Abstract: A laser processing machine includes a work head, a plate-like work working table for processing a plate-like work, a rod-like work working table including a rod-like work holder for processing a rod-like work, and a work area in which the work head is movably provided. The plate-like work working table is provided movably from one side of the work area into the work area. The rod-like work working table is provided movably from another side of the work area into the work area that is opposite side of the one side. According to the laser processing machine, when switching over between a processing of a plate-like work and a processing of a rod-like work, it is needed only to move/evacuate the plate-like work working table and the rod-like work working table to/from the work area, so that the switching-over operation can be easily done.

Abstract: A combined working machine includes a base frame having a sloped surface, a first headstock installed on the sloped surface, a first main spindle rotatably provided on the first headstock, a second headstock installed on the sloped surface oppositely to the first headstock, a second main spindle provided on the second headstock, a tool head installed on the sloped surface on one side of the first headstock, a tool head provided in the tool head and having a tool attachment base to which a cutting tool is attached, a grinding head installed on the sloped surface on another side of the first headstock, and a grinding head body provided in the grinding head and supports a rotatable rotary shaft. A grinding wheel for grinding is exchangeably attached to the rotary shaft of the grinding head. According to the combined working machine, cutting and grinding can be carried out concurrently.

Abstract: A tool measuring apparatus for measuring a height of a punch body and a die includes a measurement device that measures a distance from a punch reference position that is set preliminarily to an end surface of the punch body, and a distance from a die reference position that is set preliminarily to an end surface of the die. The punch reference position and the die reference position are placed independently from each other. According to the tool measuring apparatus, it is possible to measure a punch body and a die easily even in a case where a size of the punch body and a size of the die are significantly different from each other.

Abstract: A work processing apparatus upwardly turns a wrist of a vertical articulated robot to retract a hand that is holding a work to a position where the hand and work do not interfere with a press brake. In this state, an engaging projection arranged at a front end of an upper arm or at the wrist is inserted into an engaging hole of a lower die of the press brake and the vertical articulated robot is operated to move the lower die along a groove of a die holder.

Abstract: A rotatable buffer turret apparatus on which plural pairs of punches and dies to be set on a turret of a turret punch press are set, includes an upper buffer turret on which punch attachment holes in which the punches can be set are arranged circularly, and a lower buffer turret on which die attachment holes that is associated with the punch attachment holes and in which the dies can be set are arranged circularly. The upper and lower buffer turrets are rotatably attached to a single rotary shaft. A diameter of the lower buffer turret is made larger than a diameter of the upper buffer turret. The die attachment holes are formed in a circular die attachment area having a diameter larger than the diameter of the upper buffer turret. According to the apparatus, a tool exchange manually operated by an operator can be done easily and efficiently.

Abstract: In a tool storing device handling a tool mounting stocker in which a punch and a die of a press brake are mounted in one stocker with rear surfaces facing each other, each of the stockers is supported on both sides by endless belts having one driving shaft, and the endless belts are circulated so that each of the supported stockers does not protrude to a worker side, whereby a position of a path line of the appropriate one of the stockers can be freely positioned at a position of the path line PL of a tool holder on the press brake side. This enables rapid and easy tool replacement by a bending robot by storing not only the tool made of the punch and the die but also the hand for the robot together.

Abstract: A tool attachment unit includes a power feeding electrode and a plurality of detection electrodes. When a tool including a power receiving electrode and a displacement electrode is attached onto the tool attachment unit, the power feeding electrode and the power receiving electrode are opposed to each other, and the detection electrode and the displacement electrode are opposed to each other. A pair of the power feeding electrode and the power receiving electrode and a pair of the detection electrode and the displacement electrode form a capacitor circuit. A capacity of the capacitor circuit is changed in response to a position of the tool. A tool position detection unit supplies a power feeding signal to the power feeding electrode. A voltage information extractor extracts voltage information from the detection electrode. Based on the extracted voltage information, a position detection/arithmetic operation unit detects to which position the tool is attached.

Abstract: A saw blade includes a group A (group A1 [=straight tooth+the odd number of set teeth]+group A2 [=straight tooth+the even number of set teeth]) and a group B (group B1 [=straight tooth+the odd number of set teeth having opposite set-bending sides to those in the group A1]+group B2 [=straight tooth+the even number of set teeth having opposite set-bending sides to those in the group A2]). Wide and narrow set teeth are arranged so that a max/min ratio of the number of pitches between the narrow set teeth having identical set-bending side and set width is 1.8 or less, and a max/min ratio of the number of pitches between the wide set teeth having identical set-bending side set width is 2.7 or less.

Abstract: An upper die 9B is removable in an up-down direction with respect to an upper die mounting groove 5 that is arranged in a left-right direction at a lower part of an upper table 1 of a press brake. The upper die includes a stop piece 19A having a stop projection 31 that is engageable with a stop groove 7 that is formed in the left-right direction in each of upper die contact faces 5F and 5R which face each other in a front-rear direction, the stop piece 19A being movable out of and into a surface of the upper die 9B and pushed in a direction to project out of the surface of the upper die. A bottom face 35 of the stop projection 31 for engaging with the stop groove 7 is an inclined face that rises toward a front end of the stop projection.

