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MAG IAS introduces exclusive W/Z zero tracking capability for its horizontal boring mills and HMCs with the Siemens 840D control, bringing a favorite operator-friendly feature to machinists programming collinear axes. Previously available only on the NumeriPath 8000 control, W/Z zero tracking for up to three collinear axes can be retrofitted to existing MAG machines with 840D controls or added to new machines.
W/Z tracking accounts for changes in machine geometry when one of the axes in a collinear set is repositioned in the part program. It electronically tracks each axis of the collinear set to calculate and maintain the correct part reference coordinate when one of the axes is repositioned. For example, the Z-axis reference point is typically the spindle gage line, while the W-axis reference point is a surface on the workpiece. After the W/Z relationship is established through part referencing, the control tracks all Z and W axis moves, displays their relationship, and moves one of the two axes to maintain the correct gap position.
W/Z tracking is especially useful when the machine operator modifies the part program at the CNC to account for interferences, better visual access to the cutting zone, etc. W/Z Tracking is available on MAG horizontal machines, including floor-type (FT/FTR series) and table-type (RT, PT and MC series) boring mills.
Related Glossary Terms
- boring
boring
Enlarging a hole that already has been drilled or cored. Generally, it is an operation of truing the previously drilled hole with a single-point, lathe-type tool. Boring is essentially internal turning, in that usually a single-point cutting tool forms the internal shape. Some tools are available with two cutting edges to balance cutting forces.
- computer numerical control ( CNC)
computer numerical control ( CNC)
Microprocessor-based controller dedicated to a machine tool that permits the creation or modification of parts. Programmed numerical control activates the machine’s servos and spindle drives and controls the various machining operations. See DNC, direct numerical control; NC, numerical control.
