Through the present invention, the load of a torch (16) applied to a welding workpiece (W) in a touch start method is reduced, and stability is significantly enhanced. A welding head (10) has a rigid straight-advancing movable part (12), an elevator drive tower (14) for moving the straight-advancing movable part (12) straight forward in the vertical direction, and a torch (16) mounted on the straight-advancing movable part (12) so as to be able to move in the vertical direction. One end part of a balance arm (28) rotatably attached to a multi-purpose support part (22) of the straight-advancing movable part (12) is connected to a torch body (30), and a balance weight (98) is attached to the other end part of the balance arm (28).
This current detection coil (toroidal coil) 10 is provided with: a belt-shaped core part 30 having a uniform thickness or cross-sectional area; and a coil part 32 mounted on the core part 30. A winding portion of the coil part 32 is divided into: a first end section winding portion 32a formed by winding a coil conductor CW at a constant pitch on an end section 30a of one side (the left side in the drawing) of the core part 30; a second end section winding portion 32c formed by winding the coil conductor CW at a constant pitch on an end section of the other side (the right side in the drawing) of the core part 30; and an intermediate section winding portion 32b formed by winding the coil conductor CW at a constant pitch on an intermediate section 30b sandwiched between both the end sections 30a, 30c of the core part 30.
G01R 15/18 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort utilisant des dispositifs inductifs, p. ex. des transformateurs
In this control method, an initial energization is begun with a touch start method and an initial current Io for initial energization is supplied to a circuit while a torch electrode is in contact with the material to be welded, after which the timing (t2) at which the torch electrode is separated from the material being welded while a linear movement unit is moved upward is assumed to be the arc welding start timing, and the current is switched from the initial current Io to a primary current IM for main energization immediately after or simultaneous with the detection of the separation timing.
This laser processing monitoring device is a monitoring device of a laser processing machine which performs desired laser processing by radiating a laser beam LB onto a given metal workpiece W and melting the workpiece W by means of laser energy, wherein the laser processing monitoring device comprises: a laser oscillator 10; a laser power source 12; a control unit 14; a guide light generating unit 15; transmission optical fibers 16, 17; a head 18 (emitting unit 24, sensor unit 26); an operating panel 20; and a monitoring unit 25. The monitoring unit 25 is a laser monitoring device in a mode of embodiment of the present invention, and is configured to include mainly the control unit 14, the operating panel 20, a sensor signal processing unit 22 and the sensor unit 26, for example.
The light-concentration density or laser power of a combined laser beam bundle, obtained by combining individual laser beams that are caused to oscillate by and are output from a plurality of single-emitter LDs, is increased efficiently, with high quality. On a bottom plate or a unit base 22 of the laser unit 10, there are disposed: a pair of stacked laser beam creation units 24L, 24R which are arranged with left-right symmetry with respect to a center line N; a single wavelength stabilizing element (VBG) 26 of which an incidence plane vertically intersects the center line N; a pair of primary anamorphic prisms 28L, 28R which are arranged separately on the right and left of the center line N; a mirror-type beam rotation element 30 disposed on the center line N; and a secondary anamorphic prism 32 disposed offset from the beam rotation element 30 in a direction (X-direction) perpendicular to the center line N.
This laser device is of a "V" or "7" shaped folded arrangement type comprising: a pair of terminal mirrors 10, 12; a laser medium 14; a Q-switch 16; an aperture unit 18; a non-linear optical crystal 20; a harmonic separation mirror 22; and an intermediate mirror 24. An excitation unit 30 is provided with: a fiber-coupling type optical fiber 32; an exit unit 34 which guides excited LD light extracted from the optical fiber 32 to end faces on both side of the laser medium 14; a beam splitter 38; and first and second half-excitation optical units 40, 42.
