Delem DA-66T, Reference Manual

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V0913, 9.16
9.7. Computation settings
Active bend allowance table
computation => the control will calculate the bend alowance
table => the bend allowance table will be used
Bend-allowance is the correction of the X-axis due to sheet shortening after bending.
With this parameter the method for bend-allowance calculation is chosen. 'Computation'
means the standard formula of the control is used to calculate the bend-allowance.
'Table' means a bend-allowance table with correction values can be used. The choice
'table' is only available if a bend-allowance table is present on the control.
Data preparation bend allowance
correction off => no bend-allowance added to numerical programming
correction on => bend-allowance correction added to numerical programming
With this parameter you can choose whether or not you wish to have programmed
values corrected for bend-allowance. This setting only refers to corrections during
product programming in the Program mode. If a numeric program has been entered with
Corrections On, the axis corrections are calculated and stored in the program. These
corrections can be viewed and edited in production mode (see 'Auto mode').
This choice has no effect on the post process function in the Drawing mode. When the control
post processes to calculate a CNC program from a drawing with bend sequence, the control
will always take bend-allowance into account.
When a bend-allowance table is present and the cursor is on the parameter Active Bend
Allowance Table then an extra function is available: Edit Table. With Edit Table the table can
be modified to meet user requirements. The table appears in a new window, with its own
controls.