CN104862693B - A kind of laser melting coating restorative procedure of cone pulley for metal-wire drawing machine - Google Patents
A kind of laser melting coating restorative procedure of cone pulley for metal-wire drawing machine Download PDFInfo
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- CN104862693B CN104862693B CN201510200543.2A CN201510200543A CN104862693B CN 104862693 B CN104862693 B CN 104862693B CN 201510200543 A CN201510200543 A CN 201510200543A CN 104862693 B CN104862693 B CN 104862693B
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- 238000000576 coating method Methods 0.000 title claims abstract description 27
- 230000008018 melting Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000011248 coating agent Substances 0.000 title claims abstract description 21
- 238000005491 wire drawing Methods 0.000 title claims abstract description 21
- 238000002844 melting Methods 0.000 title claims abstract description 20
- 238000005253 cladding Methods 0.000 claims abstract description 46
- 239000000843 powder Substances 0.000 claims abstract description 39
- 229910052742 iron Inorganic materials 0.000 claims abstract description 25
- 229910001092 metal group alloy Inorganic materials 0.000 claims abstract description 24
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 9
- 239000004615 ingredient Substances 0.000 claims abstract description 9
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 9
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 9
- 239000004065 semiconductor Substances 0.000 claims abstract description 8
- 238000010583 slow cooling Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 40
- 238000007689 inspection Methods 0.000 claims description 16
- 230000007547 defect Effects 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 9
- 238000003556 assay Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 8
- 239000006247 magnetic powder Substances 0.000 claims description 8
- 235000012054 meals Nutrition 0.000 claims description 8
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 8
- 229920002554 vinyl polymer Polymers 0.000 claims description 8
- 229910000906 Bronze Inorganic materials 0.000 claims description 6
- 239000010974 bronze Substances 0.000 claims description 6
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 6
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 3
- 238000004372 laser cladding Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000010348 incorporation Methods 0.000 claims description 2
- 239000004816 latex Substances 0.000 claims description 2
- 229920000126 latex Polymers 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 6
- 238000010309 melting process Methods 0.000 description 6
- 238000010422 painting Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007751 thermal spraying Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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- 238000011031 large-scale manufacturing process Methods 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
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- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of laser melting coating restorative procedure of cone pulley for metal-wire drawing machine, cone pulley working surface abrasion size is measured first, then removes cone pulley working surface fatigue layer again；Rare metal alloy powder is prepared using mechanical mix techniques, powdered ingredients mass percent is：C：3.5 5.0%, Cr：15.0 20.0%, Si：3.5 5.5%, B：3.0 4.5%, W：6.0 10.0%, Y：2.0 4.0%, Fe<5.0%, surplus Ni；Using coaxial powder-feeding method, scanned by high power semiconductor lasers, by alloy powder cladding on cone pulley working surface；Cone pulley after cladding is put into incubator, is allowed to Slow cooling；Cone pulley after cooling is machined, obtains the cone pulley that size, shape and precision are satisfied by requiring.Present invention process is simple, controllability is strong, energy resource consumption is few, and the cone pulley after reparation is not in flawless and stomata, and service life is longer.
Description
The invention belongs to field of machining, more particularly to a kind of restorative procedure of component of machine for technical field.
Background technology wire drawing machine is the important plant equipment of steel industry, and its is simple in construction, compact, easy to operate, is drawn
Speed height is pulled out, cooling condition is good, die life length, and environmental protection is without dust, the cleaning of finished product Steel Wire Surface and without torsion.But drawing
During steel wire, therefore steel wire simultaneously produces adhesive wear and abrasive wear there is relative slip all the time with cone pulley has counter pull drawing
Characteristic, so as to cause cone pulley abrasion to scrap and (reprocess) frequently, the Steel Wire Surface that frays and lubricating layer, produced when serious and draw white drawing crack to show
As making production not carry out.
