CN109623607A - A kind of 5L autoclave stainless steel circular rope seal face prosthetic device and method - Google Patents

A kind of 5L autoclave stainless steel circular rope seal face prosthetic device and method Download PDF

Info

Publication number
CN109623607A
CN109623607A CN201811478560.2A CN201811478560A CN109623607A CN 109623607 A CN109623607 A CN 109623607A CN 201811478560 A CN201811478560 A CN 201811478560A CN 109623607 A CN109623607 A CN 109623607A
Authority
CN
China
Prior art keywords
prosthetic
kettle
kettle cover
mouth
cover
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
Application number
CN201811478560.2A
Other languages
Chinese (zh)
Inventor
杜浩
孙建宇
郭繁林
石峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China North Nuclear Fuel Co Ltd
Original Assignee
China North Nuclear Fuel Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China North Nuclear Fuel Co Ltd filed Critical China North Nuclear Fuel Co Ltd
Priority to CN201811478560.2A priority Critical patent/CN109623607A/en
Publication of CN109623607A publication Critical patent/CN109623607A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/033Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes

Abstract

The present invention relates to a kind of 5L autoclave stainless steel circular rope seal face prosthetic device and method, the device includes kettle cover prosthetic device, kettle mouth prosthetic device and turns rod;The method is the following steps are included: step 1, will turn rod and be mounted on kettle cover prosthetic device or kettle mouth prosthetic device;Step 2, when being polished using kettle cover prosthetic device or kettle mouth prosthetic device the sealing surface of kettle cover or kettle mouth, 30 μm of abrasive pastes are coated between prosthetic device and the sealing surface polished, it is lubricated using kerosene, then the hand-held rod that turns drives prosthetic device to roughly grind the sealing surface of kettle cover or kettle mouth;Step 3, the abrasive pastes of 5 μm of replacement are refined again after corase grinding, until defect layer is disposed of.The present invention makes 5L autoclave stainless steel circular rope seal face prosthetic device re-start reconditioning to autoclave kettle mouth and kettle cover, and slip is 0 after reconditioning, achieves the desired results.

