Wet drawing method of Al-enclosing steel wires for electrotechnics
An aluminum-clad steel wire and wet-drawing technology is applied in the field of the wet-drawing method of aluminum-clad steel wire for electricians, which can solve the problem of uneven feeding, and achieve the effects of reducing the wire breakage rate, good outer diameter consistency, and consistent stress.
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[0011] Example 1
[0012] The technical process of wet drawing method of aluminum clad steel wire for electrician is as follows:
[0013] 1. According to different electrical conductivity, the semi-finished aluminum-clad steel wire is produced on the coating production line; the semi-finished aluminum-clad steel wire (the aluminum-clad steel wire coated on the coating production line) is placed on the pay-off frame of the wire drawing production line;
[0014] 2. The semi-finished aluminum-coated steel wire is drawn through a wire drawing machine and a wire drawing die for 6-12 passes. During drawing, the cavity of the wire-drawing die is filled with continuous constant pressure grease to keep the gap between the aluminum-coated steel wire and the wire drawing die. Balanced grease film rather than direct contact; both the drawing die and the drawing grease must be cooled with cooling water during the production process; the grease can be butter or aluminum disulfide grease.
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Example Embodiment
[0016] Example 2
[0017] The technical process of wet drawing method of aluminum clad steel wire for electrician is as follows:
[0018] 1. According to different electrical conductivity, the semi-finished aluminum-clad steel wire is produced on the coating production line; the semi-finished aluminum-clad steel wire (the aluminum-clad steel wire coated on the coating production line) is placed on the pay-off frame of the wire drawing production line;
[0019] 2. The semi-finished aluminum-coated steel wire is drawn through a wire drawing machine and a wire drawing die for 6-12 passes. During drawing, a continuous constant pressure emulsion is filled into the drawing die cavity to keep the gap between the aluminum-coated steel wire and the wire drawing die. Balanced emulsion film rather than direct contact; both the wire drawing die and the wire drawing emulsion must be cooled with cooling water during the production process; the emulsion can be used for metal cutting machine ...
Example Embodiment
[0021] Example 3
[0022] The technical process of wet drawing method of aluminum clad steel wire for electrician is as follows:
[0023] 1. According to different electrical conductivity, the semi-finished aluminum-clad steel wire is produced on the coating production line; the semi-finished aluminum-clad steel wire (the aluminum-clad steel wire coated on the coating production line) is placed on the pay-off frame of the wire drawing production line;
[0024] 2. The semi-finished aluminum-coated steel wire is drawn through a wire drawing machine and a wire-drawing die for 6-12 passes. During drawing, the cavity of the wire-drawing die is filled with a continuous constant pressure emulsion and a lubricant prepared by other media to make the aluminum-coated steel wire. A balanced lubricating film is always maintained between the steel wire and the drawing die instead of direct contact; both the drawing die and the drawing lubricant must be cooled with cooling water during the p...
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