Messages

3531

General Mach Discussion / Re: Spindle RPM lock error while threading

« on: June 11, 2011, 08:53:18 AM »

Glad you got it working. I will assume that the sensor wiring was shielded, and if not , running it past anything that generates an electrical field can change the signal and cause problems.
The shield should be grounded or provide for a continous shield along it's entire routing ie; not grounded at sensor..though say a plug/ jack/ connection...and terminate / ground to a separate ground
which is not part of some electric circuit.

RICH

3532

General Mach Discussion / Re: Spindle RPM lock error while threading

« on: June 10, 2011, 08:05:26 AM »

index debounce at 0 with no luck. Anything after 375 and my rpm reads wrong

The index debounce determines how manny times Mach will look at the index signal to confirm the signal. High values and you will see that
triggering will take longer, some will work at 0, I use a value of 10.
I also use a magnetic sensor, namely a Halls affect and it is fast sensing, some mag sensors like a reed are not fast enough at higher  rpm's
and thus won't work right. That's why I asked what type so look at the specs of your sensor and see if it is limited.
Signal quality at higher rates may be different than low rates so you may want to look at the signal with an o'scope. If the signal is not clean
it can influence triggering timing and output.  Sorry i can't be more specific.

locked rpm in the diagnostic information plugin

Disable that plugin  / don't use it or any others from the thread testing thread, it is not functional and most of them required a specific related driver.

Spindle speed averaging, if on, will influence the threading accuracy since Mach reads the rpm  to four decimal places ( if i recall correctly).....more accurately than you can measure it. Depending on your lathe system you may not even notice the affect on the finished thread lead.
I would still recommend users use it.

One reason threading will not work is if you don't have a licensed Mach.

Since you have an index signal per the testing, rpm is read accurately ( to some rpm range ) , i think the problem is the sensor signal.
Lower the rpm for a selected thread and see if it triggers for the lower range.

RICH
 

3533

General Mach Discussion / Re: Help with G41/G42 lathe

« on: June 09, 2011, 07:08:47 PM »

LT was supposed to come out and fix turn

Not really, it is a replacement for the Turn Module in LazyCam, wish Art took it a little further

i have been waiting for turn for over 5 yrs

Dennis, hope your a young gent and have plenty of time left

bought it with the intention of using it for turning

Mach Turn works quite well, yes there are a number of things needing fixing, but, with the right gcode most things you would want to do are possible.

I am ony going to guess that some day Brian will surprise all of us, but ,must be carefull on what i say since Brian is a young gent and should / will have  have plenty of time
to work on Turn.

RICH

3534

General Mach Discussion / Re: Minimum Minimum requirements

« on: June 09, 2011, 06:52:15 PM »

32-bit Windows XP    1Ghz CPU      512MB RAM

 
I have used a laptop (400mhz and 256 ram) which is less that what you asked about. The problem is,i t is very slow and actualy becomes annoying.....good grief don't update the screen display with it.
Ever hear of the expression "this old dog don't hunt no more"....i think it relates to old PC's.
RICH

3535

General Mach Discussion / Re: Spindle RPM lock error while threading

« on: June 09, 2011, 06:42:47 PM »

What are you using to get the index pulse? ie; slotted disc....a reed switch by any chance?
What version of Mach?
See page 9 of Threading on the Lathe-Mach3 Turn and do the triggering test.

Always use the "Calc number of passes" in the wizard as that will warn you if you are exceeding you max velocity for a given spindle rpm for the thread.

RICH

3536

General Mach Discussion / Re: Steppers stalling at a certain speed

« on: June 07, 2011, 07:13:44 PM »

Are you meaning  just at or near that feedrate or anything above it?

RICH

3537

General Mach Discussion / Re: Weird stalling... :(

« on: June 07, 2011, 07:10:00 PM »

FredduMoi,
Busted  software and the nerve to ask for help.............
SO WHAT SAY YOU?

RICH

3538

General Mach Discussion / Re: Autocad and Mach 3 issues

« on: June 07, 2011, 06:25:25 AM »

File worked fine in both the Plasma and Mill of Lazycam. Since I have no plasma experience can't be much help on any of the plasma settings in LC, but as shown, it generated the
pathing.

RICH

3539

General Mach Discussion / Re: Weird stalling... :(

« on: June 06, 2011, 05:16:59 PM »

Post info on the following:
-Driver board
- motor info and how wired
- power supply ...voltage  and available amps
- your XML file

RICH

3540

General Mach Discussion / Re: Autocad and Mach 3 issues

« on: June 06, 2011, 05:09:19 PM »

Yep all the time. Respond to Jerry's requests.
RICH