Gravograph speeds up marking

The new iQ+ electronic monitoring and control system, developed specifically by Gravograph for its range of engraving machines, increases their speed by up to 50%.

iQ+ is fitted as standard to Gravograph´s M and IS series machines manufactured since March 2009.

In practice, three types of movement have been optimised. First, the vertical movement speed of the spindle in the Z-axis. In engraving, a very large number of ´pen up´/´pen down´ movements account for a substantial part of the cycle time. With the iQ+ control and command electronics, this speed increases, for example from 25 to 40 mm/s on the M20/M40 models and from 35 to 120 mm/s on IS400 and IS1000.

Next, the off-load speed, to optimise movements when the spindle is in the raised position, between two engraving passes. This parameter influences overall job completion time. These speeds increase from 25 to 50 mm/s on an M20 and from 60 to 150 mm/s on an IS400.

Last, the diamond scoring speed, when the work consists in engraving with a non-rotating diamond on an anodized aluminium plate, for example. This offers the customer the option of completing the work more quickly, as this marking procedure does not have the limits of cutters that generate swarf.

iQ+ also enables many new functions to be provided, such as automatic offset for Gravograph´s Braille System, used to mark Braille text. The electronics can now automatically control the offset between the drilling spindle and the bead insertion system that generates the raised Braille text.

iQ+ is also the basis for Point n´Shoot and remote control. The Point n´Shoot function provides a laser pointer to position the engraving visually on the object and simulate the engraving work before the job to be completed is actually carried out.

Author
Nicki McKenna

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