Abstract: Welding power supplies, wire feeders, and systems to measure a weld circuit resistance via communications over the weld circuit are disclosed. An example welding-type power supply includes: a power conversion circuitry configured to: convert input power to output a signal via a weld circuit; and convert the input power to output welding-type power via the weld circuit; a voltage monitor configured to measure a power supply output voltage of the signal; communications circuitry configured to receive, via the weld circuit, a communication of a second voltage measurement; and control circuitry configured to: determine a resistance and/or and inductance of a portion of the weld circuit based on the power supply output voltage measurement, the second voltage measurement, and a weld circuit current.

Abstract: An apparatus of a setting welding device for an auxiliary joining part with a head and a shaft, includes a linear drive fastenable at the setting device and including an element nest at a movable end, in which an auxiliary joining part is releasably receivable from a transfer unit. The element nest is movable by the linear drive in a first direction. The element nest is supported in a floating manner, and is positionable via a mechanical stop alignment in abutment with an electrode punch in the joining direction below the electrode punch. And/or the element nest is connected with the linear drive via a mechanical direction-changing coupling component so that the element nest is movable by the linear drive in a second direction so that the auxiliary joining part is positionable at the joining location, wherein the second direction is not parallel to the first direction.

Abstract: A clamping apparatus for clamping shaped parts which are welded along a welding contour by irradiation with a laser beam, includes a first clamping plate used as a holder for a first shaped part, a second clamping plate which is designed to apply a clamping force to the first shaped part and a second shaped part arranged thereon, an outer clamping jaw including a recess and an inner clamping jaw arranged in the recess, which together form the second clamping plate, a passage gap for the laser beam formed in sections between the outer clamping jaw and the inner clamping jaw, and one or more fastening elements which connect the outer clamping jaw with the inner clamping jaw in sections and which bridge the passage gap; and further includes a mirror element arranged such that the laser beam is reflected onto a section of the welding contour.

Abstract: An induction heating type cooktop include a case, a cover plate connected to an upper end of the case, the cover plate having an upper surface configured to support thereon an object to be heated, a thin layer disposed at the cover plate, a heat insulator disposed vertically below the thin layer, a working coil disposed inside the case, a cooling fan configured to blow air toward the working coil, and a bracket that defines a cooling passage. The cooling passage is configured to guide the air to pass through the working coil and to discharge the air to an outside of the bracket.

Abstract: A laser scanning welding method for lap joints based on linear energy density regulation includes the following steps 1 to 5. Step 1: welding surfaces of two metal plates of a same material are wiped with anhydrous ethanol; step 2: the two metal plates of a same material are placed in an overlapping manner on a welding operation platform; step 3: a position of a welding focus plane is adjusted; step 4: process parameters of laser scanning welding are set; step 5: parameters of a circular scanning power regulation strategy is calculated and power correction values for the lower plate is set; and step 6: lap welding of the two metal plates of the same material is completed by processing according to the circular scanning power regulation strategy and the power correction values.

Abstract: An induction heating apparatus is configured to determine a third driving frequency corresponding to a third required power value when the required power value of the first working coil or the second working coil is changed to the third required power value, to calculate a difference value between the driving frequency of the working coil (the required power value of which is not changed) and the third driving frequency, to change an operation mode or a power control mode of the first inverter circuit or the second inverter circuit when the difference value is included in a predetermined first reference range, and to change an output power value of the working coil (the required power value of which is changed) to the third required power value.

Abstract: Welding wire preheating systems and methods are disclosed. An example welding method includes: receiving a signal indicative of initiation of welding process; prior to initiating a welding arc based on the received signal, controlling voltage or current applied to a welding electrode to preheat the electrode to a temperature above an ambient temperature but below a melting point of the welding electrode; monitoring feedback voltage to determine a termination of preheating; and terminating preheating prior to initiating the welding arc in accordance with a welding protocol.

Abstract: Methods of determining at least one parameter of an irradiation device of an apparatus for additively manufacturing three-dimensional objects may include generating an energy beam and guiding the energy beam across a structured test surface, generating a signal by detecting radiation that is emitted from the test surface, and determining the at least one parameter based on a frequency spectrum of the signal.

Abstract: A modular smoker includes a base portion having a through bore extending from a first end of the base portion to a second end of the base portion, wherein the through bore is configured to define a shelf between the first end and the second end, a top portion configured to be removably coupled with the base portion, wherein the top portion has a through bore extending from a first end of the top portion to an opposite second end of the top portion in a first direction, and a screen configured to be held on the shelf of the through bore between the first end and the second end of the base portion.

Abstract: An ice protection system for an aircraft component includes a plurality of heaters. The aircraft component has at least two section and a junction area. At least one of the heaters is an H-shape carbon allotrope heater designed to apply heat to the junction area and prevent ice accumulation in the junction area.

Abstract: Methods and apparatus to synergically control a welding-type output during a welding-type operation are disclosed. An example welding-type power supply includes a power conversion circuit configured to convert input power to welding-type power and to output the welding-type power to a welding-type torch; a communication circuit configured to receive a control signal from a remote control device during a welding-type operation; and a control circuit configured to synergically control a voltage of the welding-type power and a wire feed speed based on the control signal.

