WO2017154699A1 - シール面加工機及び方法 - Google Patents
シール面加工機及び方法 Download PDFInfo
- Publication number
- WO2017154699A1 WO2017154699A1 PCT/JP2017/008131 JP2017008131W WO2017154699A1 WO 2017154699 A1 WO2017154699 A1 WO 2017154699A1 JP 2017008131 W JP2017008131 W JP 2017008131W WO 2017154699 A1 WO2017154699 A1 WO 2017154699A1
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- WIPO (PCT)
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- valve
- main body
- processing machine
- surface processing
- tool holder
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/02—Milling surfaces of revolution
- B23C3/05—Finishing valves or valve seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/02—Milling surfaces of revolution
- B23C3/05—Finishing valves or valve seats
- B23C3/051—Reconditioning of valve seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
- B23B3/22—Turning-machines or devices with rotary tool heads
- B23B3/26—Turning-machines or devices with rotary tool heads the tools of which perform a radial movement; Rotary tool heads thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
- B23B3/22—Turning-machines or devices with rotary tool heads
- B23B3/26—Turning-machines or devices with rotary tool heads the tools of which perform a radial movement; Rotary tool heads thereof
- B23B3/265—Surfacing or grooving flanges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/06—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning valves or valve bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/06—Milling machines not designed for particular work or special operations with one vertical working-spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/02—Milling surfaces of revolution
- B23C3/05—Finishing valves or valve seats
- B23C3/051—Reconditioning of valve seats
- B23C3/053—Reconditioning of valve seats having means for guiding the tool carrying spindle
- B23C3/056—Reconditioning of valve seats having means for guiding the tool carrying spindle for taps or valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/02—Milling surfaces of revolution
- B23C3/05—Finishing valves or valve seats
- B23C3/058—Reconditioning of valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q9/00—Arrangements for supporting or guiding portable metal-working machines or apparatus
- B23Q9/0007—Portable machines comprising means for their guidance or support directly on the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q9/00—Arrangements for supporting or guiding portable metal-working machines or apparatus
- B23Q9/0014—Portable machines provided with or cooperating with guide means supported directly by the workpiece during action
- B23Q9/0028—Portable machines provided with or cooperating with guide means supported directly by the workpiece during action the guide means being fixed only on the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q9/00—Arrangements for supporting or guiding portable metal-working machines or apparatus
- B23Q9/02—Arrangements for supporting or guiding portable metal-working machines or apparatus for securing machines or apparatus to workpieces, or other parts, of particular shape, e.g. to beams of particular cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
- B24B15/02—Machines or devices designed for grinding seat surfaces; Accessories therefor in valve housings
- B24B15/03—Machines or devices designed for grinding seat surfaces; Accessories therefor in valve housings using portable or mobile machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
- F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/005—Repairing methods or devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2260/00—Details of constructional elements
- B23C2260/04—Adjustable elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2270/00—Details of milling machines, milling processes or milling tools not otherwise provided for
- B23C2270/18—Milling internal areas of components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
- F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
- F05D2230/14—Micromachining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/72—Maintenance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/80—Repairing, retrofitting or upgrading methods
Definitions
- the present invention relates to a seal surface processing machine for repairing a sealing seal surface for a seal in a valve device used for supplying fluid to a turbine, and a seal surface processing method using the seal surface processing machine. is there.
- the heat energy of steam generated in a boiler is converted into mechanical work by the steam turbine, and a valve device is provided between the boiler and the steam turbine.
- the valve device is provided in a flow path of steam sent from the boiler to the steam turbine, and opens and closes the flow path by operating a valve body.
- This valve device is hermetically sealed by providing a steam flow path in the valve body and fixing a mounting plate via a packing sheet.
- the steam flowing into the inside of the boiler collides with the inner wall portion of the flow path of the valve main body as a jet, and thus a pressure loss occurs here, and the steam that collides with the inner wall portion Erosion (erosion) of the mounting surface of the packing sheet formed on the valve main body due to the scattering of the jet flow occurs.
- Erosion Erosion
- the erosion of the mounting surface of the packing sheet occurs in the valve device described above, the flow of the steam flowing into the steam turbine may be disturbed, so it is necessary to repair the mounting surface of the packing sheet.
- the mounting surface of the packing sheet is cut to remove the eroded portion.
- this repair process removes a valve apparatus from electric power generation equipment, conveys to another factory, and is performed here with a predetermined processing apparatus. Therefore, the repair work of the valve device is performed for a long time, which not only makes the work difficult, but also requires the power generation equipment to be stopped for a long time.
- This invention solves the subject mentioned above, and aims at providing the seal surface processing machine and method which aim at the improvement of workability
- the seal surface processing machine of the present invention includes a valve main body provided with a fluid flow path, and a valve body inserted into the flow path from an opening of the valve main body.
- a valve device comprising: a valve drive unit that opens and closes; and a mounting plate that closes the opening by being fixed to the valve main body via a seal member, wherein the mounting surface of the seal member in the valve main body
- a first moving part movable along the direction;
- a second moving part capable of moving the tool holder along a second direction intersecting a moving direction of the valve body with respect to the main body part, and the main body part with respect to the pedestal part in the first direction.
- a second adjustment device for adjusting the position of the main body portion in the second direction with respect to the pedestal portion.
- the seal surface processing machine is assembled to the valve body of the valve device instead of the valve drive unit.
- the mounting surface can be repaired while the valve device is mounted on the turbine or the like. This eliminates the need for removing the valve device from the turbine, transporting it to a repair factory, or reassembling it to the turbine, etc., and improving the workability of the repair work of the mounting surface of the seal member in the valve body. it can.
- the position can be adjusted along the first direction by the first adjustment device, and the position can be adjusted in the second direction by the second adjustment device. Accordingly, the position and inclination of the seal surface processing machine can be adjusted, and the processing accuracy of the repair work of the mounting surface of the seal member in the valve main body can be improved.
- the rotating part is supported by the first moving part so as to be movable in the first direction with respect to the main body part, and the tool holder is supported by the second part with respect to the rotating part.
