CN109226955A - Interior cavity mould and welding method for tube fraction weldering - Google Patents
Interior cavity mould and welding method for tube fraction weldering Download PDFInfo
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- CN109226955A CN109226955A CN201811111689.XA CN201811111689A CN109226955A CN 109226955 A CN109226955 A CN 109226955A CN 201811111689 A CN201811111689 A CN 201811111689A CN 109226955 A CN109226955 A CN 109226955A
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- steel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/123—Controlling or monitoring the welding process
Abstract
A kind of interior cavity mould and welding method for tube fraction weldering, main purpose are to realize the friction welding of steel pipe and guarantee not generate overlap at weld seam inner wall.It is characterized by: the interior cavity mould includes promoting end pieces and rotation end pieces two parts, promoting end pieces includes promoting end pull rod, retaining ring, promoting end support tube, bearing, tube stent, ceramic cylinder, screw, baffle ring, washer, nut, promotes end thin-wall steel tube for constraining and blocking friction welding seam inner wall and support；Rotating end pieces includes round end pull rod, jackscrew, round end support tube, is used to support round end thin-wall steel tube.With the application of the invention, the friction welding of various wall thickness steel tubes not only may be implemented, but also can be by a bit of thin-wall stainless steel friction welding (FW) at thickness wall carbon steel pipe inner wall of end.
Description
Technical field
The present invention relates to a kind of mold that friction welding (FW) field uses and welding methods, are that one kind is answered specifically
For interior cavity mould and welding method used in steel pipe docking friction welding (FW).
Background technique
Friction welding (FW) refers to that the heat generated using work piece interface relative motion friction as heat source, makes workpiece in pressure
Effect is lower to generate plastic deformation to realize the welding method of class forging state solid diffusivity.Relative to conventional fusion welding, friction
Soldering set has the advantages that weldquality is good, welding efficiency is high, consistency is good, dissimilar material welding can be achieved.
Friction welding technology has obtained certain application in thick walled steel tube welding field, for example, the drilling rod in oil field is using friction
Welding connecting-rod body and screw head.But since friction welding (FW) heat amount is larger, cause thin-wall steel tube in friction welding (FW), it is right
It connects to be under no restraint condition and is easy to produce radial buckling deformation, deviate butt welding position, thus cannot achieve friction welding.And
And when steel pipe docking friction welding (FW), overlap is generated at weld seam inner wall, this causes certain difficulty to hole machined at subsequent weld.
Summary of the invention
In order to solve the technical problems mentioned in the background art, the present invention provides a kind of inner cavity for tube fraction weldering
Mold and welding method, using cavity mould in this kind, when friction welding (FW), is placed in steel pipe, constrains the radial unstability of thin-wall steel tube
Deformation, and limit weld seam and generate overlap at inner wall, the friction welding of thin-wall steel tube thus not only may be implemented, but also can be omitted
Weld seam inner wall cleaning overlap process.
The technical scheme is that this kind is used for the interior cavity mould of tube fraction weldering, including promote end pieces, in which:
The propulsion end pieces include promoting end pull rod, retaining ring, promoting end support tube, bearing, tube stent, ceramic cylinder, screw, gear
Ring, washer, nut, the propulsion end pieces promote end thin-wall steel tube for constraining and blocking friction welding seam inner wall and support；
The propulsion end pull rod is elongate rod, promotes end pull rod shaft shoulder two sides to install two pairs of bearings, and solid with retaining ring, washer and nut
It is fixed；The propulsion end support tube is heavy wall cylindrical barrel shape, is used to support thin-wall steel tube, promotes the both ends of end support tube inner hole big
For installing bearing at hole；The retaining ring is circlip for shaft, for the fixed bearing promoted at the support tube of end；The bearing
For two pairs of tapered roller bearings, it is separately mounted to promote end pull rod shaft shoulder two sides, tube stent, another pair axis is installed in a pair of bearings
It holds installation and promotes end support tube, two pairs of bearings are for guaranteeing tube stent and end support tube being promoted to rotate freely；The cylinder branch
Frame is class cylindrical shape, and tube stent inner wall both ends macropore is for installing a pair of bearings, installation ceramics in position among tube stent outer wall
Cylinder, tube stent one end have radial minor thread hole, baffle ring are fixed on tube stent outer wall one end by screw；The ceramic cylinder is
Cylindrical shape, material are nonmetallic refractory ceramics, and ceramic cylinder is mounted on tube stent, for blocking weld metal zone when friction welding (FW)
Domain；The baffle ring is circular ring shape, has radial hole, is fixed by screws on tube stent, for loading and unloading ceramic cylinder；The spiral shell
Nail is allen screw, for baffle ring to be fixed on support tube；The retaining ring, washer and nut are standard component, are used for
Bearing is held out against to be fixed on and is promoted on the pull rod of end.
