CN108000050A - A kind of turbine wheel shaft remanufactures renovation technique - Google Patents
A kind of turbine wheel shaft remanufactures renovation technique Download PDFInfo
- Publication number
- CN108000050A CN108000050A CN201711435590.0A CN201711435590A CN108000050A CN 108000050 A CN108000050 A CN 108000050A CN 201711435590 A CN201711435590 A CN 201711435590A CN 108000050 A CN108000050 A CN 108000050A
- Authority
- CN
- China
- Prior art keywords
- turbine wheel
- wheel shaft
- workpiece
- locking screw
- main shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
- B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
Abstract
The present invention provides a kind of turbine wheel shaft to remanufacture renovation technique, it comprises the following steps：1) preliminary surveying, 2) installation workpiece：Turbine wheel shaft to be repaired is installed on desk-top instrument lathe, starts instrument lathe, allows turbine wheel shaft to rotate；3) axle journal reparation：Including corase grinding, fine grinding and polishing, 4) closure gasket groove reparation：Including corase grinding, fine grinding and polishing；5) once clean workpiece, 6) fixed workpiece, 7) locking screw reparation：Operation is carried out to locking screw using screw die, locking screw is repaired, ensures turbine wheel shaft concentricity and improve locking screw alveolus cleannes；8) workpiece is once cleaned；9) ultrasonic cleaning；10) final measurement.Above-mentioned turbine wheel shaft, which remanufactures renovation technique, can not only recover turbine wheel shaft surface state, and it is for example new to be allowed to quality；And it is significantly cost-effective, reduce material and energy consumption；Lifting turbocharger remanufactures rate.
Description
Technical field
The invention belongs to automobile turbocharger re-manufacturing technology, more particularly to a kind of turbine wheel shaft of turbocharger to make again
Make renovation technique.
Background technology
China comes into automotive society, there is large quantities of motor vehicle liquidations, the turbocharger of these abandoned cars every year
Also scrap therewith, these substantial amounts of turbocharger all melt down smeltings according to the material property of parts at present, cause cost with
The significantly waste of material, energy consumption, environmental pollution significantly rise therewith；It is a small amount of after simple cleaning, sandblasting just again
Assembling, the turbocharger performance for causing to produce does not reach much with quality remanufactures turbocharger requirement, more not
Say compared with equal new product.
Turbine wheel shaft is very high as requirements such as turbocharger vital part, complex process, material, size and geometric tolerances,
Cost accounts for 20% or so of whole turbocharger, all melts down the significantly waste smelted and be bound to cause cost and material, phase
That answers also brings the raising of energy consumption and environmental pollution；And simply repair and be extremely difficult to remanufacture requirement, let alone
New product is met or exceeded to remanufacture turbocharger quality to lay the foundation.
The content of the invention
It is an object of the invention to provide a kind of turbine wheel shaft to remanufacture renovation technique, and to solve in the prior art, turbine wheel shaft is again
The problem of turbine wheel shaft of manufacture renovation technique reparation can not meet requirement.
For this purpose, the present invention uses following technical scheme：
A kind of turbine wheel shaft remanufactures renovation technique, it comprises the following steps：
1) preliminary surveying：With measuring device to turbine wheel shaft and floating bearing engagement journal diameter, turbine wheel shaft and impeller endoporus
Engagement journal diameter, closure gasket groove width and turbine wheel shaft concentricity measure, and qualified workpiece continues to operate, unqualified workpiece
Into scrapping frame；
2) workpiece is installed：Turbine wheel shaft to be repaired is installed on desk-top instrument lathe, turbine wheel shaft both ends centre bore thimble top
Firmly, and pin, start instrument lathe, allow turbine wheel shaft to rotate；
3) axle journal reparation：According to turbine wheel shaft main shaft surface condition, following steps are carried out to select or sort entirely：
Corase grinding, corase grinding operation is carried out to journal surface of the main shaft in addition to locking screw, the main iron removed on main shaft surface
Rust, the difficult greasy dirt removed and finite wear, pull, and notices that axial movement speed is uniform in operation process, it is ensured that journal surface is justified
Degree；
Fine grinding, carries out fine grinding operation to journal surface of the main shaft in addition to locking screw, mainly removes coarse sand operation and leave
Trace, improve main shaft surface roughness to a certain extent, notice that axial movement speed is uniform in operation process, to ensure axle journal
Surface roundness；
Polishing, is polished operation to journal surface of the main shaft in addition to locking screw, mainly greatly improves main shaft surface
Roughness, reaches and remanufactures requirement, notices that axial movement speed is uniform in operation process, to ensure journal surface circularity；
4) closure gasket groove reparation：Comprise the following steps：
Step 1, according to closure gasket groove surface condition, carries out main shaft seal annular groove by rolling up sand paper on steel ruler respectively
Operation is roughly ground, removes closure gasket groove iron rust, greasy dirt and finite wear, steel ruler side is hung down with spindle centerline all the time in operation process
Directly, to ensure the closure gasket groove two sides depth of parallelism；
Step 2, according to closure gasket groove surface condition, carries out main shaft seal annular groove by rolling up sand paper on steel ruler respectively
Fine grinding operation, mainly removes the trace that coarse sand operation leaves, to a certain extent raising main shaft surface roughness, in operation process
Steel ruler side is vertical with spindle centerline all the time, to ensure the closure gasket groove two sides depth of parallelism；
Step 3, according to closure gasket groove surface condition, carries out main shaft seal annular groove by rolling up sand paper on steel ruler respectively
Polishing operation, greatly improves closure gasket groove surface roughness, and steel ruler side is vertical with spindle centerline all the time in operation process, with
Ensure the closure gasket groove two sides depth of parallelism；
5) workpiece is once cleaned：Workpiece is pulled down from instrument lathe, and workpiece is cleaned；
6) fixed workpiece：Both ends centre bore is withstood with the thimble up and down of special tooling, it is vertical to fix and pin；
7) locking screw reparation：Operation is carried out to locking screw using screw die, locking screw is repaired, ensures that turbine wheel shaft is coaxial
Spend and improve locking screw alveolus cleannes；
8) secondary cleaning workpiece：Workpiece is pulled down in frock from step 6), and workpiece is cleaned again；
9) ultrasonic cleaning：Workpiece is cleaned by ultrasonic cleaning equipment；
10) final measurement：Whether workpiece meets tolerance dimension requirement after measurement is repaired, if qualified, repair and completes, transhipment
Workpiece, if unqualified, be directly placed into and scrap frame.
Especially, the specific measurement method in the step 1) is：Turbine wheel shaft and floating bearing are measured with digimatic micrometer
Engagement journal diameter, turbine wheel shaft and impeller inner hole journal diameter, qualified workpiece continue to operate, and unqualified workpiece, which enters, to be scrapped
Frame；Closure gasket groove width is measured with precision gage block, qualified workpiece continues to operate, and unqualified workpiece, which enters, scraps frame；Use concentricity
Measuring instrument measures turbine wheel shaft concentricity, and qualified workpiece continues to operate, and unqualified workpiece, which enters, scraps frame.
Especially, corase grinding selects 400# sand paper in the step 3)；1200# sand paper is selected in fine grinding；Metallographic sand is selected in polishing
Paper.
Especially, the step one in the step 4) selects 0.8mm thickness, the steel ruler of 150mm long, and being rolled up on steel ruler has 400# sand
Paper；Step 2 selects 0.8mm thickness, the steel ruler of 150mm long, and being rolled up on steel ruler has 1200# sand paper；Step 3 selection 0.8mm thickness,
The steel ruler of 150mm long, volume has 2500# sand paper on steel ruler.
Especially, Superficial Foreign Body is purged with air gun in the step 5), cleans turbine wheel shaft.
Especially, locking screw and other Superficial Foreign Bodies are purged with air gun in the step 8), cleans turbine wheel shaft.
