Beta 1742A Manual do Utilizador descarregar pdf (Página 394)

100

101

Using the Electronic CAM Feature

GFK-1742A Chapter 16 Using the Electronic CAM Feature 16-7

Note

1. The Editor will not display “Circular Cyclic” as an option in the “CAM Type” field unless the

constraint described above is satisfied.

2. For Cyclic CAMs, the master High/Low Position limits in Hardware Configuration must be set

up according to the master rollover points in the CAM profile. The master axis Low Limit

must equal the first master position in the profile. The master High Position Limit must be

equal to the (Last Master Position – 1) in user units. This is because a cyclic profile's first and

last point are the same on the physical device. (for example, 0° and 360° on a circular knife).

3. For a Circular Cyclic CAM, both the master axis and the slave axis rolls over at the profile's

end points. The High and Low position limits for the slave axis are set (in Hardware Config.)

as follows:

•

If the minimum slave position is the profile's first point and the maximum slave position is

the last point, set the Low Position Limit to the first point's slave value and the High

Position limit to the (last point's slave value – 1).

•

If the minimum slave position is the profile's last point and the maximum slave position is

the first point, set the Low Position Limit to the (last point's slave value + 1) and the High

Position Limit to the first point's slave value.

180

360

Master Axis ->

Slave Axis ->

180

360

Figure 16-7. Circular Cyclic CAM

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