At present, cone pulley for metal-wire drawing machine restorative procedure mainly has：Built-up welding, thermal spraying etc..But the technologies such as built-up welding, thermal spraying are all handles
Alloy powder and base material machinery are combined together, the part after reparation under arms during alloy coat be easy to come off and
There is many defects, such as crackle, stomata etc. for coating.
It is an object of the invention to provide a kind of technique is simple, controllability is strong, energy resource consumption is few, to environment for the content of the invention
Pollute small, the cone pulley for metal-wire drawing machine after reparation is not in swashing for flawless and stomata and the longer cone pulley for metal-wire drawing machine of service life
Light cladding restorative procedure.
The restorative procedure of the present invention comprises the following steps：
(1) disintegration dismounting is carried out to the cone pulley of wire drawing machine, clean, mark know, detected size, determine cone pulley abrading section and
Its wear extent；According to testing result, the fretting fatigue layer of cone pulley is removed.
(2) magnetic powder inspection and ultrasonic examination are used, it is ensured that cone pulley is without surface and internal flaw.
(3) rare metal alloy powder is prepared, powdered ingredients mass percent is：C：3.5-5.0%, Cr：15.0-
20.0%, Si：3.5-5.5%, B：3.0-4.5%, W：6.0-10.0%, Y：2.0-4.0%, Fe<5.0%, surplus Ni.It is described
Rare metal alloy powder is 200-300 mesh.
(4) above-mentioned rare metal alloy powder is put into mechanical three-dimensional meal mixer and be sufficiently mixed, incorporation time is 2 small
When.
(5) because cone pulley working surface outward flange must be right angle, with Ф 5mm~Ф 7mm iron wire along perpendicular to cone pulley
Horizontal edge on the outside of axis and working face welds one week.By the alloy powder that step (4) mixes and white glue with vinyl in mass ratio 3：1
Ratio mixing after stir, to being well mixed to powder with latex, have certain viscosity and without caking, then be uniformly applied to tower
In gap between wheel and iron wire, cladding is then carried out.
(6) cone pulley is fixed on ZHB positioners, using semiconductor laser, sets laser cladding ginseng technique
Number is：Power P=800~3800W, 2 × 8mm of rectangular light spot, overlapping rate 10~50%, scan velocity V=100~720mm/
min；Laser melting coating is carried out by the way of coaxial powder-feeding to surface to be repaired, powder feed rate is 150~250g/min, will be welded
The chuck of positioner lifts 35 °~55 °, first carries out 2~4 layers of cladding to cone pulley inward flange, then the chuck of positioner is put into water
Flat position carries out laser melting coating, 3~5 layers of cone pulley working surface cladding, alloy to cone pulley outer surface using coaxial powder-feeding method
Cladding layer thickness reaches 4~5mm.
(7) cone pulley after laser melting coating is put into incubator, is allowed to Slow cooling.
(8) surface dye penetrant inspection is carried out to the cone pulley after cooling, whether detection cone pulley surface has the defects of crackle, stomata.
(9) according to drawing and relevant technical requirements, the cone pulley after laser melting coating reparation is machined, obtains chi
The qualified product of very little, shape, precision and surface quality, antirust oil is applied in finished parts after the assay was approved, is finally packed.
The cone pulley that the present invention is worn using laser cladding method reparation, the reparation problem of cone pulley wear surface is not only solved,
Also extend the service life of cone pulley.
The present invention also has the following advantages that compared with prior art：
1st, technique is simple, and controllability is strong, and cost is low, and energy resource consumption is few, and environmental pollution is small, is adapted to large-scale production；
2nd, the cone pulley for metal-wire drawing machine after repairing is not in alloy coat obscission and alloy coat dense structure, nothing are split
The defects of line and stomata.
3rd, substantial amounts of WC particle enhancing phase in disperse in the cone pulley for metal-wire drawing machine working surface alloy-layer prepared using the present invention,
And there is rare earth oxide Y in alloy-layer2Ο3, refined the crystal grain of metal level, metal level reaches preferable hardness
And abrasion resistance properties, its service life of cone pulley for metal-wire drawing machine after reparation is compared to the cone pulley for metal-wire drawing machine life-span obtained by quenching technical
More than 2 times are improved, there is prominent economic benefit and social benefit.
