阅读说明：本技术 一种树脂电镀金刚线生产工艺 (Production process of resin electroplating diamond wire ) 是由 张伟 庄正伟 于 2021-10-14 设计创作，主要内容包括：本发明涉及金刚线技术领域,且公开了一种树脂电镀金刚线生产工艺,包括以下步骤：S1、选取金刚石磨粒并对其表面进行清洗处理；S2、选取钢线并对钢线的表面进行清洗处理；S3、制备可电镀树脂溶液；S4、向制备的可电镀树脂溶液中,添加处理好的金刚石磨粒并搅拌均匀；S5、将添加了金刚石磨粒的可电镀树脂溶液均匀的涂覆到处理好的钢线表面上；S6、将涂覆好的钢线放入350-750度的烘烤箱中加热5-20分钟进行初步固化；S7、将初步固化好的钢线进行电镀。该树脂电镀金刚线生产工艺,通过使用电镀加树脂结合的方式缩小了成本,提高了扭曲断裂强度和弯曲强度,且保证了金刚石磨粒的固结强度,能使金刚石磨粒均匀附着到钢线上,避免了不必要的浪费。(The invention relates to the technical field of diamond wires and discloses a production process of a resin electroplating diamond wire, which comprises the following steps: s1, selecting diamond abrasive grains and cleaning the surfaces of the diamond abrasive grains; s2, selecting a steel wire and cleaning the surface of the steel wire; s3, preparing an electroplatable resin solution; s4, adding the processed diamond abrasive particles into the prepared electroplatable resin solution and uniformly stirring; s5, uniformly coating the electroplatable resin solution added with the diamond abrasive particles on the surface of the treated steel wire; s6, placing the coated steel wire into a baking box at 350-750 ℃ to be heated for 5-20 minutes for primary curing; and S7, electroplating the steel wire after primary solidification. This resin electroplating buddha's warrior attendant line production technology through using the mode of electroplating with resin combination to reduce the cost, has improved distortion breaking strength and bending strength, and has guaranteed the consolidation strength of diamond grit, enables the diamond grit and evenly adheres to the copper wire on, has avoided unnecessary extravagant.)

1. A production process of a resin electroplating diamond wire is characterized by comprising the following steps: the method comprises the following steps:

s1, selecting diamond abrasive grains and cleaning the surfaces of the diamond abrasive grains;

s2, selecting a steel wire and cleaning the surface of the steel wire;

s3, preparing an electroplatable resin solution;

s4, adding the processed diamond abrasive particles into the prepared electroplatable resin solution and uniformly stirring;

s5, uniformly coating the electroplatable resin solution added with the diamond abrasive particles on the surface of the treated steel wire;

s6, placing the coated steel wire into a baking box at 350-750 ℃ to be heated for 5-20 minutes for primary curing;

s7, electroplating the primarily solidified steel wire;

s8, placing the electroplated steel wire into a baking box with the temperature of 300 ℃ and 500 ℃ to heat for 12-36 hours for secondary solidification.

2. The process for producing a resin plated diamond wire according to claim 1, wherein: the method for selecting diamond abrasive grains and cleaning the surfaces of the diamond abrasive grains in the step S1 includes: selecting diamond abrasive particles with the diameter of 5-50 microns, firstly using 25-35g/L sulfamic acid solution to carry out acid washing on the diamond powder for 10 minutes at normal temperature, and then washing the diamond powder clean; then NaOH solution with the concentration of 25-35g/L and the temperature of 50 ℃ is used for carrying out alkali washing on the diamond powder for 10 minutes, and then the diamond powder is washed clean with water; then adding at least one of primary amine salt, secondary amine salt or tertiary amine salt into the cleaned diamond abrasive particles, stirring for 20 minutes at the temperature of 55-65 ℃, then washing the diamond abrasive particles clean, and drying the diamond abrasive particles at the temperature of 80 ℃; and adding at least one of primary amine salt, secondary amine salt or tertiary amine salt into the dried diamond abrasive particles, stirring for 20 minutes at 55-65 ℃, washing with water, and drying at 80 ℃.

3. The process for producing a resin plated diamond wire according to claim 1, wherein: the method of selecting a steel wire and cleaning the surface of the steel wire in S2 is the same as the method of S1.

