CN111843174A - Friction welding method for non-magnetic metal material and special-shaped metal material - Google Patents
Friction welding method for non-magnetic metal material and special-shaped metal material Download PDFInfo
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- CN111843174A CN111843174A CN202010676299.8A CN202010676299A CN111843174A CN 111843174 A CN111843174 A CN 111843174A CN 202010676299 A CN202010676299 A CN 202010676299A CN 111843174 A CN111843174 A CN 111843174A
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- metal material
- pipe body
- material pipe
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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
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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
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention provides a friction welding method of a non-magnetic metal material and a special-shaped metal material, and relates to the technical field of metal material welding. The friction welding method of the non-magnetic metal material and the special-shaped metal material comprises the following steps: 1) preparing a non-magnetic metal material pipe body and a special-shaped metal material pipe body, and detecting whether the non-magnetic metal material pipe body and the special-shaped metal material pipe body are damaged or not by using a metal flaw detector; 2) and determining the welding end surfaces of the nonmagnetic metal material pipe body and the special-shaped metal material pipe body, and marking the welding end surfaces. According to the invention, the nonmagnetic metal material pipe body and the special-shaped metal material pipe body generate heat through friction by rotating the nonmagnetic metal material pipe body, and then the axial movement of the special-shaped metal material pipe body is ensured by applying the upsetting force for multiple times, so that the nonmagnetic metal material pipe body and the special-shaped metal material pipe body are stably welded together, the whole welding process is simple in operation, and the welding efficiency is high.
Description
Technical Field
The invention relates to the technical field of metal material welding, in particular to a friction welding method of a non-magnetic metal material and a special-shaped metal material.
Background
Friction welding, which is a method of melting a thermoplastic material on a friction surface by using frictional heat generated by friction between the materials, pressurizing the melted thermoplastic material, and cooling the melted thermoplastic material under upset pressure to weld the melted thermoplastic material, is most suitable for rotating body parts, and is similar to metal friction welding in that one part is fixed while the other part is rotated and pressurized.
At present, the friction welding technology between materials with different densities and materials with different melting points and between a non-magnetic material and alloy steel is just started, the field becomes a forbidden region due to the action of an electrochemical battery, meanwhile, the welding process between the non-magnetic metal material and the special-shaped metal material is limited due to the problems that the melting point, the heat conductivity, the plastic flow capacity and the like of the special-shaped material are greatly different, although the friction welding between the non-magnetic metal material and the special-shaped metal material is started in the prior art, the process is simpler, the coaxiality and the deviation degree error between the welded materials are larger, and the use of subsequent workpieces is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a friction welding method of a non-magnetic metal material and a special-shaped metal material, which solves the defects in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a friction welding method of a non-magnetic metal material and a special-shaped metal material comprises the following steps:
1) preparing a non-magnetic metal material pipe body and a special-shaped metal material pipe body, detecting whether the non-magnetic metal material pipe body and the special-shaped metal material pipe body are damaged or not by using a metal flaw detector, and removing the non-magnetic metal material pipe body or the special-shaped metal material pipe body which is damaged;
2) determining the welding end faces of the nonmagnetic metal material pipe body and the special-shaped metal material pipe body, marking the welding end faces, and then grinding and polishing the welding end faces of the nonmagnetic metal material pipe body and the special-shaped metal material pipe body;
3) chamfering the welding end faces of the non-magnetic metal material pipe body and the special-shaped metal material pipe body to form a circular bulge on the welding end faces of the non-magnetic metal material pipe body and the special-shaped metal material pipe body, and grinding and polishing;
4) the non-magnetic metal material pipe body and the special-shaped metal material pipe body are respectively clamped by the two clamping mechanisms, the clamping mechanism of the non-magnetic metal material pipe body can drive a workpiece to rotate, and the clamping mechanism of the special-shaped metal material pipe body can drive the workpiece to axially move;
5) Aligning the welding end faces of the non-magnetic metal material pipe body and the special-shaped metal material pipe body, attaching the two welding end faces together, starting a rotating device, starting the non-magnetic metal material pipe body to rotate and rub the special-shaped metal material pipe body, starting an axial moving device when the welding end faces of the two pipe bodies start to generate flashes, starting the special-shaped metal material pipe body to apply a first upsetting force, and then applying a second upsetting force and a third upsetting force;
6) when the friction heating of the welding end surface reaches the welding temperature, rapidly stopping the movement of the nonmagnetic metal material pipe body, and finally applying upsetting force to enable the nonmagnetic metal material pipe body and the special-shaped metal material pipe body to generate plastic deformation, namely completing the friction welding;
7) and after the welding position of the non-magnetic metal material pipe body and the special-shaped metal material pipe body is cooled to room temperature, grinding the welding position, removing the flash at the welding position, and polishing.