In addition, the interior cavity mould can also include rotation end pieces, the rotation end pieces include round end pull rod, top
Silk and round end support tube, the rotation end pieces are used to support round end thin-wall steel tube, in which:
The round end pull rod is elongate rod, and tie rod end is the raised shaft shoulder, for blocking round end support tube；The round end
Support tube is heavy wall cylindrical barrel shape, and round end support tube one end has radial minor thread hole, is drawn when support tube is covered in round end
It is fixed when on bar by jackscrew；The jackscrew is interior hexagonal fastening screw, for round end support tube to be fixed on rotation
It holds on pull rod.
Two steel pipe docking are carried out to the welding method of friction welding (FW) using aforementioned interior cavity mould are as follows:
The first step, before friction welding, first by inwall processing or polishing near the pre- friction welding (FW) end face and end of two steel pipes
Derusting, enters in weld seam to avoid oxide layer；
The propulsion end pieces of the interior cavity mould and rotation end pieces are put into two steel pipes by second step respectively, and push-and-pull promotes
Pull rod is held, makes to be located at steel pipe end surface among ceramic cylinder；By two steel pipes be loaded on respectively friction-welding machine propulsion end fixture and
On round end fixture；
Third step promotes end fixture to drive steel pipe and promotes end pieces axially translated, and the steel pipe with the other side is made pottery to connecting
Porcelain cylinder blocks the inner wall at docking；
4th step, round end fixture drive side steel pipe rotary, and end fixture is promoted to push the press of other side steel pipe, and two steel pipes connect
Touching carries out friction welding；
5th step after friction welds, unclamps and promotes end fixture, and round end fixture drives two steel pipes to rotate together with；It is used in side
The outer wall overlap of lathe tool machining commissure；
6th step unclamps round end fixture, and extraction promotes end pieces and rotation end pieces in steel pipe, and friction welding technological is completed,
Steel pipe is removed from friction-welding machine.
Utilize friction welding in thickness wall carbon steel pipe inner wall of end a bit of thin-wall stainless steel using aforementioned interior cavity mould
The method at place are as follows:
Thickness wall carbon steel pipe inner wall of end before friction welding, is first processed a bit of reaming by the first step, and counter bore diameter is slightly larger than thin-walled
Stainless steel tube outer diameter；
The propulsion end pieces of interior cavity mould are put into thin-wall stainless steel by second step, and push-and-pull promotes end pull rod, are made in ceramic cylinder
Between be located at steel pipe end surface at；Thickness wall carbon steel pipe is loaded on the round end fixture of friction-welding machine, thin-wall stainless steel is loaded
On the propulsion end fixture of friction-welding machine, fixture clamping position is corresponding at support tube；
Third step promotes end fixture to drive thin-wall stainless steel and promotes end pieces axially translated, is inserted into heavy wall carbon steel
In the reaming of tube end, with reaming tail end to connecting, ceramic cylinder blocks the inner wall at docking；
4th step, round end fixture drive thickness wall carbon steel pipe rotation, and end fixture is promoted to push thin-wall stainless steel press, two steel
Pipe carries out friction welding in reaming tail end contact position；
5th step after friction welds, unclamps and promotes end fixture, retracts certain distance and promotes end pieces, round end fixture drives two
A steel pipe rotates together with, and cuts off thin-wall stainless steel with lathe tool in side；
6th step unclamps round end fixture, thickness wall carbon steel pipe is removed from friction-welding machine, remaining thin-wall stainless steel continues to stay
With to carry out the friction welding of next thickness wall carbon steel pipe.
The invention has the following beneficial effects: 1, the relatively thin steel pipe of friction welding wall thickness may be implemented；2, tube fraction welds
Weld seam inner wall non-trimming afterwards saves processing and cleaning inner wall weld seam process；It 3, can be by a bit of thin-wall stainless steel friction welding (FW)
At thickness wall carbon steel pipe inner wall of end；4, a whole set of inner cavity mould structure is simple, and manufacturing cost is low.
