Jig grinding – Fundamentals

Application

Jig grinding means grinding of a 2D contour. There is not much of a difference between jig grinding and milling. Instead of a milling cutter, a grinding tool is used, such as a grinding pin. Machining is performed in milling mode (i.e., with FUNCTION MODE MILL).

Grinding cycles provide special movements for the grinding tool. A stroke or oscillating movement, the so-called reciprocating stroke, is superimposed with the movement in the working plane.

Example

The table below shows an example of what a program layout with the grinding cycles might look like:

Outline: Grinding with a reciprocating stroke

0 BEGIN PGM GRIND MM

1 FUNCTION MODE MILL

2 TOOL CALL "GRIND_1" Z S20000

3 CYCL DEF 1000 DEFINE RECIP. STROKE

...

4 CYCL DEF 1001 START RECIP. STROKE

...

5 CYCL DEF 14 CONTOUR

...

6 CYCL DEF 1025 GRINDING CONTOUR

...

7 CYCL CALL

8 CYCL DEF 1002 STOP RECIP. STROKE

...

9 END PGM GRIND MM