Heidenhain CNC Pilot 4290 V7.1 Description of B and Y axes Manuel d'utilisateur télécharger pdf (Page 67)

HEIDENHAIN CNC PILOT 4290 67

1.11 DIN PLUS (Y Axis): Milling Cycles

Hobbing G808

Available as of software version 625 952-05.

G808 mills a gear profile from the “starting point in Z” to the “end

point K”. In W you enter the angular position of the tool.

If an oversize has been programmed, hobbing is split up in rough-

machining and subsequent finishing.

In parameters O, R and V you define the tool shift. Shifting by R

ensures a uniform wear of the hob cutter.

Y=0

RRRR

V=4

H=0

H=1

Parameters

Z Starting point

K End point

A Root circle diameter

B Outside diameter

W Angular position

J Number of teeth, workpiece

D Direction of rotation of the workpiece

 3: M3

 4: M4

S Surface speed [m/min]

P Maximum infeed

F Feed per revolution

I Oversize

E Finishing feed rate

O Shift starting position

R Shift value

V Number of shifts

H Infeed axis

 0: Tool infeed is performed in the X axis

 1: Tool infeed is performed in the Y axis

Q Workpiece spindle

 0: Spindle no. 0 (main spindle) holds the workpiece

 3: Spindle no. 3 (opposing spindle) holds the workpiece

U Gear ratio of tool

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 118 119

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Heidenhain CNC Pilot 4290 V7.1 Description of B and Y axes Manuel d'utilisateur Page 67