mirror grinding case

• Contract Grinding Polishing in Western Pennsylvania (PA

  Contract grinding polishing services. Capabilities include Blanchard rotary grinding from 36 in. to 148 in. dia. for 156 in. diagonal 63 in. high capacity for 20 000 lbs. surface grinding up to 192 in. L x 55 in. W up to 10 000 lbs. bar grinding up to 210 in. L x 24 in. W up to 6 000 lbs. angle way lathe bed shear blade slot radius grinding MIG TIG stick wire feed welding

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• Telescope Mirror Making

  For grinding the back of my 12" mirror I used an 8" disk of 3/4" particle board glued tiles to the front with epoxy and coated the back and sides with polyurethane. It worked great. I made my polishing tool for my 12" mirror out of three layers of 3/4" particle board glued together. I used a chisel and a belt sander to put a curve on the

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• 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

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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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• Making a Mirror.Astronomy

  In either case you will end up carving a hole in the mirror with about 80 90 of the depth of the curve desired as the next stage of grinding (where you go down through the grits) you will gradually get to about the desired Focal Length.

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• Mirror grinding Hacker News

  Mar 10 2017 · The center of the mirror is the most likely to be contacted by any motion so it is abraded more frequently and becomes the deepest point while the edges are worn less. The distribution between "less" and "more" is spherical. I can at least understand the process of grinding or lapping a surface flat. Here are a couple examples

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• Amazon Marble Makeup Case Travel Makeup Bag Marble

  Kootek 2-Layers Travel Makeup Bag Portable Train Cosmetic Case Organizer with Mirror Shoulder Strap Adjustable Dividers for Cosmetics Makeup Brushes Toiletry Jewelry Digital Accessories 4.7 out of 5 stars 992. 18.99 28.99.

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• Mirror Glass Grinding Coolant Filtration and Separation

  Mirror Glass. Mirror Glass Grinding Coolant is the lifeblood of your glass manufacturing process. Properly filtering and separating mirror glass grinding coolant so you can deliver clean grinding coolant at the right flow and pressure is very important to produce predictable grinding wheel / belt / drill life as well as superior edge quality and to deliver to your customer (or furnace) the

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• Leonardo Da Vinci s mirror making machines

  One machine is designed for grinding concave mirrors of small focal length. The other machine a much larger piece to implement grinds mirrors of large focal lengths. Though Leonardo da Vinci creates sketches of mirror grinding one crucial and logical question to ask is whether he used such mirrors in his artwork or drawing.

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• mirror grinder page

  Mirror grinding machine construction log I started thinking about building my own mirror grinding machine several years ago. Having been on the ATM list now since almost the beginning of it here on the web I had (just in case) I melted the pitch and

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• MirrorsTelescopes

  We are your source for astronomy telescopes eyepieces astroimaging cameras and more Browse an extensive selection of astronomy equipment at Telescopes.

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• 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 of large focal lengths.Ý Though Leonardo da Vinci creates sketches of mirror grinding one

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• grinding an optical flat mirrorReiner Vogel

  Fine grinding. A flatness in the range of 1 µm can be reached by grinding three glass blanks alternatingly against each other blank 1 on 2 2 on 3 3 on 1 and so on. This will be continued with each Carbo grade. After fine grinding one of the blanks is picked as the future flat mirror and will be polished.

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• How to achieve mirror grinding with grinding wheel

  When mirror polishing first use the vitrified bond diamond grinding wheel with grit 60# or less make the grinding grains on the surface of the grinding wheel form many semi-blunt micro edges of equal height when grinding only cut off the micro chip and the surface roughness reaches Ra0.08 0.04mm.

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• Build your own telescope part 1 The mirrorThomas

  The problem with thin mirrors is that they flex more easily during grinding and polishing making it hard to achieve the required surface precision. They also need a more complex mirror cell (additional support points). Plop is a useful software to let you calculate the number of points needed based on the diameter and thickness of the glass

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• Joy of Mirror Making PolishingBBAstroDesigns

  The test here is that there are no areas or zones of the mirror that do not have some polish. If this should ever be the case polish for another 15 minutes and try again. If still zones show no polish then consult an expert. It could be that fine grinding did not finish properly or that there is a problem with your polishing technique.

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• Internal mirror grinding with a metal/metal–resin bonded

  In contrast mirror grinding with fine abrasive wheels was achievable when appropriate parameters were chosen. In this investigation ELID II grinding with a #325 CIB–CBN wheel was used for rough grinding and the MRB–CBN wheels were utilized for finish grinding only. 4.3.2. Mirror surface grinding

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• Amazon Marble Makeup Case Travel Makeup Bag Marble

  Kootek 2-Layers Travel Makeup Bag Portable Train Cosmetic Case Organizer with Mirror Shoulder Strap Adjustable Dividers for Cosmetics Makeup Brushes Toiletry Jewelry Digital Accessories 4.7 out of 5 stars 992. 18.99 28.99.

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• Mirror-Making WorkshopTexas Star Party

  Mirror-Making Workshop. This workshop is no longer active but watch for announcement in future for our next workshop. Let us know you are interested by submitting your request.. This year can be your opportunity to make your own mirror during TSP

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• Schmidt Cassegrain vs Maksutov CassegrainWhere Is The

  Schmidt has thin complex shaped corrector lens with a secondary mirror and Maksutov has thick spherical corrector lens and the secondary mirror that is not a mirror but an aluminized small spot on the inside of the Maksutov corrector lens. Another difference is in the size of the aperture. Schmidt Cassegrains are made to have big apertures

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• Polishing Machined Aluminum to a Mirror Finish 5 Steps

  Polishing Machined Aluminum to a Mirror Finish This is one of many strategies to get aluminum to a mirror finish. If you have sandpaper a buffing wheel and some compounds you can get pretty close to mirror. To get clearer and clearer finishes you can chrome plate electro-polish or do it

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• grinding an optical flat mirrorReiner Vogel

  Fine grinding. A flatness in the range of 1 µm can be reached by grinding three glass blanks alternatingly against each other blank 1 on 2 2 on 3 3 on 1 and so on. This will be continued with each Carbo grade. After fine grinding one of the blanks is picked as the future flat mirror and will be polished.

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• How I make Telescope Mirror Blanks

  Now that I have several blanks made it is time to grind and polish one into a telescope mirror and test it out. I can use one blank as the mirror and another as the grinding tool and have a couple in reserve in case something goes horribly wrong during the grinding and polishing operations. I ll post an update once a mirror is completed.

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• How To Remove Scratches on knives tools plastic use

  Jun 23 2013 · How to sand knife to mirror finish without power toolsDuration 4 20. Volos Projects 75 457 views. 4 20. How to Sharpen a Hatchet or Axe to a Scary Sharp Edge Duration 15 43.

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• Joy of Mirror Making Rough GrindingBBAstroDesigns

  Rough Grinding The first milestone is putting a curve into the mirror face. The curve s depth dictates the mirror s 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 pre-generated for you.

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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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• Mirror grinding Table ATM Optics and DIY Forum

  Aug 04 2010 · Mirror grinding Table posted in ATM Optics and DIY Forum Does anyone have or know where to find a good design for a simple light weight and easy to build mirror grinding table Looking at the ones in the Delmarva post something like this would be awesome. It would be great if it can be broken down for storage as space is at a premium in my place.

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• Contract Grinding Polishing in Western Pennsylvania (PA

  Contract grinding polishing services. Capabilities include Blanchard rotary grinding from 36 in. to 148 in. dia. for 156 in. diagonal 63 in. high capacity for 20 000 lbs. surface grinding up to 192 in. L x 55 in. W up to 10 000 lbs. bar grinding up to 210 in. L x 24 in. W up to 6 000 lbs. angle way lathe bed shear blade slot radius grinding MIG TIG stick wire feed welding

  Get Price

• Amazon telescope mirrors

  Telescopic Inspection Mirror.Diabetic Mirror for feet.360 Rotating lamp Inspection Mirror Mechanics Mirror Inspection Mirror car Inspection Mirror .Mechanics Stick Telescoping Mirror Inspection Tool Light 2 LEDs Carrying Case and Batteries Included 360 Degree Swivel Extendable. 4.1 out of 5 stars 31. 14.99 14. 99. Get

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• Grinding and PolishingASM International

  In many cases all the grinding can be accomplished in a single step such as in the procedure described in Table 4.1. Automatic Polishing After the finest grinding step polish the specimens on napless polishing cloths loaded with lubricant and progressively smaller diamond abrasives.

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• Stellafane ATM Measuring Sagitta

  Don t confuse lower case r (mirror radius) with upper case R (Radius of Curvature) which is twice F (Focal Length). Calculating Sagitta. Before you start grinding you should have decided on your mirror s desired focal length. The two most common beginners mirrors the

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• Mirror Glass Grinding Coolant Filtration and Separation

  Mirror Glass. Mirror Glass Grinding Coolant is the lifeblood of your glass manufacturing process. Properly filtering and separating mirror glass grinding coolant so you can deliver clean grinding coolant at the right flow and pressure is very important to produce predictable grinding wheel / belt / drill life as well as superior edge quality and to deliver to your customer (or furnace) the

  Get Price

• Making a homemade mirror grinding machineATM Optics

  Mar 06 2006 · The larger one is for grinding and polishing mirrors and is also used at higher speeds to centrifugally cast resin mirrors an experiment I am playing with in my spare (sic ) time. The smaller mirror is used for power wrapping epoxy impregnated fiberglass around mandrels for making tubes and cylindrical components for open trusses.

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