Write a complete APT program to machine the outline of the geometry as shown in figure? (Assume suitable data)

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written 8.4 years ago by

teamques10 ★ 68k

Operation: Profile missing

Tool: HSS End Mill cutter of ф20mm

Spindle speed N= 1000xV/ΠD

= 1000x35/Πx20 $\ \ \ \ \ \ \ \ \ \ \ \ $ [for milling operation assuming V=35 π/πn]

Therefore, N= 600rPm

Now,

Horizontal feed= 0.8xN = 0.8x600 = 480

[No need of vertical feed rate]

PART NO PROFILE MILLING MACHINE / MILL 05, CLPRINT,INTOL/0.01, OUTOL/0.01, UNIT/mm, < br> CUTTER/20	05-5 Machine number 04,(Auxiliary statement)
P0=,POINT/-50, -50, 50, P1= POINT/ 40, 0, -15, P2= POINT/60, 0, -15, P3=POINT/ 90, 40, -15, <bt> P4 = POINT/ 10, 40, -15, P5= POINT/ 10, 20, -15, <bbr> P6 = POINT/ 30, 20, -15, P7= POINT/ 40, 10, -15, P8= POINT/ 50, 40, -15, P9 = POINT/ 10, 30, -15, P10 = POINT/ 30, 10, -15, L1= LINE/P1, P2, L2= LINE/P3, P4, L3= LINE/P5, P6, L4= LINE/P7, P1	(Geometric statement)
C1= CIRCLE/ CENTRE, P8, RADIUS, 40, C2= CIRCLE/ CENTRE, P9, RADIUS, 10, C3= CIRCLE/ CENTRE, P10, RADIUS, 10,PLI= PLANE/ P1, P2, P3	(Geometric statement)
SPINOL/600, FEDRAT/ 480 MMPM, COO LNT/ON	30(Post processor statement)
FROM/PO, GO/TO, L1, TO, PL1, TO, L4, GORGT/ L1, PAST, C1, GOFWD/ C1, PAST, L2, GOLFT/ L2, TO, P4, GOFWN/ C2, TANTO, L3,GORGT/ L3, TO, P6, GODWD/ L3, TANTO, L4, GORGT/ L4, PAST, L1, RAPID, GOTO/PO	GOTA, DSURF, TO, PALNE, TO,(Motion statement)
SPINDL/OFF, COOLNT/OFF, FINI	(Post processor statement)

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