Hi Alberto,

What type of machine do you have?  Steppers?  Servos?

What Software are you running?

Regards

TK

Group: DynoMotion	Message: 8478	From: Tom Kerekes	Date: 10/16/2013
Subject: Re: k2cnc milling machine for aluminum profiles [1 Attachment]

Hi Alberto, Did you mean the software is KMotionCNC? I don't understand what picture #1 is showing? I see a yellow mark in Z ?  Is your problem in Z or Y? It looks like you are showing Z in two different positions by a few mm.  Is this the problem?  When does it happen.  If you home Z 10 times in a row does the position repeat? Do you know what kind of servo amplifiers you have?  Do they close the position loop or does KFLOP close the position Loop. Regards TK Group: DynoMotion Message: 8479 From: Alberto Cortinas Date: 10/16/2013 Subject: Re: k2cnc milling machine for aluminum profiles Attachments : 102_1231-8479.JPG 102_1230-8479.JPG photo #1 shows that we lost position on Y axis   yellow mark is to show the home position on Y that does not repeat yes the problem is on Y axis   when is running lost the position and damage the aluminum profile and we sent to homing again and after a couple trials we got the correct home position and we start to run ok again    i do not see any amplifiers just the K2 drive control unit and inside is the KFLOP board see photos of control and servos 2013/10/16 Tom Kerekes <tk@...>   Hi Alberto, Did you mean the software is KMotionCNC? I don't understand what picture #1 is showing? I see a yellow mark in Z ?  Is your problem in Z or Y? It looks like you are showing Z in two different positions by a few mm.  Is this the problem?  When does it happen.  If you home Z 10 times in a row does the position repeat? Do you know what kind of servo amplifiers you have?  Do they close the position loop or does KFLOP close the position Loop. Regards TK Group: DynoMotion Message: 8480 From: Tom Kerekes Date: 10/16/2013 Subject: Re: k2cnc milling machine for aluminum profiles [2 Attachments] Hi Alberto, I can't tell anything from the photo.  It looks like some type of cable breakout board for KFLOP.   But it is common for systems to have KFLOP to send open loop Step/Dir pulses to the amplifiers.  The Amplifiers receive quadrature encoder counts from the encoders mounted on the motors.  The servo drives count Step pulses from KFLOP and encoder counts from the encoder.  So: #1 A bad or miss aligned encoder #2 noise on the encoder signals #3 a bad cable from the encoders back to the amplifiers #4 noise on the step/dir signals going from KFLOP to the Amplifiers can cause the position to drift.   Regards TK Group: DynoMotion Message: 8481 From: Alberto Cortinas Date: 10/17/2013 Subject: Re: k2cnc milling machine for aluminum profiles Attachments : 102_1242-8481.JPG 102_1241-8481.JPG 102_1240-8481.JPG 102_1239-8481.JPG 102_1238-8481.JPG good morning. thanks for the information we are checking now your recommendations. we see some difference on the Dynomotion program between each machine it can affect ? see attached photos 2013/10/16 Tom Kerekes <tk@...>   Hi Alberto, I can't tell anything from the photo.  It looks like some type of cable breakout board for KFLOP.   But it is common for systems to have KFLOP to send open loop Step/Dir pulses to the amplifiers.  The Amplifiers receive quadrature encoder counts from the encoders mounted on the motors.  The servo drives count Step pulses from KFLOP and encoder counts from the encoder.  So: #1 A bad or miss aligned encoder #2 noise on the encoder signals #3 a bad cable from the encoders back to the amplifiers #4 noise on the step/dir signals going from KFLOP to the Amplifiers can cause the position to drift.   Regards TK Group: DynoMotion Message: 8482 From: Alberto Cortinas Date: 10/17/2013 Subject: Re: k2cnc milling machine for aluminum profiles Group: DynoMotion Message: 8483 From: Tom Kerekes Date: 10/17/2013 Subject: Re: k2cnc milling machine for aluminum profiles [10 Attachments] Hi Alberto, I don't understand the question.  Do you have more than one machine?  The photos don't help.  Those screens are not what configures your system.  There is usually a C Program to initialize the system.  Also it is better to capture the screens on the computer.  You can capture the screens to the clip board using ALT-PRTSCR button.  Then paste to something like paint.exe and save as a *.png file. Regards TK Group: DynoMotion Message: 8484 From: Alberto Cortinas Date: 10/17/2013 Subject: Re: k2cnc milling machine for aluminum profiles yes the machine has to CNC the one on the left is the one that is giving issues. the computers  of the machine are not connected to the network i can use and USB and got the information but if you can see the values are different on the left computer    2013/10/17 Tom Kerekes <tk@...>   Hi Alberto, I don't understand the question.  Do you have more than one machine?  The photos don't help.  Those screens are not what configures your system.  There is usually a C Program to initialize the system.  Also it is better to capture the screens on the computer.  You can capture the screens to the clip board using ALT-PRTSCR button.  Then paste to something like paint.exe and save as a *.png file. Regards TK Group: DynoMotion Message: 8485 From: Alberto Cortinas Date: 10/17/2013 Subject: Re: k2cnc milling machine for aluminum profiles Attachments : 102_1244-8485.JPG 102_1243-8485.JPG tom     see photos of the machine 2013/10/17 Tom Kerekes <tk@...>   Hi Alberto, I don't understand the question.  Do you have more than one machine?  The photos don't help.  Those screens are not what configures your system.  There is usually a C Program to initialize the system.  Also it is better to capture the screens on the computer.  You can capture the screens to the clip board using ALT-PRTSCR button.  Then paste to something like paint.exe and save as a *.png file. Regards TK