Operator`s manual

Advanced Haas Mill Programming Techniques Training Manual Page 36
Using Block Delete for Removing Features (Subtracting Features)
Block Delete may be used on similar parts where the only difference is that a feature has been subtracted.
Instead of creating another program with subtracted features block delete may be used to subtract
features within the same program.
Part 101
Part 102
The only difference from Part 101 and Part 102 is that 4 interior holes have been subtracted from Part 102.