CN106757011A - A kind of laser melting coating reproducing method of worm screw - Google Patents
A kind of laser melting coating reproducing method of worm screw Download PDFInfo
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- CN106757011A CN106757011A CN201710034303.9A CN201710034303A CN106757011A CN 106757011 A CN106757011 A CN 106757011A CN 201710034303 A CN201710034303 A CN 201710034303A CN 106757011 A CN106757011 A CN 106757011A
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- worm screw
- alloy powder
- cladding
- laser melting
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
Abstract
A kind of laser melting coating reproducing method of worm screw, it is mainly is cleared up and is detected a flaw to the surface of worm screw, ensure worm screw without surface and internal flaw, titanium carbide 11 14, carbon 0.3 0.7, calcirm-fluoride 57, silicon nitride 56, boron 47, silicon 13, vanadium 1.1 1.3, iron 6 10, molybdenum 16 20 by mass percentage, balance of cobalt, prepare Co-based alloy powder, by alloy powder, binding agent and acetone mixed solution even application is in worm screw face and dries, coating layer thickness be 1 3mm；Scanned using laser cladding, rectangular light spot is 2 × 8mm, speed is 240 480mm/min, overlapping rate is 30 40%, power is 2000 3000W, by Co-based alloy powder cladding in worm screw face, carries out machining to the worm screw after laser melting coating and reaches size and required precision.Present invention process is simple, energy-conserving and environment-protective, low cost, it is possible to achieve worm screw repeatedly remanufactures, and the worm screw after remanufacturing has more preferable wearability, corrosion resistance and anti-fatigue performance.
Description
Technical field is the invention belongs to laser melting and coating technique field, more particularly to a kind of restorative procedure of worm screw.
Background technology worm and wheel coordinates for transmitting motion and power between alternating axis, because Meshing Pair is produced
Heat it is many, the engagement force that is subject to is big, so the phenomenons such as deformation, abrasion easily occurs during long-term use in worm screw.Especially
It is the use of lubricating oil in the course of the work, easily causes the spot corrosion of worm screw face, so significantly reduces the use of worm screw
Life-span.Meanwhile, worm screw is typically all that, by high performance alloys steel making, due to the damage and failure of worm screw, can cause material
Waste and the increase of cost.
At present for worm screw reparation mostly by the way of built-up welding, built-up welding can reduce the performance of worm screw, and
The performance of overlay cladding cannot be ensured；Built-up welding being put for welding wire for worm screw can also make welding procedure and become complicated.
The content of the invention is present invention aim at the snail for providing strong a kind of process is simple, controllability, energy-conserving and environment-protective, low cost
The laser melting coating reproducing method of bar.Worm screw of the present invention mainly to wearing and tearing gets rid of fatigue layer, then carries out crack detection,
Then the mixed solution even application of Co-based alloy powder, binding agent and acetone is dried after worm screw face, using semiconductor
On worm screw matrix, be finally machined out powder melting by laser, so as to meet the use requirement of worm screw.
Technical scheme is as follows：
(1) surface to worm screw is cleared up, and determines worm screw face abrading section and its wear extent, according to testing result,
Remove the fatigue layer of worm screw face；Worm screw to be repaired is cleaned repeatedly using absolute ethyl alcohol and acetone, is removed and is treated cladding position
Greasy dirt and corrosion, and carry out dried process；
(2) magnetic powder inspection and ultrasonic examination are used to worm screw, it is ensured that worm screw is without surface and internal flaw.
(3) Co-based alloy powder is prepared, the alloy powder that will be prepared is put into and mixes 2~3 hours in three-dimensional meal mixer, extremely
Uniformly；The mass percent of the Co-based alloy powder is：Titanium carbide 11-14, carbon 0.3-0.7, calcirm-fluoride 5-7, silicon nitride 5-
6th, boron 4-7, silicon 1-3, vanadium 1.1-1.3, iron 6-10, molybdenum 16-20, balance of cobalt, above material are the alloyed powder of 150-300 mesh
End；
(4) by Co-based alloy powder：Binding agent：The mass ratio of acetone is 44-46：2-3.5：The ratio of 1-2.5, by alloy
Powder, binding agent mix with acetone, are equably sprayed on worm screw face, then dry, and coating layer thickness is 1-3mm；The bonding
Agent is epoxy resin；
(5) worm screw is fixed on high-power semiconductor laser cladding numerical control machine for processing, is swashed using high power semi-conductor
The cladding of light device is scanned, and sets laser melting and coating process parameter, and rectangular light spot is 2 × 8mm, and laser scanning speed is 240-480mm/
Min, overlapping rate is 30-40%, and the scan power of semiconductor laser is 2000-3000W, by Co-based alloy powder cladding in snail
Bar surface, uses inert gas shielding in cladding process；The protective gas is argon gas；
(6) worm screw after laser melting coating is machined according to drawing and about technical requirements, reaches size and essence
Degree is required；
(7) surface dye penetrant inspection is carried out to the worm screw after processing, is detected whether defective, it is ensured that the surface quality of worm screw is equal
Reach criterion of acceptability.
