An apparatus for manufacturing a guitar string includes a table part; a holding part holds both ends of a first wire so that the first wire is rotatable; a winding part which is movable in a direction in which the first wire is extended, so that the winding part sequentially winds a second wire around on the outer surface of the first wire being rotated; and a supply part for supplying the second wire to the winding part, wherein the supply part includes a height measuring part; a first pulley part including a movable pulley and a movable body; a bobbin part around which the second wire has been wound; a motor part for rotating the bobbin part; and a control part which controls the speed of the second wire supplied to the winding part by controlling the operation of the motor part.

Provided are a systems and methods for continuously providing a metal wire to a welding torch for manufacturing objects by solid freeform fabrication to provide continuous deposition of metal to the freeform object, especially objects made with titanium or titanium alloy wire.

An unwinding system includes a detector assembly configured to detect a position of a fiber unwound from a bobbin and the presence of fuzz. The system further includes a controller configured to adjust at least one of a lateral position or a rotational speed of the bobbin based on at least one of the position of the fiber tow or the presence of fuzz.

A spool unloading device comprising: a spindle; a first bulk spool of material is mounted on the spindle, wherein the spindle is rotatably controlled to dispense the material; a series of pulleys for receiving the unspooled material such that a variable length of the material is stored within the device before exiting the device to an upstream equipment; and a drive mechanism for indexing the unspooled material exiting the spool unloading machine at a controlled rate.

An apparatus for manufacturing a guitar string includes a table part; a holding part holds both ends of a first wire so that the first wire is rotatable; a winding part which is movable in a direction in which the first wire is extended, so that the winding part sequentially winds a second wire around on the outer surface of the first wire being rotated; and a supply part for supplying the second wire to the winding part, wherein the supply part includes a height measuring part; a first pulley part including a movable pulley and a movable body; a bobbin part around which the second wire has been wound; a motor part for rotating the bobbin part; and a control part which controls the speed of the second wire supplied to the winding part by controlling the operation of the motor part.

A tensioning device for a wired energy or data transmission path includes a winding drum, a cable guide wire stored on the winding drum, and a spring accumulator. The winding drum is rotatable by an electrical drive for winding and unwinding the cable guide wire. The spring accumulator is operably exerting a resilient tensile force on a wire portion unreeled from the winding drum.

An example welding wire feeder includes: a push motor configured to feed welding wire from a wire source; a first sensor configured to provide push motor velocity feedback; and control circuitry configured to control the push motor and a pull motor of a welding torch coupled to the welding wire feeder by: controlling a push motor velocity of the push motor and a pull motor velocity of the pull motor based on a target wire feed speed; and compensating each of the push motor velocity of the push motor and the pull motor velocity of the pull motor based on the push motor velocity feedback and based on pull motor velocity feedback, wherein the push motor velocity and the pull motor velocity are based on a target wire tension.

A method of winding coilware via a winding machine having a plurality of winding devices, which are drivable by a plurality of drives which comprise at least a supply roll and a winding body, includes providing the coilware from the supply roll and winding the coilware over at least one deflection roll onto the winding body, where at least one drive is adjusted as a function of a position-dependent compensation signal at least partly compensating a defect, and where the position-dependent compensation signal for the drive is provided by acquiring a time domain interference variable during a winding operation, transforming the acquired interference variable into a frequency domain spectrum, filtering the spectrum via a filter specific to the winding device assigned to the drive, transforming the filtered spectrum back into the time domain to provide a time-dependent compensation signal, and transforming the time-dependent compensation signal into the position-dependent compensation signal.

Method and system for feeding a twisted metal cable braided into a plurality of braids or a flat wire from a support or spool to a winder or winding machine, including unwinding the cable or wire from the spool, measuring a property of the cable or wire from among its tension, velocity and quantity, possible adjustment of the property and feeding the cable or wire to the machine with the property constant. The cable or wire is unwound in a controlled way in a direction at right angles to the axis of the spool directly from such spool or through a return member which receives the cable or wire from the spool from which it is unwound in an uncontrolled way, such controlled unwinding preventing the cable changing the structure of its braids through loosening or stretching and the wire undergoes torsion before its property is measured.

A spindle unit includes a support shaft, an electromagnetic air-gap brake, a spindle member, and a coupler. The support shaft is attached to the stationary frame of a creel. The brake is connected to the front end of the support shaft. The spindle member is rotatably supported by the support shaft in a state in which the support shaft and the brake are inserted in the spindle member. The coupler couples the spindle member and the brake shaft.