This approach is a sign of pro fessionalism and makes a perfect and practical sense as well

 the macro exists This approach is a sign of pro fessionalism and makes a perfect and practical sense as well


Copyright 2005, Industrial Press Inc, New York, NY –


FANUC CNC Custom Macros


FAMILY OF SIMILAR PARTS


19


CNC punch Machine


The pre vi ous chap ter set the foun da tions of para met ric pro gram ming in gen eral – this chap ter


pres ents a com plete prac ti cal ap pli ca tion – an ac tual macro de vel op ment for a typ i cal fam ily of sim i lar parts The next chap ter will build on the same con cept and of fer sam ples of macro de vel –


op ment for a fam ily of sim i lar ma chin ing op er a tions


Macro Development in Depth – Location Pin


This sec tion may well be one of the most im por tant subjects to study, as it cov ers macro de vel –


op ment in a com pre hen sive man ner The pro ject in the example is called Lo ca tion Pin, and is de –


signed for a CNC lathe The logic and pro ce dures pre sented here ap ply to both types of ma chines


equally, as do many macro fea tures As is stan Angle Drilling machine dard in CNC pro gram ming, the pro vided en gi neer –


ing draw ing forms the first el e ment in the pro cess In this ex am ple, all parts in the se ries are listed


in a sin gle draw ing, so the draw ing it self is parametric In other cases, the pro gram mer has to get


the in for ma tion from sev eral in di vid ual draw ings


Fig ure 27 shows the pin data as sup plied to the pro gram mer The first step is to study and eval u –


ate the draw ing and in for ma tion pro vided in it


B


A


MATERIAL: 1020 STEEL


脴50 mm BAR


1×45掳


R


R2


Pin


A


B


C


D


R


001


23


44


24


46


3


002


25


46


28


48


2


003


19


45


21


47


4


D


C


004


16


40


25


49


3


LOCATION PIN


Figure 27


LOCATION PIN – drawing used to busbar machine illustrate the development of a typical macro for family of similar parts


209


Copyright drilling machine suppliers 2005, Industrial Press Inc, New York, NY – wwwindustrialpresscom


FANUC CNC Custom Macros


210


Chapter 19


Draw ing Eval u a tion


Even a ca sual look at the draw ing re veals that this is not a sin gl

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