The present invention has the following advantages that compared with prior art：
1st, process is simple, energy-conserving and environment-protective, low cost, it is possible to achieve the multiple of worm screw remanufactures.
2nd, the worm screw after remanufacturing has more preferable wearability, corrosion resistance and anti-fatigue performance, reduces use cost,
With prominent economic benefit and social benefit.
3rd, than coaxial powder-feeding, spray to alloy powder is preset on worm screw, melting and coating process can be simplified.
Specific embodiment
Embodiment 1
Surface to worm screw is simply cleared up, and determines worm screw face abrading section and wear extent, according to testing result, goes
Except the fatigue layer 0.5mm of worm screw face, worm screw to be repaired is cleaned repeatedly using absolute ethyl alcohol and acetone, remove and treat cladding position
Greasy dirt and corrosion, and carry out dried process；Using magnetic powder inspection and ultrasonic examination, it is ensured that the worm screw of removal fatigue layer is without table
Face and internal flaw；Prepare Co-based alloy powder, the mass percent of Co-based alloy powder is 14% titanium carbide, 0.3% carbon,
5% calcirm-fluoride, 5% silicon nitride, 4% boron, 3% silicon, 1.1% vanadium, 6% iron, 20% molybdenum, balance of cobalt, above material are
The metal alloy powders of 150-300 mesh, mixing 3 is small during the Co-based alloy powder that will be prepared in proportion is put into three-dimensional meal mixer
When, worm screw is fixed on Laser Processing Digit Control Machine Tool, Co-based alloy powder, binding agent and acetone are pressed 44：3.5：2.5 ratio
Example mixing, is equably sprayed on worm screw face, then dries, and coating layer thickness is 1mm；Then setting laser melting and coating process is joined
Count, laser melting and coating process parameter is：Power P=2000W, 2 × 8mm of rectangular light spot, overlapping rate 30%, scan velocity V=
240mm/min；By alloy powder mixed solution cladding in worm screw face；According to drawing and relevant technical requirements to laser melting coating after
Worm screw be machined；Surface dye penetrant inspection is carried out to the worm screw after processing, is detected whether defective, it is ensured that the chi of worm screw
Very little, shape, precision and surface quality reach criterion of acceptability；Upper antirust oil is soaked after the assay was approved, and last package encapsulation is good.
Embodiment 2
Surface to worm screw is simply cleared up, and determines worm screw face abrading section and its wear extent, according to testing result,
The fatigue layer 1mm of worm screw face is removed, worm screw to be repaired is cleaned repeatedly using absolute ethyl alcohol and acetone, removed and treat cladding position
Greasy dirt and corrosion, and carry out dried process；Using magnetic powder inspection and ultrasonic examination, it is ensured that the worm screw of removal fatigue layer is without table
Face and internal flaw；Alloyage powder, cobalt-based alloy powder powder formulation content by weight percentage is 11% titanium carbide, 0.4%
Carbon, 7% calcirm-fluoride, 6% silicon nitride, 5% boron, 3% silicon, 1.3% vanadium, 8% iron, 16% molybdenum, balance of cobalt, above material are
The metal alloy powders of 150-300 mesh, the alloy powder that will be prepared in proportion mixes 2 hours in being put into three-dimensional meal mixer, system
The pre-alloyed alloy powder of standby host tool；By worm screw be fixed on Laser Processing Digit Control Machine Tool on, by preset alloy powder, binding agent with
Acetone presses 45：3.5：1.5 ratio mixing, is equably sprayed on worm screw face, then dries, and coating layer thickness is 1.5mm；Then
Laser melting and coating process parameter is set, laser melting and coating process parameter is：Power P=2500W, 2 × 8mm of rectangular light spot, overlap joint
Rate 40%, scan velocity V=360mm/min；By alloy powder mixed solution cladding in worm screw face；According to drawing and relevant skill
Art requirement is machined to the worm screw after laser melting coating；Surface dye penetrant inspection is carried out to the worm screw after processing, is detected whether
Has an impact the defect of worm screw mechanical performance, it is ensured that the size of worm screw, shape, precision and surface quality reach criterion of acceptability；Inspection
The qualified upper antirust oil of rear leaching is tested, last package encapsulation is good.
Embodiment 3
Surface to worm screw is simply cleared up, and determines worm screw face abrading section and its wear extent, according to testing result,
The fatigue layer 1.5mm of worm screw face is removed, worm screw to be repaired is cleaned repeatedly using absolute ethyl alcohol and acetone, removed and treat cladding portion
The greasy dirt of position and corrosion, and carry out dried process；Using magnetic powder inspection and ultrasonic examination, it is ensured that removal fatigue layer worm screw without
Surface and internal flaw；Alloyage powder, cobalt-based alloy powder powder formulation content by weight percentage be 12% titanium carbide,
0.7% carbon, 5% calcirm-fluoride, 6% silicon nitride, 6% boron, 2% silicon, 1.2% vanadium, 7% iron, 18% molybdenum, balance of cobalt, above material
Material is the metal alloy powders of 150-300 mesh, and mixing 3 is small during the alloy powder that will be prepared in proportion is put into three-dimensional meal mixer
When, the pre-alloyed alloy powder of processing machinery；Worm screw is fixed on Laser Processing Digit Control Machine Tool, by preset alloy powder, is glued
Knot agent presses 45.5 with acetone：3.5：1 ratio mixing, is equably sprayed on worm screw face, then dries, and coating layer thickness is 2mm；
Then laser melting and coating process parameter is set, laser melting and coating process parameter is：Power P=2500W, 2 × 8mm of rectangular light spot,
Overlapping rate 30%, scan velocity V=240mm/min；By alloy powder mixed solution cladding in worm screw face；According to drawing and have
Technical requirements are closed to be machined the worm screw after laser melting coating；Surface dye penetrant inspection is carried out to the worm screw after processing, is detected
Whether the defect of worm screw mechanical performance is had an impact, it is ensured that the size of worm screw, shape, precision and surface quality reach qualified mark
It is accurate；Upper antirust oil is soaked after the assay was approved, and last package encapsulation is good.
Embodiment 4
Surface to worm screw is simply cleared up, and determines worm screw face abrading section and its wear extent, according to testing result,
The fatigue layer 1mm of worm screw face is removed, worm screw to be repaired is cleaned repeatedly using absolute ethyl alcohol and acetone, removed and treat cladding position
Greasy dirt and corrosion, and carry out dried process；Using magnetic powder inspection and ultrasonic examination, it is ensured that the worm screw of removal fatigue layer is without table
Face and internal flaw；Alloyage powder, Co-based alloy powder content by weight percentage be 13% titanium carbide, 0.5% carbon,
5.5% calcirm-fluoride, 5% silicon nitride, 7% boron, 1% silicon, 1.1% vanadium, 9% iron, 17% molybdenum, balance of cobalt, above material are
The metal alloy powders of 150-300 mesh, the alloy powder that will be prepared in proportion mixes 3 hours in being put into three-dimensional meal mixer, system
The pre-alloyed alloy powder of standby host tool；By worm screw be fixed on Laser Processing Digit Control Machine Tool on, by preset alloy powder, binding agent with
Acetone presses 46：2：2 ratio mixing, is equably sprayed on worm screw face, then dries, and coating layer thickness is 2mm；Then set and swash
Light device melting and coating process parameter, laser melting and coating process parameter is：Power P=3000W, 2 × 8mm of rectangular light spot, overlapping rate 40%,
Scan velocity V=360mm/min；By alloy powder mixed solution cladding in worm screw face；According to drawing and relevant technical requirements
Worm screw after laser melting coating is machined；Surface dye penetrant inspection is carried out to the worm screw after processing, detects whether have an impact
The defect of worm screw mechanical performance, it is ensured that the size of worm screw, shape, precision and surface quality reach criterion of acceptability；Inspection is qualified
Upper antirust oil is soaked afterwards, and last package encapsulation is good.
Embodiment 5
Surface to worm screw is simply cleared up, and determines worm screw face abrading section and its wear extent, according to testing result,
The fatigue layer 2mm of worm screw face is removed, worm screw to be repaired is cleaned repeatedly using absolute ethyl alcohol and acetone, removed and treat cladding position
Greasy dirt and corrosion, and carry out dried process；Using magnetic powder inspection and ultrasonic examination, it is ensured that the worm screw of removal fatigue layer is without table
Face and internal flaw；Alloyage powder, cobalt-based alloy powder powder formulation content by weight percentage is 11% titanium carbide, 0.6%
Carbon, 7% calcirm-fluoride, 6% silicon nitride, 7% boron, 1% silicon, 1.1% vanadium, 9% iron, 17% molybdenum, balance of cobalt, above material are
The metal alloy powders of 150-300 mesh, the alloy powder that will be prepared in proportion mixes 3 hours in being put into three-dimensional meal mixer, system
The pre-alloyed alloy powder of standby host tool；By worm screw be fixed on Laser Processing Digit Control Machine Tool on, by preset alloy powder, binding agent with
Acetone presses 45.5：2：2.5 ratio mixing, is equably sprayed on worm screw face, then dries, and coating layer thickness is 2.5mm；Then
Laser melting and coating process parameter is set, laser melting and coating process parameter is：Power P=3000W, 2 × 8mm of rectangular light spot, overlap joint
Rate 30%, scan velocity V=480mm/min；By alloy powder mixed solution cladding in worm screw face；According to drawing and relevant skill
Art requirement is machined to the worm screw after laser melting coating；Surface dye penetrant inspection is carried out to the worm screw after processing, is detected whether
Has an impact the defect of worm screw mechanical performance, it is ensured that the size of worm screw, shape, precision and surface quality reach criterion of acceptability；Inspection
The qualified upper antirust oil of rear leaching is tested, last package encapsulation is good.
Embodiment 6
Surface to worm screw is simply cleared up, and determines worm screw face abrading section and its wear extent, according to testing result,
The fatigue layer 2mm of worm screw face is removed, worm screw to be repaired is cleaned repeatedly using absolute ethyl alcohol and acetone, removed and treat cladding position
Greasy dirt and corrosion, and carry out dried process；Using magnetic powder inspection and ultrasonic examination, it is ensured that the worm screw of removal fatigue layer is without table
Face and internal flaw；Alloyage powder, cobalt-based alloy powder powder formulation content by weight percentage is 14% titanium carbide, 0.7%
Carbon, 6.5% calcirm-fluoride, 5% silicon nitride, 5% boron, 2% silicon, 1.3% vanadium, 10% iron, 19% molybdenum, balance of cobalt, above material
The metal alloy powders of 150-300 mesh are, mixing 2 is small during the alloy powder that will be prepared in proportion is put into three-dimensional meal mixer
When, the pre-alloyed alloy powder of processing machinery；Worm screw is fixed on Laser Processing Digit Control Machine Tool, by preset alloy powder, is glued
Knot agent presses 44.5 with acetone：3.5：2.5 ratio mixing, is equably sprayed on worm screw face, then dries, and coating layer thickness is
3mm；Then laser melting and coating process parameter is set, laser melting and coating process parameter is：Power P=3000W, rectangular light spot 2 ×
8mm, overlapping rate 30%, scan velocity V=240mm/min；By alloy powder mixed solution cladding in worm screw face；According to drawing
And the worm screw after laser melting coating is machined about technical requirements；Surface dye penetrant inspection is carried out to the worm screw after processing,
Detect whether have an impact the defect of worm screw mechanical performance, it is ensured that it is qualified that the size of worm screw, shape, precision and surface quality reach
Standard；Upper antirust oil is soaked after the assay was approved, and last package encapsulation is good.
Embodiment 7
Surface to worm screw is simply cleared up, and determines worm screw face abrading section and its wear extent, according to testing result,
The fatigue layer 1.5mm of worm screw face is removed, worm screw to be repaired is cleaned repeatedly using absolute ethyl alcohol and acetone, removed and treat cladding portion
The greasy dirt of position and corrosion, and carry out dried process；Using magnetic powder inspection and ultrasonic examination, it is ensured that removal fatigue layer worm screw without
Surface and internal flaw；Alloyage powder, cobalt-based alloy powder powder formulation content by weight percentage is 12% titanium carbide,
0.3% carbon, 6% calcirm-fluoride, 5% silicon nitride, 4% boron, 3% silicon, 1.3% vanadium, 6% iron, 16% molybdenum, balance of cobalt-based, the above
Material is the metal alloy powders of 150-300 mesh, and the alloy powder that will be prepared in proportion mixes 3 in being put into three-dimensional meal mixer
Hour, the pre-alloyed alloy powder of processing machinery；By worm screw be fixed on Laser Processing Digit Control Machine Tool on, by preset alloy powder,
Binding agent presses 44 with acetone：3.5：2.5 ratio mixing, is equably sprayed on worm screw face, then dries, and coating layer thickness is
3mm；Then laser melting and coating process parameter is set, laser melting and coating process parameter is：Power P=3000W, rectangular light spot 2 ×
8mm, overlapping rate 40%, scan velocity V=360mm/min；By alloy powder mixed solution cladding in worm screw face；According to drawing
And the worm screw after laser melting coating is machined about technical requirements；Surface dye penetrant inspection is carried out to the worm screw after processing,
Detect whether have an impact the defect of worm screw mechanical performance, it is ensured that it is qualified that the size of worm screw, shape, precision and surface quality reach
Standard；Upper antirust oil is soaked after the assay was approved, and last package encapsulation is good.
