CN113523718B - Manufacturing process of nuclear main pump bearing guide ring key groove of nuclear power station - Google Patents
Manufacturing process of nuclear main pump bearing guide ring key groove of nuclear power station Download PDFInfo
- Publication number
- CN113523718B CN113523718B CN202110770584.0A CN202110770584A CN113523718B CN 113523718 B CN113523718 B CN 113523718B CN 202110770584 A CN202110770584 A CN 202110770584A CN 113523718 B CN113523718 B CN 113523718B
- Authority
- CN
- China
- Prior art keywords
- guide ring
- key groove
- bearing guide
- key
- surfacing
- 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.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 229910000531 Co alloy Inorganic materials 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000005242 forging Methods 0.000 claims abstract description 4
- 238000007514 turning Methods 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 39
- 238000010438 heat treatment Methods 0.000 claims description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 230000007547 defect Effects 0.000 claims description 12
- NKRHXEKCTWWDLS-UHFFFAOYSA-N [W].[Cr].[Co] Chemical compound [W].[Cr].[Co] NKRHXEKCTWWDLS-UHFFFAOYSA-N 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000012459 cleaning agent Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000009659 non-destructive testing Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 4
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000035480 Ring chromosome 8 syndrome Diseases 0.000 description 1
- 229910001347 Stellite Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- HVYLDJKDVOOTHV-UHFFFAOYSA-N acetic acid;2-iminoethanethiol Chemical compound CC(O)=O.CC(O)=O.SCC=N HVYLDJKDVOOTHV-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- AHICWQREWHDHHF-UHFFFAOYSA-N chromium;cobalt;iron;manganese;methane;molybdenum;nickel;silicon;tungsten Chemical compound C.[Si].[Cr].[Mn].[Fe].[Co].[Ni].[Mo].[W] AHICWQREWHDHHF-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
Images
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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a manufacturing process of a nuclear main pump bearing guide ring key groove of a nuclear power station, wherein the machining process of a bearing guide ring (3) is finished on a forging blank according to the requirements of a drawing; the bearing guide ring (3) is fixed on a workbench (6) of a five-axis machining center (5), 8 key grooves (2) are machined by the five-axis machining center (5) matched with a right-angle head (4) through rotation of the workbench (6), the width of each key groove (2) is 48mm, and the vertical distance between the bottom of each machined key groove (2) and the center of the bearing guide ring (3) is 204.15 mm; after the turning procedure is finished, 8 key grooves of the bearing guide shaft are respectively machined by matching a five-axis machining center with an angle head, and the W-Cr-Co alloy is subjected to secondary surfacing. The invention improves the strength and the precision of the bearing guide ring key groove, finally completes the processing of 8 key grooves, reduces the manufacturing cost, shortens the processing time, improves the production efficiency, prolongs the service life of the bearing guide ring, and has been widely applied to the nuclear main pump.
Description
The technical field is as follows:
the invention relates to a manufacturing process of a nuclear main pump bearing guide ring key groove of a nuclear power station.
Background art:
nuclear power station nuclear main pump bearing guide ring is the key part of bearing seal main pump, nuclear power station nuclear main pump bearing guide ring's 8 key ways manufacturing accuracy directly influences and leads 8 key grooves of bearing to prepare the piece of centering down, if the geometric tolerances of 8 key grooves of bearing guide ring can not satisfy the required precision, then hardly dispose qualified 8 piece of centering simultaneously, just probably lead down the bearing off-centre, thereby lead the bearing eccentric wear down when making the operation, the main pump vibrations are too big, more serious can lead to the fact the nuclear power plant accident. The manufacturing process of the bearing guide ring is particularly important for normal operation of the shaft seal nuclear main pump and localization of the main pump manufacturing technology. The traditional technology is that after 8 key grooves are directly machined by a slotting machine through a forge piece, special tools are adopted to grind and repair the shape and position tolerance and the size tolerance of the key grooves, the process is complicated, the precision is difficult to meet the requirement, the key grooves are directly machined through forge piece materials, the service life of a bearing guide ring is prolonged, and the service life of a nuclear main pump is prolonged.
