The Craftmans Shop > New from Old
The Sequel - Oh Blimey I bought a CNC Lathe (Beaver TC 20)
PekkaNF:
There used to be...or maybe still is a thin washer kind of socket that had a lindicator LED and you could just slide them between solenoid and socket.
They were pretty cheap to use in a hurry.
This sort of thing:
https://canfieldconnector.wordpress.com/2016/06/10/ilw-interposed-lighted-wafer-indicator-light-2/
Replacing the connector in this case was better choicse ofcourse.
Pekka
awemawson:
That's a neat idea Pekka :thumbup:
Well just as I thought I knew where everything is on the mammoth lathe I stumble across another three hydraulic solenoid valves lurking behind the headstock.
I think that these are for clamping and unclamping the chuck, but I thought I'd already found those :scratch:
Needs more exploring tomorrow - too late now
awemawson:
A couple of developments today:
Firstly I was actually contacted at last by the supplier of the replacement FXM-3 field coil driver for the main spindle motor telling me he'd 'sort it today' - this is a 'good thing' as although I've got most of the semiconductors to replace the lot lock stock and barrel I'd rather have a tested spare to save too much excitement
Secondly I replaced all the DIN 43650 solenoid sockets in the 'chuck hydraulic cupboard' and ordered some more for the ones I discovered hidden behind the headstock.
The exercise of replacing these sockets has demonstrated to me the importance of re-labelling all the cables used for these solenoids. Originally they were very clearly marked using wrap round printed labels, but time and handling combined no doubt with a bit of hydraulic oil have proved their undoing.
I intend to use cable ties with an attached 'write on flag' when I find suitably sized ones - you'd be amazed how many sellers omit the size of the write on bit, and only give the cable tie size in their adverts !
mc:
I'm just getting caught up with this thread.
If you don't mind me asking, how does the live tool dog engage with the tools?
Is it spring loaded, or does it rely on the servo running to ensure the dogs engage, when the turret retracts?
This is my weapon of choice for cable marking - http://www.labelzone.co.uk/brother-pt-e300vp-professional-handheld-label-printer/p15675
I generally use heatshrink for multi-core cables, and tape flags for smaller cables (or when I inevetiably forget to put the heatshrink label on...) plus it avoids any future problems trying to translate my handwriting!
awemawson:
The Dog mounted in the turret is spring loaded, and the dog mounted on the tool is fixed axially. As the control selects another tool with a 'T' command, the tool disk moves forwards, rotates to the new tool, then clamps back engaging the dogs.
Now my turret is one made by Beaver themselves. Prior to this they were fitting Baruffaldi turrets, and seem to have copied the dog clutch pattern but not the length of the VDI40 shank projecting rearwards.
Power tooling is stupidly expensive - I have bought three genuine Baruffaldi ones that are seized solid and will have to rebuild them. Part of the re build will be to extend the dog clutch rearwards - but that's for the future - a few other things to sort out first.
BTW I'm going to use cable ties with flags to avoid having to disconnect all the cables again. I have a CTK 'brander' that has type wheels that you rotate to spell what you want to say in (I think) 8 or 10 characters, I dug it out to try it this afternoon but the type wheels that I have don't include the letters that I need. It has a heating element inside the type wheels and a wide ribbon of coloured plastic film. The film gets embossed into the cable sheath.
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version