Usach is a United States based manufacturer of high precision ID and OD grinding machines for job shop and production environments. Since then I had to have surgery on my right shoulder,so I am wanting to build a grinding machine. Mirror-O-Matic grinding machine. read more. Gear School Goes Live, Remote, Personal. MIRROR GRINDING MACHINE. A 24" is the largest you can comfortably do solo. … M647 Rotary Cutter Grinding Machine. Amateurs have made mirrors up to 41" by hand. The 54HD-100 has a 54” diameter grinding wheel and 100” diameter magnetic chuck, with the ability to swing 126". About. For a long time I ve wanted to build a machine for grinding telescope mirrors. Therefore we choose the Elgin for the machine type. We predicted in the accompanying brochure: “In the future, gears will be ground which we cannot grind today due to high costs, even though it would be preferable to do so now.” ... South Elgin, IL 60177 (847) 931-4121. Plop is a useful software to let you calculate the number of points needed based on the diameter and thickness of the glass: Dennis Rech s M-o-M designs finally inspired me to just get up and do it. Blanchard 72HD-120 The Blanchard 72HD-120 Surface Grinder is designed for grinding large parts to extremely close tolerances. The M647 offer 6 CNC axes for grinding medical, dental, and industrial rotary cutters. I made my first mirror grinding and polishing machine over thirty years ago. ... Elgin-Waineo machines . News. They also need a more complex mirror cell (additional support points). 1945. My Mirror Grinding Machine. Can anyone help with more info on building these machines? Careers. Mirror Grinding Machine. Education. A bowl which rotated was fitted to the spindle. It will be based on the Elgin machine described in the Maksutov Circulars. Renowned for our expertise and service, we are proud to have long term relationships with multiple major IGT and Aerospace customers. 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. It used the working principle of the machine illustrated at "A" Fig.3, Page 163, "Amateur Telescope Making" Book 1. I was employed for more than 6 years which provided job security, but no room for improvement. 1235 Westlakes … In addition, a great deal of money will be saved: a finished 24" scope will set you back $7,000; grinding your own mirror and building the mount yourself will cost you $2,000. I have found some info on the "Elgin" type,but understand there is also a "Hindle" type. Founded in 1976, Abrasive Form has evolved into a world leader in creep feed and 5-axis CBN grinding serving the Industrial Gas Turbine (IGT), Aerospace, and General Industrial sectors. My first mirror is an 8"/f5 that was done by hand. The problem with thin mirrors is that they flex more easily during grinding and polishing, making it hard to achieve the required surface precision. Reishauer launches the first continuous generating gear grinding machine in the world. A grinding machine relieves the labor, but is not necessary. The frame of the machine will be based on the machine (see photo below) that Prof Ritchey used to ground and polish the 60-inch Mount Wilson mirror. I also built another machine of the same type. Machine Operator (Former Employee) - Elgin, IL - December 14, 2016 Job security was ok; however no room for advancement.

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