Help Stepper motor

[esystems]

Hi, I found 8 stepper motors from several old IBM printer.
But I need info ans specs about they.

I Have the following info.

Sanyo
DC 2.5V
2.1 A
1.8 DEG/step
6 wires.

Thanks

Mariano

[irving2008]

wrong forum to post this request on...

Those can be used as unipolar (6wire) or bipolar (4 wire) steppers. Bipolar will give most torque. There should be a part #, something like 103H..... These ones are likely to be a special build for IBM, at a guess from looking at Sanyo data they'll be 0.5 - 1Nm holding torque but best answer is to actually measure it. what diameter is the motor body?

[svenakela]

Moved.

[esystems]

Sorry for my mistake.
The motors are 103-809-0241 and 103-809-0242
Base motor 8,5 cm - high 6 cm.

[irving2008]

Originally Posted by esystems Sorry for my mistake. The motors are 103-809-0241 and 103-809-0242 Base motor 8,5 cm - high 6 cm.

Well there's little info on these motors on the web, although I did find a reference to IBM part #6019886 and some info on the physical dimensions that suggest they are similar in size to a standard NEMA34 stepper motor - are they like the drawing below? If so then these may well be more powerful than I first thought, possibly 1.5Nm but again, I'd test them to be sure.

[esystems]

You are right, the IBM #6019886 and #6019885.
The size are very similar.
I`m trying to use in a router of 1mt X 2 mt. What do you think, can its works?
Only for woodwoorking.
Which kind of transmission do you recommend?
Have plans for this size?
Thanks for all you help and info.

[irving2008]

Originally Posted by esystems You are right, the IBM #6019886 and #6019885. The size are very similar. I`m trying to use in a router of 1mt X 2 mt. What do you think, can its works? Only for woodwoorking. Which kind of transmission do you recommend? Have plans for this size? Thanks for all you help and info.

Without knowing the motor characteristics, the expected loading for your router design and your expected traverse speeds its hard to say.

As I said before I suspect these motors are around 1.5Nm based on a quick glance at the Sanyo catalog (they aren't listed but recent Sanyo 2amp NEMA34 motors are listed at 2.1Nm but as these are more modern devices I'd use 1.5Nm holding torque as a starting point.) On that basis, directly driving good quality ballscrews they may well do for the X and Y axis.

As to plans for a router I can't help, but there are plenty of examples elsewhere on this site.