mirror grinding machine setup

Mirror Grinding Machine Setup - YouTube

Jun 19, 2009 ... Hybrid-Hindle grinding/polishing machine for telescope mirrors and lenses.

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Rough Grinding a 20" Quartz Telescope Mirror on the ... - YouTube

Mar 6, 2010 ... 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 abrasive and water are applied, and how the grinding action is driven. Then the swarf or sludge is removed from the still-running machine and the cycle is...

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Using the Fixed-Post Grinding Machine for Rough Grinding an 11 ...

Feb 16, 2014 ... 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 and steel pieces to speed up grinding. Gordon shows the setup for spin grinding at high speeds and with added weights to get the job done...

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Making a mirror with the Mirror-O-Matic - YouTube

Oct 29, 2007 ... It's an automatic mirror making machine that takes the "caveman" work out of ... ... With your tool, what is the maximum radius of mirror you can make and what is the longest focal distance that mirror can be (naturally the longest the better)? Have you tried these maximum settings and had good results? .

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Most Recent Operations Manual - Mirror-o-matic.com

May 2, 2002 ... This operation manual will in no way teach you how to make a mirror. It is only a rough guide for speeds and techniques. If Mirror-o-Matic users will send details of their successes and failures, I will gladly post them on the Internet for the benefit of others. Machine grinding and polishing is almost always...

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Mirror-o-Matic mirror making machine - ATM pages of Berthold ...

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 ... Also, to switch from grinding/polishing configuration to figuring operations, the motor block is simply turned around in order to invert the speed ratios between...

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Mike Lockwood Telescope Making Mirror Making

Telescope Making. *TELESCOPES PAGE* · How I got started in ATM. Optical Equipment. Pitch tester, Strain testing setup, Mirror test stands, Spherometers, Slitless Foucault testers, Interference test setup, Small grinding machine, Large grinding machine. Optical Articles, Tables, etc. Figuring with a full-size lap

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mirror grinder page - James Crombie

I started thinking about building my own mirror grinding machine several years ago. Having been on ... I had to install a weight on an extention attached to the motor mount to keep enough tension on the belts, ... July 22, 2003 Machine settings - Platter set at 15rpm - Overarm speed - 6 strokes per min (fixed), Stroke+/- 2.375"

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Making my own fixed post mirror grinding/polishing machine - ATM ...

Feb 14, 2015 ... Page 1 of 2 - Making my own fixed post mirror grinding/polishing machine - posted in ATM, Optics and DIY Forum: Hey guys. Im thinking of making my own fixed post mirror grinding/polishing and curve generating machine. Ive got loads of questions regarding the design so Ill just start firing away Do I need...

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How I built an edge grinder for telescope mirror blanks. - MDPub

Building a grinder to true up the edges of glass mirror blanks cast in a kiln. ... 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 ... After the epoxy set up, the shaft was inserted through the collar bore. The 14 inch...

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Grinding Machines - BENTELER Glass Processing

The BENTELER flat glass grinding machines convince due to their optimal grinding results based on precision, speed and process reliability. All machine types satisfy with short set-up times because of rapid width and automatic glass thickness adjustment. BENTELER offers the right solution for flexibility, reliability and short...

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Dick Parker's Telescope Mirror Workshop: Cassegrain Telescope ...

The Cassegrain optical configuration was first defined by Laurent Cassegrain around 1672, a French Catholic priest who taught science classes at the College de Chartres, a high school level institution The Cassegrain configuration is a .... I did not have a lens grinding machine and it is not necessary if you do not have one.

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Joy of Mirror Making: Introduction - Mel Bartels

Pounding, scraping, knapping, grinding combined with fire, heat, melting leads us today to grinding telescope mirrors from glass. Making a telescope mirror is one of the most satisfying and sublime joys you will experience. It's also arguably the most accurate surface made by man or machine. If the mirror is expanded to the...

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Astronomy Options | Astronomy, Mirror Making, Telescopes ...

Aug 29, 2016 ... Doing some research, I found this is likely due to not having the lap in the ideal location in relation to the mirror on the fixed post machine. Typically, it is best to have the .... I'm very impressed with how much manual labor can be taken out of making a mirror with a grinding machine. The methods used here...

