Patent ID: 8378250
Filing Date: 2013-02-19
Classification: B23K,B23Q

Abstract:
1. A bevel head attachment for mounting on a carriage of a cutting machine for controlling the tilt angle of a cutting torch relative to a cutting plane, the bevel head attachment comprising: a rotation axis normal to the cutting plane; a cylindrical inner barrel having an axial passage therethrough, the inner barrel being aligned on the rotation axis; a cylindrical outer barrel coaxially arranged about the inner barrel and rotatable relative to the inner barrel about the rotation axis; a bevel arm rotatable relative to the inner and outer barrels about the rotation axis; a tilt arm carried by the bevel arm, the tilt arm being mounted on the bevel arm for rotation about a tilt axis forming an acute angle with the rotation axis, the tilt arm including a torch clamp for receiving and holding a cutting torch; a rotation drive motor connected to the bevel arm, the rotation drive motor being operable to rotate the bevel arm about the rotation axis; and a tilt drive motor connected to the tilt arm by way of the outer barrel, the tilt drive motor being operable to rotate the tilt arm about the tilt axis.