H01S 3/09 - Procédés ou appareils pour l'excitation, p. ex. pompage
G02F 1/37 - Optique non linéaire pour la génération de l'harmonique deux
H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
H01S 3/106 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité
H01S 3/109 - Multiplication de la fréquence, p. ex. génération d'harmoniques
A welding head 10 wherein a torch body 30 is attached to a linearly movable part via a torch connection part 18. The torch connection part 18 comprises a compression coil spring 104, an extension coil spring 106, and a lock part 108 that extend between the ceiling of a case 100 and a rigid connection rod 102 that is fixed to the torch body 30 and extends in the X direction.
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
This surface light-emitting laser 10 has: a VCSEL element 26 having a semiconductor substrate 32 as a substrate material; and an output mirror 28 and a band narrowing element 29 that are disposed above the VCSEL element 26 so as to be spaced apart from a light-emitting surface 24 of the VCSEL element 26. During a laser oscillation operation, a part of light SB inductively emitted from an active region 38a of the VCSEL element 26 is taken out as a single laser beam LB to the outside after being subjected to resonance-amplification through repeated reflections between a multilayer reflection mirror 34 inside the VCSEL element 26 and the band narrowing element 29 or the output mirror 28 outside the VCSEL element 26.
G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques
H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]
Through the present invention, the load of a torch (16) applied to a welding workpiece (W) in a touch start method is reduced, and stability is significantly enhanced. A welding head (10) has a rigid straight-advancing movable part (12), an elevator drive tower (14) for moving the straight-advancing movable part (12) straight forward in the vertical direction, and a torch (16) mounted on the straight-advancing movable part (12) so as to be able to move in the vertical direction. One end part of a balance arm (28) rotatably attached to a multi-purpose support part (22) of the straight-advancing movable part (12) is connected to a torch body (30), and a balance weight (98) is attached to the other end part of the balance arm (28).
The light-concentration density or laser power of a combined laser beam bundle, obtained by combining individual laser beams that are caused to oscillate by and are output from a plurality of single-emitter LDs, is increased efficiently, with high quality. On a bottom plate or a unit base 22 of the laser unit 10, there are disposed: a pair of stacked laser beam creation units 24L, 24R which are arranged with left-right symmetry with respect to a center line N; a single wavelength stabilizing element (VBG) 26 of which an incidence plane vertically intersects the center line N; a pair of primary anamorphic prisms 28L, 28R which are arranged separately on the right and left of the center line N; a mirror-type beam rotation element 30 disposed on the center line N; and a secondary anamorphic prism 32 disposed offset from the beam rotation element 30 in a direction (X-direction) perpendicular to the center line N.
This resistance welding monitoring device (32) is provided with: primary and secondary current sensors (34, 36); a primary current measuring circuit (38); a waveform restoration circuit (40); a secondary current measuring circuit (42); and a main arithmetic processing unit (44). During resistance welding of a workpiece (W) using a resistance welding machine (10), a secondary current measurement value (MI2) is output and displayed as a welding current measurement value (MIW) on the screen of a display unit (48), said secondary current measurement value being obtained by converting, with the turn ratio of a transformer, a primary current measurement value (MI1) obtained by the primary current measuring unit (34, 38), which does not include an integration circuit (arithmetic amplifier). Separately from full-scale current application for resistance welding, the resistance welding monitoring device is also operated during test current application for obtaining the turn ratio of the welding transformer (16) and carries out the necessary signal processing and arithmetic processing for obtaining the turn ratio of the welding transformer (16).
A joining device of the invention of the present application has: a unit-form device body (10) including a direct current-type power supply circuit, a control circuit, a variety of drive circuits, etc., therein; a joining head (12) for carrying out brazing and soldering using an arc on a material to be joined (parent material) on an electric component supporter (S) under the supply and control of power from the device body (10); and a filler metal-advancing device (24). A filler metal supply amount measuring unit (110) for measuring, using an encoder, the amount of a filler metal (M) supplied to the supply destination with a single joining operation is employed in the filler metal-advancing device (24), whereby two metal members are joined together with a stable finish at constant power consumption in a high yield without any thermal influence on the periphery in spite of the use of the arc.