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SkyBadger - Mirror Grinding Machine

I have a Mirror-o-maticmirror making machine that I swapped with MikeMS for a Newtonian telescope that was no use to me. With this I have so far ... To setup for a grinding session I needed to provide the mirror mount to hold the mirror on the grinding base and the tool to hang off the eccentric drive arm. The mirror mount I...

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Careers.org | Grinding, Lapping, Polishing, and Buffing Machine ...

Occupation Profile for Grinding, Lapping, Polishing, and Buffing Machine Tool Operators. Set up, operate, or tend grinding and related tools that remove excess material or burrs from surfaces, sharpen edges or corners, or buff, hone, or polish metal or plastic work pieces.

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Constructing grinding and polishing machines - SAO/NASA ADS

Introduction Mirror or lens grinding by hand can be a labour of love: great fun at first but thereafter a chore if the pastime is to be that of a telescope maker, rather ... Whereas Nichol's machine is a radical departure from the original design, Wall has used machines in the pure Hindle configuration and, latterly, a slight variant...

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Centerless Grinding: Not Magic! : Modern Machine Shop

"This is the primary starting point for most centerless grinding setups," says Mr. Payne. Most centerless grinding machines give the distance from the top of the lower slide to the centerline of the grinding wheel and regulating wheel as one of the specifications. For example on Cincinnati's DE model centerless grinders, this...

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Making a tachometer for a grinding / polishing machine for telescope ...

Feb 14, 2016 ... When making a telescope mirror on the machine, two parameters are important: the rotation speed of the mirror, and the rotation speed of the overarm eccentric. ... On the rotating element, install a transparent disk with a pattern on it that will interrupt the infrared beam as the disk is rotating: Look at the end...

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Mirror Finish (16 oz.) – Pro-Blend

The answer to grinding titanium, stainless, Stellite, Inconel or other valves. Doubles equipment life. Pour one can into two quart Valve Grinding Machine. One good set-up is Sunnen's VR-603 Wheel and MB-30 oil. Eliminates wheel loading, sparking and chatter. NOTE: For exceptional surface quality, add 3 cans to CK-10...

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Hard Turning as an Alternative to Grinding : Production Machining

Polished mirror surface finishes of Rz=0.3~0.8z that can be achieved through grinding are not possible by hard turning alone. ... Additionally, several types of grinding machines may be needed to perform the operations able to be performed on a single turning center, further opening the possibilities for equipment cost...

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Accurate - - ANCA

Accurate. Traditionally, drill grinding has had different accuracy requirements to endmill grinding. Because drill blanks are usually pre-ground to OD size on a blank preparation machine, the accuracy focus during grinding is usually on the drill's run-out specifications; lip height variation and lip-to-lip distance rather than on...

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Orbital polishing machine with independent motors - LPC 300 ...

Further STANDARD EQUIPMENT supplied with the grinding machine are: feed speed adjustable with “inverter” equipment complete of digital display for direct reading, motors voltage 400V/50Hz, n°4 abrasive belts in different grits, service keys, instructions book and CE conformity declaration. Examples of workable items.

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Case Study Cranfield University High-precision inspection for the ...

mirror segments to the accuracy required. Cranfield's BoX (Big OptiX), ... the part and performs some in-process measurement. The Leitz PMM-F is then used to validate the grinding and measurements done by the Cranfield BoX machine.“ Super accurate ... are looking at a configuration using a standard Fanuc 5-axis robot...

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Centerless grinding machine RPS 374 - Loeser GmbH ...

8 Station Metal finishing machine with 6 belt heads for final finish of 1500 grit prior to patented angle buffing with 2 stations. Magazines for part diameters 10 -100 mm. 6 Station mirror buffing tube line with 4 polishing and 2 buffing heads. Ideal configuration for low and medium production quantities. Typical configuration for...

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Telescope Making - Wikibooks, open books for an open world

3 Making the Optics. 3.1 Mirror Materials. 3.1.1 Glass Objects; 3.1.2 Avoid Tempered Glass; 3.1.3 The Scavenger's Sagitta. 3.2 Other Parts You Need .... A shorter telescope is easier to move, easier to store, easier to set up for use. There is ... I will grind and polish a shorter focal length mirror and a longer focal length mirror.

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List of Job Titles - Glass forming and finishing machine operators ...

