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78 4 Tool Management
4.2 Tool Data
Ramping into a Compensation Move
Entry moves allow a smooth transition into a contour. Allowing a
way to avoid areas you do not want to affect with the tool when
entering a contour, Entry Move button (G36). If an entry move
without compensation is required, program a tool with “0” radius.
Four types of entry moves are available. Refer to Line Tangent Entry
Move, Line Perpendicular Entry Move, Arc Tangent Entry Move and
Line Arc Tangent Entry Move.
Line Tangent Entry Move
In a line tangent entry move the tool approaches the contour in a line
move tangent to the first move of the contour.
The tool feeds from the current position to a calculated point based on
the Length (L) parameter then feeds to the compensated starting
point of the contour in a line move tangent to the first move of the
contour. The direction of the entry move can be reversed by
programming a negative Length (L). All programmed Z movements
occur during the entry move (G41 Xx Yy Zz G36 Q1 Ll).
The line tangent exit move is executed the same as the entry, but in
reverse order (G37 Q1 Ll).
Line Perpendicular Entry Move
In a line perpendicular entry move the tool approaches the contour in
a line move perpendicular to the first move of the contour.
The tool feeds from the current position to a calculated point based on
the Length (L) parameter then feeds to the compensated starting
point of the contour in a line move perpendicular to the first move of
the contour. The direction of the entry move can be reversed by
programming a negative Length (L). All programmed Z movements
occur during the entry move (G41 Xx Yy Zz G36 Q2 Ll).
The line perpendicular exit move is executed the same as the entry,
but in reverse order (G37 Q2 Ll).