Summary of the invention
The objective of the invention is to avoid weak point of the prior art and a kind of material electroplating surface abrasive material production technique is provided, can high-speed and continuous production, and be evenly distributed and bonding strength height, long service life by the silk material surface diamond that this technology is made.
Purpose of the present invention realizes by following technical measures.
Metal wire material electroplating surface abrasive material production technique may further comprise the steps:
Step 1: the diamond surface chemical nickel plating is handled
Diamond particles is carried out chemical nickel plating on surface handle, obtain nickel plating clothing diamond particles, described diamond particles nickel plating weightening finish 5%-80%;
Step 2: impact the preparation of nickel plating solution
With nickelous chloride and hydrochloric acid respectively according to 100-500 grams per liter and 10-240 milliliter/liter ratio dissolve in deionized water or distilled water, be made into the impact nickel plating solution;
Step 3: the preparation of nickel aminosulfonic bath and nickel plating clothing diamond mixing electroplating solution
With nickel sulfamic acid, nickelous chloride and boric acid respectively according to the 100-1500 milliliter/liter, 1-20 grams per liter and 10-100 grams per liter 20 ℃~80 ℃ down and deionized water or distilled water be mixed with nickel aminosulfonic bath;
Get described nickel plating clothing diamond particles and be mixed with nickel plating clothing diamond mixing electroplating solution according to mass ratio 1:100-10000 with nickel aminosulfonic bath;
Step 4: clean
Metal wire material is carried out oil removal treatment by basic solution, again by the acidic solution activation treatment that eliminates rust;
Step 5: impact nickel and electroplate
The metal wire material that the step 4 clean is crossed is by described impact nickel plating solution, and metal wire material is switched on as negative electrode, and the nickel plate is switched on as anode, makes the metal wire material surface form nickel metal deposition transition layer, then cleans;
Step 6: nickel is plated the clothing diamond particles electroplate on the metal wire material surface
The metal wire material that will have described nickel metal deposition transition layer is by described nickel plating clothing diamond mixing electroplating solution, metal wire material is switched on as negative electrode, the nickel plate is switched on as anode, make the described nickel plating of metal wire material surface adsorption clothing diamond particles, simultaneously the nickel metal also is electroplated onto the surface of metal wire material with described nickel metal deposition transition layer;
Step 7: thickening reinforcing wire plating clothing diamond particles
The metal wire material that there is nickel plating clothing diamond particles on the surface that step 6 is obtained is by described nickel aminosulfonic bath, and wire is switched on as negative electrode, and the nickel plate is switched on as anode;
Step 8: electroplate aftertreatment
The product that step 7 is obtained is by washing and dry last take-up and warehouse-in.
In the step 4, described basic solution be concentration 50-200 grams per liter remove oil-bound distemper solution, described acidic solution is the acid salt solution of 30-200 grams per liter.
In the step 5, electroplating voltage is the 2-5 volt, and current density is 20-60ASD, and electroplating time is 5-20 second.
In the step 6, electroplating voltage 3.2-9 volt, electroplating time 0.3-3.5 minute.
In the step 7, electroplating voltage 2.6-9 volt, electroplating time 3.8-8 minute.
Step 5 is impacted nickel plating solution, step 6 nickel plating clothing diamond mixing electroplating solution and step 7 nickel aminosulfonic bath and is arranged in the coating bath respectively, strainer tube is set respectively in the coating bath, described strainer tube leads to and is circulated throughout filter pump, the described filter pump that is circulated throughout filters the electroplate liquid in the coating bath, the corresponding coating bath of pumped back again after the organic impurities that electroplate liquid is mingled with filters out.
Further, also comprise electrolysis step, adopt the current density of 0.1-0.5ASD that electroplate liquid is carried out continuity or periodically electrolysis in the described electrolysis step.
The particle size range of described diamond particles is the 0.4-60 micron, and described metal wire material is the former steel wire of diameter 0.08-0.4 millimeter.
In the step 5, the thickness of described nickel metal deposition transition layer is the 0.4-1.2 micron.
In the step 6, to stirring in the described nickel plating clothing diamond mixing electroplating solution.
Silk material electroplating surface abrasive material production technique of the present invention, the diamond of employing chemical nickel plating on surface and wire are as raw material, can realize high speed production (1-50 rice/minute) by nickel aminosulfonic bath, make diamond be attracted to wire surface and the diamond of thickening reinforcing in time fast, uniformly, thereby realize high speed production, nickel plating clothing diamond is that nickel material of the same race combines with nickel coating, belong to nickel atoms metal power of the same race combination, the firm degree height of diamond, product life is long, the sawing ability is good; Be applicable to high speed production, alternative existing golden steel wire production technique.
