Talk:CNC Torch Table Z Height Control - Revision history

Oliver: /* Sat Jul 22, 2017 */

2017-08-15T09:58:48Z

Sat Jul 22, 2017

← Older revision		Revision as of 09:58, 15 August 2017
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	8. Timing-strategies		8. Timing-strategies

			9. Calibration


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	- maybe the board should be also mounted on the carriage, so that the SeonsorHead-cable is not bend when moving		- maybe the board should be also mounted on the carriage, so that the SeonsorHead-cable is not bend when moving



	=== Timing strategies ===		=== Timing strategies ===

	- adding delays between motor-movements and measuring may help against noise		- adding delays between motor-movements and measuring may help against noise



			=== Calibration ===

			More sophisticated calibration: Instead of calibrating at min/max value and calculating the in-between positions one could do a more sophisticated calibration by measuring individually at each in-between-position and producing a calibration-table. This could better resemble the real tuning-curve, which may be not exactly linear.

Oliver at 13:25, 11 August 2017

2017-08-11T13:25:02Z

← Older revision		Revision as of 13:25, 11 August 2017
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	- make J5 pin-compatibel to standard/commercial EndStops		- make J5 pin-compatibel to standard/commercial EndStops



	= '''Wed Aug 09, 2017''' =		= '''Wed Aug 09, 2017''' =

Oliver: /* Wed Aug 09, 2017 */

2017-08-11T13:24:34Z

Wed Aug 09, 2017

← Older revision		Revision as of 13:24, 11 August 2017
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	- add a 4-pole terminal that is connected to the SHIELD-ground		- add a 4-pole terminal that is connected to the SHIELD-ground

			- make J5 pin-compatibel to standard/commercial EndStops



	= '''Wed Aug 09, 2017''' =		= '''Wed Aug 09, 2017''' =

Polemidis at 02:42, 10 August 2017

2017-08-10T02:42:13Z

← Older revision		Revision as of 02:42, 10 August 2017
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	Have you already tested it by applying some gcodes ?		Have you already tested it by applying some gcodes ?

			Yes, we tested some G codes. I was struggling to find out the wiring. Some pictures have conflicting information, the .pdf about the TB6600 has errors, and on top of that the 2 different ramps I was testing were burned out.
			Anyway, we tested 4 motors, we put back the Ramps we need it -as you very well mentioned-, and we are going to go to the next step, the wiring with cat5 cable.

			Thanks for all the help, everything is so clear right now!

	= '''Sat Jul 22, 2017''' =		= '''Sat Jul 22, 2017''' =

Oliver at 01:33, 10 August 2017

2017-08-10T01:33:24Z

← Older revision		Revision as of 01:33, 10 August 2017
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	{{RightTOC}}		{{RightTOC}}


			= '''Wed Aug 09, 2017''' =

			things, that could be optimized in a possible next iteration of the pcb:

			- replace J7 with a 5-pole terminal (including the SW signal).

			- add a bigger sized terminal at J4 (powersupply via the pcb for the TB6600). Could be same type like the Phoenix-connector of the powerplug.

			- add a 4-pole terminal that is connected to the SHIELD-ground

Oliver: /* Wed Aug 09, 2017 */

2017-08-10T01:24:33Z

Wed Aug 09, 2017

← Older revision		Revision as of 01:24, 10 August 2017
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	Hey, thats cool ;) , as i can see in [http://opensourceecology.org/wiki/File:CNC_Torch_1708_2_motors_in_parallel_on_TB6600_without_ramps.jpg] you have already two steppers on one TB6600 ! And yes, i was also thinking that the Ramps can be ommitted, if you supply the TB6600 directly with power and dont use the pololu stamps. The Ramps is just a kind of adapter but maybe for some things like endstops it could be more convenient. Theoretically you could use even any pins on the Mega in an arbitrary order, but if you choose the same pin-numbers like on the Ramps you are immediately compatible to programms like Marlin (without changing its pin-mapping-tables).		Hey, thats cool ;) , as i can see in [http://opensourceecology.org/wiki/File:CNC_Torch_1708_2_motors_in_parallel_on_TB6600_without_ramps.jpg] you have already two steppers on one TB6600 ! And yes, i was also thinking that the Ramps can be ommitted, if you supply the TB6600 directly with power and dont use the pololu stamps. The Ramps is just a kind of adapter but maybe for some things like endstops it could be more convenient. Theoretically you could use even any pins on the Mega in an arbitrary order, but if you choose the same pin-numbers like on the Ramps you are immediately compatible to programms like Marlin (without changing its pin-mapping-tables).

	For finding the pins for the axes on the Ramps, the silk-screen on [http://opensourceecology.org/w/images/e/eb/Os_manthc_ramps-wiring1.png] is helpful, if you watch it at highest possible resolution there are very fine pin descriptions in grey color. For the X-axis as an example, there are blue points showing the relevant pins on the x-connector. A diagramm that points out the connections more clearly is on [http://opensourceecology.org/w/images/c/cd/Os_ramps_to_tb6600_wiring.jpg]. If you want to connect directly to the mega, the schematic that you uploaded at [http://opensourceecology.org/w/images/f/f6/RAMPS1.4schematic.png] is appropriate to identify the pin-numbers on the Mega cpu.		For finding the pins for the axes on the Ramps, the silk-screen on [http://opensourceecology.org/w/images/e/eb/Os_manthc_ramps-wiring1.png] is helpful, if you watch it at highest possible resolution there are very fine pin descriptions in grey color. For the X-axis as an example, there are blue points showing the relevant pins on the x-connector. A diagramm that points out the connections more clearly is on [http://opensourceecology.org/w/images/c/cd/Os_ramps_to_tb6600_wiring.jpg]. If you want to connect directly to the mega, the schematic that you uploaded at [http://opensourceecology.org/w/images/f/f6/RAMPS1.4schematic.png] is appropriate to identify the pin-numbers on the Mega cpu (and also the (small grey) pin labels on the silkscreen).

	Have you already tested it by applying some gcodes ?		Have you already tested it by applying some gcodes ?








	= '''Sat Jul 22, 2017''' =		= '''Sat Jul 22, 2017''' =

Oliver at 01:21, 10 August 2017

2017-08-10T01:21:59Z

@@ Line 1: / Line 1: @@
 {{RightTOC}}
 Hello Oliver. I started a new page for the [[CNC_Torch_1708]] so not to mess with your height controller. Thanks for the pictures  man, I finally got it working without the ramps. With the Ramps on, I cannot find the pins for the axes (Emmanouil)
 = '''Sat Jul 22, 2017''' =

Polemidis at 20:40, 9 August 2017

2017-08-09T20:40:35Z

← Older revision		Revision as of 20:40, 9 August 2017
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	{{RightTOC}}		{{RightTOC}}

	Hello Oliver. I started a new page for the [[CNC_Torch_1708]] so not to mess with your height controller. Thanks for the pictures man, I finally got it working without the ramps. With the Ramps on, I cannot find the pins for the axes		Hello Oliver. I started a new page for the [[CNC_Torch_1708]] so not to mess with your height controller. Thanks for the pictures man, I finally got it working without the ramps. With the Ramps on, I cannot find the pins for the axes (Emmanouil)

	= '''Sat Jul 22, 2017''' =		= '''Sat Jul 22, 2017''' =

Polemidis at 20:40, 9 August 2017

2017-08-09T20:40:14Z

← Older revision		Revision as of 20:40, 9 August 2017
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	{{RightTOC}}		{{RightTOC}}

			Hello Oliver. I started a new page for the [[CNC_Torch_1708]] so not to mess with your height controller. Thanks for the pictures man, I finally got it working without the ramps. With the Ramps on, I cannot find the pins for the axes

	= '''Sat Jul 22, 2017''' =		= '''Sat Jul 22, 2017''' =

Oliver: /* Better test-rig and -setup */

2017-07-25T16:30:38Z

Better test-rig and -setup

← Older revision		Revision as of 16:30, 25 July 2017
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			- maybe the board should be also mounted on the carriage, so that the SeonsorHead-cable is not bend when moving

	=== Timing strategies ===		=== Timing strategies ===

	- adding delays between motor-movements and measuring may help against noise		- adding delays between motor-movements and measuring may help against noise