Abstract: A press machine includes a bottom dead center position correction control section, a speed state determination section that determines the actual press speed, a control cycle count setting section, and a mode selection control section that selects a single-cycle control mode when the actual press speed is in a changing state, and selects a set multi-cycle control mode when the actual press speed is in a stable state. The bottom dead center position correction control section performs position correction control corresponding to each press cycle in the single-cycle control mode, and performs position correction control corresponding to each control multi-cycle count set by the control cycle count setting section in the set multi-cycle control mode.

Abstract: A press machine is provided that can accurately detect load acted on a frame. A frame 1 includes an upper horizontal frame 1b, a lower horizontal frame 1a, and a vertical frame 1c arranged to connect the upper horizontal frame 1b and the lower horizontal frame 1a. A press drive mechanism 8 is provided to the upper horizontal frame 1b. A strain generation member 23 is arranged across from the upper horizontal frame 1b to the vertical frame 1c. In the strain generation member 23, an intermediate portion 23a has a cross-sectional area that is smaller than those of end portions 23b, 23c fixed to the upper horizontal frame 1b and the vertical frame 1c, respectively. A strain amount detecting body 24 is attached to the intermediate portion 23a of the strain generation member 23 in order to detect a strain amount.

Abstract: A hydraulic pressing unit includes a hydraulic pump, supply and hydraulic chambers, moving and stationary parts, a restoring spring, and a return valve provided within or attached to a housing. The moving part is displaced from a starting position into a pressing position as a result of filling the hydraulic chamber with a hydraulic medium from the supply chamber by using the hydraulic pump. The return valve is automatically displaced into an open position as a result of a hydraulic pressure corresponding to the pressing position, and the restoring spring moves the moving part. A piston acts on the flow of the hydraulic medium and lowers the pressure such that the return valve is displaced into the closed position.

Abstract: A hydraulic pressing unit includes a hydraulic pump, supply and hydraulic chambers, moving and stationary parts, a restoring spring, and a return valve provided within or attached to a housing. The moving part is displaced from a starting position into a pressing position as a result of filling the hydraulic chamber with a hydraulic medium from the supply chamber by using the hydraulic pump. The return valve is automatically displaced into an open position as a result of a hydraulic pressure corresponding to the pressing position, and the restoring spring moves the moving part. A piston acts on the flow of the hydraulic medium and lowers the pressure such that the return valve is displaced into the closed position.

Abstract: There is provided a controlling technique for a servo press capable of optimal forming for handling variability in a sheet thickness and material property of a workpiece and for handling each workpiece. A controlling device for controlling a servo press in accordance with a slide motion data includes: measurement equipment for measuring a forming state of a workpiece, attached to a die for forming the workpiece; a measurement result receiving portion for receiving a measurement result sent from the measurement equipment; and a slide motion data changing portion for changing a slide motion data for forming the same workpiece at scheduled measuring time in accordance with the measurement result received by the measurement result receiving portion.

Abstract: A compacting system compacts particulate matter in open-top railroad gondola cars rolling on rails. The compacting system comprises a compacting station adjacent the rails and a scanning system that scans the gondola cars as they move along the rails toward the compacting station. The scanning system transmits data of the gondola car to an electronic control system. The compacting station has at least one compaction member, e.g., a plate structure or a roller, configured to contact an upper surface of the particulate matter in the gondola cars. The electronic control system controls the compacting station so that the compaction member engages with and applies force to the upper surface of the particulate matter in the gondola car so as to compress the particulate matter in the gondola. A method for compacting particulate matter in a gondola car is also shown.

Abstract: The invention relates to a method for producing formed food products in which a frozen primary product is produced from one or a plurality of foods, in particular from meat, fish, game, poultry, carbohydrates and/or vegetables, or a combination and/or a mixture composed thereof, and the primary product is formed into the food product with a desired contour as part of processing in a processing line by means of at least one forming process, wherein during the forming process at least one pressure stamp presses the primary product against a flat or contoured abutment in order to produce the contour. The known forming methods are to become gentler by means of the invention. For gentle processing the invention proposes clocking the reforming or reforming in a plurality of pressure- or distance-controlled partial pressing steps.

Abstract: The invention relates to a method for operating a motor-driven hand-held pressing apparatus. In said method, once a switch has been actuated, one or more pressing jaws is/are moved from a starting position into a closed pressing position until a predefined pressing force has been reached or a given amount of time has lapsed, whereupon the pressing jaw/s is/are automatically released, e.g. using the return travel of a plunger. The releasing action can be interrupted in an intermediate position, before reaching the starting position, so as to start a subsequent pressing process from such an intermediate position.

Abstract: A compacting machine (10) includes a support structure (12). A feed hopper (14) is carried by the support structure (12) the feed hopper (14) being configured to receive waste material to be compacted, the feed hopper (14) having a discharge opening (20). A comminuting station (18) is arranged downstream of, and in communication with, the discharge opening (20) of the feed hopper (14) to comminute material received from the feed hopper (14) into granules of a predetermined size A compacting station (22) is arranged downstream of the comminuting station (18), the compacting station (22) defining a compacting station (58) in which granules discharged from the comminuting station (18) are compacted. The compacting station (22) further includes a compacting member (50) treated to reduce friction and heat generation as the material is compacted in the compacting zone (58).

Abstract: Method for a safety and testing control for a press, including a hydraulic system with at least one hydraulic cylinder, operated by means of a hydraulic valve controlled by a programmable processing unit where a number of electrical signal inputs and outputs are provided and into which a software programme is loaded, where a position sensor is provided that indicates the position of the hydraulic cylinder and where the software application works solely on the basis of an internal timer and the aforementioned position sensor can control the motion of the press as well as a hydraulic press working according to this method and using the software and carrier.

Abstract: A press machine includes a bottom dead center position correction control section, a speed state determination section that determines the actual press speed, a control cycle count setting section, and a mode selection control section that selects a single-cycle control mode when the actual press speed is in a changing state, and selects a set multi-cycle control mode when the actual press speed is in a stable state. The bottom dead center position correction control section performs position correction control corresponding to each press cycle in the single-cycle control mode, and performs position correction control corresponding to each control multi-cycle count set by the control cycle count setting section in the set multi-cycle control mode.

Abstract: A square baler has a baling chamber and a bale chute arranged at the discharge end of the baling chamber. The bale chute comprises a rear portion that is pivotable about a horizontal axis to allow each bale to be lowered onto the ground without the bale toppling onto its end as it leaves the chute. The invention weighs each bale while the whole of its weight is supported by the rear portion of the bale chute.

Abstract: A manually operated press comprises an actuation lever coupled to a shaft assembly. An actuation of the actuation lever is transformed into a stroke movement of a press ram. A clutch assembly is provided for interrupting a flow of force between the actuation lever and the press ram. The clutch is adapted to separate an input shaft from an output shaft depending on predetermined pressing parameters. The input shaft extends as an inner shaft through the output shaft. The clutch assembly has a first clutch designed as a stroke stop for immobilizing the input shaft with a press housing depending on the pressing parameter, and a second clutch designed as an overload clutch for interrupting a flow of force between the input shaft and the output shaft.

Abstract: The present invention provides a linear motor mounted press machine which uses a boosting mechanism to enable machining with a greater press tonnage using a press driving source with relatively low power and which, for machining with a smaller press tonnage, enables efficient high-speed machining. A linear motor mounted press machine includes a boosting mechanism 10 having an output portion that performs a rectilinear reciprocating operation, a first linear motor 11 coupled to an output portion of the boosting mechanism 10, a second linear motor 12 having an output shaft that drives a press tool 6 forward and backward, and a coupling switching mechanism 13. The coupling switching mechanism 13 releasably couples the output shaft of the second linear motor 12 to the output portion of the boosting mechanism 10. The boosting mechanism 10 is a toggle-type link mechanism or the like. A servo motor and a crank mechanism or the like may be used in place of the first linear motor 11.

Abstract: A high-pressure press includes a pressure vessel surrounded by a force-absorbing press frame. The high-pressure press also includes a detection structure for detecting changes in length of at least one column comprised in the press frame, the changes in length depending on the pressure inside the pressure vessel. The detection structure includes a limit switch, which is adapted to detect if the change in length of the column has reached a threshold value and, in that case, interrupt a pressing operation in progress and reduce the pressure inside the pressure vessel.

