Abstract: A reinforcing bar binding machine includes a magazine in which two wires are housed in a drawable manner; a curl guide unit that winds the juxtaposed wires around the reinforcing bars and a wire feeding unit that winds the wires around the reinforcing bars with the curl guide unit in an operation of juxtaposing and feeding the wires so that the wires are wound around the reinforcing bars. In addition, the binding machine includes a binding unit that twists crossing portions of one end side and the other end side of each of the wires wound around the reinforcing bars. The binding unit further includes a bending portion that bends the one end side and the other end side of each of the wires, which are wound around the reinforcing bars, toward the reinforcing bars.

Abstract: A method for piercing a titanium alloy solid billet, the method including: 1) providing a Mannesmann rotary piercer including two rollers, a feed channel, a plurality of centering devices, and a mandril including a plug; fixing the mandril using the plurality of centering devices, where the Mannesmann rotary piercer has a feeding angle of 6-18°, a cross angle of 15°, and a roll speed of 30-90 rpm; 2) heating a titanium alloy solid billet to 930-990° C.; 3) transferring the titanium alloy solid billet to the feed channel of the Mannesmann rotary piercer; and 4) aligning the titanium alloy solid billet with the plug of the mandril, and driving the titanium alloy solid billet to pass through the plug of the mandril, thereby piercing the titanium alloy solid billet and yielding a titanium alloy tube.

Abstract: A device for binding rod bundles includes a tilting apparatus, a wire stripper, a binding apparatus, and a collection apparatus. The tilting apparatus includes a tilting platform, a hydraulic cylinder, and an articulated base. The wire stripper includes a main body, a first sliding mechanism, a second sliding mechanism, a first slide block, and a second slide block. The binding apparatus includes an electric clamp, a clamping frame, a sliding rail, a rail base, and a drive motor. The collection apparatus is hinged to the tilting apparatus; the wire stripper is disposed below the tilting apparatus; the tilting platform includes a hinge hole for receiving one end of the clamping frame. The collection apparatus includes a shaft hole for receiving one end of the tilting platform. The hydraulic cylinder is hinged to the articulated base and the other end of the tilting platform is hinged to the hydraulic cylinder.

Abstract: A method of twisting a pair of wires includes the steps of arranging a first wire parallel to a second wire along a longitudinal axis, securing ends of the first and second wires, and gripping outer surfaces of central portions of the first and second wires. The inner surfaces of the central portions of the first and second wires are in contact with one another. The method further includes deflecting central portions of the first and second wires orthogonally from the longitudinal axis and rotating the central portions of the central portions of the first and second wires, thereby twisting the first and second wires about one another.

Abstract: A chip separator configured to disentangle clusters of chips in a collection tank is disclosed. The chip separator includes a horizontal plate having a first surface and a second surface opposite the first surface, a motor assembly coupled to the first surface of the horizontal plate; and a pulverizer operably coupled to the motor assembly and disposed away from the second surface of the horizontal plate by a distance. The pulverizer includes a base plate and a plurality of pulverizer attachments operably coupled to the base plate. The motor assembly is configured to rotate the pulverizer such that the plurality of pulverizer attachments of the pulverizer disentangles clusters of chips disposed in the collection tank.

Abstract: A blender having bi-directionally rotatable blades includes: a blade assembly including a main blade shaft that is provided to allow a first blade and a first main coupler to integrally rotate in a forward direction and a reverse-rotation blade shaft that is provided to allow a second blade and a first reverse-rotation coupler to integrally rotate in a reverse direction; and a gearbox assembly including a main gear shaft that is provided to allow a second main coupler and a main gear to rotate in the forward direction, at least one sub-gear that is engaged with the main gear and rotates in the reverse direction, a ring gear to which the sub-gear is internal and engaged, and a second reverse-rotation coupler that is configured to integrally rotate with the ring gear in the reverse direction and transmit the reverse rotation to the first reverse-rotation coupler.

Abstract: A reinforcing bar binding machine is provided with a feed means for feeding a wire from a wire reel rotatably mounted on a binding machine body, a braking means for braking a rotation of the wire reel, and a control means that starts a braking to the rotation of the wire reel by the braking means after the wire is fed to a predetermined amount by the feed means.

