Support and/or conveying roller for metal

摘要

The invention relates to a support and/or conveying roller for metal casting installations, especially continuous casting installations, with a core into the surface of which is cut a thread that forms a cooling channel and is connected to a corresponding thread in the inner curved surface of a sleeve surrounding the core. The support and/or conveying roll has the following features: a) the outer curved surface (13) of the sleeve (10) has a deposition weld (14), b) the top (23) of the thread of the core (20) is connected in a positionally fixed manner to the root (15) of the thread of the sleeve (10), c) the core (20) has a concentric hole (24), d) bearing pins (30) are provided, these being insertable into the hole (24) of the core (20) with a radial gap (40). <IMAGE>