CN104451584B - Method for preparing anti-lock thread coating through PVD - Google Patents
Method for preparing anti-lock thread coating through PVD Download PDFInfo
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- CN104451584B CN104451584B CN201410750698.9A CN201410750698A CN104451584B CN 104451584 B CN104451584 B CN 104451584B CN 201410750698 A CN201410750698 A CN 201410750698A CN 104451584 B CN104451584 B CN 104451584B
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Abstract
The invention discloses a method for preparing an anti-lock thread coating through PVD (physical vapor deposition). The method for preparing the anti-lock thread coating through PVD comprises the following steps: (1) polishing the surface of a metal thread, removing oil stain, and dewatering; (2) spraying sand to roughen the surface of the metal thread; (3) putting the metal thread into vacuum cathodic arc deposition equipment, and sputter-etching to obtain a surface activated metal thread; (4) introducing argon into the vacuum cathodic arc deposition equipment, and plating a film on the surface activated metal thread for the first time to obtain a metal thread with a nickel coating on the surface; and (5) plating a film on the metal thread for the second time in an argon atmosphere by using a pure-silver cathodic arc source to obtain a metal thread with a nickel composite coating on the surface. Because the wear resistant anti-lock coating is prepared on the surface of the metal thread through PVD, the prepared wear resistant anti-lock thread coating has a strong bonding force, can resist corrosion, is low in friction coefficient and is highly reliable, the purposes of improving the fastening force of a screw and preventing the metal thread from being occluded and locked can be achieved, and the metal thread can serve a long time under heavy load, corrosion and other harsh environment.
Description
Technical field
The invention belongs to screw thread anti-locking coat preparing technology field is and in particular to a kind of PVD prepares the painting of screw thread anti-locking
The method of layer.
Background technology
With Aero-Space, warship field for the threaded fastener that intensity is high, corrosion resistance is good demand, titanium alloy
And the threaded fastener of stainless steel material uses in a large number, generally such metallochemistry activity is all higher, because of the generation of its surface
Fine and close passivation layer makes material corrosion resisting property be better than common steel securing member.But titanium alloy, stainless steel watch surface hardness are low, wear resistance
Can be poor, more sensitive to adhesive wear.Under the conditions of high pulling torque heavy load, between screw thread, local friction and temperature rise can destroy material surface
Passivation layer so that metal direct friction deformation so that stick together fusion.Persistently with sticking together phenomenon and adhere region increasing occur
When big, can lead to that screw thread is completely locked again cannot to be dismantled or fasten, cause component failure.For this reason, scientific research personnel have studied bag
Include material surface modifying, the method for coating lubricant coating hinders and deforms between screw thread and stick together inefficacy, reaches screw thread in corruption
The purpose of medium-term and long-term military service under erosion, heavily loaded, frequent fastening condition.
At present, for the problem that titanium alloy, stainless steel screw thread are locked, a lot of methods are occurred in that, such as surface coating contains two
Molybdenum sulfide, graphite, mica or talcous ointment are lubricating screw thread；Increase passivation layer thickness, adopt electricity using electrochemical treatments
Plating prepares barrier coat etc., but is limited by screw thread use environment and preparation technology of coating it is difficult to obtain the effect of satisfaction.
Such as lubricate paste lubricant secondary pollution of losing efficacy and caused easy to fall off；Plating, electrochemical treatments cause titanium alloy, stainless steel
Material hydrogen embrittlement and titanium alloy there is a problem of being difficult to electroplate, and both increase screw thread manufacture and the complexity using installation process,
Threaded higher demand cannot be met.
Content of the invention
The technical problem to be solved is for above-mentioned the deficiencies in the prior art, provides a kind of PVD to prepare spiral shell
The method of line anti-locking coating.The method adopts PVD technique to prepare anti-attrition anti-locking coating, the painting of formation on metal threaded surface
Layer adhesion is strong, and corrosion-resistant, coefficient of friction is low, and reliability is high, it is possible to achieve improves screw fastening force, prevents metal threaded occlusion
Locked purpose, can extend metal threaded service life under the adverse circumstances such as heavy duty, corrosion.
