Threading machine, cutter, grinder for small diameter tubes, essentially characterized by the fact that with a single motor it is possible to carry out several operations, as it is provided on the back of a grinding wheel with its corresponding defense; the other end of the shaft is engaged in a gearbox from which two tools come out; one on its left side, consisting of a head with its hollow shaft, thus allowing the passage of the piece to be machined, this head or box of combs is provided with an index rule mounted so that it can slide peripherally to the length of the shaft, and depending on the position it is in, it will determine the different diameters to be screwed; to carry out the cutting operation, there is a disk saw, whose shaft is housed in a support; this support is eccentrically fixed to a rotating disc, allowing the saw to move besides continuing to engage said axis to the gearbox; to achieve this displacement, a bar is screwed into the aforementioned disc through which the operator exerts his effort; the piece to be machined is fixed in jaws that can slide on two cylindrical guides, the jaws being aligned with the comb box, to move said jaws a lever is available to position it at the desired distance; the gearbox has a drive in its upper part, through which the movement is transmitted to the saw or the comb box; all these mechanisms are housed in a rack in the form of a tray to be able to collect the taladrina. (Machine-translation by Google Translate, not legally binding)
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