elgin mirror grinding machine

  • Mirror Grinding Machinesan Astronomy Net ATM Forum Message

    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 grinding machine. I have found some info on the "Elgin" type but understand there is also a "Hindle" type. Can anyone help with more info on building these machines

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  • mirror grinding built68onvlei

    The grinding machine had been built to the design of the mirror o matic design of Dennis Rech ( link ). While the bulk of the components were in place it wasn t finished some linkages were not in place the tool drive arm was unfinished and a few other bits weren t there.

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  • A weld-done finishThe Fabricator

     · Even then a real mirror finish was impossible to achieve and a high-gloss finish was the best that could be obtained. However two recently developed abrasives have changed the whole process. An abrasive cloth with the grit arranged in a pyramid structure provides aggressive grinding yet produces a very fine surface finish on stainless steel.

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  • Auto Body Tools Body Shop Supplies Auto Body Toolmart

    Welcome to Auto Body Toolmart Give us a try and we re certain that you will join the over 50 000 professionals who have made Auto Body Toolmart their tool equipment supply source. Auto Body Toolmart. 2545 Millennium Dr. Unit B Elgin IL 60124. Phone Fax .

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  • Stellafane Links Page

    The Baker Road Inn telephone (802) Springfield VT . Chester House Inn. Springfield Chamber of Commerce. Jay Drew . For the convenience of our readers we provide links to other web sites that offer additional or supplementary information to that provided on our Stellafane website.

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  • Stellafane Links Page

    Grinding Machines A Mirror-O-Matic Machine. 20" Mirror-O-Matic by Atila 24" Machine by Bill Automatic Cerium Stirring Computerized Mirror Making Forum Drapier Grinding Machine Elgin Style Machine Fine Grinding a 20" by Gordon Grinding Machine by Juhani

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  • BIG GRINDING MACHINE- Elgin type 590 Astromart

    BIG Desktop Elgin grinding/polishing machine. Holds mirors 6"32" or up to 42" with larger turntable. Similar to machine in S T article (Nov 1995 p.81). Included if wantedlots of grits compound 18" tile grinding tool 18" pitch polish tool tilting mirror test stand tilting Foucault tester w/ camera mount LED.

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  • Draper Hindle Type Machinesmylightshoe-and-friends.de

     · Henery draper mirror grinding machine. Document sans nomastrosurfastronomie. draperhindle-type machines this is the mother of all machines. its principle seems to have been elaborated by huygens about 1738 and improved by lord rosse and more recently by henry draper an american astronomer.

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  • zambutomirrorgroup groups.io Topics

    Newbie question polsim and mirror grinding on an Elgin style/MoM machine 20 messages

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  • Elgin IL Business DirectoryPage 4 US Business

    Cnc Machine Shops Flywheel Machine Shop Grinding Jax Tool Machine Shops Cnc Machining Machinery Used Gap Lathe Small Tool Rental Tool And Equipment Rental Tool Cutting And Grinding BPT Machines Inc 1330 Crispin Dr # 202 Elgin IL 60123

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  • BIG GRINDING MACHINE- Elgin type 590 Astromart

    BIG Desktop Elgin grinding/polishing machine. Holds mirors 6"32" or up to 42" with larger turntable. Similar to machine in S T article (Nov 1995 p.81). Included if wantedlots of grits compound 18" tile grinding tool 18" pitch polish tool tilting mirror test stand tilting Foucault tester w/ camera mount LED.

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  • Chicago Sheet Metal Fabrication

    Below is a small sample of some of the work we have done for various customers. You will see that we have built a variety of brackets enclosures weldments funnels housings and covers. These parts were all made from a variety of materials such as stainless steel cold rolled steel aluminum and copper. We are willing to work with a variety

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  • DIAMOND CBN ABRASIVES DIAMOND LAPPING

    Check machine spindle speed and speed listed on machine against safe maximum operating speed marked on the grinding wheel. Do not overspeed the wheel. Refer to the "Proper Grinding Wheel Operating Speeds and Safety" article on page 336 for more information. Flanges When mounting most grinding wheels use flanges of equal diameter and bearing

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  • Chicago Sheet Metal Fabrication

    Below is a small sample of some of the work we have done for various customers. You will see that we have built a variety of brackets enclosures weldments funnels housings and covers. These parts were all made from a variety of materials such as stainless steel cold rolled steel aluminum and copper. We are willing to work with a variety

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  • jeffbaldwin

     · So there are a few machine styles out there. In our shop we use fixed-post grinding and polishing then parabolizing with an Elgin style system. Fixed-post machine grinding is where the mirror is on a turntable rotating around 20 PRM speeds vary and a

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  • brainwagon » Mirror grinding machine

     · Courtesy of Hack A Day here s a pointer to all sorts of telescope making stuff including a nifty mirror grinding machine. I ve got a dual spindle Elgin style machine in my garage that I must admit to my embarrassment that I ve never actually used.