Claims (1)
1. the laser melting coating reproducing method of a kind of worm screw, it is characterised in that：
(1) surface to worm screw is simply cleared up, and determines worm screw face abrading section and its wear extent, according to testing result,
Remove the fatigue layer of worm screw face；Worm screw to be repaired is cleaned repeatedly using absolute ethyl alcohol and acetone, is removed and is treated cladding position
Greasy dirt and corrosion, and carry out dried process；
(2) magnetic powder inspection and ultrasonic examination are used to worm screw, it is ensured that worm screw is without surface and internal flaw.
(3) Co-based alloy powder is prepared, the alloy powder that will be prepared is put into three-dimensional meal mixer and mixes 2~3 hours, to equal
It is even；The mass percent of the Co-based alloy powder is：Titanium carbide 11-14, carbon 0.3-0.7, calcirm-fluoride 5-7, silicon nitride 5-6,
Boron 4-7, silicon 1-3, vanadium 1.1-1.3, iron 6-10, molybdenum 16-20, balance of cobalt, above material are the alloyed powder of 150-300 mesh
End；
(4) by Co-based alloy powder：Binding agent：The mass ratio of acetone is 44-46：2-3.5：The ratio of 1-2.5, by alloyed powder
Then the mixed solution even application of end, binding agent and acetone dries in worm screw face, and coating layer thickness is 1-3mm；The bonding
Agent is epoxy resin；
(5) worm screw is fixed on high-power semiconductor laser cladding numerical control machine for processing, using high power semiconductor lasers
Cladding is scanned, and sets laser melting and coating process parameter, and rectangular light spot is 2 × 8mm, and laser scanning speed is 240-480mm/min,
Overlapping rate is 30-40%, and the scan power of semiconductor laser is 2000-3000W, by Co-based alloy powder cladding in worm screw table
Face, uses inert gas shielding in cladding process；The protective gas is argon gas；
(6) worm screw after laser melting coating is machined according to drawing and about technical requirements, reaches size and precision will
Ask；
(7) surface dye penetrant inspection is carried out to the worm screw after processing, is detected whether defective, it is ensured that the surface quality of worm screw reaches
Criterion of acceptability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034303.9A CN106757011A (en) | 2017-01-17 | 2017-01-17 | A kind of laser melting coating reproducing method of worm screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034303.9A CN106757011A (en) | 2017-01-17 | 2017-01-17 | A kind of laser melting coating reproducing method of worm screw |
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| CN106757011A true CN106757011A (en) | 2017-05-31 |
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ID=58946285
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| CN201710034303.9A Pending CN106757011A (en) | 2017-01-17 | 2017-01-17 | A kind of laser melting coating reproducing method of worm screw |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107267977A (en) * | 2017-06-07 | 2017-10-20 | 燕山大学 | A kind of laser melting coating reproducing method of vehicle track plate |
| CN111020563A (en) * | 2019-12-11 | 2020-04-17 | 安徽泰尔表面工程技术有限公司 | Remanufacturing method for direct laser cladding of failure carburized and quenched part |
| CN112501608A (en) * | 2020-11-18 | 2021-03-16 | 辽宁中成智造科技有限公司 | Centrifuge screen basket strengthening process based on laser nanotechnology |
| CN114032540A (en) * | 2021-10-27 | 2022-02-11 | 镇江同舟螺旋桨有限公司 | Propeller surface strength reinforcing process based on laser cladding |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107267977A (en) * | 2017-06-07 | 2017-10-20 | 燕山大学 | A kind of laser melting coating reproducing method of vehicle track plate |
| CN111020563A (en) * | 2019-12-11 | 2020-04-17 | 安徽泰尔表面工程技术有限公司 | Remanufacturing method for direct laser cladding of failure carburized and quenched part |
| CN112501608A (en) * | 2020-11-18 | 2021-03-16 | 辽宁中成智造科技有限公司 | Centrifuge screen basket strengthening process based on laser nanotechnology |
| CN114032540A (en) * | 2021-10-27 | 2022-02-11 | 镇江同舟螺旋桨有限公司 | Propeller surface strength reinforcing process based on laser cladding |
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Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |