US1171174A - Parabolic-mirror-grinding machine. - Google ...
Parabolic-mirror-grinding machine. Applications Claiming Priority (1) Application Number Priority Date Filing Date Title; US86695214A US1171174A (en) : : Parabolic-mirror-grinding machine. Publications (1) Publication Number Publication Date ...
Homemade Telpe Making - Google Search
A table saw covered with layers of newspaper about 1/2 inch thick (to support the mirror and tool) was used as the grinding stand. A "wet" began by spraying the disks with water and smearing a small amount of grit over the tool (or mirror) with my fingers. The mirror (or tool) was then carefully placed on top of the tool (or mirror) and ...
Mirror-o-Matic mirror making machine - ATM pages of ...
The grinding/polishing tool is held in place by the quill of the M-o-M. The end of the quill is comprised of a swivel nut that fits into a socket at the back of the tool . I turn those sockets on my lathe from aluminium and usually keep several of them handy in order not to have to change the sockets during the different grinding/polishing stages.
Mirror grinding machine construction log - James Crombie
Mirror grinding machine construction log I started thinking about building my own mirror grinding machine several years ago. ... And some other views of the setup. The overarm is just resting on the blanks, nothing is glued or pitched together, just posed for the pictures :-)
Engineering Skill II: LAB 3 GRINDING MACHINES
Most conical grinding is performed in the same manner as plain cylindrical grinding. Once the grinding machine is set up, the table is swiveled until the correct taper per inch is obtained. Steep conical tapers are normally ground by swiveling the headstock to the angle of taper. Whichever method is used, the axis of the grinding wheel must be ...
24" Mirror Grinding and Polishing Machine - IceInSpace
I started this thread to record my building progress of a new mirror grinding and polishing machine. This machine will be capable of handling mirror sizes up to 22". I have decided that 22" is the absolute maximum otherwise becomes too cumbersome to move around. I have won 2 x 1/3 horse power single phase electric motors on eBay, at $45 each.
A high quality surface finish grinding process to produce ...
3.1. Grinding method, experimental set-up and conditions A precision grinding with electrolytic dressing process [8] was applied to finish mirrors; figure 2 illustrates the experimental grinding set-up, which was developed in our previous research. A rotary surface grinder, with air hydrostatic bearings for the wheel and work piece spindles ...
Company Overview - Qingdao Rocky Industry Co., Ltd.
Research and technology service: Qingdao Rocky Investment Co., Ltd. is specializing in project operation, new product research, equipment & technology export & service. Based on the professional research and design team, many new kinds of glass products are achieved and applied to meet the market uptrend.
Astro-Tel - Diamond Milling page 1
Mirror Grinding Machine. Mirror Polishing Machine. Small Grinding & Polishing Machine ... used this to design the mirror holding devices on my Polishing stand grinding machine, polishing machine, test bench and mirror cells. ... Fig.2 & 3. and the photograph show the set-up on the Bridgeport Miller for milling the curve in the mirror blanks. It ...
Mirror Grinding Machine
My Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telpe 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, …
Processing Center - BENTELER Glass Processing Equipment
gantry construction allows separate grinding and milling tools access to the complete working width of the glass sheet; Process reliability: complete glass production on highest level of automation: drilling, grinding and milling operations in one machine save time and improve quality with; less handling and set up operations
60-inch telpe mirror blank, photographed in test ...
60 inch telpe mirror blank, photographed in test mirror. Photo taken by C. I. Schrock. A camera on a tripod can be seen through the lens.Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Mike's Telpe Workshop - Mike's World.
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 telpe mirror blank that I made myself.
Parabolizing a 20" Mirror, Part 2: Deepening ... - Pinterest
Rough Grinding a 20" Quartz Telpe Mirror on the Fixed-Post Machine This video shows how to setup a mirror grinding machine for fixed-post grinding, also known as spin grinding or spinning. After setup, you'll see how abrasi...
K.O. B603 Grinder - Help me not make a purchase mistake!
Can I get a decent surface grind (mirror finish) out of it on a 3" flat part? I don't mind if its a little more effort, or has a little less height adjustment accuracy than a proper 2 ton machine. I'd likely use it to just pretty up surfaces that have been milled to get the machine marks out. I'd also use it to true up surfaces on small parts.
Mirror grinding machine-runout - ATM, Optics and DIY …
Page 1 of 2 - Mirror grinding machine-runout - posted in ATM, Optics and DIY Forum: I am in the process of making a fixed post mirror grinding machine, big enough for a 20 inch mirror. I have now got the motor, pulleys, two shafts and turntable all together and working. The turntable rotates at around 25 rpm,which I think should be OK. If I put a dial indicator on …
grinding / polishing machine for telpe mirrors ...
Mechanical assembly is complete. The machine could start grinding now. I still need to build the electronics, and then there's painting and finishing.
Mirror Grinding Machine Setup - YouTube
Hybrid-Hindle grinding/polishing machine for telpe mirrors and lenses.
Telpe Mirror Grinding Machine | Crusher Mills, Cone ...
Mirror Grinding Machine Setup – Best quality! Hybrid-Hindle grinding/polishing machine for telpe mirrors and lenses. My Home Grown 32" F2.4 / F8 / F16 Primary Telpe
Grinding Wheel: A Definite Guide For You (With PDF)
As my previous article of Grinding Machine, I told, grinding is an important operation in manufacturing industry to get a final product, so for that, we need to know about the grinding wheel and its properties so that we easily choose a right wheel for the right material.. I assumed that you already have a brief idea about Grinding Machine. Don't worry! if you not learned yet …
Mirror Grinding Machine (Complete) - India - YouTube
Its a near Mirror o Matic mirror grinding machine.....It runs at 50 RPM fixed, The eccentric has dual speed, 17 RPM & 41 RPM.I built it in 6 months.....Sum...
