As measured from where the mirror s center rays cross the mirror s axis each zone should cross at a point r^2/2R where little r is the zone s radius and big R is the Radius of Curvature this is for a moving light source for a fixed
2021 10 15· Page 1 of 2 Making my own fixed post mirror grinding/polishing machine posted in ATM Optics and DIY Forum Hey guys Im thinking of making my own fixed post mirror grinding/polishing and curve generating machine Ive got loads of questions regarding the design so Ill just start firing away Do I need an eccentric moving tool to be able to polish a mirror spherical
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The mirror machine came to me as a result of astronomical horse trading swapping a large GEM mount and a 8 Newtonian OTA for the machine as it was and a start kit consisting of two 6 blanks and the grit rouge and pitch to manufacture a mirror The grinding machine had been built to the design of the mirror o matic design of Dennis Rech
Total Ratings 19 $ New VEVOR 750W 8x16 Inch Metal Processing Variable Speed Lathe Metal Lathe Mini Lathe out of 5 stars 9 Total Ratings 9 $ New 8 X 16 750w Variable speed Mini Metal Lathe Bench Top Digital 4 out of 5 stars
Mirror Grinding Machine The mirror grinding machine left was accquired as surplus from the University of Glasgow Observatory and was in quite a poor state when it was first inspected It had been sitting in a workshop redundant for many years
Learn how to improve the quality and speed of your metallographic grinding and polishing from selecting the best method to choosing the right consumables with expertise tips and insight from Struers the world s leading materialographic and metallographic experts
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Haas Automation is the largest machine tool builder in the western world manufacturing a complete line of CNC vertical machining centers horizontal machining centers CNC lathes and rotary products
mirror grinding kit grind and polish telescope mirror at home mirror blank grinding tool grinding powders ceruim oxide optical polish View Basket 0 £ ex VAT View Quote 0 Register Login Telephone 44 0 1268 728077 Fax 44 0 1268 590445
After fine grinding the mirror was rough polished on the fixed post machine using a pitch polisher The Ronchigrams in the photo area show the progress of the mirror from rough polishing through figuring After the mirror
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Mirka is a family owned Finnish company and a part of the KWH Group We have a long standing tradition and passion for perfect surfaces Thanks to this genuine interest and focus Mirka has become a world leader in abrasives technology and innovation
Mar 12 2021· Tool diameter; default 150mm enter 375 as the fixed post machine requires a tool with a diameter of about 75% of the one of the mirror being worked Number of zones default 30
2021 10 13· On the bottom is a 6 inch pulley bolted to a 5/8 shaft held by two pillow blocks The keyed shaft was kind of pricey 25 bucks and needed a lot of polishing with coarse sandpaper to get to fit the pillow blocks This took me a couple of hours to get everything square and turning properly
2021 11 01· 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
The grinding experiments have been conducted on the BoX R grinding machine using wheels with grit sizes of 76 mum 46 µm and 25 mum The highest material removal rate mm3/s used ensures
The two axis U joints you see are made of a soft 2 x2 pine which costs about $ for 8 feet A 3/8 hole and a 3/8 smooth shank hex head bolt makes for a surprisingly good hinge bearing The catch basin is a 20 dish used for holding potted plants About $ at Home Depot
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Wuxi Zhongshuo Machinery Co Ltd Polishing Machine Grinding Machine Polishing manufacturer / supplier in China offering High Speed Stainless Steel Mirror Polishing /Grinding Machine V Cutting/Grooving Machine for Stainless Steel Sheets Super Mirror Polishing /Grinding Machine for Staineless Steel and so on
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10 Inch Telescope Mirror Kit Make your own 10 inch telescope mirror This kit Includes everything you need to grind your own top quality telescope mirror Saved by Roberto Varela 27 Mirror Kit Stargazing
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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2021 08 19· Gordon Waite is probably one of the better mirror makers using this machine and have incorporated some of his ideas into my plan I like the fixed post plan vs others with eccentric drives because it gets the heavy grinding done in an automated manner but still give you the chance to
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