A laser processing method including: a groove-machining step in which laser light (L1, L2) for groove machining is irradiated on a workpiece (W) and a groove (38) having a prescribed depth is formed; and a trim-machining step in which laser light (L3) for trim machining is irradiated on a burr (34) generated in the periphery of an opening section of the groove (38) on the outer surface of the workpiece (W) during the groove-machining step and the burr (34) is machined. The amount of energy per unit area of the trim-machining laser light (L3) irradiated on the burr (34) is less than the amount of energy per unit area of groove-machining laser light (L1, L2) irradiated on the workpiece (W).
This TIG welding device has: a unit-type device main body (10) having a DC-type welding power supply circuit, a control circuit, and a variety of drive circuits, etc., housed therein; and a welding head (12) that performs TIG welding using a touch-start method, on a section to be welded in a base material upon an electrical component supporting body (S) under the supply and control of force from this device main body (10). In the welding head (12), a linear drive member (34) is joined via a raising/lowering support shaft (32) to a raising/lowering drive unit for a raising/lowering tower (30). A torch (22) and a clamp electrode (24) are vertically attached to this linear drive member (34) so as to be integrally movable and to be separable. As a result, high quality arc welding whereby two members (base materials) are held by a clamp and welded can stably and reliably occur.
09 - Appareils et instruments scientifiques et électriques
10 - Appareils et instruments médicaux
Produits et services
Resistance welding machines and apparatus; laser welding machines and apparatus; electric arc welding machines; metal cutting machines; electric welding apparatus; metalworking machine tools; chemical processing machines and apparatus; non-electric prime movers and apparatus (not for land vehicles); machine elements (not for land vehicles); laser marking machines; metal forming machines and apparatus; gas welding machines; electric welding machines; fishing machines and instruments, namely, net hauling machines, trawl winches and line haulers; agricultural machines and implements; parts and fittings for the aforesaid goods. Measuring or testing machines and instruments; electric or magnetic meters and testers; electronic machines, apparatus and their parts; laboratory apparatus and instruments; optical apparatus and instruments; pressure gauges (manometers); precision measuring machines and instruments; automatic temperature control machines and instruments; automatic calorie control machines and instruments; automatic pressure control machines and instruments; telecommunication machines and apparatus; power distribution or control machines and apparatus; electric wires and cables; transmission machines and apparatus (for telecommunication); parts and accessories for telecommunication machines and apparatus; laser marking apparatus; parts and fittings for all the aforesaid goods. Medical/clinical diagnostic apparatus and instruments; ultrasonic diagnostic apparatus for dental use; ultrasonic diagnostic apparatus for medical use; ultrasonic diagnostic apparatus for surgical use; ultrasonic diagnostic apparatus for therapeutic services; ultrasonic diagnostic apparatus for veterinary use; surgical apparatus and instruments; therapeutic apparatus and instruments; dental machines and instruments; veterinary apparatus and instruments; auxiliary medical devices and orthodontic apparatus; medical machines and apparatus; hospital supportive equipment namely dissecting tables; wheeled stretchers for patient transport; instrument stands (for hospital use); instrument cabinets (for hospital use); operating tables (for hospital use); sterilising and disinfection apparatus (for hospital use); examining tables (for hospital use); stretchers (for patient use); prescription tables for hospital use; parts and fittings for all the aforesaid goods.
16.
TERMINAL CONNECTION STRUCTURE, PRODUCTION METHOD AND PRODUCTION DEVICE THEREFOR
[Problem] To ensure stable provision of satisfactory physical and electrical properties between a copper-clad aluminum wire and a crimp terminal. [Solution] This fusing device has an upper electrode (30) and a lower electrode (32) disposed movably relative to one another and facing each other so as to allow a workpiece (W) to be clamped from above and below, a pressing device (34) for applying via the electrodes (30, 32) a heat-crimping pressure force onto the workpiece (W), a power source unit (36) for supplying via the electrodes (30, 32) a heat-crimping current to the workpiece (W), a radiation thermometer (38) for measuring without contact the temperature of the workpiece (W), and a control unit (40) for controlling the entirety of the device or each of the units, in particular, the pressing device (34) and the power source unit (36). The workpiece (W) is constituted from a crimp trunk (12) from a crimp terminal (10), and the portion of a copper-clad aluminum wire (16) inserted (fitted) into the crimp trunk (12).
