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84

Re: Where were you all my life?

Actually I had to think it through.  There is no net driving force from the quill in normal operation, I've got a freewheeling setting where the stepper
Mark Cowan
Feb 13, 2013
#84
 
83

Re: Where were you all my life?

Huh? if the spindle is threaded to the turntable with 1"-8thd right hand, CCW will keep it tight: ..........correct? I thought your response totally fine, but
mdhopt53
Feb 13, 2013
#83
 
82

Re: Where were you all my life?

I need to add, the last comment is strictly a "gotcha".  The pipe threads are self locking, so once they're locked on they won't unscrew by themselves.  And
Mark Cowan
Feb 12, 2013
#82
 
81

Re: Where were you all my life?

That's pretty much what I thought you meant. :) Originally I left off all control of polisher rotation, as it's simpler. One aims for perfectly regular action
Mark Cowan
Feb 12, 2013
#81
 
80

Re: Where were you all my life?

It -can- make a difference, if you allow it to do so. All I'm saying, you have a choice. I prefer to have that option, and generally choose the simplest (which
mdhopt53
Feb 12, 2013
#80
 
79

Re: Where were you all my life?

I'm talking about a very slow machine resonance here, akin to what can happen when a polisher is rotating at some small integer fraction of the speed of the
Mark Cowan
Feb 12, 2013
#79
 
78

Re: Where were you all my life?

That is one of the things that inhibits a developing intuition as to cause/effect of polishing. In my "research" I made the results obtained, being unaffected
mdhopt53
Feb 12, 2013
#78
 
77

Re: Where were you all my life?

Hi, I'll have more to post soon as I'm getting the first machine _finally_ put together. Hell of a job, BTW. And it's involved a lot of analysis of the input
toolontop
Feb 11, 2013
#77
 
76

Where were you all my life?

I can't believe I have only just heard of this group! I was aware of Drew's machine, but then is there any non-mainstream ATM activity that Drew is not
ericgraham
Feb 10, 2013
#76
 
73

Re: Mark, You've got a Spammer on List!

Sorry, those went straight to my spam folder. They're gone now. It's not been much of a problem so far and I'll set it for approval if it happens again. :(
toolontop
Jan 14, 2012
#73
 
72

Mark, You've got a Spammer on List!

Mark, Looks like the spammers found this group. I suggest you take a look at who's spamming and remove them. If you have membership as open, I suggest the
k5ilw
Jan 14, 2012
#72
 
61

Re: new to the group

oops ......... forgot the video. Here is the very first attempt to automate the polishing of a mirror based on the error output maps generated by BATH style
Andrew Aurigema
Aug 31, 2011
#61
 
60

Re: new to the group

Hi Drew, and welcome! You might want to link to the video you showed me about the polisher setup to get things started.  This is the place to take advantage
Mark Cowan
Aug 31, 2011
#60
 
59

new to the group

Hello all, At the invite of Mark C. I signed on to this group. I am very interested in getting a basic robo-polisher up and running to take the madness out of
eosraptor1
Aug 29, 2011
#59
 
58

Re: Unconventional

Hi Gordon, I don't think it's intrinsically that hard to do.  But it's complicated in ways that don't show up during hand work or using ordinary machines. 
Mark Cowan
Jun 14, 2011
#58
 
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