CN104005020B - A kind of manufacture method of helicoid hydraulic motor transverse bearing - Google Patents
A kind of manufacture method of helicoid hydraulic motor transverse bearing Download PDFInfo
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- CN104005020B CN104005020B CN201410234544.4A CN201410234544A CN104005020B CN 104005020 B CN104005020 B CN 104005020B CN 201410234544 A CN201410234544 A CN 201410234544A CN 104005020 B CN104005020 B CN 104005020B
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- melting coating
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- axle sleeve
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 230000008018 melting Effects 0.000 claims abstract description 23
- 238000002844 melting Methods 0.000 claims abstract description 22
- 239000000956 alloy Substances 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 13
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 12
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 6
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 6
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 19
- 238000004372 laser cladding Methods 0.000 claims description 15
- 229910052786 argon Inorganic materials 0.000 claims description 10
- 238000000137 annealing Methods 0.000 claims description 4
- 238000013021 overheating Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000012254 powdered material Substances 0.000 claims description 2
- 238000005253 cladding Methods 0.000 abstract description 15
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000005245 sintering Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003245 working effect Effects 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003082 abrasive agent Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910003286 Ni-Mn Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
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- Sliding-Contact Bearings (AREA)
Abstract
A kind of manufacture method of helicoid hydraulic motor transverse bearing belongs to technical field of laser processing.At the Fe based composites wearing layer that the internal axle sleeve outer round surface laser melting coating thickness of transverse bearing is 1.5-2.5mm, be the Ni base superhard wear alloy coat of 1.5-2.5mm at the outer shaft bore surface laser melting coating thickness of transverse bearing.Described Ni base alloy composition is C:0.8-1.2wt%, B:1.5-2.5wt%, Mn:5-8wt%, Cr:10-15wt%, Si:2.0-3.0wt%, Al:1.0-3.0wt%, Nb:1.0-2.0wt%, N:0.2-0.6wt%, surplus Ni.Described Fe based composites chemical composition is Cr
3c
2: 20-40wt%, WC:15-30wt%, Mo:2.0-5.0wt%, Cr:3-6wt%, Ni:2.0-3.0wt%, Si:0.4-0.8wt%, Mn:0.3-0.6wt%, Ti:0.5-1.5wt%, surplus Fe.The present invention adopts different process at internal axle sleeve cylindrical and outer shaft endoporus cladding two kinds of differing materials, and Simplified flowsheet, reduces costs.
Description
Technical field
The present invention relates to helicoid hydraulic motor transverse bearing and laser melting coating sufacing, belong to technical field of laser processing.
Background technology
Helicoid hydraulic motor is one of most widely used well dynamic instrument in petroleum drilling.Helicoid hydraulic motor transverse bearing is positioned at its driving part, is the key part affecting the helicoid hydraulic motor life-span.Helicoid hydraulic motor transverse bearing is divided into inside and outside bearing housing, and internal axle sleeve coordinates with transmission shaft and locks, and together with outer axle sleeve assembles with mud motor housing, the two coordinates formation working face, and major function is that the moment of torsion of motor and rotating speed are passed to drill bit.Be subject to axis and the radial force of universal bearing and drill bit in working process, internal axle sleeve has around outer shaft eccentric movement trend.The normal failure mode of helicoid hydraulic motor transverse bearing is cylindrical layer wearing and tearing.Owing to bearing the erosion containing sand drain liquid for a long time, therefore require the wear resistance and corrosion resistance had.The preparation method generally adopted at present be in radial outer bearing surface tungsten carbide button block and solder, dose thing and form through high temperature sintering.There is subject matter is that matrix and hard block difference in hardness are large, uneven, the hard block of wearing and tearing peels off, and causes a large amount of TC bearings to scrap.
Chinese patent CN103032028A provides a kind of Ni-Mn composite soldering of high Ni content, adopts brazing mode to prepare transverse bearing wearing layer.The mode that Chinese patent CN202108868U is provided in transverse bearing surface inserting rectangle YG8 hard alloy blocks prepares wearing layer.Chinese patent CN202628826U provides and prepares transverse bearing wearing layer by the method for dipping high temperature sintering, and the matrix Wimet microballoon of certain particle diameter strengthens, but complex process, cost is higher.
The subject matter existed manufacture helicoid hydraulic motor transverse bearing technology of preparing is above that between hard alloy blocks, the solder in gap is softer, very easily weares and teares, causes the crack at edge of hard alloy blocks, even come off.Laser melting coating is the increasing material manufacturing technology of a kind of advanced person.Adopt laser melting and coating technique not only can simplify preparation technology, and obtain organize fine and closely woven, metallurgical quality good, the coating of even wearing.For the feature of exterior and interior axle sleeves friction operation, adopt different process at internal axle sleeve cylindrical and outer shaft endoporus cladding two kinds of differing materials, reach Simplified flowsheet, reduce production cost effect.
Summary of the invention
For solving the uneven and hard block spallation problems of helicoid hydraulic motor transverse bearing wearing and tearing, improve helicoid hydraulic motor transverse bearing work-ing life and Simplified flowsheet reduces costs, a kind of helicoid hydraulic motor transverse bearing preparation method is provided.
A kind of manufacture method of helicoid hydraulic motor transverse bearing, it is characterized in that: the Fe based composites wearing layer at the internal axle sleeve outer round surface laser melting coating thickness of transverse bearing being 1.5-2.5mm, is the Ni base superhard wear alloy coat of 1.5-2.5mm at the outer shaft bore surface laser melting coating thickness of transverse bearing; Described Ni base alloy composition is C:0.8-1.2wt%, B:1.5-2.5wt%, Mn:5-8wt%, Cr:10-15wt%, Si:2.0-3.0wt%, Al:1.0-3.0wt%, Nb:1.0-2.0wt%, N:0.2-0.6wt%, surplus Ni;
Described Fe based composites chemical composition is Cr
3c
2: 20-40wt%, WC:15-30wt%, Mo:2.0-5.0wt%, Cr:3-6wt%, Ni:2.0-3.0wt%, Si:0.4-0.8wt%, Mn:0.3-0.6wt%, Ti:0.5-1.5wt%, surplus Fe;
(1) carry out laser cladding wear material to the internal axle sleeve cylindrical through Overheating Treatment and mechanical workout, powdered material used is Fe base composite powder, and chemical composition as above.Laser technical parameters is: power 2.0-4.0KW, beam flying linear velocity 200-600mm/min, and spot size is at 3-6mm, powder sending quantity 20-40g/min, argon flow amount scope is at 10-20L/min, and overlapping rate is 30-50%, carries out stress relief annealing and mechanical workout after laser melting coating terminates.
(2) carry out laser cladding wear material to the outer shaft endoporus through Overheating Treatment and mechanical workout, powder used is Ni base alloy powder, and chemical composition as above.Laser technical parameters is: power 1.5-3.0KW; beam flying linear velocity 180-500mm/min; spot size is 2-4mm; powder sending quantity 20-40g/min; laser cladding process adopts flow to be 8-15L/min argon shield; overlapping rate is 30-50%, carries out stress relief annealing and ground finish after laser melting coating terminates.
(3) internal axle sleeve after precision work, outer shaft are assembled.
Effect of the present invention is embodied in the powder that laser melting coating material therefor is different from normal sintering Wimet, requires that powder has certain self-fluxing nature, is suitable for laser melting and coating process.By the exterior and interior axle sleeves cladding two kinds of different-alloy materials at transverse bearing, can obtain that metallurgical junction gets togather, the wearing layer of uniform composition, realize the uniform wear of inside and outside bearing working face, greatly improve the work-ing life of transverse bearing.
Accompanying drawing explanation
Fig. 1 is the exterior and interior axle sleeves wiring layout of transverse bearing
Fig. 2 is laser melting coating internal axle sleeve cylindrical schematic diagram
Fig. 3 is laser melting coating outer shaft endoporus schematic diagram
1. housing 2. internal axle sleeve 3. outer shaft 4. transmission shaft 5.Fe based composites wearing layer 6.Ni base superhard wear alloy coat 7. laser beam 8.Fe based composites powder stream 9.Ni base superhard wear powdered alloy line
Embodiment
Embodiment 1
(1) select the blanking of 42CrMo cylindrical steel body to be rigid body idiosome, forge hot is carried out to rigid body idiosome, completes the roughing of the both ends of the surface of rigid body blank, external diameter, internal diameter and chamfering.After processing, to the process of bearing steel body heat.
