CN110500448A - A kind of oil circuit pipe device and its processing method - Google Patents
A kind of oil circuit pipe device and its processing method Download PDFInfo
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- CN110500448A CN110500448A CN201910786223.8A CN201910786223A CN110500448A CN 110500448 A CN110500448 A CN 110500448A CN 201910786223 A CN201910786223 A CN 201910786223A CN 110500448 A CN110500448 A CN 110500448A
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- oil
- way
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- pipe
- way pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
Abstract
The invention discloses a kind of processing methods of oil circuit pipe device, belong to fluid device technical field.A kind of processing method of oil circuit pipe device, including oil-way pipe, it is characterized in that, the oil-way pipe includes single order oil-way pipe, second order oil-way pipe, three rank oil-way pipes, quadravalence oil-way pipe, five rank oil-way pipes, six rank oil-way pipes and seven rank oil-way pipes, is opened up on the single order oil-way pipe, second order oil-way pipe, three rank oil-way pipes, quadravalence oil-way pipe, five rank oil-way pipes, six rank oil-way pipes and seven rank oil-way pipes fluted；The present invention to shell by advance detecting a flaw to pipeline using thermal technology's shear wave shooting method, it can effectively reduce later period quality cost, pipeline is subjected to segmental machining, come shape internal diameter needed for guaranteeing oil line pipe, then adds sealing ring by opening up groove, to guarantee the leakproofness of fluids within pipes, finally, each rank of oil-way pipe is welded using advanced submerged welding process, and hydraulic pressure test is carried out, further ensure the cementability and high voltage ability of pipeline.
Description
Technical field
The present invention relates to fluid device technical field more particularly to a kind of oil circuit pipe devices and its processing method.
Background technique
Pipeline refers to be used to convey gas, liquid or with solid with what pipe, pipe connector and valve etc. were connected into
The device of the fluid of grain；In general, fluid flows to low after the pressurization such as air blower, compressor, pump and boiler from the high pressure of pipeline
At pressure, the pressure or gravity conveying of fluid itself can also be used；Having many uses for pipeline is general, is used primarily in water supply, draining, confession
Heat gives gas, in long distance delivery oil and natural gas, agricultural irrigation, hydraulic engineering and various commercial plants.
With the development of science and technology, the type of pipeline is also varied, in some special dimensions, such as inflammable and explosive oil product,
Inner cavity needed for needing some special pipeline compositions, the processing of usual special inner cavity are needed to be processed using separate type, finally will
It bonds together, but the processing of existing pipeline is chiefly used in the pipeline production of same diameter, and the production of variable diameter inner tube is still lacked
Weary practicality, and the Separated type pipe processed on a small quantity showed in terms of cementability, leakproofness and voltage endurance capability it is poor；Cause
This, needs one kind that can have enough reliabilities and voltage endurance capability after pipe bonding.
Summary of the invention
The purpose of the present invention is to solve deficiency in the prior art, and a kind of oil circuit pipe device and its processing proposed
Method.
To achieve the goals above, present invention employs following technical solutions:
A kind of oil circuit pipe device, including oil-way pipe, the oil-way pipe include single order oil-way pipe, second order oil-way pipe, three ranks oil
Lu Guan, quadravalence oil-way pipe, five rank oil-way pipes, six rank oil-way pipes and seven rank oil-way pipes, the single order oil-way pipe, second order oil-way pipe,
It is opened up on three rank oil-way pipes, quadravalence oil-way pipe, five rank oil-way pipes, six rank oil-way pipes and seven rank oil-way pipes fluted.
A kind of processing method of oil circuit pipe device, procedure of processing are as follows:
S1: will be put into X-ray room for machining blanks materials in the tube first, carry out internal flaw detection to blank materials in the tube using X-ray, really
Flawless inside keeping road；
S2: after flaw detection is qualified, one end of cylindrical, massive blank materials in the tube being fixed on the scroll chuck of lathe, will be another
End is withstood cylindrical center with thimble and is fixed, and billmpse tool will be installed on lathe；
S3: starting lathe carries out turning to cylindrical, massive blank materials in the tube；
S4: after the completion of turning, stop lathe；
S5: the billmpse tool of lathe is changed to the disconnected lathe tool of vehicle, without using thimble；
S6: the thickness of starting lathe, the disconnected materials in the tube of vehicle is respectively single order oil-way pipe, second order oil-way pipe, three rank oil-way pipes, quadravalence
Oil-way pipe, five rank oil-way pipes, six rank oil-way pipes and seven rank oil-way pipes thickness；
S7: after the completion of blanking, stopping lathe, and the vehicle lathe tool that breaks is changed to internal lathe-tool；
S8: single order oil-way pipe, the second order oil-way pipe, three rank oil-way pipes, quadravalence oil-way pipe, five rank oil-way pipes, six that vehicle is broken
Rank oil-way pipe and seven rank oil-way pipes are heat-treated, and are stuck on the scroll chuck of lathe after the completion of heat treatment, to oil-way pipe
Carry out turning inner hole；
S9: by the oil circuit tube body after the completion of turning inner hole be placed on one side it is spare, stop lathe, internal lathe-tool is changed to
Recessing lathe tool；
S10: by the single order oil-way pipe of the good inner hole of vehicle, second order oil-way pipe, three rank oil-way pipes, quadravalence oil-way pipe, five rank oil circuits
Pipe, six rank oil-way pipes and seven rank oil-way pipes are stuck on the scroll chuck of lathe, carry out vehicle groove using recessing lathe tool；
S11: after the completion of recessing, starting pre-buried equipment, sealing ring will be added in single order oil-way pipe and second order oil-way pipe groove
Afterwards, alignment carries out the welding of inside and outside circle seam, and successively by three rank oil-way pipes, quadravalence oil-way pipe, five rank oil-way pipes, six rank oil circuits
Pipe and seven rank oil-way pipes are welded, and are finally assembling to oil-way pipe entirety；
S12: X-ray detection, ultrasound examination and hydraulic pressure test are successively carried out to soldered oil-way pipe；
S13: after qualification is completed in test, preservative treatment is carried out to oil-way pipe inner and outer wall.
Preferably, the X-ray in the S1 and S12 and ultrasound examination method of detection are all made of transverse wave reflection method and are popping one's head in
It tests in the state of steel pipe relative movement.
Preferably, described S2, S5, S7 and S9 use hard alloy rotatable lathe tool.
Preferably, the single order oil-way pipe in the S2, second order oil-way pipe, three rank oil-way pipes, quadravalence oil-way pipe, five ranks oil
Surface roughness Ra after Lu Guan, six rank oil-way pipes and seven rank oil-way pipe turnings is not more than 6.5.
Preferably, the single order oil-way pipe in the S6, second order oil-way pipe, three rank oil-way pipes, quadravalence oil-way pipe, five rank oil circuits
Surface roughness Ra after pipe, six rank oil-way pipes and seven rank oil-way pipe turning inner holes is not more than 3.2.
Preferably, the single order oil-way pipe in the S4, second order oil-way pipe, three rank oil-way pipes, quadravalence oil-way pipe, five rank oil circuits
Surface roughness Ra after pipe, six rank oil-way pipes and seven rank oil-way pipe turning ends is not more than 3.2.
Preferably, the single order oil-way pipe in the S8, second order oil-way pipe, three rank oil-way pipes, quadravalence oil-way pipe, five rank oil circuits
The surface roughness Ra of the groove of turning is not more than 3.2 on pipe, six rank oil-way pipes and seven rank oil-way pipes.
Preferably, the material of sealing ring is NBR nitrile rubber in the S11.
Preferably, for the pre-buried equipment using her Sa of import submerged arc welding machine, the adapted weight ratio of welding wire and solder flux is welding wire:
Solder flux=1.1~1.6.
