
B–62444E–1/04
1. MACHINING PROGRAMS FOR
2–AXES (X AND Z AXIS) LATHES
TYPES OF MACHINING
PROGRAMS
289
(e) When end point of Auxiliary line is outside of begining point
(Auxiliary line dosen’t intersect with figure), the cross point of
Auxiliary line and the vertical line which passes the beginning
point becomes the new beginning point of figure.
Auxiliary line
before
end point
beginning
point
before
end point
new begnning
point
vertical line which passes
the beginning point
(f) This compensation is also effective in the backward cutting in bar
machining.
Auxiliary line
before
beginning point
end point
after
beginning point
end point
(g) When the distance between end point of Auxiliary line and start
point of figure is smaller than diameter of tool nose, the end point
of Auxiliary line becomes new start point of figure.
smaller than 2R.
before
move the end point of Auxiliary line.
after