| Gallery, Projects and General > Project Logs |
| 4" Vertex Rotary Table CNC conversion |
| << < (15/16) > >> |
| johnstij:
Kwackers. I only completed the controller on Thursday so have not really used it. But the driver appears to rotate the table with no loss of steps & high torque. As I think you said early on speed is not really important for this application. I'm not sure if it would lock/hold the table whilst milling. Did I read some where that shorting the two limit lines locks the table? PS How do I insert a quote in the reply? |
| kwackers:
--- Quote from: johnstij on February 18, 2012, 02:47:37 PM --- Kwackers. I only completed the controller on Thursday so have not really used it. But the driver appears to rotate the table with no loss of steps & high torque. As I think you said early on speed is not really important for this application. I'm not sure if it would lock/hold the table whilst milling. Did I read some where that shorting the two limit lines locks the table? PS How do I insert a quote in the reply? --- End quote --- you can insert quotes automatically by clicking on "quote" on the top right (in my view anyway) of each post. Alternatively there's a quote icon in the editing toolbar (again in my version). It looks to be rated at 3.5A which will drive most common steppers quite happily. Generally the table will lock by virtue of the worm drive even without the motor powered. The only movement should be in the backlash (which is why you probably want to use a physical lock). Connecting the two limit switches together and toggling them doesn't lock the table but it does lock the controller to stop inadvertent key presses. |
| kwackers:
I've ordered one anyway - worth a punt at that price I think... |
| raynerd:
If this the same TB6560 that is in the common 3 and 4 axis controllers, despite their rating they are apparently not suitable for even half that, likewise the voltage is rated 35v with 40max, apparently the chips blow easily if taken above 26v!! If you google TB6560 you will find the links to what I`m talking about. I`ve got one of the TB6560 3 axis drivers in front of me now so I`ve been reading a lot about them over the last few evenings...before I plug this one in and :zap: Perhaps these single drivers will behave differently. Apparently, the issue on a high voltage is during power OFF...but of course you only get the "pop" of the blown driver when you just turn it back on. Let me know how this driver goes, I`m keen to know as I`m making a few of these up and expect people would like them with a driver or at least recommendations for one. Chris |
| Swarfing:
Chris you are right, i would not recommend them above 24v (typical supply voltage). Above that is asking for trouble, had first hand experience with that. |
| Navigation |
| Message Index |
| Next page |
| Previous page |