Especially, the concrete technology of the step 9) is：Workpiece to be cleaned is put into supersonic wave cleaning machine, 60 DEG C -80
DEG C hot water, cleans 3min or adds degreasing metal cleaner in water, by 1:20 ratios are prepared, 60 DEG C of -80 DEG C of fine purifiation 1-
3min, then next step operation is carried out after rinsing, antirust, drying.
Especially, specific measurement method is in the step 10)：Turbine wheel shaft and floating bearing are measured with digimatic micrometer
Engagement journal diameter, turbine wheel shaft and impeller inner hole journal diameter, size qualification then carry out next step operation, unqualified workpiece
Into scrapping frame；Closure gasket groove width is measured with precision gage block, size qualification then carries out next step operation, and unqualified workpiece enters
Scrap frame；Turbine wheel shaft concentricity is measured with axiality measuring apparatus, tolerance qualification then carries out next step operation, and unqualified workpiece enters
Scrap frame；Range estimation and touch main shaft surface, and with sample axis, roughness sample block comparing check surface roughness, size qualification then into
Row next step operation, unqualified workpiece, which enters, scraps frame.
Beneficial effects of the present invention are that the turbine wheel shaft remanufactures renovation technique and can thoroughly repair compared with prior art
With remanufacture value the affiliated face of turbine wheel shaft, locking screw, the position such as closure gasket groove size, geometric tolerance, make turbine wheel shaft
Return to normal condition, meeting or exceeding new product to remanufacture Reliability of Turbochargers establishes solid foundation, is greatly reduced and makes again
Turbocharger production cost is made, lift turbocharger remanufactures rate, effectively energy saving, section material, cost-effective, strong promotion
Turbocharger industry continues the development of health.
Embodiment
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that the implementation
Example is only to aid in understanding the present invention, is not construed as the concrete restriction to the present invention.
A kind of turbine wheel shaft remanufactures renovation technique, and turbine wheel shaft to be repaired must be classification, cleaning, be surface-treated pieces O.K.,
Dry tack free and noresidue sand ball, the technique comprise the following steps：
Step 1, preliminary surveying：1) with digimatic micrometer measurement turbine wheel shaft and floating bearing engagement journal diameter, turbine wheel shaft
With impeller inner hole journal diameter, qualified workpiece continues to operate, and unqualified workpiece, which enters, scraps frame；2) measured with precision gage block
Closure gasket groove width, qualified workpiece continue to operate, and unqualified workpiece, which enters, scraps frame；3) turbine wheel shaft is measured with axiality measuring apparatus
Concentricity, qualified workpiece continue to operate, and unqualified workpiece, which enters, scraps frame.
Step 2, installs workpiece：1) turbine wheel shaft both ends centre bore is withstood with thimble with desk-top instrument lathe, and pinned；
2) start instrument lathe, allow turbine wheel shaft to rotate.
Step 3, axle journal reparation：According to turbine wheel shaft main shaft surface condition, following steps are carried out to select or sort entirely：1) root
According to turbine wheel shaft main shaft surface condition, 400# sand paper is selected, corase grinding operation is carried out to journal surface of the main shaft in addition to locking screw, it is main
Remove the iron rust on main shaft surface, the difficult greasy dirt removed and finite wear, pull, to pay attention to axial movement speed in operation process
Degree is uniform, it is ensured that journal surface circularity；2) according to turbine wheel shaft main shaft surface condition, 1200# sand paper is selected, locking screw is removed to main shaft
Journal surface outside line carries out fine grinding operation, mainly removes the trace that coarse sand operation leaves, improves main spindle table to a certain extent
Surface roughness, notices that axial movement speed is uniform in operation process, to ensure journal surface circularity；3) according to turbine wheel shaft main spindle table
Face situation, selects abrasive paper for metallograph, is polished operation to journal surface of the main shaft in addition to locking screw, mainly greatly improves master
Axis surface roughness, reaches and remanufactures requirement, notices that axial movement speed is uniform in operation process, to ensure journal surface
Circularity.
Step 4, closure gasket groove reparation：Comprise the following steps, 1) 0.8mm thickness, the steel ruler of 150mm long are selected, according to sealing
Ring groove surface situation, 400# sand paper is rolled up on steel ruler and carries out corase grinding operation respectively to main shaft seal annular groove, removes sealing ring channel
Rust, greasy dirt and finite wear, steel ruler side is vertical with spindle centerline all the time in operation process, to ensure closure gasket groove two sides
The depth of parallelism；2) 0.8mm thickness, the steel ruler of 150mm long are selected, according to closure gasket groove surface condition, 1200# sand paper pair is rolled up on steel ruler
Main shaft seal annular groove carries out fine grinding operation respectively, mainly removes the trace that coarse sand operation leaves, improves main shaft to a certain extent
Surface roughness, steel ruler side is vertical with spindle centerline all the time in operation process, to ensure the closure gasket groove two sides depth of parallelism；
3) 0.8mm thickness, the steel ruler of 150mm long are selected, according to closure gasket groove surface condition, it is close to main shaft that 2500# sand paper is rolled up on steel ruler
Seal ring groove is polished operation respectively, greatly improves closure gasket groove surface roughness, in operation process steel ruler side all the time with master
Shaft centre line is vertical, to ensure the closure gasket groove two sides depth of parallelism.
Step 5, once cleans workpiece：Workpiece is pulled down from instrument lathe, Superficial Foreign Body is purged with air gun, cleans turbine
Axis.
Step 6, fixed workpiece；Both ends centre bore is withstood with the thimble up and down of special tooling, it is vertical to fix and pin.
Step 7, locking screw reparation：Operation is carried out to locking screw using screw die, locking screw is repaired, ensures turbine
Axis concentricity simultaneously improves locking screw alveolus cleannes.
Step 8, secondary cleaning workpiece：Pull down workpiece in frock from step 6), with air gun purge locking screw and its
His Superficial Foreign Body, cleans turbine wheel shaft.
Step 9, ultrasonic cleaning：Workpiece to be cleaned is put into supersonic wave cleaning machine, 60 DEG C of -80 DEG C of hot water, cleaned
3min adds degreasing metal cleaner in water, by 1:20 ratios are prepared, 60 DEG C of -80 DEG C of fine purifiation 1-3min, then by drift
Wash, antirust, next step operation carried out after drying.
Step 10, final measurement：With digimatic micrometer measurement turbine wheel shaft and floating bearing engagement journal diameter, turbine wheel shaft with
Impeller inner hole journal diameter, size qualification then carry out next step operation, and unqualified workpiece, which enters, scraps frame；Use precision gage block
Closure gasket groove width is measured, size qualification then carries out next step operation, and unqualified workpiece, which enters, scraps frame；Use axiality measuring apparatus
Turbine wheel shaft concentricity is measured, tolerance qualification then carries out next step operation, and unqualified workpiece, which enters, scraps frame；Range estimation and touch main shaft
Surface, and then carry out next step operation, unqualified work with sample axis, roughness sample block comparing check surface roughness, size qualification
Part, which enters, scraps frame.
Above-mentioned turbine wheel shaft, which remanufactures renovation technique, can not only recover turbine wheel shaft surface state, and it is for example new to be allowed to quality；And
It is significantly cost-effective, reduce material and energy consumption；Lifting turbocharger remanufactures rate.
Applicant states that the present invention illustrates the detailed process equipment of the present invention and technological process by above-described embodiment,
But the invention is not limited in above-mentioned detailed process equipment and technological process, that is, it is above-mentioned detailed not mean that the present invention has to rely on
Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention,
The addition of equivalence replacement and auxiliary element to each raw material of product of the present invention, selection of concrete mode etc., all fall within the present invention's
Within protection domain and the open scope.
