Electronic Gear For Gear Hobbing; Example Using Linear Couplings - Siemens SINUMERIK 840D sl Function Manual

M3: Coupled axes
5.8 Examples
N10 DEF REAL DEPPOS
N160 X0
N170 LEADOF(Y,X)
N180 DEPPOS = CTAB(75.0,2,GRADIENT)
N190 G0 X75 Y=DEPPOS
N200 LEADON(Y,X,2)
N210 G1 X110 F1000
N220 LEADOF(Y,X)
N230 M30
5.8.3

Electronic gear for gear hobbing

5.8.3.1

Example using linear couplings

Use of axes
The following diagram shows the configuration of a typical gear hobbing machine. The
machine comprises five numerically closed loop controlled axes and an open loop controlled
main spindle. These are:
• The rotary motion of the workpiece table (C) and hobbing cutter (B).
• The axial axis (Z) for producing the feed motion over the entire workpiece width.
• The tangential axis (Y) for moving the hobbing cutter along its axis.
• The radial axis (X) for infeeding the cutter to depth of tooth.
• The cutter swivel axis (A) for setting the hobbing cutter in relation to the workpiece as a
function of cutter lead angle and angle of inclination of tooth.
344
; Reading the table position at master
value 75.0 from the curve table with
Table No. 2
; Positions of leading and following
axis
; No synchronization of the following
axis is required after the coupling
is activated
Function Manual, 09/2011, 6FC5397-2BP40-2BA0
Special Functions