For solving above-mentioned technical problem, the technical solution used in the present invention is：A kind of PVD prepares screw thread anti-locking coating
Method is it is characterised in that the method comprises the following steps：
Step one, metal threaded surface is processed by shot blasting, then removes the metal threaded surface after polished process
Greasy dirt, more metal threaded carry out processed to go after degreasing；
Step 2, sandblasting roughening treatment is carried out to the metal threaded surface after processed in step one；
Step 3, metal threaded after sandblasting roughening treatment in step 2 is placed in vacuum cathode arc depositing device
Vacuum is indoor, the voltage to metal threaded applying -1000V～-1500V under vacuum, and the electric field of formation is to cathode arc
Source electric discharge produce metal ion beam stream accelerated after ise thread surface passivation layer, obtain the metal of surface active
Screw thread；The material of described cathode arc source is pure nickel, and cathode arc electric current is 45A～100A；Vacuum chamber during ise
Vacuum be 0.01Pa～0.1Pa, temperature is 150 DEG C～250 DEG C, and time of ise is 5min～15min；
Step 4, it is passed through argon gas to the vacuum interior of vacuum cathode arc depositing device described in step 3 and to vacuum is
0.1Pa～0.5Pa, is then carried out to the metal threaded of surface active described in step 3 using the cathode arc source of pure nickel material
First time coating film treatment, obtains surface and has the metal threaded of nickel coating；The temperature of vacuum chamber during first time coating film treatment
For 150 DEG C～350 DEG C, the voltage of the metal threaded upper applying of surface active is -50V～-350V；The moon of first time coating film treatment
Pole electrical arc electric current is 45A～75A, and the time of first time coating film treatment is 15min～60min；
Step 5, under an argon atmosphere, the cathode arc source using fine silver material has nickel to surface described in step 4
The metal threaded of coating carries out second coating film treatment, obtains surface and has the metal threaded of nickeline composite coating；Plate for second
During film process, the vacuum of vacuum chamber is 0.1Pa～0.5Pa, and temperature is 150 DEG C～350 DEG C, and surface has nickel coating
The voltage of metal threaded upper applying is -50V～-350V；The cathode arc electric current of second coating film treatment is 40A～75A, second
The time of secondary coating film treatment is 30min～90min.
A kind of above-mentioned PVD prepares the method for screw thread anti-locking coating it is characterised in that polishing described in step one
Remove the burr on metal threaded surface using vibration finishing, the abrasive material that described vibration finishing adopts is the firm in vain of granularity 1mm～5mm
Beautiful particle, the time of vibration finishing is 5min～20min.
A kind of above-mentioned PVD prepares the method for screw thread anti-locking coating it is characterised in that metal threaded described in step one
Material be titanium, titanium alloy or stainless steel.
A kind of above-mentioned PVD prepares the method for screw thread anti-locking coating it is characterised in that sandblasting described in step 2 is roughened
Process adopt sand grains be 200 mesh～300 mesh beades or 200 mesh～300 mesh steel balls, blasting pressure be 0.1MPa～
0.5MPa, blast time is 10s～200s.
A kind of above-mentioned PVD prepares the method for screw thread anti-locking coating it is characterised in that pure nickel described in step 3 and step
Described in rapid four, the quality purity of pure nickel is more than 99.9%, the quality purity of fine silver described in step 5 be 99.9% with
On.
A kind of above-mentioned PVD prepares the method for screw thread anti-locking coating it is characterised in that surface described in step 5 has
The thickness of the metal threaded middle nickel coating of nickeline composite coating is 0.5 μm～5 μm, and the thickness of silver coating is 0.5 μm～5 μm.
A kind of above-mentioned PVD prepares the method for screw thread anti-locking coating it is characterised in that the thickness of described nickel coating is
0.5 μm～2 μm.
The present invention compared with prior art has advantages below：
1st, the present invention reliably solves during metal threaded fastening because thread pitch local friction and temperature rise destruction
Passivation of metal surfaces layer, so that metal surface generation is sticked together, causes the problem of the locked inefficacy of screw thread.
2nd, the present invention carried out blasting treatment to metal threaded surface before PVD, and in vacuum cathode arc depositing device
In ion sputtering, ise thread surface passivation layer are carried out to metal threaded surface, realize metal threaded surface active, can have
Effect improves the bond strength of coating and metal threaded matrix, extends coating service life, can effectively reduce thread friction simultaneously
Secondary initial friction coefficient.
