| 摘要 |
<p>The invention provides a process and a machine by which self-portable tiles for the roofs of warehouses, industrial buildings and other structures can be produced on the building site. A machine mounted on the chassis of a truck includes a train of rolls (5) for profiling metal strip, regulation and maintenance systems corresponding to each pair of rolls, an operating system made up of a single chain (16), and means for balancing the profiling machine through central hinges (24) and hydraulic pistons (25), all synchronised to allow the profiling and curving of the self-portable tiles produced. Another feature is a venation device that, conjugated to the profiling machine and locate between the last group of profiling rolls and the first group of bending rolls, and working synchronously with these groups, preferably using the system of movement transmission of the profiling machine, makes a transverse cold venation in the lateral longitudinal sections of the adjusted tile, offering a higher mechanical resistance to the efforts and demands originated by the wind and by the weight of the self-portable.</p> |
