WEBJoy of Mirror Making: Rough Grinding. Rough grinding a telpe mirror. Richard Burns. Projetos De Ciência. Projetos Stem. Arduino. 1. How to Align Your Newtonian Reflector Telpe. Follow these 3 easy steps to learn how to align your Newtonian reflector telpe, also known as collimation, in this expert article!
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WEBContribute to sili2023/sbm development by creating an account on GitHub.
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WEBSep 26, 2023 · Mirror Polishing Technology. Molding polishing is a process of manually manipulating the surface of materials through the use of oilstone strips, wool wheels, sandpaper, and other implements to produce a smooth surface. Those necessitating highprecision surfaces may opt for ultraprecision grinding and polishing, which entails the .
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WEBJoy of Mirror Making: Rough Grinding. Rough grinding a telpe mirror. Richard Burns. Sumerian. Lager. Scopes. Experience. Experiences with Sumerian Alkaid and Canopus 16inch Telpes Reflectors Cloudy Nights.
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WEBFeb 3, 2018 · Delmarva is unique in that in 34 days most go home with a finished mirror, from rough grinding to well figured. because of the teachers and null testing used they are able to finish mirrors in just over the weekend. never heard anyone else doing it with that short time frame. Yes, Delmarva was unique.
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WEBYou've already forked sbm 0 Code Issues Pull Requests Packages Projects Releases Wiki Activity
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WEBThe back had to be ground to a spherical shape, the edges beveled and the front rough grind back to This took months of hand grinding. Here you can see the grinding of the mirror's back in operation, along with an initial flash grind of the back showing that the glass was slumped fairly evenly.
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WEBJul 5, 2023 This video shows a few initial stages of making a primary mirror for a 6" f/8 telpe. I'm a newbie so bear with me in my ignorance as a first timer making...
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WEBPreparation before grinding. Making a plaster tool. Rough grinding. Fine grinding. Making a polishing tool. Polishing. Figuring. ... a great deal of money will be saved: a finished 24" scope will set you back 7,000; grinding your own mirror and building the mount yourself will cost you 2,000. Amateurs have made mirrors up to 41" by hand.
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WEBFeb 3, 2018 · Delmarva is unique in that in 34 days most go home with a finished mirror, from rough grinding to well figured. because of the teachers and null testing used they are able to finish mirrors in just over the weekend.
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WEBbegingroup Also, in grinding the precision is far too low to even matter whether you're aiming for a sphere or a parabola. It doesn't matter at all. Don't waste your time making jigs. The emphasis in this stage is not on precision, but on removing glass (rough grinding) and smoothing out the surface (fine grinding).
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WEBMirror maker 'X's mirrors are recognizable and distinct from mirror maker 'Y'. Our personalities impact how we make mirrors. Our processes and techniques vary. That's because there are many variables in mirror making. Each mirror makers chooses to control some factors and vary others in order to achieve the desired result. The Perfect .
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WEBAfter hogging the mirror blank to depth, the rough grinding stage begins. In this video I am grinding with 60/90 grit. The wets are lasting about 90 second...
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WEBCasting a Large, LightWeight Telpe Mirror From Recycled Glass: The first photo below shows a inch diameter, inch thick, telpe mirror blank, made from recycled glass, that has been lightened by casting the mirror in a mold that made lots of hexagonshaped pockets in the back of the mirror. This is t.
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WEBLearn the basics of Telpe Making with Mirror Grinding right from starting with a Glass blank all the way upto reaching the desired focal length and curva...
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WEBSep 22, 2015 · Help ! rough grinding 16" mirror posted in ATM, Optics and DIY Forum: Hello, Grinding a 16 blank, plate glass....I am currently 5/8 3/4 from the outside edge using a ring tool ( lb. barbell plate, by hand) around a 55 gallon drum. I would like to get 1/4, or 1/8 from the edge, if possible. ...
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WEBIn today's digital age, making a homemade DIY TV antenna has become a rewarding project for many. These 10 homemade DIY tv antenna plans aim to walk you through the steps of how to make your own DIY antenna, helping you to ch free overtheair television broadcasts without the need for costly subscriptions. ... Joy of Mirror Making: .
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WEBThe new fixedpost grinding machine is working on the quartz mirror. This video shows rough grinding on the blank, which is done to get the mirror to the exact focal length we want. This mirror will have a focal length of 60, which is F4. ... Telpe making. Mirror grinding techniques There are many reasons for grinding your own .
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WEBThe rough grinding usually digs a depression in the center of the upper disc which gradually deepens and spreads toward the edge of the disc. It is a fairly simple matter, by regulating the extent of overhand, to arrange to have the curve on the mirror face reach its proper depth just as the edge of the ground out area reaches the edge of the ...
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WEBContrast experiments were also conducted on fused silica, using the same grinding parameters; this produced only very rough surfaces, which further validated the feasibility of the proposed model. The demand for reactionbonded silicon carbide (RBSiC) mirrors has escalated recently with the rapid development of space optical remote sensors ...
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WEBJul 29, 2022 The secondary mirror holder and spider on my 12¾inch trusstube Dobsonian is made with scrap wood, a few nuts and bolts, and a stainlesssteel ruler. The curvedvane secondary mirror holders I use on almost all my telpes never fails to excite curiosity. Most people know that the principal benefit of the curved spider is spike .
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WEBTom Cave and his dad founded Cave Optical Company in the 1950s. Over three decades, Tom Cave was responsible for making thousands of telpes, as well as optics up to meters for industry and aerospace. ... Joy of Mirror Making: Rough Grinding. Rough grinding a telpe mirror.
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WEBJan 1, 2001 · All three bearing rings were first ground with a #325 wheel; then two were ground with #1200 and #4000 wheels respectively. Finally, mirror surface ELID II grinding of SKD11, SKH11, bearing steel and alumina ceramic was performed through two steps: rough grinding with a #325 wheel and precision grinding with a #4000 wheel.
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WEBRough grinding powders for grinding mirrors to the required curve starting with flat (non diamond generated) mirror blank and grinding tool. Three grades of coarse grinding powders are listed below. The table advises the probable amount of each grade of powder needed to grind the mirror sizes listed. The powders are priced at a cost per per ...
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WEBMar 17, 2015 · Page 1 of 5 Making a Mirror grinding Polishing machine posted in ATM, Optics and DIY Forum: Hello, I am on the half of the way to make a mirror grinding machine inspired by original MOM design. I made the pulley arrangement such a way that, both the turn table eccentric spins at 50 RPM fixed. I wont go for making mirror .
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WEBMirror thickness is also a consideration. Thicker mirrors will tend to hold their shape better during grinding as they are just more stable overall (resulting in less likelihood of making them astigmatic), but the downside is thick mirrors are an absolute asshole to thermally acclimate at night, and they won't perform well if they're too thick.
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WEBDec 15, 2000 · Learn how to make a tile tool for grinding a telpe mirror using an adaptation of the method professed by the late Tom Waineo, noted optician.
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WEBOf course for rough grinding we use a mechanized method with a specially made machine. Our mirror was ground to our target radius with a curvature of R = 3500 mm using abrasives numbered 40 and 80. ... After rough sanding, the mirror is finely sanded using a special machine with different abrasive sizes with numbers from 80 to 1000. When ...
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