Re: [Emc-users] How to Hob (andy pugh)

2019-11-15 Thread andy pugh
On Fri, 15 Nov 2019 at 16:55, Henk du preez wrote: > I could not get rid of the unwind problem but managed to devise a > workaround. I have found two ways round this. The first way is using a mux component to latch the position at which the change happened, which is described on my page on the w

Re: [Emc-users] Question about HAL streamer

2019-11-15 Thread Leonardo Marsaglia
Hello Nicklas. I'll be digging into it this weekend. I'm sure I'm going to need a hand so I'll be telling you soon. Thank you! El 13 nov. 2019 15:01, "Nicklas Karlsson" escribió: > Use the opposite sampler and might be able to help you if needed. You got > the file format? > > > Hello to all.

Re: [Emc-users] How to Hob (andy pugh)

2019-11-15 Thread Henk du preez
Hi We operate a retrofitted pfauter hobbing machine at work. I could not get rid of the unwind problem but managed to devise a workaround. This is a servo system with feedback and PID. I first used the encoder-ratio component that is included in the standard iso. With a first job after homing, t

[Emc-users] How to Hob

2019-11-15 Thread andy pugh
Some time ago I realised that a spindle encoder allows LinuxCNC to do gear-hobbing. (And I made a video which now has 200,000 views, so there is clearly some interest in the subject) At that time I linked the output of some HAL logic direct to the stepgen of the rotary axis. In a later iteration I