Detailed description of the invention:
Fig. 1 is the propulsion end pieces of interior cavity mould；
Fig. 2 is the rotation end pieces of interior cavity mould；
Fig. 3 is the propulsion end pull rod view of interior cavity mould；
Fig. 4 is the round end support tube cross-sectional view of interior cavity mould；
Fig. 5 is the propulsion end support tube cross-sectional view of interior cavity mould；
Fig. 6 is the tube stent cross-sectional view of interior cavity mould；
Fig. 7 is two thin-wall steel tubes that are loaded on friction-welding machine；
Fig. 8 is steel pipe docking and friction welding (FW) on friction-welding machine；
Fig. 9 is that the postwelding on friction-welding machine processes weld seam outer wall；
Figure 10 is the weld seam that two thin-wall steel tube friction welding (FW)s connect；
Figure 11 is heavy wall and thin-wall steel tube friction welding (FW) on friction-welding machine；
Figure 12 is two thick walled steel tube friction welding (FW)s on friction-welding machine；
Figure 13 is be loaded heavy wall and thin-wall steel tube on friction-welding machine；
Figure 14 is jacking thin-wall steel tube and friction welding (FW) on friction-welding machine；
Figure 15 is to move back mold and cutting thin-wall steel tube on friction-welding machine；
Figure 16 is the weld seam that steel tube end part inner wall friction welding (FW) connects.
In figure: in figure: 1, promoting end pull rod；2, retaining ring；3, end support tube is promoted；4, bearing；5, tube stent；6, ceramic
Cylinder；7, screw；8, baffle ring；9, washer；10, nut；11, round end pull rod；12, thin-wall steel tube；13, round end fixture；14, it pushes away
Inlet side fixture；15, friction welding seam；16, thick walled steel tube；17, lathe tool；18, jackscrew；19, round end support tube.
Specific embodiment:
The present invention will be further explained below with reference to the attached drawings:
Cavity mould may include promoting end pieces and rotation end pieces two parts in this kind, in which:
As shown in Figure 1, the propulsion end pieces include promoting end pull rod, retaining ring, promoting end support tube, bearing, tube stent, ceramics
Cylinder, screw, baffle ring, washer, nut promote end thin-wall steel tube for constraining and blocking friction welding seam inner wall and support.
As shown in figure 3, the propulsion end pull rod is elongate rod, rod length is slightly longer than the propulsion end steel pipe of pre- friction welding (FW),
It promotes end pull rod shaft shoulder two sides that two pairs of bearings are installed, and is fixed with retaining ring, washer and nut, it is small that the pull rod other end stretches out steel pipe one
Section, it is axially translated come pushing drawing rod by manual or fixture.
As shown in figure 5, the propulsion end support tube is heavy wall cylindrical barrel shape, the both ends macropore of end support tube inner hole is promoted
Place promotes and cooperates between end support tube outer diameter and thin-wall steel tube internal diameter for small―gap suture, when friction-welding machine promotes for installing bearing
When fixture being held to clamp thin-wall steel tube, promotes end support tube to be used to support thin-wall steel tube, guarantee that it is not plastically deformed.
As shown in fig. 6, the tube stent is class cylindrical shape, tube stent inner wall both ends macropore is used to install a pair of bearings,
Ceramic cylinder is installed at position among tube stent outer wall, and tube stent one end has radial minor thread hole, is fixed on baffle ring by screw
Tube stent outer wall one end.
The ceramic cylinder be cylindrical shape, material be nonmetallic refractory ceramics, to avoid with commissure metal adhesive, pottery
Porcelain cylinder is mounted on tube stent, is cooperated between ceramic cylinder outer diameter and the pipe diameter of pre- friction welding (FW) for small―gap suture, is used to support and rubs
Weldering near zone thin-wall steel tube is wiped, and constrains and block friction welding (FW) position inner wall, is allowed to that overlap can not be generated at inner wall.
The baffle ring is circular ring shape, has radial hole, is fixed by screws on tube stent, for loading and unloading ceramic cylinder.
The retaining ring is circlip for shaft standard component, for the fixed bearing promoted at the support tube of end.
The bearing is two pairs of tapered roller bearings, is separately mounted to promote end pull rod shaft shoulder two sides, pacify in a pair of bearings
Fitted tube bracket, installation promotes end support tube on another pair bearing, and two pairs of bearings are for guaranteeing tube stent and promoting end support tube
It rotates freely.
