CAD CAM EDM DRO - Yahoo Group Archive

Re: Re: Brushless Servo

Posted by TheDragonPit
on 1999-10-10 06:18:49 UTC
an old IBM printer is where I got my two 34frame unipolars out off
pick it up at the computer flea market for 2 dollars.
Henry
----- Original Message -----
From: <PTENGIN@...>
To: <CAD_CAM_EDM_DRO@onelist.com>
Sent: Sunday, October 10, 1999 5:08 AM
Subject: Re: [CAD_CAM_EDM_DRO] Re: Brushless Servo


> From: PTENGIN@...
>
> In a message dated 10/09/1999 6:08:42 PM Hawaiian Standard Time,
> gregg@... writes:
>
> <<<snip> Another source is the range of ink jet and laser printers.<snip>
>
> Jim Gregg
> >>
>
> I remember seeing large servo's (or were they steppers?) driving the
carriage
> of the old Qume daisy wheel printers. I think DEC writers and others may
> have had large motors too. Old IBM stuff had clutches and belt drives from
> constant running jack shafts. Some of the larger IBM line printers had
very
> large steppers driving the paper through the machines. Older hard disk
drives
> often had band drives or lead screws on steppers moving the head back and
> forth just like the old 8 inch floppy's. Some had voice coil style servos.
(
> basically a linear motor) Large drum plotters often have servo's or steppers
> in them also. Hopefully others can add to the machines we can look through.
>
> Peter
> PT Engineering Co.
>
> > Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the discussion of shop built systems in the above catagories.
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> bill,
> List Manager

Discussion Thread

Raynor Johnston 1999-10-09 10:48:34 UTC Re: Brushless Servo Jim GREGG 1999-10-09 17:49:26 UTC Re: Re: Brushless Servo Jim GREGG 1999-10-09 21:08:28 UTC Re: Re: Brushless Servo Jon Elson 1999-10-10 01:01:32 UTC Re: Re: Brushless Servo PTENGIN@x... 1999-10-10 03:08:19 UTC Re: Re: Brushless Servo TheDragonPit 1999-10-10 06:18:49 UTC Re: Re: Brushless Servo JVCroad@x... 1999-10-10 07:05:11 UTC Re: Re: Brushless Servo Don Hughes 1999-10-10 08:34:54 UTC Re: Re: Brushless Servo Jon Elson 1999-10-10 20:47:43 UTC Re: Re: Brushless Servo Ian Wright 1999-10-11 09:29:43 UTC Re: Re: Brushless Servo PTENGIN@x... 1999-10-11 15:45:08 UTC Re: Re: Brushless Servo batwings@x... 1999-10-11 09:45:02 UTC Re: Re: Brushless Servo Ian Wright 1999-10-12 11:20:03 UTC Re: Re: Brushless Servo Jon Anderson 1999-10-13 07:44:48 UTC Re: Re: Brushless Servo