TRABAJO TR ABAJO DE PROGRAMACIÓN PROGRAMACIÓN ING. GIOV G IOVANNI ANNI SUNT SU NTAXI AXI
UNIVERSIDAD DE LAS FUERZAS ARMADAS MODULO CNC
Tabla de c!"e!#d EJERCICIOS DE FRESADO............................................................................................. $
%. Pla!"ea&#e!" del '(ble&a de )(e*ad.................................................................$ $. F#+,(a a )(e*a( -+(/c CAD0..................................................................................$ 1. Selecc#2! del &a"e(#al3 4e((a&#e!"a* de c("e3 4e((a&#e!"a* de *,5ec#2! de c("ad(e* 6 4e((a&#e!"a* de *,5ec#2! de '#e7a*.........................................................$ 8. Clc,l de 'a(&e"(* de c("e..............................................................................8 a. F(e*ad................................................................................................................ 8 b. P,!"ead............................................................................................................. 9 c. Talad(ad............................................................................................................. 9 d. R*cad............................................................................................................... : 9. P(+(a&ac#2! e! le!+,a5e ;G<= I!"e('lac#2! L#!eal3 I!"e('lac#2! c#(c,la(3 c&'e!*ac#2! de 4e((a&#e!"a3 c#cl* de &eca!#7ad..................................................> :. C&'(bac#2! de *)"?a(e...................................................................................%@ EJERCICIOS DE TORNEADO........................................................................................ %% %. Pla!"ea&#e!" del '(ble&a de "(!ead.............................................................%% $. F#+,(a a "(!ea( -+(/c CAD0..............................................................................%%
EJERCICIOS DE FRESADO %. Pla!"ea&#e!" del '(ble&a de )(e*ad Pa(a l* e5e(c#c#* '(',e*"*3 c(ea( ,! '(+(a&a e! le!+,a5e ;G< c! c&'e!*ac#2! de 4e((a&#e!"a* e! (ad# 6 al",(a3 (ad# ec"(e*3 c#cl* /5* de ',!"ead3 "alad(ad3 (*cad 6 *,b'(+(a&a*3 'a(a 'e(/la( la* '#e7a* *2l#da* '(',e*"a*. E! ca* de ele+#( ,!a '#e7a ,e ! d#*'!+a de "alad(* (*cad*3 a*#+!a( ,!* c,a!"* e! l,+a(e* ,e e*"#&e adec,ad 'a(a c,&'l#( c! l* (e,e(#&#e!"* del e5e(c#c#. Selecc#!a( 6 de*#+!a( el &a"e(#al a &eca!#7a(3 la* 4e((a&#e!"a* de c("e3 4e((a&#e!"a* de *,5ec#2! de c("ad(e* 6 4e((a&#e!"a* de *,5ec#2! de '#e7a*3 de"e(&#!a( l* 'a(&e"(* de c("e3 calc,la( el !&e( de (el,c#!e*3 la elc#dad de aa!ce 'a(a cada 'e(ac#2! 6 la '"e!c#a de c("e 'a(a la 'e(ac#2! &* 'e*ada e! ,!a &,#!a CNC c,6 (e!d#&#e!" e* del 9.
$. F#+,(a a )(e*a( -+(/c CAD0
1. Selecc#2! del &a"e(#al3 4e((a&#e!"a* de c("e3 4e((a&#e!"a* de *,5ec#2! de c("ad(e* 6 4e((a&#e!"a* de *,5ec#2! de '#e7a* Se ,"#l#7a( ace( al ca(b! de c!*"(,cc#2! SAE 1020. C! l* *#+,#e!"e* da"*=
P( l "a!" 'a(a e*"e &a"e(#al *e ,"#l#7a( l* 8@ +&&$ ,e e* #+,al a 1H$ N&&$3 e!"!ce*=
La* &ed#da* ,e del &a"e(#al e! b(," *e(!= ::1 ',l+ada* De ac,e(d a la* 'e(ac#!e* 6 al &a"e(#al ,e *e a a ,"#l#7a( "e!e&* la* )(e*a* &* adec,ada* 'a(a !,e*"( "(aba53 c& *e &,e*"(a e! la /+,(a de aba5.
