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·Page 2 of 3 Mirror Grinding Take A Class Or DIY posted in ATM Optics and DIY Forum Thanks Ed Having taught over 30 years a ATM class and 50 years professional Read all you can there are many paths one can follow making mirrors I like All about Telescopes because its simple and has great drawings of what to expect It is a hand based skill anyone
In response to the significant demand of manufacturing technology of large scale off axis aspheric optical components in space optics researches on precision grinding technology of off axis aspheric mirrors have been carried out The principle of grinding off axis aspheric surface using generating method in a five axis machine tool is analyzed
·Mirror Grind 5448 is supplied in concentrate form to be diluted according to your requirements usually from 50 1 to 100 1 With addition at tank side or by automated metering equipment this product accommodates grinding bevels of up to two inches Heavy duty formulation to extend sump life Mirror Grind 5448 is designed with long lasting
·First the basic mirror grinding properties of the three grinding methods soft hard and rotary were examined by using a #600 wheel Fig 3 shows one of examples showing how the surface grinding progressed; the entire photograph of diamond substrate was taken periodically during the rotary grinding with #600 wheel There was around 6 μm of
·The objective is to understand how the ductile mode mirror grinding of hard and brittle material is related to the diamond wheel profile along with microscopic grain protrusion parameters and macroscopic grinding variables 2010 used an approximated arc wheel profile to plan 3D tool paths by using a normal algorithm but it partly
DOI / Corpus ID 136598690; Study on ductile mode mirror grinding of SiC ceramic freeform surface using an elliptical torus shaped diamond wheel article{Xie2015StudyOD title={Study on ductile mode mirror grinding of SiC ceramic freeform surface using an elliptical torus shaped diamond wheel} author={J Xie and Q Li and J X
·Plane mirrors have been widely used in various optical systems The performance of optical systems relies heavily on the surface quality and flatness of plane mirror which are achieved by grinding or lapping followed by polishing or figuring It is widely
·Mirror surface grinding is achievable on an ordinary grinder with ELID II or ELID III So both roughing and finishing processes can be completed on one machine Acknowledgements The authors would like to thank Fuji Die Japan for providing CIB CBN and MRB CBN wheels Special thanks go to SKF Holland Ikegami Mold Engineering Japan
·Construction of a primary mirror requires as a final step the aluminization of the mirror s surface This critical step is not a home DIY task You would need to find an industrial optics company willing to perform the aluminization for you You can spend weeks of your life grinding the mirror then be lost because you cannot find an
·Fig 3 shows the envelope grinding along with tool posture angle θ and envelope trace height h the parallel YZ sections the CL and the angle ϕ are driven by the linkage of Y axis and Z axis translations and A axis rotation according to 1 2 4 5 The tool path interval f x is driven by the differential translation of X axis The envelope trace between tool
Much is also unchanged mirror grinding techniques are very similar to those written up by Porter and Ingalls in the 20´s and 30´s Many amateur astronomers still choose to fabricate their own instruments for the pride of accomplishment the gaining of knowledge and the insurance of quality Complete plans for all the test equipment you
·TO GRIND A TELESCOPE MIRROR 55 an hour before the polishing starts sprinkle some polishing powder on the mirror and put it on the template with a heavy book on top to make sure that the pitch surface takes the form of the mirror Polish with short strokes with rouge or by preference with cerium oxide
·It gives detailed information on mirror grinding and on building three different telescopes including a 10 inch Newtonian and a 12 inch Cassegrain The prose is a bit formal perhaps due to its translated from French origin Attractively presented detailed plans Worst feature No mirror making information Rating Desirable Status Out
Tungsten Carbide Machining in Industry Application Mirror grinding Tungsten Carbide is often applied in the Precision Machining industry and Automotive industry especially for metal machining high pressure oil and gas slab gate valves etc D ue to its material properties of high hardness and rigidity it is invaluable in making hardmetal as well as making mill products
·Even tiny particles can interfere with the mirror grinding process leading to an uneven finish For your mirror to perform at its best it must have a perfectly smooth surface Workspace Organization Finally we must pay attention to workspace organization A clutter free environment lets you focus better and maneuver more comfortably during
·Mirror Grinding Table posted in ATM Optics and DIY Forum Anyone know of plans available for building a mirror grinding table It is starting to look like I need to grind flats for a project I really dont want to have to stand and rotate around a 55 gallon drum Not looking for a full blown mirror grinding machine its just a one off project famous last words
·The mirror grinding was conducted as follows regardless of whether the substrate was rotated or fixed When the grinding wheel first touched the surface of diamond specimen the spindle position was maintained without application of any feeding for several minutes zero position grinding The grinding wheel was then fed at a certain rate up
·book in mirror grinding testing & figuring telescope construction and mounting was the amateur telescope maker s Don t loose your head Use our ATM links to solve your Telescope Making problems April 2005 Stellafane Mirror Class 10" Classic Dob by I am interested in mirror grinding predominantly but would also like to
·The mirror grinding machine that Leonardo designed was an innovative and efficient mechanism for producing high quality optical surfaces It was based on the use of a rotating tool that was driven by a series of gears which allowed for precise control over the grinding process
Highly efficient mirror grinding of AlN could be achieved by using a vitrified bond wheel for semi finishing and a resinoid bond wheel for finishing " keywords = "Aluminum nitride Buried abrasive grain Grain boundary fracture Machining efficiency Particle size distribution Plane honing Released abrasive grain Surface roughness
·The initial rough grinding process uses grit sizes of 60 120 and 180 to carve out the basic spherical cavity The mirror is then fine ground with grits of sizes ranging from 220 900 In both grinding processes the grit is harder than the mirror blank and tool resulting in a concave mirror and complementary convex tool
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
DOI / Corpus ID 114755226; Study on a 5 axis precision and mirror grinding of glass freeform surface without on machine wheel profile truing article{Xie2016StudyOA title={Study on a 5 axis precision and mirror grinding of glass freeform surface without on machine wheel profile truing} author={J Xie and Z J Deng and J Y Liao