The invention content is as follows:
the invention aims to disclose a manufacturing process of a nuclear main pump bearing guide ring key groove of a nuclear power station, which has high reliability, high precision and high efficiency. The technical scheme of the invention is as follows: a manufacturing process of a nuclear main pump bearing guide ring key groove of a nuclear power station comprises the following steps:
1) finishing the turning process of the bearing guide ring (3) on the forging blank according to the requirements of a drawing;
2) the bearing guide ring (3) is fixed on a workbench (6) of a five-axis machining center (5), 8 key grooves (2) are machined by the five-axis machining center (5) matched with a right-angle head (4) through rotation of the workbench (6), the width of each key groove (2) is 48mm, and the vertical distance between the bottom of each machined key groove (2) and the center of the bearing guide ring (3) is 204.15 mm;
3) surfacing the first layer of the W-Cr-Co alloy (1) of each key groove (2): preheating the bearing guide ring (3) to 450 ℃, uniformly finishing surfacing welding on two sides of each key groove (2) by adopting argon tungsten-arc welding, enabling the width dimension of each key groove (2) to be 43mm after surfacing welding, placing the bearing guide ring (3) in a heating furnace to reach 450 ℃ when surfacing welding on one side of each key groove (2) is finished, then performing surfacing welding on the other side of each key groove (2) until surfacing welding of 8 key grooves (2) is finished, placing the bearing guide ring (3) in the heating furnace, preserving heat for one hour at 460 ℃, and cooling to room temperature along with the furnace temperature;
4) the bearing guide ring (3) is fixed on a workbench (6) of a five-axis machining center (5), 8 key grooves (2) are machined through the five-axis machining center (5) and a right-angle head (4) in a matched mode through rotation of the workbench (6), the width of each key groove (2) is 45mm, and the vertical distance between the bottom of each machined key groove (2) and the center of the bearing guide ring (3) is 204.75 mm;
5) nondestructive penetration detection of the surface of the tungsten chromium cobalt alloy (1) deposited on each key groove (2): firstly, removing grease covering on the surface of the wolfram-chromium-cobalt alloy (1) surfacing welded on the key slot (2) by using a dye penetrant cleaning agent, applying a dye penetrant penetrating agent on the surface of the wolfram-chromium-cobalt alloy (1) surfacing welded on the key slot (2), wherein the penetrating time is not less than 20 minutes, the detected area on the surface of the wolfram-chromium-cobalt alloy (1) surfacing welded on the key slot (2) should be kept in a wet state in the penetrating waiting time, removing the redundant dye penetrant penetrating agent, drying the surface of the wolfram-chromium-cobalt alloy (1) by using a normal evaporation method, applying a dye penetrant developer on the surface of the wolfram-chromium-cobalt alloy (1) surfacing welded on the key slot (2), and ensuring that the surface of the wolfram-chromium-cobalt alloy (1) surfacing welded on the key slot (2) cannot have cracks, cracks and cuts, wherein the following defects are disqualified: a. displaying linear defects; b. circular defects greater than 3mm show; c. three or more displays arranged in a line and each defect has a pitch of less than 3 mm;
6) surfacing a second layer of tungsten-chromium-cobalt alloy (1) of the key groove (2): preheating the bearing guide ring (3) to 450 ℃, uniformly finishing surfacing welding on two sides of the key groove (2) by adopting argon tungsten-arc welding, enabling the width dimension of each key groove (2) to be 40mm after surfacing welding, placing the bearing guide ring (3) in a heating furnace to reach 450 ℃ when surfacing welding on one side of the key groove (2) is finished, then performing surfacing welding on the other side of the key groove (2) until surfacing welding of 8 key grooves (2) is finished, placing the bearing guide ring (3) in the heating furnace, preserving heat for one hour at 460 ℃, and cooling to room temperature along with the furnace temperature;
7) the bearing guide ring (3) is fixed on a workbench (6) of a five-axis machining center (5), 8 key grooves (2) are machined through rotation of the workbench (6) by matching the five-axis machining center (5) with a right-angle head (4), and the width of each key groove (2) is 42+0.04 0mm, the perpendicularity of the two sides of each key groove (2) relative to the end surface is 0.01mm, the symmetry of each key groove (2) is 0.02mm, and the vertical distance from the bottom of each key groove (2) to the center of the bearing guide ring (3) is 205.15 mm;
8) and (5) carrying out nondestructive testing repeatedly according to the step 5) to complete the whole process steps.
