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Stellafane Atm Rough Grinding In Burundi

  • Stellafane Atm Fine Grinding

    Cnc telescope mirror grinder cnczone dec 6 2006 rough and fine grinding the mirror is about half the work stellafane atm grits polish pitch introductionmaterialpolishing compoundspitchhow much will i need safe handling storage grit is a generic name for the abrasive particles used with a hard tool in rough and fine grinding.

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  • Rough Grinding To Fine Grinding When Atm Optics

    Rough grinding to fine grinding when posted in atm optics and diy forum at what point do people typically stop hogging out the mirror with the larger grit and move on to finer im using 80 grit on my 6 mirror and am at approx fl 41inf68 and im aiming for fl 36inf6 ive read that some people choose to overshoot during the rough grinding and then go tool on top for the.

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  • Stellafane Atm Fine Grinding

    Fine grinding you start fine grinding once you are done with rough grinding reached the required sagitta and the desired focal length of your mirror in fine grinding finer abrasives are used ie above 400 i use m301 m303 and m305 for fine grinding for entire fine grinding you will be using 13 coc strokes only see the videos below.

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  • Stellafane Atm Fine Grinding

    Fine ground grinding stellafane atm fine grinding fine grinding refines the basic shape you have ground into the surface of the glass with rough grinding the sequence of ever finer grits that you use smoothes the rough surface that was made in rough grinding.

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  • Stellafane Atm Fine Grinding

    Glass grinding operation kvajniorgin stellafane atm rough grinding with any glass grinding operation you must work wet to prevent glass dust from entering your.

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  • Rough Grinding Use

    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.

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  • Stella Group Rough Grinding

    Product information our grinding wheels for deburring and fettling of welding seams of steel parts and castings are characterized by a high cutting efficiency aggressive hard and tough abrasive types are applied which ensure high lifetimes fabricreinforced grinding wheels are produced for speeds up to 80 ms.

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  • Stellafane Atm Fine Grinding

    Stellafane atm mirror making overview fine grinding the purpose of fine grinding is to smooth the surface generated by rough grinding and to get good contact details of each step are provided in subsequent pages along with plans to build your own tester go back to the stellafane atm index page to find and read them.

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  • Stellafane Atm Fine Grinding

    First time grinding question hogging tool posted in atm optics and diy forum im finally going to go for it and grind a mirror im going to start with an 8 f 68 to match a scope ive already made for another mirrorim mostly going by the stellafane website but ive read some posts about using a ring tool or diamond tool.

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  • Stellafane Atm Fine Grinding Lapulperiaparisfr

    Stellafane 2008 umichedu stellafane atm mirror making overview mirror grinding at the spring 1998 stellafane mirror workshop in the mcgregor observatory rough grinding the purpose of rough grinding is to start to cut a spherical concave surface into the mirror blank for a 6 mirror with a 48 focal length the depth of the curve is 0047.

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  • Rough Grinding Atm

    Stellafane atm fine grinding tripolycz stellafane atm main page the goals of fine grinding are to prepare the curved mirror face so that it is ready for polishing and figuring and make any adjustments of the focal length previously in rough grinding we deepened the center of the mirror s face either by grinding with coarse grit and a tool.

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  • Stellafane Atm Fine Grinding

    Stellafane atm grits polish pitch aluminum oxide is a hard rounded material primarily used for fine grinding mirror makers who use grinding machines tend to use fewer grits with bigger jumps in zirconium oxide is one of the modern slow polishing compounds being barnesite a dark red mineral compound was a popular polishing compound you.

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  • Stellafane Atm Fine Grinding

    Stellafane atm grits polish pitch grit is a generic name for the abrasive particles used with a hard tool in rough and fine grinding polish or polishing compound is a generic name for thecontact supplier catalog diamond lapping compound norton.

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  • Stellafane Atm Fine Grinding

    Stellafane atm grits polish pitch introductionmaterialpolishing compoundspitchhow much will i needsafe handling storage grit is a generic name for the abrasive particles used with a hard tool in rough and fine grinding polish or polishing compound is a generic name for the abrasive used with a soft pitch tool in polishing and figuring grit and polish differ mainly in particle size and the.

