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"Post-process force measurement" control instruction
This instruction allows the value of the force to be recorded in a "result" variable "X"[mm] before the end of a positioning.
Figure 1: Schematic explanation of the instruction Post-Process force measurement
This instruction must be used in conjunction with the curve recording instruction. Indeed, the value of the force "X"[mm] before the final position will be searched in the registration table.
This "post-process" instruction, unlike other controls, comes after the positioning in which the measurement is to be performed.
Figure 2: Example explaining how to use the "Post-process force measurement" control
Below is a list of the instruction's input and output parameters:
Parameter name |
Declaration |
Type of data |
Default value |
Description |
|---|---|---|---|---|
Position offset measurement [mm] |
Input |
LREAL |
0[mm] |
Distance before the final position where the force must be recorded |
Result [N] |
Output |
REAL |
-- |
Measured force X[mm] before the end position |
Table 1: List of instruction parameters
Example of use: We want to know the force exerted on a part, 0.05 millimeter before the final force of 150[N] is reached. To do this, in the program in figure 4, we make a movement to the pre-position, then a movement with a stop on signal control if the force is greater than 150[N] and when this force is reached we stop the axis. Then, the instruction "post-process force measurement" will read from the registration table the force exerted on the part 0.05 millimeter before the final force has been detected (axis stop).  Figure 3: Graphical explanation of the example  Figure 4: Part program to measure the force 0.05[mm] before the final position |