Abstract: A nesting data generation device generates nesting data for cutting off a part from a work supported by plural support projections. The nesting data generation device includes a nesting data generating unit that generates the nesting data by arranging a geometry of the part on the work. The nesting data generating unit performs, upon arranging the geometry of the part on the work, an avoidance process for avoiding an impediment due to the support projections. According to the nesting data generation device, the part can be prevented from welding on the support projections and the support projections can be prevented from welding upon arranging the geometry on the work by considering positions of the support projections, so that a drop-off and an inclination of the cut part can be prevented.

Abstract: A band saw is includes a driving wheel and a driven wheel rotatably provided at a saw housing; an endless saw band made to run around the driving wheel and the driven wheel; and a plurality of saw band guiding devices for directing and guiding cutting edges of the saw band toward a direction of a workpiece to be cut. The saw band guiding devices are constructed to be movable in directions where one of the guiding devices gets closer to and away from another of the guiding devices, wherein each of the saw band guiding devices includes vibrating means for vibrating the saw band in a cutting direction relative to the workpiece. A pressure member holder including a plurality of pressure rollers or a pressure member for pressing a back surface of the saw band is provided in each of the saw band guiding devices.

Abstract: A saw band guiding device is comprised of a fixed insert holder comprising a fixed insert guide at a tip end portion of the fixed insert holder, the fixed insert guide guiding one side surface of a saw band; and a movable insert holder comprising a movable insert guide at a tip end portion of the movable insert holder, the movable insert guide being opposed to the fixed insert guide and guiding another side surface of the saw band, the movable insert holder being rotatable relative to the fixed insert holder, wherein the movable insert holder is provided to be regulated in directions where the movable insert holder gets closer to and away from the fixed insert holder so as to regulate a saw band guiding surface of the fixed insert guide and a saw band guiding surface of the movable insert guide to be parallel with each other.

Abstract: A tapping tool is mountable on an adapter for tapping. The adapter includes a ring gear in which the tapping tool is mountable; and a gear holder in which the ring gear is disposed and which is mountable on a turret of a turret punch press so as to locate the disposed ring gear at a position corresponding to a punch mounting section formed in advance in the turret. The tapping tool includes a cylindrical body and a rotating body.

Abstract: A coaxial nozzle of a laser beam machine has an inner nozzle in which a laser beam and an inner gas are passing through an inner side, an outer nozzle provided at an outer side of the inner nozzle, and a cooling circuit for cooling the inner nozzle.

Abstract: A laser machining device includes a laser oscillator for oscillating a laser beam to have a variable output according to a machining condition, an optical fiber for propagating the laser beam, a sensor for detecting an intensity of a light leaking from a cladding side face of the optical fiber and outputting a detection signal indicating that intensity, and an oscillation control unit for controlling an operation of that laser machining device based on the detection signal. The oscillation control unit compares a first threshold that is set in correspondence to that output with an intensity or an amount of light obtained from the detection signal, compares a second threshold that is set in correspondence to that output with an intensity or an amount of light obtained from the detection signal, and controls the operation of that laser machining device based on a result of comparing.

Abstract: A capacitive discharge (CD) welder includes a charging circuit, a capacitor bank, an insulated gate bipolar transistor (IGBT), a pulse transformer and a secondary circuit. The charging circuit takes incoming electricity and charges a capacitor bank. The capacitor bank stores energy. The IGBT electrically connects and disconnects the capacitor bank to the pulse transformer. The pulse transformer reduces voltage from that stored in the capacitor bank to the desired welding voltage. The secondary circuit electrically connected to the pulse transformer provides a welding current corresponding to the output to the material being welded.

Abstract: In a bending machine, there is provided at one back gauge abutting part (5) a plurality of contact confirmation sensors for confirming the contact thereof with a workpiece; and there is included control means driving a ram (1) on the conditions of ON of all the sensors automatically or manually specified among these contact confirmation sensors and ON of a foot pedal (6) when the workpiece is abutted.

Abstract: In a press machine vertically moving a ram by turning a threaded member, the ram has a bearing holder that holds a bearing whose outer ring is solidly engaged with the bearing holder and whose inner ring is solidly fitted to a lower end part of the threaded member. A fine clearance is formed between a lower face of the threaded member and a bottom face of the bearing holder so that the threaded member and bearing holder are allowed to rotate relative to each other. The fine clearance is set so that, when load is applied to the ram to cause a relative slight movement in a vertical direction between the inner and outer rings of the bearing, the lower face of the threaded member and the bottom face of the bearing holder come into contact with each other.

Abstract: A feed vise is configured to position a work material on a pass line. A band saw blade has zero twisting, and is configured to cut the work material into a length smaller than a diameter of a driving wheel. A product discharge vise has product discharge vise jaws. The product discharge vise jaws clamp the work material, and the band saw blade is configured to be lowered and cut the work material. After the cutting is completed, the product discharge vise is configured to discharge a product, which is obtained by cutting the work material, below the pass line, while the product discharge vise clamps the product.

Abstract: A laser cutting method and a laser cutting apparatus cut a metallic work with a laser beam of a one-micrometer waveband. The method and apparatus carry out the laser cutting of the work with a ring beam RB passed through a focus position of a condenser lens 13 and having inner and outer diameters that tend to expand. The outer diameter of the ring beam is in a range of 300 ?m (micrometers) to 600 ?m, an inner diameter ratio of the same is in a range of 30% to 70%, and a focal depth of the condenser lens is in a range of 2 mm to 5 mm.