Orbiter Extruder Motor

Prathik

Hi all..
We are planning to build a printer with Independent Dual extruders, here I am not sure about few things. I want to confirm it before starting the work.
Using the components:

Power Supply 48V
Duet 3 6HC board
For X, U axis Using LDO NEMA 17 Stepper 42STH48 2504AC 48MM (https://shop.panther3d.in/product/ldo-nema-17-stepper-motor-ldo-42sth48-2504ac/)
For Z axis Using Dual Z Dependent NEMA 17
For Y axis NEMA 23 Lead shine 4 wire
current/phase -3A
resistance/phase - 0.8 ohms
Inductance/phase - 2.8mH
planning to use Orbiter Extruder for Extruder0 (E0) & Extruder1(E1) which uses LDO-36STH20-1004AHG motor(https://www.trianglelab.net/products/orbiter-extruder-v20?VariantsId=10239)

I've tried searching whether we can operate the orbiter extruder motor on 48V DC.
Here my question is
1.Can Duet 3 6HC drive NEMA 23 motors on 48V PS?
2.Can we operate Orbiter Extruder motor E0 & E1 on 48V PS?

Could you guys help with this

Thanks in advance.
prathik.s

jay_s_uk

@Prathik as long as its a 6HC v1.02 then the answer to both questions is yes

techworld

@jay_s_uk Thank you for responding
I'm unable to Reply from my personal account @Prathik
Here we are not sure whether the Orbiter Extruder motor can handle 48V DC power supply.
I don't want to use 24V power supply separately for the Orbiter Extruder, we want to connect it directly to the Duet 3 6HC MB Stepper Output terminals.

https://www.trianglelab.net/products/orbiter-extruder-v20?VariantsId=10239
this extruder has NEMA 14 36mm pancake stepper motor with the following rating

Current/phase - 1.0 A
Resistance/phase - 2.1*(1+/-15%) Ohms
Inductance/phase - 1.6*(1+/-20%) mH

We require support regarding this.

Thank you.

droftarts

@Prathik if you’re running everything on 48V, make sure your heaters are specified for 48V. Don’t use 24V heaters; they will be overpowered, and have the ability to reach dangerously high temperatures.

Wiring multiple tools back to the the 6HC will be a pain. Have you considered using toolboards? You could also use 24V on them, which is plenty for the extruder motors, and allow use of more generally available heaters.

Ian

techworld

thank you @droftarts
Can we run stepper motors with separate power like few motors with 24V DC and few motors with 48V DC (Like the Big Tree Tech Octopus Pro board)?

jay_s_uk

@techworld no. but you can run the orbiter on 48v no problem

techworld

@jay_s_uk We were doubtful about connecting Nema 23 motors directly to 6 HC boards. I hope it doesnt need any external stepper drivers, isnt it? If the current is less than 5A, we can directly connect 4 wires to the board.

jay_s_uk

@techworld why? I've ran NEMA 14, 17 and 23s quite happily with a 6HC and I know 34s can be used directly too.
You cannot connect an external driver to a 6HC directly. You'd have to use a 1XD or 6XD

dc42

@techworld the 6HC and 3HC can drive Nema 23 motors easily, and some Nema 34 motors too.

o_lampe

@droftarts said in Orbiter Extruder Motor:

You could also use 24V on them, which is plenty for the extruder motors

I don't fully agree with that. A geared extruder runs quite fast and with 'full current'. So it benefits from higher voltage.
Especially when you retract/unretract with 'speed' it provides an extra safety margin.

droftarts

@techworld see this thread for a discussion about voltage and stepper motors.: https://forum.duet3d.com/topic/32320/i-m-confused-about-stepper-motor-voltage

Ian