3rd, the present invention adopts vacuum cathode arc depositing device metal threaded plating nickel on surface coating after activation and silver to apply
Layer, nickel coating hardness is high, has preferable chemical stability, has good phase with metals such as titanium alloy, stainless steel or aluminium alloys
Capacitive, silver coating quality is softer, and Ag atom easily spreads sliding, is difficult formation abrasive dust and causes coating to break during screw thread rubs mutually
Bad, it is provided simultaneously with good chemical stability, corrosion resistance is good.
4th, the present invention adopts PVD technique to prepare anti-attrition anti-locking coating, the coating binding force of formation on metal threaded surface
By force, corrosion-resistant, coefficient of friction is low, and reliability is high, it is possible to achieve improve screw fastening force, prevents the locked mesh of metal threaded occlusion
, metal threaded service life under the adverse circumstances such as heavy duty, corrosion can be extended.
With reference to the accompanying drawings and examples, technical solution of the present invention is described in further detail.
Brief description
Fig. 1 is 316 stainless steel screw threads and metal threaded the rubbing with nickeline composite coating of the embodiment of the present invention 1 preparation
Wipe coefficient test curve.
Fig. 2 is TC4 titanium alloy screw thread and metal threaded the rubbing with nickeline composite coating of the embodiment of the present invention 2 preparation
Wipe coefficient test curve.
Specific embodiment
Embodiment 1
Metal threaded used by the present embodiment is 316 stainless steel screw threads, and the preparation method of screw thread anti-locking coating is：
Step one, it is processed by shot blasting to remove the burr on metal threaded surface using vibration finishing to metal threaded surface,
The greasy dirt on the metal threaded surface after then adopting the cleaning of acetone ultrasonic wave to remove polished process, then use alcohol supersonic dewatering
Process；The abrasive material that described vibration finishing adopts is the white fused alumina particle of granularity 2mm～3mm, and the time of vibration finishing is 20min；
Step 2, the metal threaded surface after processed in step one is carried out with sandblasting roughening treatment, sandblasting is roughened
Processing the sand grains adopting is 200 mesh～300 mesh steel balls, and blasting pressure is 0.5MPa, and blast time is 200s；
Step 3, metal threaded after sandblasting roughening treatment in step 2 is placed in vacuum cathode arc depositing device
Vacuum is indoor, the voltage to metal threaded applying -1300V under conditions of vacuum is for 0.1Pa, and the electric field of formation is to negative electrode electricity
Arc source electric discharge produce metal ion beam stream accelerated after ise thread surface passivation layer, obtain the gold of surface active
Belong to screw thread；The material of described cathode arc source is the pure nickel of quality purity more than 99.9%, and cathode arc electric current is 100A；Sputtering
In etching process, the temperature of vacuum chamber is 150 DEG C, and the time of ise is 15min；
Step 4, it is passed through argon gas to the vacuum interior of vacuum cathode arc depositing device described in step 3 and to vacuum is
0.5Pa, the cathode arc source of pure nickel material then adopting quality purity more than 99.9% is to surface active described in step 3
Metal threaded carry out first time coating film treatment, obtain surface and there is the metal threaded of nickel coating, nickel coating thickness be 5 μm；The
During coating film treatment, the temperature of vacuum chamber is 150 DEG C, and the voltage of the metal threaded upper applying of surface active is -50V；The
The cathode arc electric current of coating film treatment is 45A, and the time of first time coating film treatment is 60min；
Step 5, under an argon atmosphere, the cathode arc source pair of the fine silver material being more than 99.9% using quality purity
Surface described in step 4 has the metal threaded of nickel coating and carries out second coating film treatment, obtains surface and has the compound painting of nickeline
Layer metal threaded, wherein silver coating thickness be 5 μm；During described second coating film treatment, the vacuum of vacuum chamber is
0.5Pa, temperature is 350 DEG C, and the voltage that surface has the metal threaded upper applying of nickel coating is -350V；Described second plated film
The cathode arc electric current processing is 75A, and the time of second coating film treatment is 90min.
