It is due to these irregularities that some mirrors make you look thinner and some fatter than normal. If the metal backing on a mirror is scratched or thin in spots, the brightness of the reflection will also be uneven. ... Next, the blanks are put in optical grinding machines, which use abrasive liquid plus a grinding plate to produce a very ...
After fine grinding is complete, the mirror must be polished. It is during polishing that you "figure" the mirror by using a different polishing stroke to change the mirror's spherical polished shape into a parabolic polished shape . See a related tutorial nearby titled, " Making A Mirror .
Telescope Mirrors, Blanks, Secondaries, Grinding Materials, Testers, Aluminising, Making Advice Information. Telescope Mirrors, Blanks, Tools, Aluminising, Testing Materials: HOME PAGE TELESCOPES ... During mirror making, a very high strehl measurement can be case of luck. Testing and correcting the mirror until the sweet spot is achieved.
Sep 26, 2006· Grinding and polishing your own mirrors is a long, arduous process. Instead of lapping the blank by hand, Laurie Hall built this mirror grinding machine from scratch.
Where the 19th Century Art of Mirror Making Meets the 21st Century. The Saint Petersburg Mirror Lab is a small band of dedicated mirror grinders and telescope makers living in the Tampa Bay area of Florida. We offer a mirror making class for interested persons. We strive to create the best mirrors our home brew technology can muster.
Making a homemade mirror grinding machine ATM, . 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.
We are considered to be an exclusive individual, who is actively committed towards offering an optimum quality array of Mirror Polishing clients can avail conventional and new generation mirror polishing machines with multiple grinding and polishing heads which are made available as per the necessities.
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
AstroTel Mirror grinding machine. I made my first mirror grinding and polishing machine over thirty years ago. It used the working principle of the machine illustrated at "A", Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated was fitted to the spindle. Read more
newport glass works, ltd. telescope blanks related products copyright newport glass works,ltd. 1999
Some amateurs actually use grinding machines to cut most of the grinding and polishing time. Figuring is actually the most sensitive part. Machines can achieve a good result for longer focal ratio (f/6, f/8, etc) but hand figuring is probably still the best option, especially for faster mirrors.
Lens Mirror Making • Best lenses and mirrors are both made by grinding the surface • Start with a mirror or lens blank • For mirrors only surface needs to be good • Typical mirror want pyrex (eg BK7) • Then need a tool blank – poorer glass softer glass • Place mirror on top tool
Diamond generator for hogging out mirrors the blue is the angled cutter: Primary Mirror. The primary mirror at f/3 required a lot of glass to be removed to reach the correct depth. Even with a grinding machine this is laborious to say the least. To get over this problem Brian built a diamond generator. This can hog out deep mirrors in half an ...
mirror grinding machine ... 2013 . this is my nearly completed fixed post mirror grinder. still some work ... I started thinking about building my own mirror grinding machine several years ... Chat Now; telescope mirror grinding machine Newest Crusher, Grinding ... Rough Grinding a 20" Quartz Telescope Mirror on the FixedPost Machine.
This video shows how to setup a mirror grinding machine for fixedpost grinding, also known as spin grinding or spinning. After setup, you'll see how abrasiv. Rough Grinding a 20" Quartz Telescope Mirror on the FixedPost Machine See more. FirstLight: The Story of a Telescope ... Amateur telescope making: telescopes that fold and slide together ...
offers 10,998 mirror grinding machine products. About 1% of these are grinding machines, 1% are glass processing machinery, and 1% are other metal metallurgy machinery. A wide variety of mirror grinding machine options are available to you, such as surface grinding machine, cylindrical grinding machine.
HOW TO MAKE THE GRINDING MACHINE. GRINDING MACHINES – METAL WEB NEWS. TC 9524 Chapter 5 GRINDING MACHINES Grinding is the process of removing metal by the application of abrasives which are bonded to form a rotating wheel. ... Mirror grinding machine – Hack a Day.