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

1.7 Miscellaneous
1.7 1.7 Miscellaneous 1.7 Miscellaneous

Miscellaneous Function

Miscellaneous function refers to the operation to control the spindle, feed, and coolant. In
general, it is specified by an M code.
When a move command and M code are specified in the same block, there are two ways to
execute these commands:
1) Pre-M function
M command is executed before the completion of move command
Post-M function
2)
M command is executed after the completion of move command.
The sequence of the execution depends on the specification of the machine tool builder.
Function
Function Function
18
1. General