To 316 stainless steel screw threads (in figure 316 stainless steel) and surface manufactured in the present embodiment, there is nickeline composite coating
Metal threaded (in figure 316/Ni-Ag coating) carries out PVvalue testing under the conditions of identical fretting wear, and result is shown in Fig. 1, from
In figure can be seen that surface manufactured in the present embodiment under the conditions of identical fretting wear and has the metal threaded of nickeline composite coating
Initial friction coefficient be far below the coefficient of friction of 316 stainless steel screw thread initial surfaces, illustrate that surface manufactured in the present embodiment has
The metal threaded of nickeline composite coating is had to have anti-locking performance.
With torque spanner, thread friction pair is carried out tightening unclamping experiment, surface manufactured in the present embodiment has nickeline and is combined
The metal threaded number of times of tightening of coating is more than 5 times that tighten number of times of undressed 316 stainless steel screw threads and does not occur
Destroy.Under identical moment, screw thread axial direction fastening force increases 30%.
Embodiment 2
Used by the present embodiment metal threaded for TC4 titanium alloy screw thread, the preparation method of screw thread anti-locking coating is：
Step one, it is processed by shot blasting to remove the burr on metal threaded surface using vibration finishing to metal threaded surface,
The greasy dirt on the metal threaded surface after then adopting industry cleaning link agent solution to remove polished process, washes down the gold after degreasing
Carry out heated-air drying dehydration after the industrial cleaning agent belonging to thread surface；The abrasive material that described vibration finishing adopts is granularity 1mm～5mm
White fused alumina particle, time of vibration finishing is 15min；
Step 2, the metal threaded surface after processed in step one is carried out with sandblasting roughening treatment, sandblasting is roughened
Processing the sand grains adopting is 200 mesh～300 mesh beades, and blasting pressure is 0.15MPa, and blast time is 20s；
Step 3, metal threaded after sandblasting roughening treatment in step 2 is placed in vacuum cathode arc depositing device
Vacuum is indoor, the voltage to metal threaded applying -1000V under conditions of vacuum is for 0.03Pa, and the electric field of formation is to negative electrode
Arc source electric discharge produce metal ion beam stream accelerated after ise thread surface passivation layer, obtain surface active
Metal threaded；The material of described cathode arc source is the pure nickel of quality purity more than 99.9%, and cathode arc electric current is 45A；Splash
The temperature penetrating vacuum chamber in etching process is 250 DEG C, and the time of ise is 5min；
Step 4, it is passed through argon gas to the vacuum interior of vacuum cathode arc depositing device described in step 3 and to vacuum is
0.1Pa, the cathode arc source of pure nickel material then adopting quality purity more than 99.9% is to surface active described in step 3
Metal threaded carry out first time coating film treatment, obtain surface and there is the metal threaded of nickel coating, nickel coating thickness be 0.5 μm；
During first time coating film treatment, the temperature of vacuum chamber is 150 DEG C, and the voltage of the metal threaded upper applying of surface active is -50V；
The cathode arc electric current of first time coating film treatment is 45A, and the time of first time coating film treatment is 15min；
Step 5, under an argon atmosphere, the cathode arc source pair of the fine silver material being more than 99.9% using quality purity
Surface described in step 4 has the metal threaded of nickel coating and carries out second coating film treatment, obtains surface and has the compound painting of nickeline
Layer metal threaded, wherein silver coating thickness be 0.5 μm；During described second coating film treatment, the vacuum of vacuum chamber is
0.2Pa, temperature is 150 DEG C, and the voltage that surface has the metal threaded upper applying of nickel coating is -50V；At described second plated film
The cathode arc electric current of reason is 40A, and the time of second coating film treatment is 30min.
There is the metal spiral shell of nickeline composite coating to TC4 titanium alloy screw thread (in figure TC4) and surface manufactured in the present embodiment
Line (in figure TC4/Ni-Ag coating) carries out PVvalue testing under the conditions of identical fretting wear, and result is shown in Fig. 2, can from figure
To find out, under the conditions of identical fretting wear, surface manufactured in the present embodiment has the metal threaded initial of nickeline composite coating
Coefficient of friction is far below the coefficient of friction of TC4 titanium alloy screw thread initial surface, illustrates that surface manufactured in the present embodiment has nickeline
The metal threaded of composite coating has anti-locking performance.
With torque spanner, thread friction pair is carried out tightening unclamping experiment, surface manufactured in the present embodiment has nickeline and is combined
The metal threaded number of times of tightening of coating is more than 5 times that tighten number of times of undressed TC4 titanium alloy screw thread and does not occur
Destroy.Under identical moment, screw thread axial direction fastening force increases 35%.
