High-strength anti-corrosion wear-resisting sawing wire and manufacturing method thereof

A cutting steel wire and high-strength technology, which is applied in the field of solar silicon wafer cutting steel wire, can solve the problems of high production cost and finished product price, high price of diamond powder, and lack of industrialization, etc., and achieve low production cost, energy-saving operability, The effect of easy operation

Inactive Publication Date: 2013-04-03
NINGXIA ORIENT TANTALUM IND
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Problems solved by technology

However, the raw materials used in this process, the production cost and the price of the finished product are relatively high (the diamond powder is expensive and the process is complicated), and it has not yet achieved industrialization

Method used

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Embodiment Construction

[0019] The preparation of the cutting steel wire of the present invention mainly includes high-carbon steel wire rod undergoing large drawing, middle wire heat treatment, middle drawing, heat treatment and coating and wet drawing process. The improvement lies in the premise that the processes such as heat treatment, pickling and water washing are unchanged Next, the method of electroless nickel-cobalt-phosphorus plating is used instead of the electroplating brass process. The whole process is: wire unwinding→heat treatment→AQUA quenching→pickling activation→cold water washing→hot water washing→induction→electroless plating→water washing and drying→winding up. Wherein the process of setting out, heat treatment, AQUA quenching, pickling activation, cold water washing, and hot water washing follows the process in the electroplating process in the traditional cutting steel wire, and the rest of the processes are the processes produced by the present invention.

[0020] The specifi...

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Abstract

The invention relates to a high-strength anti-corrosion wear-resisting sawing wire and a manufacturing method thereof. A chemical coating method is adopted in the invention, so that an amorphous nickel-cobalt-phosphor alloy coating layer with thickness being 3-5 microns is formed on the surface of the sawing wire, wherein the coating with high phosphor content has strong anti-corrosion and wear-resisting capacity, so that the sawing wire is prevented from being corroded in the environment. The sawing wire provided by the invention has strong anti-corrosion and wear-resisting performance, and therefore the storage period of the sawing wire is greatly prolonged and the yield and the stable performance of the sawing wire are improved; moreover, the production process is simple, production cost is low, and the advantages of economical efficiency, energy conversation and strong maneuverability are achieved.

Description

technical field [0001] The invention relates to a solar silicon chip cutting steel wire in the photovoltaic industry, in particular to a high-strength corrosion-resistant and wear-resistant cutting steel wire and a preparation method thereof. Background technique [0002] Cutting wire is a steel wire used to carry mortar to cut single (poly)crystalline silicon ingots into silicon wafers for solar power generation. [0003] In the prior art, the production of cutting steel wire mainly consists of five processes of high-carbon steel wire rod, which are heavy drawing, medium wire heat treatment, medium drawing, heat treatment and brass plating, and wet drawing. The reason for the copper plating of the cutting steel wire is that on the one hand, the copper layer plays a certain lubricating role in the wet drawing process to facilitate the deformation and drawing of the steel wire; In the process, it can provide a certain anti-corrosion and anti-rust effect, thereby reducing the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B1/00C23C18/36
Inventor 刘卫国杜领会王玉任萍
Owner NINGXIA ORIENT TANTALUM IND
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