Yahoo Groups archive

Homebrew PCBs

Index last updated: 2026-04-05 19:38 UTC

Message

Re: Drilling station steppers

2005-06-23 by lcdpublishing

--- In Homebrew_PCBs@yahoogroups.com, "derekhawkins" 
<derekhawkins@y...> wrote:
> >Sure it does, eliminate the ball screw and coupling and switch over 
> >to a linear motor - that is much simpler! However, in reality, much 
> >more expensive too :-(
> 
> So you consider $25.00 for a 250 RPM gearhead motor with 250 oz-in 
> stall torque expensive too? That's what was paid for the one's I'm 
> using.

No, I don't think $25.00 for that motor is too expensive.  I am saying 
that your way is not the MOST simple way to create linear motion.  A 
linear motor has no moving parts- it doesn't get any simpler than that.

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.