Spindle encoder and fine boring

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Fueler1
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Re: Spindle encoder and fine boring

Post by Fueler1 »

cncsnw wrote: Mon Jan 04, 2021 4:44 pm Marty: the eBay listing you found is indeed Dave's machine. Jerry should take that listing down, since it was sold over five years ago.
And muchly cleaned and modernized / updated. :D
martyscncgarage
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Re: Spindle encoder and fine boring

Post by martyscncgarage »

cncsnw wrote: Mon Jan 04, 2021 4:47 pm
martyscncgarage wrote:What is your desire to have spindle orient?
With all due respect, please see the subject line of this thread, and see G76 in the Mill operator's manual.

The G76 "Fine Boring" cycle feeds a single-point boring tool down a hole. When it reaches the bottom, it stops the spindle; orients the spindle; moves X and/or Y a short distance as needed to pull the cutter tip off the wall (but without backing into the opposite wall); then rapids up out of the hole.

For this purpose, orientation does not have to be precise: plus or minus five or ten degrees would probably be fine.
New to me. I will step out. Let Marc and Tom continue this.
Reminder, for support please follow this post: viewtopic.php?f=20&t=383
We can't "SEE" what you see...
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tblough
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Re: Spindle encoder and fine boring

Post by tblough »

You could make your own orient with a heart-shaped cam and an air cylinder on top of the spindle. Then hire Marc to modify your PLC program. Probably cheaper than a new VFD, encoder card and encoder.
Cheers,

Tom
Confidence is the feeling you have before you fully understand the situation.
I have CDO. It's like OCD, but the letters are where they should be.
Fueler1
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Re: Spindle encoder and fine boring

Post by Fueler1 »

tblough wrote: Mon Jan 04, 2021 6:36 pm You could make your own orient with a heart-shaped cam and an air cylinder on top of the spindle. Then hire Marc to modify your PLC program. Probably cheaper than a new VFD, encoder card and encoder.
Don't forget there is an air operated drawbar gadget up there and something else..
how about a 4 leaf clover? :D
Fueler1
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Re: Spindle encoder and fine boring

Post by Fueler1 »

update:
I have ordered hardware and Marc is going to hold my hand on any programming required.
This will likely take a couple of weeks at least but I will post up what takes place just so the next guy has a head start.
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