(2) laser cladding equipment is Trumpf6000 watt of CO
2laser apparatus (wavelength 10.6 μm).Internal axle sleeve cylindrical material therefor is Fe based composites, and chemical composition is Cr
3c
2: 20wt%, WC:15wt%, Mo:2.0wt%, Cr:3wt%, Ni:2.0wt%, Si:0.4wt%, Mn:0.3wt%, Ti:0.5wt%, surplus Fe.
Internal axle sleeve cylindrical laser melting coating output rating is 4.0KW, and beam scanning rate is 600mm/min, and spot size is at 3mm, and powder sending quantity 20g/min, argon flow amount scope is at 20L/min, and overlapping rate is 50%.The thickness obtaining cladding layer is 1.5mm.
Outer shaft endoporus material therefor is Ni base ultra-hard abrasive material, and chemical composition is C:0.8wt%, B:1.5wt%, Mn:5wt%, Cr:10wt%, Si:2.0wt%, Al:1.0wt%, Nb:1.0wt%, N:0.2wt%, surplus Ni.
Outer shaft inner hole laser cladding output rating is 3.0KW, and beam scanning rate is 500mm/min, and spot size is 2mm, powder sending quantity 20g/min, and laser cladding process adopts flow to be 15L/min argon shield, and overlapping rate is 50%.The thickness obtaining cladding layer is 1.5mm.
(3) part after cladding is put into process furnace, be heated to 600 DEG C with the speed of 50 DEG C/h, and be incubated 4h, cool to room temperature with the furnace afterwards.
(4) precision work, carries out size control with dial gauge in the course of processing, carries out the control of the geometrical and toleranging such as circularity, linearity with contourgraph and three-coordinates measuring machine.The smoothing cutting of piece surface is finally completed with cutter backhaul.
(5) grinding end face-external diameter-internal diameter is to required precision size.Finally complete exterior and interior axle sleeves assembling.
Practical effect shows, sintering with conventional high-temperature prepares compared with helicoid hydraulic motor transverse bearing, and the work-ing life of the threaded spindle of kinds of alloy drilling tool transverse bearing of laser melting coating manufacture significantly improves, and reaches more than 300h, exterior and interior axle sleeves even wearing, without superhard cladding layer without coming off or avalanche phenomenon.
Embodiment 2
(1) select 45 steel cylindrical steel body blankings to be rigid body idiosome, accurate hot rolling is carried out to rigid body idiosome, completes the roughing of the both ends of the surface of rigid body blank, external diameter, internal diameter and chamfering.After processing, to the process of bearing steel body heat.
(2) laser cladding equipment is 3000 watts of optical fibre output semiconductor lasers (wavelength 808-975nm).Internal axle sleeve cylindrical material therefor is Fe based composites, and chemical composition is Cr
3c
2: 40wt%, WC:30wt%, Mo:5.0wt%, Cr:6wt%, Ni:3.0wt%, Si:0.8wt%, Mn:0.6wt%, Ti:1.5wt%, surplus Fe.
Internal axle sleeve cylindrical laser melting coating output rating is 2.0KW, and beam scanning rate is 200mm/min, and spot size is at 6mm, and powder sending quantity 40g/min, argon flow amount scope is at 10L/min, and overlapping rate is 30%.The thickness obtaining cladding layer is 2.5mm.
Outer shaft endoporus material therefor is Ni base ultra-hard abrasive material, and chemical composition is C:1.2wt%, B:2.5wt%, Mn:8wt%, Cr:15wt%, Si:3.0wt%, Al:3.0wt%, Nb:2.0wt%, N:0.6wt%, surplus Ni.
Outer shaft inner hole laser cladding output rating is 1.5KW, and beam scanning rate is 180mm/min, and spot size is 4mm, powder sending quantity 40g/min, and laser cladding process adopts flow to be 8L/min argon shield, and overlapping rate is 30%.The thickness obtaining cladding layer is 2.5mm.