Embodiment
The invention will be further described with the following Examples.
The quality of gold steel wire is mainly determined by thickness, coating and the wire of the internal stress size of the compactness of coating, coating, coating and adamantine bonding strength, adamantine distribution consistency degree, the pliability of golden steel wire, the continuity of coating, adamantine firm degree or the like.
The output of gold steel wire is mainly decided by the speed that the sedimentation velocity and the diamond of coating is adsorbed.
Embodiment 1
The metal wire material electroplating surface abrasive material production technique of present embodiment, step comprises:
The first step: the diamond surface chemical nickel plating is handled
With size range is that the diamond particles of 30-40 micron carries out chemical nickel plating on surface and handles, and makes it the densification of coating surface one deck and nickel dam that bonding strength is high, finally forms the nickel plating clothing diamond particles of nickel plating weightening finish 56%.
Second step: impact the preparation of nickel plating solution
Nickelous chloride and hydrochloric acid are dissolved in deionized water or distilled water according to the ratio of 200 grams per liters and 100 milliliters/liter respectively, be made into the impact nickel plating solution.
The 3rd step: nickel aminosulfonic bath and nickel plate the preparation of clothing diamond mixing electroplating solution
With nickel sulfamic acid, nickelous chloride and boric acid respectively according to 350 milliliters/liter, 6 grams per liters and 10 grams per liters 70 ℃ down and deionized water or distilled water be mixed with nickel aminosulfonic bath;
Get described nickel plating clothing diamond particles and be mixed with nickel plating clothing diamond mixing electroplating solution according to mass ratio 1:1500, in this solution, whipping appts is set simultaneously with nickel aminosulfonic bath.
The 4th step: clean
The former steel wire of getting 0.18 mm dia by concentration be 120 grams per liters remove oil-bound distemper solution, carry out the metallic surface oil removal treatment and clean; Be the acid salt solution of 30 grams per liters by concentration subsequently, carry out metallic surface rust cleaning and activation treatment and cleaning.Describedly remove oil-bound distemper solution and acid salt solution is respectively basic solution and acidic solution, belong to this area common agents, market is on sale.
The 5th step: impact nickel and electroplate (bottoming)
The described impact nickel plating solution that the former steel wire that clean is crossed prepared by second step, former steel wire is switched on as negative electrode, the nickel plate is switched on as anode, electroplating voltage is 2.5 volts, current density is 42ASD, electroplating time was 6 seconds, thereby made wire surface form the nickel metal deposition transition layer of 0.5 micron thickness of one deck densification, then cleaned.
The 6th step: nickel plating clothing diamond particles is electroplated on the metal wire material surface
The former steel wire that will have described nickel metal deposition transition layer goes on foot the described nickel plating clothing diamond mixing electroplating solution for preparing by the 3rd, former steel wire is as negative electrode (4 volts of the electroplating voltages of switching on, electroplating time 2 minutes), the nickel plate is switched on as anode, make former steel wire surface adsorption that abundant and equally distributed described nickel plating clothing diamond particles be arranged, meanwhile the nickel metal also has been electroplated onto the surface of the former steel wire with described nickel metal deposition transition layer, stirs in the electroplating process.
The 7th step: thickening reinforcing wire plating clothing diamond particles
The former steel wire that there is nickel plating clothing diamond particles on the 6th surface that obtain of step is by described nickel aminosulfonic bath, and former steel wire is switched on (3 volts of voltages, thickening electroplating time 7 minutes) as negative electrode, to the nickel plate as the anode plating of switching on.
The 8th step: electroplate aftertreatment
Goods after step 7 finished are by washing and dry; Obtaining diameter is the golden steel wire of 0.26 millimeter (+/-5 microns), last take-up warehouse-in.
The average pull-off force of former steel wire is 86 newton, and the average pull-off force of finished product gold steel wire is 86-88 newton, is the 100-105% of former steel wire pull-off force.The golden steel wire cutting diameter that adopts this technology manufacturing is 50 millimeters a sapphire crystal bar, linear velocity is 12 meter per seconds, cut 50 sapphires simultaneously, line tension is 34 newton, the angle of the waving during cutting of gold steel wire is 5 degree, can obtain thickness error less than 15 microns, sinuousness is less than 20 microns sapphire wafer, work-ing life 10 times.Under the contrast, the golden steel wire cutting of the U.S.'s 0.26 mm dia only has 6 work-ing life.