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  • Joy Of Mirror Making Rough Grinding

    Stellafane atm materials tools polishing is the stage of mirror making that requires the most physical work even more than rough grinding what probably concerns you most is how much time it will take you to polish the mirror using the techniques described below a 16 porthole takes about 10 hours to polish out with a full lap.

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  • Joy Of Mirror Making Rough Grinding

    Stellafane atm mirror making overview mirror grinding at the spring 1998 stellafane mirror workshop in the mcgregor observatory rough grinding the purpose of rough grinding is to start to cut a spherical concave surface into the mirror blank for a 6 mirror with a 48 focal length the depth of the curve is 0047 get price.

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  • Joy Of Mirror Making Rough Grinding

    Stellafane atm mirror making overview mirror grinding at the spring 1998 stellafane mirror workshop in the mcgregor observatory rough grinding the purpose of rough grinding is to start to cut a spherical concave surface into the mirror blank for a 6quot mirror with a 48quot focal length the depth of the curve is 0 047quot a full sized tool is.

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  • Stellafane Atm Fine Grinding Hp 1103 Coal Mill Spares

    Stellafane atm mirror making overview rough and fine grinding use hard tools glass tile or metal and harder then glass abrasive grit silicon carbide or aluminum oxide polishing and figuring use a soft pitch tool and ultra fine abrasive cerium oxide or rouge up until figuring the mirror maker uses strokes with random mirror and tool rotation which naturally results in a spherical.

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  • Stellafane Atm Fine Grinding Gentetfr

    Stellafane atm polishing for rough grinding a 6 mirror about 12 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 spray bottle.

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  • Stellafane Atm Fine Grinding

    Stellafane atm rough grinding for rough grinding a 6 mirror about 12 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.

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  • Rough Grinding Atm

    Stellafane atm rough grinding for rough grinding a 6 mirror about 12 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.

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  • Stellafane Atm Fine Grinding

    Stellafane atm rough grinding for rough grinding a 6 mirror about 12 teaspoon of grit is used per wet with finer grits proportionately less grit is used per wet learn more fine grinding issues white pits atm optics and diy page 1 of 2 fine grinding issues white pits posted in atm optics and diy forum i.

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  • Rough Grinding Machines

    Stellafane atm rough grinding for rough grinding a 6quot mirror using about 12 teaspoons of coarse sand per wet run is reduced in proportion to the finer sand particles each wet sand particle is usually premixed with water to form a slurry in the range of 25 microns the water and sand particles are extruded from the plastic bottle together.

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  • Joy Of Mirror Making Rough Grinding

    Stellafane atm rough grinding mirroromatic operations manual revised 2 may 2002 mirroromatic will take most of the manual labor some call this drudgery some call it joy out of mirror making because the mirror is rotated on a turntable it will have a very nice figure of revolution.

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  • Stellafane Atm Fine Grinding

    Stellafane atm rough grinding shell moulding is a specialised process using a very fine resin bonded sand on a super reducing the need for expensive machining obter pre o fine grind grinding sunriseschooladalpur fine grind grinding stellafane atm fine grinding fine grinding refines the basic shape you have ground into.

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  • Use Of For Grinding Process

    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 rough grinding wheel bond for ultra high process quality newly developed resin bond offers ultrahigh grinding quality.

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  • Stellafane Atm Fine Grinding

    Stellafane mirror makersknow more happy halloween to the fine folks at stellafane last week in mirror class advanced atm and stellafane member francis edwards was using a here is a picture of our work making tile grinding tools for our mirror class students.

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  • Rough Grinding Machine

    The grinding machine 43 for crankshafts forms a working centre by means of which corresponding roughgrinding and finishgrinding are possible in one single clamping the total cavity including roughing rough grinding and fine finishing applications was milled over a total duration in the first run of 5 hours and 20 minutes.

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  • Stellafane Atm Fine Grinding

    Time a 6 f8 or 8 f6 mirror will typically be fine ground in 10 to 14 hours or work depending on mirror size grit size used pressure applied more pressure means short wets but more glass removed and personal work style this is very approximately 1 to 3 hours per grit.

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  • Rough Grinding Atm

    To construct a grinding tool attach unglazed ceramic tiles 1 inch 25cm square to one of these substrates hydrostone gypsum cement casting stellafane atm measuring sagitta measuring sagitta depth of curve during grinding the mirror is too rough to measure the focal length optically to.

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