4. The process for producing a resin plated diamond wire according to claim 1, wherein: the method for preparing the electroplatable resin solution in the S3 comprises the following steps: the components in parts by weight are selected from 5-35 parts of styrene butadiene acrylonitrile resin, 30-50 parts of styrene acrylonitrile copolymer, 20-40 parts of styrene butadiene acrylonitrile rubber powder, 1-1.5 parts of ethylene-acrylic acid copolymer, 1-1.5 parts of antioxidant, solubilizer, lubricant, heat stabilizer, mold release agent and at least one of ultraviolet absorbent, and then the components are uniformly mixed by a high-speed mixer, and then the mixture is added into a double-screw extruder, the processing temperature is controlled at 175-185 ℃, the screw rotating speed is controlled at 120-560 rpm, and the mixture is melted, blended and extruded by the double-screw extruder.

Technical Field

The invention relates to the technical field of diamond wires, in particular to a production process of a resin electroplating diamond wire.

Background

Diamond wire is also called diamond wire, diamond cutting wire or diamond wire, and many hard materials in industry are cut by cutting steel wire or higher quality gold steel wire, such as polycrystalline silicon slices, monocrystalline silicon and crystal bars in the photovoltaic field. The material of the cutting steel wire is very important, and excessive wire breakage, poor product quality and the like are related to the material of the steel wire in the using process. The mainstream silicon slice cutting line used in the photovoltaic field is an ultra-fine cutting steel wire with the diameter of about 120um, the raw material adopts high-carbon steel, and the material quality is different from 80C, 86C and 90C. Diamond cutting lines, as the name implies, are associated with diamonds. In general, diamond cutting wires are made by embedding fine particles of diamond on a cutting steel wire. Diamond is known to be ultra hard and to be used in a wide variety of cutting materials. The diamond wire has the micro saw teeth of the diamond, the cutting capability of the steel wire is improved, and the cutting speed and the cutting capability can be greatly accelerated. The gold steel wire is a revolutionary progress for the solar silicon material cutting industry. Therefore, people generally expect that the application of the method in the future will be very wide and the cost is high.

Existing diamond wires typically employ electroplating and the use of resin bonding agents to consolidate diamond grit to the wire. The solidification effect is good and stable by adopting a pure electroplating mode, but the torsional breaking strength and the bending strength are low, so that the cutting is easily influenced by breaking; the electroplating cost is high, and particularly when the diameter of the steel wire needs to be reduced, the thickness of the plating layer needs to be correspondingly thickened in order to ensure the consolidation effect, so that the cost is further increased; the method adopts a resin bonding agent mode, so that the diamond abrasive particles with low bonding strength are easy to fall off; and the abrasion resistance and heat resistance of the resin are low, so that the cutting of hard materials is difficult to meet.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a production process of a resin electroplating diamond wire, which has the advantages that the cost is reduced by using a mode of combining electroplating and resin, the torsional breaking strength and the bending strength are improved, the consolidation strength of diamond abrasive particles is ensured, the diamond abrasive particles can be uniformly attached to a steel wire, unnecessary waste is avoided, and the like, and the problem that the existing diamond wire is usually consolidated on the steel wire by adopting a mode of electroplating and practical resin bonding agent is solved. The solidification effect is good and stable by adopting a pure electroplating mode, but the torsional breaking strength and the bending strength are low, so that the cutting is easily influenced by breaking; the electroplating cost is high, and particularly when the diameter of the steel wire needs to be reduced, the thickness of the plating layer needs to be correspondingly thickened in order to ensure the effect of the bone ring, so that the cost is further increased; the method adopts a resin bonding agent mode, so that the diamond abrasive particles with low bonding strength are easy to fall off; and the abrasion resistance of the resin is low, so that the cutting of hard materials is difficult to meet.

In order to achieve the purposes that the cost of reducing electricity without using electroplating is improved, the torsional fracture strength and the bending strength are improved, the consolidation strength of diamond abrasive particles is ensured, the diamond abrasive particles can be uniformly attached to a steel wire, and unnecessary waste is avoided, the invention provides the following technical scheme: a production process of a resin electroplating diamond wire comprises the following steps:

s1, selecting diamond abrasive grains and cleaning the surfaces of the diamond abrasive grains;

s2, selecting a steel wire and cleaning the surface of the steel wire;

s3, preparing an electroplatable resin solution;

s4, adding the processed diamond abrasive particles into the prepared electroplatable resin solution and uniformly stirring;

s5, uniformly coating the electroplatable resin solution added with the diamond abrasive particles on the surface of the treated steel wire;

s6, placing the coated steel wire into a baking box at 350-750 ℃ to be heated for 5-20 minutes for primary curing;

s7, electroplating the primarily solidified steel wire;

s8, placing the electroplated steel wire into a baking box with the temperature of 300 ℃ and 500 ℃ to heat for 12-36 hours for secondary solidification.