Embodiment
Embodiment 1
Disintegration dismounting is carried out to the cone pulley of wire drawing machine first, cleaned, mark is known, and detected size, determines cone pulley abrading section
And its wear extent, uneven wear amount have reached 2mm；According to testing result, then remove the fretting fatigue layer 1mm of cone pulley.To removing
Cone pulley after fatigue layer, reserve 3mm cladding surplus.Using magnetic powder inspection and ultrasonic examination, it is ensured that cone pulley is without surface and interior
Portion's defect.To improve the hardness of cone pulley working face, rare metal alloy powder is prepared, powdered ingredients mass percent is：C：
3.5%, Cr：15.0%, Si：3.5%, B：3.0%, W：6.0%, Y：2.0%, Fe：2.0%, surplus Ni.Above-mentioned rare metal
Alloy powder is 200-300 mesh, and above-mentioned rare metal alloy powder is put into mechanical three-dimensional meal mixer to be sufficiently mixed 2 small
When.Welded one week along the horizontal edge on the outside of cone pulley axis and working face with Ф 6mm iron wire, by the conjunction of above-mentioned mixing
Bronze end and white glue with vinyl in mass ratio 3：Stirred after 1 ratio mixing, have certain viscosity and without caking, then uniform painting
It is put in the gap between cone pulley and iron wire, then carries out cladding.Cone pulley is fixed on ZHB positioners, using semiconductor
Laser, set laser melting and coating process parameter as：Power P=2000W, 2 × 8mm of rectangular light spot, overlapping rate 30%, scanning speed
Spend V=400mm/min；Powder feed rate is 180g/min, and the chuck of positioner is lifted into 35 °, and cone pulley inward flange is carried out
2 layers of cladding.Then, the chuck of positioner is put into horizontal position and laser is carried out using coaxial powder-feeding method to cone pulley outer surface
Cladding, 3 layers of cladding, alloy cladding layer one-sided thickness reaches 4mm.Cone pulley after laser melting coating is put into incubator, is allowed to slow
Slow cool down.Surface dye penetrant inspection is carried out to the cone pulley after cooling, detects whether have an impact the defects of cone pulley mechanical performance.According to figure
Paper and the cone pulley after cooling is machined about technical requirements.Checked to cone pulley precision measurement and detection, and to it,
Examine its repairing quality whether qualified, apply antirust oil in finished parts after the assay was approved, finally packed.
Embodiment 2
Disintegration dismounting is carried out to the cone pulley of wire drawing machine first, cleaned, mark is known, and detected size, determines cone pulley abrading section
And its wear extent, uneven wear amount have reached 2mm；According to testing result, then remove the fretting fatigue layer 2mm of cone pulley.To removing
Cone pulley after fatigue layer, reserve 4mm cladding surplus.Using magnetic powder inspection and ultrasonic examination, it is ensured that cone pulley is without surface and interior
Portion's defect.To improve the hardness of cone pulley working face, rare metal alloy powder is prepared, powdered ingredients mass percent is：C：
3.8%, Cr：16.0%, Si：3.8%, B：3.3%, W：6.5%, Y：2.0%, Fe：3.0%, surplus Ni.Above-mentioned rare metal
Alloy powder is 200-300 mesh, and above-mentioned rare metal alloy powder is put into mechanical three-dimensional meal mixer to be sufficiently mixed 2 small
When.Welded one week along the horizontal edge on the outside of cone pulley axis and working face with Ф 6mm iron wire, by the conjunction of above-mentioned mixing
Bronze end and white glue with vinyl in mass ratio 3：Stirred after 1 ratio mixing, have certain viscosity and without caking, then uniform painting
It is put in the gap between cone pulley and iron wire, then carries out cladding.Cone pulley is fixed on ZHB positioners, using semiconductor
Laser, set laser melting and coating process parameter as：Power P=2500W, 2 × 8mm of rectangular light spot, overlapping rate 20%, scanning speed
Spend V=300mm/min；Powder feed rate is 200g/min, and the chuck of positioner is lifted into 40 °, and cone pulley inward flange is carried out
3 layers of cladding.Then, the chuck of positioner is put into horizontal position and laser is carried out using coaxial powder-feeding method to cone pulley outer surface
Cladding, 4 layers of cladding, alloy cladding layer thickness reaches 5mm.Cone pulley after laser melting coating is put into incubator, is allowed to slowly cold
But.Surface dye penetrant inspection is carried out to the cone pulley after cooling, detects whether have an impact the defects of cone pulley mechanical performance.According to drawing and
The cone pulley after cooling is machined about technical requirements.Check, examine to cone pulley precision measurement and detection, and to it
Whether its repairing quality is qualified, applies antirust oil in finished parts after the assay was approved, is finally packed.
