Re: [Emc-users] Steppers vs Servo based CNC kit for Sherline

2008-07-29 Thread John Thornton
Sounds like you are getting some good training to use the e-stop for emergencies and not as a stop button... John On 29 Jul 2008 at 0:13, Kirk Wallace wrote: On Mon, 2008-07-28 at 23:10 -0500, Jon Elson wrote: ... snip Another thing is that axis alignment is preserved when you hit

Re: [Emc-users] Steppers vs Servo based CNC kit for Sherline

2008-07-29 Thread Kirk Wallace
On Mon, 2008-07-28 at 14:52 -0400, Sergey Izvoztchikov wrote: Thanks for all replays. I definitely didn't mean to sparkle any flame wars, sorry. It's reckless noob question, I probably shouldn't have asked. If others still want to voice their opinions, go ahead, but I absolutely not want any

Re: [Emc-users] Steppers vs Servo based CNC kit for Sherline

2008-07-29 Thread Kirk Wallace
On Tue, 2008-07-29 at 21:03 -0400, Sergey Izvoztchikov wrote: ... snip After all, CNC supposed to be the way to produce parts for my projects, not another project by itself. I did let that point get away. Beside this all there are other learning curves in front of me - CNC programming, CAM

Re: [Emc-users] Steppers vs Servo based CNC kit for Sherline Mill ?

2008-07-28 Thread Leslie Newell
Hi Sergey, IM Service do some nice servos that are ideally suited to a Sherline http://www.cadcamcadcam.com/index.asp?PageAction=VIEWCATSCategory=11 They also do some nice servo drivers though they are step/direction so you can't use the encoders as a DRO. Steppers do work and can be

Re: [Emc-users] Steppers vs Servo based CNC kit for Sherline Mill ?

2008-07-28 Thread Jon Elson
Sergey Izvoztchikov wrote: I'm faced with dilemma, which has no obvious answer for me at the moment. I was set to buy Xylotex steppers based kit for my CNC Sherline Mill. After reading more about servo based systems I'm divided, I could appreciate number of advantages of servo based systems

Re: [Emc-users] Steppers vs Servo based CNC kit for Sherline

2008-07-28 Thread Ron Ginger
I am a servo bigot, and just don't want to do anything like machining metal while flying blind, which is how I think of stepper systems. Jon I cant let this pass without a comment. As someone said earlier this is 'holy war #1' in the CNC hobby. It is a fact, not disputable, that

Re: [Emc-users] Steppers vs Servo based CNC kit for Sherline Mill ?

2008-07-28 Thread Andre' Blanchard
At 11:21 AM 7/28/2008, you wrote: I am a servo bigot, and just don't want to do anything like machining metal while flying blind, which is how I think of stepper systems. Jon Personally I would go one step farther. I want torque or velocity mode system and not a position mode (step/dir) motion

Re: [Emc-users] Steppers vs Servo based CNC kit for Sherline

2008-07-28 Thread Ray Henry
M2CW Nothing wrong with your question. No foul in the replies. We need a little heat once in a while. It tends to clarify things and you asked for clarification. Many other in the list are looking for the same info. We are really fortunate that we have as many choices as we do. Rayh On

Re: [Emc-users] Steppers vs Servo based CNC kit for Sherline

2008-07-28 Thread Jon Elson
Ron Ginger wrote: I am a servo bigot, and just don't want to do anything like machining metal while flying blind, which is how I think of stepper systems. Jon I cant let this pass without a comment. As someone said earlier this is 'holy war #1' in the CNC hobby. It is a fact, not