自作ユーロラックのレールナットホルダー加工Gコード生成スクリプト

holder_gc_gen.py

NUM_X = 24
NUM_Y = 4
SPAN_X = 8.0
SPAN_Y = 8.0

FILE_HOLE = "hole.ngc"
FILE_INNER = "inner.ngc"
FILE_OUTER = "outer.ngc"

HEADER_COM = """G21
G90
G94
G40
G64
F100.0
S1.0
M08
G04 P2.0
"""

FOOTER_COM = """G00 X0.000Y0.000
M09
M02
"""

GC_HOLE = """G91
G00 X3.500Y3.500
M03
G04 P1.5
M05
G04 P1.0
G90
"""

GC_INNER = """G91
G00 X1.900Y1.900
M03
G04 P1.0
G01 X0.000Y3.200
G01 X3.200Y0.000
G01 X0.000Y-3.200
G01 X-3.200Y0.000
G01 X-0.900Y-0.900
G01 X0.000Y5.000
G01 X-0.1464Y0.1464
G01 X0.1464Y-0.1464
G01 X5.000Y0.000
G01 X0.1464Y0.1464
G01 X-0.1464Y-0.1464
G01 X0.000Y-5.000
G01 X0.1464Y-0.1464
G01 X-0.1464Y0.1464
G01 X-5.000Y0.000
G01 X-0.1464Y-0.1464
G01 X0.1464Y0.1464
M05
G04 P1.0
G90
"""

GC_OUTER = """G91
G00 X-0.500Y-0.500
M03
G04 P1.0
G01 X8.000Y0.000
G01 X0.000Y8.000
G01 X-8.000Y0.000
G01 X0.000Y-8.000
M05
G04 P1.0
G90
"""

with open(FILE_HOLE, "w") as f:
    f.write(HEADER_COM)
    for y in range(NUM_Y):
        for x in range(NUM_X):
            f.write("G00 X{:.3f}Y{:.3f}\n".format(x*SPAN_X, y*SPAN_Y))
            f.write(GC_HOLE)
    f.write(FOOTER_COM)

with open(FILE_INNER, "w") as f:
    f.write(HEADER_COM)
    for y in range(NUM_Y):
        for x in range(NUM_X):
            f.write("G00 X{:.3f}Y{:.3f}\n".format(x*SPAN_X, y*SPAN_Y))
            f.write(GC_INNER)
    f.write(FOOTER_COM)

with open(FILE_OUTER, "w") as f:
    f.write(HEADER_COM)
    for y in range(NUM_Y):
        for x in range(NUM_X):
            f.write("G00 X{:.3f}Y{:.3f}\n".format(x*SPAN_X, y*SPAN_Y))
            f.write(GC_OUTER)
    f.write(FOOTER_COM)