Drill Press Local to Nashua/Amherst/Milford needed
Hi, I am building a small demonstration supercomputer out of five Banana Pis, a Parallella board, a few other components and some Acrylic plastic. The goal is to be able to put this supercomputer in a brief case, take it to a university or conference, pull it out and within a few minutes be able to demonstrate how to program or administer an HPC device using Free Software tools. When finished the unit will break down into two parts: (1) A base containing two 1-TB disks and an 8-port Gbps switch (2) A tower of 5-6 Banana Pis and one Parallella board as the computing hub (3) A power supply capable of providing the power (5 V, 15A) for the supercomputer I need to drill some holes in the Acrylic during the week after New Years so I can put this all together. With luck this will take about an hour or so of time with a drill press, and the largest hole being 1/4 diameter, and some smaller holes for mounting disk drives, the Gbps switch. If anyone has a small drill press in the greater Nashua, area .that I could use I would greatly appreciate it. I will show up with paper patterns made to show where to cut the holes. Thanks, maddog ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Drill Press Local to Nashua/Amherst/Milford needed
On 2014-12-16, mad...@li.org jonhal...@comcast.net sent: I need to drill some holes in the Acrylic during the week after New Years so I can put this all together. With luck this will take about an hour or so of time with a drill press, and the largest hole being 1/4 diameter, and some smaller holes for mounting disk drives, the Gbps switch. If anyone has a small drill press in the greater Nashua, area .that I could use I would greatly appreciate it. I will show up with paper patterns made to show where to cut the holes. Not sure if they have one, but I'd expect MakeIt Labs[1] (Nashua's hacker space) to have that sort of thing available. 1. http://makeitlabs.com/ -- Chip Marshall c...@2bithacker.net http://2bithacker.net/ pgpZNZXU7UraM.pgp Description: PGP signature ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Drill Press Local to Nashua/Amherst/Milford needed
mad...@li.org jonhal...@comcast.net writes: If anyone has a small drill press in the greater Nashua, area .that I could use I would greatly appreciate it. I will show up with paper patterns made to show where to cut the holes. I can help with this. I've got a mini-machine shop in my basement in Milford. The drill press is only a benchtop, but it sounds like you don't have anything very big going on. One possible difficulty is the fact that this is acrylic. Acrylic melts if you try to cut or drill too fast. I can slow my spindle speed down, but I'm not sure how slow it goes. We should practice on some scraps if you have any. Also, drilling into the edge could be problematic if you need to make a box out of the pieces. I have an angle plate we can set up on if needed, depending on some factors. From your description, it's a whole pattern on the flat side, though. I didn't know about the Banana Pi. Seems pretty neat and so does this cluster thing. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Drill Press Local to Nashua/Amherst/Milford needed
On Tue, Dec 16, 2014 at 1:20 PM, David Rysdam da...@rysdam.org wrote: One possible difficulty is the fact that this is acrylic. Acrylic melts if you try to cut or drill too fast. I can slow my spindle speed down, but I'm not sure how slow it goes. We should practice on some scraps if you have any. If you can't slow it enough, can you spray-cool when drilling plastic? I forget if you'd want wood bit or metal bit for this ? If this particular acrylic machines at all like Lucite™ (only acrylic i've machined, in a prior century!), it also wants to be machined with its protective adhesiver-paper cover still on, it helps prevents chipping. If you don't have a cover layer, shelf-paper or packing-tape might temporarily replace it ? -- Bill Ricker bill.n1...@gmail.com https://www.linkedin.com/in/n1vux ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Drill Press Local to Nashua/Amherst/Milford needed
On Tue, Dec 16, 2014 at 2:15 PM, David Rysdam da...@rysdam.org wrote: I've been thinking maddog's acrylic is a laser-cut thing he ordered somewhere and wouldn't have any paper. MDF/plywood backing would probably work. Likely . -- Bill Ricker bill.n1...@gmail.com https://www.linkedin.com/in/n1vux ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Drill Press Local to Nashua/Amherst/Milford needed
As was mentioned, MakeIt Labs has a drill press. They probably have drill bits for plastic as well, though I don't believe they are absolutely required. They also have a laser cutter. So, a quick spin with LibreCAD, or many other packages, would produce a quick panel. Acrylic would be preferred, but will get some distortion and coloring around the cut. PVC is a no-no...laser cutting that produces nasty gases. Mac On Tue, Dec 16, 2014 at 2:15 PM, David Rysdam da...@rysdam.org wrote: Bill Ricker bill.n1...@gmail.com writes: If you can't slow it enough, can you spray-cool when drilling plastic? I forget if you'd want wood bit or metal bit for this ? I googled this and it looks like there's a special acrylic bit you can use. Looks like a regular bit, but with a much sharper tip. It also looks optional. Pretty much all my bits are 118 degree tips and I use them on both wood and metal with no problem other than the crappy black-coated, Home Depot-level ones don't really work on metal. Those go in the toolbox for mobile repairs around the house. If this particular acrylic machines at all like Lucite™ (only acrylic i've machined, in a prior century!), it also wants to be machined with its protective adhesiver-paper cover still on, it helps prevents chipping. If you don't have a cover layer, shelf-paper or packing-tape might temporarily replace it ? I've been thinking maddog's acrylic is a laser-cut thing he ordered somewhere and wouldn't have any paper. MDF/plywood backing would probably work. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/ ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Drill Press Local to Nashua/Amherst/Milford needed
