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
Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
237
Supplementary conditions
● Tool radius compensation may be used.
● Collision monitoring is carried out in the projection in the plane.
Examples
Example 1: B spline
Program code 1 (all weights 1)
N10 G1 X0 Y0 F300 G64
N20 BSPLINE
N30 X10 Y20
N40 X20 Y40
N50 X30 Y30
N60 X40 Y45
N70 X50 Y0
Program code 2 (different weights)
N10 G1 X0 Y0 F300 G64
N20 BSPLINE
N30 X10 Y20 PW=2
N40 X20 Y40
N50 X30 Y30 PW=0.5
N60 X40 Y45
N70 X50 Y0
Program code 3 (check polygon) Comments
N10 G1 X0 Y0 F300 G64
N20 ; N/A
N30 X10 Y20
N40 X20 Y40
N50 X30 Y30
N60 X40 Y45
N70 X50 Y0

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