Fanuc Parameter 1860 Full !!top!! <Web WORKING>

If you are experiencing vibration or servo alarms during rapid direction changes (like a G01 moving from X to Y), adjusting Parameter 1860 (along with 1620/1622) acts as a "dampener." It forces the axis to hesitate slightly during the transition, eliminating the shock to the ball screw.

By fine-tuning parameter 1860, users can optimize the advanced preview function to suit specific machining requirements, such as:

| Machine Type | Rigidity | Typical 1860 Range (ms) | | :--- | :--- | :--- | | Small VMC (BT30) | High | 30–60 | | Large VMC (BT40/BT50) | Medium | 60–120 | | Heavy-duty lathe (X-axis) | Medium | 80–150 | | Gantry mill (heavy slide) | Low | 120–250 | | High-speed machining center | Very High | 10–40 | fanuc parameter 1860 full

When you adjust Parameter 1860, you are not moving the physical limit dog. You are electronically shifting where the control the grid point is.

On Fanuc controls equipped with or HPCC , Parameter 1860 interacts with look-ahead parameters (1602, 1604, 1717). In AICC mode (G05.1 Q1), the control may automatically override the base 1860 value based on curvature. However, 1860 still sets the maximum physical acceleration limit. Do not set 1860 too high in HSM mode —it will truncate the look-ahead benefits. If you are experiencing vibration or servo alarms

If you are looking for "1860 full" because you are resetting your machine's home after a battery failure, follow this standard procedure: Series 16i-18i -MODEL B - Parameter Manual.pdf - Drivesul

$$ \textDetection Unit = \frac\textScrew Pitch \times \textGear Ratio\textMotor Revs per Pulse \times 1821 $$ On Fanuc controls equipped with or HPCC ,

This appears if you enter a value outside the allowable range for your axis configuration. Check your machine's specific Fanuc manual.