Compared with prior art, the present invention provides a kind of processing method of oil circuit pipe device, have it is following the utility model has the advantages that
1, the oil circuit pipe device and its processing method are prevented by carrying out internal flaw detection to shell before processing
There are quality problems in the process in later period skilled worker, consumes financial resources, during flaw detection, using the artificial shear wave shooting method that carries out to blank
Pipe flaw detection, guarantees tested pipeline non-blind area, carries out turning polishing, here, stage property used to blank pipeline after the completion of flaw detection
It is all made of hard alloy rotatable lathe tool, to shorten tool changing and whet a knife the time, working efficiency is promoted, reduces process costs, make
The value of the surface roughness Ra of oil pipe is not more than 6.5, consequently facilitating meeting required surface after being completed in practical applications
Roughness value, prevents from doing over again, be in charge of oil pipe, needs first to put down an end face vehicle before this, guarantees surface roughness Ra
Value is not more than 3.2, and the accuracy value of this range can prevent fluid leakage in the leakproofness of the laggard guarantee oil pipe of the disconnected assembling of vehicle,
In single order oil-way pipe, second order oil-way pipe, three rank oil-way pipes, quadravalence oil-way pipe, five rank oil-way pipes, six rank oil-way pipes and seven rank oil circuits
After pipe vehicle is disconnected, further polishing need to be done to each oil pipe end face, to guarantee the compactness of its cooperation, later to single order oil circuit
Pipe, second order oil-way pipe, three rank oil-way pipes, quadravalence oil-way pipe, five rank oil-way pipes, six rank oil-way pipes and seven rank oil-way pipes carry out interior
Hole, to complete the important component of special-shaped oil, the inner bore surface roughness value Ra of turning is not more than 3.2.
After inner hole turning, lathe tool is replaced, respectively to second order oil-way pipe, three rank oil-way pipes, quadravalence oil-way pipe, five ranks oil
Two facing grooves of road pipe and six rank oil-way pipes, the end face matched to single order oil-way pipe and second order oil-way pipe and seven ranks
The end face that oil-way pipe and six rank oil-way pipes match carries out vehicle groove, and the value of the surface roughness Ra of the groove of all oil-way pipes is equal
No more than 3.2, in order to enhance its sealing performance, after recessing, by inside grooves when inside increases sealing ring
Sealing ring is added, submerged-arc welding is carried out to each rank oil-way pipe using pre-buried welding machine, and the adapted weight ratio of welding wire and solder flux is weldering
Silk: solder flux=1.4, to guarantee that soldered pipeline has enough voltage endurance capabilities in later period hydraulic pressure test.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of oil circuit pipe device proposed by the present invention.
In figure: 1, single order oil-way pipe；2, second order oil-way pipe；3, three rank oil-way pipe；4, quadravalence oil-way pipe；5, five rank oil circuit
Pipe；6, six rank oil-way pipe；7, seven rank oil-way pipe；101, groove.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment:
Referring to Fig.1, a kind of oil circuit pipe device, including oil-way pipe, oil-way pipe include single order oil-way pipe (1), second order oil-way pipe
(2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five rank oil-way pipes (5), six rank oil-way pipe (6) He Qijie oil-way pipes (7), one
Rank oil-way pipe (1), second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five rank oil-way pipes (5), six rank oil circuits
Fluted (101) are opened up on pipe (6) He Qijie oil-way pipe (7).
