Axis Object (Excel)
Represents a single axis in a chart.
The Axis object is a member of the Axes collection.
Use Axes(type, group) where type is the axis type and group is the axis group to return a single Axis object. Type can be one of the following XlAxisType constants: xlCategory, xlSeries, or xlValue. Group can be one of the following XlAxisGroup constants: xlPrimary or xlSecondary. For more information, see the Axes method.