A device (I) for moving a treatment head (JO) and a tray (20) in relation to a plane P., The tray (20) of any shape is inscribed within a rectangle of width A and length 0.8., and includes a first driver (21) suitable for cooperating with a first actuator (22) so as to move the tray (20) in translation within a plane that is parallel to said plane .P. in a movement zone (30) formed from at least two perpendicular edges associated with a reference frame, Q, y, in a direction that is normally parallel to one of said axes or y, the device. (I) The device includes at least: a mobile arm (11) of length R pivotably mounted on one of its ends about an axis £ that is perpendicular to said plane .P., set in motion by a second actuator.

An example laser tool is configured to operate within a wellbore of a hydrocarbon-bearing rock formation. The laser tool includes one or more optical transmission media as part of an optical path originating at a laser generator configured to generate a laser beam having an axis. The laser tool includes an optical element for receiving the laser beam from the one or more optical transmission media and for output to the hydrocarbon-bearing rock formation. The laser tool includes a purging head for removing dust or vapor from a path of the laser beam. The purging head is for discharging two or more purging gas streams. The purging head may include a coaxial flow assembly and a helical flow assembly. A coaxial purging gas stream may flow in a direction parallel to the axis. A helical purging gas stream may flow in a helical pattern around and substantially along the axis.

This is to provide a laser irradiation apparatus which can drive a deflection optical system (33) with a high speed by a small and lightweight structure and can cope with heat generation of the optical system. The laser irradiation apparatus includes a condensing optical system (32) for condensing a laser beam (B) generated by a laser oscillator (10) at a predetermined focal point (FP), a deflection optical system (33) for deflecting the laser beam (B) generated from the condensing optical system (32) with a predetermined deflection angle, and a driving unit (100) for rotationally driving the deflection optical system (33) around a rotation axis provided substantially in parallel to an optical axis of the condensing optical system (32), wherein the driving unit (100) has an air motor (100) which convert an energy possessed by a gas supplied from a gas supplying source (60) to a rotational force.

A welding apparatus that welds a third conductor to a first conductor includes a clamp and a laser irradiation apparatus, the third conductor being adjacent to the first conductor between the first conductor and a second conductor extending in parallel to each other. The clamp is configured to sandwich the first conductor and the third conductor between a first gripper and a second gripper. The laser irradiation apparatus is configured to emit a welding laser towards the third conductor. The first gripper includes a confronting portion facing a contact surface that comes into contact with the first conductor. In a state where the clamp sandwiches the first conductor and the third conductor, the confronting portion and the second gripper are positioned so as to block a reflection laser of the welding laser reflected in a given range of the third conductor.

A welding apparatus that welds a third conductor to a first conductor includes a clamp and a laser irradiation apparatus, the third conductor being adjacent to the first conductor between the first conductor and a second conductor extending in parallel to each other. The clamp is configured to sandwich the first conductor and the third conductor between a first gripper and a second gripper. The laser irradiation apparatus is configured to emit a welding laser towards the third conductor. The first gripper includes a confronting portion facing a contact surface that comes into contact with the first conductor. In a state where the clamp sandwiches the first conductor and the third conductor, the confronting portion and the second gripper are positioned so as to block a reflection laser of the welding laser reflected in a given range of the third conductor.

A method of forming a build in a powder bed includes providing a first diode laser fiber array and a second diode laser fiber array, emitting a plurality of laser beams from selected fibers of the second diode laser fiber array onto the powder bed, corresponding to a pattern of a layer of the build, simultaneously melting powder in the powder bed corresponding to the pattern of the layer of the build, scanning a first diode laser fiber array along an outer boundary of the powder bed and emitting a plurality of laser beams from selected fibers of the first diode laser fiber array and simultaneously melting powder in the powder bed corresponding to the outer boundary of the layer of the build to contour the layer of the build. An apparatus for forming a build in a powder bed including a first diode laser fiber array and a second diode laser fiber array is also disclosed. The first diode laser fiber array configured to contour the layer of the build.

Disclosed are laser bonding apparatuses and methods, The laser bonding apparatus comprises a stage configured to receive a substrate, a laser device that may be disposed on the stage and is configured to irradiate a laser beam onto the substrate, a first rotation support disposed outside of the stage and is configured to drivee the laser device to rotate in an azimuthal angle direction, and a second rotation support configured to support the laser device and configured to drive the laser device to rotate in a polar angle direction intersecting the azimuthal angle direction.

The invention discloses a laser engraving machine, comprising a casing, a processing platform, a laser engraving head, a laser emitter, and a red light projector, the platform is disposed in the casing, and has a lateral moving trajectory and a longitudinal moving trajectory; the longitudinal trajectory is disposed on one side of the platform, the lateral trajectory is spanned thereon; one end of the lateral trajectory is connected with the longitudinal trajectory, the other is engaged with the platform side; the head is disposed on the lateral trajectory and can move along it. The invention has reasonable structure and convenient use. By adding a working panel, the device can process hard and soft material products, meeting more requirements; by changing the external fan to the built-in fan and smoke exhaust chamber, the installation is simple, the exhaust effect is better, while the proportion of damage during transportation is reduced.

The invention discloses a laser engraving machine, comprising a casing, a processing platform, a laser engraving head, a laser emitter, and a red light projector, the platform is disposed in the casing, and has a lateral moving trajectory and a longitudinal moving trajectory; the longitudinal trajectory is disposed on one side of the platform, the lateral trajectory is spanned thereon; one end of the lateral trajectory is connected with the longitudinal trajectory, the other is engaged with the platform side; the head is disposed on the lateral trajectory and can move along it. The invention has reasonable structure and convenient use. By adding a working panel, the device can process hard and soft material products, meeting more requirements; by changing the external fan to the built-in fan and smoke exhaust chamber, the installation is simple, the exhaust effect is better, while the proportion of damage during transportation is reduced.

A laser processing system includes a laser oscillator that forms a fusion zone in a workpiece by irradiating a fusion-scheduled region of a processing target surface of the workpiece with a laser beam, a photometer that measures intensity of light from the fusion zone of the workpiece, and a jig disposed on the processing target surface of the workpiece not to overlap the fusion-scheduled region in order to press the workpiece. The jig has a reflection surface inclined in a manner that the reflection surface is further away from the fusion-scheduled region as the reflection surface is further away from the processing target surface in a normal direction of the processing target surface of the workpiece.