draper mirror grinding machine
Welcome to the broken dawn

draper mirror grinding machine

draper grinding machine - YouTube

This is a grinding machine for astronomical parabolic telescope mirrors. The machine can handle primary mirrors up to 80 cm/31.5"We are currently test drivin...

Draper Grinding Machine - Máquina Draper -

Máquina para desgaste e polimento de espelhos de telescópio até 600mm de diâmetro.Configuração Draper.

draper design mirror grinder - randoresopyreneen

Grinding Machine for Large Telescope Mirrors 42 inch mirror with 21 inch radius, 80% stroke length = 17 inch stroke; 21 inch+17 inch=38 inch axes separation motor to shaft and shaft to reducer set to 45 deg angle between axes or 27.25 inch Pulleys: V-Belt pulleys 6.25 inch dia, 6 inch 4L dia 14.16 inch dia, 14 inch 4L dia 4.75 inch dia, 4 inch 4L dia Belt lengths: V-belt 4L

HENRY DRAPER - National Academy of Sciences

grinding-machine was contrived, and experiments were made with three 151-inch glass disks, as well as with some smaller ones. Three mirrors of the same focal length and aperture, Dr. Draper says, are almost essential in working, for it not infrequently happens that two in succession will be so similar that a third is required for at-

Grinding Machine Type - ATM, Optics and DIY Forum -

14-09-2007  Grinding Machine Type - posted in ATM, Optics and DIY Forum: Hy guys,Id like to realize a grinding/polishing machine with the following specifications:- max blank diameter: 400mm (16" circa)- min blank diameter: 125mm (5" circa)- capable of grinding convex and concave surfaces (lenses, mirrors, Mak correctors)Considering ease of fabrication (but I have a lathe and a milling machine), grinding

Draper Grinding Machine - Máquina Draper - YouTube

Máquina para desgaste e polimento de espelhos de telescópio até 600mm de diâmetro.Configuração Draper.

draper design mirror grinder - randoresopyreneen

Grinding Machine for Large Telescope Mirrors 42 inch mirror with 21 inch radius, 80% stroke length = 17 inch stroke; 21 inch+17 inch=38 inch axes separation motor to shaft and shaft to reducer set to 45 deg angle between axes or 27.25 inch Pulleys: V-Belt pulleys 6.25 inch dia, 6 inch 4L dia 14.16 inch dia, 14 inch 4L dia 4.75 inch dia, 4 inch 4L dia Belt lengths: V-belt 4L

Mirror Grinding Machine Products Suppliers ...

In September 1858, shortly after his return from Europe, Draper began the construction of a mirror grinding machine of Lord Rosse’s design. Advances in Abrasive Technology XVI The superhard diamond grinding wheel with large-grit size plays an important role in precision mirror grinding

HENRY DRAPER - National Academy of Sciences

grinding-machine was contrived, and experiments were made with three 151-inch glass disks, as well as with some smaller ones. Three mirrors of the same focal length and aperture, Dr. Draper says, are almost essential in working, for it not infrequently happens that two in

strasbaugh draper grinding machine

Draper mirror grinding machine Strasbaugh draper grinding machine Description : specialty machines, aircraft window polishers, Draper – Strasbaugh In addition to conventional flat and . Chat Now; strasbaugh draper grinding machine grinding machine and the isolation of alp alvakp china . strasbaugh draper grinding machine - grinding Mill ...

ON THE MODERN REFLECTING TELESCOPE, AND 'rHE MAKING

GRINDING AND POLISHING MACHINES. TIlE grinding and polishing machines used by the writer are somewhat similar in principle to Dr. Draper's machine, sho.wn in Fig. 25 of his book, but are more elaborate. I shall describe here the machine used in making the 5foot mirror, both because it embodies most of the essential features of a-grindingand ...

