摘要:
A stranding element (V) includes a stationary storage container (2) for the material to be stranded, and at least one rotating guiding device (1, 5, 6, 6a) for guiding the material to the stranding region (3) substantially parallel to the rotational axis of guiding device (1, 5, 6, 6a). The guiding device (1, 5, 6, 6a) is rotatably mounted in support structure (10), in particular in bearing arrangement (L). The bearing arrangement (L) lies completely within the circle of rotation of the material, and is secured to support structure (10) via a retaining arrangement (H) extending from the bearing arrangement (L) radially outwards beyond the circle of rotation of the material, and axially spaced from the guiding device (1, 5, 6, 6a). The retaining arrangement (H) has a passage that opens temporarily to allow the material to pass through in the circumferential direction and that follows the circle of rotation of the material.
摘要:
A wire, strand, or cable guide element (EG) for a flyer bow for assembling/twisting/braiding the wire, strand, or cable has an inner surface (SI) which defines the travel path of the wire, strand, or cable (PF) and which consists of alternating adjacent micro-bumps (MB) and micro-recesses (MC). The flyer bow at least partially or entirely surrounds the wire, strand, or cable by means of a member (C) and has a longitudinal orifice or inner tube (O) in the mass of said member (C), said orifice or inner tube (O) extending along the entire length of the bow. The wire, strand, or cable guide element (EG) is accommodated within said orifice (O) so as to guide the longitudinal travel of the wire, strand, or cable.
摘要:
A wire, strand, or cable guide element (EG) for a flyer bow for assembling/twisting/braiding the wire, strand, or cable has an inner surface (SI) which defines the travel path of the wire, strand, or cable (PF) and which consists of alternating adjacent micro-bumps (MB) and micro-recesses (MC). The flyer bow at least partially or entirely surrounds the wire, strand, or cable by means of a member (C) and has a longitudinal orifice or inner tube (O) in the mass of said member (C), said orifice or inner tube (O) extending along the entire length of the bow. The wire, strand, or cable guide element (EG) is accommodated within said orifice (O) so as to guide the longitudinal travel of the wire, strand, or cable.
摘要:
In a method of manufacturing a stranded conductor for use in an electric power cable, the cross-sectional shapes of wires being drawn towards or through a rotatably driven lay plate by which the wires are laid helically in a layer around the axis of the conductor are so modified that, on emerging from the lay plate and passing into at least one die downstream of the lay plate, the wires of modified cross-sectional shape fit tightly together and, if present, around a central wire or a preceding layer of helically applied wires. The wires of each layer preferably are initially of the same cross-sectional shape and size as one another, e.g. approximately circular, and, preferably, the modified cross-sectional shapes imparted to the wires of each layer are the same as one another, e.g. approximating to a sector of an annulus. No compacting of the wires is required in the die or dies and, as a consequence, a capstan drawing the wires through the die or dies is not subjected to a undesirable load.
摘要:
An apparatus and method are described for producing compact stranded conductors on single and double twist machines. This is achieved by preshaping and metering the preshaped wires to have generally sectored cross-sectional profiled complementary configurations and positioning and orienting the preshaped wires to substantially correspond to their positions and orientations in relation to the core wire in the final compact twisted conductor. The wires are metered to a double twist strander which is used to initially twist the preshaped wires about the core wire in a generally loose construction, and these wires are subsequently locked into abutment against each other when imparted a second twist to form the compact composite conductor.
摘要:
According to embodiments of the present invention, a stranded conductor is formed in which the occurrence of defects, such as strand unevenness of filaments and outward protrusion of filaments, is inhibited. According to embodiments of the present invention, a stranded conductor (1a) includes soft filaments (2a) stranded together. The soft filaments (2a) include a soft filament made of an aluminum material, disposed along a center (101), and include six soft filaments, twelve soft filaments, and eighteen soft filaments made of an aluminum material, disposed around and concentrically with the center. The filaments are softened filaments that are softened. A lay length (Pa) is from 6.2 times to 15.7 times a conductor diameter of the stranded conductor.
摘要:
In a first embodiment, the invention relates to a stranding machine for wires having two wrap-around rollers having wrap-around tracks arranged on the circumference thereof, whereby the wire can be guided in such a way that the wire runs through the first and second wrap-around tracks preferably in alternation in preferably 8-shaped or 0-shaped wraps. In a second embodiment, the stranding machine has a winding device for winding the wire onto a reel having a laying device that can be moved along a movement axis parallel to the reel axis and having a plurality of rotatably supported deflecting rollers, whereby the wire can be guided in such a way that the wire runs onto and/or from each of the deflecting rollers substantially in the plane of rotation of the deflecting roller. In this way, the produced wire has lower twist and lower torsional stresses, which makes the further processing of the wire, in particular the winding, assembly, crimping, and extrusion of a plastic insulation around the wire easier and which increases the number of possible bending reversal cycles.
摘要:
A method for determining the compression level of a node by compacting and welding electrical lines inserted into a compression chamber of an ultrasonic welding system, the compression chamber having an adjustable height and width. The method includes inserting the lines into the compression chamber, compacting the lines, determining the compacting cross section of the compacted lines, determining the actual total cross section via a correlation function taking the compacting cross section into account, welding the compacted node with a welding parameter set, determining the welding dimension from the height (h2) and width (b) of the compression chamber after welding, and calculating the compression level based on the actual total cross section and the welding dimensions.
摘要:
An apparatus (310) for manufacturing stranded cables comprises a supply spool assembly (320, 322) having filaments wound thereon, and a flyer (316) mounted for rotation about a central axis for imparting a rotational movement to the filaments, while guiding them axially through the apparatus (310). The filaments are wound together as they pass a gathering point centrally disposed to the central axis and downstream of the flyer (316). A filament advancing assembly (16) is provided downstream of the gathering point to impart an advancing speed to the filaments. A control system allows for the control of the number of revolutions of the flyer (316) per unit length of filaments advancing through the gathering point to ensure that a constant helical pitch is obtained. The tension in the filaments is controlled by creating an adjustable opposition to the pulling action of the filament advancing assembly (16) on the filaments thereby ensuring the production of a high quality stranded cable.