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Member postings for petro1head

Here is a list of all the postings petro1head has made in our forums. Click on a thread name to jump to the thread.

Thread: Warco WM18 - which Nema 34 for Z axis
05/04/2023 16:04:14
Posted by SillyOldDuffer on 05/04/2023 16:01:44:
Posted by petro1head on 05/04/2023 07:01:05:

Not for CNC, just to powerfeed the Z axis running std screws

Most reccomend a Nema 34 but was wondering which one. Hopefully someone who has done this can advise

I am looking at THIS one?

...

I just put a torque wrench on my WM18 and lifting the head takes less than 20Nm. Unfortunately that's the minimum torque my wrench can measure so the answer isn't conclusive. A 12Nm Nema 34 is definitely in the right ball-park, but an 8Nm uncertainty is a shade more than I would care to risk £70 on.2

Dave

I agree and will probably get the 12Nm one

05/04/2023 16:01:58

As i will need a new motor to finish the Y axis project its not a problem buying a new one Martin,

05/04/2023 14:05:06

Its a typo, 1204 oz.in = 8.5 Nm

05/04/2023 12:38:15
Posted by Rydda on 05/04/2023 12:37:19:

FWIW Clough42 mentions in the commentary that his motor had about 8Nm of torque. The motor you showed was one size larger with 12Nm of torque, so I assumed it would be more than sufficient.

Thats a valid point, thanks

PS lookingvat his vid again i think he uses THIS Nema 34.  Not sure why it costs more tho

Edited By petro1head on 05/04/2023 12:59:14

05/04/2023 12:23:17
Posted by Rydda on 05/04/2023 12:20:38:

Have you checked the Clough42 video from Oct24 2018 ( https://youtu.be/1vnn_5tAmnM ) ?

I have but he does not say which Nema 34 he used, so i asked the question, thanks. I also contacted the company he got the kit from but as yet no reply

05/04/2023 11:40:58

PS, i found my old thread when i did the Z axis conversion and Joseph Noci 1 did suggest i may need a Nema 34

This is my Y axis project, i am using an old stepper for sizing etc

y axis.jpeg

Edited By petro1head on 05/04/2023 11:44:18

05/04/2023 11:34:08

Ah right, i use stepperonline and they only go to 3Nm, hence why i thought 3 was the highest

However looking at that 4.5Nm stepper motor its going to make it more expensive going that route, about £120 with the driver. They also dont show what the torque curve is, i have emailed them tho

05/04/2023 10:40:56

Its 3Nm and the highest Nm one in the 23 series

As i will one for the Y axis project, i will use the current Nema 23 for Y and a new one, probably a 34 for the Z

05/04/2023 09:29:47

A bit more info.

I currently have a Nema 23 on the Z axis but it often stalls as higher speed so my thought were to replace the Z power feed with a Nema 34 and use the Nema 23 for the Y axis which is a project I am currently working on.

05/04/2023 09:27:51
Posted by not done it yet on 05/04/2023 09:02:13:
Posted by Engine Builder on 05/04/2023 08:33:57:

I have this one on my Raglan mill, it works very well..

https://youtu.be/uRLs1ZT8XJE

https://www.omc-stepperonline.com/nema-23-bipolar-3nm-425oz-in-4-2a-57x57x114mm-4-wires-stepper-motor-cnc-23hs45-4204s?tracking=5aaf0b2bd216e

The small Raglan mill is delightfully light to use, both traversing and raising the knee. But I think raising the head on a wm18 might need a bit more oomph than traversing the table on the little Raglan.

At least the head is a fairly constant weight, not like raising s table with a heavy item loaded onto it.

I think I would investigate the assister rams, to lighten the load, before deciding on the size of the motor required.

The power feed on the Ragain is you an X axis which is a lot easier to power than as Z axis as you say.

The WM18 already has a gas ram on the Z axis

05/04/2023 07:22:03

not sure how i would measure that

I was hoping for someone who has done the conversion just to tell me which motor to use

05/04/2023 07:01:05

Not for CNC, just to powerfeed the Z axis running std screws

Most reccomend a Nema 34 but was wondering which one. Hopefully someone who has done this can advise

I am looking at THIS one?

Edited By petro1head on 05/04/2023 07:23:48

Thread: Knurling tool
01/04/2023 12:45:37
Posted by Sonic Escape on 01/04/2023 12:16:48:

Blondihacks has a lot of interesting stuff. She has also a video where she is building a knurling tool:

Watched it this morning

01/04/2023 12:11:30

This morning i spent a couple hours fettling my cheap knurler. Its much tighter now with no wagging arms. Yet to try it.

Also on a different note i stumbled accross Blondihacks YouTube channel. Some great projects. Also while watcher her stuff i also stumbled on Clough42s channel. Also very interesting

31/03/2023 16:10:21

I tried to make the tool as sturdy as poss but its a fairly cheap one.

Thread: Blueing
31/03/2023 13:04:52
Posted by Sonic Escape on 31/03/2023 11:24:44:

What method did you used in the end? How does it look like? Acetone is a nice non toxic degreaser and is widely available.

I bought the Nickerson. Results was very patch but i suspect i did not clean and degrease properly

31/03/2023 11:09:31

Got my blueing and had a first attemp but i suspect the part was not properly degreased. Just wondering what people use to degrease? Could i use brake cleaner?

Thread: Knurling tool
31/03/2023 10:18:02

I thi k i have cracked it

knurling.jpeg

Thread: Blueing
28/03/2023 22:33:01
Posted by Grindstone Cowboy on 28/03/2023 22:20:31:

Well, you missed this one,

Rob

Links to https://www.model-engineer.co.uk/forums/postings.asp?th=177264

Cheers, ordered some of the Nickerson from Amazon

Edited By petro1head on 28/03/2023 22:35:54

28/03/2023 22:04:18

So we are both right, 7 topics and x number of posts.

well i think we have covered that

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