CN107052547A - A kind of external clamping type full-automatic pipe cutting machine - Google Patents
A kind of external clamping type full-automatic pipe cutting machine Download PDFInfo
- Publication number
- CN107052547A CN107052547A CN201710224905.0A CN201710224905A CN107052547A CN 107052547 A CN107052547 A CN 107052547A CN 201710224905 A CN201710224905 A CN 201710224905A CN 107052547 A CN107052547 A CN 107052547A
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- equiped
- cutting machine
- pipe cutting
- driving
- rotating cylinder
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Classifications
-
- 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
-
- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The present invention relates to pipe cutting machine technical field, refer in particular to a kind of external clamping type full-automatic pipe cutting machine, rotatable rotating cylinder is equiped with fixes sleeve, frame is equiped with the first drive mechanism for driving drum rotation, rotating cylinder is fixedly arranged at the front end with rotating disk, the rotating disk is equiped with least three jaw means that annular is evenly arranged, the jaw means include being fixed on the installing plate of rotating disk, be movably arranged on installing plate moves radially pawl, with the Tension gear for moving radially leading screw that pawl is connected and being fixed on leading screw outer end, rotating cylinder is equiped with the second drive mechanism for driving Tension gear to rotate, pawl is moved radially provided with rolls set, workpiece, which can also be moved forward and backward, during processing facilitates the rotation for following rotating cylinder and feeding propulsion, the place that can be cut positioned at the plasma cut portion of fixes sleeve side by the flexible running fix of support arm to needs, realize can clamping and flexible processing strip tee section be triangle or rectangle workpiece, improve production efficiency and the quality of production, it is practical.
Description
Technical field
The present invention relates to pipe cutting machine technical field, a kind of external clamping type full-automatic pipe cutting machine is referred in particular to.
Background technology
It is used for fixing processing object during machine-building, is allowed to occupy correct position, receives to construct or detect
Device, when processing workpiece on lathe, for the surface that enables workpiece reach size as defined in drawing, geometry and and other
The technical requirements such as the relative-position error on surface, workpiece must be installed positioning, clip clamping before processing, and fixture is generally by fixed
Bit unit determines that correct position, the clamping device of workpiece in fixture etc. is constituted, the external clamping type pipe cutting machine in current country facilities
Be the common traditional cutting equipment in market, clamping is inconvenient, can only fill it is round can not the side of dress, it is impossible to realize centering clamp and
Degree of precision transmits travelling workpiece, it is difficult to process the irregular workpiece of strip, and cutting method is largely cutter cutting processing essence
Degree is not high dumb, causes difficulty of processing to increase, and considerably increases the workload of workman, increases manufacturing cost.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of high-precision feeding, centering clamping degree is high and complete using manipulator
Into the external clamping type full-automatic pipe cutting machine of cutting.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：A kind of external clamping type full-automatic pipe cutting machine, bag
Including rack, plasma cut portion, for driving lowering or hoisting gear that plasma cut portion moves up and down, being fixed on the double sliding of frame
Rail, the tailstock clamping device for being movably arranged on double sided slider bar and the Feed servo system machine for driving tailstock clamping device to move forward and backward
Structure, the front end of the frame is fixedly installed fixes sleeve, it is characterised in that：Rotatable turn is equiped with the fixes sleeve
Cylinder, the frame is equiped with the first drive mechanism for driving drum rotation, and rotating cylinder is fixedly arranged at the front end with rotating disk, rotating disk dress
At least three jaw means being evenly arranged provided with annular, the jaw means include being fixed on the installing plate of rotating disk, activity installing
Pawl, the Tension gear with moving radially leading screw that pawl is connected and being fixed on leading screw outer end, described turn are moved radially in installing plate
Wound packages is provided with the second drive mechanism for being used for driving Tension gear to rotate.
It is preferred that, first drive mechanism includes for being fixed on the sprocket wheel of rotating cylinder rear end and being rotated for drive sprocket
One motor.
It is preferred that, second drive mechanism includes being fixed on the ring gear of rotating cylinder front end and for driving ring gear to rotate
The second motor, the Tension gear is connected by meshing transmission with the ring gear.
It is preferred that, the quantity of the jaw means is four, and two mutually opposing jaw means are in same perpendicular
On, stagger before and after two adjacent jaw means.
It is preferred that, described the inner for moving radially pawl is equiped with rotary rolls set.
