mirror grinding machine plans in nigeria

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COMMON MAINTENANCE TOOLS AND THEIR USES

The grinding and polishing process flow for a mirror is as follows: Initial coarse grinding is performed on the surface. The surface is gently polished with fine to very fine abrasives until nearly all damaged areas are removed, typically using diamond, aluminum oxide or colloidal silicon dioxide on appropriate polishing cloths and discs.

Mirror grinding - scope making

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Mirror grinding - scope making

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" Fig.3, Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated was fitted to the spindle. I also built another machine …

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A good starter size is the 150 mm (6") mirror. A 200mm (8") will also work. Most ATM books and websites recommend a Pyrex® mirror blank, but in my opinion, annealed plate glass is better for this first, "learn and practice" mirror.It is cheaper, it is softer and grinds faster, needing less abrasives and with these small sizes, the low expansion glass like Pyrex has no practical (visible at ...

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Apr 21, 2016· This machine's Tire Cutting Tools are one pair of cutting discs as below photo, the material is Cr12mov, after heat treatment, the hardness is 60HRC,which can cut steel like cutting mud, and all cutting discs passed accurate grinding, the surface looks like a mirror as below. Tire Cutting Tools(Tire Cutting Disc) of JYQT-38 Tire Strip Cutter

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My Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telescope mirrors. Dennis Rech's M-o-M designs finally inspired me to just get up and do it. Over the years, I'd been collecting motors, gear boxes, pulleys, etc.

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

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CHAPTER 1 COMMON MAINTENANCE TOOLS AND THEIR USES Tools are designed to make a job easier and enable you to work more efficiently. If they are not properly

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The I.A.U. named asteroid 17823 Bartels discovered 1998 by J.M.Roe in recognition for my contributions to amateur astronomy. Making is the Key to Knowing. A telescope mirror is arguably the most accurate surface made by human or machine. Amazingly you can grind a mirror by hand and make a telescope with simple hand tools.

Mirror Grinding Machine

End milling - An end mill makes either peripheral or slot cuts, determined by the step-over distance, across the workpiece in order to machine a specified feature, such as a profile, slot, pocket, or even a complex surface contour.The depth of the feature may be machined in a single pass or may be reached by machining at a smaller axial depth of cut and making multiple passes.

Mel Bartels' Amateur Telescope Making

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Domestic Grinding Machine In Nigeria by bolorunfem(f): 12:40pm On Jan 22, 2013; I have 2 blenders and neither of them grind my pepper seeds which is not so good for the health (to prevent appendectomy).The pepper itself will be ground reasonably well but the seeds will be dancing and floating in the mix untouched!

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The problem with thin mirrors is that they flex more easily during grinding and polishing, making it hard to achieve the required surface precision. They also need a more complex mirror cell (additional support points). Plop is a useful software to let you calculate the number of points needed based on the diameter and thickness of the glass:

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Fixed-Post Mirror Grinding Machine - YouTube

A good starter size is the 150 mm (6") mirror. A 200mm (8") will also work. Most ATM books and websites recommend a Pyrex® mirror blank, but in my opinion, annealed plate glass is better for this first, "learn and practice" mirror.It is cheaper, it is softer and grinds faster, needing less abrasives and with these small sizes, the low expansion glass like Pyrex has no practical (visible at ...

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Buy genuine cutting grinders in Nigeria such as Bosch Angle grinder GWS 7-115, Straight grinders from Makita, or Bench Grinders and other Cutting machines. Best power tools deals and enjoy next day nationwide delivery. 7 days free returns · authenticity

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Aug 22, 2014· Shown here I have the overarm locked to use the machine in fixed-post grinding/polishing mode. The overarm can be engaged with adjustable stroke length. Show...

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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).

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