A kind of processing method of oil circuit pipe device, procedure of processing are as follows:
S1: will be put into X-ray room for machining blanks materials in the tube first, carry out internal flaw detection to blank materials in the tube using X-ray, really
Flawless inside keeping road；
S2: after flaw detection is qualified, one end of cylindrical, massive blank materials in the tube being fixed on the scroll chuck of lathe, will be another
End is withstood cylindrical center with thimble and is fixed, and billmpse tool will be installed on lathe；
S3: starting lathe carries out turning to cylindrical, massive blank materials in the tube；
S4: after the completion of turning, stop lathe；
S5: the billmpse tool of lathe is changed to the disconnected lathe tool of vehicle, without using thimble；
S6: the thickness of starting lathe, the disconnected materials in the tube of vehicle is respectively single order oil-way pipe (1), second order oil-way pipe (2), three rank oil circuits
Manage (3), quadravalence oil-way pipe (4), five rank oil-way pipes (5), six rank oil-way pipe (6) He Qijie oil-way pipes (7) thickness；
S7: after the completion of blanking, stopping lathe, and the vehicle lathe tool that breaks is changed to internal lathe-tool；
S8: single order oil-way pipe (1), the second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five that vehicle is broken
Rank oil-way pipe (5), six rank oil-way pipe (6) He Qijie oil-way pipes (7) are heat-treated, and lathe is stuck in after the completion of heat treatment
On scroll chuck, turning inner hole is carried out to oil-way pipe；
S9: by the oil circuit tube body after the completion of turning inner hole be placed on one side it is spare, stop lathe, internal lathe-tool is changed to
Recessing lathe tool；
S10: by the single order oil-way pipe (1) of the good inner hole of vehicle, second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe
(4), five rank oil-way pipes (5), six rank oil-way pipe (6) He Qijie oil-way pipes (7) are stuck on the scroll chuck of lathe, use vehicle
Tank car knife carries out vehicle groove (101)；
S11: after the completion of recessing, starting pre-buried equipment, will be in single order oil-way pipe (1) and second order oil-way pipe (2) groove (101)
After sealing ring is added, alignment carries out the welding of inside and outside circle seam, and successively by three rank oil-way pipes (3), quadravalence oil-way pipe (4), five
Rank oil-way pipe (5), six rank oil-way pipe (6) He Qijie oil-way pipes (7) are welded, and are finally assembling to oil-way pipe entirety；
S12: X-ray detection, ultrasound examination and hydraulic pressure test are successively carried out to soldered oil-way pipe；
S13: after qualification is completed in test, preservative treatment is carried out to oil-way pipe inner and outer wall.
It is opposite with steel pipe in probe that X-ray and ultrasound examination method of detection in S1 and S12 are all made of transverse wave reflection method
It tests in the state of movement.
S2, S5, S7 and S9 use hard alloy rotatable lathe tool.
Single order oil-way pipe (1), second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five ranks in S2
Surface roughness Ra after oil-way pipe (5), six rank oil-way pipe (6) He Qijie oil-way pipe (7) turnings is not more than 6.5.
Single order oil-way pipe (1), second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five ranks oil in S6
Surface roughness Ra after road pipe (5), six rank oil-way pipe (6) He Qijie oil-way pipe (7) turning inner holes is not more than 3.2.
Single order oil-way pipe (1), second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five ranks oil in S4
Surface roughness Ra after road pipe (5), six rank oil-way pipe (6) He Qijie oil-way pipe (7) turning ends is not more than 3.2.
Single order oil-way pipe (1), second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five ranks oil in S8
The surface roughness Ra of the groove (102) of turning is not more than 3.2 on road pipe (5), six rank oil-way pipe (6) He Qijie oil-way pipes (7).
The material of sealing ring is NBR nitrile rubber in S11.
