Last update: 07/04/09 17:27
Computer Numerical Control
Meldas

'dnc problem'

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dnc problem

mostafa (82.115.28.26) -

when i transfer a program (this program creat by power mill & send to the machine by cimco edit ) to the memory & execute this program from memory i dont have any problem & the xyz axis run very good &smooth & countiuse but when i want to run this program from pc by direct connection (dnc mode) yhe xyz axis dont run smooth & i have a step-by-step move (like this --) two program are same and all setting in cnc are also same

Comment #1 bj0629 from Peking -

First we'd better to how many baudrate and how many feedrate . Normally the problem is caused by rs232 transfering speed is lower machine feed speed. Under this condition sometimes machine tool will happen little vibration.
process way:
1.check your computer system idel process is over 95%. No virus!
2.Increasing baudrate both sides
3. if you can click off display function when transfering program.
Normally dnc software displays the content of cnc program when transfering. Computer displays a char used time is transfering time
over 7 times according different baudrate. But market DNC software has not click off display function( it's not turn off power of crt)

Comment #2 Marcus Clayton from Melbourne Australia -

I agree. Later models have bigger buffer and look ahead functions to smooth out machining. Does your post use multiple points for a curve ie thousands of XYZ points, or can you use splining to send a G03 command.
sending one piece of data to do a curve is much better than sending thousands.
As I said more powerful, late models can cope much better.

Comment #3 Donald W. Lee (71.104.195.65) -

GET E04 ERROR WHEN TRYING TO DOWNLOAD PROGRAM FROM RS32 CABLE

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