Numerical control G71

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With external diameter rough machining compound loop weaves plan institute shows the machine program of the spare parts: Requirement circulation is bit more initial in A(46, 3) , cutting deepness is 1.

5mm (radius is measured) . The quantity that retreat a knife is 1mm, surplus of X direction finish machining is 0.

4mm, surplus of Z direction finish machining is 0.

1mm, its midpoint underlines a part to be work semifinished product. Graph G71 external diameter is compound %118N1 G59 G00 X80 Z80 of example of circular process designing (coordinate of make choice of fastens G55, to program start position) N2 M03 S400 (main shaft is turning with 400r/min) N3 G01 X46 Z3 F100 (cutting tool arrives circular start position) N4 G71U1.

5R1P5Q13X0.

4Z0.

1 (thick cut an amount: 1.

5mm essence cuts an amount: X0.

4mmZ0.

1mm) N5 G00 X0 (finish machining outline is initiative row, to extension line pouring wine cup) N6 G01 X10 Z-2 (finish machining 2×45° pours wine cup) N7 Z-20 (the circle outside finish machining Φ10) N8 G02 U10 W-5 R5 (circular arc of finish machining R5) N9 G01 W-10 (the circle outside finish machining Φ20) N10 G03 U14 W-7 R7 (circular arc of finish machining R7) N11 G01 Z-52 (outside finish machining Φ34 round) N12 U10 W-10 (outside finish machining conic) N13 W-20 (, end of finish machining outline goes) N14 X50 (exit already machined a face) N15G00 X80 Z80 (answer pair of knives to nod) N16 M05 (main shaft stops) N17 M30 (the main program ends and restoration) CNC Milling