CN107030355A - The cutting equipment and processing method of pipe communicated wire are mutually passed through suitable for different sizes - Google Patents
The cutting equipment and processing method of pipe communicated wire are mutually passed through suitable for different sizes Download PDFInfo
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- CN107030355A CN107030355A CN201710235732.2A CN201710235732A CN107030355A CN 107030355 A CN107030355 A CN 107030355A CN 201710235732 A CN201710235732 A CN 201710235732A CN 107030355 A CN107030355 A CN 107030355A
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- pattern
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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
- B23K10/00—Welding or cutting by means of a plasma
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- Plasma & Fusion (AREA)
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- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of cutting equipment that pipe communicated wire is mutually passed through suitable for different sizes, support meanss including supporting pipeline to be processed, support is installed in support meanss, pattern workbench is installed on support, motor is installed on pattern workbench, motor is connected with transmission main shaft, cross bar is fixedly connected with transmission main shaft, pilot sleeve is cased with cross bar, pilot sleeve is connected by holddown spring with burning torch support, burning torch support is connected with burning torch, pattern is provided with below the pattern workbench, pattern is provided with the arc-shaped concave with pipeline same radius to be processed；When needing to cut pipeline to be processed, cut radius is adjusted by locking device, pattern is adjusted to proper height, the top of burning torch support is located on arc-shaped concave, starts motor, pipeline to be processed is cut by burning torch.The present invention can process the intersection that different sizes mutually pass through pipeline using former, and processing is simply easy in former type face, with crudy height, the low feature of production cost.
Description
Technical field
The present invention relates to the cutting equipment and processing method that pipe communicated wire is mutually passed through suitable for different sizes, belong to processing neck
Domain.
Background technology
Intersection cutting equipment is widely used in the pipeline of the industries such as building, chemical industry, shipbuilding, mechanical engineering, metallurgy, electric power
The cutting processing of structural member.Cutting head in intersection cutting equipment has away the function of intersection track and cutting, mechanism concurrently
Run sensitivity and precise requirements are higher, so structure is relative complex, it is the core in intersection cutting equipment.
At present, in mechanical processing process, existing tubing cutting, which includes conventional mode, three types：Hand cut,
Semi auto cutting machine is cut and intersection-line cutting machine cutting three types.First kind hand cut, its advantage is flexible, behaviour
Make simple, cost is low, but hand cut is of poor quality, scale error is big, waste of material is big, following process workload big, while labor
Dynamic inclement condition, labor intensity is high, low production efficiency.Equations of The Second Kind semi auto cutting machine is cut, although reduce workman's work strong
Degree, but its function is simple, is only suitable for the part cutting of some relatively regular shapes.3rd class numerical control plasma cutting machine is cut, can
With effectively improving plate cutting efficiency, cut quality, with mitigating operator labor intensity, its principal item is：Digital control flame
Intersection-line cutting machine and digital controlling plasma intersection-line cutting machine.The former has big thickness carbon steel cutting power, and cutting expense is relatively low,
But it is big to there is cutting deformation, and cutting accuracy is not high, and cutting speed is relatively low, and cutting preheating time, aperture time are long, it is more difficult to suitable
The need for answering full-automatic operation., application scenario is limited primarily to carbon steel, big thickness plate cutting, in, the cutting of thin carbon sheet
On can be replaced by plasma cut.The latter's cutting field is wide, and cleavable all metal pipe materials, cutting speed is fast, efficiency high, cutting
Speed is up to more than 10m/min.Make cut quality close to laser cutting level using fine plasma cutting, cutting thickness surpasses
100mm is crossed, digital controlling plasma intersection cut coverage has been widened.
Equations of The Second Kind semi auto cutting machine more use formpiston control mode, formpiston structures shape in pipeline to be processed with mutually pass through pipe
The parameters such as size, the intersection location in road, with strict corresponding relation, cause the formpiston species of the intersecting pipeline of different-diameter numerous
It is many, and formpiston type face is complicated, difficulty of processing is big, governs application and the market of semi auto cutting machine.
China's mechanical industry steel pipe usage amount has reached more than 300,000,000 tons, and the cutting quantity of steel pipe is very big, with modern mechanical
Industrial expansion, is stepped up to the requirement such as efficiency and quality of tubing cutting processing, thus the market of intersection-line cutting machine is latent
Power is still very big.But, because the expenses such as price, the maintenance of intersection-line cutting machine are higher, it is contemplated that cost and benefit,
Some medium-sized and small enterprises of China are also more general using hand cut and the mode of semi-automatic cutting even in some large enterprises
Time.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of suitable for different size phases
The cutting equipment and processing method of pipe communicated wire are passed through, the intersection that different sizes mutually pass through pipeline can be processed using former,
Processing is simply easy in former type face, with crudy height, the low feature of production cost.
Technical scheme：To achieve the above object, the cutting for mutually passing through pipe communicated wire suitable for different sizes of the invention is set
It is standby, including the unit, tube support arrangement to be processed such as base, the support meanss of pipeline to be processed, mobile support, pattern workbench
It is fixed on base, mobile support is installed on base by lead screw guide rails mechanism, and pattern workbench passes through lead screw guide rails mechanism
It is installed on mobile support, motor is installed on pattern workbench, motor is connected with transmission main shaft, is fixedly connected on transmission main shaft
Have and pilot sleeve is cased with cross bar, cross bar, pilot sleeve is connected by holddown spring with burning torch support, burning torch support connects with burning torch
Connect, be provided with pilot sleeve below locking device, the pattern workbench and be provided with pattern, pattern is provided with and pipeline phase to be processed
With the arc-shaped concave of radius, the top of burning torch support is located on arc-shaped concave；When needing to cut pipeline to be processed, pass through
Locking device adjusts cut radius, and pattern is adjusted into proper height, and the top of burning torch support is located on arc-shaped concave, started
Motor, pipeline to be processed is cut by burning torch.
Preferably, the mobile support by lead screw guide rails mechanism be arranged on base on, comprising the first leading screw, first
Thick stick nut and guide rail, first leading screw are arranged on base by mounting blocks, and first feed screw nut is enclosed on the first leading screw
On, the first feed screw nut is connected with support.
Preferably, the pattern workbench is installed on mobile support by lead screw guide rails mechanism, it is provided with guide rail
Sliding block, sliding block is connected with pattern workbench, and sliding block is provided with clamping screw, and clamping screw is connected by screw thread with sliding block, support
Opposite side, which is provided with the second leading screw, the second leading screw, is provided with the second feed screw nut, and the second feed screw nut connects with pattern workbench
Connect.
Preferably, the support meanss include vee-block, depression bar, pressing plate and clamp nut, pipeline to be processed is located at V-arrangement
On block, pressing plate is located at the top of pipeline to be processed, and clamp nut is cased with depression bar, pressing plate is compressed by clamp nut.
Preferably, the cross bar is provided with scale.
A kind of processing method of the above-mentioned cutting equipment that pipe communicated wire is mutually passed through suitable for different sizes, including following step
Suddenly：
(1) suitable pattern is selected according to pipeline to be processed, and on pattern workbench, makes the through hole at pattern center
Axis is overlapped with the axis of transmission main shaft, it is necessary to according to inclined friendship is apart from e lateral adjustment pattern workbench and tightens when reducing is handed over partially
Positioning screw；
(2) pipeline clamping to be processed in place, make the axis of pipeline to be processed, arc-shaped concave on pattern axis with
And the axis of transmission main shaft is in one plane, it is ensured that the intersection track that the track of cam is just required machining for during processing；
(3) intersection cutting position is determined；
(4) position of pilot sleeve is adjusted, makes the distance between the axis of burning torch support and transmission main shaft axis equal to treating
After the radius for cutting intersection, pilot sleeve is locked；
(5) check the cam on burning torch support contacted with pattern it is errorless after, starting device power supply processes required pipeline phase
Transversal；
(6) machine, power off, cleaning equipment prepares to process next time.
Beneficial effect：Compared with prior art, the present invention has advantages below：
(1) using the principle of copying, the cutting to space pipeline intersection, Ke Yiyou are realized by the synthesis of motion
Effect solution hand cut and semi-automatic cutting labor intensity are big, be difficult accurate machining intersection and numerical control intersection cutting processing
When single size large batch of workpiece when uneconomic problem；
(2) due to carrying out intersection cutting using pattern, the profit of hand cut and both Numerical control cuttings has been coordinated well
Disadvantage, this belongs to a kind of semi-automatic cutting equipment.When the radius of pipeline to be processed is constant, when mutually passing through the radius change of pipeline, only need
Intersection cutting can directly be carried out by adjusting radius of turn；When pipe radius to be processed changes, then need to change what is be adapted to
Pattern；
(3) intersection of the orthogonal pipeline of reducing can be both processed, the intersection in the inclined traffic control road of reducing can be processed；
(4) it is simple in construction, with low cost, to working environment without particular/special requirement, coordinate quality well, economic, efficiency
Relation between three.
Brief description of the drawings
Fig. 1 is main structure diagram of the invention.
Fig. 2 is left view structural representation of the invention.
Fig. 3 is overlooking the structure diagram of the invention.
Fig. 4 is perspective structure schematic diagram of the invention.
Fig. 5 is pattern three-view diagram of the invention.
Fig. 6 is pipe radius to be processed is constant, mutually pass through the intersection of pipe radius change.
Fig. 7 is the schematic diagram for mutually passing through pipeline formation intersection.
In figure, the base 1 with support meanss, the first leading screw 2, depression bar 3, pressing plate 4, clamp nut 5, burning torch 6, holddown spring
7, locking device 8, pilot sleeve 9, burning torch support 10, sliding block 11, guide rail 12, transmission main shaft 13, motor 14, bearing 15, pattern
16, the second leading screw 17, the second feed screw nut 18, mobile support 19, vee-block 20, the first feed screw nut 21, pattern workbench 22,
Pipeline 23 to be processed, positioning screw 24.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5, the cutting equipment that pipe communicated wire is mutually passed through suitable for different sizes of the invention, including bottom
The units such as seat 1, the support meanss of pipeline to be processed, mobile support 19, pattern workbench 22.The support dress of the pipeline to be processed
Put and be made up of vee-block 20, depression bar 3, pressing plate 4, clamp nut 5, vee-block 20 and depression bar 3 are fixed on base 1, pipeline to be processed
23 are located on vee-block 20, and pressing plate 4 is located at the top of pipeline 23 to be processed, clamp nut 5 is cased with depression bar 3, by compressing spiral shell
Mother 5 compresses pressing plate 4；The mobile support 19 is installed on bottom by the first leading screw 2, the first feed screw nut 21 and another side rails
On seat 1, the pattern workbench 22 is arranged on mobile support 19 by the second leading screw 17, the second feed screw nut 18 and guide rail
Motor 14 is installed on end, pattern workbench 22, motor 14 is connected with transmission main shaft 13, and transmission main shaft 13 is installed by bearing 15
On pattern workbench 22, cross bar is fixedly connected with transmission main shaft 13；The cross bar is provided with scale, passes through the scale of cross bar
It can easily read and pilot sleeve 9 is cased with cut radius, cross bar, pilot sleeve 9 passes through holddown spring 7 and burning torch support
10 connections, burning torch support 10 is connected with burning torch 6, and locking device 8 is provided with pilot sleeve 9, and locking device 8 is set lever；
The lower section of pattern workbench 22 is provided with pattern 16, and pattern 16 is provided with the arc-shaped concave with the same radius of pipeline 23 to be processed,
The top of burning torch support 10 is located on arc-shaped concave；When needing to cut pipeline 23 to be processed, cut by the adjustment of locking device 8
Radius is cut, pattern 16 is adjusted to proper height, starts motor 14, the top of burning torch support 10 is located on arc-shaped concave, led to
Cross burning torch 6 and cut pipeline 23 to be processed.
In the present invention, the driving of motor 14 transmission main shaft 13 drives pilot sleeve 9, burning torch support 10 to make rotation fortune
Dynamic, the pilot sleeve 9 drives burning torch support 10 to slide in the horizontal direction, pact of the burning torch support 10 in pilot sleeve 9
Slided under beam in vertical direction.
As shown in figure 5, the arc radius of the pattern 16 is equal to the radius of pipeline 23 to be processed, the center of pattern 16 has one
Diameter is more than the through hole of the diameter of transmission main shaft 13, it is to avoid interference is produced when transmission main shaft 13 is rotated.As shown in fig. 6, when to be processed
The radius of pipeline 23 is constant, when mutually passing through the radius change of pipeline, and the intersection of formation is a hyp part, is and pipe to be processed
The equal circular arc of the radius of road 23.The curved surface of formpiston needs to meet the hyperbola line style of front view, and the present invention combines its left view
With the line style of top view, it is proposed that using former as the semi-automatic cutting equipment of pattern 16.As shown in fig. 7, two pipelines are intersecting, work as R1
<During R2 and e=0, two pipelines are that reducing is orthogonal；Work as R1<R2 and 0<e<During R2-R1, two pipelines are that reducing is handed over partially.
In the present invention, pattern workbench bag contains body and support frame, and support frame is slided by leading screw and sliding block, support frame
Penetrate provided with U-type groove, body is connected by positioning screw with support frame, after the position for adjusting body, body leads to support frame
Cross positioning screw connection.
A kind of processing method of the above-mentioned cutting equipment that pipe communicated wire is mutually passed through suitable for different sizes, including following step
Suddenly：
(1) suitable pattern 16 is selected according to pipeline 23 to be processed, and on pattern workbench 22, Orthogonal Intersection
During cutting, the through-bore axis at the center of pattern 16 is overlapped with the axis of transmission main shaft 13, when reducing is handed over partially, it is necessary to according to it is inclined hand over away from
From e lateral adjustment patterns workbench 22 and screwed in place screw 24；
(2) the clamping of pipeline 23 to be processed in place, the axis of pipeline 23 to be processed, arc-shaped concave on pattern 16 are made
The axis of axis and transmission main shaft 13 is in one plane, it is ensured that the intersection that the track of cam is just required machining for during processing
Track；
(3) intersection cutting position is determined；
(4) position of pilot sleeve 9 is adjusted, makes the distance between axis and the axis of transmission main shaft 13 of burning torch support 10 etc.
In after the radius of intersection to be cut, pilot sleeve 9 is locked；
(5) check the cam on burning torch support 10 contacted with pattern 16 it is errorless after, starting device power supply processes required pipe
Road intersection；
(6) machine, power off, cleaning equipment prepares to process next time.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of cutting equipment that pipe communicated wire is mutually passed through suitable for different sizes, it is characterised in that：Including supporting pipe to be processed
The support meanss in road, are provided with support, support in support meanss and are provided with pattern workbench, and electricity is provided with pattern workbench
Machine, motor is connected with transmission main shaft, is fixedly connected with transmission main shaft on cross bar, cross bar and is cased with pilot sleeve, and pilot sleeve leads to
Cross holddown spring to be connected with burning torch support, burning torch support is connected with burning torch, locking device, the pattern are installed on pilot sleeve
Pattern is provided with below workbench, pattern is provided with the arc-shaped concave with pipeline same radius to be processed, the top position of burning torch support
In on arc-shaped concave；When needing to cut pipeline to be processed, cut radius is adjusted by locking device, pattern is adjusted to close
Suitable height, the top of burning torch support is located on arc-shaped concave, starts motor, pipeline to be processed is cut by burning torch.
2. the cutting equipment according to claim 1 that pipe communicated wire is mutually passed through suitable for different sizes, it is characterised in that：Institute
State support to be arranged in support meanss by mobile device, the mobile device includes the first leading screw and the first feed screw nut, institute
State the first leading screw to be arranged in support meanss by mounting blocks, first feed screw nut is enclosed on the first leading screw, the first leading screw
Nut is connected with movable plate, and support is arranged on movable plate.
3. the cutting equipment according to claim 1 that pipe communicated wire is mutually passed through suitable for different sizes, it is characterised in that：Institute
The side for stating support is provided with guide rail, guide rail and is provided with sliding block, and sliding block is connected with pattern workbench, and sliding block is provided with locking screw
Bolt, clamping screw is connected by screw thread with sliding block, and support opposite side is provided with the second leading screw, the second leading screw and is provided with second
Thick stick nut, the second feed screw nut is connected with pattern workbench.
4. the cutting equipment according to claim 1 that pipe communicated wire is mutually passed through suitable for different sizes, it is characterised in that：Institute
State support meanss and include vee-block and pressure strip, pipeline to be processed is located on vee-block, and pressure strip is located at the top of pipeline to be processed,
Compressing pipe is installed on vee-block, compressing pipe passes through pressure strip, clamp nut is cased with compressing pipe, will by clamp nut
Pressure strip is compressed.
5. the cutting equipment according to claim 1 that pipe communicated wire is mutually passed through suitable for different sizes, it is characterised in that：Institute
Cross bar is stated provided with scale.
6. a kind of being applied to as described in any one of claim 1 to 5 is different sizes mutually pass through the cutting equipment of pipe communicated wire
Processing method, it is characterised in that comprise the following steps：
(1) suitable pattern is selected according to pipeline to be processed, and on pattern workbench, makes the through-bore axis at pattern center
Overlap, when reducing is handed over partially, handed over according to inclined apart from e lateral adjustment pattern workbench and screwed in place spiral shell with the axis of transmission main shaft
Nail；
(2) pipeline clamping to be processed in place, the axis of pipeline to be processed, the axis of arc-shaped concave on pattern and biography are made
The axis of dynamic main shaft is in one plane；
(3) intersection cutting position is determined；
(4) position of pilot sleeve is adjusted, makes the distance between the axis of burning torch support and transmission main shaft axis equal to be cut
After the radius of intersection, pilot sleeve is locked；
(5) check burning torch support on cam contacted with pattern it is errorless after, starting device power supply processes required pipe communicated wire；
(6) machine, power off, cleaning equipment prepares to process next time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235732.2A CN107030355A (en) | 2017-04-12 | 2017-04-12 | The cutting equipment and processing method of pipe communicated wire are mutually passed through suitable for different sizes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235732.2A CN107030355A (en) | 2017-04-12 | 2017-04-12 | The cutting equipment and processing method of pipe communicated wire are mutually passed through suitable for different sizes |
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| CN107030355A true CN107030355A (en) | 2017-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710235732.2A Pending CN107030355A (en) | 2017-04-12 | 2017-04-12 | The cutting equipment and processing method of pipe communicated wire are mutually passed through suitable for different sizes |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107813280A (en) * | 2017-12-13 | 2018-03-20 | 鲁东大学 | A kind of line of cut design aids for bottle art cutting |
| CN110091061A (en) * | 2019-06-10 | 2019-08-06 | 武夷学院 | A kind of simple laser intersection-line cutting machine |
| CN110253122A (en) * | 2019-06-25 | 2019-09-20 | 宁德师范学院 | A kind of simple type rotating plasma cutter |
| CN110340504A (en) * | 2019-07-19 | 2019-10-18 | 集美大学诚毅学院 | A kind of pipe communicated wire cutting device |
| CN110405329A (en) * | 2019-09-05 | 2019-11-05 | 福州大学 | Multi-angle rotary plasma cutter and application method |
| CN110883889A (en) * | 2019-11-26 | 2020-03-17 | 西安建筑科技大学 | Device for making original bamboo fish mouth-shaped notch |
| CN111185653A (en) * | 2020-03-13 | 2020-05-22 | 福建工程学院 | Pipe intersecting line plasma profile cutting device and machining method thereof |
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| CN111730258A (en) * | 2020-06-28 | 2020-10-02 | 中国三冶集团有限公司 | Round hole opening tool and hole opening operation method |
| CN113199112A (en) * | 2021-05-17 | 2021-08-03 | 深圳泰德激光科技有限公司 | Method for welding intersecting lines of pipes |
| CN114226909A (en) * | 2021-12-03 | 2022-03-25 | 渤海造船厂集团有限公司 | Profiling machining device and method for cylindrical steel structure |
| CN114799368A (en) * | 2022-04-21 | 2022-07-29 | 湖南理工职业技术学院 | Curve cutting caliber adjusting device for gear machining |
| CN116604156A (en) * | 2023-07-21 | 2023-08-18 | 河北方泉管道装备有限公司 | Plasma cutting machine for tee joint production and use method thereof |
| CN116967627A (en) * | 2023-08-21 | 2023-10-31 | 南通柯瑞特机械制造有限公司 | Pipe fitting cutting equipment is used in vacuum equipment production |
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| CN107813280B (en) * | 2017-12-13 | 2023-09-05 | 鲁东大学 | Cutting line aided design tool for artistic cutting of bottles |
| CN107813280A (en) * | 2017-12-13 | 2018-03-20 | 鲁东大学 | A kind of line of cut design aids for bottle art cutting |
| CN110091061A (en) * | 2019-06-10 | 2019-08-06 | 武夷学院 | A kind of simple laser intersection-line cutting machine |
| CN110091061B (en) * | 2019-06-10 | 2021-02-05 | 武夷学院 | Simple laser intersecting line cutting machine |
| CN110253122A (en) * | 2019-06-25 | 2019-09-20 | 宁德师范学院 | A kind of simple type rotating plasma cutter |
| CN110253122B (en) * | 2019-06-25 | 2024-02-06 | 宁德师范学院 | Simple rotary plasma cutter |
| CN110340504B (en) * | 2019-07-19 | 2021-06-18 | 集美大学诚毅学院 | Pipeline intersecting line cutting device |
| CN110340504A (en) * | 2019-07-19 | 2019-10-18 | 集美大学诚毅学院 | A kind of pipe communicated wire cutting device |
| CN110405329A (en) * | 2019-09-05 | 2019-11-05 | 福州大学 | Multi-angle rotary plasma cutter and application method |
| CN110405329B (en) * | 2019-09-05 | 2024-03-01 | 福州大学 | Multi-angle rotary plasma cutting device and use method thereof |
| CN110883889B (en) * | 2019-11-26 | 2021-09-17 | 西安建筑科技大学 | Device for making original bamboo fish mouth-shaped notch |
| CN110883889A (en) * | 2019-11-26 | 2020-03-17 | 西安建筑科技大学 | Device for making original bamboo fish mouth-shaped notch |
| CN111185653A (en) * | 2020-03-13 | 2020-05-22 | 福建工程学院 | Pipe intersecting line plasma profile cutting device and machining method thereof |
| CN111250843A (en) * | 2020-03-14 | 2020-06-09 | 江门市翔之辉金属制品有限公司 | Argon arc welding explorator linear automatic welding machine |
| CN111730258A (en) * | 2020-06-28 | 2020-10-02 | 中国三冶集团有限公司 | Round hole opening tool and hole opening operation method |
| CN111730258B (en) * | 2020-06-28 | 2022-03-22 | 中国三冶集团有限公司 | Round hole opening tool and hole opening operation method |
| CN113199112A (en) * | 2021-05-17 | 2021-08-03 | 深圳泰德激光科技有限公司 | Method for welding intersecting lines of pipes |
| CN114226909A (en) * | 2021-12-03 | 2022-03-25 | 渤海造船厂集团有限公司 | Profiling machining device and method for cylindrical steel structure |
| CN114226909B (en) * | 2021-12-03 | 2023-08-11 | 渤海造船厂集团有限公司 | Profiling device and method for cylindrical steel structure |
| CN114799368B (en) * | 2022-04-21 | 2024-01-26 | 湖南理工职业技术学院 | Curve cutting caliber adjusting device for gear machining |
| CN114799368A (en) * | 2022-04-21 | 2022-07-29 | 湖南理工职业技术学院 | Curve cutting caliber adjusting device for gear machining |
| CN116604156A (en) * | 2023-07-21 | 2023-08-18 | 河北方泉管道装备有限公司 | Plasma cutting machine for tee joint production and use method thereof |
| CN116604156B (en) * | 2023-07-21 | 2023-09-12 | 河北方泉管道装备有限公司 | Plasma cutting machine for tee joint production and use method thereof |
| CN116967627A (en) * | 2023-08-21 | 2023-10-31 | 南通柯瑞特机械制造有限公司 | Pipe fitting cutting equipment is used in vacuum equipment production |
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Application publication date: 20170811 |