Abstract

A laser metal deposition device comprising: a wire nozzle for delivering a wire to be deposited on a substrate, a laser source for delivering a laser beam configured to melt the wire, a multi-axes force sensor configured to determine the force between the wire and the substrate, and a controller adapted to control, based on the measured forces by the force sensor, at least one of: output power of the laser source, current supplied to the wire, rate of relative movement of the wire nozzle and laser beam with respect to the substrate, or displacement of the wire and/or wire nozzle with respect to the laser beam in at least one axis.

IPC Classes  ?

• B23K 26/21 - Bonding by welding
• B23K 26/08 - Devices involving relative movement between laser beam and workpiece
• B23K 26/14 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beamNozzles therefor
• B23K 26/70 - Auxiliary operations or equipment
• B23K 101/32 - Wires

Abstract

A laser metal deposition device comprising: a wire nozzle for delivering a wire to be deposited on a substrate, a laser source for delivering a laser beam configured to melt the wire, a multi-axes force sensor configured to determine the force between the wire and the substrate, and a controller adapted to control, based on the measured forces by the force sensor, at least one of: output power of the laser source, current supplied to the wire, rate of relative movement of the wire nozzle and laser beam with respect to the substrate, or displacement of the wire and/or wire nozzle with respect to the laser beam in at least one axis.

IPC Classes  ?

• B23K 26/08 - Devices involving relative movement between laser beam and workpiece
• B23K 26/14 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beamNozzles therefor
• B23K 26/342 - Build-up welding

Abstract

A control system for regulating an additive manufacturing process of an additive manufacturing apparatus, the apparatus configured to add metal to a substrate by means of metal deposition. The apparatus comprises: a nozzle for output of a metal strip, the nozzle configured to be arranged at a distance from the substrate, and configured to move relative the substrate in XYZ-axes via a position actuator. The apparatus further comprises a heat source configured to melt the metal strip into a weld pool on the substrate, and an electrical power source configured to supply current via the metal strip 20 to the substrate. The control system is configured maintain process stability, during the deposition of a layer of metal, via: determining electrical conductance between the metal strip and the substrate by measuring at least one electrical property of the supplied current; determining the difference between the determined electrical conductance, and a desired electrical conductance; and, adjusting at least one of: the substrate to nozzle distance, the speed of the nozzle movement relative the substrate, the amount of supplied current, the heat provided by the heat source, and/or the rate of output of the metal strip, based on the difference between the determined conductance and the desired conductance.

IPC Classes  ?

• B23K 26/342 - Build-up welding
• B23K 15/00 - Electron-beam welding or cutting
• B23K 11/00 - Resistance weldingSevering by resistance heating
• B23K 10/02 - Plasma welding
• B23K 9/12 - Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
• B23K 9/04 - Welding for other purposes than joining, e.g. built-up welding
• B23K 5/18 - Gas flame welding for purposes other than joining parts, e.g. built-up welding

Abstract

A control system for regulating an additive manufacturing process of an additive manufacturing apparatus, the apparatus configured to add metal to a substrate by means of metal deposition. The apparatus comprises: a nozzle for output of a metal strip, the nozzle configured to be arranged at a distance from the substrate, and configured to move relative the substrate in XYZ-axes via a position actuator. The apparatus further comprises a heat source configured to melt the metal strip into a weld pool on the substrate, and an electrical power source configured to supply current via the metal strip 20 to the substrate. The control system is configured maintain process stability, during the deposition of a layer of metal, via: determining electrical conductance between the metal strip and the substrate by measuring at least one electrical property of the supplied current; determining the difference between the determined electrical conductance, and a desired electrical conductance; and, adjusting at least one of: the substrate to nozzle distance, the speed of the nozzle movement relative the substrate, the amount of supplied current, the heat provided by the heat source, and/or the rate of output of the metal strip, based on the difference between the determined conductance and the desired conductance.

IPC Classes  ?

• B23K 9/04 - Welding for other purposes than joining, e.g. built-up welding
• B23K 9/12 - Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
• B23K 10/02 - Plasma welding
• B23K 26/342 - Build-up welding

Abstract

A control system for regulating an additive manufacturing process of an additive manufacturing apparatus, the apparatus configured to add metal to a substrate by means of metal deposition. The apparatus comprises: a nozzle for output of a metal strip, the nozzle configured to be arranged at a distance from the substrate, and configured to move relative the substrate in XYZ-axes via a position actuator. The apparatus further comprises a heat source configured to melt the metal strip into a weld pool on the substrate, and an electrical power source configured to supply current via the metal strip 20 to the substrate. The control system is configured maintain process stability, during the deposition of a layer of metal, via: determining electrical conductance between the metal strip and the substrate by measuring at least one electrical property of the supplied current; determining the difference between the determined electrical conductance, and a desired electrical conductance; and, adjusting at least one of: the substrate to nozzle distance, the speed of the nozzle movement relative the substrate, the amount of supplied current, the heat provided by the heat source, and/or the rate of output of the metal strip, based on the difference between the determined conductance and the desired conductance.

IPC Classes  ?

• B23K 9/04 - Welding for other purposes than joining, e.g. built-up welding
• B23K 9/12 - Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
• B23K 26/342 - Build-up welding
• B23K 10/02 - Plasma welding