HEIDENHAIN SW 548328-05 DIN Programming - Manual (Page 539)

HEIDENHAIN MANUALplus 620, CNC PILOT 620/640
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Machining sequence for contour recessing
Machining sequence for recessing
Main machining Submachining Location Execution
Contour recessing Contour analysis:
Recess areas (recesses) are determined and
machined according to the "inward copying angle (EKW)."
Sequence : First outside, then inside machining
Machining parameter:
1 Global parameters for finished parts
All – Radial/axial machining – outside and inside
Shaft machining: Axial machining on the outside is performed on
front and back
Longitudinal
machining
Outside Radial machining – outside
Longitudinal
machining
Inside Radial machining – inside
Transverse
machining
Outside/
front
Axial machining – outside
Transverse
machining
Inside/front Axial machining – inside
Recess turning and contour turning are used alternatively.
Main machining Submachining Location Execution
Recessing Contour analysis:
Determining the "Recess" form elements:
 Type S (guarding ring – recess type S)
 Type D (sealing ring – recess type D)
 Type A (recess general)
 Type FK (relief turn F) – FK is only machined using "Recessing"
if the "inward copying angle (EKW) <= mtw."
Sequence : First outside, then inside machining
Machining parameter (with type FK): 1 Global parameters for
finished parts
All – All recess types; radial/axial machining; outside and inside
Type S, D, A, FK – Radial/axial machining – outside and inside
Type S, D, A, FK Outside Radial machining – outside
Type S, D, A, FK Inside Radial machining – inside
Type S, D, A, FK Outside/
front
Axial machining – outside
Type S, D, A, FK Inside/front Axial machining – inside