Preferably, in S1, the method of selecting diamond abrasive grains and cleaning the surface thereof includes: selecting diamond abrasive particles with the diameter of 5-50 microns, firstly using 25-35g/L sulfamic acid solution to carry out acid washing on the diamond powder for 10 minutes at normal temperature, and then washing the diamond powder clean; then NaOH solution with the concentration of 25-35g/L and the temperature of 50 ℃ is used for carrying out alkali washing on the diamond powder for 10 minutes, and then the diamond powder is washed clean with water; then adding at least one of primary amine salt, secondary amine salt or tertiary amine salt into the cleaned diamond abrasive particles, stirring for 20 minutes at the temperature of 55-65 ℃, then washing the diamond abrasive particles clean, and drying the diamond abrasive particles at the temperature of 80 ℃; and adding at least one of primary amine salt, secondary amine salt or tertiary amine salt into the dried diamond abrasive particles, stirring for 20 minutes at 55-65 ℃, washing with water, and drying at 80 ℃.

Preferably, the method of selecting a steel wire and cleaning the surface of the steel wire in S2 is the same as the method of S1.

Preferably, the method for preparing the electroplatable resin solution in the S3 is as follows: the components in parts by weight are selected from 5-35 parts of styrene butadiene acrylonitrile resin, 30-50 parts of styrene acrylonitrile copolymer, 20-40 parts of styrene butadiene acrylonitrile rubber powder, 1-1.5 parts of ethylene-acrylic acid copolymer, 1-1.5 parts of antioxidant, solubilizer, lubricant, heat stabilizer, mold release agent and at least one of ultraviolet absorbent, and then the components are uniformly mixed by a high-speed mixer, and then the mixture is added into a double-screw extruder, the processing temperature is controlled at 175-185 ℃, the screw rotating speed is controlled at 120-560 rpm, and the mixture is melted, blended and extruded by the double-screw extruder.

Compared with the prior art, the invention provides a production process of a resin electroplating diamond wire, which has the following beneficial effects:

1. according to the production process of the resin-plated diamond wire, diamond abrasive particles are fixed on a steel wire by a method of combining plating and resin bonding agent, so that the production process has the advantages of the resin bonding agent, the torsional breaking strength and the bending strength of the diamond wire are improved, and the possibility of breaking in the cutting process of the diamond wire is reduced.

2. According to the production process of the resin electroplating diamond wire, diamond abrasive particles are consolidated on a steel wire by a method of combining electroplating and a resin binder, so that the thickness of a coating is reduced, and the electroplating cost is reduced.

3. According to the production process of the resin electroplating diamond wire, the diamond abrasive particles are prepared into the resin capable of being electroplated, so that the consolidation strength of the diamond abrasive particles and the resin is enhanced through electroplating after the diamond abrasive particles are consolidated on a steel wire through the resin, and the possibility that the diamond abrasive particles fall off in the cutting process is reduced.

4. This resin electroplating buddha's warrior attendant line production technology has guaranteed through the secondary cure after the electroplating to improve the intensity of resin, and is more wear-resisting for the consolidation effect is better stable.

Drawings

FIG. 1 is a process flow diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, a process for manufacturing a resin-plated diamond wire includes the following steps: a production process of a resin electroplating diamond wire comprises the following steps:

s1, selecting diamond abrasive grains and cleaning the surfaces of the diamond abrasive grains, wherein the method comprises the following steps: selecting diamond abrasive particles with the diameter of 5 micrometers, firstly, using 25g/L sulfamic acid solution to carry out acid washing on the diamond particles for 10 minutes at normal temperature, and then, washing the diamond particles clean with water; then NaOH solution with the concentration of 25g/L and the temperature of 50 ℃ is used for carrying out alkali washing on the diamond powder for 10 minutes, and then the diamond powder is washed clean with water; then adding primary amine salt into the cleaned diamond abrasive particles, stirring for 20 minutes at 55 ℃, then washing with water, and drying at 80 ℃; adding secondary amine salt into the dried diamond abrasive particles, stirring for 20 minutes at 55 ℃, then washing with water, and drying at 80 ℃ so that the diamond abrasive particles can perform subsequent electroplating reaction;

s2, selecting a steel wire and cleaning the surface of the steel wire, wherein the method is the same as the method of S1, and the resin solution with diamond abrasive particles is conveniently coated;

s3, preparing the electroplatable resin solution, the method comprises the following steps: selecting components in parts by weight of 5 parts of styrene butadiene acrylonitrile resin, 30 parts of styrene acrylonitrile copolymer, 20 parts of styrene butadiene acrylonitrile rubber powder, 1 part of ethylene-acrylic acid copolymer and 1 part of antioxidant, uniformly mixing the components by using a high-speed mixer, adding the mixture into a double-screw extruder, controlling the processing temperature to be 175 ℃, controlling the rotating speed of the screw to be 120rpm, and carrying out melt blending extrusion by using the double-screw extruder so as to enable the resin to carry out electroplating reaction;

