3 Product description (continued)
19 of 206
BA KR 6, 16 F, KR C4 12.10.07 en
3.5 Rotating column
The rotating column (Fig. 9/2) is the assembly located between the link arm and the base
frame. Screwed to the base frame (4) through a gear unit (3), which allows it to rotate, it per-
forms movements about rotational axis A1 (1). It has an effective software turning range of
185° in both the (+) and (--) directions, measured from the mechanical zero position of
axis (6).
This range is limited by mechanical limit stops with a buffer function in addition to the software
limit switches. This limit stop system operates with a trailing stop acting on both sides, which
is installed in the base frame and mechanically limits the large turning range of 185˚ in both
directions.
6
5
--185°
+185°
2
3
4
1
1 Rotational axis A1
2 Rotating column
3 Gear unit A1
4Baseframe
5 Main axis motor unit A2
6 Zero position A1
Fig. 9 Rotating column with turning range
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