- the moving part is supported so as to be movable in the second direction, and the inner peripheral side of the mounting surface can be cut by the tool supported by the tool holder.
- the rotating part is rotatably supported with respect to the main body part, and the tool holder is movable in the first direction by the first moving part with respect to the rotating part.
- the second moving portion is supported so as to be movable in the second direction, and the outer peripheral side of the mounting surface can be cut by the tool supported by the tool holder.
- the tool holder is mounted on the outer peripheral portion of the rotating portion, and a counterweight is mounted at a position facing the tool holder on the outer peripheral portion of the rotating portion at 180 degrees in the circumferential direction. It is characterized by that.
- the tool holder by attaching the tool holder to one of the outer peripheral parts of the rotating part and attaching the counterweight to the other side, the deviation of the center of gravity position of the rotating part can be corrected and the imbalance acting on the rotating part can be prevented.
- the eccentric rotation of the holder can be suppressed.
- the seal surface processing machine of the present invention is characterized in that a centering jig that contacts the valve seat in the valve main body portion and defines the center position of the rotating portion is detachably provided on the rotating portion.
- the center position of the rotating part in the seal surface processing machine can be defined by the centering jig so that the center of the valve body and the center of the tool holder can coincide with each other, and the processing accuracy of the mounting surface can be improved.
- the seal surface processing machine of the present invention is characterized in that the pedestal portion is disposed with a predetermined gap from the mounting surface in the valve main body portion.
- the pedestal portion when the pedestal portion is arranged with a predetermined gap from the mounting surface of the valve body portion, the mounting surface is exposed to the outside, and the mounting surface can be easily cut with a cutting tool.
- the sealing surface processing method of the present invention includes a valve main body provided with a fluid flow path, and a valve drive section that opens and closes the flow path by a valve body inserted into the flow path from an opening of the valve main body. And a mounting plate for closing the opening by being fixed to the valve body through a seal member, and a sealing surface for cutting the mounting surface of the seal member in the valve body It is a processing method, the step of removing the valve drive unit from the valve body part, the step of attaching the seal surface processing machine to the valve body part, the body part by the first adjustment device and the second adjustment device Adjusting the position, rotating the tool holder about an axis parallel to the moving direction of the valve body, and moving the tool holder along the second direction. It is a characteristic
- the position can be adjusted along the second direction by the first adjustment device, and the position can be adjusted in the second direction by the second adjustment device. Accordingly, the position and inclination of the seal surface processing machine can be adjusted, and the processing accuracy of the repair work of the mounting surface of the seal member in the valve main body can be improved.
- the step of cutting the inner peripheral side of the mounting surface with the cutting tool supported by the tool holder, and the outer peripheral side of the mounting surface by the cutting tool supported by the tool holder are performed. And a step of cutting.
- the seal surface processing machine and method of the present invention when the mounting surface of the seal member in the valve device is eroded by erosion, the seal surface processing machine is assembled to the valve main body of the valve device instead of the valve drive unit, The mounting surface can be repaired while the valve device is still attached to the turbine or the like. Therefore, the workability of the repair work of the mounting surface of the seal member in the valve main body can be improved, and the processing accuracy of the repair work can be improved.
- FIG. 1 is a plan view showing the inner peripheral side sealing surface processing machine of the first embodiment.
- FIG. 2 is a cross-sectional view taken along the line II-II in FIG. 1 showing the inner peripheral side seal surface processing machine.
- 3 is a cross-sectional view taken along the line III-III of FIG. 1 showing a method of fixing the pedestal portion and the main body portion in the inner peripheral side sealing surface processing machine.
- 4 is a cross-sectional view taken along the line IV-IV in FIG. 1 showing a pressing device in the inner peripheral side seal surface processing machine.
- FIG. 5 is a schematic view showing a centering operation in the inner peripheral side seal surface processing machine.
- FIG. 6 is a longitudinal sectional view showing the outer peripheral side sealing surface processing machine of the first embodiment.
- FIG. 7 is a sectional view showing the valve device.
- FIG. 8 is a longitudinal sectional view showing a seal surface processing machine according to the second embodiment.
- FIG. 7 is a sectional view showing the valve device.
- the valve device 101 is detachably provided on the valve main body 110 that forms a steam flow path 110 a and opens and closes the flow path 110 a in the valve main body 110.
- a valve driving unit 120 that operates the valve body 124.
- the valve device 101 is provided between the boiler and the steam turbine in the power generation facility, and forms a flow path 110a through which the steam supplied from the boiler to the steam turbine flows by the valve body 110.
- the valve drive unit 120 stops the flow of steam in the flow path 110a and adjusts the flow rate of the steam flowing through the flow path 110a.
- the valve body 110 includes a first opening 111 that opens on one side in the horizontal direction (right side in FIG. 7), and a second opening 112 that opens on one side in the vertical direction (lower side in FIG. 7). A third opening 113 that opens to the other side in the vertical direction (upper side in FIG. 7) is provided.
- the valve main body 110 has a first opening 111 connected to the boiler and a second opening 112 connected to the steam turbine, and steam generated in the boiler passes through the first opening 111 and the valve device 101. It flows into the (valve body 110) and then flows out to the steam turbine via the second opening 112. That is, the valve body 110 is formed with a flow path 110 a that communicates the first opening 111 and the second opening 112.
- the third opening 113 is formed to communicate with the flow path 110a and to face the second opening 112.
- the third opening 113 is formed so as to face the upper surface 114 of the valve body 110, and the upper surface 114 that the third opening 113 faces is a processed surface that is processed flat.
- the valve main body 110 is configured such that the valve driving unit 120 in the valve device 101 is attached to the upper surface 114.
- the valve driving unit 120 includes a mounting plate 121 fixed to the valve main body 110 (upper surface 114), a driving unit main body 122 provided on the mounting plate 121 and having a driving source (not shown), and a driving unit main body 122.
- a valve rod 123 and a valve body 124 that are operated in a direction (vertical direction and up and down direction in FIG. 7) are provided.
