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Messages - joeaverage

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4741
Mach4 General Discussion / Re: mcCntrlGcodeExecuteWait fail
« on: April 23, 2018, 02:38:40 PM »
Hi,
did you try increasing the 'look ahead lines' count to see if it makes a difference?

Craig

4742
Mach4 General Discussion / Re: Jerky dual axis movement
« on: April 23, 2018, 02:37:12 PM »
Hi,
I wasn't talking about radio signals interfering but rather that your 100kHz signal is a VLF radio signal. LORAN-C is 100kHz for example.

My suggestion is that you need to be careful that such a high frequency signal is cabled in such a manner that it is transmitted faithfully.

Craig

4743
Mach4 General Discussion / Re: mach 4 plasma
« on: April 23, 2018, 12:27:13 AM »
Hi,
sorry if my comments offend...they are my own opinons only.

Quote
The norm with Mach4 is that you take the basic program and GUI and modify it for your use.
You know this to be the case because you had to program your machine to suit your needs. That is the common
(normal) story with Mach4, I did the same. Following your posts over that time I would guess you found it a challenge
at times but you stuck with it and got a result.

There will be others who will not/ cannot or refuse to invest that effort. For those people I would recomend either sticking
with Mach3 or one of the other software solutions, Mach4 is likely to make them very unhappy.

One of the recurring gripes by hobbyists about Mach4 is that the documentation lags the current state of the
software, often by quite a bit. You might ask 'why NFS would ignore what seems like a straight forward request
by users?'.

Over the same time that these complaints about Mach4 have been raised Mach has released G31.1, G31.2 etc, the all new
PMC facility,the all new (and light years ahead of Mach3) probing facility and as signaled by Bryanna a new Teach module
coming. It is not that NFS are not doing stuff, its just that they are doing development rather than documentation.

My contention is that NFS are working on those items which are most likely to attract the customers they need to survive.
I don't believe for a moment that NFS intends to slight hobbyist users but they need to concentrate on those matters
which result in useful sales. No matter which way you look at it the sale of one Industrial licence to an OEM is worth
seven times what I paid as a Hobbyist.

While it might be that I as a hobbyist I get less service from NFS I nonetheless commend them and the strategy of
securing OEM sales, I benefit as a spin off of those new developments. Even hosting this website is supported by sales...
in absence of sales the forum goes and that would be a shame.

Craig

4744
Mach4 General Discussion / Re: limit switch config
« on: April 22, 2018, 09:27:57 PM »
Hi,
so have you installed three switches or six?

Craig

4745
Mach4 General Discussion / Re: limit switch config
« on: April 22, 2018, 08:49:42 PM »
Hi,
I'm confused....are you trying to set up limit switches or home switches?

Limit switches are at each aend of each axis and are to prevent the machine from crashing into the endstops.
Two switches per axis, three axes, ergo six switches.

Home switches give the machine a reference point, one switch per axis, three axes, ergo three switches.

You have a ton of inputs with the PoKeys board, you'd be best to put one switch per input, it saves confusion.

I'm not familiar with the PoKeys plugin but I would expect the Inputs Page of the Mach plugin would have
three home inputs checked, if you are indeed trying to use these switches as homes, or six inputs checked
(X++ X-- Y++ Y-- Z++ Z--) if you want to use limits.

Note if any of the limit inputs is triggered Mach shuts down...thats what it supposed to do. It means that one or more of
your switches is triggering a safety response from Mach when you are turning the machine on. You need to clear
that fault before Mach will properly wake up.

Craig

4746
Mach4 General Discussion / Re: mach 4 plasma
« on: April 22, 2018, 12:45:42 AM »
Hi,

Quote
. they just want the features like mach 3 has with THC
you have it in one, carry on using Mach3.

Mach4 is not nor ever will be Mach3. Mach4 is highly programmable/configurable for OEM manufacturers to take up and heavily modify for use on their machine. It is highly likely that you wont
even recognize that its based on Mach when on their machine.

Sales to OEM manufacturers is the business life blood of NFS. Mach4Hobby at $200 with a perpetual licence just wont bring in the income necessary to run a business. Thus Mach4 is primarily for industry
but we as hobbyists can participate but our wishes are likely ignored in favour of industrial users.

The norm with Mach4 is that you take the basic program and GUI and modify it for your use. If you don't like that, or cannot do it, then stay away from Mach4...you will hate it!

Craig

4747
General Mach Discussion / Re: Spindle servo on lathe is 10% fast
« on: April 21, 2018, 07:37:41 PM »
Hi Dave,
I have a little bit of code here, its just a table of moves between A and X axes over a 60 degree segment of the A axis.
Its R dimension is 25mm, so your hexagon would be 50mm across the points.