s4, adding the processed diamond abrasive particles into the prepared electroplatable resin solution, and uniformly stirring the mixture for uniformly coating the diamond abrasive particles and the resin on a steel wire;

s5, uniformly coating the electroplatable resin solution added with the diamond abrasive particles on the surface of the processed steel wire, and improving the product percent of pass;

s6, placing the coated steel wire into a baking oven at 350 ℃ to heat for 5 minutes for primary curing, and primarily consolidating the resin and the diamond abrasive particles without scattering, and meanwhile, facilitating electroplating;

s7, electroplating the primarily solidified steel wire to enhance the solidification effect;

and S8, putting the electroplated steel wire into a 300-DEG baking oven to be heated for 12 hours for secondary curing, so as to improve the strength of the cured resin.

Example two:

referring to fig. 1, a process for manufacturing a resin-plated diamond wire includes the following steps: a production process of a resin electroplating diamond wire comprises the following steps:

s1, selecting diamond abrasive grains and cleaning the surfaces of the diamond abrasive grains, wherein the method comprises the following steps: selecting diamond abrasive particles with the diameter of 50 micrometers, firstly, using sulfamic acid solution with the concentration of 35g/L to carry out acid washing on the diamond particles for 10 minutes at normal temperature, and then, washing the diamond particles clean with water; then NaOH solution with the concentration of 35g/L and the temperature of 50 ℃ is used for carrying out alkali washing on the diamond powder for 10 minutes, and then the diamond powder is washed clean with water; adding tertiary amine salt into the cleaned diamond abrasive particles, stirring for 20 minutes at the temperature of 65 ℃, then washing with water, and drying at the temperature of 80 ℃; adding primary amine salt into the dried diamond abrasive particles, stirring for 20 minutes at 65 ℃, then washing with water, and drying at 80 ℃ so that the diamond abrasive particles can perform subsequent electroplating reaction;

s2, selecting a steel wire and cleaning the surface of the steel wire, wherein the method is the same as the method of S1, and the resin solution with diamond abrasive particles is conveniently coated;

s3, preparing the electroplatable resin solution, the method comprises the following steps: selecting components with parts by weight of 35 parts of styrene butadiene acrylonitrile resin, 50 parts of styrene acrylonitrile copolymer, 40 parts of styrene butadiene acrylonitrile rubber powder, 1.5 parts of ethylene-acrylic acid copolymer, antioxidant and 1.5 parts of release agent, uniformly mixing the components by using a high-speed mixer, adding the mixture into a double-screw extruder, controlling the processing temperature to be 185 ℃ and the screw rotation speed to be 560rpm, and carrying out melt blending extrusion by using the double-screw extruder so as to enable the resin to carry out electroplating reaction;

s4, adding the processed diamond abrasive particles into the prepared electroplatable resin solution, and uniformly stirring the mixture for uniformly coating the diamond abrasive particles and the resin on a steel wire;

s5, uniformly coating the electroplatable resin solution added with the diamond abrasive particles on the surface of the processed steel wire, and improving the product percent of pass;

s6, placing the coated steel wire into a baking oven at 750 ℃ to heat for 20 minutes for primary curing, and primarily consolidating the resin and the diamond abrasive particles without scattering, and meanwhile, facilitating electroplating;

s7, electroplating the primarily solidified steel wire to enhance the solidification effect;

and S8, putting the electroplated steel wire into a 500-degree baking oven to be heated for 36 hours for secondary curing, so as to improve the strength of the cured resin.

In conclusion, the production process of the resin electroplating diamond wire consolidates diamond abrasive particles on a steel wire by a method of combining electroplating and resin binder, so that the production process has the advantages of the resin binder, improves the torsional fracture strength and the bending strength of the diamond wire, and reduces the possibility of fracture in the cutting process of the diamond wire. The diamond abrasive particles are consolidated on the steel wire by a method of combining electroplating and resin bonding agent, so that the thickness of the plating layer is reduced, and the electroplating cost is reduced. The diamond abrasive particles are made of resin capable of being electroplated, so that the bonding strength of the diamond abrasive particles and the resin is enhanced through electroplating after the diamond abrasive particles are bonded to a steel wire through the resin, and the possibility of falling off of the diamond abrasive particles in the cutting process is reduced. The resin is ensured to be improved in strength through secondary curing after electroplating, and the resin is more wear-resistant, so that the consolidation effect is better and more stable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.