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Nick
Experienced Roboteer
Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW
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Project explosion:
The CNC enclosure is moving along; I measured the mill bases and worked out where to weld the support rails. The enclosure may look huge but there is little wasted space inside; the most I could shorten it by is 200mm.
More of the CNC mill came home from storage yesterday. The base of the mill is a big tub with just a few small holes in it - perfect for filling up with epoxy concrete. Its a slow & messy job but will kill vibration and (supposedly) produce smoother finishes.
Mangle 2:
... is definitely a thing . I found the perfect sized piece of stock, so the cost for the new bot is $294 USD for material and a couple of hundred for the waterjetting. Everything else comes from the original Mangle or spare parts. Its a bit accounting trickery to call it a cheap project but its too good to pass up at this price.
3D printer:
I woke up with a crazy idea (not unusual but it normally involves bacon); I have a disused Printrbot that never worked properly and was superseded by the Wanhou. Since there is nothing to lose, I can try retrofitting it with some of the parts from the custom-built printer project. The feeder and hot end are an easy swap:
All that is needed is a 5 to 6mm aluminium adaptor plate between the printer and the head:
Next, the dodgy AF controller board gets replaced with the 32 bit Smoothie board. This adds better auto levelling, heated bed control and an LCD panel. Finally, adding a heated bed kit makes the printer compatible with all the interesting high temperature plastics like nylon and polycarbonate.
The printer only has a 200 x 200 x 150 print volume but will be perfect for antweight parts. I can't see any down side to this; if it works, then I have an extra printer and get experience with the new parts. If it doesn't work, I can just take the new parts off and use them elsewhere.
Mr T:
I had to pack up the sportsman to make room for the CNC enclosure build. The wiring and pneumatic installation is far enough along to tell that the frame doesn't need any changes, so its time for a quote and waterjetting.
Ant arena:
The CAD is all done and I will get a laser cutting quote at the same time a Mr T _________________ Australian 2015 Featherweight champion
UK 2016 Gladiator champion
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Mon Mar 13, 2017 10:25 am |
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