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G-CODEEIA/ISO · modal · group 09
G273

Contour-parallel roughing cycle

Machine-specific. This G-code reference is specific to the Mazak INTEGREX e-670H / e-670H-S with the MAZATROL SmoothX control (EIA/ISO programming manual H747PB0030E). G-code availability depends on fitted options, and groups and behaviour differ between Mazak models and control generations — verify against the manual for your own machine before programming with any code.
What it does

This function allows efficient execution in roughing when cast or forged parts are to be cut along the finishing contour.

G273 is modal (group 09) — it stays in effect until another code of the same group replaces it.

Programming format
G273 Ui Wk Rd;
G273 P_ Q_ Uu Ww F_ S_ T_;
i : Escape distance and direction along the X-axis (in radius value)
The value is modal and remains valid until it is overwritten with a new value.
k : Escape distance and direction along the Z-axis
The value is modal and remains valid until it is overwritten with a new value.
Address words
  • d : Number of divisions
  • This denotes the number of roughing operations to be repeated. The value is modal and
  • remains valid until it is overwritten with a new value.
  • For other addresses see the description given for G271.
  • Note: Even if F- and S-codes exist in the program section designated by P and Q, they are
  • considered as for the finishing cycle only and, therefore, ignored in the roughing cycle.
Notes & precautions
  • Even if F- and S-codes exist in the program section designated by P and Q, they are
Source

Mazak PROGRAMMING MANUAL for EIA/ISO PROGRAM, manual H747PB0030E, section 13-6-3 Contour-parallel roughing cycle: G273, p. 3-11, 13-60, 13-61, 13-62, 13-63, 13-64, 13-76, 13-77, 13-78, 13-79. Reference and explanation only — not a reproduction of the manual.

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