Description

A kind of 5L autoclave stainless steel circular rope seal face prosthetic device and method
Technical field
The invention belongs to autoclaves to repair field, and in particular to a kind of 5L autoclave stainless steel circular rope seal face reparation dress It sets and method.
Background technique
The kettle mouth reparation of autoclave at present is usually that upper lathe carries out reconditioning respectively after removing kettle cover and autoclave body, removes table To carry out turning and polishing, then planar defect layer needs biggish special purpose lathe and fixture since kettle cover and autoclave body volume are larger It is also suppressed to test its leakproofness, periphery producer can not have two above condition at present.It is high during equipment debugging Pressure kettle returns factory due to the leakage of kettle mouth and places under repair, and flyback period is long, expensive, can affect to production detection.
In recent years, it was polished by outside services personnel's manual mode sealing surface, but since precision is difficult to ensure, instead It has carried out again repeatedly, repairing efficiency is long and repairing effect is still undesirable.
Summary of the invention
It is an object of the invention to: autoclave kettle mouth contact surface is the important link for influencing the sealing performance of kettle, is being carried out Out kettle, enter in the operating process such as kettle and cleaning, there may be scratch or pits, such as kettle cover and kettle mouth contact surface to use for kettle mouth Longitudinally through property occurs in journey to scratch, abraded area will appear leakage in use, equipment can not normal use, at this moment It needs to repair sealing surface.
Technical scheme is as follows: a kind of 5L autoclave stainless steel circular rope seal face prosthetic device, including kettle cover Prosthetic device, kettle mouth prosthetic device and turn rod;
The kettle cover prosthetic device carries out reconditioning for the sealing surface to kettle cover, removes the defect layer on surface;Generally Hollow cylinder, bottom are equipped with kettle cover Sanding Area, and using polishing pellet design, internal diameter becomes larger from up to down, with kettle cover Sealing surface matches;It is equipped with behaviour area in the top of kettle cover Sanding Area, for adjusting the position of kettle cover prosthetic device;In behaviour area Top be equipped with watch window, for kettle cover repair process observation use;Wherein kettle cover Sanding Area, behaviour area and watch window Center line and kettle cover prosthetic device centerline collineation;
The kettle mouth prosthetic device carries out reconditioning for the sealing surface to kettle mouth, removes the defect layer on surface;Generally Hollow cylinder, bottom are equipped with kettle mouth Sanding Area, and using polishing pellet design, outer diameter is bottom-up to be become larger, with kettle mouth Sealing surface matches;It is vacancy section at the position of kettle mouth prosthetic device inner hollow, for adjusting the position of kettle mouth prosthetic device; Wherein, the centerline collineation of the center line of kettle mouth Sanding Area and vacancy section and kettle cover prosthetic device;
At the top of kettle cover prosthetic device, it is symmetrically arranged with two threaded hole A and is symmetrically set at the top of kettle mouth prosthetic device There are two threaded hole B, turn rod for installing;
Described turns rod, and lower end is male end, matches with threaded hole;Upper end is hand-held place, is held when for repairing.
Further, the kettle cover prosthetic device, outer diameter are Φ 160-165mm, are highly 90-100mm;The kettle Lid Sanding Area depth is 9-10mm, and internal diameter is Φ 145- Φ 158mm;The behaviour area fixed inner diameter Φ 145mm is highly 31-35mm;The watch window internal diameter is Φ 115-120mm, is highly 50-55mm.
Further, the kettle mouth prosthetic device, outer diameter Φ 160-170mm are highly 90-100mm;The kettle mouth Sanding Area depth is 20-25mm, and outer diameter is Φ 145- Φ 155mm;The vacancy section fixed inner diameter Φ 120mm.
Further, the depth of the threaded hole A and threaded hole B is 15-20mm;The a length of 15- of the male end 18mm, holding director is 45-65mm;The size of threaded hole A, the threaded hole B and male end are M10*1.
Further, the end of the male end has carried out 0.5 chamfered.
Further, the hand-held place carries out annular knurl processing.
Further, the kettle cover prosthetic device, material selection H13 steel alloy, quality is hard, integrally quenched, Tempering, hardness is greater than 51HRC, and falls blunt processing to sharp edge.
Further, the kettle mouth prosthetic device, material selection H13 steel alloy, quality is hard, integrally quenched, Tempering, hardness is greater than 51HRC, and falls blunt processing to sharp edge;
Further, described to turn rod, material is 1Cr17Ni2 martensite, is integrally quenched, tempering, hardness is big In 51HRC.
A kind of 5L autoclave stainless steel circular rope seal surface repair method, using prosthetic device of the present invention, including Following steps:
Step 1 will turn rod and be mounted on kettle cover prosthetic device or kettle mouth prosthetic device, then by kettle cover prosthetic device or The kettle cover or kettle mouth sealing surface of kettle mouth prosthetic device and autoclave are installed togather;
Step 2 is being repaired when being polished using kettle cover prosthetic device or kettle mouth prosthetic device the sealing surface of kettle cover or kettle mouth The abrasive pastes that 30 μm are coated between apparatus for coating and the sealing surface polished, are lubricated using kerosene, are then held and are turned Rod drives prosthetic device to roughly grind the sealing surface of kettle cover or kettle mouth;
Step 3, the abrasive pastes of 5 μm of replacement are refined again after corase grinding, until defect layer is disposed of.
Remarkable result of the invention is:
1) 5L autoclave stainless steel circular rope seal face prosthetic device has been re-started to autoclave kettle mouth and kettle cover to repair Mill, slip is 0 after reconditioning, is achieved the desired results.
2) the autoclave depot repair period is long, and autoclave is heavier, and integral disassembly, assembly, carrying are heavy.Use 3.5L high pressure After the prosthetic device of kettle stainless steel circular rope seal face, it may be implemented equipment to be completed to repair debugging within a short period of time.
3) 5L autoclave stainless steel circular rope seal face prosthetic device is made, it can be quick, simple, economic to defective part Position repairs, and does not need to move equipment, effectively reduces repairing efficiency and labor intensity.
Detailed description of the invention
Fig. 1 is kettle cover sealing surface structure schematic diagram;
Fig. 2 is kettle mouth sealing surface structure schematic diagram;
Fig. 3 is kettle cover prosthetic device structural schematic diagram;
Fig. 4 is kettle mouth prosthetic device structural schematic diagram;
Fig. 5 is to turn rod structural schematic diagram;
Fig. 6 is that kettle cover prosthetic device uses schematic diagram;
Fig. 7 is that kettle mouth prosthetic device uses schematic diagram;
In figure: 1. kettle cover sealing surfaces, 2. kettle mouth sealing surfaces, 3. kettle cover Sanding Areas, 4. behaviour areas, 5. threaded hole A, 6 observations Window, 7. kettle mouth Sanding Areas, 8. threaded hole B, 9. vacancy sections, 10. male ends, 11. hand-held places.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is to a kind of 5L autoclave stainless steel circular rope seal face of the present invention Prosthetic device and method are described in further detail.
As illustrated in figs. 2-7, a kind of 5L autoclave stainless steel circular rope seal face prosthetic device, including kettle cover prosthetic device, Kettle mouth prosthetic device and turn rod;
The kettle cover prosthetic device carries out reconditioning for the sealing surface to kettle cover, removes the defect layer on surface;Generally Hollow cylinder, bottom are equipped with kettle cover Sanding Area 3, and using polishing pellet design, internal diameter becomes larger from up to down, with kettle cover Sealing surface matches;It is equipped with behaviour area 4 in the top of kettle cover Sanding Area 3, for adjusting the position of kettle cover prosthetic device;In activity The top in area 4 is equipped with watch window 6, and the observation for kettle cover repair process uses;Wherein kettle cover Sanding Area 3, behaviour area 4 and sight Examine the center line of window 6 and the centerline collineation of kettle cover prosthetic device;
The kettle mouth prosthetic device carries out reconditioning for the sealing surface to kettle mouth, removes the defect layer on surface;Generally Hollow cylinder, bottom are equipped with kettle mouth Sanding Area 7, and using polishing pellet design, outer diameter is bottom-up to be become larger, with kettle mouth Sealing surface matches;It is vacancy section 9 at the position of kettle mouth prosthetic device inner hollow, for adjusting the position of kettle mouth prosthetic device It sets;Wherein, the centerline collineation of the center line of kettle mouth Sanding Area 7 and vacancy section 9 and kettle cover prosthetic device;
At the top of kettle cover prosthetic device, it is symmetrically arranged with two threaded hole A5 and is symmetrically set at the top of kettle mouth prosthetic device There are two threaded hole B8, turn rod for installing;
Described turns rod, and lower end is male end 10, matches with threaded hole 5;Upper end is hand-held place 11, when for repairing It is hand-held.
Further, the kettle cover prosthetic device, outer diameter are Φ 160-165mm, are highly 90-100mm;The kettle 3 depth of lid Sanding Area is 9-10mm, and internal diameter is Φ 145- Φ 158mm;The 4 fixed inner diameter Φ 145mm of behaviour area is highly 31-35mm;6 internal diameter of watch window is Φ 115-120mm, is highly 50-55mm.
Further, the kettle mouth prosthetic device, outer diameter Φ 160-170mm are highly 90-100mm;The kettle mouth 7 depth of Sanding Area is 20-25mm, and outer diameter is Φ 145- Φ 155mm;The 9 fixed inner diameter Φ 120mm of vacancy section.
Further, the depth of the threaded hole A5 and threaded hole B8 is 15-20mm;The male end 10 is a length of 15-18mm holds 11 a length of 45-65mm of place;The size of threaded hole A5, the threaded hole B8 and male end 10 are M10*1.
Further, the end of the male end 10 has carried out 0.5 chamfered.
Further, the hand-held place 11 carries out annular knurl processing.
Further, the kettle cover prosthetic device, material selection H13 steel alloy, quality is hard, integrally quenched, Tempering, hardness is greater than 51HRC, and falls blunt processing to sharp edge.
Further, the kettle mouth prosthetic device, material selection H13 steel alloy, quality is hard, integrally quenched, Tempering, hardness is greater than 51HRC, and falls blunt processing to sharp edge;
Further, described to turn rod, material is 1Cr17Ni2 martensite, is integrally quenched, tempering, hardness is big In 51HRC.
A kind of 5L autoclave stainless steel circular rope seal surface repair method, using prosthetic device of the present invention, including Following steps:
Step 1 will turn rod and be mounted on kettle cover prosthetic device or kettle mouth prosthetic device, then by kettle cover prosthetic device or The kettle cover or kettle mouth sealing surface of kettle mouth prosthetic device and autoclave are installed togather;
Step 2 is being repaired when being polished using kettle cover prosthetic device or kettle mouth prosthetic device the sealing surface of kettle cover or kettle mouth The abrasive pastes that 30 μm are coated between apparatus for coating and the sealing surface polished, are lubricated using kerosene, are then held and are turned Rod drives prosthetic device to roughly grind the sealing surface of kettle cover or kettle mouth;
Step 3, the abrasive pastes of 5 μm of replacement are refined again after corase grinding, until defect layer is disposed of.

