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Picture grinding machine, mirror grinder disgital sand moulding mirror grinder page, picture grinding machine.Grinding images and stock photos.11,861 grinding photography.Read more injection moulding parts - anna dongguan pinyi machinery precision tool factory is a professional manufacturer of injection moulding parts.
Page 2 of 2 - fixed post grinderpolisher build - posted in atm, optics and diy forum when i start with a new mirror blank i usually generate the basic curve i need either by or hand on the grinding machine or by using a curve generator i built photo below or i order the blank with a curve generated.At the top left of the fixed post machine photo is the vfd and the swith to turn it on.
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Fixed-post polishing grooves in surface - posted in atm, optics and diy forum so i recently built a fixed-post machine and have an 8 f3.5 pyrex mirror on it now, the first ive done with the machine.Grinding went fine, and rough polishing has proceeded well for 2 hours.Then i put the mirror on the foucault tester to check how things looked.
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Grinding and polishing your own mirrors is a long, arduous process.Instead of lapping the blank by hand, laurie hall built this mirror grinding machine from scratch.
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Grinding action of a polishing lap.Eliminating its action completely, to ensure a fixed overhang and aim at precisely bringing correction to a given zone, or centre the strokes to rub down the centre more rapidly.Machine figuring a mirror in a fully automatic process, the operator just pressing a button to get the perfect mirror.
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Fixed post mirror grinding table designed with 123d.Telescope mirror making part rough grinding this is part 2 of my video series documenting grinding and polishing a inch telescope mirror.Im using a spin or fixed post grinding machine.This video shows a few initial stages of making a primary mirror.
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Fine grinding a 20 quartz telescope mirror.Rough grinding on the fixed-post mirror grinding machine.Hogging the curve on a 20 f4.5 quartz telescope mirror.Astronomy magazine names waite researchs renegade telescope a top astro product of 2015.The 20 renegade telescope offers fabulous viewing without climbing a ladder.
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Making my own fixed post mirror 15.10.2012 page 1 of 2 - making my own fixed post mirror grindingpolishing machine - posted in atm, optics and diy forum hey guys.Im thinking of making my own fixed post mirror grindingpolishing and curve generating machine.
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I also made a short animation of the grinding movement in avi1.7mb or as a animated gif2mb grinding log-----july 22, 2003 machine settings - platter set at 15rpm - overarm speed - 6 strokes per min fixed, stroke- 2.375 aprox 10 lbs weight on mirror.
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Rough polishing was a high-speed process using a fixed-post polishing machine.The step is performed to rapidly remove the pits left over after fine grinding.The fixed-post method leaves several zonal bands easily visible in the ronchigram.The mirror is slightly oblate, as.
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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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The grinding sequence was 25-micron, 12-micron, and 9-micron then finishing with 5-micron.The mirror was rough polished using high-speed fixed-post polishing on a 75 pitch polisher.Rough parabolization was handled with a 40 lap to rapidly move the mirror away from spherical and.
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I had mentioned the mirror surface being hazy along an area near the edge.Doing some research, i found this is likely due to not having the lap in the ideal location in relation to the mirror on the fixed post machine.Typically, it is best to have the position of the lap overhang the mirror by 16 the diameter of the mirror.
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As measured from where the mirrors center rays cross the mirrors axis, each zone should cross at a point r22r, where little r is the zones radius and big r is the radius of curvature this is for a moving light source, for a fixed light source double the values.Consider the.
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Tut44 making a mirror grinding tool.Mirror grinding machine.I made my first mirror grinding and polishing machine over thirty years ago.It used the working principle of the machine illustrated at a fig.3, page 163, amateur telescope making book 1.A bowl which rotated was fitted to the spindle.I also built another machine of the same type.
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Quatrz grinding machine - newest crusher, grinding mill.Rough grinding a 20 quartz telescope mirror on the fixed-post machine.This video shows how to setup a mirror grinding machine for fixed-post grinding, also known chat online.
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Fixed guards for a grinding machine.Grinding machine - wikipedia, the free encyclopedia.A grinding machine, often shortened to grinder, is any of various power tools or machine tools used for.The grinding head can travel across a fixed work piece,.
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