Back to GSM Code List

Heidenhain APPR/DEP: Contour approach and retract

Conversational functions for approaching and retracting from the contour.

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
Medium
Example
APPR ... / DEP ...
E.g.:
APPR ... / DEP ...

Machine: Milling, Mill-turnRisk: Medium

Heidenhain

  • Affects tool entry/exit and compensation.

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 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 cyclesHeidenhain CYCL DEF 200-209 Drilling, reaming, boring and tapping
See the full list of G and M codes

Frequently Asked Questions (FAQ)

What does Heidenhain APPR/DEP mean in a CNC program?

Conversational functions for approaching and retracting from the contour. In the catalogue it appears as "Contour approach and retract", within the Heidenhain family.

Can you give me an example of Heidenhain APPR/DEP?

APPR ... / DEP ... — Conversational functions for approaching and retracting from the contour.

Which machines use Heidenhain APPR/DEP?

Heidenhain APPR/DEP is used in: Milling, Mill-turn.

What should you watch out for with Heidenhain APPR/DEP?

Medium risk: it rarely breaks anything on its own, but a wrong value shows up on the part. Check the block before running the batch.

Related tools

CNC G-code Simulator

CNC IDE: editing with G/M tooltips, line inspector, conversion between controls and 2D/3D toolpath.

CNC Alarms Guide

CNC Alarms and Solutions Guide. Enter the error code or symptom to find the cause and how to repair it at the machine.

Calculate cycle time

Estimate CNC turning and milling cycle time from G-code. Calculate parts per hour with a breakdown of cutting, rapids, canned cycles and tool changes.