HEIDENHAIN SW 548328-05 DIN Programming - Manual (Page 119)

HEIDENHAIN MANUALplus 620, CNC PILOT 620/640
119
2.7 Units—Finishing
"Relief turns (undercut) type E, F, DIN76" unit
The unit machines the undercut defined by KG, and then the plane
surface. The cylinder chamfer is executed when you enter at least one
of the parameters 1st cut length or 1st cut radius.
Unit name: G85x_DIN_E_F_G / Cycle: G85 (see page 306)
Access to the technology database:
 Machining operation: Finishing
 Affected parameters: F, S, E
Overview form
KG
Type of relief turn (undercut)
 E: DIN 509 type E; Cycle G851 (see page 308)
 F: DIN 509 type F; Cycle G852 (see page 309)
 G: DIN 76 type G (thread undercut); Cycle G853 (see
page 310)
X1, Z1 Contour starting point (X1: diameter value)
X2, Z2 Contour end point (X2: diameter value)
App Approach see page 63
Parameters on the "Type E" form
I
Undercut depth (default: value from standard table)
K Undercut length (default: value from standard table)
W Undercut angle (default: standard table 15°)
R Undercut radius (default: value from standard table)
H Type of departure
 0: To the starting point
 1: Plane surface end
Parameters on the "Type F" form
I
Undercut depth (default: value from standard table)
K Undercut length (default: value from standard table)
W Undercut angle (default: standard table 15°)
R Undercut radius (default: value from standard table)
P2 Face depth (default: value from standard table)
A Face angle (default: 8° from standard table)
H Type of departure
 0: To the starting point
 1: Plane surface end