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Messages - Rimmel

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81
General Mach Discussion / Re: Ignoring feed bug or me got it wrong?
« on: June 05, 2014, 02:17:10 PM »
When using a lathe it is normal to programme in feed per rev, makes life a lot simpler as well as no matter what your spindle speed is you will just have to programme a couple of feedrates. For example I normally use 0.3mm/rev for roughing and 0.15mm/rev for finish.

I will check tomorrow and see what I am using on the lathe.

Hood

OK advice duly noted regarding feed per rev :-)

One thing though - what will jogging use? Will that still be set to mm/min? So will it flash between the two?

Thanks

82
General Mach Discussion / Re: Ignoring feed bug or me got it wrong?
« on: June 05, 2014, 01:50:12 PM »
Yes - thanks, reverting back to 057, unless you are using a different one.

G95 - oh, I'm fairly new to cnc and g-code but all the programs and code examples I've seen/been given work in mm/min.

Also i thought mm/min was the norm because in motor tuning the steppers are set in mm/min???

thanks again - much appreciated.

83
General Mach Discussion / Re: motor control used Mach3 via VB.NET ?
« on: June 02, 2014, 07:57:17 PM »
Look up arduino. Great realtime control of steppers for small projects. E.g people have created etch a sketch auto drawing hardware with arduino and steppers.

84
General Mach Discussion / Ignoring feed bug or me got it wrong?
« on: June 02, 2014, 04:23:26 PM »
Using latest version 3.043.066.

I am in Metric mode and feed is set to mm/min, CSS.

When I start a program the feed g-code command is ignored, and if I go to the manual screen the feed commands commands are ignored.

e.g. if the feed is set to 6.0 (default on startup) on the manual screen and I type F75.0, nothing changes. It's not the keyboard because if I type S800 then the screen setting changes to 800. Everything else works.

So after a bit of messing around I found that if I set the feed to anything below 1 then it suddenly springs to life and then I can set the feed to 75.

So:
F0.50
F75.0

works!

The same in g-code programs - if at the top I put F0.50 then the code then reads the feed commands, if i don't it ignores them.

A I doing something wrong or is it a known bug?

thanks

  
 

85
Is there no way to just disable the warning? It's obviously showing the warning in error as the program runs without hitting anything and if I jog to the limits then the switches or the soft limits work fine.

86
I tried 057 but exactly the same happened - got me stumped.

87
Hi, it's Version R3.043.066 (latest from the downloads section on Artsofts site)

thanks

88
Hi just got a couple of EMI filters from www.soigeneris.com - nice quality.

However looking at them they have 3 inputs (Live, Neutral and Earth) but only a Live and Neutral output.

Any ideas what is the best way to wire the Earth? I have googled and it is suggested that the output should be looped from the input and then others where you should do this but put ferrite rings in the Earth.

e.g.
http://vk3kid.org/?page_id=1725

Any help appreciated.

thanks


89
Hi, I have a soft limits warning on every single program I run. The program does run fine though.

Background: The lathe Z axis homes to the right of the machine and the X axis homes to the front of the machine on limit/homing switches.

X travel from front (home) to back is 185mm.
Z travel from right (home) to left (spindle) is 444mm.

I have included a screenshot of the homing limits and also the warning screen I get. I have read other Soft limits warning threads but can't see the problem.

Simple G-code:
G18 G21 G64 G80 G90 G40 G49 G94
M6 T0404
M0 ( TOOL 04 )
S750
F25
M3
G4 P0.1
M8
G4 P5
( Start Spring cut 01 )
G0 Z-23.14
G0 X10.5
G1 X5.8
G0 X10.5
( End Spring cut 01 )
( Start Spring cut 02 )
G0 Z-25.64
G1 X5.7
G1 Z-23.14
G1 Z-23.4 X6.0
G0 X10.5
( End Spring cut 02 )
( Part Off )
G0 Z-28.14
G1 X0.0
G0 Z50
G0 X50
M5
M9
M30

Any help appreciated


90
I found out the G95 trick because someone else had the same problem.

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