Abstract: It provides a reinforcing bar binding machine that allows binding objects such as reinforcing bars to be bound by wires with end portions of the wires directed to the binding object side. The reinforcing bar binding machine (1A) includes: a magazine (2A) in which two wires (W) are housed in a drawable manner; a curl guide unit (5A) that winds the juxtaposed wires (W) around the reinforcing bars (S); a wire feeding unit (3A) that winds the wires (W) around the reinforcing bars (S) with the curl guide unit (5A) in an operation of juxtaposing and feeding the wires (W) and winds the wires (W), which is wound around the reinforcing bars (S), around the reinforcing bars (S); and a binding unit (7A) that twists crossing portions of one end side and the other end side of each of the wires (W) wound around the reinforcing bars (S).

Abstract: The disclosure herein discloses a rebar tying machine. The rebar tying machine may include a feed motor, a current sensor configured to detect a current flowing through the feed motor, and a control unit configured to control an operation of the feed motor. The rebar tying machine may be configured to perform: a feeding-out process in which a wire is fed out around rebars by driving the feed motor, a gripping process in which a vicinity of a tip of the wire is gripped, a pulling-back process in which the wire is pulled back by driving the feed motor, a cutting process in which the wire is cut, and a twisting process in which the wire is twisted. The control unit may be configured to determine a diameter of the rebars based on a history of a current value flowing through the feed motor in the pulling-back process.

Abstract: An aggregate production method includes procuring stone waste by-products, sorting the stone waste by-products by type and color, and subjecting the sorted stone waste by-products to a two-stage crushing process to produce aggregate. The aggregate is screened into different sizes and placed according to size into a bag or container.

Abstract: Systems and methods for reducing the thickness of a strip of an aluminum-based material are disclosed. The aluminum-based material is pre-heated before running the material through a warm rolling process. The systems include devices for pre-heating, which can include a heated payoff station or a dedicated pre-heating station that applies heated rolls or acts as a heated tunnel.

Abstract: A profile straightening apparatus 5 for a profiling system which is used to produce a metal profile 4 by roll profiling along a longitudinal axis of the metal profile. The profile straightening apparatus is intended for correcting axial deviations of the metal profile from a prescribed profile geometry, and includes a frame 8 and having at least two interacting correction rollers 6, 7, which are mounted in the frame, receive the metal profile between them and, in relation to the longitudinal axis of the metal profile, are adjustable in two radial directions and also in at least one direction of rotation. The profile straightening apparatus is equipped with force measuring sensors for any forces Fy, Fz acting in the metal profile in one or both radial directions and for any torques Mx acting in the metal profile in a direction of rotation about the longitudinal axis.

Abstract: A hot-spinning formation method for large-diameter titanium alloy cylindrical parts. A workblank is placed in a resistance furnace to heated to 600-650° C., is maintained at this temperature for 0.5-1 h and is then taken out of the resistance furnace; after the workblank is heated, the inner diameter of the workblank becomes larger; the heated workblank is installed on a mandrel, and spinning is started when a maximum clearance between the workblank and the mandrel is less than 0.5 mm; the mandrel and the spinning rollers do not need to be preheated, and a multi-pass spinning process is adopted, such that the workblank can deform more uniformly. A vertical spinning lathe is used for spinning, the mandrel is easy to change, and the workblank is easy to assemble and disassemble.

Abstract: The present disclosure provides a winding device for producing a fiber composite loop chain and a winding method, and belongs to the field of production equipment. The problem that an existing composite loop chain forming technology has tension defects is solved. The winding device includes a main shaft assembly, a clamp pushing-in mechanism, travel switch assemblies, a mold pushing mechanism, a clamp pulling-out mechanism, a positioning and clamping mechanism and a tension control mechanism which are fixedly connected to a rack. The main shaft assembly includes a driving mechanism, a bearing pedestal, a rotating main shaft, clamp sliding shafts and a supporting block. The driving mechanism is connected with one end of the rotating main shaft, and the other end of the rotating main shaft is connected with the supporting block. The rotating main shaft is connected with the bearing pedestal through a bearing, and the bearing pedestal is fixed to the rack. Two clamp sliding shafts are provided.