The screw is allen screw standard component, for baffle ring to be fixed on support tube.
The washer and nut are standard component, promote end pull rod for holding out against bearing to be fixed on.
As shown in Fig. 2, the rotation end pieces include: round end pull rod, jackscrew, round end support tube, it is only limitted to rub
Weldering round end is used to support thin-wall steel tube when being thin-wall steel tube.
The round end pull rod is also elongate rod, and tie rod end is the raised shaft shoulder, for blocking round end support tube, pull rod
Length is slightly longer than the round end steel pipe of pre- friction welding (FW), and support tube is installed in pull rod one end, and pull rod other end stretching steel pipe is a bit of, leads to
Cross manually or fixture to carry out pushing drawing rod axially translated.
As shown in figure 4, the round end support tube is heavy wall cylindrical barrel shape, support tube one end has radial minor thread
Hole is fixed when support tube covers on round end pull rod by jackscrew, is between support tube outer diameter and thin-wall steel tube internal diameter
Small―gap suture cooperation, when friction-welding machine round end fixture clamps thin-wall steel tube, round end support tube is used to support thin-wall steel tube, protects
It is demonstrate,proved not to be plastically deformed.
The jackscrew is interior hexagonal fastening screw standard component, for round end support tube to be fixed on round end pull rod.
Tube fraction in the case of interior cavity mould of the invention is mainly used for four kinds welds: the first situation, thin-wall steel tube
Friction welding (FW) is docked with thin-wall steel tube；Second situation, thin-wall steel tube dock friction welding (FW) with thick walled steel tube；The third situation,
Thick walled steel tube docks friction welding (FW) with thick walled steel tube；4th kind of situation, by a bit of thin-wall stainless steel friction welding (FW) in heavy wall carbon
At steel tube end part inner wall.
The application method of interior cavity mould of the invention for two thin-wall steel tube docking friction welding (FW)s is as follows, referring to Fig. 7 ~ figure
10:
The first step, before friction welding, first by inwall processing or polishing near the pre- friction welding (FW) end face and end of two steel pipes
Derusting, enters in weld seam to avoid oxide layer.
The propulsion end pieces of interior cavity mould and rotation end pieces are put into two thin-wall steel tubes respectively, push and pull by second step
End pull rod is promoted, makes to be located at steel pipe end surface among ceramic cylinder；Two thin-wall steel tubes are loaded on to the propulsion of friction-welding machine respectively
It holds on fixture and round end fixture, fixture clamping position is corresponding at support tube, referring to Fig. 7.
Third step promotes end fixture to drive steel pipe and promotes end pieces axially translated, docks with the steel pipe of the other side
On, ceramic cylinder blocks the inner wall at docking, referring to Fig. 8.
4th step, round end fixture drive side steel pipe rotary, and end fixture is promoted to push the press of other side steel pipe, two steel
Pipe contact carries out friction welding, and since ceramic cylinder is in the supporting role of inner wall, thin-wall steel tube does not occur near the docking of heating
Radial deformation, and the plugging action of ceramic cylinder makes commissure only generate overlap in outer wall, referring to Fig. 8.
5th step after friction welds, unclamps and promotes end fixture, and round end fixture drives two steel pipes to rotate together with；In side
The outer wall overlap of face lathe tool machining commissure, referring to Fig. 9.
6th step unclamps round end fixture, and extraction promotes end pieces and rotation end pieces in steel pipe, and friction welding technological is complete
At steel pipe being removed from friction-welding machine, referring to Figure 10.
The friction welding (FW) that docks of interior cavity mould of the invention for thin-wall steel tube and thick walled steel tube and two thick walled steel tubes
The application method that application method docks friction welding (FW) with above-mentioned two thin-wall steel tube is essentially identical, and difference is that thick walled steel tube itself is strong
Enough, inboard does not have to installation support cartridge unit to degree, referring to Figure 11 and Figure 12.
Interior cavity mould of the invention is used for a bit of thin-wall stainless steel friction welding (FW) at thickness wall carbon steel pipe inner wall of end
Application method it is as follows, referring to Figure 13 ~ Figure 16:
Thickness wall carbon steel pipe inner wall of end before friction welding, is first processed a bit of reaming by the first step, and counter bore diameter is slightly larger than thin-walled
Stainless steel tube outer diameter.
