On 02/02/2017 10:06 AM, James Reed wrote:
> The spindle brake is usually something that holds the spindle after stopping.
> I believe my Bridgeport has a ratchet which engages a gear. Obviously, I
> don't want to try to use that to bring the spindle to a stop.
>
>
All of the Bridgeports I've
On 02/02/2017 09:42 AM, dragon wrote:
> Ed Fanta does rigid tapping on his CHNC. I don't believe that he has a
> breaking resistor on the VFD even. IIRC I watched the output of the
> SPINx1 and it just goes from a + voltage to a - voltage and does not
> "stop" he does have a fairly high line count
On 02/02/2017 09:42 AM, dragon wrote:
> Ed Fanta does rigid tapping on his CHNC. I don't believe that he has a
> breaking resistor on the VFD even. IIRC I watched the output of the
> SPINx1 and it just goes from a + voltage to a - voltage and does not
> "stop" he does have a fairly high line count
On Thursday 02 February 2017 10:29:11 Jim Craig wrote:
> On 2/2/2017 9:13 AM, John Thornton wrote:
> > I also have an Automation Direct GS2 on my BP knee mill and rigid
> > tap with it (need the braking resistor).
> >
> > JT
>
> John,
>
> That is an interesting point. I am getting ready to add
ursday, February 2, 2017 3:29 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] VFD recommendations - braking resistor vs mechanical
brake.
On 2/2/2017 9:13 AM, John Thornton wrote:
> I also have an Automation Direct GS2 on my BP knee mill and rigid tap
> with it (need the brak
Ed Fanta does rigid tapping on his CHNC. I don't believe that he has a
breaking resistor on the VFD even. IIRC I watched the output of the
SPINx1 and it just goes from a + voltage to a - voltage and does not
"stop" he does have a fairly high line count BEI(?) encoder on the spindle.
It works very
On 2/2/2017 9:13 AM, John Thornton wrote:
> I also have an Automation Direct GS2 on my BP knee mill and rigid tap
> with it (need the braking resistor).
>
> JT
John,
That is an interesting point. I am getting ready to add gear tooth
sensors on the bull gear so I can rigid tap. I don't have a