Claims (10)

1. a kind of 5L autoclave stainless steel circular rope seal face prosthetic device, it is characterised in that: including kettle cover prosthetic device, kettle mouth Prosthetic device and turn rod;
The kettle cover prosthetic device carries out reconditioning for the sealing surface to kettle cover, removes the defect layer on surface;It is generally hollow Cylindrical body, bottom are equipped with kettle cover Sanding Area (3), and using polishing pellet design, internal diameter becomes larger from up to down, close with kettle cover Cover matches;Behaviour area (4) are equipped in the top of kettle cover Sanding Area (3), for adjusting the position of kettle cover prosthetic device;In work The top of dynamic area (4) is equipped with watch window (6), and the observation for kettle cover repair process uses;Wherein kettle cover Sanding Area (3), work The centerline collineation of the center line and kettle cover prosthetic device of dynamic area (4) and watch window (6);
The kettle mouth prosthetic device carries out reconditioning for the sealing surface to kettle mouth, removes the defect layer on surface;It is generally hollow Cylindrical body, bottom are equipped with kettle mouth Sanding Area (7), and using polishing pellet design, outer diameter is bottom-up to be become larger, close with kettle mouth Cover matches;It is vacancy section (9) at the position of kettle mouth prosthetic device inner hollow, for adjusting the position of kettle mouth prosthetic device It sets;Wherein, the centerline collineation of the center line of kettle mouth Sanding Area (7) and vacancy section (9) and kettle cover prosthetic device;
At the top of kettle cover prosthetic device, it is symmetrically arranged with two threaded hole A (5) and is symmetrically arranged at the top of kettle mouth prosthetic device Two threaded hole B (8) turn rod for installing;
Described turns rod, and lower end is male end (10), matches with threaded hole (5);Upper end is hand-held place (11), for repairing When it is hand-held.
2. a kind of 5L autoclave stainless steel circular rope seal face as described in claim 1 prosthetic device, it is characterised in that: described Kettle cover prosthetic device, outer diameter be Φ 160-165mm, be highly 90-100mm;Kettle cover Sanding Area (3) depth is 9- 10mm, internal diameter are Φ 145- Φ 158mm;Described behaviour area (4) the fixed inner diameter Φ 145mm, is highly 31-35mm;Described Watch window (6) internal diameter is Φ 115-120mm, is highly 50-55mm.
3. a kind of 5L autoclave stainless steel circular rope seal face as described in claim 1 prosthetic device, it is characterised in that: described Kettle mouth prosthetic device, outer diameter Φ 160-170mm is highly 90-100mm;Kettle mouth Sanding Area (7) depth is 20- 25mm, outer diameter are Φ 145- Φ 155mm;Described vacancy section (9) the fixed inner diameter Φ 120mm.
4. a kind of 5L autoclave stainless steel circular rope seal face as described in claim 1 prosthetic device, it is characterised in that: described Threaded hole A (5) and threaded hole B (8) depth be 15-20mm;Described male end (10) a length of 15-18mm holds place (11) a length of 45-65mm;The size of threaded hole A (5), the threaded hole B (8) and male end (10) are M10*1.
5. a kind of 5L autoclave stainless steel circular rope seal face as described in claim 1 prosthetic device, it is characterised in that: described The end of male end (10) carried out 0.5 chamfered.
6. a kind of 5L autoclave stainless steel circular rope seal face as described in claim 1 prosthetic device, it is characterised in that: described Hand-held place (11) carry out annular knurl processing.
7. a kind of 5L autoclave stainless steel circular rope seal face as described in claim 1 prosthetic device, it is characterised in that: described Kettle cover prosthetic device, material selection H13 steel alloy, quality is hard, is integrally quenched, tempering, and hardness is greater than 51HRC, and blunt processing fallen to sharp edge.
8. a kind of 5L autoclave stainless steel circular rope seal face as described in claim 1 prosthetic device, it is characterised in that: described Kettle mouth prosthetic device, material selection H13 steel alloy, quality is hard, is integrally quenched, tempering, and hardness is greater than 51HRC, and blunt processing fallen to sharp edge.
9. a kind of 5L autoclave stainless steel circular rope seal face as described in claim 1 prosthetic device, it is characterised in that: described Turn rod, material is 1Cr17Ni2 martensite, is integrally quenched, tempering, and hardness is greater than 51HRC.
10. a kind of 5L autoclave stainless steel circular rope seal surface repair method, which is characterized in that using described in claim 1 Prosthetic device, comprising the following steps:
Step 1 will turn rod and be mounted on kettle cover prosthetic device or kettle mouth prosthetic device, then by kettle cover prosthetic device or kettle mouth The kettle cover or kettle mouth sealing surface of prosthetic device and autoclave are installed togather;
Step 2 is filled when being polished using kettle cover prosthetic device or kettle mouth prosthetic device the sealing surface of kettle cover or kettle mouth repairing The abrasive pastes that 30 μm are coated between the sealing surface set and polished, are lubricated using kerosene, are then held and are turned rod band Dynamic prosthetic device roughly grinds the sealing surface of kettle cover or kettle mouth;
Step 3, the abrasive pastes of 5 μm of replacement are refined again after corase grinding, until defect layer is disposed of.
CN201811478560.2A 2018-12-05 2018-12-05 A kind of 5L autoclave stainless steel circular rope seal face prosthetic device and method Pending CN109623607A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811478560.2A CN109623607A (en) 2018-12-05 2018-12-05 A kind of 5L autoclave stainless steel circular rope seal face prosthetic device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811478560.2A CN109623607A (en) 2018-12-05 2018-12-05 A kind of 5L autoclave stainless steel circular rope seal face prosthetic device and method

