-Shenzhen Guanhong Automation Co.,Ltd.-
SZGH-CNC1000MDb Series
- 188 -
7.9 Screw Compensation
Press “Parameter” key twice to enter screw compensation interface.
Fig7.9.1 Screw compensation interface
Screw compensation is used for automatic compensating the error of screw pitch, which due to
the error of screw pitch to affect accuracy of machine. The system adopts built-in screw
compensation: Take machine’s home position, also datum point as the starting point when
debugging, measured the error curve of screw, studied out the correctional curve according to the
error curve, import the value of correctional curve into the correctional parameter and system is
going to compensate according to the parameter in automatic running.
Screw compensation by the axis as the unit to set storage, set X/Z/C/A/B axis separately, by
pressing “F1” “F2” “F3” “F4” “F5” to switch; Every axis of screw compensation interface has tow
areas(basic parameter and set the compensation), by pressing “→ ←”to move the cursor to realize.
Storage of screw compensation curve is with each axis, set screw compensation of X Y Z A B
axis separately, by pressing “F1” “F2” “F3” “F4” “F5” to switch; Every axis of screw compensation
interface has two areas(basic parameter and set the compensation), which switch is through pressing
“→ ←”to move the cursor .
A) Basic parameter:
Press “↑ ↓” to select current basic parameter to set in basic parameter, press “Enter” to popup a
dialog box to import the error compensation of every axis and import the basic information of screw
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