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Show"N"Tell ( Your Machines) / Re: Success! Mini Machining Center under Mach3 control - Video link
« on: January 29, 2015, 06:36:35 AM »
Crusty OLD Machinist (;-) ? I resemble that remark a great deal (;-).
(:-)TP
In addition to your machining experience, which is extensive, you also are a wizard at G-code, so I can think of no person better equipped to create a truly 'universal' threading program.
I prefer scripts to G-code because of access to better math, but I sent you a couple of my internal threading G-code programs as well as a G-code fragment specifically for calculating multiple passes in a specific way for specific materials. Hopefully there my be a morsel in there that will be helpful.
Now I am chomping at the bit to see what you come up with and test the whole system ( and I think system is the right word). Perhaps I can entice you somehow into expanding the system to take advantage of the InTurn™ Turning capability in prepping the part prior to the drilling/tapping operations.
Now, one more fish for your pan; provide the coordinated motion to bore and thread holes that are not in the center of the part. Example: simple flange with 4 tapped holes on a single BC. With NO horizontal spindle, this can be accomplished using a stationary cutting tool by coordinating AYZ motions to create an 'orbiting' motion in the part that will allow drilling/boring/tapping off center.
'Should not be that Hard' . . is a phrase that I heard somewhere . . .