Online Service: AnyTime: 7*24
ritchey telescope mirror grinding machine,ritchey telescope mirror grinding machine,lscrusher heavy industry technology is a joint-stock enterprise that mainly produces large and medium-sized series of crushers, sand making machines, and mills, and integrates r&d, production and sales. he company regards product quality as the life of the company..how i make telescope mirror blanks - mdpub.com,here is the result of firing the above stack of glass. once out of the kiln, i removed it from the mold, and trued up the edge on my grinder. it is a fine-looking, near full-thickness, 10 inch diameter blank that i intend to grind and polish into a 1st class telescope mirror. here is a stack of my home-made 8 and 10 inch mirror blanks..optical glass plano concave mirror with protective al,yutai optics has many experienced engineers and advanced machines, they are the important guarantee for the higher quality products.our advanced production machines list: ring polishing machine, single axis machine, two axis machine, four axis machine,centering edging machine,mechanical milling machine,spectrograph, grinding machine,nanotech.250upl,talysurfi120..telescope mirror grinding machines | crusher mills, cone,panasonic hdc-sd60 telescope mirror grinding machine, grinding 10' pyrex blank for telescope mirror newport glass works, ltd. grinding, polishing and figuring.
If you have any problems about our product and service,please feel free to give your inquiry in the form below. We will reply you within 24 hours as soon as possible.Thank you!
as a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including quarry, aggregate, and different kinds of,grinding mirror machine pdf - products,grinding mirror machine pdf. 250tph river stone crushing line in chile. 200tph granite crushing line in cameroon. 250tph limestone crushing line in kenya. 250tph granite crushing line in south africa. mcc 120tph granite crushing line in zimbabwe. 400tph crushing plant in guinea. chat online
my mirror grinding machine. for a long time i've wanted to build a machine for grinding telescope mirrors. dennis rech's m-o-m designs finally inspired me to just get up and do it. over the years, i'd been collecting motors, gear boxes, pulleys, etc. most of them came from industrial junk yards.,grinding machine for large telescope mirrors,grinding machine for large telescope mirrors i designed and built a grinding machine for mirrors up to 42 inches [1.1m] in diameter. by slipping on and off a couple of belts, the machine can quickly be reconfigured for spinning work or for stroking work.
up for sale is my telescope mirror grinding machine / pottery wheel. i used this machine to grind a telescope mirror and it worked great. no more walking around the barrel. could be adapted with an overarm for a fully automated grinding machine. $125 shipped to conusa. includes 3d printed mirror holder (mirror blank not included as seen in picture).,astro-tel - mirror grinding machine,i finished up using a spindle speed of 72 rpm. and a stroke of 56 per minute and used this for grinding both 6 inch and 8 inch mirrors. the splash tray is made from a 15' diameter pizza tray. along the front of the machine is a bracket holding jars of carborundurn powders.
this listing is for a telescope mirror grinding machine and supplies. specifically it is called a 'fixed post grinding machine', made popular by the youtube videos of gordon waite. basically, it's a heavy turntable, driven by a browning speed reducer and a direct current, variable speed motor, with a fixed post for the grinding tool, all riding,making my own fixed post mirror grinding/polishing machine,i was handed several free blanks and tools by other glass pushers. they gave up when a blank or tool chipped badly on the edge. always useful as tools or for making laps. a is really not necessary and will usually go much faster working by hand. a sturdy turntable and handwork is one way to do it.
the m-o-m is a marvellous machine due to its simplicity and yet refined design. it is extremely flexible accommodating mirror sizes from 4 inch up to 20 inch (with slight modifications) and can be used for all three steps necessary in producing a mirror. that is you can use it to grind, polish and figure your optics.,powder grinding mill|mirror grinding machine for sale,grinding machine for large telescope mirrors. grinding machine for large telescope mirrors i designed and built a grinding machine for mirrors up to 42 inches 11m in diameter by slipping on and off a couple of belts the machine can quickly be reconfigured for spinning work or for stroking work the machine can also work smaller mirrors if the drip pan is moved to the fast shaft on
i recommend #60 carborundum for rough grinding. by the way, as in all optical work, be sure that you always maintain bevel on the edge of the mirror throughout grinding. if your mirror is light enough to grind on top, grind much the same way you would a smaller mirror. your goal is to grind the curve from the middle out, timing it so that you reach the desired focal length at about the time the curve reaches,mike's telescope workshop,i finally decided it was time to build a machine to help me grind the edges of the blanks true and round. this is my home-built edge grinding machine for grinding down my home-cast mirror blanks. click to see the whole project. this is a 12.5 inch diameter, 1.5 inch thick, light-weight honeycomb-back telescope mirror blank that i made myself.
