Abstract: A circular saw machine capable of suppressing a cutting-bending of a circular saw blade during cutting, and improving processing accuracy for a cutting surface of a workpiece, regardless of a size of a width of the workpiece. A circular saw machine has: a processing head capable of moving in a cutting direction and its opposite direction and having a circular saw blade capable of rotating; and a movable saw blade guide set provided to be movable in the cutting direction and the opposite direction on the processing head, for guiding to pinch a body part of the circular saw blade on a diameter direction inner side of a cutting region in the circular saw blade. The movable saw blade guide set is configured to move relatively with respect to the processing head in the opposite direction, in coordination with a movement in the cutting direction of said processing head.

Abstract: The present invention relates micro resistance welding apparatus and to a method of welding. In particular, the present invention relates to small scale or micro welding apparatus and to a method of micro resistance welding using a controlled sequence of current, voltage and/or power signal profile for an electric arc. The invention provides a welding apparatus comprising: a controller supplying a controlled drive current to a weld head circuit in which the controller supplies said controlled drive current in dependence upon electrical feedback from the weld head circuit and in which the controlled drive current is defined by a sequence of segments and for each segment the welding apparatus operates in a mode defined by setting one of a predetermined current target, a predetermined voltage target or a predetermined power target; and at least two of the segments are operated in a different mode from one another. The invention also provide a method of operating such an apparatus.

Abstract: An information projecting method projects information concerning a cut piece onto the cut piece, which is cut and separated from a plate-like work and is on a placement table, or onto a position adjacent to the cut piece. To adjust to an aspect ratio of a projector, the method assigns a long side of the work to an X-axis direction of the aspect ratio and a short side of the work to a Y-axis direction of the aspect ratio, finds a positional relationship d between a top face of the work and the projector according to plate thickness information of the work on the placement table and positioned corresponding to the projector arranged at a predetermined Y-axis-direction position, and with a zoom ratio based on the found positional relationship, projects the information concerning the cut piece onto the cut piece or onto a position adjacent to the cut piece.

Abstract: A product sorting apparatus includes a pallet station supporting a pallet on which a product is placed and moves up and down between a base position and a raised position, a transfer device transferring the product to a first area that is on a first side of the pallet station, a first cart movable between the first area and a second area that is on a second side of the pallet station, and a second cart movable between the first area and the second area and able to pass through the inside of the first cart. Through the inside of the pallet station set at the base position, the first cart is unable to pass and the second cart is able to pass, and through the inside of the pallet station set at the raised position, both the first and second carts are able to pass.

Abstract: A product transfer apparatus includes a product suction pad part having a suction cup part capable of sucking a plate-like product, a transfer base whose lower part has the product suction pad part, and a label suction part having a label pad, which is able to suck a label to be pasted to the product, and an up-down function of moving the label pad up and down between a position upper than and a position lower than the position of a front end of the suction cup part.

Abstract: A band saw machine includes a base having a cutting fluid reservoir, a saw blade housing movable in an up-down direction, a pair of saw blade wheels around which a band saw blade are wound, a downstream main vise having a pair of downstream main vise jaws for clamping a product correspondent portion of the workpiece, a discharge table for discharging a product to an outside of the cutting fluid reservoir, and a product feed mechanism that feed the product cut out from the workpiece to a side on an upstream end of the discharge table. A working-side running area of the band saw blade and a working-opposite-side running area of the band saw blade are positioned within the cutting fluid reservoir, and the upstream end of the discharge table is positioned on a downstream side from a wheel center line connecting centers of the pair of saw blade wheels.

Abstract: A laser cut-and-machined product made from a plated steel plate. A cut face of the plated steel plate is coated with plating-layer-containing metal of a top surface of the plated steel plate that is melted and/or evaporated at the time of laser cutting and machining.

Abstract: A hard tip band-saw blade includes alternating sawtooth groups. Each of the sawtooth groups includes two sawtooth subgroups. The first sawtooth subgroup includes, as a plurality of sawteeth, a first leading tooth and a first following tooth and the second sawtooth subgroup includes, as a plurality of sawteeth, a second leading tooth, a second following tooth, and a third following tooth. Each tooth top corner part of a hard tip of the first following tooth, a tooth top corner part on a left side of a hard tip of the second following tooth, and a tooth top corner part on a right side of a hard tip of the third following tooth most outwardly protrude in a left-right direction.

Abstract: A press brake includes paired fixation links, upper link arm, lower link arm and paired raised-lowered links, which form a parallel link mechanism configured to allow an operation panel to be raised and lowered. The press brake includes a spring configured to generate torque depending on a height position of the operation panel in an opposite direction to torque generated by weight of the operation panel; and a torque hinge configured to maintain a posture of the parallel link mechanism by absorbing a torque difference between the torque generated by the weight of the operation panel and the torque generated by the spring.

Abstract: Laser cutting on a plated steel sheet is executed by cutting the plated steel sheet by irradiating the plated steel sheet covered with a plate metal with laser light at a wavelength in a 1 micrometer band; and emitting assist gas onto a cut surface of the plated steel sheet, the cut surface being formed. in the step of cutting, to make the plate metal fused by irradiation of the laser light flow to the cut surface so as to cover the cut surface with the plate metal.

Abstract: In a processing factory in which a plurality of processing machines are installed, a cart operation system operates a plurality of carts to carry materials, parts, and products to process. The cart operation system includes a cart operation display device provided for each of the carts, to display a cart operation indication for a worker and a production management device that generates a cart control signal so that a worker may use a proper cart depending on the plurality of processing machines that are working in the processing factory according to processing programs. The production management device sends a cart control signal to the cart operation display device, and according to the cart control signal, the cart operation display device displays a luminous indication so that the worker, by seeing the luminous indication, may use and operate a proper cart.

Abstract: A laser cutting and machining method for plated steel plated, when irradiating a laser beam LB on to the upper surface of a plated steel plate W and laser cutting and machining same: a plating layer-containing metal that has been melted and/or evaporated by the irradiation of the laser beam LB is caused to flow on to a cut surface of the plated steel plate W as a result of assist gas that is jetted towards a laser machining units; and the plating layer-containing metal is coated on the cut surface.

Abstract: A product taking-out apparatus includes a suction part to suck a plate-like metal product and ascend, a touch plate to move between a separate position and a contact position with respect to the product sucked by the suction part, and a vibrator to vibrate the touch plate.

Abstract: A method of supplying cooling water to a laser processing head includes arranging a cooling water supply path connected to the laser processing head, connecting, to the cooling water supply path, a water supply path for supplying water and an antirust supply path for supplying antirust, keeping constant a ratio between a water quantity fed by a water feed means connected to the water supply path and an antirust quantity fed by an antirust feed means connected to the antirust supply path, mixing the water and antirust in the cooling water supply path, and supplying cooling water to the laser processing head.

Abstract: In a laser processing method, laser lights of fiber lasers or direct diode lasers is irradiated onto an iron-based plate material from a nozzle, a nozzle with a nozzle opening whose opening diameter is preliminarily set according to a thickness of the plate material is selected from plural nozzles whose nozzle openings have different opening diameters from each other, and the plate material is cut while irradiating the laser lights onto the plate material and injecting assist gas from the nozzle opening toward the plate material.

Abstract: A welding program is created for performing spot welding by a program creation device. The program creation device includes a display unit configured to display an image, and an image generation unit configured to generate image data of a product model before being subjected to spot welding in accordance with shape data on a product and display the product model on the display unit, a display control unit configured to make a workpiece having a selected surface in the product model to be semitransparent, a welding portion setting unit configured to set welding portions to be allotted for the selected surface in the product model, and a program creation unit configured to create the welding program including related data for a welding robot with regard to the set welding portions.

Abstract: A workpiece supply device for supplying a plate-shaped workpiece to a press brake, including: a slider movable along a Y-axis-direction guide member that is provided on a base frame movable in X-, Y-, and Z-axis directions relative to a press brake, the slider being capable of being positioned at an end of the guide member; and a workpiece holder provided on the slider and capable of holding a workpiece, wherein a part of the workpiece holder is capable of protruding from the end of the guide member.

Abstract: Provided is a laser processing device that performs laser processing on a workpiece to which a protective film has been attached, wherein a determination is made as to whether or not a common part for which laser marking processing is necessary for cutting the protective film is present on the basis of processing information including a processing program, and when a common part for which laser marking processing is necessary for cutting the protective film is present, the laser marking processing process for that common part is added to the processing program.

Abstract: A first plate-like member on a bottom surface side is disposed in a horizontal direction. A second plate-like member is disposed in a vertical direction. A first position restricting mechanism is engaged with a first end portion including a first side that opposes the first plate-like member in a workpiece in a state where the workpiece stands while a front surface and a rear surface of the plate-like workpiece are along a vertical direction, and restricts the position of the first end portion in a plate thickness direction. A second position restricting mechanism is engaged with a second end portion including a second side that opposes the second plate-like member in the workpiece, and restricts the position of the second end portion in the plate thickness direction.

Abstract: A laser welding method is constituted of: emitting shield gas in advance through a laser nozzle provided on a laser processing head at a time of moving the laser processing head from a reference position to a starting position for welding the workpiece; and radiating laser light onto the workpiece through the laser nozzle at the starting position for welding when a feeding rate of the shield gas gets stabilized, whereby performing laser welding on the workpiece.