Embodiment 3
Used by the present embodiment metal threaded for TA1 pure titanium screw thread, the preparation method of screw thread anti-locking coating is：
Step one, it is processed by shot blasting to remove the burr on metal threaded surface using vibration finishing to metal threaded surface,
The greasy dirt on the metal threaded surface after then adopting the cleaning of acetone ultrasonic wave to remove polished process, then use alcohol supersonic dewatering
Process；The abrasive material that described vibration finishing adopts is the white fused alumina particle of granularity 1mm～3mm, and the time of vibration finishing is 10min；
Step 2, the metal threaded surface after processed in step one is carried out with sandblasting roughening treatment, sandblasting is roughened
Processing the sand grains adopting is 200 mesh～300 mesh beades, and blasting pressure is 0.3MPa, and blast time is 10s；
Step 3, metal threaded after sandblasting roughening treatment in step 2 is placed in vacuum cathode arc depositing device
Vacuum is indoor, the voltage to metal threaded applying -1200V under conditions of vacuum is for 0.01Pa, and the electric field of formation is to negative electrode
Arc source electric discharge produce metal ion beam stream accelerated after ise thread surface passivation layer, obtain surface active
Metal threaded；The material of described cathode arc source is the pure nickel of quality purity more than 99.9%, and cathode arc electric current is 70A；Splash
The temperature penetrating vacuum chamber in etching process is 200 DEG C, and the time of ise is 10min；
Step 4, it is passed through argon gas to the vacuum interior of vacuum cathode arc depositing device described in step 3 and to vacuum is
0.3Pa, the cathode arc source of pure nickel material then adopting quality purity more than 99.9% is to surface active described in step 3
Metal threaded carry out first time coating film treatment, obtain surface and there is the metal threaded of nickel coating, nickel coating thickness be 2 μm；The
During coating film treatment, the temperature of vacuum chamber is 350 DEG C, and the voltage of the metal threaded upper applying of surface active is -350V；
The cathode arc electric current of first time coating film treatment is 75A, and the time of first time coating film treatment is 30min；
Step 5, under an argon atmosphere, the cathode arc source pair of the fine silver material being more than 99.9% using quality purity
Surface described in step 4 has the metal threaded of nickel coating and carries out second coating film treatment, obtains surface and has the compound painting of nickeline
Layer metal threaded, wherein silver coating thickness be 3 μm；During described second coating film treatment, the vacuum of vacuum chamber is
0.1Pa, temperature is 250 DEG C, and the voltage that surface has the metal threaded upper applying of nickel coating is -50V；At described second plated film
The cathode arc electric current of reason is 50A, and the time of second coating film treatment is 60min.
TA1 pure titanium screw thread and surface manufactured in the present embodiment are had nickeline composite coating metal threaded in identical friction
Carry out PVvalue testing, result shows, surface manufactured in the present embodiment tool under the conditions of identical fretting wear under abrasive conditions
The metal threaded initial friction coefficient having nickeline composite coating is far below the coefficient of friction of TA1 pure titanium screw thread initial surface, says
Bright surface manufactured in the present embodiment has the metal threaded of nickeline composite coating and has anti-locking performance.
With torque spanner, thread friction pair is carried out tightening unclamping experiment, surface manufactured in the present embodiment has nickeline and is combined
The metal threaded number of times of tightening of coating is more than 5 times that tighten number of times of undressed TA1 pure titanium screw thread and breaks
Bad.Under identical moment, screw thread axial direction fastening force increases 35%.