Abstract: High production processing and high accuracy processing are selectively performed with a single press. To this end, there are provided a system and method for controlling a servo press 1 in which an eccentric rotation mechanism 20 is driven by a servo motor 21 and the rotating power of the eccentric rotation mechanism 20 is transmitted to a slide 3 through a toggle linkage 15, thereby vertically moving the slide 3. In the control system and method, the rotation of the servo motor 21 is controlled in response to a motor speed command rm calculated based on the deviation ? p of the position of the slide 3 and a positional gain G(?) preset according to a speed ratio of the slide 3.

Abstract: A pressing and heating system for pressing of a multilayer press assembly in which the multilayer press assembly may have a plurality of multilayer sets of material, for fabrication of printed circuit boards or the like, which are mutually separated by at least one separating plate. The system contains at least one tool that is to be inserted in an insertion opening of a stacked press. The tool being of a form that is electrically heatable, for the purpose of which heating at least one electrically powered heating element is provided, and the system further contains a control unit for controlling the heating element. With the aim of improving such a system, at least one thermocouple element is provided.

Abstract: A bale set-down system and method for setting down bales from an agricultural baling press onto a field includes placing down of at least one bale on a ground, and setting down at least one another bale in a direct vicinity of the first mentioned bale that has already been placed on the ground.

Abstract: A press comprises a servo motor (6), a ball screw (9), and a roller guide (11) in which machining accuracy is enhanced while reducing the overall size and weight, noise and vibration, and power consumption of the press.

Abstract: A press machine uses a crank mechanism which can perform pressing by a pressing force control when a slide exists in a pressing region. When the slide is determined to exist between an initial position and a switching position to the pressing region, the slide is moved down by rotating a motor regularly by a position control system. When the slide is determined to exist in the pressing region, pressing is performed by moving down the slide such that a slide pressing force becomes equal to a set slide pressing force by a pressing force control system.

Abstract: An approach sensor 2 is provided to give a signal to a control device, that is, CPU 1, when the approach sensor 2 detects an operator approaching a region predetermined in consideration of a region where a ram 20 is driven. The CPU 1 is operated in response to the signal from the approach sensor 2 to turn a relay 6 off, thereby to intercept the power supply to a servo motor 8 from a power source, wherein the servo motor 8 is controlled to return the ram 20 to an operation point when an instruction is given from an operating device 4 to turn the relay 6 on to supply the power to the servo motor 8 from the power source.

Abstract: A method for setting the travel of a press brake comprising at least one sensor, which measures a physical parameter (p) that varies with the force exerted by the punch on a piece of sheet metal placed on the die, and an electronic device that controls the displacement of the mobile apron. Instantaneous bending angle ? under load of the piece is calculated as a function of the displacement; the bearing force (f) of the punch on the piece is calculated using the value of the physical parameter (p); the sequence of values for the instantaneous bending angle/bearing force pair (?, f) is compared to a reference curve (?, f)ref which is pre-recorded during a bending operation involving the same material, and the electronic device calculates a bottom dead center correction taking account of the deviation between the (?, f) pairs and reference curve (?, f)ref.

Abstract: A precision positioning device comprises a hydraulic cylinder extending along the vertical direction and a piston member accommodated in the cylinder. The inside of the cylinder is divided into two chambers by a piston head of the piston member. A hydraulic circuit supplies a fluid at a constant pressure to one of the two chambers and supplies the fluid at a controlled flow rate to the other of the chambers via a servo valve. A control system performs position control with respect to the piston member by controlling the servo valve based on a detection signal from the position sensor, a position command value, a velocity command value, and an acceleration command value. The control system also performs force control with respect to the piston member by controlling the servo valve using detection signals from the first and second pressure sensors and a load command value.

Abstract: An overload protection control method for a pressing machine capable of performing overload protection with excellent responsiveness with a simple structure is provided. For this purpose, the overload protection control method includes the steps of driving a slide (4) to reciprocate via a mechanical power transmission mechanism (3) by a servo motor (21), and raising the slide (4) by the servo motor (21) when detecting overload on the slide (4) during pressurization.

Abstract: A die height adjusting device for a pressing machine, which withstands high vibrations and high impacts during pressing work, and is capable of realizing high precision of a slide position, is provided. For this purpose, the die height adjusting device includes an induction motor (9), which performs die height adjustment of a slide (3), and an inverter (17) which performs a speed control of the induction motor. Voltage is applied to the induction motor for a predetermined period of time, and thereby a predetermined amount of die height adjustment is performed.

Abstract: The invention relates to a method for positioning a shoe of a shoe press/shoe clender in a paper machine. In the method, the position of the shoe (11) of the shoe calender/shoe press is measured and, based on the results of the measurement, the position of the shoe is controlled so as to be as desired in the direction of nip compression. The invention also relates to an arrangment for positioning a shoe of a shoe press/shoe calender in a paper machine, which arrangment comprises a shoe roll (10) or equivalent which includes a shoe (11) and hydraulic cylinders (12) connected thereto for moving the shoe (11). The arrangement comprises further at least two measuring devices (15) for measuring the position of the shoe (11) and means (12) for controlling the position of the shoe (11) based the results obtained by means of the measuring devices so as to be as desired in the direction of nip compression.

Abstract: A simulation apparatus is provided comprising a fixed main body; a carriage associated with the main body for movement relative to the main body; a first device coupled to the fixed main body for engaging a workpiece; a second device coupled to the carriage for movement with the carriage and for engaging the workpiece; at least one motor apparatus coupled to the fixed main body and the carriage for effecting movement of the carriage and the second device relative to the main body such that a tensile load is applied to the workpiece; sensor apparatus comprising at least one force sensor for sensing the tensile load applied to the workpiece during the movement of the second device; and a drive controller.

Abstract: A baler is described which has a collection chamber or duct and a baling chamber. Crop material enters the duct until a pre-determined level has been reached at which time a stuffer transfers the pre-compressed crop to the baling chamber. A control system is provided for calculating the ratio between the amount of crop material which should be formed into bales under optimal conditions and the rate of flow of crop material entering the duct. This ratio can be displayed and used to control the speed of the towing vehicle. The present invention uses the duct as a kind of measuring cylinder to determine the rate at which crop material is entering the baler.

Abstract: A trash bin equipped with an automatic lifting lid includes a lid mounted onto a bucket. The lid has a base seat to hold batteries, a switch, a circuit board and an electronic component, a motor and a reducing gear box. The circuit board includes the electronic component and an induction controller which is extended to form an induction line located on the peripheral rim of the base seat. The reducing gear box is located on the rear end of the base seat and has a reducing gear set driven by the motor. One gear is extended above a trough located on the rear end of a shell to engage with another gear located at the rear end of an upper lid to transmit rotation and lift the upper lid. When energized by electricity, the induction line on the peripheral rim of the base seat may be induced to actuate automatic lifting of the upper lid to receive garbage.

Abstract: A plurality of electric wires of a wire harness have a filler applied to predetermined waterproofing portions thereof. A sheet is wound on a peripheral surface of a bundle of electric wires to which the filler has been applied, and the sheet-wound waterproofing portion is repeatedly pressed from opposite sides. By such pressing, a relative displacement of the electric wires and the filler can be accelerated and the filler can be spread and filled securely in the waterproofing portion.

Abstract: A compressing machine includes a press unit 12 for compressing a concentrated sludge within a squeezing chamber to provide a briquette B, and a press control means 13 for controlling the press unit 12. The press control means 13 includes a parameter and compressing speed setting means 26, a parameter measuring means 28, and a compressing speed control means 27. The parameter and compressing speed setting means 26 is a means in which a relation between a predetermined parameter that may affect compression performed by the press unit 12, and a compressing speed of the press unit 12. The predetermined parameter may include a coolant temperature, ambient temperature or a coolant content and others. The parameter measuring means 28 is a means for measuring the predetermined parameter.

Abstract: A system and method is provided, which monitors multiple pressure readings of the compactor assembly during each of one or more compaction cycles, and upon request, graphically displays the monitored information corresponding to one or more of the compaction cycles, thereby providing a visual indication of the operational status of the waste compactor container.

Abstract: A semi-automatic round baler having an “auto kick” or “auto wrap” mode. In the auto kick mode, at the conclusion of the forming cycle the baler will stop and await the operator's signal to continue. Once the operator has signaled to continue, the baler will wrap the bale and will immediately proceed to the ejecting cycle. In auto wrap mode, the baler will automatically enter into and complete the wrapping cycle (after a short delay) following completion of the forming cycle. At the conclusion of the wrapping cycle in the auto wrap mode, the baler will await the operator's signal before ejecting the completed bale.

Abstract: An apparatus for planning and controlling production sequences, in particular printing processes in a printing system. The apparatus includes a sequence control apparatus formed of at least one data input unit, a data output unit, a data processing system and a memory unit, which are connected so as to communicate with one another and with the printing system. The apparatus also includes at least one planning board, which has display elements for displaying individual or a number of printing processes. In addition, a method of planning and controlling the production sequences is described.

Abstract: A system for maintaining calender rolls of a paper machine clean when producing high-gloss paper or coated paper, such as LWC or MWC. To prevent a coating agent, such as coating dye, from adhering onto and soiling a smooth surface of a calender roll, with an overheating phenomenon, the system has a second measurement station (10) provided with measuring and indicator means for producing an output indicating soiledness of the web (W) or a humidity profile. When the output of the second measurement station (10) indicates excessive soiledness or an uneven humidity profile, the system performs at least one of: cleaning the surface of the smooth-surfaced calender roll; changing the nip load in the calender (5); making a correction adjustment of the CD-directional humidity profile of the web (W); cutting the web (W) and conducting it into the pulper; and/or changing the running speed of the web (W).

Abstract: A system is provided for monitoring the operation of a press machine over a series of press running cycles. A plurality of press operating events associated with the operation of the press machine are defined. Each press operating event has a modifiable control function associated therewith. An arrangement of accelerometers measures the press machine vibrational activity associated with each press operating event that occurs during the series of press running cycles. A processor processes the vibration measurements associated with the press operating events to identify the presence of a vibration trend therein meeting a defined trending criteria. A controller is responsive to trend identification signals generated by the processor for modifying the respective control function of each press operating event which is associated with identification of the vibration trend.

Abstract: A pressing machine, particularly a fast operating pressing machine equipped with a pressing head forced into longitudinal jigging motion in a working range over a bench (46) by an eccenter disk (8), having an eccentric shaft, through a crank arm (9). The pressing head (12) has a lower pressing block (13) removable from the work range above the bench (46) and an upper pressing block (14) arranged slideably in relation to the lower and forced into jigging motion by the crank arm (9) and there is a connecting element (15) joining the lower pressing block (13) to the upper pressing block (14). The connection between the upper and lower pressing block (14, 13) can be broken, thereby motion of the lower pressing block (13) can be stopped while the eccentric disk (8), its shaft and any flywheel or similar inertial mass connected with the upper pressing block (14) continues to rotate.

Abstract: A screw press which can ensure the positional precision of the ram when the rotation amount of the press motor does not directly translate into the position of the ram because there is other machinery, such as a decelerator and the like, present between the motor (servo motor) and the screw mechanism, has a construction in which a position detection sensor, which detects the position of the ram, is provided, and the position of the ram is controlled by the output from this sensor.

Abstract: A plurality of detecting means 37, 38, 39, 40 are installed to detect a plurality of type specifying factors of work sheets W. A work sheet type identifying means 41 is installed to identify the types of the work sheets based on the factors detected by the detecting means 37˜40. A parameter selection means 42 is installed to select control parameters in accordance with the work sheet type identified by the work sheet type identifying means 41. A process control means 32 controls a processing means 3 based on the control parameters thus selected. The parameter selection means 42 is composed of a parameter memory means 44 and a parameter selection section 43. Said control parameters include a speed pattern of the ram, a hover height of the ram, a press torque in form-processing, and a number of tons for punching.

Abstract: An agricultural baler comprises a frame, a pick-up assembly for picking up crop material from a field and a baling chamber for receiving crop material from the pick-up assembly, the baling chamber having at least one movable wall portion. A plunger is mounted for reciprocating movement in the baling chamber for compression of the crop material therein, the plunger being driven by a gearbox which is affixed to the frame. A control unit adjusts the position of the movable wall portion in response to the signal from a load sensor, which is connected by a lever to the plunger gearbox for monitoring the reaction forces of the crop material on the plunger during the compression stroke. The lever arrangement includes a longitudinal pull member connected to one arm of the lever and a ball bearing mounted over the load sensor and connected to the other arm of the lever for precluding the effects of transverse or upward vibrations of the gearbox on the sensor.

Abstract: A detection system is installed into a press piston guiding area for detecting if the piston guiding system has lost its requisite clearance. The detector is installed in a typical press in such a way that when the negatively grounded press piston touches the detector, it discharges the electrical potential between the detector and the piston. Upon contact, a signaling device stops the press, and a fault is indicated. In an alternative embodiment, the detector senses an eddy current when in close proximity to the piston.

Abstract: A system and method for compressing scrap metal. The scrap metal is compressed in a portable container. The container rests on two scales that rest above the ground surface. The fullness of the container is primarily evaluated based on the weight of the container. The scrap metal is initially delivered to a static compactor to which the container is mated. The compactor includes a ram that forces the scrap metal into and compresses the scrap metal in the container. The weight of the container is continually monitored while the container is mated to the compactor. The actuation of the ram is controlled so that, as the amount of scrap metal in the container increases, the frequency with which the ram is actuated increases. After the volume of scrap metal in the container increases above a certain level, each actuation of the ram actual comprises running the ram through plural extension and retraction cycles.

Abstract: A method of laser-assisted pressing is used to adjust the pressing position with a laser projector and an impressible element while pressing an opaque object. The apparatus in this invention is characterized by a platform, a pressing unit with at least one press head, and at least one laser projector for projecting a laser beam to form a light area. The press head presses the impressible element to form a pressure mark indicating the pressing position. The light area is then adjusted to match the pressure mark. Finally, the relative positioning of the platform and the pressing unit is adjusted to match the light area with the area to be pressed. Thus the pressing position will be accurate in the pressing process.

Abstract: A process for operating a workpiece transport system for a press arrangement includes driving, the system by at least one driving device which can be held in a stoppage position with a braking device. By application of a predefined torque by the driving device, the functioning of the braking device is checked.

Abstract: Aa process for operating a press arrangement involves a press slide and at least one workpiece transport device that are electromechanically driven and electrically supplied by a supply and feedback device having at least one input and at least one output. In the event of a voltage drop at the input of the supply and feedback device, the current intensity at the input of the supply and feedback device is increased.

Abstract: According to this invention, introduction of dynamic, closed-loop force and position control over press rolls of a planer or infeed table provides a dramatic increase in capability, performance, and reliability, as compared to the prior art.

Abstract: Reformation techniques and apparatus. Typically employed to permit separate printing and finishing of multiple webs of paper, these techniques and apparatus utilize or provide heat and, in some cases, initial tension, to change dimensions (including repeat length) of the paper of one or more webs. Webs dimensionally-reformed in accordance with the techniques typically do not require subsequent variation of tension to maintain appropriate dimension, permitting any such tension variation to occur solely to enhance other aspects of the finishing processes.

Abstract: A plurality of detecting means 37, 38, 39, 40 are installed to detect a plurality of type specifying factors of work sheets W. A work sheet type identifying means 41 is installed to identify the types of the work sheets based on the factors detected by the detecting means 37˜40. A parameter selection means 42 is installed to select control parameters in accordance with the work sheet type identified by the work sheet type identifying means 41. A process control means 32 controls a processing means 3 based on the control parameters thus selected. The parameter selection means 42 is composed of a parameter memory means 44 and a parameter selection section 43. Said control parameters include a speed pattern of the ram, a hover height of the ram, a press torque in form-processing, and a number of tons for punching.

Abstract: A channel baler including a pressure channel, a plunger located in the pressure channel, a thrust crank drive for reciprocating the plunger in the pressure channel, and an element which provides for elastic yielding of at least one element of a pressure system including the pressure channel, the plunger and the thrust crank drive, in an axial direction by a path corresponding approximately to a thickness of a compressed bale upon a plunger power exceeding a predetermined value.

Abstract: The present invention relates to a servo press controller which can prevent the servo runaway caused by the malfunction of CPUs, the faults of a position sensor, or other troubles to thereby increase the safety of the servo press. For this purpose, first to third CPUs (21, 22, 23) each of which conducts a different control among the input of set data, the calculation of a servo position command, and the calculation of a servo speed command send and receive watch dog signals between itself and another CPU for monitoring each other's condition by checking whether the watch dog signals sent from the partner computer are normal or not, and, when there is an abnormality in any computer, stopping the servo press (1) for emergency.