The invention has the technical effects that:
the invention creatively adopts a five-axis machining center to machine 8 key slots of a bearing guide ring, the method has the advantages that the machining of 8 key slots is finished by clamping for the first time, the angle conversion of a workpiece can be finished by the rotation of a five-axis machining center worktable, the symmetry requirement of key slot machining is ensured, the corresponding position precision of the 8 key slots of the bearing guide ring and the 8 key slots of a lower guide bearing is ensured, 8 centering blocks are connecting pieces of the lower guide bearing and the bearing guide ring, the coaxiality of the lower guide bearing and the bearing guide ring is determined by the precision of the 8 key slots, the center of the lower guide bearing is not positioned on the operation center of a main pump when the lower guide bearing and the bearing guide ring are not coaxial, if the center of the lower guide bearing deviates from the rotation center of the main pump, the gap between the lower guide bearing and a shaft sleeve is not uniform, and the eccentric grinding of a graphite carbon ring of an inner circle of the lower guide bearing is caused when a shafting is operated, thereby causing damage to the carbon ring and an increase in vibration of the main pump or a more serious accident. According to the invention, the machining center is matched with the right-angle head to machine, so that 8 key grooves are machined by using the slotting machine, and the complicated process of grinding and repairing the form and position tolerance and the dimensional tolerance of the key grooves by using a special tool is replaced, so that the machining efficiency is improved, and the precision requirement is ensured.
The invention creatively adopts the W-Cr-Co alloy to bead weld the surface of the 8 key grooves of the bearing guide ring, and has the advantages that: the surfacing surface of the material can greatly prolong the service life of the bearing guide ring and increase the strength; when the tungsten chromium cobalt alloy is assembled with a lower guide bearing and a centering block, the centering block is prevented from being abraded and damaged, and the condition of abrasion and damage does not occur after the surface of a bearing guide ring is surfacing welded by adopting the tungsten chromium cobalt alloy; after each layer of surfacing is finished, the surface of the surfacing layer is subjected to nondestructive testing, the surfacing quality of the key slot is ensured, and after the surface of one key slot is surfaced, the key slot is put into a heating furnace again to keep the temperature, so that the problem of quality influence in the welding process is prevented.
Description of the drawings:
FIG. 1 is a schematic view of the position of a build-up welding layer of a bearing guide ring
FIG. 2 schematic view of bearing guide ring keyway processing
FIG. 3 is a schematic view of the working state of the bearing guide ring
The specific implementation mode is as follows:
a manufacturing and detecting process of a nuclear main pump piston ring of a nuclear power station comprises the following steps:
1) finishing the turning process of the bearing guide ring 3 on the forging blank according to the requirements of a drawing;
2) the bearing guide ring 3 is fixed on a workbench 6 of a five-axis machining center 5, 8 key grooves 2 are machined by the five-axis machining center 5 matched with a right-angle head 4 through rotation of the workbench 6, the width of each key groove 2 is 48mm, and the vertical distance from the bottom of each key groove 2 to the center of the bearing guide ring 3 is 204.15mm, as shown in FIG. 2;
3) as shown in fig. 1, the first layer of stellite 1 of each keyway 2 is deposited by overlay welding: preheating the bearing guide ring 3 to 450 ℃, uniformly finishing surfacing welding on two sides of each key groove 2 by adopting argon tungsten-arc welding, enabling the width dimension of each key groove 2 to be 43mm after surfacing welding, placing the bearing guide ring 3 in a heating furnace to enable the bearing guide ring 3 to reach 450 ℃ when surfacing welding on one side of each key groove 2 is finished, then performing surfacing welding on the other side of each key groove 2 until surfacing welding of 8 key grooves 2 is finished, placing the bearing guide ring 3 in the heating furnace, preserving heat for one hour at 460 ℃, and cooling to room temperature along with the furnace temperature;
