CN111037220B - Machining and forming process for backing pump rotor - Google Patents
Machining and forming process for backing pump rotor Download PDFInfo
- Publication number
- CN111037220B CN111037220B CN201911275465.7A CN201911275465A CN111037220B CN 111037220 B CN111037220 B CN 111037220B CN 201911275465 A CN201911275465 A CN 201911275465A CN 111037220 B CN111037220 B CN 111037220B
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- 238000003754 machining Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title claims abstract description 19
- 238000000227 grinding Methods 0.000 claims abstract description 39
- 238000005496 tempering Methods 0.000 claims abstract description 25
- 238000005520 cutting process Methods 0.000 claims abstract description 21
- 238000010791 quenching Methods 0.000 claims abstract description 12
- 230000000171 quenching effect Effects 0.000 claims abstract description 12
- 238000005498 polishing Methods 0.000 claims abstract description 11
- 238000010079 rubber tapping Methods 0.000 claims abstract description 11
- 238000003801 milling Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000005553 drilling Methods 0.000 claims abstract description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 238000007689 inspection Methods 0.000 claims description 9
- 238000009987 spinning Methods 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims 5
- 238000005516 engineering process Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Classifications
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- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Articles (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a machining and forming process of a backing pump rotor, and relates to the technical field of finish machining of industrial pump rotors. The method comprises the steps of blanking, rough turning, molybdenum wire hole machining, tempering, fine turning, tapping, center hole grinding, outer circle fine grinding, rough cutting of a rotor disc groove, medium temperature tempering, drilling, fine hole milling, key groove milling, fine cutting of the rotor disc groove, oil rotor disc groove fine grinding of end faces, surface polishing, QPQ treatment, rust prevention and the like. The invention processes the workpiece raw materials step by step and section by section, and performs rough machining and finish machining for multiple times, and performs effective quenching and tempering, secondary tempering and QPQ treatment on the backing pump rotor in the machining process, so that the precision of the backing pump rotor after machining and forming is higher, and the physical and chemical properties of the backing pump rotor are better.
Description
Technical Field
The invention relates to the technical field of finish machining of industrial pump rotors, in particular to a process for machining and forming a backing pump rotor.
Background
In the production and processing process of the industrial pump, the processing and manufacturing of internal elements of the industrial backing pump are also important factors determining the performance of the industrial pump device, and particularly, the backing pump rotor deeply processes and finely processes the backing pump rotor to influence the service performance of the rotor; it is necessary to ensure not only high-precision specifications of the backing pump rotor but also various factors such as strength and deformation error of the backing pump rotor itself.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a process for machining and molding a backing pump rotor, so that the precision of the backing pump rotor after machining and molding is higher, and the physical and chemical properties of the backing pump rotor are better.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides a processing and forming process of a backing pump rotor, which comprises the following steps:
step one, carrying out blanking operation on a rotor workpiece raw material piece, and processing and forming the raw material piece with a corresponding specification;
step two, performing rough turning on the workpiece subjected to blanking forming, and performing shape processing on the front section of the rotor to process an A section on the rotor workpiece;
step three, carrying out rough turning processing on the rear section structure of the rotor workpiece processed in the step two to process E, B, C, D sections on the rotor;
step four, molybdenum wire hole machining is carried out on the rotor workpiece machined in the step three, and E-section ring surfaces on the rotor workpiece are drilled;
step five, quenching and tempering operations of quenching and high-temperature tempering are carried out on the rotor workpiece processed in the step four;
step six, carrying out finish turning on the tempered rotor workpiece, carrying out finish turning on the A section and the E section of the rotor workpiece, and slotting the center of the end face of the A section;
step seven, performing finish turning on the section B, the section C and the section D of the rotor workpiece, and opening center holes in the center of the end face of the section D;
step eight, tapping the threaded hole in the section D of the rotor workpiece;
step nine, grinding the center hole of the section A end face and the center hole of the section D end face on the rotor workpiece;
step ten, carrying out coarse grinding on the outer ring surfaces of the sections A, E, B, C and D on the rotor workpiece;
step eleven, performing rough cutting rotary vane slot operation on the radial two sides of the section E on the rotor workpiece after the rough grinding in the step eleven;
step twelve, tempering the rotor workpiece after roughly cutting the rotor slot at a medium temperature of 600 ℃;
step thirteen, drilling and fine milling the end face of the section A of the rotor workpiece subjected to medium-temperature tempering;
fourteen, milling key grooves on the ring sides of the C section and the D section on the rotor workpiece;
fifthly, performing outer circle fine grinding operation on the rotor workpiece with the milled key groove completed in the fourteenth step, performing fine grinding operation on the ring side surfaces of the sections A, E, B, C and D on the rotor workpiece, and simultaneously preventing a sharp angle on the section E from colliding during fine grinding;
sixthly, performing fine cutting on the section E on the rotor workpiece, performing fine cutting on the radial rotor plate groove of the section E, wherein after the fine cutting, the roughness of the radial rotor plate groove of the section E is 1.6, the parallelism is 0.01, and the symmetry is 0.015;
seventhly, performing oil spinning groove operation on the rotor workpiece after the rotor workpiece is subjected to fine cutting of the spinning groove, and polishing the rotor workpiece by adopting oilstone;
eighteen, performing fine grinding operation on the front end face and the rear end face of the E section of the rotor workpiece;
nineteen, carrying out outer circle fine grinding operation on the ring surface of the E section of the rotor workpiece;
twenty, performing oil spinning groove operation on the rotor workpiece again;
twenty one, carrying out surface polishing operation on the side surface of the E-section ring of the rotor workpiece;
twenty-two steps, carrying out QPQ treatment on the rotor workpiece, wherein the temperature of the QPQ treatment is 570 ℃;
twenty-third, performing surface polishing operation again on the section E of the rotor workpiece after QPQ treatment;
twenty-four steps, performing final inspection on the processed rotor workpiece, and performing accurate inspection on the corresponding dimension of the rotor workpiece;
twenty-five, performing rust prevention operation on the rotor workpiece qualified in final inspection;
twenty-six, packaging the processed rotor workpiece in a special turnover box;
and twenty-seventh step, warehousing the packaged finished workpiece products.
As a preferable technical scheme of the invention, A, E, B, C, D sections of the rotor workpiece are subjected to subsection forming rough turning, the size of each section is controlled, and the error of the length size is controlled within 0.2 range.
As a preferred technical scheme of the invention, the HB ranges of quenching and tempering for the rotor workpiece and high-temperature tempering are 220-250, and the verticality error between vertical planes is controlled within 0.2.
As a preferable technical scheme of the invention, the D section of the rotor workpiece is subjected to tapping, and the tapping depth is not less than 16.
As a preferred technical scheme of the invention, the excircle finish grinding operation is carried out on the rotor workpiece of which the key slot milling is finished at the section C and the section D, the ring side faces of the section A, the section E, the section B, the section C and the section D on the rotor workpiece are subjected to finish grinding operation, the roughness of the ring side of the section A is 0.4, and the roughness of the section E, the section C, the section B and the section D is 0.8.
Compared with the prior art, the invention has the beneficial effects that:
the invention processes the workpiece raw materials step by step and section by section, and performs rough machining and finish machining for multiple times, and performs effective quenching and tempering, secondary tempering and QPQ treatment on the backing pump rotor in the machining process, so that the precision of the backing pump rotor after machining and forming is higher, and the physical and chemical properties of the backing pump rotor are better.
Drawings
FIG. 1 is a schematic structural diagram of the raw material blanking of the present invention;
FIG. 2 is a schematic structural view of rough turning of a rotor workpiece according to the present invention;
FIG. 3 is a schematic structural view of rough turning of a rotor workpiece according to the present invention;
FIG. 4 is a schematic structural view of a molybdenum wire hole of a rotor workpiece according to the present invention;
FIG. 5 is a schematic structural view of a rotor workpiece finish turning process according to the present invention;
FIG. 6 is a schematic structural view of a rotor workpiece finish turning process according to the present invention;
FIG. 7 is a schematic view of a rotor workpiece tapping configuration of the present invention;
FIG. 8 is a schematic view of the construction of the rotor workpiece for grinding a center hole in accordance with the present invention;
FIG. 9 is a schematic structural view of a rough cutting rotor slot at section E on a rotor workpiece according to the present invention;
FIG. 10 is a schematic end view of the structure of FIG. 9;
FIG. 11 is a schematic structural view of a rotor workpiece for drilling and finish milling holes in the present invention;
FIG. 12 is a schematic view of a C, D segment ring side key slot in a rotor workpiece according to the present invention;
FIG. 13 is a schematic diagram of a configuration for fine grinding of the outer circle of the ring side at A, E, B, C, D segments on a rotor workpiece in accordance with the present invention;
FIG. 14 is a schematic structural view of a E-segment finish-cut rotor slot on a rotor workpiece according to the present invention;
fig. 15 is a schematic end view of the structure of fig. 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention relates to a process for machining and molding a backing pump rotor, which comprises the following specific contents:
step one, carrying out blanking operation on a rotor workpiece raw material piece, and processing and forming the raw material piece with the diameter of 65mm and the length of 133 mm.
And step two, performing rough turning on the workpiece subjected to blanking forming, performing shape processing on the front section of the rotor, processing the section A on the rotor workpiece, and performing corresponding fillet and chamfer processing.
And step three, carrying out rough turning processing on the rear section structure of the rotor workpiece processed in the step two, processing E, B, C, D sections on the rotor, and carrying out corresponding fillet processing.
And step four, performing molybdenum wire hole machining on the rotor workpiece machined in the step three, and drilling the E-section ring surface on the rotor workpiece.
And fifthly, carrying out quenching and tempering operation of quenching and high-temperature tempering on the rotor workpiece processed in the fourth step, adjusting the mechanical strength of the rotor workpiece and preventing the product from deforming.
And sixthly, performing finish turning on the tempered rotor workpiece, performing finish turning on the A section and the E section of the rotor workpiece, and grooving the center of the end face of the A section at a grooving angle of 60 degrees.
And seventhly, performing finish turning on the section B, the section C and the section D of the rotor workpiece, opening a center hole in the center of the end face of the section D, forming a threaded hole in the inner side direction of the center hole, and forming a notch in the center hole of the end face of the section D at an opening angle of 60 degrees.
And step eight, tapping the threaded hole in the section D of the rotor workpiece.
And step nine, grinding the central hole of the section A end face and the central hole of the section D end face on the rotor workpiece, wherein the roughness of the ground central holes of the section A end face and the section D end face is lower than 1.6.
Step ten, carrying out coarse grinding on the outer ring surfaces of the section A, the section E, the section B, the section C and the section D on the rotor workpiece, wherein the roughness of the outer ring surfaces of the section A, the section E, the section B, the section C and the section D on the rotor workpiece after coarse grinding is lower than 1.6, and ensuring that the edge sharp corner of the section E is not collided in the coarse grinding process.
And step eleven, performing rough cutting of the rotary vane grooves on the radial two sides of the section E on the rotor workpiece after rough grinding in the step eleven, wherein the parallelism and the symmetry of the rotary vane grooves on the two sides of the section E are 0.04 and 0.05 respectively.
And step twelve, tempering the rotor workpiece after roughly cutting the rotor slot at the medium temperature, wherein the medium temperature tempering temperature is 600 +/-10 ℃, and tempering and heat preservation are carried out for 4 hours, and the sharp corner on the section E cannot collide with the rotor workpiece during corresponding operation.
And step thirteen, performing drilling and finish milling operation on the end face of the section A of the rotor workpiece subjected to medium-temperature tempering, wherein the number of the drilled holes is two, the positions of the two drilled holes are symmetrically distributed about the central slotted hole of the end face of the section A in the step six, and the sharp corner on the section E cannot collide when corresponding operation is performed.
And step fourteen, milling key grooves on the ring sides of the C section and the D section on the rotor workpiece.
And fifthly, performing outer circle fine grinding operation on the rotor workpiece with the key grooves milled in the fourteenth step, performing fine grinding operation on the ring side surfaces of the sections A, E, B, C and D on the rotor workpiece, and simultaneously preventing sharp corners on the section E from colliding during fine grinding.
Sixthly, performing fine cutting on the section E on the rotor workpiece, performing fine cutting on the radial rotor plate groove of the section E, wherein after the fine cutting, the roughness of the radial rotor plate groove of the section E is 1.6, the parallelism is 0.01, and the symmetry is 0.015.
Seventhly, performing oil vane groove operation on the rotor workpiece after the rotor workpiece is subjected to the fine cutting of the vane grooves, polishing the rotor workpiece by adopting an oilstone, and simultaneously paying attention to the fact that the sharp corner on the section E cannot collide with the rotor workpiece.
And eighteen, performing fine grinding operation on the front end face and the rear end face of the E section of the rotor workpiece, wherein after the two end faces are finely ground, the roughness of the front end face and the rear end face of the E section is 0.8, and when the two end faces of the E section are finely ground, paying attention to the fact that the sharp corners on the E section cannot collide.
And nineteenth, carrying out outer circle fine grinding operation on the ring surface of the E section of the rotor workpiece, wherein the roughness of the ring surface of the E section after fine grinding is 0.8, and paying attention to the fact that a sharp angle on the E section cannot collide when carrying out outer circle fine grinding on the ring surface of the E section.
Twenty, performing oil spinning groove operation on the rotor workpiece again, wherein the parallelism of the spinning grooves polished by the oilstone is 0.035, the symmetry is 0.02, and the roughness of the spinning grooves is 1.6.
Twenty one, performing surface polishing operation on the side surface of the E-section ring of the rotor workpiece, and paying attention to that the sharp corner on the E section cannot collide when polishing the side surface of the E-section ring.
Twenty-two steps, carrying out QPQ treatment on the rotor workpiece, wherein the temperature of the QPQ treatment is 570 ℃; after QPQ treatment, carrying out a corresponding salt spray test on the rotor workpiece, and wiping rust spots after 72 h; the surface hardness of the rotor workpiece after QPQ treatment is HV 400-500; the unilateral enlargement size of the rotor workpiece after QPQ treatment is not more than 0.005 mm.
And twenty-three steps, performing surface polishing operation again on the section E of the rotor workpiece after QPQ treatment.
And twenty-four steps, performing final inspection on the processed rotor workpiece, and performing accurate inspection on the corresponding dimension of the rotor workpiece.
And twenty-five, performing rust prevention operation on the rotor workpiece qualified in final inspection, drying the rotor product, and soaking the dried rotor product in rust prevention oil No. 5 white oil for more than one minute.
And twenty-six, packaging the processed rotor workpiece in a special turnover box.
And twenty-seventh step, warehousing the packaged finished workpiece products.
In the second step and the third step, A, E, B, C, D sections of the rotor workpiece are subjected to rough turning for segment forming, the size of each section is controlled, and the error of the length size is controlled within the range of 0.2.
In the fifth step, the quenching and tempering HB range of the rotor workpiece for quenching and high-temperature tempering is 220-250, and the perpendicularity error between the vertical planes is controlled within 0.2.
And in the step eight, the D section of the rotor workpiece is subjected to tapping, and the tapping depth is not lower than 16.
In the fifteenth step, the cylindrical fine grinding operation is carried out on the rotor workpiece of which the key grooves are milled on the section C and the section D, the fine grinding operation is carried out on the ring side surfaces of the section A, the section E, the section B, the section C and the section D on the rotor workpiece, the roughness of the ring side of the section A is 0.4, and the roughness of the section E, the section C, the section B and the section D is 0.8.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A backing pump rotor machine-shaping technology is characterized in that:
step one, carrying out blanking operation on a rotor workpiece raw material piece, and processing and forming the raw material piece with a corresponding specification;
step two, performing rough turning on the workpiece subjected to blanking forming, and performing shape processing on the front section of the rotor to process an A section on the rotor workpiece;
step three, carrying out rough turning processing on the rear section structure of the rotor workpiece processed in the step two to process E, B, C, D sections on the rotor;
step four, molybdenum wire hole machining is carried out on the rotor workpiece machined in the step three, and E-section ring surfaces on the rotor workpiece are drilled;
step five, quenching and tempering operations of quenching and high-temperature tempering are carried out on the rotor workpiece processed in the step four;
step six, carrying out finish turning on the tempered rotor workpiece, carrying out finish turning on the A section and the E section of the rotor workpiece, and slotting the center of the end face of the A section;
step seven, performing finish turning on the section B, the section C and the section D of the rotor workpiece, and opening center holes in the center of the end face of the section D;
step eight, tapping the threaded hole in the section D of the rotor workpiece;
step nine, grinding the center hole of the section A end face and the center hole of the section D end face on the rotor workpiece;
step ten, carrying out coarse grinding on the outer ring surfaces of the sections A, E, B, C and D on the rotor workpiece;
step eleven, performing rough cutting rotary vane slot operation on the radial two sides of the section E on the rotor workpiece after the rough grinding in the step eleven;
step twelve, tempering the rotor workpiece after roughly cutting the rotor slot at a medium temperature of 600 ℃;
step thirteen, drilling and fine milling the end face of the section A of the rotor workpiece subjected to medium-temperature tempering;
fourteen, milling key grooves on the ring sides of the C section and the D section on the rotor workpiece;
fifthly, performing outer circle fine grinding operation on the rotor workpiece with the milled key groove completed in the fourteenth step, performing fine grinding operation on the ring side surfaces of the sections A, E, B, C and D on the rotor workpiece, and simultaneously preventing a sharp angle on the section E from colliding during fine grinding;
sixthly, performing fine cutting on the section E on the rotor workpiece, performing fine cutting on the radial rotor plate groove of the section E, wherein after the fine cutting, the roughness of the radial rotor plate groove of the section E is 1.6, the parallelism is 0.01, and the symmetry is 0.015;
seventhly, performing oil spinning groove operation on the rotor workpiece after the rotor workpiece is subjected to fine cutting of the spinning groove, and polishing the rotor workpiece by adopting oilstone;
eighteen, performing fine grinding operation on the front end face and the rear end face of the E section of the rotor workpiece;
nineteen, carrying out outer circle fine grinding operation on the ring surface of the E section of the rotor workpiece;
twenty, performing oil spinning groove operation on the rotor workpiece again;
twenty one, carrying out surface polishing operation on the side surface of the E-section ring of the rotor workpiece;
twenty-two steps, carrying out QPQ treatment on the rotor workpiece, wherein the temperature of the QPQ treatment is 570 ℃;
twenty-third, performing surface polishing operation again on the section E of the rotor workpiece after QPQ treatment;
twenty-four steps, performing final inspection on the processed rotor workpiece, and performing accurate inspection on the corresponding dimension of the rotor workpiece;
twenty-five, performing rust prevention operation on the rotor workpiece qualified in final inspection;
twenty-six, packaging the processed rotor workpiece in a special turnover box;
and twenty-seventh step, warehousing the packaged finished workpiece products.
2. The backing pump rotor machine-shaping process of claim 1, wherein:
a, E, B, C, D sections of the rotor workpiece are subjected to subsection forming rough turning, the size of each section is controlled, and the error of the length size is controlled within 0.2.
3. The backing pump rotor machine-shaping process of claim 1, wherein:
the HB range of quenching and tempering of the rotor workpiece at high temperature is 220-250, and the verticality error between the vertical planes is controlled within 0.2.
4. The backing pump rotor machine-shaping process of claim 1, wherein:
and (5) tapping the section D of the rotor workpiece, wherein the tapping depth is not less than 16.
5. The backing pump rotor machine-shaping process of claim 1, wherein:
and performing outer circle fine grinding operation on the rotor workpiece with the milled key grooves on the sections C and D, performing fine grinding operation on the ring side surfaces of the sections A, E, B, C and D on the rotor workpiece, wherein the roughness of the ring side of the section A is 0.4, and the roughness of the sections E, C, B and D is 0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911275465.7A CN111037220B (en) | 2019-12-12 | 2019-12-12 | Machining and forming process for backing pump rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911275465.7A CN111037220B (en) | 2019-12-12 | 2019-12-12 | Machining and forming process for backing pump rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111037220A CN111037220A (en) | 2020-04-21 |
| CN111037220B true CN111037220B (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911275465.7A Active CN111037220B (en) | 2019-12-12 | 2019-12-12 | Machining and forming process for backing pump rotor |
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| CN (1) | CN111037220B (en) |
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| CN106086361A (en) * | 2016-07-25 | 2016-11-09 | 杭州汽轮动力集团有限公司 | A kind of Industrial Steam Turbine Rotors Aided forging piecewise heat treatment method |
| CN107097046A (en) * | 2017-05-12 | 2017-08-29 | 西南石油大学 | A kind of processing method of hollow motor rotor |
| CN107350728A (en) * | 2016-05-09 | 2017-11-17 | 南京晨伟机械设备制造有限公司 | A kind of production technology of high intensity bushing for plunger pump |
| CN107962365A (en) * | 2017-10-31 | 2018-04-27 | 沈阳透平机械股份有限公司 | The rotor assembling method of super-big and overweight with three-stage main shaft |
| CN108817861A (en) * | 2018-07-04 | 2018-11-16 | 柴姣姣 | A kind of processing technology of overlength servo motor shaft |
| CN110270796A (en) * | 2019-04-30 | 2019-09-24 | 江苏恒义汽配制造有限公司 | A kind of processing technology of rotor axis of electric |
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2019
- 2019-12-12 CN CN201911275465.7A patent/CN111037220B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162702A (en) * | 1996-04-15 | 1997-10-22 | 福建省仙游汽车无刷电机总厂 | Manufacture of vacuum pump rotor for vehicle |
| WO2001051774A2 (en) * | 2000-01-12 | 2001-07-19 | Keystone Investment Corporation | Method of fabricating camshafts and other products |
| CN1553056A (en) * | 2003-06-03 | 2004-12-08 | 大庆油田有限责任公司 | Screw pump rotor machining process |
| CN102248357A (en) * | 2010-05-20 | 2011-11-23 | 上海重型机器厂有限公司 | Method for manufacturing low-pressure rotor of megawatt-grade supercritical steam turbine unit |
| CN104384874A (en) * | 2014-09-27 | 2015-03-04 | 安徽金庆龙机械制造有限公司 | Processing process of automobile engine crank shaft |
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| CN107097046A (en) * | 2017-05-12 | 2017-08-29 | 西南石油大学 | A kind of processing method of hollow motor rotor |
| CN107962365A (en) * | 2017-10-31 | 2018-04-27 | 沈阳透平机械股份有限公司 | The rotor assembling method of super-big and overweight with three-stage main shaft |
| CN108817861A (en) * | 2018-07-04 | 2018-11-16 | 柴姣姣 | A kind of processing technology of overlength servo motor shaft |
| CN110270796A (en) * | 2019-04-30 | 2019-09-24 | 江苏恒义汽配制造有限公司 | A kind of processing technology of rotor axis of electric |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111037220A (en) | 2020-04-21 |
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Denomination of invention: A Processing and Forming Process for Front Stage Pump Rotors Granted publication date: 20210112 Pledgee: Zhejiang Taizhou Jiaojiang Rural Commercial Bank Co.,Ltd. Pledgor: TAIZHOU SHUODA MACHINERY Co.,Ltd. Registration number: Y2024330000884 |