Departure function DEP LCT

Application

With the NC function DEP LCT, the control departs from the contour on a circular path, followed by a tangential straight line to the last contour element.

The coordinates of the end point PN are programmed with Cartesian coordinates.

Description of function

This NC function encompasses the following steps:

  • On a circular path from the last contour point PE to the auxiliary point PH
  • The auxiliary point PH is determined based on the last contour point PE, the radius R and the end point PN.

  • On a straight line from the auxiliary point PH to the end point PN

If you program the Z coordinate in the departure function, then the tool moves simultaneously in three axes from the auxiliary point PH to the end point PN.

Input

NC programs contained in this User's Manual are suggestions for solutions. The NC programs or individual NC blocks must be adapted before being used on a machine.

Change the following contents as needed:

  • Tools
  • Cutting parameters
  • Feed rates
  • Clearance height or safe position
  • Machine-specific positions (e.g., with M91)
  • Paths of program calls

Some NC programs depend on the machine kinematics. Adapt these NC programs to your machine kinematics before the first test run.

In addition, test the NC programs using the simulation before the actual program run.

 
Tip

With a program test you determine whether the NC program can be used with the available software options, the active machine kinematics and the current machine configuration.

11 DEP LCT X-10 Y-0 R15

; Tangentially depart from the contour linearly and circularly

To navigate to this function:

Insert NC function All functions Path contour Departure functions (DEP) DEP LCT

The NC function includes the following syntax elements:

Syntax element

Meaning

DEP LCT

Syntax initiator for a linear and circular departure function tangential to the contour

X, Y, Z, A, B, C, U, V, W

Coordinates of the last contour point

Number or numerical parameter

Entry: absolute or incremental

Optional syntax element

R

Radius

Number or numerical parameter

F, FMAX, FZ, FU, FAUTO

Feed rate

Feed rate F

Number or numerical parameter

Optional syntax element

M

M function

Miscellaneous Functions

Number or numerical parameter

Optional syntax element

Note

Example DEP LCT

NC programs contained in this User's Manual are suggestions for solutions. The NC programs or individual NC blocks must be adapted before being used on a machine.

Change the following contents as needed:

  • Tools
  • Cutting parameters
  • Feed rates
  • Clearance height or safe position
  • Machine-specific positions (e.g., with M91)
  • Paths of program calls

Some NC programs depend on the machine kinematics. Adapt these NC programs to your machine kinematics before the first test run.

In addition, test the NC programs using the simulation before the actual program run.

 
Tip

With a program test you determine whether the NC program can be used with the available software options, the active machine kinematics and the current machine configuration.

11 L Y+20 RR F100

; Approach the last contour element PE with RR

12 DEP LCT X+10 Y+12 R8 F100

; Approach PN; distance PE to PN: R8