- the valve body 110 has a plurality of bolt holes 115 formed in the vicinity of the third opening 113 on the upper surface 114, and stud bolts 116 are screwed into the bolt holes 115, respectively.
- the valve drive unit 120 is formed with a valve rod insertion hole 125 through which the valve rod 123 can be inserted at a position corresponding to the third opening 113 of the valve main body 110 on the mounting plate 121, and the valve main body 110.
- a bolt insertion hole 126 into which the stud bolt 116 can be inserted is formed at a position corresponding to the bolt hole 115 and the stud bolt 116.
- the mounting plate 121 (valve drive unit 120) is inserted into the bolt insertion hole 126 from the upper surface 114 (valve body 110), and the nut 117 is screwed in from the tip of the stud bolt 116, whereby the mounting plate 121 (valve drive part 120) is fixed to the upper surface 114 (valve body part 110).
- a plurality of bolt holes 115 and stud bolts 116 in the valve main body 110 are provided at a predetermined distance in the circumferential direction surrounding the third opening 113, and the bolt insertion holes 126 in the valve driving unit 120 are bolts.
- a plurality (the same pitch and the same number as the bolt holes 115 and stud bolts 116) are provided so as to correspond to the holes 115 and the stud bolts 116, that is, surrounding the valve rod insertion holes 125 and spaced apart by a predetermined distance in the circumferential direction.
- a packing sheet 130 as a seal member is provided between the valve main body 110 and the mounting plate 121.
- the upper surface 114 is an attachment surface of the packing sheet 130
- the packing sheet 130 is placed on the upper surface 114
- the attachment plate 121 is placed on the upper surface of the packing sheet 130.
- the packing sheet 130 is sandwiched between the upper surface 114 of the valve main body 110 and the lower surface of the mounting plate 121, and is attached by a stud bolt 116 and a nut 117 so as not to fall off.
- the drive unit main body 122 is fixed to the mounting plate 121 by a fixing device (not shown), and the valve rod 123 is provided to project downward from the drive unit main body 122 through the valve rod insertion hole 125 of the mounting plate 121.
- the valve body 124 is attached to the distal end side (lower end side in FIG. 7) of the valve rod 123.
- valve stem 123 and the valve body 124 are operated in the axial direction of the valve stem 123 (vertical direction in FIG. 7) by the drive source of the drive unit main body 122.
- the valve body 110 is provided with a valve seat 118 having a shape corresponding to the valve body 124 in the second opening 112, and the valve body 124 is brought into close contact with the valve seat 118 by the operation of the valve driving unit 120. It has become.
- the valve body 124 is in close contact with the valve seat 118, the flow passage 110a in the valve main body 110 is closed, and the flow of steam from the boiler to a steam turbine (not shown) is stopped.
- the sealing surface processing machine is for cutting a mounting surface (upper surface) 114 of the packing sheet 130 in the valve main body 110 with the valve device 101.
- the seal surface processing machine includes an inner peripheral side seal surface processing machine that cuts the inner peripheral side of the mounting surface (upper surface) 114 of the valve main body 110 and an outer peripheral side seal surface processing machine that processes the outer peripheral side. It consists of and.
- FIG. 1 is a plan view showing the inner peripheral side seal surface processing machine of the first embodiment
- FIG. 2 is a sectional view taken along the line II-II of FIG. 1 showing the inner peripheral side seal surface processing machine
- FIG. FIG. 4 is a sectional view taken along the line III-III in FIG. 1 showing a method of fixing the pedestal portion and the main body in the peripheral surface sealing surface processing machine
- FIG. FIG. 5 is a schematic view showing a centering operation in the inner peripheral side sealing surface processing machine.
- the inner peripheral side seal surface processing machine 1 ⁇ / b> A constituting the seal surface processing machine 1 includes a pedestal part 10, a main body part 20, and a first support part (first moving part) 30. And a spindle (rotating part) 40, a second support part (second moving part) 50, and a tool holder 60.
- the pedestal 10 is fixed to the valve main body 110 of the valve device 101.
- the pedestal portion 10 is placed on the attachment surface 114 of the valve body 110 via the attachment portion 10a so that the inner peripheral side of the attachment surface 114 of the valve body 110 is exposed.
- the main body portion 20 is provided on the pedestal portion 10 and is movable with respect to the pedestal portion 10 in the horizontal X-axis direction (vertical direction in FIG. 1) and the Y-axis direction (left-right direction in FIG. 1).
- the first support portion 30 extends from the main body portion 20 to one horizontal side (the left side in FIGS. 1 and 2), and is perpendicular to the main body portion 20 by the ball screw device 31 (see FIG. 1). 2 in the vertical direction).
- the main shaft 40 is provided on the front end side (left end side in FIG. 2) of the first support portion 30, and is supported so as to be movable in the vertical W-axis direction (up and down direction in FIG. 2) with respect to the first support portion 30. ing.
- the main shaft 40 can be driven to rotate around a vertical C axis by a drive motor 41.
- the second support portion 50 is provided at the tip end portion (lower end portion in FIG. 2) of the main shaft 40, and the mounting base 51 is parallel to the main shaft 40 in the X-axis direction (vertical direction in FIG. 1) and Y-axis direction ( It can move in the left-right direction in FIG.
- the tool holder 60 is provided at the lower end portion of the mounting base 51, and holds the cutting tool T and can be moved in the Xt axis direction (left and right direction in FIG. 2) intersecting the vertical direction by the second support portion 50. It is.
- the movement of the first support portion 30, the main shaft 40, the second support portion 50, and the tool holder 60 is controlled by an NC device (not shown).
- This inner peripheral side seal surface processing machine 1A is for repairing the mounting surface 114 of the valve device 101 when the mounting surface 114 of the packing sheet 130 in the valve main body 110 is eroded by erosion.
- the valve drive unit 120 (see FIG. 7) is assembled to the valve main body 110 of the valve device 101. That is, the inner peripheral side seal surface processing machine 1A is movable, and repairs the valve seat 118 in a state where the valve device 101 (the valve main body 110) is assembled to the boiler and the steam turbine. It is something that can be done.