Embodiment 2
The metal wire material electroplating surface abrasive material production technique of present embodiment, step comprises:
The first step: the diamond surface chemical nickel plating is handled
The diamond particles of size range 50-60um is carried out the chemical nickel plating on surface processing, make it the densification of coating surface one deck and nickel dam that bonding strength is high, finally form the nickel plating clothing diamond particles of nickel plating weightening finish 80%.
Second step: impact the preparation of nickel plating solution
Nickelous chloride and hydrochloric acid are dissolved in deionized water or distilled water according to the ratio of 100 grams per liters and 240 milliliters/liter respectively, be made into the impact nickel plating solution.
The 3rd step: nickel aminosulfonic bath and nickel plate the preparation of clothing diamond mixing electroplating solution
With nickel sulfamic acid, nickelous chloride and boric acid respectively according to 800 milliliters/liter, 15 grams per liters and 60 grams per liters 80 ℃ down and deionized water or distilled water be mixed with nickel aminosulfonic bath;
Nickel is plated the clothing diamond particles be mixed with nickel plating clothing diamond mixing electroplating solution according to mass ratio 1:10000, in this solution, increase mechanical stirring device simultaneously with nickel aminosulfonic bath.
The 4th step: clean
The former steel wire of getting 0.25 mm dia is that the oil-bound distemper solution that removes of 70 grams per liters carries out the metallic surface oil removal treatment and cleans by concentration, is that the acid salt solution of 100 grams per liters carries out metallic surface rust cleaning and activation treatment and cleaning by concentration subsequently.
The 5th step: impact nickel and electroplate (bottoming)
The described impact nickel plating solution that the former steel wire that clean is crossed prepared by second step, switch on for former steel wire as negative electrode, switch on for the nickel plate as anode, electroplating voltage is 5 volts, current density is 60ASD, electroplating time was 7 seconds, thereby made wire surface form the nickel metal deposition transition layer of 1.2 micron thickness of one deck densification, then cleaned.
The 6th step: nickel is plated the clothing diamond particles electroplate on the metal wire material surface
To there be the former steel wire of nickel metal deposition transition layer to go on foot the nickel plating clothing diamond mixing electroplating solution for preparing by the 3rd, give former steel wire as negative electrode (8.5 volts of the electroplating voltages of switching on, electroplating time 3.5 minutes) and to the nickel plate switch on as anode, make former steel wire surface adsorption that abundant and equally distributed nickel plating clothing diamond particles be arranged, the nickel metal also has been electroplated onto the surface of the former steel wire with described nickel metal deposition transition layer simultaneously.
The 7th step: thickening reinforcing wire plating clothing diamond particles
The former steel wire that there is nickel plating clothing diamond particles on the 6th surface that obtain of step is by described nickel aminosulfonic bath, give wire switch on (9 volts of electroplating voltages, electroplating time 8 minutes) as negative electrode and to the nickel plate as the anode plating of switching on.
The 8th step: electroplate aftertreatment
The product that step 7 is obtained is by washing and dry; Last take-up and warehouse-in, obtaining diameter is the golden steel wire of 0.36 millimeter (+/-5 microns).
The average pull-off force of former steel wire is 150 newton, the average pull-off force of finished product gold steel wire is 150-158 newton, be the 100-105% of former steel wire pull-off force, the golden steel wire cutting diameter that adopts this technology manufacturing is 200 millimeters a silicon single crystal rod, linear velocity is 8 meter per seconds, cuts 16 silicon single crystal rods simultaneously, and line tension is 80 newton, can obtain tolerance less than+/-0.2 millimeter silicon single crystal square rod, work-ing life 2 times; In contrast, adopt the golden steel wire cutting of the U.S.'s 0.36 mm dia, work-ing life 1 time.
Embodiment 3
The first step: the diamond surface chemical nickel plating is handled
With size range is that the diamond particles of 0.4-20um carries out chemical nickel plating on surface and handles, and makes it the densification of coating surface one deck and nickel dam that bonding strength is high, finally forms the nickel plating clothing diamond particles of nickel plating weightening finish 5%.
Second step: impact the preparation of nickel plating solution
Nickelous chloride and hydrochloric acid are dissolved in deionized water or distilled water according to the ratio of 100 grams per liters and 200 milliliters/liter respectively, be made into the impact nickel plating solution.
