mirror grinding quality

Stellafane ATM Main Page

A 400 mm (16") mirror is practically impossible to find under 2000 € in Europe . Past the 12" (300 mm) size, grinding your own really pays off. Or, you want to make a super precise, highest quality mirror in the 150-200 mm size.

Gryphon Grinding Bits - Gryphon Corporation

Gryphon Grinding Bits . Gryphon is proud to be able to offer a line of high quality grinding for all standard glass grinders. Gryphon offers a choice of its innovative Slip-On bits, or traditional bits.

POLISHING OF MOULD STEEL - uddeholm.com

with mirror finish the preparation process must involve several grinding and diamond polishing steps and these have to be performed in a clean workplace. The use of proper working tools facilitates the process a lot. High surface finish reduces the risk of local corrosion and fracture or cracking due to temporary over load-ing or pure fatigue.

Jamar Precision Grinding - Precision Grinding, Machining

We are an AS9100 / ISO certified precision grinding company that specializes in production or high volume precision grinding. Our modern facility has over 24,000 square feet and is climate controlled. We have a strong presence in the Aerospace and Automotive industries, but service many industries.

Grinder master teaches you mirror finish grinding ...

Fourth, the defects and measures that are easy to produce when mirror finish grinding Mirror finish grinding on a surface grinder often results in defects such as surface ripples, burns, scratches, patterns, and wear scars (filaments). For these problems, the following measures can be taken:

Stellafane ATM: Grits, Polish & Pitch

Polishing Compounds are used with a Pitch Lap to polish and figure a mirror. The polishing compounds embed themselves into the pitch to make an abrasive surface that, due to the characteristics of the pitch, can conform to the glass surface and produce optical quality surfaces.

Common Glass Edge Treatments | Abrisa Technologies

Edging is done for safety, cosmetics, functionality, cleanliness, improved dimensional tolerance, and to prevent chipping. Edging is generally described as a grinding process used to remove the sharp or raw edge of cut glass. The most common edge treatments done at Abrisa Technologies are:

tut44 Making A Mirror Grinding Tool - asterism.org

Making A Mirror Grinding Tool By Allen Malsburry The average person would never think, "I can make my own ... Even though this was my first mirror, its optical quality is two to three times better than the average mirror found in an imported telescope of the same size. Most amateur telescope makers (ATMs) build a Newtonian telescope, ...

5 Top Tips in Buying Quality Mirror - blog.mirrorlot.com

Aug 01, 2013· Mirror silvering is the coating, usually silver nitrate and other chemical compounds, in one side of the glass. Quality mirrors have a high quality, thick coating of silvering. Tip #2 – Get accurate measurements. Before you go to the home decor store or to your local mirror retailer, make sure you have with you the correct measurements of the ...

diy grinding high quality telescope lens - allhandsondeck.nl

Mirror grinding Telescope making. 2007-2-13 · In some countries telescope mirrors are unavailable, so they need to be imported, at high shipping, customs, and tax cost. A 6" (150 mm ) or 8" (200 mm) standard quality mirror will be cheaper if bought ready made. 250 mm (10") probably too.

Newport Glass Works, LTD. Grinding, Polishing and Figuring ...

Placing the mirror face up and grinding with a moderate "W" stroke will also move the curve toward the edge, and tends to produce a more spherical surface. Leaving the mirror grossly hyperbolic will make fine grinding difficult. Fine Grinding . We've all heard stories about fine grinding taking hundreds of …

Build your own telescope part 1: The mirror – Thomas ...

Another surprising advantage is that hand made optics (if guidelines are followed) tend to have a higher surface quality than the mirrors polished by industrial machines. Building a reflector telescope can be decomposed in 2 steps: make the mirror and build the tube/mount. ... Rough grinding. This step is about making one side of the glass ...

How I built an edge grinder for telescope mirror blanks.

How I built an edge grinder for telescope mirror blanks. ... 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 should have a look at the MOM web site and plans. ... since the glass didn't have time to get hot ...

Mirror Polishing & Plating Co. Inc. - Home - MPP

Mirror Polishing & Plating Company Inc. (MPP), was founded in 1954, and from the first day of operation has continued a relentless drive to the highest standard of service throughout its history from one generation to the next.

Making a homemade mirror grinding machine - ATM, Optics ...

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 1/2 shaft size pillow block bearings work good for a homemade EQ mount? Thank you, John

telescope mirror grinding machine - YouTube

Jul 28, 2019· This video is unavailable. Watch Queue Queue. Watch Queue Queue

Ed Grinds a Mirror - scopereviews.com

May 28, 2000· The Grinding Guru takes a few strokes on my mirror "It's not bad," he says After a few hours of this, I get my first taste of what this work is all about. We take my mirror outside and reflect an image of the sun onto a piece of paper. I see a white round disc with clearly-imaged clouds rapidly moving across the surface.

