Re: CNC Without a PC for Amish

I think these Amish are keeping the CNC machines in the back room to
make tourist souvenirs and the line shaft machines out front where
the tourists can see them.

But hey, color me a skeptic!

Best,

BW

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Jeffrey Goldberg"
<jeff@w...> wrote:

>
> Uh, I think the Amish can't use diesels.
>
> Jeff (Rube's cousin :-)
>
>
>
> -----Original Message-----
> From: CAD_CAM_EDM_DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of Jon Elson
> Sent: Thursday, December 22, 2005 9:39 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] CNC Without a PC for Amish
>
> Ken Strauss wrote:
>
> >RO=Receive Only (no keyboard)
> >KSR=Keyboard Send and Receive
> >ASR=Automatic Send and Receive (paper tape reader and punch)
> >
> >KSR/ASR-33=economy version
> >KSR/ASR-35=industrial strength version
> >
> >
> It is pretty unlikely you will find many ASR-33's in functional

condition.

> A friend of mine worked at the computer center and got curious

about

> the lifetime of these, and went through Teletype's documentation

and found

> the shocking truth. They were rated for one rebuild at 1000 power-

on

> hours. At 2000 power on hours, you pitched them in the dumpster.
> 1000 hours = 41.7 days. So, they had an operational life of less

than

> 3 months. They got into this discussion because some units reached
> wear-out before the warranty expired, and Teletype refused to

repair

> them any more.
>
> As for non-computer NC, there is (was) the abominable MOOG hydra-

point

> machine, that used an all pneumatic tape-NC control. If you can

provide

> hydraulic power and compressed air with Diesel engines, all you'd

have

> to hack would be the spindle drive. It didn't take ASCII G-code,

though.

> And, they were a nightmare of the finest Rube Goldberg technology!
>
> Jon
>
>
>
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