For pre-buried equipment using her Sa of import submerged arc welding machine, the adapted weight ratio of welding wire and solder flux is welding wire: solder flux=1.1~
1.6。
Working principle: in the present invention, internal flaw detection is carried out to shell before processing, is prevented during later period skilled worker
There are quality problems, consume financial resources, during flaw detection, using the artificial shear wave shooting method that carries out to shell flaw detection, guarantees quilt
Test tube road non-blind area carries out turning polishing to blank pipeline after the completion of flaw detection, and here, stage property used is all made of hard alloy
Indexable turning tool promotes working efficiency, reduces process costs, make the rough surface of oil pipe to shorten tool changing and whet a knife the time
The value for spending Ra is not more than 6.5, consequently facilitating meeting required surface roughness value after being completed in practical applications, prevents from returning
Work is in charge of oil pipe, needs first to put down an end face vehicle before this, guarantees that the value of surface roughness Ra is not more than 3.2, this model
The accuracy value enclosed can prevent fluid leakage, in single order oil-way pipe 1, two in the leakproofness of the laggard guarantee oil pipe of the disconnected assembling of vehicle
The disconnected knot of rank oil-way pipe 2, three rank oil-way pipes 3, quadravalence oil-way pipe 4, five rank oil-way pipes 5, six rank oil-way pipes 6 and seven rank oil-way pipes, 7 vehicle
Shu Hou need to do further polishing to each oil pipe end face, to guarantee the compactness of its cooperation, later to single order oil-way pipe 1, second order oil
Road pipe 2, three rank oil-way pipes 3, quadravalence oil-way pipe 4, five rank oil-way pipes 5, six rank oil-way pipes 6 and seven rank oil-way pipes 7 carry out interior hole,
To complete the important component of special-shaped oil, the inner bore surface roughness value Ra of turning is not more than 3.2.
After inner hole turning, lathe tool is replaced, respectively to second order oil-way pipe 2, three rank oil-way pipes 3, quadravalence oil-way pipe 4, five
Two facing grooves 101 of rank oil-way pipe 5 and six rank oil-way pipes 6, match single order oil-way pipe 1 and second order oil-way pipe 2
End face and the end face that matches of seven rank oil-way pipes 7 and six rank oil-way pipes 6 carry out vehicle groove 101, the groove 101 of all oil-way pipes
Surface roughness Ra value no more than 3.2, in order to inside increase sealing ring when, enhance its sealing performance, In
After recessing, sealing ring will be added inside groove 101, submerged-arc welding is carried out to each rank oil-way pipe using pre-buried welding machine, and weld
The adapted weight ratio of silk and solder flux is welding wire: solder flux=1.4, to guarantee that soldered pipeline has foot in later period hydraulic pressure test
Enough voltage endurance capabilities.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of oil circuit pipe device, including oil-way pipe, which is characterized in that the oil-way pipe includes single order oil-way pipe (1), second order oil
Manage (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five rank oil-way pipes (5), six rank oil-way pipe (6) He Qijie oil-way pipes in road
(7), the single order oil-way pipe (1), second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five rank oil-way pipes
(5), fluted (101) are opened up on six rank oil-way pipe (6) He Qijie oil-way pipes (7).
2. a kind of processing method of oil circuit pipe device is applied to oil circuit pipe device described in claim 1, which is characterized in that add
Steps are as follows for work:
S1: will be put into X-ray room for machining blanks materials in the tube first, carry out internal flaw detection to blank materials in the tube using X-ray, it is ensured that pipe
Flawless inside road；
S2: after flaw detection is qualified, one end of cylindrical, massive blank materials in the tube is fixed on the scroll chuck of lathe, the other end is used
Thimble withstands cylindrical center and fixes, and billmpse tool will be installed on lathe；
S3: starting lathe carries out turning to cylindrical, massive blank materials in the tube；
S4: after the completion of turning, stop lathe；
S5: the billmpse tool of lathe is changed to the disconnected lathe tool of vehicle, without using thimble；
S6: the thickness of starting lathe, the disconnected materials in the tube of vehicle is respectively single order oil-way pipe (1), second order oil-way pipe (2), three rank oil-way pipes
