Siemens SINUMERIK 828D Programming Manual

Special Motion Commands
4.2 Spline interpolation (ASPLINE, BSPLINE, CSPLINE, BAUTO, BNAT, BTAN, EAUTO, ENAT, ETAN, PW,
SD, PL)
Job planning
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Example 2: C spline, zero curvature at the start and at the end
Program code
N10 G1 X0 Y0 F300
N15 X10
N20 BNAT ENAT
N30 CSPLINE X20 Y10
N40 X30
N50 X40 Y5
N60 X50 Y15
N70 X55 Y7
N80 X60 Y20
N90 X65 Y20
N100 X70 Y0
N110 X80 Y10
N120 X90 Y0
N130 M30

Siemens SINUMERIK 828D Specifications

General

Control Type	CNC
Operating System	Windows Embedded
Processor	Intel Atom
Display	10.4" color TFT display
Interfaces	Ethernet, USB
Programming	ShopMill, ShopTurn
Operation Panel Size	10.4"
Protection Class	IP65
PLC Memory	2 MB
Spindle Capacity	4 spindles
Hard Drive	CompactFlash