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Write a complete APT program for the following part geometry as shown in figure. (Assume suitable feed and speed)

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Mumbai University > Mechanical Engineering > Sem 7 > CAD/CAM/CAE

Marks: 10 M

Year: May 2013

1 Answer
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enter image description here

Profile milling.

Tool: H.S.S END MILL CATTER OF ф10mm

Spindle speed= N= 1000xV/ Πx0

=1000x35/Πx10 [V=35m/min]

N= 1200rpm

Fee orate:

Horizontal Feed rate: F= 0.8xN = 0.8x1200= 960

{No need of vertical feed} Program

PART NO PROFILE MILLING
MACHINE/MILL 09,
CLPRNT,
INTOL/0.01,
OUTOL/0.01,
UNTTS/MM,
CUTTER/10
(Auxiliary statement)
P0= POINT/ -50,-50, 50,
P1= POINT/ 0,0, -10,
P2= POINT/ 7-,0, -10,
P3= POINT/ 100,30, -10,
P4= POINT/ 100,40, -10,
P5= POINT/ 60,80, -10,
P6= POINT/ 30,80, -10,
P7= POINT/ 0,40, -10,
P8= POINT/ 60,40, -10,
P9= POINT/ 100,0, -10,
L1= LINE/P1, P2,
L2= LINE/P3, P4,
L3= LINE/P5, P6,
L4= LINE/P6, P7,
L5= LINE/ P7,P1,
C1= CIRCLE/CENTER, P9, RADIUS, 30,
C2= CIRCLE/CENTER, P8, RADIUS, 40,
PL1= PLANE/ P1, P2, P3
(Geometric statement)
SPINDL/1200,
FEDRAT/ 960MMPM,
COOLENT/ON
(Post processor statement)
FROM/PO,
GO/TO, L1, TOPLI, TO, L5,
GORGT/ L1,PAST, P2,
GOFWD/C1, PAST,L2,
GOLEFT/ L2,PAST, P4,
GOFWD/ C2,TANTO, L3,
GOLEFT/ L3,PAST, L4,
GOLEFT/ L4,PAST, L5,
GOLEFT/ L5,PAST, L1,<br. rapid,<br=""> GOTO/PO,
SINDL/OFF,
COOLNT/OFF
(Motion statement),(Post processor statement)
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