The propulsion end pieces of interior cavity mould are put into thin-wall stainless steel by second step, and push-and-pull promotes end pull rod, make ceramics
Cylinder is intermediate to be located at steel pipe end surface；Thickness wall carbon steel pipe is loaded on the round end fixture of friction-welding machine, by thin-wall stainless steel
It is loaded on the propulsion end fixture of friction-welding machine, fixture clamping position is corresponding at support tube, referring to Figure 13.
Third step promotes end fixture to drive thin-wall stainless steel and promotes end pieces axially translated, is inserted into heavy wall
In the reaming of carbon steel pipe end, with reaming tail end to connecting, ceramic cylinder blocks the inner wall at docking, referring to Figure 14.
4th step, round end fixture drive thickness wall carbon steel pipe rotation, promote end fixture that thin-wall stainless steel is pushed to press, and two
A steel pipe reaming tail end contact position carry out friction welding, due to friction welding (FW) position at steel tube inner hole and ceramic cylinder generate envelope
Stifled effect, commissure basically will not produce overlap, referring to Figure 14.
5th step after friction welds, unclamps and promotes end fixture, retracts certain distance and promotes end pieces, round end fixture band
Dynamic two steel pipes rotate together with, and thin-wall stainless steel are cut off with lathe tool in side, referring to Figure 15.
6th step unclamps round end fixture, and thickness wall carbon steel pipe is removed from friction-welding machine, and remaining thin-wall stainless steel continues
Continue to employ, to carry out the friction welding of next thickness wall carbon steel pipe, referring to Figure 16.
Claims (4)
1. a kind of interior cavity mould for tube fraction weldering, including promote end pieces, it is characterised in that:
The propulsion end pieces include promoting end pull rod, retaining ring, promoting end support tube, bearing, tube stent, ceramic cylinder, screw, gear
Ring, washer, nut, the propulsion end pieces promote end thin-wall steel tube for constraining and blocking friction welding seam inner wall and support；
The propulsion end pull rod is elongate rod, promotes end pull rod shaft shoulder two sides to install two pairs of bearings, and solid with retaining ring, washer and nut
It is fixed；The propulsion end support tube is heavy wall cylindrical barrel shape, is used to support thin-wall steel tube, promotes the both ends of end support tube inner hole big
For installing bearing at hole；The retaining ring is circlip for shaft, for the fixed bearing promoted at the support tube of end；The bearing
For two pairs of tapered roller bearings, it is separately mounted to promote end pull rod shaft shoulder two sides, tube stent, another pair axis is installed in a pair of bearings
It holds installation and promotes end support tube, two pairs of bearings are for guaranteeing tube stent and end support tube being promoted to rotate freely；The cylinder branch
Frame is class cylindrical shape, and tube stent inner wall both ends macropore is for installing a pair of bearings, installation ceramics in position among tube stent outer wall
Cylinder, tube stent one end have radial minor thread hole, baffle ring are fixed on tube stent outer wall one end by screw；The ceramic cylinder is
Cylindrical shape, material are nonmetallic refractory ceramics, and ceramic cylinder is mounted on tube stent, for blocking weld metal zone when friction welding (FW)
Domain；The baffle ring is circular ring shape, has radial hole, is fixed by screws on tube stent, for loading and unloading ceramic cylinder；The spiral shell
Nail is allen screw, for baffle ring to be fixed on support tube；The retaining ring, washer and nut are standard component, are used for
Bearing is held out against to be fixed on and is promoted on the pull rod of end.
2. a kind of interior cavity mould for tube fraction weldering according to claim 1, the interior cavity mould further include rotation
End pieces, it is characterised in that:
The rotation end pieces include round end pull rod, jackscrew and round end support tube, and the rotation end pieces are used to support rotation
Turn end thin-wall steel tube；The round end pull rod is elongate rod, and tie rod end is the raised shaft shoulder, for blocking round end support tube；
The round end support tube is heavy wall cylindrical barrel shape, and round end support tube one end has radial minor thread hole, when support tube set
It is fixed when on round end pull rod by jackscrew；The jackscrew is interior hexagonal fastening screw, is used for round end support tube
It is fixed on round end pull rod.
