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Messages - RICH

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3231
General Mach Discussion / Re: Where to Start
« on: October 06, 2011, 11:29:45 PM »
The manual for LC also covers text and can be found in Members Docs.
There is also a Wizard that comes with Mach that you can use for text.
You can also use text from a saved dxf file and import that file into LC and post code to Mach.
Welcome to the cnc jorney,
RICH

3232
Spacecase,
Can you post a pic of your Z axis showing how it is driven and also your xml file?
How did you arrive at your velocity and deternine your steps per unit used in motor tuning for the Z axis?

RICH

3233
Mach3 and G-Rex / Re: Help getting MACH3 working
« on: October 06, 2011, 11:13:26 PM »
cncdaddy,
You need to configure Mach before trying to use the software.

Ports and pins
-Non of the motors are enabled or step direction state defined
Motor Tuning
-no motor tunng is defined unless you are using the generic which i doubt is correct

RICH

3234
Thanks sandcrab,
That's another way of dong it and the concave on mine is also 1/2" R. I'm trying make all the parts without any manual machining.
Just part of the challenge and forces one to explore. I have hand checkered manny hand grips and rifle stocks but plan on doing the trigger and grip checkering  with CNC. I know for a fact that my checkering tools are not going to be work when the spacing is only .013" or less.
Still have a few things I want to try. Good thing is that the piece is small ...can make it from   3/8" dia round / about 1/8" deep
and a piece of round 12" long provides for a lot of cheap scrap pieces. ;)
RICH

3235
Maybe because your Z axis just dosen't have the motor to do the job? ie; torque and acceleration
RICH

3236
General Mach Discussion / Re: loosing steps in one direction
« on: October 06, 2011, 06:20:54 PM »
The ideal would be to count PC pulses to the driver, driver pulses to the BOB, BOB pulses to the motor.
When compared they should be darn close. Not the kind of electronic device you will find even in pro shops.
The one my friend brought over once was custom made for his workplace and measured to a few counts / parts per million.
Doing that confirms the electronic end of things and leaves no doubt as to what the culprit is.
Downstream of the motor a calibrated device is used to compare the mechanical motion and that is compared to Mach's DRO and maybe even another independant reference such as an axis readout. With that you have comparison of electronic to mechanical motion.
The mechanical motion of each axis can be isolated and checked and related.

Now we meticulously did the above once...in fact it was done to my lathe before using it to find a fix for the lathe threading cycle.
In general the pulses the pc sent were way within the pulses the motors received. Different motors provided for different linear motion / accuracy. Belt tension could and would affect linear axis motion. Same for timing gears. All screws are different and forward and reverse motion of the  screw may be different, especialy if they are rolled. There is always some lost motion due to  thrust bearings, manny times
overlooked and just lumped in with all the rest of so called backlash, but it is real and just a component of the whole. Mach's DRO readout,
at least on my pc, was superb.

Sorry, more later, dinner is served......
RICH

3237
Pic of the passes. File works. I will assume that what is shown was wanted.  ;)
Got to go ....later,
RICH

3238
Mach3 and G-Rex / Re: Help getting MACH3 working
« on: October 06, 2011, 05:51:41 AM »
Post your xml file and someone will have a look at how Mach is configured.
RICH

3239
Newfangled Solutions Mach3 Wizards / Re: NEW!! Drill Wizard
« on: October 05, 2011, 07:40:49 PM »
Ok, so need to upgrade as i am using Version 3.042.033 ;)
RICH

3240
Newfangled Solutions Mach3 Wizards / Re: NEW!! Drill Wizard
« on: October 05, 2011, 05:50:42 PM »
Ron,
Just did the download. The wizard screen is activated but all else is not working.
Getting this  error________ Scriptor Compile Error.in:

RICH

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