Embodiment 4
Used by the present embodiment metal threaded for TC6 titanium alloy screw thread, the preparation method of screw thread anti-locking coating is：
Step one, it is processed by shot blasting to remove the burr on metal threaded surface using vibration finishing to metal threaded surface,
The greasy dirt on the metal threaded surface after then adopting the cleaning of acetone ultrasonic wave to remove polished process, then use alcohol supersonic dewatering
Process；The abrasive material that described vibration finishing adopts is the white fused alumina particle of granularity 3mm～5mm, and the time of vibration finishing is 5min；
Step 2, the metal threaded surface after processed in step one is carried out with sandblasting roughening treatment, sandblasting is roughened
Processing the sand grains adopting is 200 mesh～300 mesh steel balls, and blasting pressure is 0.1MPa, and blast time is 100s；
Step 3, metal threaded after sandblasting roughening treatment in step 2 is placed in vacuum cathode arc depositing device
Vacuum is indoor, the voltage to metal threaded applying -1500V under conditions of vacuum is for 0.05Pa, and the electric field of formation is to negative electrode
Arc source electric discharge produce metal ion beam stream accelerated after ise thread surface passivation layer, obtain surface active
Metal threaded；The material of described cathode arc source is the pure nickel of quality purity more than 99.9%, and cathode arc electric current is 80A；Splash
The temperature penetrating vacuum chamber in etching process is 200 DEG C, and the time of ise is 10min；
Step 4, it is passed through argon gas to the vacuum interior of vacuum cathode arc depositing device described in step 3 and to vacuum is
0.2Pa, the cathode arc source of pure nickel material then adopting quality purity more than 99.9% is to surface active described in step 3
Metal threaded carry out first time coating film treatment, obtain surface and there is the metal threaded of nickel coating, nickel coating thickness be 1 μm；The
During coating film treatment, the temperature of vacuum chamber is 200 DEG C, and the voltage of the metal threaded upper applying of surface active is -100V；
The cathode arc electric current of first time coating film treatment is 50A, and the time of first time coating film treatment is 20min；
Step 5, under an argon atmosphere, the cathode arc source pair of the fine silver material being more than 99.9% using quality purity
Surface described in step 4 has the metal threaded of nickel coating and carries out second coating film treatment, obtains surface and has the compound painting of nickeline
Layer metal threaded, wherein silver coating thickness be 2 μm；During described second coating film treatment, the vacuum of vacuum chamber is
0.3Pa, temperature is 200 DEG C, and the voltage that surface has the metal threaded upper applying of nickel coating is -150V；Described second plated film
The cathode arc electric current processing is 60A, and the time of second coating film treatment is 45min.
To TC6 titanium alloy screw thread and surface manufactured in the present embodiment, there is the metal threaded of nickeline composite coating to rub identical
Scouring carries out PVvalue testing under the conditions of damaging, and result shows, surface manufactured in the present embodiment under the conditions of identical fretting wear
The metal threaded initial friction coefficient with nickeline composite coating is far below the friction system of TC6 titanium alloy screw thread initial surface
Number, illustrates that surface manufactured in the present embodiment has the metal threaded of nickeline composite coating and has anti-locking performance.
With torque spanner, thread friction pair is carried out tightening unclamping experiment, surface manufactured in the present embodiment has nickeline and is combined
The metal threaded number of times of tightening of coating is more than 5 times that tighten number of times of undressed TC6 titanium alloy screw thread and does not occur
Destroy.Under identical moment, screw thread axial direction fastening force increases 30%.
The above, be only presently preferred embodiments of the present invention, and not the present invention is done with any restriction, every according to invention skill
Any simple modification, change and equivalent structure change that art is substantially made to above example, all still fall within the technology of the present invention
In the protection domain of scheme.
Claims (7)
1. a kind of PVD prepares the method for screw thread anti-locking coating it is characterised in that the method comprises the following steps：
Step one, metal threaded surface is processed by shot blasting, then removes the oil on the metal threaded surface after polished process
Dirt, more metal threaded carry out processed to go after degreasing；
Step 2, sandblasting roughening treatment is carried out to the metal threaded surface after processed in step one；
Step 3, by the metal threaded vacuum being placed in vacuum cathode arc depositing device after sandblasting roughening treatment in step 2
Interior, the voltage to metal threaded applying -1000V～-1500V under vacuum, the electric field of formation is put to cathode arc source
Electricity produce metal ion beam stream accelerated after ise thread surface passivation layer, obtain the metal spiral shell of surface active
Line；The material of described cathode arc source is pure nickel, and cathode arc electric current is 45A～100A；Vacuum chamber during ise
Vacuum is 0.01Pa～0.1Pa, and temperature is 150 DEG C～250 DEG C, and the time of ise is 5min～15min；
Step 4, it is passed through argon gas to the vacuum interior of vacuum cathode arc depositing device described in step 3 and to vacuum is
0.1Pa～0.5Pa, is then carried out to the metal threaded of surface active described in step 3 using the cathode arc source of pure nickel material
First time coating film treatment, obtains surface and has the metal threaded of nickel coating；The temperature of vacuum chamber during first time coating film treatment
For 150 DEG C～350 DEG C, the voltage of the metal threaded upper applying of surface active is -50V～-350V；The moon of first time coating film treatment
Pole electrical arc electric current is 45A～75A, and the time of first time coating film treatment is 15min～60min；
Step 5, under an argon atmosphere, the cathode arc source using fine silver material has nickel coating to surface described in step 4
Metal threaded carry out second coating film treatment, obtain surface and there is the metal threaded of nickeline composite coating；At second plated film
During reason, the vacuum of vacuum chamber is 0.1Pa～0.5Pa, and temperature is 150 DEG C～350 DEG C, and surface has the metal of nickel coating
The voltage applying on screw thread is -50V～-350V；The cathode arc electric current of second coating film treatment is 40A～75A, plates for second
The time of film process is 30min～90min.
