CN102896356A - Inner drilling device for processing thin-wall tube member - Google Patents
Inner drilling device for processing thin-wall tube member Download PDFInfo
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- CN102896356A CN102896356A CN2012103375594A CN201210337559A CN102896356A CN 102896356 A CN102896356 A CN 102896356A CN 2012103375594 A CN2012103375594 A CN 2012103375594A CN 201210337559 A CN201210337559 A CN 201210337559A CN 102896356 A CN102896356 A CN 102896356A
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Abstract
The invention discloses an inner drilling device for processing a thin-wall tube member. The inner drilling device comprises a cutter feeding device for achieving vertical drilling from inside to outside and a sliding base device for driving a clamped processing member to slide in linear mode. The processing member is a thin-wall tube member, and the cutter feeding device comprises a pneumatic angular drill, a center regulating bearing base for fixing and performing swinging center adjusting on the pneumatic angular drill and a threaded pneumatic cylinder, wherein the pneumatic angular drill comprises a drill bit and a drill rod, and the drill bit can extend into the inner tube of the processing member; a center regulating bearing is embedded into the center regulating bearing base, and the drill rod is sleeved in a bearing hole of the center regulating bearing in penetrating mode; and the threaded pneumatic cylinder is used for controlling the drill rod to swing with the center regulating bearing base as the lever fulcrum to enable the drill bit to perform drilling. The inner drilling device can achieve the drilling depth of inner hole drilling accurately and prevents the inner tube of the thin-wall tube member from deforming during processing, the processing process can be finished in one step, the processing procedure is easy, and the hole forming accuracy is high.
Description
Technical field
The present invention relates to a kind of internal drilling device, relate to especially a kind of internal drilling device for processing thin-walled barrier part.
Background technology
The cylinder barrel part oil through of automobile steering device, its common processing method are with drilling machine boring, then repair deburring with pneumatic tool, and be compressing on press with ball type wheel reconditioning inner orifice shape or employing ball swage again.Need minute three processing although above-mentioned processing method is feasible, and repairing burr with pneumatic tool easily produces the inner wall of cylinder plucking by hand, the compressing cylinder barrel that may cause again is out of shape on press.Therefore need to seek a kind of method and solve above-mentioned technical barrier.
Summary of the invention
The technical problem to be solved in the present invention is for the internal drilling processing poor efficiency that overcomes prior art and easily causes the defective of the inner core distortion of thin-walled workpiece, provides a kind of inner core distortion that neither can cause workpiece can accurately realize again the internal drilling device that is used for processing thin-walled barrier part of boring requirement.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of internal drilling device for processing thin-walled barrier part, its characteristics be, it comprises:
One is used for realizing the from inside to outside feed arrangement of vertical drilling, and a slide carriage device for the workpiece straight line slippage that drives clamping; Described workpiece is a thin-wall barrel; Wherein, described feed arrangement comprises:
One pneumatic angular drill comprises a drill bit and a drilling rod, and described drill bit is scalable to be advanced in the inner core of workpiece;
One is used for pneumatic angular drill is swung the regulating center bearing base of aligning, is embedded a self-aligning bearing in the described regulating center bearing base, and described drilling rod wears mutually with the dead eye of self-aligning bearing;
One is used for controlling described drilling rod swings up and down the screw thread pneumatic linear actuator of realizing bit bore take regulating center bearing base as balance pivot.
Preferably, described screw thread pneumatic linear actuator comprises a screw thread urceolus, and described screw thread pneumatic linear actuator is spirally connected by the base of described screw thread urceolus and regulating center bearing base.
Preferably, described feed arrangement comprises that also one is used for spurring the extension spring that described screw thread pneumatic linear actuator resets, and an end of described extension spring and the bottom of screw thread urceolus are affixed, and the base of the other end and described regulating center bearing base is affixed.
Preferably, described feed arrangement also comprises the stop nut of a keyhole degree of depth.
Preferably, described screw thread pneumatic linear actuator comprises that also one is used for the pneumatic throttle of keyhole speed.
Preferably, the orifice shapes of the endoporus to be processed of the shape of described drill bit and workpiece adapts.
Preferably, the material of described drill bit is the wolfram steel material.
Preferably, described slide carriage device comprises:
One is slidingly arranged in the slide plate on the base station;
Two are fixed in the bottom of described slide plate and spaced and parallel slides and is laid on guide rail on the base station;
One is arranged on clamping workpiece device on the slide plate and parallel the clamping workpiece with the direction of motion of slide plate for the edge.
Preferably, described clamping workpiece device comprises: be used for the top of difference sandwiched workpiece and one first support, one second support of tail end, wherein, described the first support is provided with the perforation that a drill bit that is used for the pneumatic angular drill of confession stretches into the inner core of workpiece, activity is embedded with a push rod in described the second support, and described push rod is also affixed with a drawing handle.
Preferably, described clamping workpiece device also comprises: a Compress Spring, described push rod comprises: an interior bar section that wears mutually with described the second support, and an outer bar section that is used for the sandwiched workpiece, described Compress Spring is set on the bar axle that is positioned at the second support of interior bar section.
Preferably, the outer bar section of described push rod is provided with one and is used for the spacing round platform that the inner core with workpiece is nested.
Preferably, described drawing handle and interior bar section to stretch out the outer rod end of the second support affixed.
