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Mirror grinding machine construction log Mirror grinding machine construction log I started thinking about building my own mirror grinding machine several years ago. Having been on the ATM list now since almost the beginning of it here on the web, I had lots of of inspiration reading of others projects and viewing their webpages. Get price
Feb 14, 2016· Making a 33 cm f/4.8 mirror on the Mirror-o-Matic 6: polishing the surface with a pitch lap - Duration: 9:12. Jan van Gastel 1,816 views
May 12, 2007· Wow - that mirror o matic was going fast wasn't it?! The Draper machine was going at the rate that I remember David Sinden's machines went. He had one of those that he built for 18" plus mirrors, but his beam arm was much bigger - 2 or 3 meters long to minimise side to side movements.
Nov 01, 2011· Basically there are two types of grinding/polishing machine. The 'traditional' type which involves the mirror rotating at a relatively slow speed, a few rpm for a big mirror (16-20 inches) with the tool moving across the mirror, from side to side, at a higher rpm depending on the size of the mirror and/or tool. ... Fixed post mirror grinder ...
grinding-machine was contrived, and experiments were made with three 151-inch glass disks, as well as with some smaller ones. Three mirrors of the same focal length and aperture, Dr. Draper says, are almost essential in working, for it not infrequently happens that two in succession will be so similar that a third is required for at-
grinding-machine was contrived, and experiments were made with three 151-inch glass disks, as well as with some smaller ones. Three mirrors of the same focal length and aperture, Dr. Draper says, are almost essential in working, for it not infrequently happens that two in succession will be so similar that a third is required for at-
henery draper mirror grinding machine . The Draper type machine was first developed by Dr. Henry Draper in the mid 1800s. . The polishing process is slow and designed to produce a ripplefree and sleekfree . It is a true double pass test and the mirror surface is very accurately. €????
Oct 23, 2017· One large item we have is a mirror grinding machine. It is a Draper style machine. It was built by Allan Mackintosh. You may recognize the name. Allan was the author of the well known "Advanced Telescope Making Techniques" books still in print today from Willmann-Bell.
200mm Heavy Duty Bench Grinder with Worklight (550W) Heavy duty machine with worklight, designed for use in the garage or workshop. One coarse and one fine grinding wheel, adjustable eye protection shields, spark deflectors, wheel guards and tool rests...
•Grinding and polishing machine •Grinding and polishing tools •Mirror testing techniques •Digital data reduction. ... Tile grinding tool Mirror PC power supply Main arm Skateboard wheels as rollers. ... Draper mode. Machine modes Hypocycloidal mode using 10" sub-diameter polishing tool held
Stellafane External Links provide links to related information on Amateur Telescope Making, Mirror Making, Optics, other Astronomy clubs and local area links to the Springfield, Vermont area.
Feb 16, 2015· Maquina Draper de desgaste e polimento de espelhos para telescópios de até 650mm de diâmetro. Aspecto final da máquina pronta com controle de velocidade.16/02/2015. "Rough grinding is a ...
How I built an edge grinder for telescope mirror blanks. It was very quick and easy. I have been casting my own telescope mirror blanks for a few years now. ... I borrowed a few ideas from the Mirror-O-Matic mirror grinding machine, particularly how to mount the turntable on top of the pulley. Anyone building machinery for cold-working glass ...
Zeiss-type machines : A production of the famous ex-East-German firm, this machine looks very much like the off-set Draper-type machine (see figure G). It too has two eccentric sheaves but each arm (1 and 2) is directly connected to the drive pin of the lap, creating strokes that are slightly different from the other machine.
For knife making tasks such as bevel grinding, profiling, and most initial knife development steps, the 2" by 72" is the far better choice. Four times the work surface, and more motor power, equals faster knife creation with the same amount of material ground. There .
Sep 14, 2007· Grinding Machine Type - posted in ATM, Optics and DIY Forum: Hy guys,Id like to realize a grinding/polishing machine with the following specifications:- max blank diameter: 400mm (16" circa)- min blank diameter: 125mm (5" circa)- capable of grinding convex and concave surfaces (lenses, mirrors, Mak correctors)Considering ease of fabrication (but I have a lathe and a milling machine), grinding ...
Oct 23, 2017· One large item we have is a mirror grinding machine. It is a Draper style machine. It was built by Allan Mackintosh. You may recognize the name. Allan was the author of the well known "Advanced Telescope Making Techniques" books still in print today from Willmann-Bell.
200mm Heavy Duty Bench Grinder with Worklight (550W) Heavy duty machine with worklight, designed for use in the garage or workshop. One coarse and one fine grinding wheel, adjustable eye protection shields, spark deflectors, wheel guards and tool rests...
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. The machine can also work smaller mirrors if the drip pan is moved to the fast shaft on ...
Mirror grinding machine construction log I started thinking about building my own mirror grinding machine several years ago. Having been on the ATM list now since almost the beginning of .
draper design mirror grinder – Grinding Mill China draper design mirror grinder [ 4.7 - 5684 Ratings ] The Gulin product line, consisting of more than 30 machines, sets the Mirror Grinding Machine. draper mirror grinding machine - woodenlace. henery draper mirror grinding machinehenery draper mirror grinding machine.
This particular bench grinding machine compliments small to medium sized jobs for solid maintenance, shape modifications and polishing tasks - and in addition for restorative operation, sharpening or perhaps trimming and shaping etc. ... Draper 100 Piece Mini Bench Grinder + Drive Shaft. ... Pro-Max 200W 6 Inch Bench Grinder Polisher Kit.
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.
A history of polishing machines As often in sciences and technology, Leonardo da Vinci was a pioneer, creating machines for the production of optical devices. Indeed, between 1513 and 1517, he imagined machines to grind and polish telescope mirrors, which, at the time, were made of bronze.
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