Publications (1)

Publication Number Publication Date
CN109623607A true CN109623607A (en) 2019-04-16

Family

ID=66071273

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811478560.2A Pending CN109623607A (en) 2018-12-05 2018-12-05 A kind of 5L autoclave stainless steel circular rope seal face prosthetic device and method

Country Status (1)

Country Link
CN (1) CN109623607A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101954610A (en) * 2010-02-01 2011-01-26 杭州耐特阀门有限公司 Sealing surface free-grinding repairing method of slurry valve
CN201856161U (en) * 2010-10-28 2011-06-08 浙江江山化工股份有限公司 Special tool for repairing sealing surface of high-pressure equipment
CN201970176U (en) * 2011-01-30 2011-09-14 哈尔滨汽轮机厂有限责任公司 Grinding tool for sealing surface of check valve body
CN203471543U (en) * 2013-08-23 2014-03-12 浙江瑞莱士机械有限公司 Grinding tool for ball valve grinding machine
US20160059374A1 (en) * 2014-08-27 2016-03-03 Siemens Energy, Inc. Lapping tool
CN106514483A (en) * 2016-11-11 2017-03-22 中国石油天然气第建设有限公司 Tool for fixing grinding ring for high-pressure flange sealing face
CN206366906U (en) * 2016-11-17 2017-08-01 浙江江山化工股份有限公司 A kind of high-tension apparatus conical seal (contact) face grinding tool
CN207189425U (en) * 2017-08-17 2018-04-06 中广核研究院有限公司 Seal for pipe joints face milling tool
CN207431981U (en) * 2017-11-17 2018-06-01 哈电集团(秦皇岛)重型装备有限公司 A kind of evaporator sealing surface grinding tool
CN207736016U (en) * 2017-12-29 2018-08-17 三门核电有限公司 Spool carries the regulating valve fix tool of C-shaped ring auxiliary seal
CN208147611U (en) * 2018-05-21 2018-11-27 大唐山东电力检修运营有限公司 High temperature and pressure non-return flap sealing surface of seat milling tool

