| 摘要 |
A portable device for metal working comprises two bearing assemblies for mounting on a workpiece, a bar located on the assemblies, a tool holder mounted on the bar. The drive for rotating bar and reciprocating movement mechanism of the bar has a traction unit and a clamping element mounted with possibility of rotation and rigidly connected to the traction unit. The bar is located in the clamping element. The traction unit comprises a lead screw, a lead nut and a drive for rotation of the lead nut, said lead screw is located in the lead nut and the drive for rotation of the lead nut is connected to the drive of rotation of bar and lead nut. |
