I've had it working for several months with the servo motor hanging out the front, with pulley cover off.
The last couple of days I spend relocating the servo motor so that I can put the belt cover back on.
I was able install the ELS with minimal modification to the lathe.
Drill and tap two M4 tapped for encoder bracket, trim a little off the belt cover to clear the servo motor bracket and cut a bigger hole for the display.
I was able to test the ELS speed measurement system with the old tach in place as a sanity check. Both read exactly the same.
1/ Encoder is driven by a GT2 belt and pulley arrangement, with a 1:2 ratio. 8192 pulses per spindle rotation.
2/ Encoder spindle pulley is 120T and is split and 3D printed from PLA.
3/ Encoder pulley is 60T printed from 3D printed from PLA.
4/ Encoder bracket is 3D printed from PLA.
I think the rest of the installation is self explanatory. Mainly pieces of scrap mild steel and a few metric screws.
The servo to leadscrew belt drive is 1:1 and the gearbox is set to 2:1.
The servo motor just fits in the hole in the headstock casting with room for cooling and maintenance.
I will probably replace the encoder 3D printed 60T pulley with an aluminum one.
I have also ordered 24T and 72T pulleys for the lead screw drive, in case I need more torque.
No issues with the controls. No noise or unexpected behavior.
I also have a Clough42 ELS on my Taig 2 lathe. That was a little more effort because I had to add a leadscrew and split nut.
A fun project. No more greasy fingers changing the gears. and a lot quieter.
The last couple of days I spend relocating the servo motor so that I can put the belt cover back on.
I was able install the ELS with minimal modification to the lathe.
Drill and tap two M4 tapped for encoder bracket, trim a little off the belt cover to clear the servo motor bracket and cut a bigger hole for the display.
I was able to test the ELS speed measurement system with the old tach in place as a sanity check. Both read exactly the same.
1/ Encoder is driven by a GT2 belt and pulley arrangement, with a 1:2 ratio. 8192 pulses per spindle rotation.
2/ Encoder spindle pulley is 120T and is split and 3D printed from PLA.
3/ Encoder pulley is 60T printed from 3D printed from PLA.
4/ Encoder bracket is 3D printed from PLA.
I think the rest of the installation is self explanatory. Mainly pieces of scrap mild steel and a few metric screws.
The servo to leadscrew belt drive is 1:1 and the gearbox is set to 2:1.
The servo motor just fits in the hole in the headstock casting with room for cooling and maintenance.
I will probably replace the encoder 3D printed 60T pulley with an aluminum one.
I have also ordered 24T and 72T pulleys for the lead screw drive, in case I need more torque.
No issues with the controls. No noise or unexpected behavior.
I also have a Clough42 ELS on my Taig 2 lathe. That was a little more effort because I had to add a leadscrew and split nut.
A fun project. No more greasy fingers changing the gears. and a lot quieter.
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