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06-04-2018 #71
I use those litle 4-way connectors for signal connections (limit switches, etc) - they are fiddly to wire, aren't they?
For stepper connections, I personally use 4-way XLR latching connectors, which are a bit chunkier to handle! Not sure what other people use but XLR are readily available and not too expensive compared to some of the more exotic connector types.
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06-04-2018 #72
A little more modern to boot. I just took another look at the spindle connector - it is actually a larger version of the 4-pin mike connector. Doesn't look too bad to solder to and seems a bit heftier.
Decided to affix the spindle to my surface plate and check it out while I was messing with it. The inner contact surface of the spindle is nuts on - I get under a tenth of runout - very nice! The included collet, not so much. More than 2 thou (once the needle on my tenths indicator starts moving that much, I don't bother to get an exact measurement). Probably worrying too much for a primarily wood machine, but that collet goes in the trash. I'll order a Lyndex or Royal...
This is getting fun!
Wallace
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11-04-2018 #73
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11-04-2018 #74
Wally!
Good work and well done :D
Skickat från min SM-G955F via Tapatalk
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18-04-2018 #75
More test cuts. Doing calibration.
Thanks,
Wallace
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18-04-2018 #76
Nice, looking good.
Is that a Fusion tool path??
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18-04-2018 #77
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18-04-2018 #78
Its a steep curve but once you get over the top, the fun really starts - there is great satisfaction in designing a part in 3D then converting to tool paths and watching your machine turn it out. :)
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18-04-2018 #79
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The Following 2 Users Say Thank You to wallyblackburn For This Useful Post:
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11-05-2018 #80
Well, I'm at the point of cutting real stuff:
And - of course - thinking about what I want to do to make this one better AND what I'll be doing for the next one! :)
I am leaning towards a 4x8+ made out of extrusions. Wood-only, so I think extrusions will be fast and adequate. Want to be able to put a whole sheet of plywood on at once. But, just thinking/dreaming at this point.
For this one, I am planning the following:
- 1/2" steel table with a 3/8"-16 hole pattern for bolting down MDF wasteboard, Aluminum pieces, etc.
- 3 or 4:1 belt drive on X- and Y-axis. The X and Z are direct connected. The Y is belt, but 1:1
- More rigid gantry with 1/4" steel end plates and 2040 Rexroth crossbars. With a slanted design to allow more real estate to be accessible
- Maybe filling some of the frame members with something - mortar maybe? Sand?
Thanks to all for the advice gotten here,
Wallace
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