比例缩放指令：

G51  X  Y  P；XY为缩放中心，P为缩放比例

G50；取消比例缩放

例：

主程序

O0064

G90G00G54X-65Y-22F50S450M03

N20Z-5

N30G01X-8

N40X-24Y8

N50Y0

N60G41D01X-15Y-15

N70G03X0Y0R15

N80G51X0Y0P1.6

N90M98P641

N100G50

N110G03X-10Y10R10

N120G01G40X-24Y0

N130X-26Y0

N140G02X-48Y-22R22

N150G01X-65Y-22

N160G00X-65Y31

N170G01X-29Y67

N180G00X29

N190G01X65Y31

N200G00Z100

N210M30

子程序：

O0641

N10G90G03X-30Y0R-15

G91G01X-5

X-15Y-15

Y15

X20

N20G90G02X30Y0I30

N30G02X0Y0I-15

N40M99

加工视频：