3. a kind of welding method that two steel pipe docking are carried out to friction welding (FW) using interior cavity mould described in claim 2 are as follows:
The first step, before friction welding, first by inwall processing or polishing near the pre- friction welding (FW) end face and end of two steel pipes
Derusting, enters in weld seam to avoid oxide layer；
The propulsion end pieces of the interior cavity mould and rotation end pieces are put into two steel pipes by second step respectively, and push-and-pull promotes
Pull rod is held, makes to be located at steel pipe end surface among ceramic cylinder；By two steel pipes be loaded on respectively friction-welding machine propulsion end fixture and
On round end fixture；
Third step promotes end fixture to drive steel pipe and promotes end pieces axially translated, and the steel pipe with the other side is made pottery to connecting
Porcelain cylinder blocks the inner wall at docking；
4th step, round end fixture drive side steel pipe rotary, and end fixture is promoted to push the press of other side steel pipe, and two steel pipes connect
Touching carries out friction welding；
5th step after friction welds, unclamps and promotes end fixture, and round end fixture drives two steel pipes to rotate together with；It is used in side
The outer wall overlap of lathe tool machining commissure；
6th step unclamps round end fixture, and extraction promotes end pieces and rotation end pieces in steel pipe, and friction welding technological is completed,
Steel pipe is removed from friction-welding machine.
4. interior cavity mould described in a kind of application claim 1 is by a bit of thin-wall stainless steel using friction welding in heavy wall carbon steel
Method at tube end inner wall are as follows:
Thickness wall carbon steel pipe inner wall of end before friction welding, is first processed a bit of reaming by the first step, and counter bore diameter is slightly larger than thin-walled
Stainless steel tube outer diameter；
The propulsion end pieces of interior cavity mould are put into thin-wall stainless steel by second step, and push-and-pull promotes end pull rod, are made in ceramic cylinder
Between be located at steel pipe end surface at；Thickness wall carbon steel pipe is loaded on the round end fixture of friction-welding machine, thin-wall stainless steel is loaded
On the propulsion end fixture of friction-welding machine, fixture clamping position is corresponding at support tube；
Third step promotes end fixture to drive thin-wall stainless steel and promotes end pieces axially translated, is inserted into heavy wall carbon steel
In the reaming of tube end, with reaming tail end to connecting, ceramic cylinder blocks the inner wall at docking；
4th step, round end fixture drive thickness wall carbon steel pipe rotation, and end fixture is promoted to push thin-wall stainless steel press, two steel
Pipe carries out friction welding in reaming tail end contact position；
5th step after friction welds, unclamps and promotes end fixture, retracts certain distance and promotes end pieces, round end fixture drives two
A steel pipe rotates together with, and cuts off thin-wall stainless steel with lathe tool in side；
6th step unclamps round end fixture, thickness wall carbon steel pipe is removed from friction-welding machine, remaining thin-wall stainless steel continues to stay
With to carry out the friction welding of next thickness wall carbon steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811111689.XA CN109226955A (en) | 2018-09-24 | 2018-09-24 | Interior cavity mould and welding method for tube fraction weldering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811111689.XA CN109226955A (en) | 2018-09-24 | 2018-09-24 | Interior cavity mould and welding method for tube fraction weldering |
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| CN109226955A true CN109226955A (en) | 2019-01-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025079A (en) * | 2020-10-12 | 2020-12-04 | 深圳市铭利达精密技术股份有限公司 | Deep-cavity friction stir welding device for automobile motor |
| CN112122767A (en) * | 2020-09-01 | 2020-12-25 | 山东本图液压科技有限公司 | Integral step type multistage oil cylinder machining process |
| CN113857647A (en) * | 2021-11-01 | 2021-12-31 | 中国航空制造技术研究院 | Local damage repairing method for thin-wall revolving body structural part |
| CN114012239A (en) * | 2021-11-02 | 2022-02-08 | 沧州中星石油器材有限公司 | Novel welding process and equipment for stainless steel and carbon steel |
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| CN112025079A (en) * | 2020-10-12 | 2020-12-04 | 深圳市铭利达精密技术股份有限公司 | Deep-cavity friction stir welding device for automobile motor |
| CN112025079B (en) * | 2020-10-12 | 2022-09-16 | 深圳市铭利达精密技术股份有限公司 | Deep-cavity friction stir welding device for automobile motor |
| CN113857647A (en) * | 2021-11-01 | 2021-12-31 | 中国航空制造技术研究院 | Local damage repairing method for thin-wall revolving body structural part |
| CN113857647B (en) * | 2021-11-01 | 2023-02-28 | 中国航空制造技术研究院 | Local damage repairing method for thin-wall revolving body structural part |
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