It is preferred that, the tailstock clamping device include with double sided slider bar be connected sliding block, be fixed on sliding block tailstock pacify
Dress plate and the scroll chuck for being installed in tailstock installing plate, installing plate are equiped with driving scroll chuck and the rotating cylinder synchronous axial system
3rd motor.
It is preferred that, the frame is equiped with the rack being be arranged in parallel with double sided slider bar, and the tailstock installing plate is equiped with feeding
Gear and the feeding motor for driving feed gear wheel to rotate, the feed gear wheel are connected with rack engagement.
It is preferred that, it is equiped with front of the frame and double sided slider bar is vertically disposed moves horizontally module, the lifting dress
Put be fixed on that this moves horizontally module move horizontally portion.
It is preferred that, the lowering or hoisting gear includes being vertically arranged at the linear module in the portion of moving horizontally and the liter with linear module
The lifting seat that drop move portion is fixedly connected, the lifting seat is horizontal to be equiped with support arm and is driven for the rotation for driving support arm to rotate
Dynamic device, the plasma cut portion is installed in the outer end of support arm.
The beneficial effects of the present invention are：The invention provides a kind of external clamping type full-automatic pipe cutting machine, in actual processing mistake
Long size work can be clamped in scroll chuck, the second motor driving crown gear and in jaw means through fixes sleeve afterbody in journey
Tight meshed transmission gear realizes that moving radially pawl centering simultaneously clamps, and enhances the centering for clamping workpiece, and feeding motor can drive
Dynamic feed gear wheel realizes that degree of precision is fed with rack engaged transmission, is provided with rolls set because moving radially pawl, in process
Workpiece, which can also be moved forward and backward, facilitates the rotation for following rotating cylinder and feeding propulsion, the plasma cut portion positioned at fixes sleeve side
Can be by the flexible running fix of support arm to the place for needing to cut, realization can clamping and the irregular work of flexible processing strip
Part, improves production efficiency and the quality of production, practical.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the embodiment of the present invention one.
Fig. 2 is the plasma cut portion dimensional structure diagram of the embodiment of the present invention one.
Fig. 3 is the tailstock clamping device of the embodiment of the present invention one and the dimensional structure diagram of fixes sleeve.
Fig. 4 is part A partial enlargement structural representation in Fig. 3.
Fig. 5 is the fixes sleeve structural representation of the embodiment of the present invention one.
Fig. 6 is another viewing angle constructions schematic diagram of fixes sleeve of the embodiment of the present invention one.
Fig. 7 is the jaw means dimensional structure diagram of the embodiment of the present invention one.
Fig. 8 is the dimensional structure diagram of the second drive mechanism in the embodiment of the present invention two.
Embodiment
For the ease of the understanding of those skilled in the art, with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying is referred to not limitation of the invention.
Embodiments of the invention one as shown in Figure 1 to Figure 7 shows the, a kind of external clamping type full-automatic pipe cutting machine, including frame 6, etc.
Ion cutting part 96, for drive lowering or hoisting gear 9 that plasma cut portion 96 moves up and down, be fixed on frame 6 double sided slider bar 61,
It is movably arranged on the tailstock clamping device 7 of double sided slider bar 61 and for driving the movable Feed servo system machine of tailstock clamping device 7
Structure 8, the front end of the frame 6 is fixedly installed fixes sleeve 1, it is characterised in that：It is equiped with the fixes sleeve 1 rotatable
Rotating cylinder 2, the frame 6 is equiped with first drive mechanism 3 for driving rotating cylinder 2 to rotate, and rotating cylinder 2 is fixedly arranged at the front end with rotating disk
21, the rotating disk 21 is equiped with least three jaw means 4 that annular is evenly arranged, and the jaw means 4 include being fixed on rotating disk 21
Installing plate 41, be movably arranged on installing plate 41 move radially pawl 42, with moving radially leading screw 43 that pawl 42 is connected and fixed
Tension gear 44 in the outer end of leading screw 43, the rotating cylinder 2 is equiped with the second drive mechanism for driving Tension gear 44 to rotate
5。
The external clamping type full-automatic pipe cutting machine of the present embodiment, long size work can pass through fixes sleeve 1 during actual processing
Afterbody is clamped in scroll chuck, and the second motor driving crown gear is realized radially with the engaged transmission of Tension gear 44 in jaw means 4
The centering simultaneously of moving jaws 42 is clamped, and enhances the centering for clamping workpiece, and the electric opportunity driven feed gear wheel of feeding is nibbled with rack 62
Close transmission and realize that degree of precision is fed, because moving radially pawl 42 provided with rolls set 45, workpiece also can front and rear shifting in process
Dynamic to facilitate the rotation for following rotating cylinder 2 and feeding propulsion, the plasma cut portion 96 positioned at the side of fixes sleeve 1 can pass through support
The flexible running fix of arm 94 to the place for needing to cut, realization can clamping and flexible processing strip tee section be triangle or square
The workpiece of shape, applicability is wider.
In the present embodiment, first drive mechanism 3 includes being fixed on the sprocket wheel 31 of the rear end of rotating cylinder 2 and for drive sprocket
31 rotate the first motors, by chain drive sound it is small and transmission precision it is higher, prevent skidding completely, reliably
Property it is high.
In the present embodiment, second drive mechanism 5 includes being fixed on the ring gear 51 of the front end of rotating cylinder 2 and for driving hat
The second motor that gear 51 is rotated, the Tension gear 44 is connected by meshing transmission with the ring gear 51, realizes that transmission makes card simultaneously
Pawl centering simultaneously is clamped, and centering strengthens with clamping degree, practical.
In the present embodiment, the quantity of the jaw means 4 is four, and two mutually opposing jaw means 4 are same perpendicular
In straight plane, stagger before and after two adjacent jaw means 4, staggered clamping by mechanical structure simple realization, facilitating four
On the premise of individual jaw means 4 are installed, realize to the installation clamping function compared with pipe with small pipe diameter, it is with strong applicability.
In the present embodiment, described the inner for moving radially pawl 42 is equiped with rotary rolls set 45, due to rolls set
45 design, on the premise of workpiece is clamped by jaw means 4, can still ensure the movable of workpiece, processing component
The free degree more preferably, can realize the Pipe Cutting processing of more complicated framework, and operability is higher.
In the present embodiment, the tailstock clamping device 7 include with double sided slider bar 61 be connected sliding block 71, be fixed on sliding block
71 tailstock installing plate 72 and the scroll chuck 73 for being installed in tailstock installing plate 72, installing plate 41 are equiped with driving scroll chuck 73
With the 3rd motor of the synchronous axial system of rotating cylinder 2, the afterbody for realizing workpiece using slide rail and scroll chuck is clamped and axially moved
Dynamic processing part.
In the present embodiment, the frame 6 is equiped with the rack 62 being be arranged in parallel with double sided slider bar 61, the tailstock installing plate 72
Feed gear wheel and the feeding motor for driving feed gear wheel to rotate are equiped with, the feed gear wheel is connected with the engagement of rack 62, made
It is practical with the link enhancement feed accuracy of rack-and-pinion 62.
In the present embodiment, the front of the frame 6 is equiped with and double sided slider bar 61 is vertically disposed moves horizontally module 8, institute
That states that lowering or hoisting gear 9 is fixed on that this moves horizontally module 8 moves horizontally portion 81, realize mechanical arm up and down and move radially, increase
The flexibility for forcing work is practical.
In the present embodiment, the lowering or hoisting gear 9 includes the linear module 91 and and line for being vertically arranged at the portion of moving horizontally 81
The lifting seat 93 that the lifting moving portion 92 of property module 91 is fixedly connected, the lifting seat 93 is horizontal to be equiped with support arm 94 and for driving
The rotating driving device 95 that dynamic support arm 94 is rotated, the plasma cut portion 96 is installed in the outer end of support arm 94, passes through rotation
Turn support arm 94 realize can the complex workpiece of manufacturing procedure, improve crudy and efficiency, it is practical.
The embodiment two of present invention driving Tension gear 44 is illustrated in figure 8, is existed with the difference of above-described embodiment one
In：Second drive mechanism 5 includes being installed in the reliable near and far of frame front from the driving gear 10 of Tension gear 44 and used
The second motor rotated in driving driving wheel, when driving gear 10 close to when, one of Tension gear 44 and driving gear 10
It is connected by meshing transmission, realizes that centering one by one is clamped by way of driving the Tension gear 44 on claw one by one, in clamping process
In can also be adjusted flexibly, equally can also realize automated exchanged cutter function.
In the description of the invention, it is necessary to which explanation, for the noun of locality, if any term, " " center ", " is indulged at " laterally (X) "
To (Y) ", " vertical (Z) " " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " water
It is flat ", " top ", " bottom ", " interior ", " outer ", " clockwise ", the indicating position such as " counterclockwise " and position relationship is based on shown in accompanying drawing 1
Orientation or position relationship, be for only for ease of the narration present invention and simplify description, rather than indicate or imply signified device
Or element must have specific orientation, be constructed and operated with particular orientation, it is impossible to be interpreted as the specific protection of the limitation present invention
Scope.
In addition, be only used for describing purpose if any term " first ", " second ", and it is not intended that indicating or implying relatively heavy
The property wanted or the implicit quantity for indicating technical characteristic.Thus, defining " first ", " second " feature can express or implicit include
One or more this feature, in the present description, " several " are meant that two or more, unless otherwise clearly having
The restriction of body.
In the present invention, except as otherwise clear stipulaties and restriction, it should make if any term " assembling ", " connected ", " connection " term
Broad sense is gone to understand, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can also be that machinery connects
Connect；Can be joined directly together or be connected by intermediary, can be that two element internals are connected.For ability
For the those of ordinary skill of domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Embodiment described above only expresses some embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of external clamping type full-automatic pipe cutting machine, including frame（6）, plasma cut portion（96）, for driving plasma cut
Portion（96）The lowering or hoisting gear moved up and down（9）, be fixed on frame（6）Double sided slider bar（61）, be movably arranged on double sided slider bar（61）'s
Tailstock clamping device（7）And for driving tailstock clamping device（7）Movable feeding driving mechanism（8）, the frame（6）
Front end be fixedly installed fixes sleeve（1）, it is characterised in that：The fixes sleeve（1）Inside it is equiped with rotatable rotating cylinder
（2）, the frame（6）It is equiped with for driving rotating cylinder（2）The first drive mechanism rotated（3）, rotating cylinder（2）Be fixedly arranged at the front end with
Rotating disk（21）, the rotating disk（21）It is equiped with least three jaw means that annular is evenly arranged（4）, the jaw means（4）Including
It is fixed on rotating disk（21）Installing plate（41）, be movably arranged on installing plate（41）Move radially pawl（42）And move radially pawl
（42）The leading screw of connection（43）And it is fixed on leading screw（43）The Tension gear of outer end（44）, the rotating cylinder（2）It is equiped with for driving
Dynamic Tension gear（44）The second drive mechanism rotated（5）.
2. external clamping type full-automatic pipe cutting machine according to claim 1, it is characterised in that：First drive mechanism（3）Bag
Include and be fixed on rotating cylinder（2）The sprocket wheel of rear end（31）And for drive sprocket（31）The first motor rotated.
3. external clamping type full-automatic pipe cutting machine according to claim 1, it is characterised in that：Second drive mechanism（5）Bag
Include and be fixed on rotating cylinder（2）The ring gear of front end（51）And for driving ring gear（51）The second motor rotated, the tensioning tooth
Wheel（44）With the ring gear（51）It is connected by meshing transmission.
4. external clamping type full-automatic pipe cutting machine according to claim 1, it is characterised in that：The jaw means（4）Quantity
For four, two mutually opposing jaw means（4）On same perpendicular, two adjacent jaw means（4）Front and rear mistake
Open.
5. external clamping type full-automatic pipe cutting machine according to claim 1, it is characterised in that：It is described to move radially pawl（42）It is interior
End is equiped with rotary rolls set（45）.
6. external clamping type full-automatic pipe cutting machine according to claim 1, it is characterised in that：The tailstock clamping device（7）Bag
Include and double sided slider bar（61）The sliding block of mating connection（71）, be fixed on sliding block（71）Tailstock installing plate（72）And it is installed in tailstock peace
Fill plate（72）Scroll chuck（73）, installing plate（41）It is equiped with driving scroll chuck（73）With the rotating cylinder（2）Synchronous axial system
The 3rd motor.
7. external clamping type full-automatic pipe cutting machine according to claim 6, it is characterised in that：The frame（6）It is equiped with and double
Slide rail（61）The rack be arrangeding in parallel（62）, the tailstock installing plate（72）It is equiped with feed gear wheel and for driving feed gear wheel
The feeding motor of rotation, the feed gear wheel and rack（62）Engagement connection.
8. external clamping type full-automatic pipe cutting machine according to claim 1, it is characterised in that：The frame（6）Front installing
Have and double sided slider bar（61）It is vertically disposed to move horizontally module（8）, the lowering or hoisting gear（9）It is fixed on this and moves horizontally module
（8）Move horizontally portion（81）.
9. external clamping type full-automatic pipe cutting machine according to claim 1, it is characterised in that：The lowering or hoisting gear（9）Including perpendicular
Directly it is arranged at the portion of moving horizontally（81）Linear module（91）And with linear module（91）Lifting moving portion（92）It is fixedly connected
Lifting seat（93）, the lifting seat（93）It is horizontal to be equiped with support arm（94）And for driving support arm（94）The rotation of rotation is driven
Dynamic device（95）, the plasma cut portion（96）It is installed in support arm（94）Outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224905.0A CN107052547A (en) | 2017-04-07 | 2017-04-07 | A kind of external clamping type full-automatic pipe cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224905.0A CN107052547A (en) | 2017-04-07 | 2017-04-07 | A kind of external clamping type full-automatic pipe cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107052547A true CN107052547A (en) | 2017-08-18 |
Family
ID=59601774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710224905.0A Pending CN107052547A (en) | 2017-04-07 | 2017-04-07 | A kind of external clamping type full-automatic pipe cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107052547A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855723A (en) * | 2017-12-20 | 2018-03-30 | 无锡优耐特能源科技有限公司 | A kind of cylinder rotating base |
| CN108581277A (en) * | 2017-12-23 | 2018-09-28 | 三花亚威科电器设备（芜湖）有限公司 | A kind of heater strip draws stick welding rotating table system |
| CN111922534A (en) * | 2020-10-12 | 2020-11-13 | 广东电网有限责任公司东莞供电局 | Combined pipe cutting machine |
| CN112091384A (en) * | 2020-09-24 | 2020-12-18 | 哈尔滨科能熔敷科技有限公司 | Automatic welding machine for round tube heat-preservation nail |
| CN112620904A (en) * | 2021-01-26 | 2021-04-09 | 宁夏特鑫焊接热喷涂有限公司 | Plasma air gouging equipment for efficiently removing compression roller fatigue layer |
| CN114523219A (en) * | 2022-04-20 | 2022-05-24 | 中交三航(南通)海洋工程有限公司 | A frock clamp and pipeline laser cutting machine for pipeline laser cutting machine |
| US11338384B2 (en) | 2018-11-19 | 2022-05-24 | Beijing Jinsuohengdun Protective Equipment Co., Ltd | Numerical control plasma special-shaped cutting machine tool |
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| DE3712450C1 (en) * | 1987-04-11 | 1988-07-14 | Klaus Geb Siebel | Clamping device for workpieces |
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| CN206065682U (en) * | 2016-09-19 | 2017-04-05 | 东莞市力星激光科技有限公司 | A kind of laser cutting machine Pipe Cutting module |
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| US995006A (en) * | 1910-06-14 | 1911-06-13 | Sidney E Horton | Chuck. |
| DE2816163A1 (en) * | 1978-04-14 | 1979-10-25 | Messer Griesheim Gmbh | SELF-CENTERING CHUCK |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855723A (en) * | 2017-12-20 | 2018-03-30 | 无锡优耐特能源科技有限公司 | A kind of cylinder rotating base |
| CN108581277A (en) * | 2017-12-23 | 2018-09-28 | 三花亚威科电器设备（芜湖）有限公司 | A kind of heater strip draws stick welding rotating table system |
| US11338384B2 (en) | 2018-11-19 | 2022-05-24 | Beijing Jinsuohengdun Protective Equipment Co., Ltd | Numerical control plasma special-shaped cutting machine tool |
| CN112091384A (en) * | 2020-09-24 | 2020-12-18 | 哈尔滨科能熔敷科技有限公司 | Automatic welding machine for round tube heat-preservation nail |
| CN111922534A (en) * | 2020-10-12 | 2020-11-13 | 广东电网有限责任公司东莞供电局 | Combined pipe cutting machine |
| CN111922534B (en) * | 2020-10-12 | 2021-01-08 | 广东电网有限责任公司东莞供电局 | Combined pipe cutting machine |
| CN112620904A (en) * | 2021-01-26 | 2021-04-09 | 宁夏特鑫焊接热喷涂有限公司 | Plasma air gouging equipment for efficiently removing compression roller fatigue layer |
| CN112620904B (en) * | 2021-01-26 | 2022-09-06 | 宁夏特鑫焊接热喷涂有限公司 | Plasma air gouging equipment for efficiently removing compression roller fatigue layer |
| CN114523219A (en) * | 2022-04-20 | 2022-05-24 | 中交三航(南通)海洋工程有限公司 | A frock clamp and pipeline laser cutting machine for pipeline laser cutting machine |
| CN114523219B (en) * | 2022-04-20 | 2022-06-21 | 中交三航(南通)海洋工程有限公司 | A frock clamp and pipeline laser cutting machine for pipeline laser cutting machine |
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Application publication date: 20170818 |
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