Support wire feed hollow swinging

The present invention relates to an arrangement for a cable or any other line member with respect to a robot arm. The present invention also relates to an industrial robot to which such a cable arrangement is applied. Arc-welding robots are equipped with a welding wire feeder so that supplementary filler wire consumable electrode , unwound from a wire reel, is fed to the welding torch. At the torch, the wire is melt with electric energy to perform welding continuously. The wire feeder is provided with presser rollers for forwarding the filler wire under pressure to the welding torch. Arc-welding robots typically have multiple joints.
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22.10.2019
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Overhead line

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Overhead line - Wikipedia

An overhead line or overhead wire is used to transmit electrical energy to electric trains , trolleybuses or trams. It is known variously as:. In this article, the generic term overhead line is used, as used by the International Union of Railways. An overhead line consists of one or more wires or rails , particularly in tunnels situated over rail tracks , raised to a high electrical potential by connection to feeder stations at regular intervals. The feeder stations are usually fed from a high-voltage electrical grid.
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US3437114A - Machine for making a wire cage - Google Patents

The longitudinal wires are advanced axially, and the helix wire is fed through the hollow shaft and is deflected by rollers on the flyer into a circumferential path within the longitudinal wires. Welding devices join the helix wire to each of the longitudinal wires to form the cage, and a brake impedes rotation of the flyer. The diameter of the wire cage is controlled by adjusting the radial position of the advancing devices for the longitudinal wires. This invention relates to apparatus for making reticulated wire structures and is particularly directed to a machine for making a wire reinforcing cage to be embedded in a concrete member such as a pipe, a post or other concrete structure. Prior machines for making reinforcing wire cages of this general type have been cumbersome, relatively inflexible, and expensive.
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