Abstract: The invention relates to a crusher, in particular a rotary impact crusher, cone crusher or jaw crusher, having a crusher unit (10), which has a movable first crusher body (11), in particular a rotor or a crusher jaw, wherein a second crusher body (14), in particular an impact rocker or a crusher jaw, is assigned to the first crusher body (11), wherein a crushing gap (15) is formed between the crusher bodies (11, 14), wherein an overload triggering device (30) is coupled to the first crusher body or to the second crusher body, which overload triggering device has a hydraulic cylinder (20) and which overload triggering device is designed to permit a motion of the coupled crusher body (11, 14) increasing the width of the crushing gap (15), wherein the hydraulic cylinder (20) has a pressure chamber (24), which is delimited by means of a piston (23), and wherein the overload triggering device (30) has a pressure valve (31) which, in its open position, establishes a fluid-conveying connection between the pressure c

Abstract: A tube straightening tool includes a tool housing having an exterior defining a tube entrance opening that opens into a first end of an internal cavity, and has an interior end wall at a second end of the internal cavity. The tool housing has an interior side wall extending from the tube entrance opening toward the interior end wall. A press block is in the internal cavity and a knob is external to the tool housing. A threaded shaft extends from the knob through the shaft opening into the internal cavity. The press block is coupled to the threaded shaft. Turning the knob moves the press block toward the interior side wall, and an exterior of a tube resting in the internal cavity is confronted by the press block and moved against the interior side wall. A method of straightening a tube using the tool is disclosed.

Abstract: A cooling section (2) is situated in a rolling line or upstream or downstream of the rolling line. A hot metal rolled material (1) is cooled in the cooling section. A control device (13) of the cooling section (2) dynamically determines setpoint actuation states (S1*) for control valves (10) situated in supply lines (8) and actuates the control valves (10) accordingly. Main flows (F1) of a liquid, water-based coolant (7) are supplied to application devices (6) of the cooling section (2) via the supply lines (8) in accordance with the actuation. The supply lines (8) conduct the main flows (F1) to buffer regions (12) of the application devices (6). Proceeding from there, cooling flows (F) of the coolant (7) are applied to the hot rolled material (1). The control device (13) also dynamically determines setpoint actuation states (S2*) for active devices (16) and actuates the active devices (16) accordingly.

Abstract: Disclosed are embodiments of a system and method for baling recyclable materials and managing the baling of recyclable materials. The apparatus for baling includes a baler for compressing and baling recyclable materials, a scale, label printer, and a processor. Certain embodiments further comprise at least one digital camera, RFID dispenser, and an internet connection that allows the processor to transmit collected data to a remote database for further analysis. The disclosed method for baling recyclable materials comprising the steps of baling materials; weighing the bale automatically using a digital scale operably connected to the processor; recording the weight of the bale automatically; and printing a label which displays the recorded weight of the bale. Additionally, the method may comprise inputting information and/or automatically recording data, and/or automatically transmitting the data associated with a bale to a remote database.

Abstract: An expansion tool includes a housing and a collar rotatably coupled to the housing. The collar includes a plurality of slots. The expansion tool further includes a plurality of jaws, each jaw having a projection received in a corresponding one of the plurality of slots such that the jaws are coupled for co-rotation with the collar. The expansion tool also includes a mandrel movable relative to the housing between a retracted position and an extended position, the mandrel engageable with the jaws to expand the jaws in response to movement of the mandrel to the extended position, and a drive mechanism including a rotatable cam. Rotation of the cam moves the mandrel between the retracted position and the extended position. The expansion tool further includes a rotation mechanism configured to incrementally rotate the collar.

Abstract: A chattering detection method for a cold rolling mill, the method including: measuring a vibration of a cold rolling mill; calculating a time waveform of vibration intensity by performing frequency analysis on a time waveform of the measured vibration of the cold rolling mill for a predetermined period equal to or shorter than a time in which a periodic vibration continues without converging; and detecting a chattering sign vibration of the cold rolling mill based on a number of points having vibration intensity values that exceed a predetermined threshold, the points being included in the calculated time waveform of the vibration intensity.