Re: [Emc-users] [Emc-developers] The Ideal Tool Table

[Michael Haberler]

Am 06.11.2012 um 17:35 schrieb andy pugh:

 On 6 November 2012 14:08, Michael Haberler mai...@mah.priv.at wrote:
 
 I learned one other control has the capability to define a group of tools 
 which define a tool instance; you 'toolchange' to an instance and the 
 control pulls one of the class members which has acceptable wear, and 
 disables tools with excessive wear automatically)
 
 Leaving the rest to think about later (and harder) this seems like an
 argument for having multiple pockets containing tools with the same
 number. T2 means find me any type 2 tool and send it's pocket number
 to the toolchanger

Note that 'pocket' is an attribute of a specific TC mechanism - some have it, 
some have it in multiple forms (think of multi-magazine changers; those _do_ 
exist, I heard)

the *only* role the interpreter should ever have in this is to convey it 
uninterpreted from G-code down to TC mechanism

giving the pocket number *any* meaning within the code, in particular an index 
into an array, was a fundamental design error which needs to be rooted out


-m

 
 -- 
 atp
 If you can't fix it, you don't own it.
 http://www.ifixit.com/Manifesto
 
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Re: [Emc-users] [Emc-developers] The Ideal Tool Table

[andy pugh]

On 6 November 2012 16:43, Michael Haberler mai...@mah.priv.at wrote:

 Leaving the rest to think about later (and harder) this seems like an
 argument for having multiple pockets containing tools with the same
 number. T2 means find me any type 2 tool and send it's pocket number
 to the toolchanger

 Note that 'pocket' is an attribute of a specific TC mechanism - some have it, 
 some have it in multiple forms (think of multi-magazine changers; those _do_ 
 exist, I heard)

Indeed, that is one part of the current behaviour which seems correct,
in that tool-selection sends both pocket number and tool number to
HAL.
I mentioned multi-magazine changers earlier, I think.

 giving the pocket number *any* meaning within the code, in particular an 
 index into an array, was a fundamental design error which needs to be rooted 
 out

It was discovering that which made me dissatisfied enough to start
thinking about better approaches.

-- 
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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