Claims (8)
1. a kind of turbine wheel shaft remanufactures renovation technique, it comprises the following steps：
1) preliminary surveying：With measuring device to turbine wheel shaft and floating bearing engagement journal diameter, turbine wheel shaft and impeller inner hole
Journal diameter, closure gasket groove width and turbine wheel shaft concentricity measure, and qualified workpiece continues to operate, and unqualified workpiece enters
Scrap frame；
2) workpiece is installed：Turbine wheel shaft to be repaired is installed on desk-top instrument lathe, turbine wheel shaft both ends centre bore is withstood with thimble, and
Pin, start instrument lathe, allow turbine wheel shaft to rotate；
3) axle journal reparation：According to turbine wheel shaft main shaft surface condition, following steps are carried out to select or sort entirely：
Corase grinding, corase grinding operation is carried out to journal surface of the main shaft in addition to locking screw, the main iron rust removed on main shaft surface, difficulty
The greasy dirt and finite wear of removal, pull, and notices that axial movement speed is uniform in operation process, it is ensured that journal surface circularity；
Fine grinding, carries out fine grinding operation to journal surface of the main shaft in addition to locking screw, mainly removes the trace that coarse sand operation leaves
Mark, improves main shaft surface roughness to a certain extent, notices that axial movement speed is uniform in operation process, to ensure journal surface
Circularity；
Polishing, is polished operation to journal surface of the main shaft in addition to locking screw, mainly greatly improves main shaft rough surface
Degree, reaches and remanufactures requirement, notices that axial movement speed is uniform in operation process, to ensure journal surface circularity；
4) closure gasket groove reparation：Comprise the following steps：
Step 1, according to closure gasket groove surface condition, roughly grinds main shaft seal annular groove by rolling up sand paper on steel ruler respectively
Operation, removes closure gasket groove iron rust, greasy dirt and finite wear, and steel ruler side is vertical with spindle centerline all the time in operation process,
To ensure the closure gasket groove two sides depth of parallelism；
Step 2, according to closure gasket groove surface condition, fine grinding is carried out by rolling up sand paper on steel ruler respectively to main shaft seal annular groove
Operation, mainly removes the trace that coarse sand operation leaves, to a certain extent raising main shaft surface roughness, steel ruler in operation process
Side is vertical with spindle centerline all the time, to ensure the closure gasket groove two sides depth of parallelism；
Step 3, according to closure gasket groove surface condition, is polished main shaft seal annular groove by rolling up sand paper on steel ruler respectively
Operation, greatly improves closure gasket groove surface roughness, and steel ruler side is vertical with spindle centerline all the time in operation process, to ensure
The closure gasket groove two sides depth of parallelism；
5) workpiece is once cleaned：Workpiece is pulled down from instrument lathe, and workpiece is cleaned；
6) fixed workpiece：Both ends centre bore is withstood with the thimble up and down of special tooling, it is vertical to fix and pin；
7) locking screw reparation：Operation is carried out to locking screw using screw die, locking screw is repaired, ensures turbine wheel shaft concentricity simultaneously
Improve locking screw alveolus cleannes；
8) secondary cleaning workpiece：Workpiece is pulled down in frock from step 6), and workpiece is cleaned again；
9) ultrasonic cleaning：Workpiece is cleaned by ultrasonic cleaning equipment；
10) measure：Whether workpiece meets tolerance dimension requirement after measurement is repaired, if qualified, repair and completes, transporting work pieces, if
It is unqualified, then it is directly placed into and scraps frame.
2. turbine wheel shaft as claimed in claim 1 remanufactures renovation technique, it is characterised in that the specific measurement in the step 1)
Mode is：With digimatic micrometer measurement turbine wheel shaft and floating bearing engagement journal diameter, turbine wheel shaft and impeller inner hole axle journal
Diameter, qualified workpiece continue to operate, and unqualified workpiece, which enters, scraps frame；Closure gasket groove width, qualified work are measured with precision gage block
Part continues to operate, and unqualified workpiece, which enters, scraps frame；Turbine wheel shaft concentricity is measured with axiality measuring apparatus, qualified workpiece continues to grasp
Make, unqualified workpiece, which enters, scraps frame.
3. turbine wheel shaft as claimed in claim 1 remanufactures renovation technique, it is characterised in that corase grinding is selected in the step 3)
400# sand paper；1200# sand paper is selected in fine grinding；Abrasive paper for metallograph is selected in polishing.
4. turbine wheel shaft as claimed in claim 1 remanufactures renovation technique, it is characterised in that the step one in the step 4) is selected
With 0.8mm is thick, steel ruler of 150mm long, being rolled up on steel ruler has 400# sand paper；Step 2 selects 0.8mm thickness, the steel ruler of 150mm long, steel
Volume has 1200# sand paper on ruler；Step 3 selects 0.8mm thickness, the steel ruler of 150mm long, and being rolled up on steel ruler has 2500# sand paper.
5. turbine wheel shaft as claimed in claim 1 remanufactures renovation technique, it is characterised in that is purged in the step 5) with air gun
Superficial Foreign Body, cleans turbine wheel shaft.
6. turbine wheel shaft as claimed in claim 1 remanufactures renovation technique, it is characterised in that is purged in the step 8) with air gun
Locking screw and other Superficial Foreign Bodies, clean turbine wheel shaft.
7. turbine wheel shaft as claimed in claim 1 remanufactures renovation technique, it is characterised in that the concrete technology of the step 9)
For：Workpiece to be cleaned is put into supersonic wave cleaning machine, 60 DEG C of -80 DEG C of hot water, cleans 3min or add degreasing gold in water
Belong to cleaning agent, by 1:20 ratios are prepared, 60 DEG C of -80 DEG C of fine purifiation 1-3min, then are carried out in next step after rinsing, antirust, drying
Operation.
8. turbine wheel shaft as claimed in claim 1 remanufactures renovation technique, it is characterised in that is specifically surveyed in the step 10)
Amount mode is：With digimatic micrometer measurement turbine wheel shaft and floating bearing engagement journal diameter, turbine wheel shaft and impeller inner hole axis
Neck diameter, size qualification then carry out next step operation, and unqualified workpiece, which enters, scraps frame；Sealing ring groove width is measured with precision gage block
Degree, size qualification then carry out next step operation, and unqualified workpiece, which enters, scraps frame；It is coaxial with axiality measuring apparatus measurement turbine wheel shaft
Degree, tolerance qualification then carry out next step operation, and unqualified workpiece, which enters, scraps frame；Range estimation and touch main shaft surface, and with sample axis,
Roughness sample block comparing check surface roughness, size qualification then carry out next step operation, and unqualified workpiece, which enters, scraps frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711435590.0A CN108000050A (en) | 2017-12-26 | 2017-12-26 | A kind of turbine wheel shaft remanufactures renovation technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711435590.0A CN108000050A (en) | 2017-12-26 | 2017-12-26 | A kind of turbine wheel shaft remanufactures renovation technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108000050A true CN108000050A (en) | 2018-05-08 |
Family
ID=62061555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711435590.0A Pending CN108000050A (en) | 2017-12-26 | 2017-12-26 | A kind of turbine wheel shaft remanufactures renovation technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108000050A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108818176A (en) * | 2018-09-11 | 2018-11-16 | 中车株洲电机有限公司 | A kind of Regrinding System and grinding method for eliminating machine shaft internal taper hole formation of crack |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700594A (en) * | 2009-11-26 | 2010-05-05 | 兰州瑞迈克电力科技有限公司 | On-site unstressed surfacing repairing process of large rotor journal sealing bush abrasion part |
| CN102441676A (en) * | 2011-11-09 | 2012-05-09 | 中国铝业股份有限公司 | Simple lathe for in-situ turning repair for flange |
| CN103949962A (en) * | 2013-11-29 | 2014-07-30 | 中科华核电技术研究院有限公司 | Automatic polishing machine for sealing groove of rotary body |
| CN205201470U (en) * | 2015-11-19 | 2016-05-04 | 重庆平波机械有限公司 | Turbine axle sleeve possesses greatly |
| CN205341384U (en) * | 2016-01-21 | 2016-06-29 | 无锡格润动力机械制造有限公司 | Cleaning machine device |
-
2017
- 2017-12-26 CN CN201711435590.0A patent/CN108000050A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700594A (en) * | 2009-11-26 | 2010-05-05 | 兰州瑞迈克电力科技有限公司 | On-site unstressed surfacing repairing process of large rotor journal sealing bush abrasion part |
| CN102441676A (en) * | 2011-11-09 | 2012-05-09 | 中国铝业股份有限公司 | Simple lathe for in-situ turning repair for flange |
| CN103949962A (en) * | 2013-11-29 | 2014-07-30 | 中科华核电技术研究院有限公司 | Automatic polishing machine for sealing groove of rotary body |
| CN205201470U (en) * | 2015-11-19 | 2016-05-04 | 重庆平波机械有限公司 | Turbine axle sleeve possesses greatly |
| CN205341384U (en) * | 2016-01-21 | 2016-06-29 | 无锡格润动力机械制造有限公司 | Cleaning machine device |
Non-Patent Citations (1)
| Title |
|---|
| 李峰: "涡轮增压器转子轴的修复工艺", 《柴油机•DIESEL ENGINE》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108818176A (en) * | 2018-09-11 | 2018-11-16 | 中车株洲电机有限公司 | A kind of Regrinding System and grinding method for eliminating machine shaft internal taper hole formation of crack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yang et al. | Surface quality and finishing technology | |
| Yang et al. | Surface finishing theory and new technology | |
| CN106166660B (en) | A kind of smooth shaft wears online renovation technique | |
| CN104001752B (en) | A kind of steel pipe fittings production technology | |
| CN102002707A (en) | Laser repairing method of damaged finishing roller | |
| CN110052900B (en) | Grinding method for improving roughness of initial roller surface of new rough rolling roller | |
| CN101629289A (en) | Laser anti-corrosion and wear-resistant process for trunnion of movable guide vanes of turbines | |
| CN102534461B (en) | Technique for reproducing engine crankshaft by automatic high-speed arc spraying | |
| CN101225856B (en) | Technique for manufacturing high-carbon steel thrust sliding bearing of high-power low speed diesel engine | |
| CN106544671A (en) | A kind of renovation technique of automobile die | |
| CN111139465A (en) | Manufacturing method for manufacturing composite steel pipe by laser | |
| CN106925961A (en) | A kind of vehicle bridge remanufactures production method | |
| CN108000050A (en) | A kind of turbine wheel shaft remanufactures renovation technique | |
| CN103924058A (en) | Method for cleaning nodulations on furnace roller of cold-rolled plate continuous annealing furnace | |
| CN203542325U (en) | Inner and outer wall polishing machine for steel pipes | |
| JP5714330B2 (en) | Method for inspecting and remanufacturing industrial components | |
| CN109108269A (en) | Locomotive wheel reparation iron(-)base powder and laser 3D printing renovation technique | |
| Yang et al. | A study of the ultra-precision truing method for flank face of round nose diamond cutting tool | |
| CN103302444B (en) | Renovation agent after a kind of mechanical wear and restorative procedure | |
| CN106944796B (en) | A kind of aviation slewing parts leakproof chromium processing method | |
| CN1830589A (en) | Derust method and device of metallic material | |
| CN104723015A (en) | Remanufacturing method for mining-use wasted scraper blade | |
| Polyanskii et al. | Resource saving technology for metal semifinished product surface treatment | |
| CN106826570A (en) | Metal tube surface cleaning treatment technique | |
| CN102424255A (en) | Remanufacture technology for waste support roller of belt conveyor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180508 |
|
| RJ01 | Rejection of invention patent application after publication |