HEIDENHAIN TNC 320 (340 551-01) - Manual (Page 126)

126 –˜pV"hhamV9˜pV"hhamV˜ pm›p¤’
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Example NC blocks
Actual position capture
p¤˜4"m˜"d’p˜VFmF"›F˜"˜’›"aV^›_damF˜*dp4c˜|˜*dp4c}˜*©˜¤’amV˜›^F˜
__ ˜cF©9
8 m˜›^F˜"m¤"d˜zF"›apm˜hp=F:˜hp¦F˜›^F˜›ppd˜›p˜›^F˜zp’a›apm˜©p¤˜
§a’^˜›p˜4"z›¤F
8 §a›4^˜›^F˜’4FFm˜=a’zd"©˜›p˜pV"hhamV˜"m=˜ =a›amV
8 FdF4›˜›^F˜zpV"h˜*dp4c˜"O›F˜§^a4^˜©p¤˜§"m›˜›p˜am’F›˜›^F˜˜*dp4c
8 F’’˜›^F˜ __ ˜cF©9˜^F˜
˜VFmF"›F’˜"m˜˜*dp4c˜§a›^˜›^F˜"4›¤"d˜zp’a›apm˜
4pp=am"›F’
Inserting a Chamfer CHF between Two Straight
Lines
^F˜4^"hOF˜Fm"*dF’˜©p¤˜›p˜4¤›˜pOO˜4pmF’˜"›˜›^F˜am›F’F4›apm˜pO˜›§p˜
’›"aV^›˜damF’
„ ^F˜*dp4c’˜*FOpF˜"m=˜"O›F˜›^F˜ ˜*dp4c˜h¤’›˜*F˜am˜›^F˜’"hF˜
§pcamV˜zd"mF
„ ^F˜"=a¤’˜4phzFm’"›apm˜*FOpF˜"m=˜"O›F˜›^F˜4^"hOF˜*dp4c˜h¤’›˜
*F˜›^F˜’"hF
„ m˜am’a=F˜4^"hOF˜h¤’›˜*F˜d"VF˜Fmp¤V^˜›p˜"44phhp="›F˜›^F˜
4¤Fm›˜›ppd
8 Chamfer side length: ˜FmV›^˜pO˜›^F˜4^"hOF
¤›^F˜Fm›aF’:˜aO˜mF4F’’"©9
8 Feed rate F ˜|pmd©˜FOOF4›a¦F˜am˜ ˜*dp4c}
Example NC blocks
7 L X+10 Y+40 RL F200 M3
8 L IX+20 IY-15
9 L X+60 IY-10
7 L X+0 Y+30 RL F300 M3
8 L X+40 IY+5
9 CHF 12 F250
10 L IX+5 Y+0
p¤˜4"mmp›˜’›"›˜"˜4pm›p¤˜§a›^˜"˜ ˜*dp4c
˜4^"hOF˜a’˜zp’’a*dF˜pmd©˜am˜›^F˜§pcamV˜zd"mF
^F˜4pmF˜zpam›˜a’˜4¤›˜pOO˜*©˜›^F˜4^"hOF˜"m=˜a’˜mp›˜z"›˜
pO˜›^F˜4pm›p¤
˜OFF=˜"›F˜zpV"hhF=˜am˜›^F˜ ˜*dp4c˜a’˜FOOF4›a¦F˜pmd©˜
am˜›^"›˜*dp4c˜ O›F˜›^F˜ ˜*dp4c:˜›^F˜zF¦ap¤’˜OFF=˜"›F˜
*F4phF’˜FOOF4›a¦F˜"V"am
X
Y
40
12 30
5
12
5