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Manufacturing method of multi-purpose zinc clad steel

A manufacturing method, zinc-clad steel technology, applied in the field of multi-purpose zinc-clad steel manufacturing, can solve problems such as chemical pollution, and achieve the effects of uniform zinc layer thickness, flexible production, and flexible adjustment of zinc layer thickness

Active Publication Date: 2019-03-22
HENAN TONG CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the chemical pollution of the current zinc-clad steel production, there are serious environmental protection risks, and zinc-clad steel for different purposes needs to adopt different production processes, the purpose of this invention is to propose a manufacturing method for multi-purpose zinc-clad steel

Method used

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  • Manufacturing method of multi-purpose zinc clad steel
  • Manufacturing method of multi-purpose zinc clad steel
  • Manufacturing method of multi-purpose zinc clad steel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] a. Rough drawing: Select Ф5.5mm Q195 hot-rolled wire rod, use bending peeling to remove scale, enter high-speed continuous wire drawing machine, use calcium-based wire drawing powder and pressure die to draw into Ф3.2mm steel wire (tensile strength 480MPa), use 1250mm steel I-shaped wheel for shafting and take-up.

[0016] b. Steel wire cladding: 1250mm steel I-shaped wheel is put into the belt machine, choose 80-mesh abrasive belt, grind the surface of the steel wire online, and blow off the surface of the steel wire with an online air knife; heat the steel wire in the online intermediate frequency furnace to 250 degrees; select two discs Ф9 .5mm pure zinc wire rod, cladding guide die Ф3.4mm, extrusion die Ф3.4mm, the extrusion die and guide die are assembled in the cavity of the coating machine, the nose groove size of the extrusion die and guide die is 3.0mm ;The temperature of the mold cavity is heated to 200 degrees, the extrusion wheel is conveyed for 3 turns, ext...

Embodiment 2

[0021] a. Rough drawing: Select Ф12mm Q195 hot-rolled wire rod, use bending peeling to remove scale, enter high-speed continuous wire drawing machine, use calcium-based wire drawing powder and pressure die to draw into Ф11.5mm steel wire (tensile strength 450MPa), use 1250mm steel wire The I-shaped wheel makes the shaft and takes up the line.

[0022] b. Steel wire covering. The 1250mm steel I-shaped wheel is put into the abrasive belt machine, and the 80-mesh abrasive belt is selected, the surface of the steel wire is polished online, and the surface of the steel wire is blown clean by an online air knife; the steel wire is heated to 250 degrees in the online intermediate frequency furnace; two discs of Ф9.5mm pure zinc wire rod are selected , the coating guide die is Ф11.7mm, the extrusion die is Ф12mm, the extrusion die and the guide die are assembled in the cavity of the coating machine, and the distance between the nose groove of the extrusion die and the guide die is 5.0...

Embodiment 3

[0025] Example 3: a. Rough drawing: select Ф5.5mm Q195 hot-rolled wire rod, and use bending peeling to remove oxygen

[0026] The iron sheet is melted into a high-speed continuous wire drawing machine and drawn into a Ф2.0mm steel wire (tensile strength 480MPa) by using calcium-based wire drawing powder and a pressure die, and the wire is drawn by a 1250mm steel I-shaped wheel.

[0027] b. Steel wire covering. The 1250mm steel I-shaped wheel is put into the abrasive belt machine, and the 120-mesh abrasive belt is selected, the surface of the steel wire is polished online, and the surface of the steel wire is blown clean by an online air knife; the steel wire is heated to 250 degrees in the online intermediate frequency furnace; two discs of Ф9.5mm pure zinc wire rod are selected , Coating guide die Ф2.2mm, extrusion die Ф4.0mm, nasal groove size 3.0mm are assembled in the mold cavity of the coating machine, the temperature of the mold cavity is heated to 200 degrees, the extru...

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Abstract

The invention belongs to the technical field of electric power, and particularly relates to a manufacturing method of multi-purpose zinc clad steel. The manufacturing method comprises the following steps that chemical-free environment-friendly treatment is performed on the surfaces of steel wires; surface cleaning treatment is performed on the steel wires by the aid of a belt sander; the cleaned steel wires are heated by an intermediate-frequency furnace, then the steel wires and two zinc rods enter a continuous cladding machine simultaneously for extruding, the zinc clad steel is obtained, the heating temperature of the intermediate-frequency furnace is controlled to range from 200 DEG C to 250 DEG C, an extruding mold and a guiding mold are assembled on the cladding machine according tothe product requirements, the nasal fossa sizes for mold assembly are controlled to range from 3 mm to 6 mm according to the diameters of the steel wires, the mold cavity temperatures are controlled to range from 150 DEG C to 250 DEG C, the rotating speed of an extruding wheel is controlled to range from 3 rpm to 7 rpm, and the extruding speed is controlled to range from 70 m / min to 120 m / min; andcomposite metal drawing is performed on zinc clad steel busbars after cladding. According to the method, the whole production process is free of chemical pollution, the method is different from all existing zinc clad steel technologies, and flexible production is realized.

Description

technical field [0001] The invention belongs to the technical field of electric power, and in particular relates to a method for manufacturing multipurpose zinc-clad steel. Background technique [0002] At present, zinc-clad steel is widely used in the field of electric power, and the manufacturing methods are different according to the purpose of use. There are three main methods: 1. Use a container to heat the zinc block and coat it on the surface of the steel wire; 2. Use the heated zinc block to extrude it. Press on the surface of the steel wire; 3. Electroplate a layer of zinc on the surface of the steel wire by electroplating; the first method is mainly used for galvanized steel wire for overhead conductors. There is a gap between the steel wire and the zinc layer, which is very easy It falls off, which greatly reduces its anti-corrosion life. It is difficult to ensure the uniformity of the thickness of the galvanized layer, and the production of thick galvanized is ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C37/04
CPCB21C37/04
Inventor 钟卓华曲洪普陈少伟李高杰伍娅玲赵大贝杨坤坤
Owner HENAN TONG CABLE
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