The 3rd step: nickel aminosulfonic bath and nickel plate the preparation of clothing diamond mixing electroplating solution
With nickel sulfamic acid, nickelous chloride and boric acid respectively according to 100 milliliters/liter, 16 grams per liters and 65 grams per liters 20 ℃ down and deionized water or distilled water be mixed with nickel aminosulfonic bath;
Described nickel plating clothing diamond particles is mixed with nickel plating clothing diamond mixing electroplating solution with described nickel aminosulfonic bath according to mass ratio 1:100, in this solution, mechanical stirring device is set simultaneously.
The 4th step: clean
The former steel wire of getting 0.12 mm dia is that the oil-bound distemper solution that removes of 50 grams per liters carries out the metallic surface oil removal treatment and cleans by concentration, is that the acid salt solution of 80 grams per liters carries out metallic surface rust cleaning and activation treatment and cleaning by concentration subsequently.
The 5th step: impact nickel and electroplate (bottoming)
The described impact nickel plating solution that the former steel wire that clean is crossed prepared by second step, switch on for former steel wire as negative electrode, switch on for the nickel plate as anode, electroplating voltage is 2.2 volts, current density is 58ASD, electroplating time was 5 seconds, thereby made former steel wire surface form the nickel metal deposition transition layer of 0.6 micron thickness of one deck densification, then cleaned.
The 6th step: nickel plating clothing diamond particles is electroplated on the metal wire material surface
The former steel wire that will have nickel metal deposition transition layer goes on foot the described nickel plating clothing diamond mixing electroplating solution for preparing by the 3rd, give former steel wire as negative electrode (3.2 volts of the electroplating voltages of switching on, electroplating time 1.5 minutes), switch on for the nickel plate as anode, make former steel wire surface adsorption that abundant and equally distributed nickel plating clothing diamond particles be arranged, the nickel metal also has been electroplated onto the former steel wire of nickel metal deposition transition layer surface has been arranged simultaneously.
The 7th step: thickening reinforcing wire plating clothing diamond particles
The former steel wire that there is nickel plating clothing diamond particles on the 6th surface that obtain of step is by described nickel aminosulfonic bath, give former steel wire switch on (2.6 volts of electroplating voltages, electroplating time 3.8 minutes) as negative electrode and to the nickel plate as the anode plating of switching on.
The 8th step: electroplate aftertreatment
The product that step 7 is obtained is by washing and dry; Last take-up and warehouse-in, obtaining diameter is the golden steel wire of 0.14 millimeter (+/-3 microns).
The average pull-off force of former steel wire is 45 newton, the average pull-off force of finished product gold steel wire is 45-47 newton, be the 100-105% of former steel wire pull-off force, the golden steel wire cutting diameter that adopts this technology manufacturing is 125 millimeters a silicon single crystal rod, and linear velocity is 8 meter per seconds, and 2 undercuts cut 300 millimeters long silicon single crystal rods, line tension is 20 newton, can obtain thickness error less than 25 microns, sinuousness is less than 50 microns silicon single crystal wafer, work-ing life 2 times.In contrast, adopt the golden steel wire cutting of the U.S.'s 0.14 mm dia, work-ing life 1 time.
Embodiment 4
The first step: the diamond surface chemical nickel plating is handled
With size range is that the diamond particles of 0.4-20um carries out chemical nickel plating on surface and handles, and makes it the densification of coating surface one deck and nickel dam that bonding strength is high, finally forms the nickel plating clothing diamond particles of nickel plating weightening finish 30%.
Second step: impact the preparation of nickel plating solution
Nickelous chloride and hydrochloric acid are dissolved in deionized water or distilled water according to the ratio of 500 grams per liters and 200 milliliters/liter respectively, be made into the impact nickel plating solution.
The 3rd step: nickel aminosulfonic bath and nickel plate the preparation of clothing diamond mixing electroplating solution
With nickel sulfamic acid, nickelous chloride and boric acid respectively according to 1500 milliliters/liter, 20 grams per liters and 100 grams per liters 60 ℃ down and deionized water or distilled water be mixed with nickel aminosulfonic bath;
Described nickel plating clothing diamond particles is mixed with nickel plating clothing diamond mixing electroplating solution with described nickel aminosulfonic bath according to mass ratio 1:1000, in this solution, mechanical stirring device is set simultaneously.
The 4th step: clean
The former steel wire of getting 0.1 mm dia is that the oil-bound distemper solution that removes of 200 grams per liters carries out the metallic surface oil removal treatment and cleans by concentration, is that the acid salt solution of 200 grams per liters carries out metallic surface rust cleaning and activation treatment and cleaning by concentration subsequently.