well, that depends. mostly on the mirror size you wish to grind, and the prices of the local market. in the us, telescope mirrors are the cheapest. a decent 6' (150 mm) mirror can be bought for under 100$. in europe, prices are usually twice, if not three times that.,large thin mirror making - bbastrodesigns.com,in addition, 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. a grinding machine relieves the labor, but is not necessary. a 24' is the largest you can comfortably do solo.
ullman devices htc-2 high-tech telescoping inspection mirror, 2-1/4' diameter, 6-1/2' to 36-3/8' length. 4.6 out of 5 stars. 1,523. $7.36. $7. . 36. get it as soon as thu, apr 29. free shipping on orders over $25 shipped by amazon.,build your own telescope part 1: the mirror – thomas,rough grinding. this step is about making one side of the glass concave. it will give your mirror its overall focal ratio. if you make the centre deep, you will end up with a fast telescope (e.g. f/d = 4) well suited for deep sky observations. on the opposite, a shallow mirror (e.g. f/d = 8) will be performing very well on planets and the moon.
mirror grinding kit grind and polish telescope mirror at. all our mirror kits contain a pilkington float glass mirror blank and grinding tool these arefinished with fine ground edges 180 grade first stage ginding powder 400 grade ginding powder 303 grade smoothing powder top quality cerium oxide polishing.,telescope mirrors, blanks, secondaries, grinding materials,t&a lens cloth $1aud 114mm (4.5') glass f/8 parabolic mirror $60aud 153mm (6') soda lime f/5 parabolic mirror $215aud 153mm (6') soda lime f/7.8 parabolic mirror $215aud 200mm (8') soda lime f/4 parabolic mirror $340aud 200mm (8') bk7 f/4 parabolic mirror $360aud 200mm (8') pyrex f/4 parabolic mirror $375aud 200mm (8') soda lime f/6 parabolic mirror $340aud 200mm (8') bk7 f/6 parabolic mirror $360aud 200mm (8') pyrex f/6 parabolic mirror $375aud 250mm (10') bk7 f/5 parabolic mirror
you cannot get a better coating at any price anywhere. secondary mirrors are 1/10 wave or better and coated with super enhanced 96% brilliant-diamond. this premium aluminum coating has 96% reflectivity at 550 nm. these highly reflective coatings are standard on both mirrors at no extra charge. no one else offers this level of performance.,building a fixed post mirror grinding machine,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
coat your warm mirror with a thick layer of cerium oxide, so the mirror will not stick to the pitch. 10. press the mirror onto the pitch, flattening out the mound and pushing any air bubbles out the sides. wiggle the mirror and press some more, until all the pitch is in contact with all the mirror, and the pitch is uniformly about 3/8' thick.,buy telescope mirrors - jim's mobile,16' mirror set 406mm aperture f/4.5 focal ratio 88mm secondary mirset1645 $1,459 purchase from farpoint: 12' mirror set 304mm aperture f/5 focal ratio 70mm secondary mirset1250 $599 purchase from farpoint: 10' mirror set 250mm aperture f/5 focal ratio 63mm secondary mirset1050 $349 purchase from farpoint: 8' mirror set
mirror grinding machine for sale – crusher south africa. telescope mirror grinding machines. mirror grinding machine telescope mirror grinding machine based on dennis rech's m-o-m 20. my mirror grinding machine.,10 inch telescope mirror kit | mirror kit, telescope,10 inch telescope mirror kit | mirror kit, telescope, astrophotography. may 7, 2013 - make your own 10 inch telescope mirror. this kit includes everything you need to grind your own top quality telescope mirror.
reflector mirror wholesale 0.8/1.2/1.5mm sheet glass aluminum reflector mirror / high quality aluminum reflector mirror /silver mirror us $1.50-$120.00 / piece 1 piece (min. order),grind and polish a dobsonian/newtonian telescope mirror,2 pieces of glass - one will be the mirror, the other is the tool you will use to grind it. mine were plate glass 6.25' in diameter for the mirror and 5.75' in diameter for the tool, 3/4' thick. you can buy glass blanks online, in addition to other telescope making supplies at first hand discovery.
gso offers very high-quality parabolic telescope mirrors for the people who want to build their telescopes or diy project. our parabolic telescope mirror size ranges from 6' to 16', all of these mirrors are made from bk7 quality optical glass and all the mirror surface quality over 1/16 wave rms at the least, typically better.,stellafane atm: grits, polish & pitch,some amateurs prefer to use a minimum of grit sizes (minimizes cleanup between grits time and cost of supplies). mel bartels, a well respected west coast amateur, recommends on his large, thin mirror grinding web page starting with something between 30 and 60 grit, and then 120, 220, 500 (=25 micron) and finishing with 9 micron. this is just a 5 grit sequence, as opposed to 8 to 10 for the more