CN107363479A - A kind of preparation method of the special-shaped welded tube of body-building apparatus - Google Patents
A kind of preparation method of the special-shaped welded tube of body-building apparatus Download PDFInfo
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- CN107363479A CN107363479A CN201710595692.2A CN201710595692A CN107363479A CN 107363479 A CN107363479 A CN 107363479A CN 201710595692 A CN201710595692 A CN 201710595692A CN 107363479 A CN107363479 A CN 107363479A
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- Prior art keywords
- welded tube
- special
- preparation
- building apparatus
- shaped
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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
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Arc Welding In General (AREA)
Abstract
A kind of preparation method the invention discloses body-building apparatus with special-shaped welded tube, comprises the following steps：（1）Raw material selects；（2）Cutting；（3）Dig side processing；（4）Welding；（5）Post weld heat treatment.A kind of preparation method of the special-shaped welded tube of body-building apparatus of the present invention, on the basis of reasonable material, structure design, passes through rational welding procedure and aftertreatment technology, make gained welded tube bulk strength high, without residual stress, good combination property, had a good application prospect in field of exercise equipment.
Description
Technical field
The present invention relates to body-building apparatus welded tube field, the preparation side more particularly to a kind of body-building apparatus with special-shaped welded tube
Method.
Background technology
Welded still pipe is also referred to as welded tube, be with steel plate or strip welded after cans made of steel pipe, extensive use
In each engineering field.
Existing traditional generally circular steel pipe of body-building apparatus welded tube, rectangular steel tube, oval steel pipe, triangle steel
Pipe, hexagon steel pipe etc., structure type is common, can not meet use demand for the body-building apparatus of some special constructions.
The content of the invention
The present invention solves the technical problem of provide a kind of preparation method of the special-shaped welded tube of body-building apparatus.
In order to solve the above technical problems, one aspect of the present invention is：A kind of body-building apparatus abnormity is provided
The preparation method of welded tube, comprises the following steps：
（1）Raw material selects：Select the round steel pipe of two kinds of diameters of size；
（2）Cutting：The small-diameter circular steel pipe is cut into two along its diametric(al), by the large-diameter circular steel pipe along vertically
Two arc structures are cut out in the direction of its radial direction；
（3）Dig side processing：By step（2）Two semicircles and two arc structures that middle cutting obtains are placed on edge planer and carried out
Side processing is dug, to dig the divided edge structure of suitable welding requirements on their two side；
（4）Welding：By step（3）Two semicircles and two arc structures after the processing of middle plane side are arranged at intervals successively, using height
Frequency welding machine by each welding fabrication of weld seam total length, obtains odd-shaped cross section welded tube by the order being linked in sequence from beginning to end；
（5）Post weld heat treatment：By step（4）In obtained odd-shaped cross section welded tube be placed in heating furnace, successively carry out a normalizing
With a tempering process, to eliminate the stress of welded tube.
In a preferred embodiment of the present invention, the step（1）In, the large-diameter circular steel pipe it is a diameter of described small
2~4 times of diameter circle diameter of steel tube.
In a preferred embodiment of the present invention, the step（3）In, the divided edge structure is V-butt, its openend
Towards the outside of the semicircle or arc structure.
In a preferred embodiment of the present invention, the step（5）In, the process conditions of the normalizing are：Heating-up temperature
800~950 DEG C, 60~90min of thermostatic hold-time.
In a preferred embodiment of the present invention, the step（5）In, the process conditions of the tempering are：Heating-up temperature
400~450 DEG C, 40~60min of thermostatic hold-time.
In a preferred embodiment of the present invention, the special-shaped welded tube include first while, second while, the 3rd side and the 4th
Side；Wherein, described first while and be symmetrical arc-shaped side when the 3rd, described second while and be symmetrical half when the 4th
Circular edges, described first while both ends respectively with described second while and the one end on the 4th side be welded to connect, the two of the 3rd side
End respectively with described second while and other end when the 4th be welded to connect.
The beneficial effects of the invention are as follows：A kind of preparation method of the special-shaped welded tube of body-building apparatus of the present invention, reasonable material,
On the basis of structure design, by rational welding procedure, make gained welded tube bulk strength high, without residual stress, combination property
It is good, had a good application prospect in field of exercise equipment.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of the preferred embodiment of special-shaped welded tube one prepared by the present invention；
The mark of each part is as follows in accompanying drawing：1. the first side, 2. second sides, 3. the 3rd sides, 4. the 4th sides, 5. weld seams.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Referring to Fig. 1, the embodiment of the present invention includes：
Embodiment 1
A kind of special-shaped welded tube of body-building apparatus, including first at 1, second the 2, the 3rd in 3 and the 4th while 4；Wherein, described first
At 1 and the 3rd, 3 be symmetrical shape, size all same arc-shaped side；Described second at 2 and the 4th 4 to be symmetrical
Shape, size all same semicircle side, and the radius of circular arc where arc-shaped side is 2 times of semicircle side radius.
Described first while 1 both ends respectively with second while 2 and the 4th the one end on side 4 be welded to connect using V-butt, it is described
3rd while 3 both ends respectively with second while 2 and the 4th the other end on side 4 be welded to connect using V-butt.
The opening angle of the V-butt is 30 °, its depth be described first while, second while, the 3rd while or when the 4th it is thick
The 1/4 of degree.In addition, first while, second while, the 3rd thickness while with the 4th it is identical.
The preparation method of above-mentioned special-shaped welded tube, comprises the following steps：
（1）Raw material selects：The round steel pipe of two kinds of diameters of size is selected, wherein, a diameter of minor diameter of large-diameter circular steel pipe
2 times of round steel pipe diameter；
（2）Cutting：Small-diameter circular steel pipe is cut into two along its diametric(al), by large-diameter circular steel pipe along perpendicular to its footpath
To direction cut out two arc structures, and make circular arc width be more than small-diameter circular steel pipe radius；
（3）Dig side processing：By step（2）Two semicircles and two arc structures that middle cutting obtains are placed on edge planer and carried out
Side processing is dug, to dig the divided edge structure of suitable welding requirements on their two side；The divided edge structure is V-arrangement slope
Mouthful, its openend is towards the outside of the semicircle or arc structure, and opening angle is 30 °, and its depth is first side, the
Two while, the 3rd while or the 4th side thickness 1/4；
（4）Welding：By step（3）Two semicircles and two arc structures after the processing of middle plane side are arranged at intervals successively, using height
Frequency welding machine by each welding fabrication of weld seam total length, obtains odd-shaped cross section welded tube by the order being linked in sequence from beginning to end；
（5）Post weld heat treatment：By step（4）In obtained odd-shaped cross section welded tube be placed in heating furnace, successively carry out a normalizing
With a tempering process, to eliminate the stress of welded tube；Wherein, the process conditions of the normalizing are：800~950 DEG C of heating-up temperature,
60~90min of thermostatic hold-time；The process conditions of the tempering are：400~450 DEG C of heating-up temperature, thermostatic hold-time 40
~60min.
Embodiment 2
Difference with embodiment 1 is, 4 times of a diameter of small-diameter circular diameter of steel tube of large-diameter circular steel pipe；The V-arrangement
The opening angle of groove is 60 °, its depth be described first while, second while, the 3rd while or when the 4th thickness 1/3.
Preparation method is the same as embodiment 1.
Embodiment 3
Difference with embodiment 1 is, described first at 1 and the 3rd radius of 3 place circular arcs be the 3 of semicircle side radius
Times.
The opening angle of the V-butt is 45 °.
Preparation method is the same as embodiment 1.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (6)
1. a kind of body-building apparatus preparation method of special-shaped welded tube, it is characterised in that comprise the following steps：
（1）Raw material selects：Select the round steel pipe of two kinds of diameters of size；
（2）Cutting：The small-diameter circular steel pipe is cut into two along its diametric(al), by the large-diameter circular steel pipe along vertically
Two arc structures are cut out in the direction of its radial direction；
（3）Dig side processing：By step（2）Two semicircles and two arc structures that middle cutting obtains are placed on edge planer and carried out
Side processing is dug, to dig the divided edge structure of suitable welding requirements on their two side；
（4）Welding：By step（3）Two semicircles and two arc structures after the processing of middle plane side are arranged at intervals successively, using height
Frequency welding machine by each welding fabrication of weld seam total length, obtains odd-shaped cross section welded tube by the order being linked in sequence from beginning to end；
（5）Post weld heat treatment：By step（4）In obtained odd-shaped cross section welded tube be placed in heating furnace, successively carry out a normalizing
With a tempering process, to eliminate the stress of welded tube.
2. the body-building apparatus according to claim 1 preparation method of special-shaped welded tube, it is characterised in that the step（1）
In, 2~4 times of a diameter of small-diameter circular diameter of steel tube of the large-diameter circular steel pipe.
3. the body-building apparatus according to claim 1 preparation method of special-shaped welded tube, it is characterised in that the step（3）
In, the divided edge structure is V-butt, and its openend is towards the outside of the semicircle or arc structure.
4. the body-building apparatus according to claim 1 preparation method of special-shaped welded tube, it is characterised in that the step（5）
In, the process conditions of the normalizing are：800~950 DEG C of heating-up temperature, 60~90min of thermostatic hold-time.
5. the body-building apparatus according to claim 1 preparation method of special-shaped welded tube, it is characterised in that the step（5）
In, the process conditions of the tempering are：400~450 DEG C of heating-up temperature, 40~60min of thermostatic hold-time.
6. the body-building apparatus according to claim 1 preparation method of special-shaped welded tube, it is characterised in that the special-shaped welded tube
Including first while, second while, the 3rd while and when the 4th；Wherein, described first while and be symmetrical arc-shaped side when the 3rd, institute
State second while and be symmetrical semicircle side when the 4th, described first while both ends respectively with described second while and the 4th side
One end be welded to connect, the described 3rd while both ends respectively with described second while and the other end on the 4th side be welded to connect.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595692.2A CN107363479A (en) | 2017-07-20 | 2017-07-20 | A kind of preparation method of the special-shaped welded tube of body-building apparatus |
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| CN201710595692.2A CN107363479A (en) | 2017-07-20 | 2017-07-20 | A kind of preparation method of the special-shaped welded tube of body-building apparatus |
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| CN107363479A true CN107363479A (en) | 2017-11-21 |
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| CN201710595692.2A Pending CN107363479A (en) | 2017-07-20 | 2017-07-20 | A kind of preparation method of the special-shaped welded tube of body-building apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814653A (en) * | 2019-11-15 | 2020-02-21 | 哈尔滨电气动力装备有限公司 | Processing technology of snap ring for asynchronous motor |
Citations (5)
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|---|---|---|---|---|
| DE2461420A1 (en) * | 1974-12-24 | 1976-07-08 | Kabel Metallwerke Ghh | PROCESS FOR MANUFACTURING WATER-COOLED CONTACT JAWS FOR MELTING FURNACES |
| EP0462394A1 (en) * | 1990-06-16 | 1991-12-27 | VAW Aluminium AG | Connecting element, in particular connecting rod, and method of manufacturing same |
| CN101701315A (en) * | 2009-10-30 | 2010-05-05 | 中海石油金洲管道有限公司 | Manufacturing method of submerged pipeline steel pipe |
| CN104858555A (en) * | 2015-06-10 | 2015-08-26 | 江苏力沛电力工程技术服务有限公司 | Pressure pipeline welding process |
| CN106541253A (en) * | 2017-01-18 | 2017-03-29 | 浙江鑫桦钢管有限公司 | A kind of production technology of steel pipe |
-
2017
- 2017-07-20 CN CN201710595692.2A patent/CN107363479A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2461420A1 (en) * | 1974-12-24 | 1976-07-08 | Kabel Metallwerke Ghh | PROCESS FOR MANUFACTURING WATER-COOLED CONTACT JAWS FOR MELTING FURNACES |
| EP0462394A1 (en) * | 1990-06-16 | 1991-12-27 | VAW Aluminium AG | Connecting element, in particular connecting rod, and method of manufacturing same |
| CN101701315A (en) * | 2009-10-30 | 2010-05-05 | 中海石油金洲管道有限公司 | Manufacturing method of submerged pipeline steel pipe |
| CN104858555A (en) * | 2015-06-10 | 2015-08-26 | 江苏力沛电力工程技术服务有限公司 | Pressure pipeline welding process |
| CN106541253A (en) * | 2017-01-18 | 2017-03-29 | 浙江鑫桦钢管有限公司 | A kind of production technology of steel pipe |
Non-Patent Citations (6)
| Title |
|---|
| 上海异型钢管厂: "《异型钢管图册》", 30 August 1977 * |
| 张应立: "《常用金属材料焊接技术手册》", 31 January 2015 * |
| 张应立: "《焊接结构生产与管理实战手册》", 31 May 2015 * |
| 张金和: "《压力管道施工》", 30 June 2015 * |
| 李更新: "《现代机械制造技术》", 30 August 2009 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814653A (en) * | 2019-11-15 | 2020-02-21 | 哈尔滨电气动力装备有限公司 | Processing technology of snap ring for asynchronous motor |
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Application publication date: 20171121 |