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Heidenhain BLK FORM: Definition of blank

Defines the geometry of the blank for graphical simulation in the control.

For reference only: syntax changes with the control, the post-processor and the machine parameters. Check the official manual and run a simulation before cutting. Legal notice.

Family
Heidenhain
Machine
Milling, Mill-turn
Risk
Low
Example
BLK FORM 0.1 Z X+0 Y+0 Z-20 BLK FORM 0.2 X+100 Y+100 Z+2
E.g.:
BLK FORM 0.1 Z X+0 Y+0 Z-20 
BLK FORM 0.2 X+100 Y+100 Z+2

Machine: Milling, Mill-turnRisk: Low

Heidenhain

  • It doesn't affect actual machining; simulation only.

Other codes in Heidenhain

Heidenhain TOOL CALL Heidenhain tool callHeidenhain TOOL DEF Definition of toolHeidenhain CYCL CALL Cycle callHeidenhain LBL Labels and subroutinesHeidenhain CALL PGM Subprogram callHeidenhain PATTERN DEF Position patternHeidenhain APPR/DEP Contour approach and retractHeidenhain CHF/RND Chamfer and roundingHeidenhain CYCL DEF 1/2 Legacy deep drilling and tappingHeidenhain CYCL DEF 7-11 Basic transformationsHeidenhain CYCL DEF 14/20 Contour and contour dataHeidenhain CYCL DEF 200+ Modern machining cycles
See the full list of G and M codes

Frequently Asked Questions (FAQ)

What does Heidenhain BLK FORM mean in a CNC program?

Defines the geometry of the blank for graphical simulation in the control. In the catalogue it appears as "Definition of blank", within the Heidenhain family.

Can you give me an example of Heidenhain BLK FORM?

BLK FORM 0.1 Z X+0 Y+0 Z-20 BLK FORM 0.2 X+100 Y+100 Z+2 — Defines the geometry of the blank for graphical simulation in the control.

Which machines use Heidenhain BLK FORM?

Heidenhain BLK FORM is used in: Milling, Mill-turn.

What should you watch out for with Heidenhain BLK FORM?

Low risk: it is a state instruction that rarely causes damage on its own, although it is worth writing it out so you do not depend on the machine's previous state.

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