Nov 15, 2017 ... The following list represents the list of common job titles that belong to the grouping: Glass forming and finishing machine operators and glass cutters (NOC ... glass forming specialist; glass furnace operator; glass furnace setter-operator; glass furnace set-up operator; glass grinder; glass-grinding machine...

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Shinko, we are proud to be able to deliver mirror finish grinding to ...

The Story of Shinko. Shinko is a machine manufacturing company that was set up in 1946. As a team with advanced technical skills and abilities, in the 65 and more years since our founding, we have received requests for the development and manufacture of custom equipment from all kinds of companies. In his young days...

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Tools to Assist in Making Lenses. - Bob May's Astronomy Site.

There are three tools that are really needed for making lenses that you don't need for just making mirrors. The first is an edge .... I won't go deeply into the grinding machine as there are good instructions already for this machine and it is a very useful machine for grinding and polishing glass. I'm merely going to be showing...

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Lathe Grinding Polishing

We set up and use the grinding and polishing machine with high precision for items that require precision in metal machine parts. The grinding machine is less than 2,450 diameter x 10,000L in size, the mirror finishing machine is less than 2,300 diameter x 10,000L in size and there are about 45 of them available to match...

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1 Meter Mirror - Spectrashift.com

The grinder was purchased as government surplus and is a 60's vintage machine in excellent working condition. Here is a picture of us loading the 900 lb blank on the grinder. The optical layout - all components are spherical. Mirror update 3/9/01. An instrumentation tower was fabricated to hold the optical test equipment at...

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Herb's Glass & an 8-inch mirror - RetroTechnology.com

Mirror Work on this page. Setup and Grinding Fine Grinding Scratch remediation I Polishing pads I Scratch remediation II a careful fine session Polishing pads II Pitch tool setup. Pitch tool use. Figuring #1 .... Matthew Fuchs' telescope and Marc Siblia's grinding machine are on display. Nov 7-8 2005:I took the mirror at 12...

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Man looks for mirror finish and sees a Studer A long way to grind ...

equipment and labor. G&R Precision's equipment includes 13 grinders, seven of which are manual universal (ID/OD) machines. Two of the grinders are CNC machines from Fritz Studer AG, purchased from United Grinding (represented locally by. Machine Tool Systems Inc.) Mark bought the shop's first CNC, a Studer Eco.

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Wooden Telescope Part 1: the Mirror: 14 Steps (with Pictures)

A good mirror will show you details on the moon, planets and deep sky objects whereas a poor quality mirror will only give you blurry views of the skies. A telescope mirror requires an extreme surface precision. However, you will see that this quality is most of the time best achieved by hand rather than machine polishing.

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Mirror Making Machine - Alibaba

Alibaba.com offers 11655 mirror making machine products. About 1% of these are glass processing machinery, 1% are other metal & metallurgy machinery, and 1% are metal coating machinery. A wide variety of mirror making machine options are available to you, such as glass coating machine, glass cutting machine, and...

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Making the 20 inch Conical Mirror | Pierre Lemay

The grinding machine has three spindles. The right spindle is the one on which the mirror is mounted. It spins at approximately 2 RPM. The central spindle controls the back and forth movement of the grinding/polishing tool. It's stroke can be adjusted by sliding the crankset pin radially. The left spindle can also be used to...

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Twin Belt Grinding Machines | Grinding Machines | Machines ...

Bohle twin belt grinding machines are used for efficient arrissing of glass panes. These machines are available in diverse dry and wet grinding mod...

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home made mirror grinding polishing machine detailed plan

manual book grinding machine - Newest Crusher, Grinding Mill. home made grinding machine, homemade telescope mirror grinding and polishing machine home made grinding machine. plan of grinding machine;. Read More...

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This list is for discussion about the "Mirror-o-Matic" telescope mirror ...

This list is for discussion about the "Mirror-o-Matic" telescope mirror grinding machine, as developed by Dennis Rech. ... Group Settings. This is a public group. Attachments are not permitted. Members cannot hide email address. Listed in Yahoo Groups directory. Membership does not require approval. Messages from new...

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Grinding,Polishing and Figuring - Part 2 - Polishing

Holding the mirror: Don't let your fingers touch the bevel of your glass while rotating the mirror during grinding and polishing. When you ..... Normal machine polishing techniques are not as efficient as hand polishing in these sizes. But don't .... Begin by setting up to test the mirror with a 100 or 150 line Ronchi screen. This is...

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