Provides the feedback needed for the control to compensate for load changes, keeping the cutting speed constant. ⚠️ Pro-Tips for Setting
Upon reboot, look at the parameter page and check Parameter 1860 . The CNC will have written a fresh, automatically calculated value into this field, successfully anchoring the absolute encoder coordinates. 🔍 Troubleshooting Parameter 1860 Errors Error Symptom Root Cause Corrective Action Value changes to zero or corrupts after reboot
Backlash is the mechanical "slop" or play in a ballscrew-nut assembly, leading to position errors and surface finish marks when an axis reverses direction. The Two-Stage Backlash Acceleration function is designed to compensate for this. Parameter 1860 serves as the .
In simpler terms, Parameter 1860 tells the CNC control how much electrical angle adjustment is needed to perfectly align the spindle’s actual position with the commanded position. This parameter directly influences the accuracy of operations like: fanuc parameter 1860 work
Power off the CNC machine completely, wait 10 seconds, and turn it back on. 3. Re-enable the Absolute Encoder
It works in tandem with other gear ratio and detector parameters to ensure that if you command 1000 RPM, the machine accurately maintains exactly that speed. 🌟 Why It’s a "Good Feature"
FANUC Parameter 1860 is a versatile data point that serves two distinct primary functions within a CNC system. Understanding which function applies to your specific machine setup is the first step to successful configuration. Provides the feedback needed for the control to
: For this parameter to be active, Parameter 1815 #5 (APC) must be set to 1 (indicating an absolute pulse coder is in use).
In the complex ecosystem of Fanuc CNC systems, Parameter 1860
Parameter 1861 is often the standard orientation shift (static offset), while 1860 is the synchronous error compensation . Changing 1861 without also checking 1860 will not fix rigid tapping issues—only orientation. Always verify both. In simpler terms, Parameter 1860 tells the CNC
In essence, Parameter 1860 is the "memory map" for an axis, ensuring that the physical reality of the machine matches its digital representation within the Fanuc control. step-by-step guide
Setting FANUC parameter 1860 requires a good understanding of the machine's mechanics, feedback devices, and the specific requirements of the application. Here are the general steps:
Instead of physically adjusting the motor or the ballscrew to align these two points, Fanuc uses to electronically offset the reference position. Key Characteristics: