459results about "Copying process control systems" patented technology

A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes a base having an integrated magnet mount therein for attaching the arm to a magnetic surface.

User interface for reporting event-based production information in product manufacturing. Some of the disclosed embodiments include a system, method, computer-readable medium, and display device for processing data stored in a database. The data includes automatically collected event-based production information records in a manufacturing system wherein each record represents an event and includes a timestamp, an event code, and a measure of cost or production loss associated with the event. The embodiments are operable in an intelligent manufacturing system including a process for converting raw materials to a product, a process control system including one or more sensors capable of generating an alarm in response to an event that results in one of waste, machine delay, or decrease product quality, a data logger associated with the process control system for obtaining event parameters associated with the event, a database on a server for recording event parameters obtained by the data logger, and a reporting system cooperatively associated with the database for reporting productivity parameters regarding the process derived at least in part from the event parameters.

A portable coordinate measurement machine comprises an articulated arm having jointed arm segments. The arm includes joint assemblies which include at least one read head together with one or more (preferably five) sensors (preferably proximity sensors) in communication with a periodic pattern of a measurable characteristic, the pattern and read heads being positioned within the joint so as to be rotatable with respect to each other.

A method for improving the measurement accuracy of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. This method includes sensing deformation of a portion of the articulated arm when the arm is placed under a load, this deformation causing an error in the measurement made by the CMM, and correcting such error in response to the sensed deformation.

A method for providing feedback to the operator of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. The method includes sensing deformation of a portion of the articulated arm when the arm is placed under a load, the deformation being an indication of the magnitude of the external force being applied to the arm, and providing feedback to the operator of the CMM in response to the sensed external forces.

A fully automatic key duplicating machine. A master key alignment module is movably disposed into and out of proximity with a master key clamping module, the master key being aligned by the alignment module within the master key clamping module. A master key identification module is disposed in fixed relation to the master key clamping module and identifies a type of key secured in the master key clamping module. A central positioning base is provided automatically movable into and out of engagement with the key cutting module and optionally the alignment module, adapted to move the master key alignment module into proximity with the master key clamping module and adapted to secure a key blank to be cut at the key cutting module in accordance with the tooth pattern of a clamped master key.

A method for improving the measurement accuracy of a portable coordinate measurement machine which comprises an articulated arm having jointed arm segments is presented. This method includes sensing deformation of a portion of the articulated arm when the arm is placed under a load, this deformation causing an error in the measurement made by the CMM, and correcting such error in response to the sensed deformation.

A control device has a unit for preparing a pattern having first and second periods by comparing a triangular wave and a sine wave having an amplitude ratio set at each value of a modulation factor, and selecting one pattern corresponding to an instructed modulation factor, and a unit for applying a controlled voltage, set at low and high levels in response to first and second periods of the selected pattern, to a generator. The triangular wave has a cycle duration obtained by dividing the cycle duration of the generator by product of 3 and odd number, a crest having a level higher than the sine wave at a timing of each first period, and a trough having a level lower than the sine wave at a timing of each second period.

A cutting tool and track system includes a multi-segment track assembly configured to be removably attached to a surface of a workpiece, a carriage assembly configured to ride along the track assembly, a carriage drive mechanism arranged to drive the carriage assembly along the track assembly, a cutting tool assembly connected to the carriage assembly, and a tool driving system connected to the cutting tool assembly. The cutting tool assembly rotatably supports an end mill type cutting tool that may be driven in a radial cutting plane about the axis of a tubular workpiece or along a workpiece surface. A method is provided for cutting a workpiece wherein a cutting tool assembly rotatably supports an end mill mounted for travel along a predetermined transport path in a cutting plane about a central axis of the workpiece wherein the end mill is first fed through the wall thickness of the workpiece and the cutting tool assembly is moved along the transport path in the cutting plane to cut the workpiece.

The invention relates to an automatic machine tool, for the production of base structures, for false teeth, in particular, for tooth crowns and/or tooth bridges of exact three-dimensional shape. Said base structures may be fixed to prepared natural and/or artificial tooth stumps. The machine tool comprises a machine frame, or a body, a work piece carrier, with a rotation shaft, at least one digitization unit, at least one machining unit and an electronic arithmetic and control unit for all drive lines. A carrier for the workpiece, a blank, and/or for the machining unit(s), serves as displacement unit, with three translational axes in the x-, y- and z-directions. The digitization of the preparation model and the machining of the blank are carried out on the same machine tool, at different times. The machining paths for the blank are calculated from the measured and stored digitized data and a predetermined material-specific scaling factor, before the machining of the blank.

Methods and apparatus provide for: commutating windings of a polyphase machine such that electromagnetic fields of stator and rotor phases of the polyphase machine produce at least one of motoring and generating torque; providing a first rotor excitation voltage having substantially no DC component when a rotational speed of the polyphase machine is below a predetermined value; and providing a second rotor excitation voltage having a DC component when the rotational speed of the polyphase machine is above the predetermined value.

An apparatus for obtaining a desired cut in a workpiece and a method of using the same is provided. The apparatus has a base with a cutting member moveably coupled thereto. A scanner is coupled with the base for scanning the profile of the workpiece desired to be cut. A computing device may use information from the scanning process to control transverse and longitudinal stepper motors to move the cutting member through a desired cutting path to achieve a cut based on the profile of the workpiece, such as a cope cut. A user can store profiles of previously scanned workpieces in a memory component of the computing device.

A cluster mill blank includes a framework constructed to cooperate with a blank holder of an existing CAD/CAM system, and a plurality of sub-blanks attached to the framework forming an addressable matrix or cluster blank. CAD/CAM systems including such a framework, as well as associated methods are described.

A method for producing a key (50), wherein a data set (40) of a key is obtained by recording the surface of the key (10) and subsequently performing a data optimization (55), or from data of a data collection (46), in order to produce the key (50) from a semi-finished product clamped in a machine by a computer-controlled production method (9), wherein at least two different locking features are introduced into the semi-finished product.

A system for generating a motion profile in real time includes a processor. The processor breaks a move into a first phase and a second phase. The first phase includes commanding the move toward a constant velocity segment, and the second phase comprises calculating a jerk value required to successfully reach end conditions during a move in progress. The processor also transmits command signals based upon the motion profile and calculates the point at which the second phase must take control to reach a target position. The system further includes a device being controlled for a move and at least one input/output module that receives command signals. A method for generating a motion profile in real time is also presented.

A method in connection with a network converter, and a network converter, the network converter comprising two or more network converter modules coupled in parallel, and first control means for controlling the network converter modules. The method comprises the steps of controlling the network converter modules by the first control means, preventing or allowing use of one or more network converter modules in order to reconfigure the network converter during operation of the network converter.

The invention relates to an internal profile modeling tool apron which is used in a steel pipe flat-end-face chamfering device in a large-dimensional and straightly welded seam pipe production line and floats along the radial direction; the tool apron comprises a cutter head, of which the end face are symmetrically provided with four sliding base bodies along the radial direction; each sliding base body is provided with a floating tool apron by a connecting screw rod; a cutter is vertical to the side wall of a steel pipe and arranged on the outer end of the floating tool apron, namely, the end far from an axis; the rear part of the cutter is provided with screw threads which are connected with a cutter adjusting mechanism; the end faces and the middle part of the sliding base bodies are provided with a spring slots; a plurality of dish-shape springs are sheathed on the connecting screw rod and arranged in the spring slots; the outer end of the connecting screw rod is provided with a spring adjusting nut; floating stroke adjusting nuts are arranged on the connecting screw rod and at the inner end of the spring adjusting nut; a profile modeling rolling is arranged at the inner end of the floating tool apron and rolls against the interior wall of the steel pipe; the position of the cutter and the steel pipe wall are relatively fixed, thereby simultaneous penetration of four cutters on the cutter head, even turning, no easy collision of the cutters and high production efficiency are ensured. The invention also relates to an adjusting method of the cutters.

A tube cutting device comprises the frame, tube fastening rack and cutting torch enabling the turn of 180 degree of the tube, a low speed rotating shaft parallel with the cut round tube axis reciprocating along the axial, the deflector rod cross bar of the drive hinged with the floating shaft, a high and low location continuously adjustable along the support axial direction, with one end of the support cup jointing with the thrust pole of the floating shaft whose front end having a centripetal cutting torch. It can realize the cross cut, oblique, cross cut eccentric, and oblique cutting, with convenient usage and adaptable diameter, easy for production and cheap in cost, especially suitable for the mass transversal line cutting.