The Craftmans Shop > New from Old
The Sequel - Oh Blimey I bought a CNC Lathe (Beaver TC 20)
tom osselton:
That would be about $20,000 over here when I looked at it.
awemawson:
A VERY big step forwards today:
A parcel from Germany arrived remarkably promptly (Thanks Fedex) containing the two video card spares and the card that hold the three daughter boards that have the main operating system in EPROMS. Now I really don't think these are anything to do with the issue that I am pursuing, and although I have unwrapped them, I have not yet tested them.
My Disco had to go for it's MOT today, so I got the wife to drop me off at the chap who always prepares it on it's annual outing (ex REME knows Landrovers!) and as a sweetener I took her to a rather nice pub (Two Sawyers, Pett Level) so she doesn't have to cook this evening. Lubricated with a drop of Harvey's Best Bitter I got to thinking when I returned - it's almost as though this machine either doesn't know that it HAS a spindle drive system, or that it is inhibited in some way :scratch:
The spindle drive system in block form is pretty simple (but they are VERY complex blocks!). DC motor with a Tacho and Encoder attached which is driven by the KTK DC drive. This takes it's command from a DC level set by the 'Measuring Card' that compares desired speed and direction given by the CPU with measured speed and direction from the tacho and encoder.
Does the encoder work? Well yes, once the drive has been told to turn (and failed) you can see the rotational position of the spindle via the controller. So there's a 'tick in the box'.
. . . about now a light light started to glimmer, and get brighter by the second. There is a page of 'spindle settings' tucked away in the controller specifying 'Acceleration Ramp Time, G92 spindle Speed limitation, M19 exact spindle Stop location, and Spindle Speed Limitation Everything was set to zeros.
If you limit the spindle speed to zero, it AIN'T going to spin :lol:
Now I thought that these settings were included in the re-load process, but it seems that they are not. Setting sensible values and now I have a lathe that turns it's spindle on demand - in fact just what a lathe SHOULD do :clap:
I'm still left with the oddity of missing text on the error messages but I bet that that tuns out to be some setting that's been zapped !
RussellT:
:clap: :clap:
It's very satisfying when you can work it out like that. Well done.
Russell
Sea.dog:
Another Mawson triumph, and only a "little lighter" in the bank balance :lol:
Pete.:
See I told you that things always seem better with a beer insde you :D
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version