2. a kind of PVD according to claim 1 prepares the method for screw thread anti-locking coating it is characterised in that in step one
Described polishing adopts vibration finishing to remove the burr on metal threaded surface, and the abrasive material that described vibration finishing adopts is granularity
The white fused alumina particle of 1mm～5mm, the time of vibration finishing is 5min～20min.
3. a kind of PVD according to claim 1 prepares the method for screw thread anti-locking coating it is characterised in that in step one
Described metal threaded material is titanium, titanium alloy or stainless steel.
4. a kind of PVD according to claim 1 prepares the method for screw thread anti-locking coating it is characterised in that in step 2
The sand grains that described sandblasting roughening treatment adopts is 200 mesh～300 mesh beades or 200 mesh～300 mesh steel balls, and blasting pressure is
0.1MPa～0.5MPa, blast time is 10s～200s.
5. a kind of PVD according to claim 1 prepares the method for screw thread anti-locking coating it is characterised in that in step 3
Described in described pure nickel and step 4, the quality purity of pure nickel is more than 99.9%, the quality purity of fine silver described in step 5
For more than 99.9%.
6. a kind of PVD according to claim 1 prepares the method for screw thread anti-locking coating it is characterised in that in step 5
The thickness that described surface has the metal threaded middle nickel coating of nickeline composite coating is 0.5 μm～5 μm, and the thickness of silver coating is
0.5 μm～5 μm.
7. a kind of PVD according to claim 6 prepares the method for screw thread anti-locking coating it is characterised in that described nickel applies
The thickness of layer is 0.5 μm～2 μm.
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| CN201410750698.9A CN104451584B (en) | 2014-12-08 | 2014-12-08 | Method for preparing anti-lock thread coating through PVD |
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| CN201410750698.9A CN104451584B (en) | 2014-12-08 | 2014-12-08 | Method for preparing anti-lock thread coating through PVD |
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| CN104451584B true CN104451584B (en) | 2017-02-22 |
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| CN108165945B (en) * | 2018-01-31 | 2019-11-12 | 西安赛福斯材料防护有限责任公司 | A kind of preparation method of nuclear power stainless steel bolt surface anti-locking coating |
| CN109207935A (en) * | 2018-10-23 | 2019-01-15 | 集美大学 | A kind of method that plasmaassisted electro beam physics vapour deposition prepares PVD protective coating |
| CN115581800B (en) * | 2022-10-24 | 2023-08-18 | 杭州明康捷医疗科技有限公司 | Titanium-based silver-coated implanted antibacterial medical instrument and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0803590A2 (en) * | 1996-04-22 | 1997-10-29 | Japan Scientific Engineering Co., Ltd. | Sliding parts and process for producing same |
| CN101044329A (en) * | 2005-08-02 | 2007-09-26 | 株式会社爱发科 | Fastener |
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| JP4970971B2 (en) * | 2007-02-02 | 2012-07-11 | 株式会社アルバック | Fastener manufacturing method |
| KR20080104093A (en) * | 2007-05-26 | 2008-12-01 | (주)세원금속 | The process of silver plating of fitting nut for tube |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0803590A2 (en) * | 1996-04-22 | 1997-10-29 | Japan Scientific Engineering Co., Ltd. | Sliding parts and process for producing same |
| CN101044329A (en) * | 2005-08-02 | 2007-09-26 | 株式会社爱发科 | Fastener |
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