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101954610A (en) * 2010-02-01 2011-01-26 杭州耐特阀门有限公司 Sealing surface free-grinding repairing method of slurry valve
CN201856161U (en) * 2010-10-28 2011-06-08 浙江江山化工股份有限公司 Special tool for repairing sealing surface of high-pressure equipment
CN201970176U (en) * 2011-01-30 2011-09-14 哈尔滨汽轮机厂有限责任公司 Grinding tool for sealing surface of check valve body
CN203471543U (en) * 2013-08-23 2014-03-12 浙江瑞莱士机械有限公司 Grinding tool for ball valve grinding machine
US20160059374A1 (en) * 2014-08-27 2016-03-03 Siemens Energy, Inc. Lapping tool
CN106514483A (en) * 2016-11-11 2017-03-22 中国石油天然气第建设有限公司 Tool for fixing grinding ring for high-pressure flange sealing face
CN206366906U (en) * 2016-11-17 2017-08-01 浙江江山化工股份有限公司 A kind of high-tension apparatus conical seal (contact) face grinding tool
CN207189425U (en) * 2017-08-17 2018-04-06 中广核研究院有限公司 Seal for pipe joints face milling tool
CN207431981U (en) * 2017-11-17 2018-06-01 哈电集团(秦皇岛)重型装备有限公司 A kind of evaporator sealing surface grinding tool
CN207736016U (en) * 2017-12-29 2018-08-17 三门核电有限公司 Spool carries the regulating valve fix tool of C-shaped ring auxiliary seal
CN208147611U (en) * 2018-05-21 2018-11-27 大唐山东电力检修运营有限公司 High temperature and pressure non-return flap sealing surface of seat milling tool

Similar Documents

Publication Publication Date Title
CN105817832B (en) Pressure vessel field repair is with remanufacturing technique
CN103921056B (en) The online restorative procedure of axle journal
CN105171330B (en) Chilling ring of gasifying furnace restorative procedure
CN109207991A (en) A kind of renovation technique of axle sleeve
DE102009021824A1 (en) Method for edge chamfering and rounding metal components, particularly compressor and turbine disks, involves exchanging components into grinding medium
CN203197723U (en) Cylindrical workpiece inner hole polishing device
CN108422150A (en) A kind of restorative procedure of cock valve core and plug valve
CN109623607A (en) A kind of 5L autoclave stainless steel circular rope seal face prosthetic device and method
CN105904151A (en) Thin-wall component recombining and restoring method based on pulse welding and laser augmented material restoring
CN109623606A (en) A kind of 3.5L autoclave stainless steel circular rope seal face prosthetic device and method
CN105349992B (en) It is a kind of to be directed to aircraft vertical pin, the laser melting coating restorative procedure of bolt piece surface
CN107009198A (en) Nuclear island primary device part chromium coating method for grinding
CN106271456A (en) A kind of axle sleeve processing technique
CN206366875U (en) A kind of gap-clearance of piston rings seamed edge burr removal device
CN108127547A (en) A kind of centrifugal impeller extrusion honing device and method
CN208992313U (en) A kind of numerically-controlled machine tool coolant liquid concentration cooling device
US2607174A (en) Method of grinding eyeglass lenses
CN110508994A (en) A kind of recovery technique of large size tooth shaft and box body of speed reducer bearing digit pulse cold welding
CN103357988A (en) Shaft precision machined part damage defect welding repair method
CN203853892U (en) Device for improving efficiency of removing burr from filter part intersection hole by abrasive flow
CN108000048B (en) A kind of online restorative procedure of main screw hole of reactor pressure vessel flange
CN205414632U (en) Processingequipment is cut to cover of boron carnbide material work piece
CN102615576A (en) Self-cleaning grinding and polishing tool
CN106112753B (en) Gas suspension cooled abrasive belt grinding head contacts wheel apparatus
CN109175421A (en) A kind of superhard combined cut cutter

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: 20190416

RJ01 Rejection of invention patent application after publication