P( l "a!" "e!d(e&* ,e la '#e7a e! b(," *e( *,5e"ada &ed#a!"e la* &(da7a* de la &,#!a 6 la* 'e(ac#!e* 6 4e((a&#e!"a* de c("e *elecc#!ada* *e &,e*"(a! e! la *#+,#e!"e "abla= Operac ión
Herramienta de corte
Herramient a de sueción
!"icaci Re#o$uci ón ATC ones S %rpm&
A#ance '( %mm)m
*oten cia *m
in&
Pla!ead
Pla!ead(a a H@ Sa!d#= C( &#ll 1H@ Dc=%$&&
F(e*ad
SS F(e*a %@ &&
C! de *,5ec#2! BT8@K FMB$$KH@ C! '("a '#!7a*
@9
@%
8>>9
%81$
C! '("a '#!7a* C! '("a '#!7a* C! '("a '#!7a*
@$
$:>1
$:>
@1
H99
%H%
@8
1%
$:9
%+,&
%.:
C(&#ll Pl,(a R $% : . $ 8 K %@ 9@ D C $$ P
P,!"ead Talad(ad R*cad
SS B(ca de ce!"(* 1%:< SS B(ca %@ && SS )(e*a de (*ca( M%$'a* %.
@.:H
8. Clc,l de 'a(&e"(* de c("e
a. F(e*ad Da"*= • • • • • • • •
e((a&#e!"a a ,"#l#7a(= F(e*a c#l!d(#ca )(!"al C(&#ll Pl,(a Ma"e(#al de la )(e*a= SS ace( ('#d D#&e"( de la )(e*a= %@ && N&e( de d#e!"e*= 8 Ma"e(#al a &eca!#7a(= SAE %@$@ P(),!d#dad '( 'a*ada= 9 && P(),!d#dad ""al %@ && Re!d#&#e!" de la &,#!a= 9 o
Dela tabla SGS : m min
o
V c =150
o
f z= 0.075
o
n=
o
V f =n∗f z∗ z =4775 ∗0.075∗4 =1432.39
mm z
V c∗1000 Dc∗π
=
150∗1000 10∗π
=
4774,65 rpm≈ 4775 rpm
mm min
N
o
k c =1450
o
F c = a p∗k c∗f z=5∗1450∗0.075 =543.75 N
o
F c∗V c 543.75∗150 = = 1359.375 W Pc =
o
Pc =1.359 KW
o
Pm=
2
mm
de latablade Techinical Handbook
60
Pc η
60
1.359 =
0.85
=1.599
KW ≈ 1.6 KW
b. P,!"ead
• • • • • • • •
e((a&#e!"a a ,"#l#7a(= B(ca de ce!"(* 1%:< Ma"e(#al de la )(e*a= SS ace( ('#d D#&e"( de la b(ca= 8.>: && -1%: #!0 N&e( de d#e!"e*= $ Ma"e(#al a &eca!#7a(= SAE %@$@ P(),!d#dad '( 'a*ada= %@ && P(),!d#dad ""al= %@ && Re!d#&#e!" de la &,#!a= 9 o
Dela tabla 24.12 broca − Prontario de m!"ina# : m min
o
V c =( 25 −40 ) 4 0
o
f n=0.10
o
n=
o
V f =n∗f n=2675∗0.10=267.347
mm z
V c∗1000 Dc∗π
=
4 0∗1000 4.76∗π
=
2673.47 rpm≈ 2675 rpm
mm mm ≈ 267.5 min min
c. Talad(ad
• • • • • • • •
e((a&#e!"a a ,"#l#7a(= B(ca %@ && Ma"e(#al de la )(e*a= SS ace( ('#d D#&e"( de la b(ca= %@ && N&e( de d#e!"e*= $ Ma"e(#al a &eca!#7a(= SAE %@$@ P(),!d#dad '( 'a*ada= %@ && P(),!d#dad ""al= %@ && Re!d#&#e!" de la &,#!a= 9 o
d. R*cad
Dela tabla 24.12 broca− Prontario de m!"ina# : m min
o
V c =( 25 −40 ) 30
o
f n=0.20
o
n=
o
V f =n∗f n=955∗0.20 =190.98
o
k c = 2363
o
Pc =
mm z
V c∗1000 Dc∗π
=
N 2
mm
20∗1000 10∗ π
=
954.9 rpm≈ 955 rpm
mm mm ≈ 191 min min
del #oft$arede Sand%ik
f n∗V c∗ D c∗k c 240∗1000
=
0.2∗30∗10∗2363 240∗1000
=
0.59 KW
• • • • • • • •
e((a&#e!"a a ,"#l#7a(= )(e*a de (*ca( Ma"e(#al de la )(e*a= SS ace( ('#d D#&e"( de la )(e*a= %@ && N&e( de d#e!"e*= 1 Ma"e(#al a &eca!#7a(= SAE %@$@ P(),!d#dad '( 'a*ada= %@ && P(),!d#dad ""al= %@ && Re!d#&#e!" de la &,#!a= 9 o
Dela tabla 27.12 ro#cado − Prontario de m!"ina# : m min
