Copper alloy filament for high-strength numerical control cutting line and process of copper alloy filament

Abstract

The invention discloses a copper alloy filament for a high-strength numerical control cutting line and a process of the copper alloy filament. The copper alloy filament is composed of the following components: 50-70% of copper (Cu); zinc (Zn): 5-15%; aluminum (Al): 5-15%; iron (Fe): 5-10%; the preparation method comprises the following steps: (1) preparing the copper alloy raw materials according to the proportion; (2) smelting the prepared copper alloy raw material at high temperature to form alloy liquid; and (3) spraying the alloy liquid into filaments through a nozzle, and rapidly cooling the filaments in a cooling medium to form copper alloy filaments. According to the copper alloy filament for the high-strength numerical control cutting line and the process of the copper alloy filament, through reasonable component design, the copper alloy filament has high strength and high abrasion resistance, and the requirement of the numerical control cutting line for the material performance can be met; the preparation process is simple, the production efficiency is high, and the cost is low; and through surface treatment, the wear resistance and oxidation resistance of the copper alloy filament are further improved, and the service life of the copper alloy filament is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of metal materials, and particularly to a copper alloy fine wire for high-strength numerical control cutting wire and its process. Background Technique

[0002] With the development of modern industry, numerical control cutting technology plays an important role in the high-precision and high-efficiency cutting of metal materials. As the core component of numerical control cutting equipment, the performance of the numerical control cutting wire directly affects the cutting quality and efficiency.

[0003] At present, the commonly used copper alloy fine wires for numerical control cutting wires on the market have problems such as insufficient strength and poor wear resistance, resulting in easy fracture or wear of the cutting wire during use, affecting the cutting effect and the service life of the equipment. Summary of the Invention

[0004] The purpose of the present invention is to provide a copper alloy fine wire for high-strength numerical control cutting wire and its process, so as to solve the problems of the copper alloy fine wire for high-strength numerical control cutting wire and its process in the current market.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: A copper alloy fine wire for high-strength numerical control cutting wire, which is composed of the following components:

[0006] Copper (Cu): 50 - 70%;

[0007] Zinc (Zn): 5 - 15%;

[0008] Aluminum (Al): 5 - 15%;

[0009] Iron (Fe): 5 - 10%;

[0010] Other trace elements: 0 - 5%.

[0011] Another technical solution provided by the present invention is a copper alloy fine wire for high-strength numerical control cutting wire and its process, including the following steps:

[0012] (1): Prepare the copper alloy raw materials according to the above ratio;

[0013] (2): Melt the prepared copper alloy raw materials at high temperature to form an alloy liquid;

[0014] (3): Spray the alloy liquid into a fine wire shape through a nozzle and quickly cool it in a cooling medium to form a copper alloy fine wire;

[0015] (4): Perform post-treatments such as stretching and annealing on the copper alloy fine wire to improve its strength and toughness;

[0016] (5): Surface treatment of copper alloy filaments to improve their wear resistance and oxidation resistance. Through reasonable composition design, the copper alloy filaments have high strength and high wear resistance, and can meet the requirements of the material properties for CNC cutting wires.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] (1) Through reasonable composition design, the copper alloy filaments have high strength and high wear resistance, and can meet the requirements of the material properties for CNC cutting wires.

[0019] (2) The preparation process is simple, the production efficiency is high, and the cost is low.

[0020] (3) Through surface treatment, the wear resistance and oxidation resistance of the copper alloy filaments are further improved, and their service life is extended. Specific embodiments

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] Embodiment 1:

[0023] A copper alloy filament for high-strength CNC cutting wire and its process. The above production and its application will be introduced in detail below. Its components are as follows:

[0024] Copper (Cu): 60%

[0025] Zinc (Zn): 10%

[0026] Aluminum (Al): 10%

[0027] Iron (Fe): 8%

[0028] Other trace elements: 4%

[0029] The preparation process is as follows:

[0030] Prepare the copper alloy raw materials according to the above ratio;

[0031] Melt the prepared copper alloy raw materials at 1200 °C to form an alloy liquid;

[0032] Spray the alloy liquid through a nozzle into filaments with a diameter of 0.2 mm and quickly cool them in water to form copper alloy filaments;

[0033] Conduct a stretching treatment on the copper alloy filaments to extend their length to 2 times the original length, and then conduct an annealing treatment;

[0034] The surface treatment of the copper alloy fine wire includes pickling, alkali washing and coating with a wear-resistant coating.

[0035] Example 2:

[0036] A copper alloy fine wire for high-strength numerical control cutting wire and its process are introduced in detail below. The components are as follows:

[0037] Copper (Cu): 65%

[0038] Zinc (Zn): 8%

[0039] Aluminum (Al): 12%

[0040] Iron (Fe): 6%

[0041] Other trace elements: 3%

[0042] The preparation process is as follows:

[0043] Prepare the copper alloy raw materials according to the above ratio;

[0044] Melt the prepared copper alloy raw materials at 1250 °C to form an alloy liquid;

[0045] Spray the alloy liquid through a nozzle into fine wires with a diameter of 0.15 mm and quickly cool them in oil to form copper alloy fine wires;

[0046] Conduct a stretching treatment on the copper alloy fine wire to extend its length to 2.5 times the original length, and then conduct an annealing treatment;

[0047] The surface treatment of the copper alloy fine wire includes pickling, alkali washing and coating with a wear-resistant coating.

[0048] It should also be noted that the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. Without further limitations, the element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, commodity or device including the element.

[0049] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A high-strength copper alloy filament for CNC cutting wire, characterized in that: The copper alloy filaments are composed of the following components: Copper (Cu): 50-70%; Zinc (Zn): 5-15%; Aluminum (Al): 5-15%; Iron (Fe): 5-10%; Other trace elements: 0-5%.

2. The high-strength copper alloy filament for CNC cutting wire and the process thereof according to claim 1, characterized in that: The following steps are involved: (i) Prepare the copper alloy raw materials according to the above proportions; (ii) melting the prepared copper alloy raw material at high temperature to form alloy liquid; (iii) The alloy liquid is sprayed into filaments through a nozzle and rapidly cooled in a cooling medium to form copper alloy filaments; (iv) Post-treatment of the copper alloy filaments such as stretching and annealing to improve their strength and toughness; (V): Surface treatment of copper alloy filaments to improve their wear resistance and oxidation resistance.