Document sans nom - Astrosurf

But throughout this saga, we also encounter professionals : among whom Henry Draper (1837-1882) who was one of the first to carve mirrors in application of Leon Foucault studies. For this purpose, around 1850, he invented a machine inspired by the one

build a mirror grinding machine mining

henery draper mirror grinding machine vachestnut. henery draper mirror grinding machine . Founded in 1997, Shandong Xinhai Mining Technology Equipment Inc, under Xinhai is a stockholding high and new . Get Price

Grinding Machine Type - ATM, Optics and DIY Forum -

14-09-2007  Grinding Machine Type - posted in ATM, Optics and DIY Forum: Hy guys,Id like to realize a grinding/polishing machine with the following specifications:- max blank diameter: 400mm (16" circa)- min blank diameter: 125mm (5" circa)- capable of grinding convex and concave surfaces (lenses, mirrors, Mak correctors)Considering ease of fabrication (but I have a lathe and a milling machine), grinding

Astro-Tel - Mirror grinding machine

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

draper design mirror grinder - randoresopyreneen

Grinding Machine for Large Telescope Mirrors 42 inch mirror with 21 inch radius, 80% stroke length = 17 inch stroke; 21 inch+17 inch=38 inch axes separation motor to shaft and shaft to reducer set to 45 deg angle between axes or 27.25 inch Pulleys: V-Belt pulleys 6.25 inch dia, 6 inch 4L dia 14.16 inch dia, 14 inch 4L dia 4.75 inch dia, 4 inch 4L dia Belt lengths: V-belt 4L

Mirror Grinding Machine Products Suppliers ...

In September 1858, shortly after his return from Europe, Draper began the construction of a mirror grinding machine of Lord Rosse’s design. Advances in Abrasive Technology XVI The superhard diamond grinding wheel with large-grit size plays an important role in precision mirror grinding machining .

ON THE MODERN REFLECTING TELESCOPE, AND 'rHE MAKING

GRINDING AND POLISHING MACHINES. TIlE grinding and polishing machines used by the writer are somewhat similar in principle to Dr. Draper's machine, sho.wn in Fig. 25 of his book, but are more elaborate. I shall describe here the machine used in making the 5foot mirror, both because it embodies most of the essential features of a-grindingand polishing

strasbaugh draper grinding machine

Draper mirror grinding machine Strasbaugh draper grinding machine Description : specialty machines, aircraft window polishers, Draper – Strasbaugh In addition to conventional flat and . Chat Now; strasbaugh draper grinding machine grinding machine and the isolation of alp alvakp china . strasbaugh draper grinding machine - grinding Mill ...

Mirror Grinding Machine - CN Classifieds - Cloudy Nights

One large item we have is a mirror grinding machine. It is a Draper style machine. It was built by Allan Mackintosh. You may recognize the name. Allan was the author of the well known "Advanced Telescope Making Techniques" books still in print today from Willmann-Bell.

Draper Tools Official Website Hand Tools, Power Tools ...

Draper Tools Official Website. Established in 1919, Draper Tools is a supplier of quality trade, professional and diy tools. Check out the massive range of tools available from one supplier.

Astro-Tel - Mirror grinding machine

I finished up using a spindle speed of 72 rpm. and a stroke of 56 per minute and used this for grinding both 6 inch and 8 inch mirrors. The splash tray is made from a 15" diameter pizza tray. Along the front of the machine is a bracket holding jars of carborundurn powders.

Grinding Machine Type - ATM, Optics and DIY Forum -

14-09-2007  Grinding Machine Type - posted in ATM, Optics and DIY Forum: Hy guys,Id like to realize a grinding/polishing machine with the following specifications:- max blank diameter: 400mm (16" circa)- min blank diameter: 125mm (5" circa)- capable of grinding convex and concave surfaces (lenses, mirrors, Mak correctors)Considering ease of fabrication (but I have a lathe and a milling machine), grinding

Mirror grinding machine construction log - James

July 24, 2003 Increased weight to 30lbs, platter at 23 rpm, stroke at+/- 2.375" 60grit SiC. 4 sessions for a total of 2hrs final sagittaof .0119 or a ROC of 128.74". Clean up-remove tool from platter and cleanall parts to all grit. removed tape from mirror and replaced.

Sanding Discs Sanding Power Tool Accessories Draper ...

Five 60 Grit Sanding Discs for DS305. For use with Draper Disc Sander Stock No. 88912 and other manufacturers similar machines. Assorted pack comprises 1 x 60, 2 x 80, 1 x 100 and 1 x 120 grit grades.Packed five discs per pack.... more. Stock No: 46442 Part No: ADS305C View more.

Copyright © 2021.Company name All rights reserved.Dawn Broken