Making a homemade mirror grinding machine - ATM, Optics ...
Gordon will know more about the math for different mirrors and different sizes. I recall for mine it was about a 70% tool diameter. The bucket Gordon used to make the tile tool was 8 15/16", 70% of 12.5" ends up at 8 3/4". Looking back at my notes I used the tile tool primarily at the 70% zone of the mirror.
Mirror Grinding Machine - ATM, Optics and DIY Forum ...
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. I have some ideas about using a AC drive and a large aluminum disk for the turntable …
(PDF) Electrolytic In-Process Dressing (ELID) Grinding for ...
Experimental setup for ELID grinding of silicon wafer, proposed by Ohmori, H.; Nakagawa, T. Mirror Surface Grinding of Silicon Wafers with Electrolytic In-process Dressing. Ann. CIRP 1990, 39 (1 ...
Mirror-o-Matic mirror making machine - ATM pages of ...
Mirror-O-Matic grinding machine. When I decided in 2009 after a ten-year break to get into mirror making again, it quickly became clear to me that I would need to construct machine, as hand grinding big mirrors is not something very beneficial for the hands of a musician.
Centerless Grinding: Not Magic! | Modern Machine Shop
The enabler for this is the application of CNC and servomotor technology to the centerless grinding machine. With electromechanical actuation of slides, dressers and truing attachments, setup of the centerless machine is a much less …
Okamoto NC & CNC Grinding Machines | Surface, ID/OD ...
Cylindrical Grinding Machines. For accurate, rapid rounding and shaping the outside surfaces of a workpiece, Okamoto offers three options of precision cylindrical grinding machines to help streamline your O.D. grinding process. The automatic, economically priced, easy-to-use OGM-20UDX is a must-have all-round O.D. grinding machine.
Metal polishing machine - All industrial manufacturers
Innovative machine for surface preparation and mirror polishing process on straight and bent tubes with special belts carrying liquid polishing paste. ... grinding machine. ... maintanace-free induction motor and no-voltage activator industrial setup for long-time works high quality and low vibration cast iron housing.
Lapping and Polishing Basics - South Bay Tech
Flexibility in speed control allows the instrument to be used as a grinding machine, high quality lapping machine, or polishing machine. During grinding high speeds are required, whereas lapping and polishing applications ... Below is an image showing the Model 920 with a typical setup for lapping. Figure 1: Model 920 Lapping and Polishing ...
US20160236369A1 - Blade sharpening system for a log saw ...
A blade sharpening system for log saw machines is provided. An example multiphase grinding wheel has a grinding face with one or more abrasive concentric rings for sharpening the cutting blade of the log saw machine, and one or more padded concentric rings consisting of fiber padding. Sharpening with the multiphase grinding wheel improves cut quality, increases …
Rough Grinding a 20" Quartz Telpe Mirror on the …
This video shows how to setup a mirror grinding machine for fixed-post grinding, also known as spin grinding or spinning. After setup, you'll see how abrasi...
Making the 20 inch Conical Mirror | Pierre Lemay
To do these operations I built a grinding machine which would be used throughout the project. My grinding machine, shown in these pictures, was based on Dilworth's grinding machine seen in the Nov-Dec 1977 issue of S&T: The grinding machine has three spindles. The right spindle is the one on which the mirror is mounted.
Mirror surface finishing of hardened stainless steel using ...
The experiment was carried out by the basic groove cutting as shown in Fig. 4 (a) and setup on Toshiba machine Co., Ltd ULG -100 (H3) as shown in Fig. 4 (b). The spherical PCD tool with a diameter of 1 mm and tool shank diameter of 6 mm is chucked to the air spindle that moving in the Y …
fixed post mirror grinding machine
Mirror Grinding Machine Setup - World News Rough Grinding a 20" Quartz Telpe Mirror on the Fixed-Post Machine, Mirror Grinding Machine Setup, Using the Fixed-Post Grinding Machine for Rough Grinding an 11 ...
Grinding and Polishing Guide | Buehler
Grinding and Polishing Guide. Grinding should commence with the finest grit size that will establish an initially flat surface and remove the effects of sectioning within a few minutes. An abrasive grit size of 180-240 [P180-P280] is coarse enough to use on specimen surfaces sectioned by an abrasive wheel. Hack-sawed, bandsawed, or other rough ...
How I make Telpe Mirror Blanks - mdpub
Here is a blank with the rough edge ground down and trued up. It only takes a few minutes on the grinding machine I built for the job. Here is the super simple grinding machine I built to true up the edges of the blanks. It is just an angle grinder with a …
Double Polishing Price, 2021 Double Polishing Price ...
Double Polishing Price - Select 2021 high quality Double Polishing Price products in best price from certified Chinese Double Stainless Steel manufacturers, Polishing Material suppliers, wholesalers and factory on Made-in-China
Ronchi Matching Test - BBAstroDesigns
It's easy to setup, easy to see, easy to understand. Dennis Rech's comments, inventor of the Mirror-O-Matic mirror grinding machine 'When someone asks me to look at their mirror, I have them send me the parameters of the mirror and then I use a Ronchi program to show them what the Ronchi pattern should look like.