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Messages - RICH

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1
LazyTurn / Re: How to find the latest version of "Lazy Turn" ?
« on: July 08, 2020, 08:51:29 PM »
Joe,
Go to the LAZYTURN thread , page 135, reply #1349 for rel 1.1, which is the latest and install it.

Download and read the Lazyturn Manual.

RICH

2
General Mach Discussion / Re: Drill chuck reference on lathe table!!!
« on: March 10, 2020, 03:10:15 PM »
Have you considered probing?
I don't use switches on any of my machines. For the lathe I use probing for numerous tasks;
populate the tool table, measurements  / reverse engineering of turned forms, BUT, most importantly to
locate X axis center of the lathe.

A touch off fixture that is removable / can be re-positioned, easily attached to the lathe bed can be made to do what you want at any time. Thought ...it's just a tool setter and you use the probing feature.

I have found probing to be very accurate; typically 0.0001" or .0002" repeatable.


RICH



   


3
General Mach Discussion / Re: Mach3 turn threading problem with Z feedrate
« on: February 18, 2020, 10:42:52 AM »
Christian,

How was the gcode that was used in the video created? Did you code it?
Watching the video I notice your actually clicking buttons to change something........doesn't make sense!
Why the G04 P100 dwell part of the code.........doesn't make sense!
Noticed that the spindle RPM in the video was stable ie; 170 to 171

Do the following:
- Create the threading gcode using the "Simple Threading ( Lathe ) wizard.
   The inputs should represent a common metric thread. ie; M8-1.00

NOTE: The m1076 macro should set for G32 ( that's the output code that "I" want to see)
           as shown on page 47 in the threading manual. If you fooled with that macro in any
           other way AND  or OR  using a modified one done by someone else, replace  with
           the original m1076.mis provided with the original turn screen!

- After completing the inputs required, click the ( Calc number of passes ) button to make
  sure your NOT exceeding your max feedrate.

- take a screen shot of the Wizard screen.

- Click the Post Code and run it.

Please post both the screen shot and the generated code when you reply.

RICH



4
General Mach Discussion / Re: Mach3 turn threading problem with Z feedrate
« on: February 13, 2020, 10:49:31 AM »
I have now set the steps per revolution at 1000, why have to try at 2000?

Using 2000 you would be micro stepping at 10x. Above 10x there is nothing to be gained.

I can't set the speed manually, I only set it via Mach3.

The threading PDF talks about what happens when both Mach3 threading and the spindle control are both
trying to influence feedrate in threading. Some folks have no problem but others do and I think that may be your problem.
Until you try threading with setting spindle speed manually you will never know for sure!

RICH



5
General Mach Discussion / Re: Mach3 turn threading problem with Z feedrate
« on: February 13, 2020, 07:51:18 AM »
Christian,
- Are you using current reduction on the drives?
  1. I would suggest that you make sure that the current setting is correct for the steppers that you are using.
  2. Set drive SW4 to ON.
  3. Test axis  motion with steps per resolution seting of 2000 .(ie; need to set SW5,6,7,8)

Mach configuration:
  1. Tune the the steppers for velocity and acceleration and make sure the steps per unit are correct.
  2. Notice you are using Backlash for the Z axis. That SUCKS for threading! Test the axis motion with it
      off. ( .15 mm = .006" backlash )
      You have no backlash in the x axis?
  3. Can you set your set the spindle speed manualy?
      Mach3 and spindle control may be "fighting each other" for control of the feedrate during thread   
      cycle.

RICH

6
General Mach Discussion / Re: Mach3 turn threading problem with Z feedrate
« on: February 06, 2020, 09:01:12 AM »
Christian,

Post your xml file  that you are using for the lathe. Just make a copy of the xml and rename it to something like
CHRIS RICH.XML and post it.

I see you are using  a modified screen set. Did you create or modifiy the standard 1024.lset?
Where did that screen set come from?

Run the "DriverTest.exe" file. How close is the Pulses per second in the test as compared to configured
Kernal Speed you selected in Port & Pins? (ie; test  shows 23506 as compared to 25000 HZ)
How clean is the graphics screen? Play with you mouse when you run the test, see what happens!..... that's why you should not play with the mouse when running  as you did in the video.

What version of Mach are you using?  Use Version R3.043.062

Use the Simple Threading (lathe) Wizard to generate the threading gcode. Fill in the required data, click Post Code, Click calc number of passes then you will see if you are exceeding  max feed rate.
( I would suggest that the code output be in G32 as it gives you info on each pass in case someting is wrong)

------------------------------------------------------------------
Some additional questions:

What are you using to acquire the index signal?

How steady is your RPM for whatever you set it at?
 Just for info you could check your rpm with a tack,but,let me say that Mach's rpm dro is more accurate than any tack you may have.

What drives are you using? If it's one of those chimes drive TB*********x ........ your on your owne as I can't help you!

more after you reply,

RICH

7
General Mach Discussion / Re: Mach3 turn threading problem with Z feedrate
« on: February 04, 2020, 05:04:24 AM »
Christian,

I suggest you have a read of "Threading On The Lathe - Mach3 Turn".


RICH

8
You need to ask CS Labs how it's motion controller handles varying spindle speed at both index time and during the actual threading. Also find out how current their plugin is with the current version of Mach4.

The above is different than:
CSMIO-ENC from machine start, spindle activation, and Index signal finding it starts to count encoder position, spindle angle, and speed. All the information are transferred by the CAN bus to a CSMIO/IP motion controller, where they are treated by algorithms which task is to accurately and smoothly synchronize move of a Z-axis to a spindle during G32 or M84 command activation. At the moment of threading when the Z axis moves, the CSMIO/IP motion controller sends current axis position to Mach3, so its Z-axis position DRO shows the real position.

RICH

9
daniba,

I will post a few "simple" tests that you need to do. Leaving for a trip very shortly.
I'll post them when I get back in a few days.

Till then,
RICH

10
General Mach Discussion / Re: MachScreen Hide Control?
« on: January 24, 2020, 07:36:54 AM »
Where is the Machscreen 'manual'

There is some info / videos on Klaus's site.
I know of no specific manual, just have to play with the program to learn.

RICH

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