Large work envelope
Very low hours
The interface between the user and the CNC control system is handled through the Siemens Sinumeric 840D Control System’s control panel. The interface consists of a display, a CNC keyboard (QWERTY) and a machine control panel, (see figure 3). The machine can also be controlled away from the control panel using a remote control unit called the Hand Program Unit (HPU). This unit features the same controls as those on the main control panel.
Figure 3.Siemens Sinumeric 840D Control System control panel.
The Siemens 840D control unit may differ slightly from that shown in figure 3, but the functions remain the same.
The Working Coordinate System (WCS) is the coordinate system that has been set up to identify a certain component, such as a tool changer or the work-piece, within the working environment of the Tricept.
A WCS has to be framed in reference to the MCS. It has an origin specific to that component and the orientation of the WCS may be different from that of the MCS. Figure 4 shows an example MCS and WCS.
Figure 4. The MCS of the Tricept and the WCS of the tool changer.
The Tricept produces wide and practical working envelope, which is easily utilized within many different applications due to the flexibility of the orientation of the module.
The working envelope is the area within which the Tricept is able to work. When planning a work-piece set up, it is important to consider things such as spindle orientation and tool length, as this has major implications on the resulting working envelope, as the following figures illustrate.
Figure 5. The working envelope of a Tricept 805 without spindle, see from above.
Figure 6. The working envelope of a Tricept 805 without spindle, see from the front.
Adding a spindle alters the overall working envelope, as shown in figure 7 and 8.
Figure 7. The working envelope of a Tricept 805 without spindle, see from the side.
Figure 8. The working envelope of a Tricept 805 without spindle, see from the side.
Changing the orientation of the spindle alters the overall working envelope of the spindle, as shown in Figure 9 and 10.
Figure 9. The working envelope where the spindle only has a vertical orientation.
Figure 10. The working envelope where the spindle has a varied orientation, only pointing directly towards the work-piece.
Angling the Tricept, such as in a 45° MES, affects the working
envelope, as shown in Figure 11 and 12.
Figure 11. The working envelope where the Tricept has a vertical position
Figure 12. The working envelope where the Tricept has a 45° position.
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