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Messages - Tweakie.CNC

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1361
General Mach Discussion / Re: 6040 cnc depth of cut and z zero
« on: July 29, 2019, 01:10:48 AM »
As ZASto has already said - check your 'Z axis calibration? (steps per)'

The Mach3 Settings page has an Axis Calibration Set Steps per Unit - just click and follow the on-screen instructions to check your Z axis steps per are correct.

Tweakie.

1362
Hi Jevs,

There is an old saying… “If it ain’t broke don’t fix it”

Basically, if Mach3 does all you want and it is working well then leave well alone. If, on the other hand, Mach3 falls short of your requirements then move on to Mach4.

Just my 2 cents  ;)

Tweakie.

1363
General Mach Discussion / Re: Machining relief problems
« on: July 26, 2019, 05:01:12 AM »
Hi Chuck,

Welcome.

Your Gcode and Mach3 set-up seems to run just fine here with a maximum Z depth of -5.848 mm in your test Gcode file. If your cutter is going deeper than that then two possibilities spring to mind...

1) Your cutter could be loose in the collet and it is moving during the cutting operation.
2) You could be loosing steps on the +Z axis moves - try reducing the Z axis Velocity and Acceleration (in Motor Tuning) by 50% and save the changes - does it still cut too deep ?

Tweakie.

Another thought comes to mind - is your spindle motor tight in it's clamp ?

1364
Show"N"Tell ( Your Machines) / Re: Cnc Id od and thread grinder
« on: July 26, 2019, 03:00:14 AM »
Yes it could be done where the work rotation is essentially a Rotary Axis.

Are you planning on Mach3 or Mach4 ?

Tweakie.

1365
Show"N"Tell ( Your Machines) / Re: Cnc Id od and thread grinder
« on: July 26, 2019, 01:19:39 AM »
Quote
1 question I am planning on using a stepper for the spindle ( Low rpm)  and a y axis for the thread grinding. Is there a way to config mach that way. 1 time keep turning 2nd move proportionally to the z axis. ( the 2nd I can do with gcode easy enough).

I am not sure I fully understand this ?

Tweakie.

1366
Ah, bummer.  Do you just have two different profiles setup then?

I am able to use the same profile.

Tweakie.

1367
Unfortunately there is only one PWM signal available so I physically switch between Laser and Spindle.

Tweakie.

1368
CS-Lab / Re: Stripped down Biesse Rover retrofit
« on: July 25, 2019, 01:15:57 AM »
Wow !  ;)

1369
Show"N"Tell ( Your Machines) / Re: Cnc Id od and thread grinder
« on: July 25, 2019, 01:12:52 AM »
Hi Mark,

I am looking forward to following your build project - all looks good so far  :)

Tweakie.

1370
Mach4 General Discussion / Re: Mach4 and Warp9 ESS
« on: July 24, 2019, 06:17:29 AM »
Quote
Am I going to gain $200 worth of improvement by moving to Mach4 from Mach3

In my opinion yes you will - bearing in mind the Mach4 / ESS laser support.

Tweakie.

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