Interpolation type pitch error compensation function Additional Manual Page 4
Additional Manual
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FANUC Series 16i/18i
Interpolation type pitch error compensation
Specifications
A-76395E
2000.12.21
Egashira
3/3
2. Operation
2. Operation2. Operation
2. Operation
When interpolation type pitch error compensation is used, the following parameters are
assigned the same values as those in stored pitch error compensation.
- Number of the pitch error compensation point of the reference position on each axis (No.3620)
- Number of the most distant pitch error compensation point on the - side of each axis (No.3621)
- Number of the most distant pitch error compensation point on the + side of each axis (No.3622)
- Pitch error compensation magnification for each axis (No.3623)
- Pitch error compensation point interval on each axis (No.3624)
If the feedrate is high, multiple compensation pulses may be output at the same time. The
minimum interval in which multiple compensation pulses are not output at the same time is
determined with the following formula. The compensation point interval must be larger than
the distance calculated with the following formula.
Minimum pitch error compensation point interval = (Fmax/7500)*(Pmax+1)
Fmax : Maximum feedrate
Pmax : Maximum pitch error compensation amount
Example) If the maximum feedrate is 15000 mm/min and the maximum pitch error
compensation amount is equal to seven pulses, the minimum compensation interval is
16mm.
3.
3. 3.
3. Parameter
ParameterParameter
Parameters
ss
s
#7 #6 #5 #4 #3 #2 #1 #0
3605 IIP
[Data type] Bit axis
IIP: Specifies whether to use interpolation type pitch error compensation.
0: Do not use.
1: Use.
NOTE
NOTENOTE
NOTE
When this parameter is set, power must be turned off before
operation is continued.
4. Notes
4. Notes4. Notes
4. Notes
- This function is an option function.
- Stored pitch error compensation option is necessary to use this function.
- This function is available in bi-directional pitch error compensation.
Contents Summary of Interpolation type pitch error compensation function Additional Manual
- Page 1 FANUC Series 16i/18i–MA/TA Interpolation type pitch error compensation function !""#$ %$& ' ()#$" $ * (+, #-.+, #-+ (,/.0!1 $&
- Page 2FANUC Series 16i/18i-TA/MA Interpolation type pitch error compensation Specifications FANUC Series 16i/18i Title Interpolation type pitch error compensation Specifications Draw No. A-76395E Edit Date Design Description 1/3 Sheet Date 2000.12.21 Desig. Desig. Egashira Apprv. Apprv.
- Page 31. Outline In stored pitch error compensation, the pitch error compensation pulse at each pitch error compensation point is output in the interval between that point and the next compensation point, as shown in the figure below. ε1 ε3 ε2 P0: Machine reference position P1 P2 P3 Pitch error compensa
- Page 42. Operation When interpolation type pitch error compensation is used, the following parameters are assigned the same values as those in stored pitch error compensation. - Number of the pitch error compensation point of the reference position on each axis (No.3620) - Number of the most distant pitch