diff --git a/rhino/elemente.py b/rhino/elemente.py
index a2b1137..8b3ff78 100644
--- a/rhino/elemente.py
+++ b/rhino/elemente.py
@@ -12298,6 +12298,10 @@ class ElementeBridge(panel_base.BaseBridge):
                 _g = axis_obj.Geometry
                 cur_axis_L = float(_g.GetLength()) if isinstance(_g, rg.Curve) else 0.0
             except Exception: cur_axis_L = 0.0
+            # Lock disable: Targets clearen damit Reaktivierung frisch faengt
+            if "lockS" in p and not bool(p.get("lockS")):
+                ttarget_s = 0.0
+                ttarget_a = 0.0
             if "lockS" in p and bool(p.get("lockS")) and old_target_s <= 1e-6:
                 gs_now = _geschoss_by_id(doc, gstart)
                 uk_now = float(gs_now.get("okff", 0.0)) if gs_now else 0.0
@@ -12409,6 +12413,11 @@ class ElementeBridge(panel_base.BaseBridge):
                                                 if abs(cur_arc - new_total_L) > 1e-4:
                                                     sign = 1.0 if delta_cur > 0 else -1.0
                                                     new_delta = sign * (new_total_L / r_mid)
+                                                    # Clamp: max 1 Umdrehung (2π)
+                                                    _max = 2 * _m.pi - 0.05
+                                                    if abs(new_delta) > _max:
+                                                        new_delta = sign * _max
+                                                        print("[ELEMENTE] Wendel-Lock: Sweep auf 2π geclamped")
                                                     a_end_new = a_start_cur + new_delta
                                                     pend_n = rg.Point3d(
                                                         center.X + r_click * _m.cos(a_end_new),