The 5th step: impact nickel and electroplate (bottoming)
The described impact nickel plating solution that the former steel wire that clean is crossed prepared by second step, switch on for former steel wire as negative electrode, switch on for the nickel plate as anode, electroplating voltage is 2 volts, current density is 20ASD, electroplating time was 5 seconds, thereby made former steel wire surface form the nickel metal deposition transition layer of 0.6 micron thickness of one deck densification, then cleaned.
The 6th step: nickel is plated the clothing diamond particles electroplate on the metal wire material surface
The former steel wire that will have nickel metal deposition transition layer goes on foot the described nickel plating clothing diamond mixing electroplating solution for preparing by the 3rd, give former steel wire as negative electrode (3.2 volts of the electroplating voltages of switching on, electroplating time 0.3 minute), switch on for the nickel plate as anode, make former steel wire surface adsorption that abundant and equally distributed nickel plating clothing diamond particles be arranged, the nickel metal also has been electroplated onto the former steel wire of nickel metal deposition transition layer surface has been arranged simultaneously.
The 7th step: thickening reinforcing wire plating clothing diamond particles
The former steel wire that there is nickel plating clothing diamond particles on the 6th surface that obtain of step is by described nickel aminosulfonic bath, give former steel wire switch on (2.6 volts of electroplating voltages, electroplating time 3.8 minutes) as negative electrode and to the nickel plate as the anode plating of switching on.
The 8th step: electroplate aftertreatment
The product that step 7 is obtained is by washing and dry; Last take-up and warehouse-in, obtaining diameter is the golden steel wire of 0.13 millimeter (+/-3 microns).
The average pull-off force of former steel wire is 32 newton, the average pull-off force of finished product gold steel wire is 32-34 newton, be the 100-105% of former steel wire pull-off force, the golden steel wire cutting diameter that adopts this technology manufacturing is 125 millimeters a silicon single crystal rod, and linear velocity is 8 meter per seconds, and 2 undercuts cut 300 millimeters long silicon single crystal rods, line tension is 20 newton, can obtain thickness error less than 25 microns, sinuousness is less than 50 microns silicon single crystal wafer, work-ing life 2 times.In contrast, adopt the golden steel wire cutting of the U.S.'s 0.13 mm dia, work-ing life 1 time.
Embodiment 5
The metal wire material electroplating surface abrasive material production technique of present embodiment, step comprises:
The first step: the diamond surface chemical nickel plating is handled
The diamond particles of size range 50-60um is carried out the chemical nickel plating on surface processing, make it the densification of coating surface one deck and nickel dam that bonding strength is high, finally form the nickel plating clothing diamond particles of nickel plating weightening finish 15%.
Second step: impact the preparation of nickel plating solution
Nickelous chloride and hydrochloric acid are dissolved in deionized water or distilled water according to the ratio of 220 grams per liters and 150 milliliters/liter respectively, be made into the impact nickel plating solution.
The 3rd step: nickel aminosulfonic bath and nickel plate the preparation of clothing diamond mixing electroplating solution
With nickel sulfamic acid, nickelous chloride and boric acid respectively according to 700 milliliters/liter, 17 grams per liters and 65 grams per liters 55 ℃ down and deionized water or distilled water be mixed with nickel aminosulfonic bath;
Nickel is plated the clothing diamond particles be mixed with nickel plating clothing diamond mixing electroplating solution according to mass ratio 1:5000, in this solution, increase mechanical stirring device simultaneously with nickel aminosulfonic bath.
The 4th step: clean
The former steel wire of getting 0.30 mm dia is that the oil-bound distemper solution that removes of 80 grams per liters carries out the metallic surface oil removal treatment and cleans by concentration, is that the acid salt solution of 150 grams per liters carries out metallic surface rust cleaning and activation treatment and cleaning by concentration subsequently.
The 5th step: impact nickel and electroplate (bottoming)
The described impact nickel plating solution that the former steel wire that clean is crossed prepared by second step, switch on for former steel wire as negative electrode, switch on for the nickel plate as anode, electroplating voltage is 4 volts, current density is 32ASD, electroplating time was 10 seconds, thereby made wire surface form the nickel metal deposition transition layer of 1 micron thickness of one deck densification, then cleaned.