Embodiment 3
Disintegration dismounting is carried out to the cone pulley of wire drawing machine first, cleaned, mark is known, and detected size, determines cone pulley abrading section
And its wear extent, uneven wear amount have reached 3mm；According to testing result, then remove the fretting fatigue layer 1mm of cone pulley.To removing
Cone pulley after fatigue layer, reserve 4mm cladding surplus.Using magnetic powder inspection and ultrasonic examination, it is ensured that cone pulley is without surface and interior
Portion's defect.To improve the hardness of cone pulley working face, rare metal alloy powder is prepared, powdered ingredients mass percent is：C：
4.2%, Cr：17.0%, Si：4.0%, B：3.5%, W：8.0%, Y：3.0%, Fe：3.0%, surplus Ni.Above-mentioned rare metal
Alloy powder is 200-300 mesh, and above-mentioned rare metal alloy powder is put into mechanical three-dimensional meal mixer to be sufficiently mixed 2 small
When.Welded one week along the horizontal edge on the outside of cone pulley axis and working face with Ф 6mm iron wire, by the conjunction of above-mentioned mixing
Bronze end and white glue with vinyl in mass ratio 3：Stirred after 1 ratio mixing, have certain viscosity and without caking, then uniform painting
It is put in the gap between cone pulley and iron wire, then carries out cladding.Cone pulley is fixed on ZHB positioners, using semiconductor
Laser, set laser melting and coating process parameter as：Power P=2800W, 2 × 8mm of rectangular light spot, overlapping rate 10%, scanning speed
Spend V=250mm/min；Powder feed rate is 180g/min, and the chuck of positioner is lifted into 45 °, and cone pulley inward flange is carried out
3 layers of cladding.Then, the chuck of positioner is put into horizontal position and laser is carried out using coaxial powder-feeding method to cone pulley outer surface
Cladding, 4 layers of cladding, alloy cladding layer thickness reaches 5mm.Cone pulley after laser melting coating is put into incubator, is allowed to slowly cold
But.Surface dye penetrant inspection is carried out to the cone pulley after cooling, detects whether have an impact the defects of cone pulley mechanical performance.According to drawing and
The cone pulley after cooling is machined about technical requirements.Check, examine to cone pulley precision measurement and detection, and to it
Whether its repairing quality is qualified, applies antirust oil in finished parts after the assay was approved, is finally packed.
