Wuhan Huazhong Numerical Control Co., Ltd HNC-18iT v4.0 Programming Manual page 60

5.2 Auto Return
5.2 5.2 Auto 5.2 Auto Auto Return Return Return from
Programming
Programming Programming Programming
G29 X(U)_ Z(W)_
Explanation Explanation Explanation of of of of the the the
Explanation the parameters
X, Z Coordinate value of the end point in absolute command
U, W Coordinate value of the end point in incremental command
Function
Function Function Function
The tool is moved rapidly from the intermediate point defined in G28 to the end point. Thus,
G29 is generally used after G28 is defined.
Note: Note:
Note: Note:
G29 is one-shot G code.
from Reference
from Reference from Reference Reference Position
parameters parameters
parameters
Position
Position (G29) Position
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5. Coordinate System
(G29)
(G29) (G29)