EasyRoute Control Panel is based on Weihong NK105 CNC Integrated Machine OEM http://am.co.za/router/panel
上海维宏电子科技股份有限公司
Weihong Electronic Technology Co., Ltd.
6.4. Backing to Mechanical Origin
Origin of Machine Coordinate System (inherent coordinate system of machine tool), also called
mechanical origin or mechanical zero, is fixed after design, manufacturing and debugging before
machine tool leaving factory. Only after backing to mechanical origin can such operations as enabling
software limit, setting fixed point and changing tool be executed. After startup of control system, it is
necessary to execute the operation of returning to mechanical origin. This system will remind user to
back to mechanical origin after start-up.
If backing to mechanical origin can’t be executed due to origin fault, it is necessary to set the
parameter “Back REF First” as “No”.
6.4.1. Parameter Setup of Backing to Mechanical Origin
Enter menu page before modifying parameters. Parameter of “REF. Point Set” includes “REFP
Speed”, “REFP Dir” and “Retract Dist”.
Press “Menu” key→ select 5. Mfr Param→ select 5. REF. Point Set, and then press [OK] key to
enter the setting interface of backing to mechanical origin, in which press “Up” or “Down” key to select
the corresponding parameter to be modified.
¾ “REFP Speed”: it is the speed of rough positioning during backing to mechanical origin, i.e. the
motion speed of axis towards origin switch during rough positioning. The value of this parameter
should be in accordance with the integral structure of machine tool. And too high speed can
cause missing steps, and damage to machine tool or origin detector switches by axis crash.
¾ “REFP Dir”: it is the direction of rough positioning during backing to mechanical origin, i.e. the
motion direction of axis towards origin switch during rough positioning. This parameter is decided
by motor direction and the installation position of returning to origin switch; at the same time, it is
related with the defined attribute defined by input level and the attribute of backing to origin
detector origin.
¾ “Retract Dist”: this parameter is decided by the machine tool itself. After arriving at the
mechanical origin, the machine tool will move some distance away from the origin to get out of
the signal sensitive zone of origin switch. Its value is recommended as half of screw pitch.
6.4.2. Operation Mode of Backing to Mechanical Origin
After system start-up, press [OK] key to call all the axes to back to mechanical origin in the dialog
box shown in Fig. 6-5.
24
Specialized, Concentrated, Focused
