CN114012281A - Drill bit machining equipment and machining method thereof - Google Patents
Drill bit machining equipment and machining method thereof Download PDFInfo
- Publication number
- CN114012281A CN114012281A CN202111333059.9A CN202111333059A CN114012281A CN 114012281 A CN114012281 A CN 114012281A CN 202111333059 A CN202111333059 A CN 202111333059A CN 114012281 A CN114012281 A CN 114012281A
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- drill bit
- cutting device
- laser cutting
- laser
- processing
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- 238000003754 machining Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 59
- 238000003698 laser cutting Methods 0.000 claims abstract description 47
- 238000005520 cutting process Methods 0.000 claims description 50
- 210000000078 claw Anatomy 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 229910003460 diamond Inorganic materials 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
- 230000006378 damage Effects 0.000 abstract description 16
- 238000010923 batch production Methods 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000003672 processing method Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Images
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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides drill bit machining equipment which comprises a base, a clamping device and a laser cutting device, wherein the clamping device is arranged on one side of the base, the laser cutting device is arranged above the base through a supporting column, and an X-axis moving unit and a Y-axis moving unit are arranged on the supporting column and used for driving the laser cutting device to move to machine a drill bit. The processing effect and the efficiency of the processing device on the drill bit base body are effectively improved, meanwhile, the damage to a non-processing area in the processing process is avoided, the processing precision of the drill bit base body is effectively guaranteed, batch production is facilitated, and manual labor is reduced.
Description
Technical Field
The invention relates to a drill bit processing technology, in particular to drill bit processing equipment and a processing method thereof.
Background
The drill bit is an integral part of the drilling apparatus and its main function is to break rock and form the borehole. The rotary drill bit is a drill bit commonly used in the petroleum industry at present, and can rotate under the drive of machinery, so that the whole drill bit is driven to perform centripetal motion, and rocks are cracked and broken through cutting and grinding, so that the effect of drilling downwards is achieved. The drill bit is one of main drilling equipment, and the specification and the shape of the drill bit should be different according to differences of working environments and regional environments, and when the oil drilling is carried out, the drill bit should be reasonably and scientifically selected according to specific needs and specific design schemes.
At present, the drill bits used in the petroleum industry are of various types, and the drill bits can be classified into diamond drill bits, roller cone drill bits and drag bit bits according to different drilling modes. The production and processing of the drill bit are really a complex task, and the precise angle size of the drill bit needs to be reflected, so that the stress strength of the drill bit is ensured, and the tunneling speed and the effect function in the using process are ensured; however, in the conventional method of machining a drill, the end of the drill base is cut manually or by a conventional lathe, and the cutting angle and precision are affected to different degrees, so that the subsequent use and service life of the drill are directly prolonged, and the conventional machining method has low machining efficiency and affects the machining speed and efficiency.
In the course of working, need cut the tip of drill bit base member, and the drill bit base member is the thick wall pipe mostly, and traditional processing mode limitation is very big, and when the in-process of processing drill bit tip one side, cutting device influences the integrality of the opposite side of drill bit very easily, causes the difficulty to subsequent processing, and the efficiency of its processing is very low simultaneously, and the error is big, consequently is the problem that needs to solve at present urgently.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide drill bit processing equipment and a processing method thereof, wherein the drill bit processing equipment has high processing precision, is convenient for reducing damage to the non-processed part of a drill bit base body and improves the service life and the processing efficiency.
The technical scheme of the invention is as follows: the utility model provides a drill bit processing equipment, includes base, clamping device and laser cutting device, and clamping device locates one side of base, and laser cutting device passes through the support column and installs the top at the base, be equipped with X axle mobile unit and Y axle mobile unit on the support column and be used for driving laser cutting device's removal and process the drill bit.
This scheme is effectual has solved machining efficiency and the precision problem of pipe drill bit base member, the damage to the basic non-processing position of drill bit has been reduced simultaneously, install the work piece drill bit base member on clamping device in the course of working, clamping device is used for controlling the angle of processing of adjustment drill bit pipe, clamping device cuts the processing with the tip of laser cutting device cooperation to the drill bit base member, and then the machining precision of drill bit base member tip has been guaranteed, the manual operation error has been reduced, energy through the control laser beam, guarantee the effect of cutting, can cut same position many times simultaneously, guarantee the progress of single cutting, thickness according to drill bit base member wall also can realize disposable cutting to single position, can guarantee simultaneously to reduce the damage to non-processing position, thereby the efficiency and the effect of processing have been improved.
