FIELD: clockwork mechanisms.
SUBSTANCE: rotation axis contains metal trunnion (3) at each of its ends. The metal is a non-magnetic copper alloy for limiting the sensitivity of the trunnion to magnetic fields, while at least outer surface (5) of one of these two trunnions (3) is deeply hardened to a predetermined depth relatively to the rest of the axis to strengthen trunnion or trunnions (3).
EFFECT: reducing the sensitivity of the rotation axis of the clockwork mechanism to magnetic fields, as well as ensuring its wear resistance, impact resistance and corrosion resistance.
16 cl, 2 dwg
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