Abstract: Disclosed is an induction range having an automatic double side roasting function. The induction range includes a body having an internal space in which a heating coil portion configured to perform induction heating and a rotating rod configured to provide torque of a motor are formed, an induction-exclusive container which is inserted into and mounted in the body to be tilted from the ground at a first angle and is continuously or intermittently rotatable inside the body by the rotating rod and in which an object to be cooked which is accommodated therein is cooked by induction heat transferred from a side surface of the induction-exclusive container, and a control portion including a recipe memory portion configured to store a plurality of preset recipe modes, a heating coil operation portion configured to control an operation of the heating coil portion, and a motor driving portion configured to control the motor.

Abstract: The invention relates to a cabin air inlet module (16). The cabin air inlet module (16) comprises a streaming channel body (8). The streaming channel body (8) comprises at least one wall which limits a streaming channel wherein incoming air (5) is supplied to a zone (2) of a cabin (3). The cabin air inlet module (16) comprises an electric heating element (9) which is used for heating the incoming air (5). According to the invention it is proposed that the electric heating element (9) is embodied as a two-dimensional heating element (in particular as a heating paper, a heating web, a heating foil or a heating varnish). The two-dimensional heating element extends along a wall of the streaming channel body (8). The inventive cabin air inlet module (16) is arranged upstream with a small distance (25) from an inlet opening (6) into the zone (2) of the cabin (3). The inventive cabin air inlet module (16) is used for a tempering zones (2) of a cabin (3) of an airplane according to the needs.

Abstract: The invention relates to a coating device and to a method for metal-coating of workpieces, comprising a housing, which surrounds a working space, a retaining apparatus for retaining at least one workpiece in the working space, at least one deposition apparatus comprising a deposition nozzle for applying a metal powder to a workpiece surface to be coated, and a laser for locally melting the metal powder on the workpiece surface to form a coating, at least one movement apparatus, by means of which the at least one deposition apparatus can be moved relative to the workpiece surface during the coating, at least one air supply and at least one air discharge. According to the invention, it is provided that the air supply is arranged in an upper region of the working space above the workpiece and the air discharge is arranged in a lower region of the working space below the workpiece. In addition, a additional suction apparatus is provided with at least one suction opening, which is arranged close to the workpiece.

Abstract: An induction cooking apparatus including a coil beam assembly, an inverter assembly, and a heatsink. The coil beam assembly includes one or more induction coils. The inverter assembly includes a first circuit board that is electrically connected to the induction coil(s) such that the inverter assembly is configured to supply electricity to the induction coil(s). The heatsink has a beam-like structure and is attached to both the coil beam assembly and the inverter assembly. The heatsink is positioned above the inverter assembly and below the coil beam assembly such that the heatsink is the sole support structure for the inverter assembly. A method for assembling the induction cooking apparatus is also described.

Abstract: A drilling device with a controllable femtosecond laser processing taper includes a femtosecond laser and a precision motion table. A support mechanism is provided along the central axis of the precision motion table, and a clamp is provided on the top of the support mechanism. The output end of the femtosecond laser is provided with a beam expander. The output end of the beam expander is provided with a reflection mirror. The output end of the reflection mirror is provided with a beam scanning module. The output end of the beam scanning module is provided with a semi-focusing mirror. The output end of the semi-focusing mirror is provided with a semi-transmissive reflection mirror arranged at 45 degrees. The reflection output end of the semi-transmissive reflection mirror is provided with a high-precision three-dimensional on-line monitoring module, and the transmission output end of the semi-transmissive reflection mirror faces the clamp.

Abstract: Apparatus for carrying a plurality of food service plates that each carry food thereon which includes an elongated body having a geometric axis and first and second axial extremities; a plurality of slots dimensioned and configured for engaging peripheral parts of respective plates at axially spaced intervals of the body in mutually parallel oblique relationship with respect to the geometric axis; and a handle disposed at one axial extremity and a nose at a second axial extremity.

Abstract: A laser processing apparatus 3 includes: a laser head H; a conveying device 4 that conveys a workpiece W; a head driving mechanism that moves the laser head H; a dust collecting box 60 that moves below the workpiece W and follows the laser head H such that the dust collecting box 60 is disposed below the laser head H; an outer support roller 81 and an inner support roller 82 that are provided at an opening 61 of the dust collecting boz 60 and are rotatable around an axis parallel to a width direction orthogonal to a conveying direction Fy; and a counter roller 9 that rotates the outer support roller 81 in synchronization with a conveying operation of the workpiece W by the conveying device 4. The counter roller 9 transmits motive power of the conveying device 4 as a belt conveyor to the outer support roller 81.

Abstract: A cap dispenser for a welding gun includes a sleeve that slidably receives a drawer that is configured to house a column of weld caps. The cap dispenser also includes a spring that cooperates with a slide block that is arranged in the drawer. The spring urges the slide block toward an aperture in the drawer that is configured to receive a welding gun electrode.

Abstract: The present disclosure provides a hand-held electric barbecue device, including a handle, where the handle is internally provided with a driving system and a linkage mechanism, the linkage mechanism is in driving connection to an output end of the driving system and is detachably connected to a barbecue fork, and the barbecue fork is in driving connection to the driving system through the linkage mechanism. The barbecue fork is detachably connected to an interior of the handle through the linkage mechanism, which facilities the change of different forks to meet different barbecue requirements.