- the pedestal portion 10 has a flat plate shape in which the circular portion 11 and the rectangular portion 12 are combined, and the pedestal portion 10 is fixed to the valve main body 110 of the valve device 101 in the circular portion 11. Then, the main body portion 20 of the inner peripheral side sealing surface processing machine 1 ⁇ / b> A is fixed to the pedestal portion 10 in the rectangular portion 12.
- the pedestal portion 10 is capable of passing the main shaft 40 through the circular portion 11 (substantially the same diameter as the third opening 113 and has a larger diameter than the third opening 113 in FIGS. 1 and 2).
- the holes 13 and a plurality (twelve in FIG. 1) of bolt through holes 14 through which the stud bolts 116 can be inserted are provided.
- the main shaft through hole 13 is formed at a position corresponding to the third opening 113, and the plurality of bolt through holes 14 are located at positions corresponding to the bolt hole 115 and the stud bolt 116 of the valve device 101, that is, the main shaft through hole 13.
- a plurality (the same pitch and the same number as the bolt holes 115 and the stud bolts 116) are provided so as to surround and be separated by a predetermined distance in the circumferential direction.
- valve body 110 By inserting the stud bolt 116 of the valve main body 110 in the valve device 101 into the bolt through hole 14 of the pedestal portion 10 in the inner peripheral side seal surface processing machine 1A, and screwing the nut 15 from the tip of the stud bolt 116, The pedestal 10 (inner peripheral side seal surface processing machine 1A) can be fixed to the valve body 110 (valve device 101).
- the plurality of stud bolts 116 in the valve device 101 and the plurality of bolt through holes 14 in the inner peripheral side seal surface processing machine 1A are provided at the same pitch and in the same number.
- the stud bolt 116 of the valve device 101 is inserted into the bolt hole 14 of the pedestal portion 10 even if the inner peripheral side seal surface processing machine 1A is rotated by one pitch (or a plurality of pitches) with respect to the valve device 101. be able to. Therefore, the pedestal 10 (inner peripheral side seal surface processing machine 1A) can be assembled to the valve main body 110 (valve device 101) while shifting the phase for each pitch.
- the mounting direction of the inner peripheral side seal surface processing machine 1A with respect to the valve device 101 is variable, when there is another device (peripheral structure) (not shown) near the valve device 101, the other It is possible to assemble the inner peripheral side seal surface processing machine 1A to the valve device 101 (valve main body 110) while avoiding interference with the other device.
- the inner peripheral side seal surface processing machine 1 ⁇ / b> A is provided with a flange 21 on the main body 20 at a symmetrical position (upper side and lower side in FIG. 1).
- the flange portion 21 is pressed by the pressing bracket 23 and the bolt 24 together with the liner 22 formed at substantially the same height as the flange 21 (vertical length in FIG. 3). It is fixed to.
- the inner peripheral side seal surface processing machine 1 ⁇ / b> A includes a first adjustment device 70 that adjusts the position of the main body 20 with respect to the pedestal 10 in the Z-axis direction, which is the first direction, and a main body with respect to the pedestal 10. And a second adjusting device 80 that adjusts the position of the unit 20 in the horizontal X-axis direction and the Y-axis direction, which are the second directions.
- the pedestal portion 10 is provided with protrusions 16 and 17 located around the main body portion 20 (four directions in FIG. 1).
- An X-axis direction position adjusting bolt 18 is screwed into the protrusions 16 positioned on both sides (upper side and lower side in FIG. 1) of the main body 20 in the horizontal X-axis direction.
- the main body 20 can be moved in the X-axis direction on the pedestal 10 by screwing.
- Y-axis direction position adjusting bolts 19 are screwed into the protrusions 17 located on both sides (the left side and the right side in FIG. 1) of the main body 20 in the horizontal Y-axis direction.
- the bolt 19 By screwing the bolt 19, the main body 20 can be moved in the Y-axis direction on the pedestal 10. That is, the position of the main body 20 with respect to the pedestal 10 in the horizontal plane (XY plane) can be adjusted by the X-axis direction position adjusting bolt 18 and the Y-axis direction position adjusting bolt 19.
- the main body 20 has a plurality of (four in FIG. 1) penetrating the flange 21 in the vertical direction (vertical direction in FIG. 4).
- a screw hole 25 is formed, and a push-up bolt 26 is screwed into each screw hole 25.
- the push-up bolt 26 By screwing the push-up bolt 26 into the flange 21, the main body 20 can be lifted with respect to the base 10, that is, a gap can be formed between the base 10 and the main body 20.
- a height adjustment liner (not shown) is inserted into this gap (between the pedestal 10 and the main body 20). can do.
- the X-axis direction position, the Y-axis direction position and the inclination of the main body portion 20 can be adjusted, so that the main shaft 40 is centered on the valve seat 118. It is possible to perform an accurate processing that matches the above.
- the main body 20 is fixed to the pedestal 10 in a state where the X-axis direction position, the Y-axis direction position, and the inclination are adjusted. Can be fixed to.
- the inner peripheral side seal surface processing machine 1 ⁇ / b> A uses a valve device 101 to contact the valve seat 118 in the valve main body 110 to define the center position of the main shaft 40.
- 90 is detachably provided on the main shaft 40.
- the centering jig 90 is detachable from the mounting base 51 of the second support portion 50, and contacts 91, 92, 93 can be mounted at a plurality of positions. Therefore, by rotating the main shaft 40 in a state where the contacts 91, 92, 93 are in contact with the valve seat 118 and the third opening 113, the main shaft 40 is rotated relative to the center position of the valve main body 110 according to the contact state. The shift of the center position can be detected.
- FIG. 6 is a longitudinal sectional view showing the outer peripheral side sealing surface processing machine of the first embodiment.
- the outer peripheral side seal surface processing machine has basically the same configuration as the inner peripheral side seal surface processing machine described above, and members having the same functions are denoted by the same reference numerals in detail. The detailed explanation is omitted.
- the outer peripheral side seal surface processing machine 1 ⁇ / b> B constituting the seal surface processing machine 1 includes a pedestal part 10, a main body part 20, a first support part (first moving part) 30, and a spindle ( (Rotating part) 40, second support part (second moving part) 50, and tool holder 60.
- the pedestal 10 is fixed to the valve main body 110 of the valve device 101.
- the pedestal portion 10 has a non-perforated disk shape and is placed on the mounting surface 114 of the valve body 110 via the mounting portion 10a so that the outer peripheral side of the mounting surface 114 of the valve body 110 is exposed.
- the main body portion 20 is provided at the center portion on the pedestal portion 10 and is movable in the X-axis direction and the Y-axis direction that are horizontal with respect to the pedestal portion 10.
- the main shaft 40 is a ring gear rotatably supported on the outer peripheral portion of the main body portion 20, and can be driven and rotated around a vertical C axis by a drive motor 41 provided on the main body portion 20.
- the first support portion 30 is provided on the outer peripheral portion of the main shaft 40 and is movable in the Z-axis direction perpendicular to the main shaft 40 by, for example, a ball screw device or a cylinder device.
- the second support portion 50 is provided at the lower end portion of the first support portion 30 and is movable in the horizontal X-axis direction and the Y-axis direction with respect to the first support portion 30.
- the tool holder 60 is provided on the second support portion 50, holds the cutting tool T, and is movable in a direction intersecting the vertical direction by the second support portion 50.
- the outer peripheral side seal surface processing machine 1B also includes a first adjustment device that adjusts the position of the main body 20 in the horizontal X-axis direction and the Y-axis direction as the first direction with respect to the pedestal portion 10; , The second adjusting device for adjusting the position of the main body 20 in the horizontal Z-axis direction as the second direction with respect to the pedestal 10, and the center position of the main shaft 40 by contacting the valve seat 118 in the valve main body 110.
- a centering jig is provided.
- the tool holder 60 is attached to the outer peripheral portion of the main shaft 40 via the first support portion 30 and the second support portion 50. Further, in the outer peripheral side seal surface processing machine 1 ⁇ / b> B, a counterweight G is mounted on the outer peripheral portion of the main shaft 40. The tool holder 60 and the counterweight G are disposed at positions facing each other by 180 degrees in the circumferential direction of the main shaft 40, and their weights and mounting positions are set so as to achieve the same mass balance.
- the inner peripheral side of the mounting surface 114 of the valve device 101 is repaired by the inner peripheral side seal surface processing machine 1A.
- the valve driving unit 120 assembled to the valve main body 110 is removed, and as shown in FIG. 1A is assembled to the valve body 110. That is, the stud bolt 116 installed in the valve main body 110 is inserted into the bolt through hole 14 of the pedestal portion 10, and the nut 15 is screwed into the stud bolt 116, whereby the pedestal in the inner peripheral side seal surface processing machine 1 ⁇ / b> A.
- the part 10 is fixed to the valve body 110 in the valve device 101.
- the inner peripheral side seal surface processing machine 1A is installed in consideration of interference with other devices and workability.
- the plurality of bolt through holes 14 provided in the pedestal portion 10 are provided at the same pitch and the same number as the stud bolts 116, so that the inner peripheral side seal surface processing machine 1A (the pedestal portion 10) with respect to the valve device 101 is provided.
- Mounting direction (direction in which the rectangular portion 12 is located) can be set in various directions, and the inner peripheral side seal surface processing machine 1A can be installed in consideration of interference with other equipment and workability. it can.
- the position (X-axis direction position and Y-axis direction position) and inclination of the main body 20 in the horizontal plane with respect to the pedestal 10 are adjusted. That is, as shown in FIGS. 1 to 4, in the second adjusting device 80, the X-axis position and the Y-axis position of the main body 20 with respect to the pedestal portion 10 and the Y-axis position adjusting bolt 19 and the Y-axis position adjusting bolt 19. Adjust the axial position. Further, in the first adjustment device 70, the main body 20 is lifted by the push-up bolt 26 and a height adjustment liner (not shown) is inserted, whereby the inclination of the main body 20 with respect to the pedestal 10 (the inclination of the main shaft 40 with respect to the vertical direction). ).
- the mounting position of the inner peripheral side seal surface processing machine 1 ⁇ / b> A with respect to the valve device 101 is confirmed using a centering jig 90. That is, the centering jig 90 is mounted on the mounting base 51 of the second support portion 50 and the main shaft 40 is rotated, so that the contact position of the main body portion 20 with respect to the valve main body portion 110 is adjusted by the contacts 91, 92, 93. Detect deviation. Then, the adjustment amounts of the X-axis direction position, the Y-axis direction position, and the inclination of the main body 20 are adjusted so that this positional deviation is eliminated, that is, the central position of the valve main body 110 and the central position of the main shaft 40 coincide. adjust.
- the main body 20 is fixed to the pedestal 10.
- the liner 22 is installed in the vicinity of the flange 21 in the main body portion 20, and the main body portion 20 is fixed to the pedestal portion 10 by pressing the flange 21 and the liner 22 with the pressing fitting 23 and the bolt 24. To do.
- the spindle 40 is rotationally driven in a state where the cutting tool T is held by the tool holder 60, and the first support portion 30 is moved in the Z-axis direction (or the spindle 40 is in the W-axis direction).
- the inner peripheral side range 114a of the mounting surface 114 is cut.
- shaft 40) and the tool holder 60 are moved to such an extent that the erosion part of the attachment surface 114 (114a) can be removed. In this way, the repair processing of the inner peripheral side range 114a of the mounting surface 114 is completed by the inner peripheral side seal surface processing machine 1A.
- the inner peripheral side seal surface processing machine 1A is removed from the valve device 101, the outer peripheral side seal surface processing machine 1B is attached, and the outer peripheral side of the mounting surface 114 of the valve device 101 is repaired. That is, as shown in FIG. 6, the stud bolt 116 installed in the valve body 110 is inserted into the bolt through hole 14 of the pedestal portion 10 and the nut 15 is screwed into the stud bolt 116 as described above.
- the base portion 10 in the inner peripheral side seal surface processing machine 1 ⁇ / b> A is fixed to the valve main body portion 110 in the valve device 101.
- the position (X-axis direction position and Y-axis direction position) and inclination of the main body 20 with respect to the pedestal 10 are adjusted by the first adjustment device 70 and the second adjustment device 80. At this time, a centering jig 90 may be used. Then, the main body 20 is fixed to the pedestal 10.
- the main shaft 40 is rotationally driven to move the first support portion 30 in the Z-axis direction (or the main shaft 40 is in the W-axis direction), and the tool holder 60 is moved in the Xt-axis direction. Is moved to the outer peripheral side range 114b of the mounting surface 114.
- shaft 40) and the tool holder 60 are moved to such an extent that the erosion part of the attachment surface 114 (114b) can be removed. In this manner, the repair processing of the outer peripheral side range 114b of the mounting surface 114 is completed by the outer peripheral side seal surface processing machine 1B.
- the pedestal portion 10 attached to the valve main body portion 110, the main body portion 20 supported movably with respect to the pedestal portion 10, and the attachment surface 114 are provided.
- the first support portion 30 is movable along the Z-axis direction in which the valve body 124 moves, and the tool holder 60 with respect to the main body portion 20 in the X-axis direction and the Y-axis direction intersecting the movement direction of the valve body 124.
- a second support portion 50 that can move along, a first adjustment device 70 that adjusts the position of the main body portion 20 in the Z-axis direction relative to the pedestal portion 10, and the main body portion 20 relative to the pedestal portion 10 in the X-axis direction and Second adjustment device 80 for adjusting the position in the Y-axis direction A is provided.
- the seal surface processing machine 1 is assembled to the valve main body 110 of the valve device 101 instead of the valve drive unit 120. And the repair process of the attachment surface 114 can be performed in the state with which the valve apparatus 101 was mounted
- the position is adjusted along the Z-axis direction by the first adjusting device 70, and the position is adjusted in the X-axis direction and the Y-axis direction by the second adjusting device 80.
- the position and inclination of the seal surface processing machine 1 can be adjusted according to the mounting surface 114, and the processing accuracy of the repairing operation of the mounting surface 114 of the packing sheet 130 in the valve body 110 can be improved. .
- An outer peripheral side seal surface processing machine 1B for cutting the outer peripheral side range 114b of the mounting surface 114 of the portion 110 is provided. Accordingly, the entire mounting surface 114 of the packing sheet 130 can be repaired by the inner peripheral side seal surface processing machine 1A and the outer peripheral side seal surface processing machine 1B.
- the main shaft 40 is supported by the first support portion 30 so as to be movable in the Z-axis direction with respect to the main body portion 20, and the tool holder 60 is supported by the second support portion 50 with respect to the main shaft 40.
- the inner peripheral side of the mounting surface 114 can be cut by the cutting tool T supported by the tool holder 60 so as to be movable in the X-axis direction and the Y-axis direction. Therefore, the workability of the repair work on the inner peripheral side of the mounting surface 114 of the packing sheet 130 in the valve main body 110 can be improved, and the processing accuracy of the repair work can be improved.
- the main shaft 40 is rotatably supported with respect to the main body 20, and the tool holder 60 is supported by the first support portion 30 so as to be movable in the Z-axis direction with respect to the main shaft 40.
- the outer peripheral side of the circular portion 11 can be cut by the cutting tool T supported by the second support portion 50 so as to be movable in the X-axis direction and the Y-axis direction and supported by the tool holder 60. Therefore, the workability of the repair work on the outer peripheral side of the mounting surface 114 of the packing sheet 130 in the valve main body 110 can be improved, and the processing accuracy of the repair work can be improved.
- the tool holder 60 is mounted on the outer peripheral portion of the main shaft 40, and the counterweight G is mounted on the outer peripheral portion of the main shaft 40 at a position facing the tool holder 60 in the circumferential direction by 180 degrees.
- the counterweight G is mounted on the outer peripheral portion of the main shaft 40 at a position facing the tool holder 60 in the circumferential direction by 180 degrees.
- a centering jig 90 that contacts the valve seat 118 in the valve main body 110 and defines the center position of the main shaft 40 is detachably provided on the main shaft 40. Therefore, the center position of the main shaft 40 in the seal surface processing machine 1 can be defined by the centering jig 90 so that the center of the valve main body 110 and the center of the tool holder 60 can coincide with each other, and the processing accuracy of the mounting surface 114 is improved. can do.
- the pedestal portion 10 is disposed with a predetermined gap from the mounting surface 114 in the valve main body 110. Therefore, the mounting surface 114 is exposed to the outside, and the mounting surface 114 can be easily cut by the cutting tool T.
- the mounting surface 114 can be repaired while the valve device 101 is mounted on the turbine or the like. This eliminates the need for removing the valve device 101 from the turbine, transporting it to a repair factory, or reassembling it to the turbine, and improves the workability of repairing the mounting surface 114 of the packing sheet 130 in the valve body 110. Can be improved. Further, when the mounting surface 114 is repaired by the seal surface processing machine 1, the position is adjusted along the Z-axis direction by the first adjusting device 70, and the position is adjusted in the X-axis direction and the Y-axis direction by the second adjusting device 80. The position and inclination of the seal surface processing machine 1 can be adjusted according to the mounting surface 114, and the processing accuracy of the repairing operation of the mounting surface 114 of the packing sheet 130 in the valve body 110 can be improved. .
- the step of cutting the inner peripheral side of the mounting surface 114 with the cutting tool T supported by the tool holder 60 and the cutting surface T of the mounting surface 114 supported by the tool holder 60 are performed. Cutting the outer peripheral side. Therefore, the entire surface of the mounting surface 114 can be appropriately cut, and the processing accuracy of the repair work of the mounting surface 114 of the packing sheet 130 in the valve main body 110 can be improved.
- FIG. 8 is a longitudinal sectional view showing a seal surface processing machine according to the second embodiment.