Hi all, A little more about the project. There are two parts to it. One part is a set of four shelves (2' long and 8 wide) of acrylic (not PVC), each shelf is 1/4 thick and has a covering of thin plastic clinging to protect it from scratching, not paper. My thoughts on these are to clamp them together and drill four 1/4 holes (one in each corner, centered about 3/4 inch in from the edges). The three other boards are smaller and thinner and will need about fourteen holes of three different sizes drilled in them. For those I will have a paper template that can be glued to the board, marking the holes to be drilled. I will get all the drill bits necessary for this, I just need the drill press for a little while, and I welcome any expertise that comes along with it. Warmest regards, maddog - Original Message - As was mentioned, MakeIt Labs has a drill press. They probably have drill bits for plastic as well, though I don't believe they are absolutely required. They also have a laser cutter. So, a quick spin with LibreCAD, or many other packages, would produce a quick panel. Acrylic would be preferred, but will get some distortion and coloring around the cut. PVC is a no-no...laser cutting that produces nasty gases. Mac On Tue, Dec 16, 2014 at 2:15 PM, David Rysdam da...@rysdam.org wrote: Bill Ricker bill.n1...@gmail.com writes: If you can't slow it enough, can you spray-cool when drilling plastic? I forget if you'd want wood bit or metal bit for this ? I googled this and it looks like there's a special acrylic bit you can use. Looks like a regular bit, but with a much sharper tip. It also looks optional. Pretty much all my bits are 118 degree tips and I use them on both wood and metal with no problem other than the crappy black-coated, Home Depot-level ones don't really work on metal. Those go in the toolbox for mobile repairs around the house. If this particular acrylic machines at all like Lucite™ (only acrylic i've machined, in a prior century!), it also wants to be machined with its protective adhesiver-paper cover still on, it helps prevents chipping. If you don't have a cover layer, shelf-paper or packing-tape might temporarily replace it ? I've been thinking maddog's acrylic is a laser-cut thing he ordered somewhere and wouldn't have any paper. MDF/plywood backing would probably work. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/ ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/ ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Drill Press Local to Nashua/Amherst/Milford needed
I love the idea of this, it's just a worry that carrying this through airport security might be a tad more difficult than your standard laptop. -- jmcg On Dec 16, 2014, at 11:40, mad...@li.org jonhal...@comcast.net wrote: Hi, I am building a small demonstration supercomputer out of five Banana Pis, a Parallella board, a few other components and some Acrylic plastic. The goal is to be able to put this supercomputer in a brief case, take it to a university or conference, pull it out and within a few minutes be able to demonstrate how to program or administer an HPC device using Free Software tools. When finished the unit will break down into two parts: (1) A base containing two 1-TB disks and an 8-port Gbps switch (2) A tower of 5-6 Banana Pis and one Parallella board as the computing hub (3) A power supply capable of providing the power (5 V, 15A) for the supercomputer I need to drill some holes in the Acrylic during the week after New Years so I can put this all together. With luck this will take about an hour or so of time with a drill press, and the largest hole being 1/4 diameter, and some smaller holes for mounting disk drives, the Gbps switch. If anyone has a small drill press in the greater Nashua, area .that I could use I would greatly appreciate it. I will show up with paper patterns made to show where to cut the holes. Thanks, maddog ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/ ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Drill Press Local to Nashua/Amherst/Milford needed
Jim, Probably no worse than the other stuff I carry through airport security. I allow half an hour to go through an empty line. If it gets too bad I will ship the brief case with my checked baggage. md - Original Message - I love the idea of this, it's just a worry that carrying this through airport security might be a tad more difficult than your standard laptop. -- jmcg On Dec 16, 2014, at 11:40, mad...@li.org jonhal...@comcast.net wrote: Hi, I am building a small demonstration supercomputer out of five Banana Pis, a Parallella board, a few other components and some Acrylic plastic. The goal is to be able to put this supercomputer in a brief case, take it to a university or conference, pull it out and within a few minutes be able to demonstrate how to program or administer an HPC device using Free Software tools. When finished the unit will break down into two parts: (1) A base containing two 1-TB disks and an 8-port Gbps switch (2) A tower of 5-6 Banana Pis and one Parallella board as the computing hub (3) A power supply capable of providing the power (5 V, 15A) for the supercomputer I need to drill some holes in the Acrylic during the week after New Years so I can put this all together. With luck this will take about an hour or so of time with a drill press, and the largest hole being 1/4 diameter, and some smaller holes for mounting disk drives, the Gbps switch. If anyone has a small drill press in the greater Nashua, area .that I could use I would greatly appreciate it. I will show up with paper patterns made to show where to cut the holes. Thanks, maddog ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/ ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Drill Press Local to Nashua/Amherst/Milford needed
mad...@li.org jonhal...@comcast.net writes: There are two parts to it. One part is a set of four shelves (2' long and 8 wide) of acrylic (not PVC), each shelf is 1/4 thick and has a covering of thin plastic clinging to protect it from scratching, not paper. My thoughts on these are to clamp them together and drill four 1/4 holes (one in each corner, centered about 3/4 inch in from the edges). From the clamping together, I guess this isn't into the edge but into the flat. That's pretty doable. The three other boards are smaller and thinner and will need about fourteen holes of three different sizes drilled in them. For those I will have a paper template that can be glued to the board, marking the holes to be drilled. This also doesn't sound too hard. I will get all the drill bits necessary for this, I just need the drill press for a little while, and I welcome any expertise that comes along with it. You can use mine if you want. My drill press has a speed chart and it actually calls for a *high* speed for acrylic. If high speed really is the thing, we could also do this on my small mill. You probably don't need the precision, but having the handwheels is a lot more convenient than swinging the drill press table around. If you have scraps, definite bring some to experiment with. I've got plenty of clamps ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
