Re: [Emc-users] tapping problem?

2012-01-16 Thread andy pugh
On 16 January 2012 05:42, a...@conceptmachinery.com wrote: i there spindle motor and motor drive that can be better used for tapping? You can monitor motor current on any drive, sometimes it is built in to the drive, but otherwise there are various forms of current sensing element that can be

Re: [Emc-users] tapping problem?

2012-01-16 Thread John Thornton
Sure you look at the tap before using it... if it is worn out toss it out. New taps are much cheaper than removing a broken tap. All it takes it a 10x and one eye and one second of time. John On 1/15/2012 11:42 PM, a...@conceptmachinery.com wrote: Hi i there spindle motor and motor drive

Re: [Emc-users] tapping problem?

2012-01-16 Thread Peter C. Wallace
-users] tapping problem? Hi i there spindle motor and motor drive that can be better used for tapping? Problem with use tap is that spindle motor can easy crash tap and after that extra charge - + equipment - to remove broke tap from hole. Every one try to get max from each tap and many times

Re: [Emc-users] tapping problem?

2012-01-16 Thread a
-users] tapping problem? Hi i there spindle motor and motor drive that can be better used for tapping? Problem with use tap is that spindle motor can easy crash tap and after that extra charge - + equipment - to remove broke tap from hole. Every one try to get max from each tap and many times

Re: [Emc-users] tapping problem?

2012-01-16 Thread Jon Elson
a...@conceptmachinery.com wrote: Hi i there spindle motor and motor drive that can be better used for tapping? Problem with use tap is that spindle motor can easy crash tap and after that extra charge - + equipment - to remove broke tap from hole. I have been using rigid tapping with EMC2

Re: [Emc-users] tapping problem?

2012-01-16 Thread a
a...@conceptmachinery.com wrote: Hi i there spindle motor and motor drive that can be better used for tapping? Problem with use tap is that spindle motor can easy crash tap and after that extra charge - + equipment - to remove broke tap from hole. I have been using rigid tapping with EMC2

Re: [Emc-users] tapping problem?

2012-01-16 Thread gene heskett
On Monday, January 16, 2012 04:29:38 PM Jon Elson did opine: a...@conceptmachinery.com wrote: Hi i there spindle motor and motor drive that can be better used for tapping? Problem with use tap is that spindle motor can easy crash tap and after that extra charge - + equipment - to remove

Re: [Emc-users] tapping problem?

2012-01-16 Thread gene heskett
On Monday, January 16, 2012 04:35:12 PM a...@conceptmachinery.com did opine: a...@conceptmachinery.com wrote: Hi i there spindle motor and motor drive that can be better used for tapping? Problem with use tap is that spindle motor can easy crash tap and after that extra charge - +

Re: [Emc-users] tapping problem?

2012-01-16 Thread Ed
a...@conceptmachinery.com wrote: a...@conceptmachinery.com wrote: Hi i there spindle motor and motor drive that can be better used for tapping? Problem with use tap is that spindle motor can easy crash tap and after that extra charge - + equipment - to remove broke tap from hole. I have been

Re: [Emc-users] tapping problem?

2012-01-16 Thread Jon Elson
a...@conceptmachinery.com wrote: Hi Tapping cycle use very slow motion, why drive can not stop motion of spindle? if max rpm for tapping around 100 rpm , can drive stop spindle ? it is possible to program for 70% or torque that actually will crash tap, to have some safety Is 1200 RPM slow? I

Re: [Emc-users] tapping problem?

2012-01-16 Thread Jon Elson
Ed wrote: If Fanuc, Siemens, Mazak, et al have not implemented torque limiting for taps I would guess that it is much more difficult than it looks. Yes, I would think that the spindle must come to a stop within 5 degrees of rotation from when the overload is detected. I think that

Re: [Emc-users] tapping problem?

2012-01-16 Thread Jon Elson
gene heskett wrote: That was when I learned about EDM to remove the taps. :) Slow, but does the job without hurting the hole. I have since built a better PSU for that, works nicely but you can hear it running blocks away, very _VERY_ noisy, estimated 140db inside the teeny shop I have.

Re: [Emc-users] tapping problem?

2012-01-16 Thread gene heskett
On Monday, January 16, 2012 11:00:35 PM Jon Elson did opine: gene heskett wrote: That was when I learned about EDM to remove the taps. :) Slow, but does the job without hurting the hole. I have since built a better PSU for that, works nicely but you can hear it running blocks away,

[Emc-users] tapping problem?

2012-01-15 Thread a
Hi i there spindle motor and motor drive that can be better used for tapping? Problem with use tap is that spindle motor can easy crash tap and after that extra charge - + equipment - to remove broke tap from hole. Every one try to get max from each tap and many times tap that look good crashed