o
V c =( 8 −16 ) 10
o
n=
o
V f =%elocidad de penetraci&n =265
V c∗1000 Dc∗π
=
1 0∗1000 10∗π
=
318.3 rpm≈ 318 rpm
mm #oft$are Sand%ik min
9. P(+(a&ac#2! e! le!+,a5e ;G<= I!"e('lac#2! L#!eal3 I!"e('lac#2! c#(c,la(3 c&'e!*ac#2! de 4e((a&#e!"a3 c#cl* de &eca!#7ad. O:@@@-PROGRAMA PRINCIPAL0 N%@ G%> G$@ G8@ G8H G9@ G98 G@ GH@ GH8 N$@ M@: T@% N$9 G8$ D% N1@ G@@ G81 @% X:.1> Y8 N8@ M@1 S1@@@ N9@ Z$ N:@ G@% Z.9 F9@@@ N:% MH P:%@@ N:H G@@ Z.9 N>@ G9% X:.1> Y8 I% JK% N>% G8$ D% N>$ MH P:%@@ N@%:@ G@@ Z.$9
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:. C&'(bac#2! de *)"?a(e
EJERCICIOS DE TORNEADO %. Pla!"ea&#e!" del '(ble&a de "(!ead Pa(a l* e5e(c#c#* '(',e*"*3 c(ea( ,! '(+(a&a e! le!+,a5e ;G< c! c&'e!*ac#2! de 4e((a&#e!"a* e! (ad#3 al",(a 6 (ad# ec"(e* 'a(a 'e(/la( la* '#e7a* *2l#da* '(',e*"a*. Selecc#!a( 6 de*#+!a( el &a"e(#al a &eca!#7a(3 la* 4e((a&#e!"a* de c("e3 4e((a&#e!"a* de *,5ec#2! de c("ad(e* 6 4e((a&#e!"a* de *,5ec#2! de '#e7a*3 de"e(&#!a( l* 'a(&e"(* de c("e 6 calc,la( el !&e( de (el,c#!e*3 la elc#dad de aa!ce 'a(a cada 'e(ac#2! 6 la '"e!c#a de c("e 'a(a la 'e(ac#2! &* 'e*ada e! ,!a &,#!a CNC c,6 (e!d#&#e!" e* del 9.
$. F#+,(a a "(!ea( -+(/c CAD0
1. Selecc#2! del &a"e(#al3 4e((a&#e!"a* de c("e3 4e((a&#e!"a* de *,5ec#2! de c("ad(e* 6 4e((a&#e!"a* de *,5ec#2! de '#e7a* Se ,"#l#7a( ace( al ca(b! de c!*"(,cc#2! SAE 10-.. C! l* *#+,#e!"e* da"*=
P( l "a!" 'a(a e*"e &a"e(#al *e ,"#l#7a( l* 8@ +&&$ ,e e* #+,al a 1H$ N&&$3 e!"!ce*= E!"!ce* "e!d(e&* ,e la '#e7a e! b(," *e( *,5e"ada &ed#a!"e el 'la" del "(! 6 la* 'e(ac#!e* 6 4e((a&#e!"a* de c("e *elecc#!ada* *e &,e*"(a! e! la *#+,#e!"e "abla= Operaci ón
Herramienta de corte
Herramien ta de sueción
!"icac ión ATC
De*ba*"e &ed# "(!ead l!+#",d# !al 6 (e)(e!"ad
e((a&#e!"a de c("e= C( T,(! RC GC8$%9 -Pla,#"a '*#"#a R&b#ca de de*#+!ac#2! C @. Pa(a '#e7a* 'e,eQa* C(T,(! %@>4e((a&#e!" a c! &a!+
e((a&#e!" a de *,5ec#2!=
T@%@%
C(C," XS c! C(&a!" ca'" C8K TRIKOKA
Re#o$uci ones S %rpm&
A#ance '( %mm)m in&
*oten cia *m %+,&
%. De*ba*"e &ed# "(!ead l!+#",d#!al 6 (e)(e!"ad mm m 'V c =240 lon(itd decorte 70 mm re% min
a.
f n=0.3
b.
n=
c.
ap =1 mm
d.
K r =90 )
e.
K c =2701
).
cm *=72 min
+.
n+merode pa#ada# =5
4.
Tc =19.7 #
240∗1000
π ∗15
5093 rpm
=
N mm
2
3
Pc= 3.24 KW #. $. De*ba*"e 7!a % a. l on(itd de corte 11 mm
b.
ap =0.5 mm
c.
K r =90 )
d.
K c =2701
e.
cm *=18 min
).
n+merode pa#ada# =8
+.
Tc =5.3 #
N mm
2
3
4. Pc= 0.81 KW 1. De*ba*"e 7!a $ a. lon(itd decorte 50 mm b.
ap =0.5 mm
c.
K r =90 )
d.
K c =2701
e.
cm *=18 min
).
n+merode pa#ada# =8
+.
Tc =15.6 #
N mm
2
3
4.
Pc= 0.81 KW
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