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Messages - magicniner

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141
General Mach Discussion / Re: 4th Axis Right hand rule question
« on: February 13, 2015, 01:48:34 PM »
I used this reference among others when setting up my 4th on the vertical mill -

http://www.cnccookbook.com/CCCNCGCodeCoordinates.htm

I have my machine set up "conventionally" and correctly modelled in my CAM system, the Mach3 tool path view displays it perfectly,

 - Nick

142
General Mach Discussion / Re: Bits not cutting exact width
« on: January 02, 2015, 05:28:23 PM »
how do you do that?

I use the options in my CAM package to leave material for a finishing pass, another option is to lie about your cutter diameter and say it's bigger than it is, this will allow you to either leave material for a finishing pass or fine tune your setting for a correct size on the first pass.
Leaving a little for a finishing pass is always my option of choice, it tends to produce results which are more repeatable,
Regards,
Nick

143
General Mach Discussion / Re: Bits not cutting exact width
« on: January 02, 2015, 02:54:59 PM »
If you're making cuts that need to be to an exact size with a machine with some flexibility you can get much closer by taking a first cut which leaves enough material for a finishing cut to exact size,

 - Nick

144
General Mach Discussion / Re: Need Estop Output
« on: December 31, 2014, 06:06:00 AM »
Apologies, replied to the wrong topic!

145
General Mach Discussion / Re: Need Estop Output
« on: December 31, 2014, 03:58:53 AM »
If you Opto-Isolate the I/O on your interface boards Routout CNC do a BOB which gives direct screw terminal connections to your parallel port pins (they have Opto-Isolation on their driver boards).

 - Nick

146
General Mach Discussion / Re: Fixture Save... questions?
« on: December 24, 2014, 08:54:56 AM »
Fixtures work and I use them, I home my machine after powering up and don't rely on anything trying to store it's position,

  - Nick

147
General Mach Discussion / Re: Software will - not Downlaod
« on: November 23, 2014, 01:09:14 PM »
It's downloaded and installed fine for me on Win XP, Vista & 7.
I have a "No Internet" rule for the CNC PC though so there's nothing funny on there, try a clean install of Windows,

 - Nick

148
General Mach Discussion / Re: wrong axis movements
« on: November 08, 2014, 01:00:54 PM »
First and foremost: do NOT mix units! That way lies ... madness.

There are always those that given an inch will take a kilometer ;-)

149
General Mach Discussion / Re: Rotate Mill head
« on: October 24, 2014, 04:22:13 AM »
If I rotated the head on my mill I'd deal with that by creating a new machine definition in my CAM package with the new head orientation, that way my CAM simulation and collision detection would all work
Another option would be to process the code with your normal machine definition in CAM as if the part was facing up and create a new profile in Mach3, with the axes and directions re-defined relative to your part, making your machine X run as Z and so on.
 -
Nick

150
Have a look at the Nesting Wizard, it allows you to machine a grid of parts from the code for one, you may be able to machine your fixture plate the same way.
I had some nominally L-shaped parts that needed to be in pairs "head to toe" to get the most from the material so I did the Cad/Cam for a pair and then nested the pairs in a grid,

 - Nick

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