Forum: Technical Discussion
11-15-2016, 03:52 PM
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Replies: 30
Views: 1,998
Re: ShopBot Desktop router up for the challenge?
I'm 90% sure you need a VFD to use these spindles in any setup. I've used a couple on different machines and they all have parameters that must be set in the VFD to avoid damaging the spindle from...
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Forum: General Forum
11-14-2016, 08:35 PM
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Replies: 2
Views: 470
Re: Different types of driver stations.
We used a small format desktop computer (Intel NUC) and a touchscreen monitor for a year because our grant couldn't be used on laptops. We had a battery pack to run it all but having a SSD meant the...
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Forum: Technical Discussion
11-14-2016, 03:12 PM
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Replies: 4
Views: 1,263
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Forum: Technical Discussion
11-14-2016, 10:51 AM
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Replies: 30
Views: 1,998
Re: ShopBot Desktop router up for the challenge?
Both those wood router spindles are going to be far less powerful and capable than the 1 HP three phase spindle that comes with the shopbot. Wood routers are usually advertised with peak H/P numbers...
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Forum: Off-Season Events
11-11-2016, 12:08 AM
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Replies: 15
Views: 2,424
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Forum: Motors
11-07-2016, 08:40 PM
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Replies: 25
Views: 2,446
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Forum: General Forum
11-06-2016, 10:20 PM
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Replies: 30
Views: 3,677
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Forum: Rumor Mill
11-04-2016, 10:45 AM
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Replies: 13
Views: 2,903
Re: A free CNC for your team!
Do you think its just a coincide that they've asked people to nominate and vote for institutions before they've even finished collecting money from their kickstarter?
Overall I think the company...
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Forum: Rumor Mill
11-03-2016, 07:05 PM
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Replies: 13
Views: 2,903
Re: A free CNC for your team!
It doesn't matter what router your using as a spindle no way will it cut aluminium in any meaningful way. This CNC doesn't even have a Z axis. On an xcarve a .008" doc for aluminium is normal. If...
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Forum: Technical Discussion
11-02-2016, 09:16 PM
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Replies: 16
Views: 1,222
Re: 3D printer: Favorite Filament
I've had really good luck with ESUN PLA+. It's cheap and stronger than other PLA filaments and prints really well. I prefer it over PETG durability wise but the properties are different so it isn't...
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Forum: Fundraising
10-25-2016, 02:18 PM
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Replies: 34
Views: 2,170
Re: Acquiring a 3D Printer?
The Prusa i3 MK2 has been getting killer reviews lately for its reliability and print quality. It's considered by most to be the best hobby grade FDM printer at any price....
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Forum: Pneumatics
09-25-2016, 01:29 AM
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Replies: 14
Views: 1,174
Re: Motorizied flow control
The team wanted to have a 3rd position for their air cylinder. I think the plan was to actuate the cylinder with the solenoid and use the servo to let out air until it was the right height. I don't...
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Forum: Off-Season Events
09-24-2016, 02:29 PM
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Replies: 134
Views: 33,980
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Forum: Pneumatics
09-24-2016, 01:09 PM
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Replies: 14
Views: 1,174
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Forum: Extra Discussion
08-17-2016, 06:43 PM
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Replies: 14
Views: 2,257
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Forum: Technical Discussion
07-30-2016, 04:39 PM
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Replies: 19
Views: 2,266
Re: What are some of your shop tips and tricks?
I use 3$ Ikea cutting boards as waste boards when CNC milling sheet metal. Way cheaper than buying plastic sheet. Double sided tape sticks to it but peels off easy. It's thick enough that you could...
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Forum: General Forum
07-28-2016, 12:27 PM
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Replies: 32
Views: 2,134
Re: Event Machine Shops
That's kind of the problem. Ontario events (and others I'm sure) usually bring in a large generator to power lighting and pits but we aren't allowed to hook up to those. Simply finding an outlet near...
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Forum: General Forum
07-28-2016, 11:08 AM
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Replies: 32
Views: 2,134
Re: Event Machine Shops
Something to remember is due to the power restrictions of many venues it's not always possible to run the machine shop off of the venues power. You also usually won't get 240v to run something like a...
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Forum: Technical Discussion
07-27-2016, 01:15 AM
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Replies: 64
Views: 5,861
Re: Who makes their own wheels?
We 3D printed and then cast hubs for urethane tube to use as intake wheels in 2015.https://scontent-yyz1-1.xx.fbcdn.net/t31.0-8/10256793_10155208355065576_3280327124933048631_o.jpg
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Forum: General Forum
07-26-2016, 02:30 PM
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Replies: 32
Views: 2,134
Re: Event Machine Shops
Our school provides the mobile machine shop at some Ontario events. The tools that is used the most is usually the lathe. After that is usually the bandsaw. Things like the arbor press, vice and...
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Forum: Extra Discussion
07-24-2016, 08:56 PM
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Replies: 13
Views: 1,244
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Forum: General Forum
07-22-2016, 01:55 PM
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Replies: 9
Views: 1,181
Some way to save a cart and send it to someone...
Some way to save a cart and send it to someone via email so it appears in there cart. Digikey and McMaster have similar things in place. I'd bet a lot of teams (ours included) have a single purchaser...
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Forum: Televised Robotics
07-12-2016, 11:52 AM
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Replies: 60
Views: 5,623
Re: BattleBots Season 2
Biteforce vs. Mohawk
https://youtu.be/xBgbju0eEa8
Looks like the shock mounts on biteforce's wedgelets broke. I wonder why they ran them over the hard mounts shown in the bot pictures against a...
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Forum: Technical Discussion
07-11-2016, 11:24 PM
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Replies: 47
Views: 4,742
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Forum: Extra Discussion
07-04-2016, 01:00 AM
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Replies: 8
Views: 1,064
Re: pic: Inverted Gearbox Concept
We had a similar setup in 2015 (https://www.chiefdelphi.com/media/photos/41334). The gears are too far above the belly pan to really grab anything.
I wouldn't be worried unless your 1678...
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