The 6th step: nickel is plated the clothing diamond particles electroplate on the metal wire material surface
To there be the former steel wire of nickel metal deposition transition layer to go on foot the nickel plating clothing diamond mixing electroplating solution for preparing by the 3rd, give former steel wire as negative electrode (6 volts of the electroplating voltages of switching on, electroplating time 0.4 minute) and to the nickel plate switch on as anode, make former steel wire surface adsorption that abundant and equally distributed nickel plating clothing diamond particles be arranged, the nickel metal also has been electroplated onto the surface of the former steel wire with described nickel metal deposition transition layer simultaneously.
The 7th step: thickening reinforcing wire plating clothing diamond particles
The former steel wire that there is nickel plating clothing diamond particles on the 6th surface that obtain of step is by described nickel aminosulfonic bath, give wire switch on (5 volts of electroplating voltages, electroplating time 7 minutes) as negative electrode and to the nickel plate as the anode plating of switching on.
The 8th step: electroplate aftertreatment
The product that step 7 is obtained is by washing and dry; Last take-up and warehouse-in, obtaining diameter is the golden steel wire of 0.40 millimeter (+/-5 microns).
The average pull-off force of former steel wire is 205 newton, the average pull-off force of finished product gold steel wire is 205-215 newton, be the 100-105% of former steel wire pull-off force, the golden steel wire cutting diameter that adopts this technology manufacturing is 200 millimeters a silicon single crystal rod, linear velocity is 10 meter per seconds, cuts 16 silicon single crystal rods simultaneously, and line tension is 85 newton, can obtain tolerance less than+/-0.3 millimeter silicon single crystal square rod, work-ing life 2 times; In contrast, adopt the golden steel wire cutting of the U.S.'s 0.40 mm dia, work-ing life 1 time.
The present invention compares with existing preparation method has following advantage:
1, production rate height.Diamond particles chemical nickel plating on surface (be called for short nickel plating clothing diamond) can make diamond have conductivity, is plated in wire surface on easily with diamond particles when switch on to wire, makes diamond distribution evenly and can reach the effect of high speed production.It is wire electronickelling metal level that the present invention adopts nickel sulfamic acid solution, and watt type plating bath can be realized high speed production efficiency, thereby can improve the output of golden steel wire in equal time.
2, diamond particles is in conjunction with firm.Diamond surface is through behind the chemical nickel plating, diamond particles and chemical nickel coating have high bonding force, and can go on foot the nickel electrodeposition of metals formation successive that forms, consistent nickel metal plating of the same race with the 5th follow-up nickel metal deposition transition layer that is used to feel secure, the 6th step and the 7th that goes on foot formation, belong to nickel atoms metal power of the same race combination, can guarantee that diamond particles is securely fixed in golden steel wire surface, difficult drop-off during cutting has prolonged work-ing life of golden steel wire.It is wire electronickelling metal level that the present invention adopts nickel sulfamic acid solution, this nickel metal layer galvanized nickel metal layer of watt type plating bath has the coating internal stress minimum, pliability and snappiness are little, advantages such as fragility is little, cause coating being impacted or during big frictional force, coating is not easy cracking, diamond advantage such as be not easy to come off.
3, golden steel wire intensity height.In the production technique of the present invention, former steel wire only needs just can adsorb the abundant nickel plating clothing diamond particles of anticipating by relative less current density, because the diamond particles of nickel plating clothing has become conductor, therefore movement velocity is still very fast under less relatively electroplating voltage effect.With respect to the diamond particles that does not have the nickel plating clothing as isolator, do not need to adsorb diamond particles by bigger current density, so former steel wire is unlikely to produce the burning fatigue phenomenon, can not cause pull-off force to reduce and easy brittle failure phenomenon, the work-ing life of having improved golden steel wire because of burning.
4, golden steel wire long service life.The present invention adopts the diamond particles of the size range of relative broad to be plated on the surface of former steel wire, the gold steel wire in the cutting prod process owing to can be worn earlier or break earlier than the diamond of volume particle size, can make than the nickel plating clothing diamond particles of small grain size and proceed cutting prod, thereby improve the work-ing life of golden steel wire; In electroplating process, have outside the coating bath to adopt and be circulated throughout filter pump, can filter out the organic impurities that is mingled with in the plating bath, adopt low current density (plating bath to be carried out continuity or periodically electrolysis can be removed scrap metal impurity with 0.1-0.5ASD), can make coating continuous, improve the coating snappiness, when golden steel wire mill is cut product, have bending during owing to cabling, metal plating is not easy blistering or comes off, and has improved the work-ing life and the quality of golden steel wire.
Should be noted that at last; above embodiment only is used to illustrate technical scheme of the present invention but not limiting the scope of the invention; although the present invention has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical solution of the present invention.