Embodiment 4
Disintegration dismounting is carried out to the cone pulley of wire drawing machine first, cleaned, mark is known, and detected size, determines cone pulley abrading section
And its wear extent, uneven wear amount have reached 3mm；According to testing result, then remove the fretting fatigue layer 1mm of cone pulley.To removing
Cone pulley after fatigue layer, reserve 4mm cladding surplus.Using magnetic powder inspection and ultrasonic examination, it is ensured that cone pulley is without surface and interior
Portion's defect.To improve the hardness of cone pulley working face, rare metal alloy powder is prepared, powdered ingredients mass percent is：C：
4.5%, Cr：18.0%, Si：5.0%, B：4.0%, W：8.5%, Y：3.0%, Fe：3.5%, surplus Ni.Above-mentioned rare metal
Alloy powder is 200-300 mesh, and above-mentioned rare metal alloy powder is put into mechanical three-dimensional meal mixer to be sufficiently mixed 2 small
When.Welded one week along the horizontal edge on the outside of cone pulley axis and working face with Ф 6mm iron wire, by the conjunction of above-mentioned mixing
Bronze end and white glue with vinyl in mass ratio 3：Stirred after 1 ratio mixing, have certain viscosity and without caking, then uniform painting
It is put in the gap between cone pulley and iron wire, then carries out cladding.Cone pulley is fixed on ZHB positioners, using semiconductor
Laser, set laser melting and coating process parameter as：Power P=3000W, 2 × 8mm of rectangular light spot, overlapping rate 50%, scanning speed
Spend V=350mm/min；Powder feed rate is 180g/min, and the chuck of positioner is lifted into 50 °, and cone pulley inward flange is carried out
3 layers of cladding.Then, the chuck of positioner is put into horizontal position and laser is carried out using coaxial powder-feeding method to cone pulley outer surface
Cladding, 4 layers of cladding, alloy cladding layer thickness reaches 5mm.Cone pulley after laser melting coating is put into incubator, is allowed to slowly cold
But.Surface dye penetrant inspection is carried out to the cone pulley after cooling, detects whether have an impact the defects of cone pulley mechanical performance.According to drawing and
The cone pulley after cooling is machined about technical requirements..Check, examine to cone pulley precision measurement and detection, and to it
Whether qualified test its repairing quality, apply antirust oil in finished parts after the assay was approved, finally packed.
Embodiment 5
Disintegration dismounting is carried out to the cone pulley of wire drawing machine first, cleaned, mark is known, and detected size, determines cone pulley abrading section
And its wear extent, uneven wear amount have reached 2mm；According to testing result, then remove the fretting fatigue layer 2mm of cone pulley.To removing
Cone pulley after fatigue layer, reserve 4mm cladding surplus.Using magnetic powder inspection and ultrasonic examination, it is ensured that cone pulley is without surface and interior
Portion's defect.To improve the hardness of cone pulley working face, rare metal alloy powder is prepared, powdered ingredients mass percent is：C：
3.5%, Cr：19.0%, Si：5.0%, B：4.5%, W：9.0%, Y：2.0%, Fe：4.0%, surplus Ni.Above-mentioned rare metal
Alloy powder is 200-300 mesh, and above-mentioned rare metal alloy powder is put into mechanical three-dimensional meal mixer to be sufficiently mixed 2 small
When.Welded one week along the horizontal edge on the outside of cone pulley axis and working face with Ф 6mm iron wire, by the conjunction of above-mentioned mixing
Bronze end and white glue with vinyl in mass ratio 3：Stirred after 1 ratio mixing, have certain viscosity and without caking, then uniform painting
It is put in the gap between cone pulley and iron wire, then carries out cladding.Cone pulley is fixed on ZHB positioners, using semiconductor
Laser, set laser melting and coating process parameter as：Power P=3800W, 2 × 8mm of rectangular light spot, overlapping rate 20%, scanning speed
Spend V=720mm/min；Powder feed rate is 250g/min, and the chuck of positioner is lifted into 45 °, and cone pulley inward flange is carried out
4 layers of cladding.Then, the chuck of positioner is put into horizontal position and laser is carried out using coaxial powder-feeding method to cone pulley outer surface
Cladding, 5 layers of cladding, alloy cladding layer thickness reaches 5mm.Cone pulley after laser melting coating is put into incubator, is allowed to slowly cold
But.Surface dye penetrant inspection is carried out to the cone pulley after cooling, detects whether have an impact the defects of cone pulley mechanical performance.According to drawing and
The cone pulley after cooling is machined about technical requirements.Check, examine to cone pulley precision measurement and detection, and to it
Whether its repairing quality is qualified, applies antirust oil in finished parts after the assay was approved, is finally packed.