Furthermore, the X-axis moving unit and the Y-axis moving unit are vertically arranged and are driven by the first driving motor and the second driving motor to be linked respectively. The control to the laser cutting device is effectively improved, the moving precision of the laser cutting device is improved, and the cutting precision is further ensured.
Further, the laser cutting device is installed below the X-axis moving unit. Be convenient for cut the work piece drill bit pipe, improve the facility of cutting, avoid the piece after the cutting to drop simultaneously and harm laser cutting device, avoid installing the left and right sides at the work piece with laser cutting device simultaneously, when installing in the left and right sides, the laser beam of launching can influence the damage to other equipment or spare part, influences the operation safety, avoids causing the damage to the operator.
Further, laser cutting device includes laser generator, telescopic link and laser head, and the laser head is connected to the laser generator lower extreme, and laser generator passes through the telescopic link and installs the below at X axle mobile unit. The distance between the laser head and the workpiece is adjusted through the driving of the telescopic rod, so that the cutting efficiency and effect are adjusted, and preferably, the distance between the laser head and the workpiece in the cutting process is 0.5-5 cm; preferably, the distance between the laser head and the workpiece is 0.8cm in the cutting process, so that the cutting effect is convenient to ensure; still make processing equipment be used for processing not unidimensional work piece simultaneously, when the less pipe of processing diameter, the adjustment through the telescopic link makes the interval between laser head and the work piece keep in the distance scope of processing cutting, and then guarantees the precision and the effect of cutting.
Furthermore, clamping device includes third driving motor, pneumatic cylinder and triangle claw card, and the triangle claw card is installed and is realized the centre gripping through the drive of pneumatic cylinder on the carousel, and the carousel is rotatory through third driving motor's drive. The clamping stability of the workpiece is guaranteed, meanwhile, the workpiece is always located on the axis of the workpiece, the rotating precision is guaranteed, and the machining precision is further improved.
Further, the clamping device and the laser cutting device are controlled by a controller. The controller sets a control program and sets a cutting path of the laser cutting device, so that the precision and the progress of single cutting are guaranteed, and meanwhile, the non-processing area of the drill bit base body is not damaged.
Furthermore, one side of the triangular claw is provided with a negative pressure adsorption port, and the negative pressure adsorption port is connected with a negative pressure fan through a negative pressure pipe. Guarantee the cutting environment, avoid the flue gas among the cutting process to influence laser cutting device's life, adsorb the mouth through the negative pressure and discharge the flue gas that produces among the cutting process, guaranteed the environment among the processing equipment course of working.
Furthermore, be equipped with piece take-up (stock) pan on the base, piece take-up (stock) pan is located laser cutting device under. The waste material after the cutting is convenient to collect, and meanwhile, the waste material is prevented from being accumulated in the processing equipment to influence the processing precision of the processing equipment.
A drill bit processing method adopts the processing equipment for processing and comprises the following steps:
firstly, mounting a drill bit base body on a clamping device, wherein the clamping device is used for driving the drill bit base body to rotate to adjust the cutting angle;
secondly, the laser cutting device is controlled by the controller, and the end part of the drill bit base body is cut to form a wing head through a set program and a cutting path;
and thirdly, welding the diamond compact after the end part of the drill bit substrate is finely ground.
Further, in the first step, before the drill bit base body is installed, a core rod is installed in the drill bit base body and used for blocking or filling the drill bit base body; add the filler in the inner chamber of drill bit base member, can block and completely cut off the damage to drill bit base member downside in laser cutting process, guarantee the effect of cutting at every turn, improve cutting efficiency, the core bar adopts high temperature resistant metal processing to form, and the repetitious usage of being convenient for reduces laser cutting device and cuts it.