Preferably, the finish after the grinding and polishing treatment in the step 2 is 1.6.
Preferably, the angle after the chamfering treatment in the step 3 is 1 to 3 °.
Preferably, the rotation speed of the non-magnetic metal material tube in the step 5 is 100-.
Preferably, the first upsetting force is applied in the step 5 by an upsetting distance of 2-5mm, the second upsetting force is applied at intervals of 2-3s, the upsetting distance is 3-5mm, the third upsetting force is applied at intervals of 1-2s, and the upsetting distance is 2-4 mm.
Preferably, the distance of the last upsetting force applied in the step 6 is 10-15 mm.
(III) advantageous effects
The invention provides a friction welding method of a non-magnetic metal material and a special-shaped metal material. The method has the following beneficial effects:
1. according to the invention, the nonmagnetic metal material pipe body and the special-shaped metal material pipe body generate heat through friction by rotating the nonmagnetic metal material pipe body, and then the axial movement of the special-shaped metal material pipe body is ensured by applying the upsetting force for multiple times, so that the nonmagnetic metal material pipe body and the special-shaped metal material pipe body are stably welded together, the whole welding process is simple in operation, and the welding efficiency is high.
2. According to the invention, through metal flaw detection, grinding and polishing and chamfering treatment on the nonmagnetic metal material pipe body and the special-shaped metal material pipe body, the quality of the nonmagnetic metal material pipe body and the special-shaped metal material pipe body is ensured, the subsequent welding quality is improved, the welding coaxiality is improved, and the welding deviation degree is reduced.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
the embodiment of the invention provides a friction welding method of a non-magnetic metal material and a special-shaped metal material, which comprises the following steps:
1) preparing a non-magnetic metal material pipe body and a special-shaped metal material pipe body, detecting whether the non-magnetic metal material pipe body and the special-shaped metal material pipe body are damaged or not by using a metal flaw detector, and removing the non-magnetic metal material pipe body or the special-shaped metal material pipe body which is damaged;
2) determining the welding end surfaces of the nonmagnetic metal material pipe body and the special-shaped metal material pipe body, marking the welding end surfaces, and then carrying out grinding and polishing treatment on the welding end surfaces of the nonmagnetic metal material pipe body and the special-shaped metal material pipe body, wherein the degree of finish after grinding and polishing treatment is 1.6;
3) chamfering the welding end face of the non-magnetic metal material pipe body and the special-shaped metal material pipe body, wherein the angle after chamfering is 1-3 degrees, so that a circular bulge is formed on the welding end face of the non-magnetic metal material pipe body and the special-shaped metal material pipe body, and the circular bulge is polished and polished;
4) The non-magnetic metal material pipe body and the special-shaped metal material pipe body are respectively clamped by the two clamping mechanisms, the clamping mechanism of the non-magnetic metal material pipe body can drive a workpiece to rotate, and the clamping mechanism of the special-shaped metal material pipe body can drive the workpiece to axially move;
5) aligning the welding end faces of the non-magnetic metal material pipe body and the special-shaped metal material pipe body, adhering the two welding end faces together, starting a rotating device, starting the non-magnetic metal material pipe body to rotate, enabling the rotation speed of the non-magnetic metal material pipe body to be 1000 r/min, enabling the non-magnetic metal material pipe body to rub against the special-shaped metal material pipe body, starting an axial moving device when the welding end faces of the two pipe bodies start to generate flash, enabling the special-shaped metal material pipe body to start to apply a first upsetting force, and then applying a second upsetting force and a third upsetting force, wherein the jacking distance for applying the first upsetting force is 2-5mm, the second upsetting force is started at an interval of 2-3s, the jacking distance is 3-5mm, the third upsetting force is started at an interval of 1-2s, and the jacking distance is 2-4 mm;