Mirror grinding | Hacker News

Mar 10, 2017· Grind the exposed surface flat, which is a quick and easy thing to do accurately. Release the vacuum, and out pops a piece of glass that is a high-quality corrector lens. As a kid, I can remember many weekends when my dad was out in the garage grinding lenses and refining the idea.

Making a Mirror grinding & Polishing machine - ATM, Optics ...

Mar 16, 2015· Page 1 of 5 - Making a Mirror grinding & Polishing machine - posted in ATM, Optics and DIY Forum: Hello, I am on the half of the way to make a mirror grinding machine inspired by original M-O-M design. I made the pulley arrangement such a way that, both the turn table & eccentric spins at 50 RPM fixed. I wont go for making mirror bigger that 10.5 (or max 12).

Study on ductile-mode mirror grinding of SiC ceramic ...

An elliptical torus-shaped diamond wheel is proposed to perform a freeform axial-feed grinding of SiC ceramics. In elliptical form-truing, a new mutual-wear between rotary grinding wheel and fixed dresser is developed to produce an elliptical wheel-profile along elliptical interpolation paths.

SHOP] [The BEST] Telescope Mirror Grinding Stand ...

Best reviews of Telescope Mirror Grinding Stand woodworking plans toys ♣. Be stand intensely nice Telescope Mirror Grinding Stand woodworking plans toys . and web store for each and every occasion.Order now for the supreme way of Telescope Mirror Grinding Stand woodworking plans toys with shop nearby your home.You can securethis item withlow-cost price from online shopping web site.

Moulding Knives, Templates, Molding Catalog by Mirror ...

Mirror Reflections is a moulding knife design and manufacturing company that produces some of the finest quality molding knives, profile templates and CAD (computer-aided design) drawings in the woodworking industry.We are a reliable resource for superior quality cutters for the moulder or shaper and acrylic templates for profile knife grinders.

Obsession Telescopes / Optics

OMI and Ostahowski Optics mirrors have the highest optical specs on the market because they continuously invest in improving their quality control process. In the professional optics market, interferometry is the last word in quantifying the quality of an optic.

Mirror - Wikipedia

A mirror is an object that reflects light in such a way that, for incident light in some range of wavelengths, the reflected light preserves many or most of the detailed physical characteristics of the original light, called specular reflection.This is different from other light-reflecting objects that do not preserve much of the original wave signal other than color and diffuse reflected ...

Gryphon Grinding Bits - Gryphon Corporation

Gryphon Grinding Bits . Gryphon is proud to be able to offer a line of high quality grinding for all standard glass grinders. ... 1" and 3/4" Mirror Grinding Bits, 3/4" Tapering Bit, 1" Groove Bit, and 1/4" and 1/8" Grinding Pins. Many of these bits are offered in …

Mirror, mirror | symmetry magazine

After more than six years of grinding and polishing, the first-ever dual-surface mirror for a major telescope is complete. In March 2008, a group of people gathered around a giant, red oven in a six-story workshop space beneath the bleachers of the University of Arizona football stadium. The oven ...

REFLECTOR TELESCOPE KITS—You - Vintage Projects

REFLECTOR TELESCOPE KITS—You will note that there are two lists of parts printed on these pages. There is an economy kit of parts for around $27 and another kit, illustrated here, for $150. Why the large difference? Primarily, it is the difference between buying a finished para­ bolic mirror and grinding …

Large Homemade Telescope Making Project

Any dimming or brightning of the light indicated that the grinding was not uniform. Total time spent beveling the edge of the mirror, grinding the mirror, and cleaning up between grits was about 90 hours over a two and half month period (about 1 to 2 hours of work a day). Again, I did about twice as many wets as called for to grind the mirror.

Joy of Mirror Making: Fine Grinding - bbastrodesigns.com

The goals of fine grinding are to prepare the curved mirror face so that it is ready for polishing and figuring and make any adjustments of the focal length. Previously in rough grinding we deepened the center of the mirror's face either by grinding with coarse grit and a tool, slumping in a kiln over a mold, or purchasing the glass pre-generated.

Waite Research :: Home

Renegade Telescope Named Star Product Astronomy Magazine named the Waite Research Renegade telescope one of the top astro-wares in 2015. For more information on Waite Research premium mirrors and telescopes, please email or give us a ring. Call 732-977-2744 Blog Posts

Joy of Mirror Making: Polishing - BBAstroDesigns

The Joy of Mirror Making Mel Bartels ... Here is a 25 inch mirror on top of the fine grinding tool with pads applied. And here is the result after 5 hrs of machine polishing starting from a 20 micron aluminum oxide grind. Note that the edge is not as reflective. ... The greatest impact on mirror surface quality is your technique: heavy smooth ...

How are Mirrors Made? (with pictures) - wisegeek.com

Aug 04, 2019· brackets at the top, with 1/8 blocks at the bottom for the mirror to sit on. While trying to find which is better, gluing or bracketing, I came across a web site which said to look at the quality of a mirror. The example listed was a good quality mirror would …

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