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  • DIAMOND CBN ABRASIVES DIAMOND LAPPING

    Check machine spindle speed and speed listed on machine against safe maximum operating speed marked on the grinding wheel. Do not overspeed the wheel. Refer to the "Proper Grinding Wheel Operating Speeds and Safety" article on page 336 for more information. Flanges When mounting most grinding wheels use flanges of equal diameter and bearing

    Chat Online
  • grinding machine design elementals Archive IceInSpace

    When I hand-ground a mirror once upon a time it wasn t too difficult but that was a 6" mirror. I want to make a machine to grind a 20" mirror. If I remember rightly I circled the circular bench every 10 mins or so (motion A) and each back and forward stroke took say two seconds (motion B).

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  • Document sans nomAstrosurf

     · Document sans nom. Grinding action of a polishing lap Many different factors come into action when a polishing lap is used to wear away glass. So much so that it is illusory to put this action into an equation. Yet in order to understand better how optical surfaces are brought to the correct shape we can identify and study different

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  • Mirror Grinding Machine

     · The two-axis U-joints you see are made of a soft 2"x2" pine which costs about 1.80 for 8 feet. A 3/8" hole and a 3/8" smooth shank hex head bolt makes for a surprisingly good hinge bearing. The catch basin is a 20" dish used for holding potted plants. About 5.00 at Home Depot.

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  • Let the job determine the speedCanadian Metalworking

     · The big thing is choosing the right tool. Say a wheel has a maximum 10 000 RPM. It will work at 6 000 RPM and might give you better performance. And you will get better wheel life. When a shop invests in a grinder/polisher it can run a high RPM for fast material removal then dial down to a lower RPM for the polishing part of a job.

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  • Lapidary Tools Supplies for sale eBay

    Lapidary equipment includes tools such as sanders drills arbors files and grinders. These craftsmen use machines tools and supplies to cut polish and engrave stones seashells gems and more. They skillfully turn rough rocks into shiny rounded cabochons seashells into delicately carved cameos and uncut gemstones into presentable designs.

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  • The Pawn Shop Rolex Part 2 Polishing and Tightening the

     · The polishing didn t remove every last nick and scratch but my aim was to lightly refresh the bracelet without grinding away at the links. After it dried the full bracelet was reassembled with new spring bars and pins. (The two pins were 15 mm by 1 mm and

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  • The Pawn Shop Rolex Part 2 Polishing and Tightening the

     · The polishing didn t remove every last nick and scratch but my aim was to lightly refresh the bracelet without grinding away at the links. After it dried the full bracelet was reassembled with new spring bars and pins. (The two pins were 15 mm by 1 mm and

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  • elgin mirror grinding machineBeaupedia

    Mirror-O-Matic grinding machine. The 54HD-100 has a 54" diameter grinding wheel and 100" diameter magnetic chuck with the ability to swing 126

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  • Let the job determine the speedCanadian Metalworking

     · The big thing is choosing the right tool. Say a wheel has a maximum 10 000 RPM. It will work at 6 000 RPM and might give you better performance. And you will get better wheel life. When a shop invests in a grinder/polisher it can run a high RPM for fast material removal then dial down to a lower RPM for the polishing part of a job.

    Chat Online
  • Mirror Grinding Machinesan Astronomy Net ATM Forum Message

    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 grinding machine. I have found some info on the "Elgin" type but understand there is also a "Hindle" type. Can anyone help with more info on building these machines

    Chat Online
  • grinding machine design elementals Archive IceInSpace

    When I hand-ground a mirror once upon a time it wasn t too difficult but that was a 6" mirror. I want to make a machine to grind a 20" mirror. If I remember rightly I circled the circular bench every 10 mins or so (motion A) and each back and forward stroke took say two seconds (motion B).

    Chat Online
  • Abrasive Machining / Sawing / FinishingToday s Medical

     · The 255 CL Centerless cylindrical grinding machine is designed for high-precision grinding of components made of tungsten carbide HSS ceramics glass and all kinds of steel parts with diameters between 0.5mm to 30mm and plunge lengths of up to 125mm. The grinding and control spindles form equivalent NC axes that are freely programmable.

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  • Industrial Saw Cutting ServicesCenterless Grinding

    We provide the best and most varied centerless grinding services in the stainless steel and alloy industry. We can perform the following processes to ensure that your order is precise and maintains tight tolerance and specifications. Accuracy StockWe have multiple grades available with J9 tolerance for Swiss screw machine requirements.

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  • Stellafane Links Page

    The Baker Road Inn telephone (802) Springfield VT . Chester House Inn. Springfield Chamber of Commerce. Jay Drew . For the convenience of our readers we provide links to other web sites that offer additional or supplementary information to that provided on our Stellafane website.

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