- symbol is attached
- the inner peripheral side seal surface processing machine 1 ⁇ / b> C constituting the seal surface processing machine 1 includes a pedestal part 10, a main body part 20, and a first support part (first movement). Part) 30, a main shaft (rotating part) 40, a second support part (second moving part) 50, and a tool holder 60.
- the pedestal 10 is fixed to the valve main body 110 of the valve device 101.
- the pedestal 10 is arranged with a predetermined gap from the mounting surface 114 of the valve body 110 so that the inner peripheral side of the mounting surface 114 of the valve body 110 is exposed. That is, the support piece 211 that hangs down from the lower surface is fixed to the two opposite sides of the pedestal portion 10.
- Each of the support pieces 211 is fixed to the lower surface of the pedestal portion 10 by welding or bolt fastening, but may be integrally formed.
- the plurality of fixing bolts 212 are screwed into the respective support pieces 211 from the outside of the pedestal portion 10, and their tips are in contact with the outer surface along the vertical direction of the valve main body 110. Therefore, the pedestal part 10 is positioned and fixed to the valve body part 110 by a plurality of fixing bolts 212, and is arranged with a predetermined gap upward from the mounting surface 114.
- the main body portion 20 is provided on the pedestal portion 10 and is movable in the X-axis direction and the Y-axis direction that are horizontal with respect to the pedestal portion 10.
- the first support portion 30 extends from the main body portion 20 to one horizontal side, and can be moved in the vertical Z-axis direction with respect to the main body portion 20 by the ball screw device 31.
- the main shaft 40 is provided on the distal end side of the first support portion 30 and is supported so as to be movable in the vertical W-axis direction with respect to the first support portion 30.
- the main shaft 40 can be driven to rotate around a vertical C axis by a drive motor 41.
- the second support portion 50 is provided at the tip end portion of the main shaft 40, and the mounting base 51 is movable in the X-axis direction and the Y-axis direction that are horizontal with respect to the main shaft 40.
- the tool holder 60 is provided at the lower end portion of the mounting base 51, holds the cutting tool T, and is movable by the second support portion 50 in the Xt axis direction intersecting the vertical direction.
- the inner peripheral side seal surface processing machine 1C includes a first adjustment device 70 that adjusts the position of the main body 20 with respect to the pedestal 10 in the horizontal X-axis direction and the Y-axis direction as the first direction, and a pedestal. And a second adjustment device 80 that adjusts the position of the main body 20 in the horizontal Z-axis direction as the second direction with respect to the part 10.
- the pedestal part 10 the main body part 20, the tool holder 60, the main shaft 40, the first support part 30, the second support part 50, A first adjustment device 70 and a second adjustment device 80 are provided.
- the workability of the repair work of the mounting surface 114 of the packing sheet 130 in the valve main body 110 can be improved, and the processing accuracy of the repair work of the mounting surface 114 of the packing sheet 130 in the valve main body 110 can be improved. Can do.
- the pedestal portion 10 is arranged with a predetermined gap from the mounting surface 114 in the valve main body 110. Therefore, the pedestal 10 does not come into contact with the mounting surface 114 and the mounting surface 114 is exposed to the outside, and the inner peripheral side and the outer peripheral side of the mounting surface 114 are cut by one seal surface processing machine 1.
- the mounting surface 114 can be easily cut in a short time by the cutting tool T.
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Abstract
Description
シール面加工機により補修加工を行う弁装置について説明する。図7は、弁装置を表す断面図である。
第1実施形態のシール面加工機は、弁装置101にて、弁本体部110におけるパッキンシート130の取付面(上面)114を切削加工するものである。そして、このシール面加工機は、弁本体部110の取付面(上面)114における内周側を切削加工する内周側用シール面加工機と外周側を切削加工する外周側用シール面加工機とから構成されている。
図8は、第2実施形態のシール面加工機を表す縦断面図である。なお、上述した実施形態と同様の機能を有する部材には、同一の符号を付して詳細な説明は省略する。
1A,1C 内周側用シール面加工機
1B 外周側用シール面加工機
10 台座部
10a 取付部
15 ナット
16 突出部
17 突出部
18 X軸方向位置調整ボルト
19 Y軸方向位置調整ボルト
20 本体部
21 フランジ
22 ライナ
23 押し付け金具
24 ボルト
25 ねじ穴
26 押し上げボルト
30 第一支持部(第一移動部)
31 ボールねじ装置
40 主軸(回転部)
41 駆動モータ
50 第二支持部(第二移動部)
51 取付台
60 工具ホルダ
70 第一調整装置
80 第二調整装置
90 芯出治具
91,92,93 接触子
101 弁装置
110 弁本体部
110a 流路
111 第一開口部
112 第二開口部
113 第三開口部
114 上面(取付面)
115 ボルト穴
116 スタッドボルト
117 ナット
118 弁座
120 弁駆動部
121 取付板
122 駆動部本体
123 弁棒
124 弁体
125 弁棒挿通穴
126 ボルト挿通穴
130 パッキンシート(シール部材)
211 支持片
212 固定ボルト
G カウンタウエイト
T 切削工具
Claims (7)
- 流体の流路が設けられる弁本体部と、
前記弁本体部の開口部から前記流路に挿入される弁体により前記流路を開閉する弁駆動部と、
前記弁本体部にシール部材を介して固定されることで前記開口部を閉止する取付板と、
を備える弁装置において、
前記弁本体部における前記シール部材の取付面を切削加工するシール面加工機であって、
前記弁本体部に取付けられる台座部と、
前記台座部に対して移動自在に支持される本体部と、
前記取付面を加工する工具を保持する工具ホルダと、
前記本体部に対して前記工具ホルダを前記弁体の移動方向に平行な軸回りに回転する回転部と、
前記本体部に対して前記工具ホルダを前記弁体が移動する第一の方向に沿って移動可能な第一移動部と、
前記本体部に対して前記工具ホルダを前記弁体の移動方向に交差する第二の方向に沿って移動可能な第二移動部と、
前記台座部に対して前記本体部を前記第一の方向に位置調整する第一調整装置と、
前記台座部に対して前記本体部を前記第二の方向に位置調整する第二調整装置と、
を備え、
前記台座部は、前記弁本体部における前記取付面から所定隙間を空けて配置される、
ことを特徴とするシール面加工機。 - 前記本体部に対して前記回転部が前記第一移動部により前記第一の方向に移動自在に支持され、前記回転部に対して前記工具ホルダが前記第二移動部により前記第二の方向に移動自在に支持され、前記工具ホルダに支持された前記工具により前記取付面の内周側を切削可能であることを特徴とする請求項1に記載のシール面加工機。
- 前記本体部に対して前記回転部が回転自在に支持され、前記回転部に対して前記工具ホルダが前記第一移動部により前記第一の方向に移動自在に支持されると共に、前記第二移動部により前記第二の方向に移動自在に支持され、前記工具ホルダに支持された前記工具により前記取付面の外周側を切削可能であることを特徴とする請求項1に記載のシール面加工機。
- 前記回転部の外周部に前記工具ホルダが装着されると共に、前記回転部の外周部における前記工具ホルダと周方向に180度対向する位置にカウンタウエイトが装着されることを特徴とする請求項3に記載のシール面加工機。
- 前記弁本体部における弁座に接触して前記回転部の中心位置を規定する芯出治具が前記回転部に着脱自在に設けられることを特徴とする請求項1から請求項4のいずれか一項に記載のシール面加工機。
- 流体の流路が設けられる弁本体部と、
前記弁本体部の開口部から前記流路に挿入される弁体により前記流路を開閉する弁駆動部と、
前記弁本体部にシール部材を介して固定されることで前記開口部を閉止する取付板と、
を備える弁装置において、
前記弁本体部における前記シール部材の取付面を切削加工するシール面加工方法であって、
前記弁本体部から前記弁駆動部を取り外す工程と、
前記弁本体部に請求項1から請求項5のいずれか一項に記載のシール面加工機を取り付ける工程と、
前記第一調整装置及び前記第二調整装置により前記本体部の位置調整を行う工程と、
前記工具ホルダを前記弁体の移動方向に平行な軸回りに回転する工程と、
前記工具ホルダを前記第二の方向に沿って移動する工程と、
を有することを特徴とするシール面加工方法。 - 前記工具ホルダに支持された切削工具により前記取付面の内周側を切削する工程と、
前記工具ホルダに支持された前記切削工具により前記取付面の外周側を切削する工程と、
を有することを特徴とする請求項6に記載のシール面加工方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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ES17763039T ES2795057T3 (es) | 2016-03-08 | 2017-03-01 | Máquina y método de procesamiento de superficies herméticas |
US16/082,394 US20190084057A1 (en) | 2016-03-08 | 2017-03-01 | Sealing surface processing machine and method |
EP17763039.9A EP3427892B1 (en) | 2016-03-08 | 2017-03-01 | Sealing surface processing machine and method |
CN201780015372.3A CN108698177B (zh) | 2016-03-08 | 2017-03-01 | 密封面加工机及方法 |
KR1020187025576A KR102128709B1 (ko) | 2016-03-08 | 2017-03-01 | 시일면 가공기 및 방법 |
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JP2016-044862 | 2016-03-08 | ||
JP2016044862A JP6000485B1 (ja) | 2016-03-08 | 2016-03-08 | シール面加工機及び方法 |
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WO2017154699A1 true WO2017154699A1 (ja) | 2017-09-14 |
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PCT/JP2017/008131 WO2017154699A1 (ja) | 2016-03-08 | 2017-03-01 | シール面加工機及び方法 |
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US (1) | US20190084057A1 (ja) |
EP (1) | EP3427892B1 (ja) |
JP (1) | JP6000485B1 (ja) |
KR (1) | KR102128709B1 (ja) |
CN (1) | CN108698177B (ja) |
ES (1) | ES2795057T3 (ja) |
WO (1) | WO2017154699A1 (ja) |
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CN117564303A (zh) * | 2024-01-17 | 2024-02-20 | 山西锋特行机械制造有限公司 | 一种液压电磁阀加工用的车削装置及车削方法 |
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CN109986280A (zh) * | 2017-12-29 | 2019-07-09 | 核动力运行研究所 | 一种适用于主泵法兰密封面在线修复的设备 |
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FR3092779B1 (fr) * | 2019-02-19 | 2021-02-26 | Safran Aircraft Engines | Outillage amélioré pour le revêtement de léchettes |
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KR102144584B1 (ko) * | 2019-10-16 | 2020-08-13 | 주식회사 신한정공 | 수차의 실링 교체방법 |
CN114714042B (zh) * | 2022-04-08 | 2023-12-19 | 邢台金隅冀东水泥有限公司 | 入窑提升机头轮滚筒包胶磨损修复方法 |
CN116652259B (zh) * | 2023-07-27 | 2023-09-29 | 山西兴旺达锻压有限公司 | 一种大直径风电法兰螺栓孔定位标记线加工装置 |
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CN117564303A (zh) * | 2024-01-17 | 2024-02-20 | 山西锋特行机械制造有限公司 | 一种液压电磁阀加工用的车削装置及车削方法 |
CN117564303B (zh) * | 2024-01-17 | 2024-03-15 | 山西锋特行机械制造有限公司 | 一种液压电磁阀加工用的车削装置及车削方法 |
Also Published As
Publication number | Publication date |
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JP6000485B1 (ja) | 2016-09-28 |
EP3427892B1 (en) | 2020-04-22 |
KR102128709B1 (ko) | 2020-07-01 |
KR20180113549A (ko) | 2018-10-16 |
US20190084057A1 (en) | 2019-03-21 |
CN108698177A (zh) | 2018-10-23 |
CN108698177B (zh) | 2021-03-26 |
JP2017159392A (ja) | 2017-09-14 |
ES2795057T3 (es) | 2020-11-20 |
EP3427892A4 (en) | 2019-03-06 |
EP3427892A1 (en) | 2019-01-16 |
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