(3), the thickness of quadravalence oil-way pipe (4), five rank oil-way pipes (5), six rank oil-way pipe (6) He Qijie oil-way pipes (7)；
S7: after the completion of blanking, stopping lathe, and the vehicle lathe tool that breaks is changed to internal lathe-tool；
S8: single order oil-way pipe (1), second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), the five ranks oil that vehicle is broken
Road pipe (5), six rank oil-way pipe (6) He Qijie oil-way pipes (7) are heat-treated, and the three-jaw of lathe is stuck in after the completion of heat treatment
On chuck, turning inner hole is carried out to oil-way pipe；
S9: by the oil circuit tube body after the completion of turning inner hole be placed on one side it is spare, stop lathe, internal lathe-tool is changed to recessing
Lathe tool；
S10: by the single order oil-way pipe (1) of the good inner hole of vehicle, second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4),
Five rank oil-way pipes (5), six rank oil-way pipe (6) He Qijie oil-way pipes (7) are stuck on the scroll chuck of lathe, use recessing vehicle
Knife carries out vehicle groove (101)；
S11: after the completion of recessing, starting pre-buried equipment, will be added in single order oil-way pipe (1) and second order oil-way pipe (2) groove (101)
After sealing ring, alignment carries out the welding of inside and outside circle seam, and successively by three rank oil-way pipes (3), quadravalence oil-way pipe (4), five ranks oil
Road pipe (5), six rank oil-way pipe (6) He Qijie oil-way pipes (7) are welded, and are finally assembling to oil-way pipe entirety；
S12: X-ray detection, ultrasound examination and hydraulic pressure test are successively carried out to soldered oil-way pipe；
S13: after qualification is completed in test, preservative treatment is carried out to oil-way pipe inner and outer wall.
3. a kind of processing method of oil circuit pipe device according to claim 2, which is characterized in that the X in the S1 and S12
Ray and ultrasound examination method of detection are all made of transverse wave reflection method and test in the state of probe and steel pipe relative movement.
4. a kind of processing method of oil circuit pipe device according to claim 2, which is characterized in that described S2, S5, S7 and S9
Use hard alloy rotatable lathe tool.
5. a kind of processing method of oil circuit pipe device according to claim 2, which is characterized in that the single order in the S2
Oil-way pipe (1), second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five rank oil-way pipes (5), six rank oil-way pipes
(6) surface roughness Ra after He Qijie oil-way pipe (7) turning is not more than 6.5.
6. a kind of processing method of oil circuit pipe device according to claim 2, which is characterized in that the single order oil in the S6
Manage (1), second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five rank oil-way pipes (5), six rank oil-way pipes (6) in road
It is not more than 3.2 with the surface roughness Ra after seven rank oil-way pipe (7) turning inner holes.
7. a kind of processing method of oil circuit pipe device according to claim 2, which is characterized in that the single order oil in the S4
Manage (1), second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five rank oil-way pipes (5), six rank oil-way pipes (6) in road
It is not more than 3.2 with the surface roughness Ra after seven rank oil-way pipe (7) turning ends.
8. a kind of processing method of oil circuit pipe device according to claim 2, which is characterized in that the single order oil in the S8
Manage (1), second order oil-way pipe (2), three rank oil-way pipes (3), quadravalence oil-way pipe (4), five rank oil-way pipes (5), six rank oil-way pipes (6) in road
It is not more than 3.2 with the surface roughness Ra of the groove (102) of turning on seven rank oil-way pipes (7).
9. a kind of processing method of oil circuit pipe device according to claim 2, which is characterized in that sealing ring in the S11
Material be NBR nitrile rubber.
10. a kind of processing method of oil circuit pipe device according to claim 2, which is characterized in that the pre-buried equipment is adopted
With her Sa of import submerged arc welding machine, the adapted weight ratio of welding wire and solder flux is welding wire: solder flux=1.1~1.6.
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| CN201910786223.8A CN110500448B (en) | 2019-08-24 | 2019-08-24 | Oil pipeline device and machining method thereof |
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| CN208793814U (en) * | 2018-08-24 | 2019-04-26 | 浙江长峰新材料有限公司 | A kind of nickel-based alloy pipe |
| CN208997509U (en) * | 2018-09-03 | 2019-06-18 | 西门子（中国）有限公司 | Flange connecting apparatus |
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