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| Number | Title | Issue Date |
| 7216519 | Strain monitoring for part quality analysis A device for determining the quality of a part includes a sensor for detecting a strain on a selected portion of a part forming machine. A controller utilizes the detected amount of strain to make a determination regarding the quality of a corresponding part. In one... | 05/15/2007 |
| 6474227 | Method of controlling synchronous drive of pressing machine and pressing machine usable in the method With a method of controlling synchronous drive of a plurality of pressing machines, each of the pressing machines has a motor, a drive shaft to which a torque of a flywheel driven by the motor is transmitted through a clutch and a slide driven by the driv... | 11/05/2002 |
| 6456898 | Press monitoring and control system A press monitoring and control system includes a press machine, a press configuration module and a press controller. The press machine has a lower die coupled to an upper die, wherein the lower die includes a top surface supporting a strip of material to ... | 09/24/2002 |
| 6089062 | Method for controlling, monitoring and checking a shaping procedure of a shaping machine, in particular riveting machine In a method for controlling, monitoring and checking a shaping procedure of a shaping machine, in particular riveting machine (R) on a workpiece (27) by means of a plunger (4) which is moved into contact with the workpiece (27), an upper plunger face (9) ... | 07/18/2000 |
| 6047579 | RF tag attached to die assembly for use in press machine A tag for use in a press machine includes a reprogrammable storage area provided in the form of a read/write memory for storing reprogrammable die information associated with the die assembly. A communications device provided in the form of a transceiver ... | 04/11/2000 |
| 5622069 | Stamping die with attached plc A metal stamping die for a punch press is provided that has a programmable logic microcontroller fixed directly to the die body of the stamping die. The programmable logic microcontroller is encased in epoxy resin to protect it from contaminants and to pr... | 04/22/1997 |
| 5564298 | Die tool and press monitor and product quality analysis apparatus and method A die tool wear monitor and analysis system identifies tooling wear, variations in the quality of the manufactured product, and undesired operational conditions within a press. A first signal indicates the angular position of a reciprocating ram and a sec... | 10/15/1996 |
| 4934165 | Computer controlled coiling machine A system for controllng the feeding of wire to a workstation for the formation of a coil spring by means of at least one moveable work tool that is disposed at the workstation and that is selectively operated to move to different positions in the formatio... | 06/19/1990 |
| 4873854 | Computer controlled coiling machine A computer controlled wire coiling machine having three separately controllable motors for controlling wire feed, pitch tool operation and diameter tool operation. The machine includes a computer having a keyboard for setting predetermined parameters ther... | 10/17/1989 |
| 4669289 | Coil spring manufacturing apparatus A coil spring manufacturing apparatus adapted to establish agreement between an amount of wire feed and an amount of the wire wound into a coil on a winding tool includes a winding tool rotated while being moved axially for winding the wire therearound, a... | 06/02/1987 |
| 4654812 | Simulation system A simulation system to make computers and automatic controllers for controlling the operation of a work processing system according to a predetermined sequence execute simulated control actions, having a unit which provides the logical sum of the output s... | 03/31/1987 |
| 4578972 | Apparatus for drawing wire A wire drawing apparatus includes a carriage movable along an elongated frame. A chuck is mounted on the frame for holding one end of a wire, and a drawing die is mounted on the carriage for passing the wire therethrough. An actuating device is connected ... | 04/01/1986 |
| 4386304 | Control drive for a ram adjustment device on a blanking press In control drives for high speed blanking presses, a serious problem of excessive tool wear arises from increases in the immersion depth of a top tool into its associated bottom tool when the stroke frequency increases. To overcome this, a control drive i... | 05/31/1983 |
| 4317353 | Tube twisting apparatus An automated apparatus for forming helical corrugations in a cylindrical tube and comprising a tail stock movable in alternate forward and reverse directions, a head stock disposed in spaced relation with respect to the tail stock whereby the tube may be ... | 03/02/1982 |
| 4018070 | Electro-mechanical drive for torsion winders and the like An electro-mechanical drive for use between mechanically independent master and slave rotary elements, as for example the cam shaft and spring winding spindle of a spring winding machine of the type commonly known as a torsion spring winder. A harmonicall... | 04/19/1977 |
