W4: Grinding-specific tool offset and tool monitoring
17.4 Grinding-specific tool monitoring
Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
825
Parameterization
The parameters of the online tool offset are set using commands PUTFTOCF and PUTFTOC.
Parameter "LENGTH 1_2_3" must be supplied as follows for an online tool radius
compensation:
Parameter <length 1_2_3> = 4
Wear parameter to which correction value is added.
Supplementary conditions
● A tool radius compensation, and thus also an online tool radius compensation, can be
activated only when the selected tool has a radius other than zero. This means that
machining operations cannot be implemented solely with a tool radius compensation.
● The online offset values should be low in comparison to the original radius to prevent the
permitted dynamic tolerance range from being exceeded when the offset is overlaid on
the axis movement.
● When online tool radius compensation is applied to grinding and turning tools (types 400-
599), the compensation value is applied as a function of the tool point direction, i.e. it acts
as a radius compensation when tool radius compensation is active and as a length
compensation when tool radius compensation is deactivated in the axes specified by the
tool point direction.
On all other tool types, the compensation value is applied only when tool radius
compensation has been activated with
G41 or G42. The compensation value is canceled
when tool radius compensation is deactivated with
G40.
17.4 Grinding-specific tool monitoring
17.4.1 General information
Activation
The tool monitoring function is a combination of geometry and speed monitors and can be
activated for any grinding tool (tool type: 400 to 499).
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