(3) part after cladding is put into process furnace, be heated to 400 DEG C with the speed of 70 DEG C/h, and be incubated 6h, cool to room temperature with the furnace afterwards.
(4) precision work, carries out size control with dial gauge in the course of processing, carries out the control of the geometrical and toleranging such as circularity, linearity with contourgraph and three-coordinates measuring machine.The smoothing cutting of piece surface is finally completed with cutter backhaul.
(5) grinding end face-external diameter-internal diameter is to required precision size.Finally complete exterior and interior axle sleeves assembling.
Practical effect shows, sintering with conventional high-temperature prepares compared with helicoid hydraulic motor transverse bearing, and the work-ing life of the threaded spindle of kinds of alloy drilling tool transverse bearing of laser melting coating manufacture significantly improves, and reaches more than 500h, exterior and interior axle sleeves even wearing, without superhard cladding layer without coming off or avalanche phenomenon.
Embodiment 3
(1) select the blanking of 9Cr18 steel cylindrical steel body to be rigid body idiosome, hot rolling is carried out to rigid body idiosome, completes the roughing of the both ends of the surface of rigid body blank, external diameter, internal diameter and chamfering.After processing, to the process of bearing steel body heat.
(2) laser cladding equipment is 4000 watts of optical fibre output semiconductor lasers (1070nm).Internal axle sleeve cylindrical material therefor is Fe based composites, and its chemical composition is Cr
3c
2: 30wt%, WC:20wt%, Mo:3.0wt%, Cr:4.0wt%, Ni:2.5wt%, Si:0.6wt%, Mn:0.5wt%, Ti:1.0wt%, surplus Fe.
Internal axle sleeve cylindrical laser melting coating output rating is 3.0KW, and beam scanning rate is 400mm/min, and spot size is at 4mm, and powder sending quantity 20g/min, argon flow amount scope is at 15L/min, and overlapping rate is 40%.The thickness obtaining cladding layer is 2.0mm.
Outer shaft endoporus material therefor is Ni base ultra-hard abrasive material, and chemical composition is C:1.0wt%, B:2.0wt%, Mn:6.0wt%, Cr:12wt%, Si:2.5wt%, Al:2.0wt%, Nb:1.5wt%, N:0.4wt%, surplus Ni.
Outer shaft inner hole laser cladding output rating is 2.0KW, and beam scanning rate is 300mm/min, and spot size is 3mm, powder sending quantity 40g/min, and laser cladding process adopts flow to be 10L/min argon shield, and overlapping rate is 40%.The thickness obtaining cladding layer is 2.0mm.
(3) part after cladding is put into process furnace, be heated to 500 DEG C with the speed of 60 DEG C/h, and be incubated 5h, cool to room temperature with the furnace afterwards.
(4) precision work, carries out size control with dial gauge in the course of processing, carries out the control of the geometrical and toleranging such as circularity, linearity with contourgraph and three-coordinates measuring machine.The smoothing cutting of piece surface is finally completed with cutter backhaul.
(5) grinding end face-external diameter-internal diameter is to required precision size.Finally complete exterior and interior axle sleeves assembling.
Practical effect shows, sintering with conventional high-temperature prepares compared with helicoid hydraulic motor transverse bearing, and the work-ing life of the threaded spindle of kinds of alloy drilling tool transverse bearing of laser melting coating manufacture significantly improves, and reaches more than 400h, exterior and interior axle sleeves even wearing, without superhard cladding layer without coming off or avalanche phenomenon.