The invention has the following characteristics: the processing effect and the efficiency of the processing device on the drill bit base body are effectively improved, meanwhile, the damage to a non-processing area in the processing process is avoided, the processing precision of the drill bit base body is effectively guaranteed, batch production is facilitated, and manual labor is reduced.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view showing the linkage of the X-axis moving unit and the Y-axis moving unit;
the laser cutting device comprises a shell 1, a laser cutting device 2, a negative pressure adsorption port 3, a support column 4, a negative pressure pipe 5, a negative pressure fan 6, a material receiving disc 7, a triangular claw clamp 8, a rotary disc 9, a controller 10, a Y-axis moving unit 11, an X-axis moving unit 12, a moving block 13, a telescopic rod 14, a laser generator 15 and a laser head 16.
Detailed Description
As shown in the attached drawings: the utility model provides a drill bit processing equipment, includes base, clamping device and laser cutting device 2, and clamping device locates one side of base, and laser cutting device 2 passes through support column 4 to be installed in the top of base, is equipped with X axle mobile unit 12 and Y axle mobile unit 11 on the support column 4 and is used for driving the removal of laser cutting device 2 and process the drill bit. Both the clamping device and the laser cutting device 2 are controlled by a controller 10. The controller 10 sets a control program and sets a cutting path of the laser cutting device 2, thereby ensuring the precision and progress of single cutting while ensuring that the non-machining region of the drill base is not damaged.
Preferably, the X-axis moving unit 12 and the Y-axis moving unit 11 are vertically disposed and driven by a first driving motor and a second driving motor, respectively. The control to the laser cutting device 2 is effectively improved, the moving precision of the laser cutting device 2 is improved, and the cutting precision is further ensured.
In the embodiment, the laser cutting apparatus 2 is installed below the X-axis moving unit 12. Be convenient for cut the work piece drill bit pipe, improve the facility of cutting, avoid the piece after the cutting to drop simultaneously and harm laser cutting device 2, avoid installing laser cutting device 2 in the left and right sides of work piece simultaneously, when installing in the left and right sides, the laser beam of launching can influence the damage to other equipment or spare part, influences the operation safety, avoids causing the damage to the operator.
This scheme is effectual has solved machining efficiency and the precision problem of pipe drill bit base member, the damage to the basic non-processing position of drill bit has been reduced simultaneously, install the work piece drill bit base member on clamping device in the course of working, clamping device is used for controlling the angle of processing of adjustment drill bit pipe, clamping device cuts the processing with the tip of laser cutting device 2 cooperations to the drill bit base member, and then the machining precision of drill bit base member tip has been guaranteed, the manual operation error has been reduced, through the energy of control laser beam, guarantee the effect of cutting, can cut same position many times simultaneously, guarantee the progress of single cutting, thickness according to drill bit base member wall also can realize disposable cutting to single position, can guarantee to reduce the damage to non-processing position simultaneously, thereby the efficiency and the effect of processing have been improved.
In the embodiment, the laser cutting device 2 comprises a laser generator 15, a telescopic rod 14 and a laser head 16, wherein the lower end of the laser generator 15 is connected with the laser head 16, and the laser generator 15 is installed below the X-axis moving unit 12 through the telescopic rod 14; preferably, a moving block 13 is arranged on the X-axis moving unit 12, the moving block 13 is driven by a driving device to move on the X-axis moving unit 12, and the telescopic rod 14 is mounted on the moving block 13; the distance between the laser head 16 and the workpiece is adjusted through the driving of the telescopic rod 14, so that the cutting efficiency and effect are adjusted, and preferably, the distance between the laser head 16 and the workpiece in the cutting process is 0.5-5 cm; preferably, the distance between the laser head 16 and the workpiece in the cutting process is 0.8cm, so that the cutting effect is convenient to ensure; meanwhile, the machining equipment is used for machining workpieces with different sizes, and when round pipes with smaller diameters are machined, the distance between the laser head 16 and the workpieces is kept within a machining and cutting distance range through adjustment of the telescopic rod 14, so that the cutting precision and effect are guaranteed.
In the embodiment, the clamping device comprises a third driving motor, a hydraulic cylinder and a triangular claw 8, the triangular claw 8 is installed on the rotary table 9 and is driven by the hydraulic cylinder to realize clamping, and the rotary table 9 is driven by the third driving motor to rotate. The clamping stability of the workpiece is guaranteed, meanwhile, the workpiece is always located on the axis of the workpiece, the rotating precision is guaranteed, and the machining precision is further improved.