4) the bearing guide ring 3 is fixed on a workbench 6 of a five-axis machining center 5, 8 key grooves 2 are machined by the five-axis machining center 5 matched with a right-angle head 4 through rotation of the workbench 6, the width of each key groove 2 is 45mm, and the vertical distance from the bottom of each key groove 2 to the center of the bearing guide ring 3 is 204.75 mm;
5) nondestructive penetration detection of the surface of the tungsten chromium cobalt alloy 1 overlaying each key groove 2: firstly, removing grease covering on the surface of the wolfram-chromium-cobalt alloy 1 overlaying the key groove 2 by using a dye penetrant cleaning agent, applying a dye penetrant to the surface of the wolfram-chromium-cobalt alloy 1 overlaying the key groove 2, wherein the permeation time is not less than 20 minutes, the detected area on the surface of the wolfram-chromium-cobalt alloy 1 overlaying the key groove 2 should be kept in a wet state in the permeation waiting time, removing the redundant dye penetrant, drying the surface of the wolfram-chromium-cobalt alloy 1 by using a normal evaporation method, applying a dye penetrant developer to the surface of the wolfram-chromium-cobalt alloy 1 overlaying the key groove 2, and preventing the surface of the wolfram-chromium-cobalt alloy 1 overlaying the key groove 2 from having cracks, cracks and cutting marks, wherein the following defects are failed: a. displaying linear defects; b. circular defects greater than 3mm show; c. three or more displays arranged in a line and each defect has a pitch of less than 3 mm;
6) surfacing the second layer of the tungsten chromium cobalt alloy 1 of the key groove 2: preheating the bearing guide ring 3 to 450 ℃, uniformly finishing surfacing welding on two sides of the key groove 2 by adopting argon tungsten-arc welding, enabling the width dimension of each key groove 2 to be 40mm after surfacing welding, placing the bearing guide ring 3 in a heating furnace to enable the bearing guide ring 3 to reach 450 ℃ when surfacing welding on one side of the key groove 2 is finished, then performing surfacing welding on the other side of the key groove 2 until surfacing welding of 8 key grooves 2 is finished, placing the bearing guide ring 3 in the heating furnace, preserving heat for one hour at 460 ℃, and cooling to room temperature along with the furnace temperature;
7) the bearing guide ring 3 is fixed on a workbench 6 of a five-axis machining center 5, 8 key grooves 2 are machined through rotation of the workbench 6 by adopting the five-axis machining center 5 and a right-angle head 4, and the width dimension of each key groove 2 is 42+0.04 0mm, the perpendicularity of the two sides of each key groove 2 relative to the end surface is 0.01mm, the symmetry degree of each key groove 2 is 0.02mm, and the vertical distance from the bottom of the machined key groove 2 to the center of the bearing guide ring 3 is 205.15 mm;
8) and (5) carrying out nondestructive testing repeatedly according to the step 5) to complete the whole process steps. All the dye penetrant cleaning agent, dye penetrant and dye penetrant developer are matched products published and sold by Suzhou New Meida flaw detection equipment Limited.
As shown in fig. 3, in the operating state, the bearing guide ring 3 is assembled on the outer side of the lower guide bearing 8, the bearing guide ring 3 and the lower guide bearing 8 are connected through the centering block 7, 8 centering blocks 7 are arranged in 8 key slots 2 of the bearing guide ring 3 and 8 key slots 11 of the lower guide bearing 3, the graphite carbon ring 9 is arranged on the inner side of the lower guide bearing 8, and the shaft sleeve 10 runs in the center of the graphite carbon ring 9.
Claims (1)
1. A manufacturing process of a nuclear power station nuclear main pump bearing guide ring key groove is characterized by comprising the following steps: the method comprises the following steps:
1) finishing the turning process of the bearing guide ring (3) on the forging blank according to the requirements of a drawing;
2) the bearing guide ring (3) is fixed on a workbench (6) of a five-axis machining center (5), 8 key grooves (2) are machined by the five-axis machining center (5) matched with a right-angle head (4) through rotation of the workbench (6), the width of each key groove (2) is 48mm, and the vertical distance between the bottom of each machined key groove (2) and the center of the bearing guide ring (3) is 204.15 mm;