B23K 11/00 - Soudage par résistanceSectionnement par chauffage par résistance
B23K 11/24 - Circuits d'alimentation ou de commande appropriés
H01R 4/18 - Connexions conductrices de l'électricité entre plusieurs organes conducteurs en contact direct, c.-à-d. se touchant l'un l'autreMoyens pour réaliser ou maintenir de tels contactsConnexions conductrices de l'électricité ayant plusieurs emplacements espacés de connexion pour les conducteurs et utilisant des organes de contact pénétrant dans l'isolation effectuées uniquement par torsion, enroulage, pliage, sertissage ou autre déformation permanente par sertissage
H01R 43/02 - Appareils ou procédés spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation de connecteurs de lignes ou de collecteurs de courant ou pour relier les conducteurs électriques pour connexions soudées
In this laser-output control method using a laser device (10), on the basis of a setting signal (Ss) outputted by an output unit (44) and a measurement signal (Sm) outputted by a measurement unit (42) that measures the output of a laser beam (L), a feedback control unit (46) outputs a feedback signal (Sf) so as to make the output of the laser beam (L) equal to a set output (Pa). A computation unit (48) computes a laser control signal (Sl) on the basis of the setting signal (Ss) and the feedback signal (Sf), and a laser oscillator (18) emits the abovementioned laser beam (L) on the basis of said laser control signal (Sl).
H01S 3/131 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande du milieu actif, p. ex. par commande des procédés ou des appareils pour l'excitation
This invention provides the following: a laser device that, using a plurality of laser oscillators, can simultaneously emit a plurality of laser beams (L) with a preset desired output; and a laser-output correction method. This laser device is provided with the following: an output unit (38) that outputs a setting signal (Ss) corresponding to the preset desired output for the laser beams (L); the plurality of laser oscillators (16) that emit the plurality of laser beams (L); and a plurality of computation units (40) provided so as to correspond respectively to the plurality of laser oscillators (16). Each computation unit (40) outputs a laser control signal (Sl) obtained by correcting the setting signal (Ss) on the basis of the characteristics of the corresponding laser oscillator (16). Each laser oscillator (16) emits a laser beam (L) on the basis of the laser control signal (Sl) outputted by the corresponding computation unit (40).
H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés
H01S 3/131 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande du milieu actif, p. ex. par commande des procédés ou des appareils pour l'excitation
19.
OUTER CAN SEALING METHOD AND OUTER CAN SEALING DEVICE
[Problem] To achieve significant shortening of tact while facilitating condition-setting and improving processing precision and reproducibility in outer can sealing in which the joint formed on the side surface of the outer can and lid is welded by laser seam welding. [Solution] The outer can sealing device comprises: a scanner (38), which is disposed above an outer can (100) and a lid (102) that are supported by a can support (46) on a moving stage (24); a ring-shaped mirror (42) disposed around the outer can (100) and the lid (102) with the reflecting surface aimed diagonally upward; and a control unit for irradiating a laser beam (LB) from a laser oscillation unit onto the joint (104) via the scanner (38) and the ring-shaped mirror (42) and controlling the scanning motion of the scanner (38) so that the beam spot of the laser beam (LB) circles the side surface of the outer can (100) and the lid (102) on the joint (104).
B23K 26/042 - Alignement automatique du faisceau laser
B23K 26/046 - Focalisation automatique du faisceau laser
B23K 26/08 - Dispositifs comportant un mouvement relatif entre le faisceau laser et la pièce
B23K 26/14 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet
