amateur lens grinding machines

Make life easy with stateoftheart motion control components and positioning systems And never sacrifice quality by using the PRO Series or eSX 5Axis CNC lens grinding platform that’s right for you Spheres aspheres cylinders prisms and freeforms Glass ceramics and hardened steels Lens sizes

Optical Centering Machines Efficient centering of precision optics can noticeably increase your bottom line Watch parts go out the door faster with the exceptional precision production and repeatability of the PRO 160C CNC optical centering machine or NakamuraTome LC50 automatic centering machine

Grinding a Mirror For it is true that astronomy from a popular standpoint is handicapped by the inability of the average workman to own an expensive astronomical telescope It is also true that if an amateur starts out to build a telescope just for fun he will find before his labors are over that he has become seriously interested in the wonderful mechanism of our universe

It used the working principle of the machine illustrated at A Fig3 Page 163 Amateur Telescope Making Book 1 A bowl which rotated was fitted to the spindle I also built another machine of the same type Also a Hindle type machine for a southern firm to grind and polish 125 mirrors Later I sold them my two machines

Grinding the blank The work piece is brought to the tool which has received a bit of grinding powder no 1 and a drop of water As the tool rotates the work piece is positioned in the vertical direction and as the grinding process takes place the work piece has to be spun between the fingers

Fortunately cerium oxide and the various rouges are more than sufficient to meet the needs of the precision lens maker All of WillmannBell’s polishing compounds will give a firstclass polish but each one differs from the other in speed action cleanliness and cost

Oct 17 2011 · Galileo hand ground lenses to about an inch Amateur lens makers now do spherical lenses to three inches or so and mirrors to ten inches Past about four inches lens grinding gets much more difficult as the lenses shift from spherical to parabolic in order to correct distortion Not too many amateurs will attempt a six inch parabolic lens

My new grinding machine polishing a 25 inch 635cm diameter mirror The extended HorseHead Nebula area IC434 Abell 12 a faint planetary almost touching Mu Orionis The telescope criteria calculator I explain the master telescope relationship comprising the five telescope criteria and offer a telescope design calculator where the criteria

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 12 shaft size pillow block bearings work good for a homemade EQ mount Thank you John