3) surfacing the first layer of the W-Cr-Co alloy (1) of each key groove (2): preheating the bearing guide ring (3) to 450 ℃, uniformly finishing surfacing welding on two sides of each key groove (2) by adopting argon tungsten-arc welding, enabling the width dimension of each key groove (2) to be 43mm after surfacing welding, placing the bearing guide ring (3) in a heating furnace to reach 450 ℃ when surfacing welding on one side of each key groove (2) is finished, then performing surfacing welding on the other side of each key groove (2) until surfacing welding of 8 key grooves (2) is finished, placing the bearing guide ring (3) in the heating furnace, preserving heat for one hour at 460 ℃, and cooling to room temperature along with the furnace temperature;
4) the bearing guide ring (3) is fixed on a workbench (6) of a five-axis machining center (5), 8 key grooves (2) are machined through the five-axis machining center (5) and a right-angle head (4) in a matched mode through rotation of the workbench (6), the width of each key groove (2) is 45mm, and the vertical distance between the bottom of each machined key groove (2) and the center of the bearing guide ring (3) is 204.75 mm;
5) nondestructive penetration detection of the surface of the tungsten chromium cobalt alloy (1) deposited on each key groove (2): firstly, removing grease covering on the surface of the wolfram-chromium-cobalt alloy (1) surfacing welded on the key slot (2) by using a dye penetrant cleaning agent, applying a dye penetrant penetrating agent on the surface of the wolfram-chromium-cobalt alloy (1) surfacing welded on the key slot (2), wherein the penetrating time is not less than 20 minutes, the detected area on the surface of the wolfram-chromium-cobalt alloy (1) surfacing welded on the key slot (2) should be kept in a wet state in the penetrating waiting time, removing the redundant dye penetrant penetrating agent, drying the surface of the wolfram-chromium-cobalt alloy (1) by using a normal evaporation method, applying a dye penetrant developer on the surface of the wolfram-chromium-cobalt alloy (1) surfacing welded on the key slot (2), and ensuring that the surface of the wolfram-chromium-cobalt alloy (1) surfacing welded on the key slot (2) cannot have cracks, cracks and cuts, wherein the following defects are disqualified: a. displaying linear defects; b. circular defects greater than 3mm show; c. three or more displays arranged in a line and each defect has a pitch of less than 3 mm;
6) surfacing a second layer of tungsten-chromium-cobalt alloy (1) of the key groove (2): preheating the bearing guide ring (3) to 450 ℃, uniformly finishing surfacing welding on two sides of the key groove (2) by adopting argon tungsten-arc welding, enabling the width dimension of each key groove (2) to be 40mm after surfacing welding, placing the bearing guide ring (3) in a heating furnace to reach 450 ℃ when surfacing welding on one side of the key groove (2) is finished, then performing surfacing welding on the other side of the key groove (2) until surfacing welding of 8 key grooves (2) is finished, placing the bearing guide ring (3) in the heating furnace, preserving heat for one hour at 460 ℃, and cooling to room temperature along with the furnace temperature;
7) the bearing guide ring (3) is fixed on a workbench (6) of a five-axis machining center (5), 8 key grooves (2) are machined through rotation of the workbench (6) by matching the five-axis machining center (5) with a right-angle head (4), and the width of each key groove (2) is 42+0.04 0mm, the perpendicularity of the two sides of each key groove (2) relative to the end surface is 0.01mm, the symmetry of each key groove (2) is 0.02mm, and the vertical distance from the bottom of each key groove (2) to the center of the bearing guide ring (3) is 205.15 mm;
8) and (5) carrying out nondestructive testing repeatedly according to the step 5) to complete the whole process steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110770584.0A CN113523718B (en) | 2021-07-08 | 2021-07-08 | Manufacturing process of nuclear main pump bearing guide ring key groove of nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110770584.0A CN113523718B (en) | 2021-07-08 | 2021-07-08 | Manufacturing process of nuclear main pump bearing guide ring key groove of nuclear power station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113523718A CN113523718A (en) | 2021-10-22 |
| CN113523718B true CN113523718B (en) | 2022-04-05 |
Family
ID=78098022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110770584.0A Active CN113523718B (en) | 2021-07-08 | 2021-07-08 | Manufacturing process of nuclear main pump bearing guide ring key groove of nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113523718B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247740A (en) * | 1992-11-05 | 1993-09-28 | Minnesota Mining And Manufacturing Company | Method and apparatus for cutting a keyway in a mill roll |
| CN101176965A (en) * | 2006-11-08 | 2008-05-14 | 中色科技股份有限公司 | Technique for processing bevel gear with driving sleeve |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070207715A1 (en) * | 2006-03-06 | 2007-09-06 | Steven Webb | Cutting tool insert with molded insert body |
| US20080207420A1 (en) * | 2007-02-22 | 2008-08-28 | Ralph Divirgilio | Rolling mill oil film bearing sleeve with filled keyway |
| CN102672441B (en) * | 2012-04-28 | 2014-06-04 | 重庆市江津区宏盛机械制造有限公司 | Light rail intermediate shaft machining process |
| CN104759831A (en) * | 2014-01-04 | 2015-07-08 | 临安创投机械有限公司 | Machining technology for blades in liquid pump for pumping viscous fluid |
| CN104097037B (en) * | 2014-06-26 | 2016-04-20 | 哈尔滨电气动力装备有限公司 | The processing technology of Nuclear Power Station main pump stator |
| CN104723169B (en) * | 2015-03-27 | 2017-01-04 | 苏州江源精密机械有限公司 | Automatic indexing right-angle head device on gantry machining center |
| CN106346220A (en) * | 2016-11-18 | 2017-01-25 | 陕西高华知本化工科技有限公司 | Mining explosion-proof main ventilator hub shaft sleeve keywaying method |
| CN108067838B (en) * | 2017-10-31 | 2020-05-19 | 武汉船用机械有限责任公司 | Processing method of inner hole keyway |
| CN109968239B (en) * | 2019-03-21 | 2020-07-14 | 哈尔滨电气动力装备有限公司 | Process method for preparing size of centering block of main pump of bearing seal of nuclear power station |
| CN112658612B (en) * | 2020-12-17 | 2022-04-05 | 哈尔滨电气动力装备有限公司 | Manufacturing and detecting process method of nuclear main pump piston ring of nuclear power station |
| CN112975508A (en) * | 2021-03-26 | 2021-06-18 | 贵州航天电子科技有限公司 | Machining clamp and machining method for thin-wall shell part |
-
2021
- 2021-07-08 CN CN202110770584.0A patent/CN113523718B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247740A (en) * | 1992-11-05 | 1993-09-28 | Minnesota Mining And Manufacturing Company | Method and apparatus for cutting a keyway in a mill roll |
| CN101176965A (en) * | 2006-11-08 | 2008-05-14 | 中色科技股份有限公司 | Technique for processing bevel gear with driving sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113523718A (en) | 2021-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106166660B (en) | A kind of smooth shaft wears online renovation technique | |
| CN110449848B (en) | Processing technology for overlaying stellite hard alloy thin-wall sleeve | |
| CN110052728B (en) | Online welding repair method for end cover cracking of large ball mill | |
| CN104786003A (en) | Method for repairing main bearing hole of body | |
| CN117300729B (en) | Efficient and precise machining method for normal round holes of special-shaped products based on three-axis machine tool | |
| CN115401421A (en) | A kind of preparation method of multi-connected turbine guide vane | |
| CN104097037B (en) | The processing technology of Nuclear Power Station main pump stator | |
| JP6377424B2 (en) | Method for manufacturing outer joint member and outer joint member | |
| CN108202202B (en) | Steam seal tooth repairing system and method for steam turbine rotor | |
| CN101733479A (en) | Single-disk reaming method of high-pressure rotor labyrinth disk | |
| CN106062400B (en) | Method for manufacturing outer joint member of constant velocity universal joint, outer joint member, shaft member, and cup-shaped member | |
| CN113523718B (en) | Manufacturing process of nuclear main pump bearing guide ring key groove of nuclear power station | |
| CN110091125B (en) | Method for machining water line of sealing surface of air duct flange of compressor for pipeline | |
| CN112935715B (en) | Machining manufacturing method for airplane wheel hub | |
| CN110189841A (en) | The multiplexing method of the old part of nuclear power station reactor core measuring system thrust section and extended segment | |
| CN206169355U (en) | A location jig that is used for branch spot facing works such as round hole flange face | |
| CN102554556B (en) | Machining method for eliminating wear of propeller hub and blades of adjustable propeller device | |
| CN106312480A (en) | Method for machining main gear of mining mill | |
| CN110125630B (en) | Method for machining pivot holes of runner hub blades of Kaplan turbine | |
| CN116237758A (en) | Automatic repair production line for anode guide rod | |
| CN105345057B (en) | A kind of centre bore benchmark modification method for reducing the cutting moment of torque | |
| CN212250155U (en) | A wheel assembly | |
| CN103753155A (en) | Processing method for annular piston of water turbine and processing tool | |
| CN108818228B (en) | Cam grinding machine automatic positioning mechanism of engine camshaft | |
| CN113814667B (en) | Processing method of triangular shaft sleeve |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |