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Messages - Tweakie.CNC

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2501
General Mach Discussion / Re: G540 Steps Per
« on: January 31, 2017, 07:44:33 AM »
Sound advise Gerry but beginners, newcomers and the inexperienced, etc.  would perhaps use (and trust) a Gecko provided .xml.
The Gecko documentation does not make it absolutely clear that Steps per Unit need to be altered according to the machine nor do they make it clear that the G540 has fixed 1/10th microstepping (which is essential information for calculating the steps per for any machine).

The Gecko products and documentation are second to none but improvements could be made to the documentation as Kolas has pointed out.

Tweakie.

2502
General Mach Discussion / Re: Mach3 lathe spindle problem
« on: January 31, 2017, 04:45:09 AM »
Hi Yap,

Welcome to the forum. For a first post it was pretty good but not quite in the right place.  ;)  (I have moved it to have it's own topic).

Unless your post relates to one of the existing sections it is probably best to post in 'General Mach Discussion' using the 'New Topic' button (towards top of page).

I am sure someone will be along shortly to suggest what you need to do to get your spindle running correctly.

Tweakie.

2503
Newfangled Solutions Mach3 Wizards / Re: Problems with calibrating Z axis
« on: January 31, 2017, 02:12:34 AM »
Initially, make sure you are setting-up Mach3 in the Units (Inch/mm) you intend to use (Config. / Set Native Units).

In Members documents there is a calculator for finding Steps per Unit and also a math's example.

http://www.machsupport.com/forum/index.php/topic,16315.0.html

http://www.machsupport.com/forum/index.php/topic,12512.0.html

Tweakie.

2504
Which USB adapter are you using ?

Could you zip and post the problem Gcode file ?

Tweakie.

( please don't make multiple postings on the same topic - thanks )

2505
Show"N"Tell ( Your Machines) / Re: My first attempt at a CNC build.
« on: January 30, 2017, 10:14:44 AM »
Your guess is as good as mine - I have purchased some electronic stuff from China which is absolutely excellent and other stuff which turned out to be junk.

Tweakie.

2506
Third party software and hardware support forums. / Re: mini CNC 3040
« on: January 30, 2017, 02:26:04 AM »
Solid carbide engraving bits can be purchased cheaply on the bay, depending on their quality they wear quickly and should be replaced frequently.
Beware that SS work hardens easily when engraving so the job must be kept cool (flood coolant is best) but I am sure you know this already.

Tweakie.

2507
Show"N"Tell ( Your Machines) / Re: My first attempt at a CNC build.
« on: January 30, 2017, 01:53:53 AM »
The second one would be best but beware, you get what you pay for in this world, they may or may not work as well as described.

Tweakie.

2508
Welcome to the forum James.

Excellent write-up - I am sure that many of us see something of ourselves there having progressed in a similar manner.

Tweakie.

2509
SmoothStepper USB / Re: Error using Smooth Stepper and Mach 3
« on: January 29, 2017, 11:01:15 AM »
Hi Jim,

Your .xml set-up runs OK here so the problem is probably more to do with the USB side of things.

This is an extract from the USS documentation relating to your FT_IO_Error…

1.   Make sure your USB cable is firmly connected.  The cable could be loose, and movement could be causing your issue.
2.   Make sure that you are not using one of those little wind up USB cables.  They cause lots of noise and data errors.
3.   Try a different normal USB cable.  The one you are using might be damaged
4.   Make sure you are connected directly to your PC and not through a USB HUB or a monitor's USB Hub.  Some HUBs are flaky and can cause packet drops.
5.   Try a different USB port on your PC.  I have seen this fix problems several times.  It could be because there are fewer USB devices on the new port, or it has less noise on it inside the PC.
6.   Disconnect as many other USB devices as possible from your computer.  One of them could be malfunctioning.
7.   How long is your USB cable to the USS? The shorter the cable length, the less noise it can pick up.  This will help if you are getting weird or intermittent dropouts.
8.   Make sure the USB cable does not run alongside from any high voltage or high current wires or other noisy wires. If the USB cable has to cross other wires, make sure it crosses at a 90 degree angle.

Other points to consider:
1.   How are you powering your USS (USB SmoothStepper)?  Poor or noisy voltage can cause the USB connection to drop out
2.   How are you powering your Break Out Board?  Poor or noisy voltage can cause the USB connection to drop out. 
3.    How much current is your BOB consuming?   If the BOB is pulling power from your USS, it could be taking too much power and causing the USB issues you are seeing.
4.   Can you try to turn off your dust collection system and see if you can do an air cut?  Can you ground your table and axes to ground and do an air cut? 
5.   Another good step is to turn off the Windows Power Saving options for your internal (on motherboard USB hubs).  Go into Device Manager and then for all of your USB Root Hubs and Generic USB hubs. Uncheck the "Allow computer to turn off this device to save power" option.  Why do we say all?  Because it is slightly harder to determine which hub your USS is plugged into, and if you ever change connection locations, it may become associated with another Hub.
(Open the device manager by pressing the “WINDOWS” key and the “R” key at the same time.
When the "Run" box opens up, type in "devmgmt.msc".
For each USB Root Hub and Generic USB hub, uncheck the "Allow computer to turn off this device to save power" option).


It may also be worth checking with a multimeter that the screen of the USB cable does not make a continuous circuit between the two metal outer casings of the two plugs. If it does then obtain a USB cable which does not have this continuity of the screen.


Tweakie.

2510
Finished Screens / Re: 3 Axis mill with ATC
« on: January 29, 2017, 05:05:58 AM »
Very nice looking machine as well - I think you have a set-up to be proud of there.

(Perhaps rename the on-screen button RESET ?  ;) )

Tweakie.

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