Code: [Select]
G1 A0.0  X24.9975
G1 A0.5  X24.875
G1 A1.0  X24.7525
G1 A1.5  X24.635
G1 A2.0  X24.52
G1 A2.5  X24.4075
G1 A3.0  X24.2975
G1 A3.5  X24.19
G1 A4.0  X24.0875
G1 A4.5  X23.985
G1 A5.0  X23.8875
G1 A5.5  X23.7925
G1 A6.0  X23.6975
G1 A6.5  X23.6075
G1 A7.0  X23.52
G1 A7.5  X23.4325
G1 A8.0  X23.35
G1 A8.5  X23.2675
G1 A9.0  X23.19
G1 A9.5  X23.1125
G1 A10.0 X23.04
G1 A10.5 X22.9675
G1 A11.0 X22.8975
G1 A11.5 X22.83
G1 A12.0 X22.7625
G1 A12.5 X22.7
G1 A13.0 X22.64
G1 A13.5 X22.58
G1 A14.0 X22.5225
G1 A14.5 X22.4675
G1 A15.0 X22.4125
G1 A15.5 X22.3625
G1 A16.0 X22.3125
G1 A16.5 X22.265
G1 A17.0 X22.22
G1 A17.5 X22.175
G1 A18.0 X22.1325
G1 A18.5 X22.0925
G1 A19.0 X22.055
G1 A19.5 X22.0175
G1 A20.0 X21.985
G1 A20.5 X21.95
G1 A21.0 X21.92
G1 A21.5 X21.89
G1 A22.0 X21.8625
G1 A22.5 X21.8375
G1 A23.0 X21.8125
G1 A23.5 X21.79
G1 A24.0 X21.77
G1 A24.5 X21.75
G1 A25.0 X21.7325
G1 A25.5 X21.7175
G1 A26.0 X21.7025
G1 A26.5 X21.69
G1 A27.0 X21.68
G1 A27.5 X21.67
G1 A28.0 X21.6625
G1 A28.5 X21.6575
G1 A29.0 X21.6525
G1 A29.5 X21.65
G1 A30.0 X21.65
G1 A30.5 X21.65
G1 A31.0 X21.6525
G1 A31.5 X21.6575
G1 A32.0 X21.6625
G1 A32.5 X21.67
G1 A33.0 X21.68
G1 A33.5 X21.69
G1 A34.0 X21.7025
G1 A34.5 X21.7175
G1 A35.0 X21.7325
G1 A35.5 X21.75
G1 A36.0 X21.77
G1 A36.5 X21.79
G1 A37.0 X21.8125
G1 A37.5 X21.8375
G1 A38.0 X21.8625
G1 A38.5 X21.89
G1 A39.0 X21.92
G1 A39.5 X21.95
G1 A40.0 X21.985
G1 A40.5 X22.02
G1 A41.0 X22.055
G1 A41.5 X22.0925
G1 A42.0 X22.135
G1 A42.5 X22.175
G1 A43.0 X22.22
G1 A43.5 X22.265
G1 A44.0 X22.3125
G1 A44.5 X22.3625
G1 A45.0 X22.415
G1 A45.5 X22.4675
G1 A46.0 X22.5225
G1 A46.5 X22.58
G1 A47.0 X22.64
G1 A47.5 X22.7
G1 A48.0 X22.765
G1 A48.5 X22.83
G1 A49.0 X22.8975
G1 A49.5 X22.9675
G1 A50.0 X23.04
G1 A50.5 X23.115
G1 A51.0 X23.19
G1 A51.5 X23.27
G1 A52.0 X23.35
G1 A52.5 X23.435
G1 A53.0 X23.52
G1 A53.5 X23.6075
G1 A54.0 X23.7
G1 A54.5 X23.7925
G1 A55.0 X23.8875
G1 A55.5 X23.9875
G1 A56.0 X24.0875
G1 A56.5 X24.1925
G1 A57.0 X24.3
G1 A57.5 X24.4075
G1 A58.0 X24.52
G1 A58.5 X24.635
G1 A59.0 X24.755
G1 A59.5 X24.875
G1 A60.0 X25

It doesn't have any Feed word or any Z moves. Study it at see what you think.

Craig

4748
Mach4 General Discussion / Re: Jerky dual axis movement
« on: April 21, 2018, 05:42:39 PM »
Hi,
I agree the PoKeys should handle this no trouble. I'm wondering if the signal is being transmitted faithfully to the driver.

As you know when using RF you have to use coaxial cables or other transmission lines to convey RF energy from one spot to another. Well 100kHz would be
VLF radio but there are radio signals that low and I'm thinking that you may be required to give some thought to the cabling between your controller and the stepper drives.
It may or may not be an issue and might be simple enough to experiment to prove one way or another.

Craig

4749
General Mach Discussion / Re: Switching from Mach3 to Mach4
« on: April 21, 2018, 04:48:19 PM »
Hi,

Quote
If they are making screen creators etc instead of producing working screens then they are definitely concentrating in the wrong area.

Selling Mach4Hobby at $200 for a perpetual licence would be business suicide. NFS require sales to OEMs of their Industrial version to remain in business.
OEMs require the ability to customize their control with their own screensets and so on. Consequently building in the screen editing features is more important
than finished screens....NFS's most important customers wont be using the standard screen sets anyway.

As hobbyists NFS have made Mach4Hobby available at a very good price with licencing conditions in keeping with Mach3. Make no mistake Mach4 is not the same as
Mach3 nor is it intended to be. Mach4 is written for OEM customers and for business survival has to remain that way.

Craig

4750
Mach4 General Discussion / Re: Jerky dual axis movement
« on: April 21, 2018, 04:19:51 PM »
Hi,
as you know most of us who use microstepping with regular steppers do it for smooth running. Its nice to think that we get increased resolution but due to the reducing
differential torque we get resolution of 400 steps per rev irrespective of the number of microsteps.

Getting smooth running without undue number of steps per rev is maximized with microstepping of 8 or maybe 16 microsteps per full step or about 1600 to 3200 microsteps per rev.

You have set your microsteps to 12800 steps per rev. Are you of the opinion that you are actually getting smoother motion as a result?

The reason I ask is because I wonder if your machine is attempting to make a huge number of very small steps at certain times, you mentioned 2D adaptive toolpath, not sure what that is, but
maybe it introduces a whole bunch of steps. I wonder that while your PoKeys controller can produce pulse streams of 100kHz it may be that at the top rate the pulses are getting attenuated by
the cabling and the drives are not getting a clean signal?

Craig

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