In the embodiment, one side of the triangular claw 8 is provided with a negative pressure adsorption port 3, and the negative pressure adsorption port 3 is connected with a negative pressure fan 6 through a negative pressure pipe 5. Guarantee the cutting environment, avoid the flue gas among the cutting process to influence laser cutting device 2's life, adsorb the flue gas that mouthful 3 produced among the cutting process through the negative pressure and discharge, guaranteed the environment among the processing equipment course of working. Preferably, in order to improve the cutting precision and the equipment operation environment, the processing equipment is provided with the shell 1, so that the influence of external dust on the equipment is reduced.
In the embodiment, a scrap receiving disc 7 is arranged on the base, and the scrap receiving disc 7 is positioned right below the laser cutting device 2; the waste material after the cutting is convenient to collect, and meanwhile, the waste material is prevented from being accumulated in the processing equipment to influence the processing precision of the processing equipment.
The drill bit processed by the processing equipment comprises the following steps:
firstly, mounting a drill bit base body on a clamping device, wherein the clamping device is used for driving the drill bit base body to rotate to adjust the cutting angle; before the drill bit matrix is installed, a core rod is installed in the drill bit matrix and used for blocking or filling the drill bit matrix; add the filler in the inner chamber of drill bit base member, can block and completely cut off the damage to drill bit base member downside in laser cutting process, guarantee the effect of cutting at every turn, improve cutting efficiency, the core bar adopts high temperature resistant metal processing to form, and the repetitious usage of being convenient for reduces laser cutting device 2 and cuts it.
Secondly, the laser cutting device 2 is controlled by the controller 10 to cut the end part of the drill bit base body through a set program and a cutting path to form a wing head; after being processed, the shapes and the angles and radians of all the wing heads can be kept consistent, so that the processing precision of the drill bit matrix is improved, and the subsequent welding and fixing of the diamond composite sheet are facilitated;
and thirdly, welding the diamond compact after the end part of the drill bit substrate is finely ground.
The invention effectively improves the processing effect and efficiency of the processing device on the drill bit matrix, simultaneously avoids the damage to the non-processing area in the processing process, effectively ensures the processing precision of the drill bit matrix, is convenient for batch production and reduces the manual labor.
The above description is of the preferred embodiment of the present invention and the technical principles applied thereto, and it will be apparent to those skilled in the art that any changes and modifications based on the equivalent changes and simple substitutions of the technical solutions of the present invention are within the protection scope of the present invention without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a drill bit processing equipment, includes base, clamping device and laser cutting device, and clamping device locates one side of base, and laser cutting device passes through the support column and installs the top at the base, its characterized in that: and the supporting column is provided with an X-axis moving unit and a Y-axis moving unit which are used for driving the laser cutting device to move so as to process the drill bit.
2. The drill bit machining apparatus according to claim 1, wherein: the X-axis moving unit and the Y-axis moving unit are vertically arranged and are driven by the first driving motor and the second driving motor to be linked respectively.
3. The drill bit machining apparatus according to claim 2, wherein: the laser cutting device is installed below the X-axis moving unit.
4. The drill bit machining apparatus according to claim 3, wherein: laser cutting device includes laser generator, telescopic link and laser head, and the laser head is connected to the laser generator lower extreme, and laser generator passes through the telescopic link and installs the below at X axle mobile unit.
5. The drill bit machining apparatus according to claim 1, wherein: the clamping device comprises a third driving motor, a hydraulic cylinder and a triangular claw, the triangular claw is installed on the rotary table and driven by the hydraulic cylinder to realize clamping, and the rotary table is driven to rotate by the third driving motor.
6. The drill bit machining apparatus according to claim 1, wherein: the clamping device and the laser cutting device are controlled by a controller.
7. The drill bit machining apparatus according to claim 5, wherein: one side of the triangular claw is provided with a negative pressure adsorption port, and the negative pressure adsorption port is connected with a negative pressure fan through a negative pressure pipe.
8. The drill bit machining apparatus according to any one of claims 1 to 7, wherein: the base is provided with a scrap receiving disc which is positioned under the laser cutting device.
9. A drill bit machining method for machining using the machining apparatus according to any one of claims 1 to 8, comprising the steps of:
firstly, mounting a drill bit base body on a clamping device, wherein the clamping device is used for driving the drill bit base body to rotate to adjust the cutting angle;
secondly, the laser cutting device is controlled by the controller, and the end part of the drill bit base body is cut to form a wing head through a set program and a cutting path;
and thirdly, welding the diamond compact after the end part of the drill bit substrate is finely ground.
10. The drill bit machining apparatus according to claim 9, wherein: in the first step, before the drill bit base body is installed, a core rod is installed in the drill bit base body and used for blocking or filling the drill bit base body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333059.9A CN114012281A (en) | 2021-11-11 | 2021-11-11 | Drill bit machining equipment and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333059.9A CN114012281A (en) | 2021-11-11 | 2021-11-11 | Drill bit machining equipment and machining method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114012281A true CN114012281A (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111333059.9A Pending CN114012281A (en) | 2021-11-11 | 2021-11-11 | Drill bit machining equipment and machining method thereof |
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| CN (1) | CN114012281A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003156A (en) * | 2007-01-23 | 2007-07-25 | 武汉工程大学 | Hollow cylinder type drilling bit with diamond film, and preparation method |
| CN203129961U (en) * | 2012-10-18 | 2013-08-14 | 中煤科工集团西安研究院 | Right-angle groove type two-wing-type anchor bolt drill bit |
| CN105945434A (en) * | 2016-07-15 | 2016-09-21 | 浙江大学昆山创新中心 | Five-axle cutting device of laser cutter |
| WO2018201672A1 (en) * | 2017-05-04 | 2018-11-08 | 河南四方达超硬材料股份有限公司 | Laser processing method for curved polycrystalline diamond composite compact for use in oil drill bit |
| CN111215763A (en) * | 2020-02-24 | 2020-06-02 | 深圳信息职业技术学院 | Three-dimensional laser cutting and welding integrated equipment for special-shaped pipe and control method thereof |
| CN212079216U (en) * | 2020-04-21 | 2020-12-04 | 江门市中锐金刚石工具有限公司 | Diamond drill bit for forming chip grooves by using laser |
| CN213234958U (en) * | 2020-08-31 | 2021-05-18 | 安泰科技股份有限公司 | Annular diamond drill bit |
| CN113182713A (en) * | 2021-07-01 | 2021-07-30 | 徐州诺派激光技术有限公司 | Laser cutting machine tool and cutting method |
| CN214558798U (en) * | 2021-05-07 | 2021-11-02 | 蚌埠千言机械设备有限公司 | A tubular workpiece fixture for automobile welding |
-
2021
- 2021-11-11 CN CN202111333059.9A patent/CN114012281A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003156A (en) * | 2007-01-23 | 2007-07-25 | 武汉工程大学 | Hollow cylinder type drilling bit with diamond film, and preparation method |
| CN203129961U (en) * | 2012-10-18 | 2013-08-14 | 中煤科工集团西安研究院 | Right-angle groove type two-wing-type anchor bolt drill bit |
| CN105945434A (en) * | 2016-07-15 | 2016-09-21 | 浙江大学昆山创新中心 | Five-axle cutting device of laser cutter |
| WO2018201672A1 (en) * | 2017-05-04 | 2018-11-08 | 河南四方达超硬材料股份有限公司 | Laser processing method for curved polycrystalline diamond composite compact for use in oil drill bit |
| CN111215763A (en) * | 2020-02-24 | 2020-06-02 | 深圳信息职业技术学院 | Three-dimensional laser cutting and welding integrated equipment for special-shaped pipe and control method thereof |
| CN212079216U (en) * | 2020-04-21 | 2020-12-04 | 江门市中锐金刚石工具有限公司 | Diamond drill bit for forming chip grooves by using laser |
| CN213234958U (en) * | 2020-08-31 | 2021-05-18 | 安泰科技股份有限公司 | Annular diamond drill bit |
| CN214558798U (en) * | 2021-05-07 | 2021-11-02 | 蚌埠千言机械设备有限公司 | A tubular workpiece fixture for automobile welding |
| CN113182713A (en) * | 2021-07-01 | 2021-07-30 | 徐州诺派激光技术有限公司 | Laser cutting machine tool and cutting method |
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Application publication date: 20220208 |