6) when the friction heating of the welding end surface reaches the welding temperature, rapidly stopping the movement of the nonmagnetic metal material pipe body, and finally applying upsetting force for the last time, wherein the upsetting distance is 10-15mm, so that the nonmagnetic metal material pipe body and the special-shaped metal material pipe body generate plastic deformation, namely the friction welding is completed;
7) And after the welding position of the non-magnetic metal material pipe body and the special-shaped metal material pipe body is cooled to room temperature, grinding the welding position, removing the flash at the welding position, and polishing.
According to the invention, the nonmagnetic metal material pipe body and the special-shaped metal material pipe body generate heat through friction by rotating the nonmagnetic metal material pipe body, and then the axial movement of the special-shaped metal material pipe body is ensured by applying upsetting force for multiple times, so that the nonmagnetic metal material pipe body and the special-shaped metal material pipe body are stably welded together, the whole welding process is simple in operation, and the welding efficiency is high; through metal flaw detection, grinding and polishing and chamfering treatment on the nonmagnetic metal material pipe body and the special-shaped metal material pipe body, the quality of the nonmagnetic metal material pipe body and the special-shaped metal material pipe body is guaranteed, meanwhile, the subsequent welding quality is improved, the welding coaxiality is improved, and the welding deviation degree is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The friction welding method of the non-magnetic metal material and the special-shaped metal material is characterized in that: the method comprises the following steps:
1) preparing a non-magnetic metal material pipe body and a special-shaped metal material pipe body, detecting whether the non-magnetic metal material pipe body and the special-shaped metal material pipe body are damaged or not by using a metal flaw detector, and removing the non-magnetic metal material pipe body or the special-shaped metal material pipe body which is damaged;
2) determining the welding end faces of the nonmagnetic metal material pipe body and the special-shaped metal material pipe body, marking the welding end faces, and then grinding and polishing the welding end faces of the nonmagnetic metal material pipe body and the special-shaped metal material pipe body;
3) chamfering the welding end faces of the non-magnetic metal material pipe body and the special-shaped metal material pipe body to form a circular bulge on the welding end faces of the non-magnetic metal material pipe body and the special-shaped metal material pipe body, and grinding and polishing;
4) The non-magnetic metal material pipe body and the special-shaped metal material pipe body are respectively clamped by the two clamping mechanisms, the clamping mechanism of the non-magnetic metal material pipe body can drive a workpiece to rotate, and the clamping mechanism of the special-shaped metal material pipe body can drive the workpiece to axially move;
5) aligning the welding end faces of the non-magnetic metal material pipe body and the special-shaped metal material pipe body, attaching the two welding end faces together, starting a rotating device, starting the non-magnetic metal material pipe body to rotate and rub the special-shaped metal material pipe body, starting an axial moving device when the welding end faces of the two pipe bodies start to generate flashes, starting the special-shaped metal material pipe body to apply a first upsetting force, and then applying a second upsetting force and a third upsetting force;
6) when the friction heating of the welding end surface reaches the welding temperature, rapidly stopping the movement of the nonmagnetic metal material pipe body, and finally applying upsetting force to enable the nonmagnetic metal material pipe body and the special-shaped metal material pipe body to generate plastic deformation, namely completing the friction welding;
7) and after the welding position of the non-magnetic metal material pipe body and the special-shaped metal material pipe body is cooled to room temperature, grinding the welding position, removing the flash at the welding position, and polishing.
2. The friction welding method of the nonmagnetic metal material and the deformed metal material as claimed in claim 1, characterized in that: the smooth finish after the grinding and polishing treatment in the step 2 is 1.6.
3. The friction welding method of the nonmagnetic metal material and the deformed metal material as claimed in claim 1, characterized in that: the angle after chamfering in the step 3 is 1-3 degrees.
4. The friction welding method of the nonmagnetic metal material and the deformed metal material as claimed in claim 1, characterized in that: the rotation speed of the non-magnetic metal material tube body in the step 5 is 100-1000 r/min.
5. The friction welding method of the nonmagnetic metal material and the deformed metal material as claimed in claim 1, characterized in that: in the step 5, the jacking distance of the first upsetting force is 2-5mm, the second upsetting force is applied at intervals of 2-3s, the jacking distance is 3-5mm, the third upsetting force is applied at intervals of 1-2s, and the jacking distance is 2-4 mm.
6. The friction welding method of the nonmagnetic metal material and the deformed metal material as claimed in claim 1, characterized in that: and the jacking distance of the last upsetting force applied in the step 6 is 10-15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010676299.8A CN111843174A (en) | 2020-07-14 | 2020-07-14 | Friction welding method for non-magnetic metal material and special-shaped metal material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010676299.8A CN111843174A (en) | 2020-07-14 | 2020-07-14 | Friction welding method for non-magnetic metal material and special-shaped metal material |
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| CN111843174A true CN111843174A (en) | 2020-10-30 |
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| CN202010676299.8A Pending CN111843174A (en) | 2020-07-14 | 2020-07-14 | Friction welding method for non-magnetic metal material and special-shaped metal material |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211248A (en) * | 2011-05-05 | 2011-10-12 | 衡阳鸿锦石油钻具有限公司 | Oil drill rod connector, drill rod, inertia friction welding process and jig |
| CN104259651A (en) * | 2014-08-13 | 2015-01-07 | 山西环界石油钻具制造股份有限公司 | Friction-welding method for non-magnetic metal material and special-shaped metal material |
| CN104999174A (en) * | 2015-07-24 | 2015-10-28 | 陕西理工学院 | Sewage pump motor shaft friction welding method |
| CN108907446A (en) * | 2018-07-09 | 2018-11-30 | 山东大学 | It is a kind of for connecting the radial friction welding process of austenitic alloy steel and non magnetic drill collar |
| CN110102985A (en) * | 2019-06-05 | 2019-08-09 | 刘艺纯 | Impact the reproducing method of screw thread drill steel |
-
2020
- 2020-07-14 CN CN202010676299.8A patent/CN111843174A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211248A (en) * | 2011-05-05 | 2011-10-12 | 衡阳鸿锦石油钻具有限公司 | Oil drill rod connector, drill rod, inertia friction welding process and jig |
| CN104259651A (en) * | 2014-08-13 | 2015-01-07 | 山西环界石油钻具制造股份有限公司 | Friction-welding method for non-magnetic metal material and special-shaped metal material |
| CN104999174A (en) * | 2015-07-24 | 2015-10-28 | 陕西理工学院 | Sewage pump motor shaft friction welding method |
| CN108907446A (en) * | 2018-07-09 | 2018-11-30 | 山东大学 | It is a kind of for connecting the radial friction welding process of austenitic alloy steel and non magnetic drill collar |
| CN110102985A (en) * | 2019-06-05 | 2019-08-09 | 刘艺纯 | Impact the reproducing method of screw thread drill steel |
Non-Patent Citations (2)
| Title |
|---|
| 张柯柯 等: "《特种先进连接方法》", 31 August 2016, 哈尔滨工业大学出版社 * |
| 贺文雄 等: "《焊接工艺及应用》", 30 November 2010, 国防工业出版社 * |
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