinding machine-runoutATM Optics and DIY Forum 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.

    Chat Online
  • Optical Testing of Parabolic Mirrors 9 Steps (with

    During the rough grinding process you are simply trying to hog out the glass to get the rough figure close to the desired focal point. Here we can use the spit test which uses the foucault tester to simply measure the focal point of the majority of the mirror and then you spit on the ground i.e. you mark the focal point very roughly to

    Chat Online
  • Making A Tile ToolThe ATMs Workshop

    Dec 15 2000 · Such is the case with my 17.5" project I have been working. After the bulk of the glass has been (often rather crudely) removed a new tool is then used for the remainder of rough and fine grinding. The real grinding work is always done with tile or

    Chat Online
  • Mirror grinding kitskidswhocode

    Joy of Mirror Making Rough Grinding . The center will deepen during the first stage of fine grinding as contact is achieved across the mirror face and fine grinding tool. On larger mirrors the ring tool may leave the zones part way to the edge a little underground. For these mirrors as you near the depth you can alter the strokes to be off

    Chat Online
  • jeffbaldwin

    Our next ATM session will be Saturday January 25 th from 10AM until 2PM. We meet at Baldwin s Shop at 684 Pioneer Avenue in Lathrop CA. My phone is (209) . Please enjoy the individual links. This site is a work in progress so check back once in a while to see if things have changed.

    Chat Online
  • Making a 6 inch telescope part 2 hogging out the curve

    Apr 06 2013 · In part 2 of making a 6 inch telescope we focus on the hogging out or the rough grinding of the mirror blank. This is the first part of my ATM series i will upload more as i complete steps of

    Chat Online
  • Mirror Plate Grinding Machineolburgenrha

    mirror grinding machine plans in nigeria. Mirror grinding. 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" mirrorIt is cheaper it is softer and grinds faster needing less abrasives and with these small sizes the low

    Chat Online
  • How to Make a Telescopewillbell

    10.5. Rough Grinding Fine Grinding and Smoothing 10.6. Optical Testing of the Window 10.7. Polishing and Retouching 10.8. Quantitative Testing and Data Reduction 11. The Eyepiece 11.1. Role of the Eyepiece and its Selection 11.2. Principal Types of Eyepieces 11.3. The Barlow Lens 11.4. Standard Series of Plössl Eyepieces 12. The Equatorial

    Chat Online
  • Rough Grinding Itemsbedandbreakfastlepapere

    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 You have selected a mirror diameter and focal ratio and have use these to calculate a target sagitta.

    Chat Online
  • mirror grinding machine designglasinloodentiffany

    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 ..

    Chat Online
  • Making A Tile ToolThe ATMs Workshop

    Dec 15 2000 · Such is the case with my 17.5" project I have been working. After the bulk of the glass has been (often rather crudely) removed a new tool is then used for the remainder of rough and fine grinding. The real grinding work is always done with tile or

    Chat Online
  • stellafane atm fine grindingCatechistenopleiding

    Stellafane ATM Main Page. Fine grinding After the mirror has been rough ground to the proper sagitta fine grinding can begin. Fine grinding on Mirror-o-Matic can

    Chat Online

Copyright © 2020. GBM All rights reserved. Sitemap