Abstract: A housing for a laser processing machine is described comprising a dividing wall, which separates a first work space and a second work space, and a covering device, which is configured to selectively cover at least one between the first work space and the second work space. The covering device comprises at least a cover, which is controllable in an active configuration, in which the cover is configured to cover one between the first work space and the second work space and a guide system, which is configured to guide the cover so that the cover, when it is in the active configuration, comprises at least a main portion and an auxiliary portion extending from the main portion and being inclined relative to the main portion.

Abstract: A housing for a laser processing machine is described to treat work pieces. The housing comprises a dividing wall, which separates a first work space having a first length and a second work space having a second length from one another, a first entrance to allow access to the first work space, a second entrance to allow access to the second work space, a closing device, which is configured to selectively open and close the first entrance and the second entrance and a control unit, which is operatively connected to the closing device. The dividing wall is placeable in an operating position, which is variable among at least a first position, a second position and a third position. The control unit is configured to control the closing device as a function of the operating position of the dividing wall.

Abstract: Laser cutting processes are provided which are controlled using as a reference signal one or more emission lines which are characteristic of the radiation emitted by a gas or, more generally, by an emitting element present in the volume irradiated by the laser beam focussed by a laser head and adjusting, on the basis of this reference signal, at least one of the following process control parameters: the power of the laser, the frequency and the duty cycle of the laser pulse, the pressure of an assisting gas emitted by a nozzle forming part of the laser head, the relative speed of the laser head with respect to the workpiece, the distance between the laser head and the surface of the workpiece, and the distance between the focal point of the laser beam and the surface of the workpiece. Laser cutting devices are also provided.

Abstract: A method for manufacturing lead grids for battery electrodes includes providing a lead strip at a cutting and ablation station, cutting the lead strip by at least one laser beam that cuts and reduces the thickness of the lead strip to form a lead grid, and supporting the lead strip, at least at the cutting and ablation station, without interfering with the laser beam. The lead strip may be supported in a limited number of discrete positions which are as little as possible coincident with the cutting positions of the laser beam. Alternatively, the lead strip is supported by means transparent to the wavelength of the laser. The laser beam is focused and moved by a generally remote scanning and/or proximity head, preferably mounted on a motion system which controls its position according to a selected cutting path and controls the focal position. The process allows continuous control of the path and/or parameters of cutting and/or ablation by means of software.

Abstract: Laser cutting processes are provided which are controlled using as a reference signal one or more emission lines which are characteristic of the radiation emitted by a gas or, more generally, by an emitting element present in the volume irradiated by the laser beam focussed by a laser head and adjusting, on the basis of this reference signal, at least one of the following process control parameters: the power of the laser, the frequency and the duty cycle of the laser pulse, the pressure of an assisting gas emitted by a nozzle forming part of the laser head, the relative speed of the laser head with respect to the workpiece, the distance between the laser head and the surface of the workpiece, and the distance between the focal point of the laser beam and the surface of the workpiece. Laser cutting devices are also provided.

Abstract: Description of a manoeuvre equipment for rods (20) used in drilling plants, operating between an equipment for rod stowage (22, 23), where lines of rods are stowed vertically, and a service well (24) from which each single rod (20) can be taken out, and in which each single rod can be placed in, by means of a mobile motive head of the drilling head of the plant. The manoeuvre equipment includes a column (1). rotating on its vertical axis (a); the column supports, rotating rigid with it: pliers (7) to lock a single rod (20); one saddle (6) to translate the pliers (7) according to a vertical axis parallel to the (a) axis; one horizontal arm, sliding inside the saddle (6), that translates the pliers (7) according to a horizontal axis perpendicular to the (a) axis; means (9, 10, 21) to adjust the verticality of the rod (20) locked by the pliers (7).