Claims (1)
1. the manufacture method of a helicoid hydraulic motor transverse bearing, it is characterized in that: the Fe based composites wearing layer at the internal axle sleeve outer round surface laser melting coating thickness of transverse bearing being 1.5-2.5mm, is the Ni base alloy coat of 1.5-2.5mm at the outer shaft bore surface laser melting coating thickness of transverse bearing; Described Ni base alloy composition is C:0.8-1.2wt%, B:1.5-2.5wt%, Mn:5-8wt%, Cr:10-15wt%, Si:2.0-3.0wt%, Al:1.0-3.0wt%, Nb:1.0-2.0wt%, N:0.2-0.6wt%, surplus Ni;
Described Fe based composites chemical composition is Cr
3c
2: 20-40wt%, WC:15-30wt%, Mo:2.0-5.0wt%, Cr:3-6wt%, Ni:2.0-3.0wt%, Si:0.4-0.8wt%, Mn:0.3-0.6wt%, Ti:0.5-1.5wt%, surplus Fe;
Preparation process is specific as follows:
(1) carry out laser cladding wear material to the internal axle sleeve cylindrical through Overheating Treatment and mechanical workout, powdered material used is Fe base composite powder, and chemical composition as above; Laser technical parameters is: power 2.0-4.0kW, beam flying linear velocity 200-600mm/min, and spot size is at 3-6mm, powder sending quantity 20-40g/min, argon flow amount scope is at 10-20L/min, and overlapping rate is 30-50%, carries out stress relief annealing and mechanical workout after laser melting coating terminates;
(2) carry out laser cladding wear material to the outer shaft endoporus through Overheating Treatment and mechanical workout, powder used is Ni base alloy powder, and chemical composition as above; Laser technical parameters is: power 1.5-3.0kW; beam flying linear velocity 180-500mm/min; spot size is 2-4mm; powder sending quantity 20-40g/min; laser cladding process adopts flow to be 8-15L/min argon shield; overlapping rate is 30-50%, carries out stress relief annealing and ground finish after laser melting coating terminates.
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| CN104962907B (en) * | 2015-06-29 | 2017-07-21 | 北京工业大学 | A kind of laser alloying treatment method for improving the compo pipe surface property of nuclear power 690 |
| CN107338436A (en) * | 2017-06-28 | 2017-11-10 | 河海大学 | A kind of iron-based composite coating and its preparation method and application |
| CN109825830A (en) * | 2019-02-25 | 2019-05-31 | 盐城工业职业技术学院 | A kind of self-lubricating bearing and preparation method thereof |
| CN111321356B (en) * | 2020-04-09 | 2021-08-24 | 南华大学 | Laser additive manufacturing sink roller composite shaft sleeve and preparation method thereof |
| CN111485137B (en) * | 2020-05-19 | 2021-11-05 | 北京工业大学 | Preparation method of coating material for strengthening ocean lifting platform bolt oil cylinder rod |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693996A (en) * | 2008-11-14 | 2010-04-14 | 北京工业大学 | WC-FeNiCr super-hard nonmagnetic coating composite material and process for preparing same |
| CN102534455A (en) * | 2011-12-28 | 2012-07-04 | 中国科学院宁波材料技术与工程研究所 | Composite gradient coating thermally sprayed on surface of screw rod of injecting and molding machine and a method for preparing same |
| CN103774025A (en) * | 2012-10-23 | 2014-05-07 | 北京工业大学 | WC-FeNiCr nonmagnetic coating material containing Mn, Mo, and Ti, and preparation method thereof |
| CN103820780A (en) * | 2012-11-16 | 2014-05-28 | 吴立松 | Preparation method of wear-resistant coating on surface of roller |
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|---|---|---|---|---|
| DE102011012320B4 (en) * | 2011-02-25 | 2015-05-28 | Daimler Ag | Method for producing a brake disk |
-
2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693996A (en) * | 2008-11-14 | 2010-04-14 | 北京工业大学 | WC-FeNiCr super-hard nonmagnetic coating composite material and process for preparing same |
| CN102534455A (en) * | 2011-12-28 | 2012-07-04 | 中国科学院宁波材料技术与工程研究所 | Composite gradient coating thermally sprayed on surface of screw rod of injecting and molding machine and a method for preparing same |
| CN103774025A (en) * | 2012-10-23 | 2014-05-07 | 北京工业大学 | WC-FeNiCr nonmagnetic coating material containing Mn, Mo, and Ti, and preparation method thereof |
| CN103820780A (en) * | 2012-11-16 | 2014-05-28 | 吴立松 | Preparation method of wear-resistant coating on surface of roller |
Non-Patent Citations (1)
| Title |
|---|
| WC+Cr3C2增强铁基合金激光熔覆涂层磨损性能;余畅等;《金属热处理》;20131231;第38卷(第12期);第21-24页 * |
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