Ccruz build

I'm in the build of your 6dof design right now. I have 600mm 1610 ballscreew and 90st servos. Following the plans that cannibal smurf upload, I can use same dimensions for 600mm or I need to increase each dimension?

Thanks!

Hi Ccruz
In the fist shot i used 500mm 1605er ball screws and 500mm housing
But i´ve seen that there is unused movement cause the ball screw is to short.
Then i bought 600mm ball srews an got a new problem, its 20mm to long cause i´ve mounted the upper ball head inside the carbon rod.

So in my opinion, a 550mm SFU1605 or SFU1610 is the best compromise to use the full 430mm movement of the 500mm housing.
So it takes 1,72 seconds for the whole 430mm movement and a SFU1605 (5mm per round at 3000rpm)

BTW: i use 500mm of aluminium tube with 80mm outside and 2mm wall.
one problem i see is the noise from the ball screw is going very well through the alu-tube.
One idea is to use some noise canceling foam as cover for the tube.

kind regards
Peer

You should look into 2525 leadscrew (25mm/rev) to deal with the speed issues on long stroke actuators. And if you want to regain some power back, use 1:5 belt between the motor and the leadscrew. Then you are looking at 800mm per second...

Thanks
I have 6 x 1000mm carbon tubes like the ones used by peacemaker. I will cut them longer to not hit the ball head with the ballscreew.

One question, I have your AMC - AASD15A, when I connect the actuator it will make a hard stop in the both ends to set limits or I need to setup that?
Thanks

Please install hard stops on both ends, but the actuators only need to calibrate by fully retracting, so only one hard stop will actively used. As long as you set the proper stroke, leadscrew type and or belt ratio, it should never go beyond the available travel of the actuator.

I made a big mistake in my order and receive a DS 100s-75 driver with 26 pin connector. I contact seller and there is no way for return. There is a way to use this drivers with your controller?

According to the manual (I think its for this servo anyway), there is no torque level output signal from the servo, which will not allow hard stop calibration. External limit switch has to be added...

And even if you figure out the correct pinout from db25 on the AMC-AASD15A to the 26pin connector on your drive, there is still the issue of proper parameters in the servo drive to follow pulses smoothly and accurately...

https://www.google.com/url?sa=t&sou...FjACegQICRAB&usg=AOvVaw2Wwbpt3GROagD2Pm9DOT5P

How did this mistake happen? Was it just because was cheaper than the AASD-15A?

I think I will need to throw $800 in drivers to the trashcan. I focus on the specs of the servo thinking that all cames with the same driver. My newbie mistake. I'm more on the mechanic area than electrical soo I can't put this drivers to work myself without good help :/. I can put limit switches but not have idea on how to wire them to the Thanos and make them works and less about the parameters on the driver.

It can be done but it will be major pita...

See similar work I put to make custom wiring and parameters for the Dorna M1 servo and the Syntron HS...

https://github.com/tronicgr/AMC-AASD15A-Firmware/tree/master/DornaM1_interface

https://github.com/tronicgr/AMC-AASD15A-Firmware/tree/master/Syntron_HS_interface

Note that these servos actually have torque level sensing output...

This will work fine? They sell me the driver in $96 each

Sure it could work, but...

Have a look on the motor wiring... the encoder cable does not have same connector to be plugged in the AASD-15A servo unit.






And generally you buy the servomotors along MATCHED servo drives, as the servo drive has to have the motor parameters and calibration done in the factory.

Mmm Ok ok, I think I will try with the ones I have. I was watching your new video for sensor limit switch. I could use 6 of them for home calibration on the actuators. Connect all of them in the first two holes on servo one for power and the signal cable in each of second hole of each servo.

Correct. You can give them 5v power from same two pins on the board.

There is way I can pay you to get the correct wiring and parameters for this driver?

I got the same servo driver when i ordered a motor and driver for a ffb wheel

This is the driver that mige recommend to work with their servers

It uses -10v to +10v for cw/ccw torque control

However I dont think you need torque control for a sim - only position mode

It's a good driver imo

Good good, do you have any info about wiring more than the manual? I'm trying to figure out how to connect it to the Thanos controller

driver manuals attached

it looks like you wire up pins

3 ,13 pulse
4, 14 direction

is the encoder plug already wired up ?

No worries... I'll have a look tomorrow to compile a wiring diagram and find as much parameters I can so you can try.

Thanks
Thanos

Ignore the driver to Thanos controller wires.