Embodiment 6
Disintegration dismounting is carried out to the cone pulley of wire drawing machine first, cleaned, mark is known, and detected size, determines cone pulley abrading section
And its wear extent, uneven wear amount have reached 1.5mm；According to testing result, then remove the fretting fatigue layer 2mm of cone pulley.To going
Except the cone pulley after fatigue layer, reserved 3.5mm cladding surplus.Using magnetic powder inspection and ultrasonic examination, it is ensured that remove cone pulley without table
Face and internal flaw.To improve the hardness of cone pulley working face, rare metal alloy powder, powdered ingredients mass percent are prepared
For：C：5.0%, Cr：20.0%, Si：5.5%, B：4.5%, W：10.0%, Y：4.0%, Fe：3.0%, surplus Ni.It is above-mentioned dilute
It is 200-300 mesh to have metal alloy powders, above-mentioned rare metal alloy powder is put into fully mixed in mechanical three-dimensional meal mixer
Close 2 hours.Welded one week with horizontal edge of the Ф 6mm iron wire on the outside of cone pulley axis and working face, by above-mentioned mixing
Alloy powder and white glue with vinyl in mass ratio 3：Stirred after 1 ratio mixing, have certain viscosity and without caking, then uniformly
The gap being applied between cone pulley and iron wire in, then carry out cladding.Cone pulley is fixed on ZHB positioners, using half
Conductor laser, set laser melting and coating process parameter as：Power P=800W, 2 × 8mm of rectangular light spot, overlapping rate 30%, sweep
Retouch speed V=100mm/min；Powder feed rate is 150g/min, the chuck of positioner is lifted into 55 °, to cone pulley inward flange
Carry out 3 layers of cladding.Then, the chuck of positioner is put into horizontal position to carry out cone pulley outer surface using coaxial powder-feeding method
Laser melting coating, 4 layers of cladding, alloy cladding layer thickness reaches 4.5mm.Cone pulley after laser melting coating is put into incubator, is allowed to
Slow cooling.Surface dye penetrant inspection is carried out to the cone pulley after cooling, detects whether have an impact the defects of cone pulley mechanical performance.According to
Drawing and the cone pulley after cooling is machined about technical requirements.School is carried out to cone pulley precision measurement and detection, and to it
Core, examine its repairing quality whether qualified, apply antirust oil in finished parts after the assay was approved, finally packed.
Claims (2)
1. a kind of laser melting coating restorative procedure of cone pulley for metal-wire drawing machine, it is characterized in that：It comprises the following steps：
(1) disintegration dismounting is carried out to the cone pulley of wire drawing machine, cleaned, mark is known, and detected size, determines cone pulley abrading section and its mill
Damage amount；According to testing result, the fretting fatigue layer of cone pulley is removed；
(2) magnetic powder inspection and ultrasonic examination are used, it is ensured that cone pulley is without surface and internal flaw；
(3) rare metal alloy powder is prepared, powdered ingredients mass percent is：C：3.5-5.0%, Cr：15.0-20%, Si：
3.5-5.5%, B：3.0-4.5%, W：6.0-10.0%, Y：2.0-4.0%, Fe<5.0%, surplus Ni；
(4) above-mentioned rare metal alloy powder is put into mechanical three-dimensional meal mixer and be sufficiently mixed, incorporation time is 2 hours；
(5) because cone pulley working surface outward flange must be right angle, with Ф 5mm~Ф 7mm iron wire along perpendicular to cone pulley axis
And the horizontal edge on the outside of working face welds one week；By the alloy powder that step (4) mixes and white glue with vinyl in mass ratio 3：1 ratio
Stirred after example mixing, to being well mixed to powder with latex, have certain viscosity and without caking, then be uniformly applied to cone pulley and
In gap between iron wire, cladding is then carried out；
(6) cone pulley is fixed on ZHB positioners, using semiconductor laser, set laser cladding join technique number as：
Power P=800~3800W, 2 × 8mm of rectangular light spot, overlapping rate 10~50%, scan velocity V=100~720mm/min；It is right
Complex surface to be repaired carries out laser melting coating by the way of coaxial powder-feeding, and powder feed rate is 150~250g/min, by positioner
Chuck lift 35 °~55 °, 2~4 layers of cladding first is carried out to cone pulley inward flange, then the chuck of positioner is put into horizontal position
Put and laser melting coating, 3~5 layers of cone pulley working surface cladding, alloy cladding layer are carried out using coaxial powder-feeding method to cone pulley outer surface
Thickness reaches 4~5mm；
(7) cone pulley after laser melting coating is put into incubator, is allowed to Slow cooling；
(8) surface dye penetrant inspection is carried out to the cone pulley after cooling, whether detection cone pulley surface has crackle, gas hole defect；
(9) according to drawing and relevant technical requirements, the cone pulley after laser melting coating reparation is machined, obtains size, shape
The qualified finished parts of shape, precision and surface quality, antirust oil is applied in finished parts after the assay was approved, is finally packed.
2. the laser melting coating restorative procedure of cone pulley for metal-wire drawing machine according to claim 1, it is characterized in that：The rare metal closes
Bronze end is 200-300 mesh.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510200543.2A CN104862693B (en) | 2015-04-24 | 2015-04-24 | A kind of laser melting coating restorative procedure of cone pulley for metal-wire drawing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510200543.2A CN104862693B (en) | 2015-04-24 | 2015-04-24 | A kind of laser melting coating restorative procedure of cone pulley for metal-wire drawing machine |
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| CN104862693A CN104862693A (en) | 2015-08-26 |
| CN104862693B true CN104862693B (en) | 2018-04-06 |
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| CN108149242A (en) * | 2017-12-21 | 2018-06-12 | 甘肃兰煤机械制造有限公司 | A kind of restorative procedure of the waste and old mechanical wear component of large-scale mine |
| CN110684975B (en) * | 2019-09-25 | 2022-02-08 | 成都青石激光科技有限公司 | Preparation process of wear-resistant layer of aluminum alloy traction wheel |
| CN111411357A (en) * | 2020-04-24 | 2020-07-14 | 燕山大学 | Laser cladding remanufacturing method of crown block wheel |
| CN113061885A (en) * | 2021-03-24 | 2021-07-02 | 马鞍山钢铁股份有限公司 | Laser cladding repair method for circular cooler bend |
| CN115287648B (en) * | 2022-08-04 | 2023-11-07 | 沈阳大陆激光工程技术有限公司 | Wide-temperature-range laser cladding wear-resistant material and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1295969A1 (en) * | 2001-09-22 | 2003-03-26 | ALSTOM (Switzerland) Ltd | Method of growing a MCrAIY-coating and an article coated with the MCrAIY-coating |
| CN100439521C (en) * | 2005-04-19 | 2008-12-03 | 沈阳大陆激光技术有限公司 | Powdery alloy processing material in site by movable laser smelt-coating process |
| CN101705410A (en) * | 2009-10-16 | 2010-05-12 | 孙晓冰 | Wear-resistant and thermal corrosion resistant multi-element aluminum-silicon-carbon nitride metal ceramic for laser cladding |
| CN104233282B (en) * | 2013-06-20 | 2016-12-28 | 沈阳大陆激光技术有限公司 | A kind of Co-based alloy powder repaired for wheel disc of turbocharger of internal combustion engine |
| CN104388925A (en) * | 2014-10-17 | 2015-03-04 | 燕山大学 | Method for remanufacturing wire-drawing wheel |
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