WEIHONG ELECTRONIC Ncstudio, Programming Manual

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上海维宏电子科技股份有限公司
Weihong Electronic Technology Co., Ltd.
Specialized, Concentrated, Focused 7
4 Programming Instruction System
4.1 Spindle Function (S), Feed Function (F) &Tool Function (T)
Spindle Function S
Command Format: S_
Description:
S command is used to control the spindle speed. Its subsequent numerical value denotes the
rotate speed of spindle in rpm.
S is a modal command, and S function is valid only when the spindle speed is adjustable. When
one S command is specified, it will be valid until the next S command is specified.
Note: even though the spindle is off, the value of S remains.
Feed Speed (Feedrate) F
Command Format: F_
Description:
Command F indicates the synthetic feed speed of tool relative to the workpiece being machined.
Its unit is mm/min.
With the help of feedrate override switch on the operation panel, F can be adjusted between
feedrate percent 0% -120%.
F functions differently with different commands:

G00 command, specifying the rapid traverse speed, modal for the current machining procedure.

G01~G03 command, specifying the feed speed, modal for the current machining procedure.
Tool Function (T Feature)
Command Format : T_
Description:
T is used for selecting a tool; the subsequent value denotes the tool no. selected, and the
relationship between T code and a tool is stipulated by machine tool manufacturer.
When a machining center runs T code, tool magazine will rotate to select the required tool, and
wait until command M06 comes into effect to finish automatic tool change.
T command calls in tool compensation value (including length and radius) from the tool