On Sunday, February 05, 2012 02:16:37 PM Lars Andersson did opine:

> I am using AXIS 2.4.7 (caption  says 2.4.6)
> 
> 
> 
> At startup jog speed on axis A is 2094 deg/min and maximum is 21600.
> More suitable in my case would be default 100 max 2000 or so. How do I
> change the jog speed defaults?
> 
> 
> 
> I have also tried to change axis 3 in the .ini to TYPE = LINEAR. This
> seems to have no effect. In my current  case linear is more natural
> than angular, but it does not matter really. Just tried it to see if
> jog settings would change.
> 
In your .ini file, this section

[TRAJ]
AXES = 4
COORDINATES = X Y Z A
MAX_ANGULAR_VELOCITY = 30.00 <---------
DEFAULT_ANGULAR_VELOCITY = 10.00 <-------
ANGULAR_UNITS = degree  <-------

You can adjust the arrowed values.  Mine is a stepper driven POS & not very 
fast & too much backlash. :(

AIUI, the ABC axis's are assumed to be rotary for most purposes.  They 
correspond to having a axis of rotation that is aligned with X for A, Y for 
B and Z for C.  Eg when the table is flat on the mills table facing up, 
then it becomes axis C, standing on the end of the mills table facing the 
other end of the mills table which may have a tail stock mounted on the 
other end, it is axis A

There are similar entries in the individual AXIS sections:
[AXIS_3]
TYPE = ANGULAR
HOME = 0.0
MAX_VELOCITY = 30.0
MAX_ACCELERATION = 200.0
STEPGEN_MAXACCEL = 300.0

I see I don't have any "headroom" in MAX_VELOCITY, which could lead to 
joint following errors, so I should add 5 to the axis 3 entry.  New 
computer, new profile, new driver packages  & not at all optimized yet. :)

For C use, the [AXIS_3] and [AXIS_4] entries need to be there but empty, 
and the above becomes [AXIS_5]

HTH.

Cheers Lars, Gene
-- 
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