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About $5.00 at Home Depot. The overarm drive pin is attached to the tool with a 3/8" swivel foot and pitch. The eccentric arm is attached to the overarm with the same kind of swivel foot (McMaster Carr). It rests in a 1-1/4" hole on the overarm that is bored about halfway through.
It provides data to help in selecting a telescope, and also provides information necessary for mirror making and testing. Telescope Mirror Making Overview of Mirror Making Pyrex Mirror Blanks Materials and Tools The Mirror Blank The Tools: Grinding & Polishing Grits & Pitch Grinding Stand: Barrel, Stand or Turntable Build an ASGH Wooden Barrel
Find the best Stump Grinding near you on Yelp - see all Stump Grinding open now.Explore other popular Home Services near you from over 7 million businesses with over 142 million. Contact us now at 207-420-2345 or by email at [email protected] for the best stump grinding service in Maine. Our Bandit 2650 grinder About Us Sylvester Stump Grinding ...
Well, as I described the mirror blank and tool got stuck. One of the centering bolts sure applied some pressure, resulting in this fine (is fine the correct term here?) damage, which is 45 by 23 mm in size (1.8 by 0.9 inch). Sigh. After a total of about 5 hours on the machine the tool wore out.
Mirror grinding machine runout ATM, Optics and DIY Forum. Feb 21, 2015· Page 1 of 2 -Mirror grinding machine-runout - posted inATM, Optics and DIY Forum: I am in the process of making a fixed postmirror grinding machine, big enough for a 20 inchmirror. I have now got the motor, pulleys, two shafts and turntable all together and working.
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Step 5: Start Grinding You can now start the real work. Put some wet coarse grit on the tool and start rubbing the glass on it. The stroke here is the chordal stroke. After a few strokes, turn the mirror in your hands and walk around your polishing station the other way. This ensures a good randomization of the courses and prevents cyclic errors.
The Page Description. Metallographic Grinding Machines Polishing Machines ATM Grinding and polishing is the final stage in the sample preparation process and consists of several steps Each step uses finer abrasive than the previous one, the ultimate goal being to produce a deformationfree, scratchfree and highly reflective sample surface The sample may,...
We made our own draper style machine capable up to 32" mirrors (the blank you see here is a 12.5"): Attached Thumbnails #12 Stefan Rostyne Apollo Posts: 1,037 Joined: 19 Oct 2004 Posted 30 October 2007 - 12:06 PM We use a diamond grinding wheel for hogging out. It yields a sferical curve at once, here you see us grinding an 18" blank down to f/4.5
I've read the grinding noise could be coming from the ball bearings in the wheels, but it would make noise even while pulling the clutch in and not accelerating, tho accelerating allegedly exacerbates the symptoms of shot ball bearings. I've checked the rear wheel which shows no signs of ware. What I noticed however, while rotating the rear.
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Mirror Grinding Machines - an Astronomy Net ATM Forum message. ATM Forum Message. Forums: ... Howdy, I am going to be joining the ranks of retired people on 12/31,and I am thinking about grinding another mirror. My first mirror is an 8"/f5 that was done by hand. Since then I had to have surgery on my right shoulder,so I am wanting to build a ...
Mar 06 2006 · Making a homemade mirror grinding machine posted in ATM Optics and DIY Forum I want to make a motorized mirror grinder any good info on this i have a couple geared motors low speed high torque One more question will 1 12 shaft ...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone crusher and other sandstone equipment;Ball mill ...
Grinding Machine Elgin Style Grinding Machine. … The turntable, at approximately 24 volts, runs at 33 rpm with the 6.5" mirror and 10 pounds of weight and 24 rpm around 18 volts. Mirror grinding machine - Activity Stream - The Home Shop … Mirror grinding machine Have any of you ever built one of these? …
Page 1 of 2 - Alternatives to cerium oxide - posted in ATM, Optics and DIY Forum: I cant afford to buy cerium oxide anymore. ... BTW what is a good ratio of cerium oxide to water for initial (fast) polishing ? Back to top #21 saemark30 saemark30. Surveyor 1..
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Sep 23 2012 nbsp 0183 32After hogging the mirror blank to depth the rough grinding stage begins In this video I am grinding with 60 90 grit Telescope Mirror Making ...
Mirror Grinding Machine - ATM, Optics and DIY Forum Sep 29, 2010 Mirror Grinding Machine - posted in ATM, Optics and DIY Forum: I have some interest in building a grinding machine for possible up to an 18 mirror, but something that will also do a 6 or 8 mirror. I have plans for the Mir O Matic but would like to do something a bit more modern.
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Gordon Waite shows you the 3-phase motor and VFD (Variable Frequency Drive) that he is installing on the computer-controlled mirror grinding and polishing machine he is building. The...
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Grinding & Polishing Machine Saphir 550 / Rubin 520 Working wheels: ø 200 - 300 mm Single / central pressure: 6x ø 50 mm Programmable memory for reproducible results Dosing system (option): 6-fold Single wheel unit Product details Grinding & Polishing Machine Saphir 560 / Rubin 520 Working wheels: ø 200-300 mm Single / central pressure: 6x ø 50 mm
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The one that is Baldor type is hooked up to a double worm reduction box that slows the 1725 RPM down to 11.5 RPM. Last winter I used the motor and gear box with the shaft sticking straight up and a crank on it and a connecting rod and a mirror mount to make a crude mirror grinding machine. connecting ____rod______
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13K subscribers Gordon Waite sets up his fixed-post mirror grinding machine to begin rough grinding on an 11" f/4.3 telescope mirror. He uses a grinding tool made from dental plaster...
Traditionally, mirror makers used a wooden barrel, and phrases like "Walk around the Barrel" are still in common use by ATM's. But few use wooden barrels anymore. Steel or Plastic 55 gallon drums are the current best approximation: a plywood work surface is fastened to the top and the barrel can be partially filled with water to give it ballast.
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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.
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The Kutter Schiefspiegler. Yolo Telescopes. Grinding Glass. An ATM's Grinding Barrel Top. Grinding Your Telescope Mirror. Polishing Your Telescope Mirror. Glass Notes. Grit and Microgrit Grading Conversion Chart at READE. Making a tile on plaster tool.
Sep 29, 2010 Mirror Grinding Machine - posted in ATM, Optics and DIY Forum: I have some interest in building a grinding machine for possible up to an 18 mirror …get price tut44 Making A Mirror Grinding … build a mirror grinding machine - ekliefkrismis.co.za. May 15, 2013 Here is the project file (source code).
ATM Mirror Grinding Machine Mark II (under construction) to Part 2 Well, the Mark I with automotive type wiper motors (12V DC) didn't work, so something else was required. Since EBay offers a lot of material that is suitable and available at reasonable prices, I changed for 3-phase 230V 50Hz AC gearmotors, which can be controlled by frequency ...