Preferably, one side of described slide plate is interval with one and is used for guaranteeing that first draw-in groove, of end face position that starting point when workpiece moves is in the top of workpiece is used for guaranteeing that workpiece moves to the second draw-in groove of the first endoporus to be bored from described top, and the distance between described the first draw-in groove to the second draw-in groove equals the top end face of workpiece to the distance of the first endoporus to be bored; Described slide carriage device comprises that also one is used for the positioner of the feed position of control drill bit, and described positioner comprises that one is used for embedding the position fixing handle that inserted link and in the draw-in groove is used for the described inserted link of plug, and described inserted link is with position fixing handle that L-type is vertical to be connected.
Preferably, the side that described slide plate is provided with described the first draw-in groove, the second draw-in groove also is provided with one the 3rd draw-in groove, and the distance between described the 3rd draw-in groove to the second draw-in groove equals the distance between first endoporus to the second endoporus to be bored.
Preferably, described the first draw-in groove, the second draw-in groove, the 3rd draw-in groove are a V-type groove that is meshed with the conehead of described inserted link.
On the basis that meets this area general knowledge, above-mentioned each optimum condition, but any combination namely get each preferred embodiment of the present invention.
Positive progressive effect of the present invention is: adopts the present invention, can accurately realize the drilling depth of internal drilling, and the inner core of thin-wall part distortion in avoiding again processing, and process once finishes, and operation is simple, and pore-forming accuracy is high.
Description of drawings
Fig. 1 is the assembly structure figure of internal drilling device of the present invention when processing thin-walled barrier part.
Fig. 2 is the partial sectional view of the feed arrangement part of pneumatic angular drill of the present invention.
Fig. 3 is the slide carriage device partial sectional view partly for to be processed of clamping of the present invention.
Fig. 4 is the left view of Fig. 3.
The specific embodiment
Mode below by embodiment further specifies the present invention, but does not therefore limit the present invention among the described scope of embodiments.
Embodiment
As shown in Figures 1 to 4, a kind of internal drilling device for processing thin-walled barrier part provided by the invention, mainly by the feed arrangement 1 of pneumatic angular drill and clamping workpiece 3(hereinafter to be referred as workpiece) slide carriage device 2 two parts form.The installation of pneumatic angular drill 11 be with the self-aligning bearing 13 of pneumatic angular drill 11 in the regulating center bearing base 12 as balance pivot, be installed on the regulating center bearing base 12, the rear portion of pneumatic angular drill 11 is by the screw thread pneumatic linear actuator 14 realization bit bore that moves up and down.Screw thread pneumatic linear actuator in the present embodiment, pneumatic angular drill all can adopt respectively screw thread pneumatic linear actuator commonly known in the art and pneumatic angular drill to realize, therefore, therefore not to repeat here for this part.
Pneumatic angular drill 11 is fixed on the regulating center bearing base 12, comprises a special forming drill and a drilling rod, and special forming drill clamping is on the drilling rod of pneumatic angular drill 11.Be embedded a self-aligning bearing 13 that is used for pneumatic angular drill 11 alignings in the regulating center bearing base 12.Drilling rod wears mutually with the dead eye of self-aligning bearing 13; Drill bit is scalable to be advanced in the inner core of workpiece.Rear portion at pneumatic angular drill 11 moves up and down by screw thread pneumatic linear actuator 14, and the realization drill bit is from inside to outside holed.
The feed campaign of drill bit is a lever pendular motion of doing by self-aligning bearing 13, the pendulum angle of drill bit swings up and down by a small margin with the aligning angle of self-aligning bearing, can make like this drill bit can get out again the endoporus of certain angle, be unlikely to again to depart from the direction of vertical drilling.
Screw thread pneumatic linear actuator 14 wherein comprises a screw thread urceolus, and by this screw thread urceolus, screw thread pneumatic linear actuator 14 is spirally connected with the base 121 of regulating center bearing base 12.
Feed arrangement also comprises an extension spring 15, and an end of extension spring 15 and the bottom of screw thread urceolus are affixed, and the base 121 of the other end and regulating center bearing base 12 is affixed, is used for pulling screw thread pneumatic linear actuator and resets.
The screw thread urceolus of the degree of depth of boring by screw thread pneumatic linear actuator 14, and the stop nut 16 that is fixed on the piston rod of screw thread pneumatic linear actuator 14 adjusts, the speed of boring is controlled by pneumatic throttle.Wherein, the shape of special forming drill is to require to make according to the work piece inner surface aperture, can select the wolfram steel material, improves bit life.
Slide carriage device of the present invention comprises: a slide plate 21 that slide to arrange, slide plate 21 by spaced and parallel be installed in guide rail 22 on the base station 28 can be on base station 28 horizontal sliding; One be arranged on the slide plate 21 and be used for clamping workpiece device with self-aligning bearing 13 concentric clamping workpieces.The clamping workpiece device comprises: be used for the top 31 of difference sandwiched workpiece and one first support 23, one second support 24 of tail end 32, wherein, the first support 23 is provided with the perforation that a drill bit that is used for the pneumatic angular drill 11 of confession stretches into the inner core of workpiece, the second support 24 interior telescopicallies are embedded with a push rod 25, and the rod end that stretches out the second support 24 of push rod 25 and a drawing handle 27 are affixed.Push rod 25 comprises: an interior bar section that wears mutually with the second support 24, and an outer bar section that is used for the sandwiched workpiece, Compress Spring 26 is set on the bar axle that is positioned at the second support 24 of interior bar section.The outer bar section of push rod 25 is provided with one and is used for the spacing round platform 251 that the tail end 32 with the inner core workpiece is nested.
During the slide carriage device clamping workpiece, should make the inner core center line of workpiece parallel with the direction of motion of slide.In addition, should be able to guarantee that also the drill bit that stretches in the cylinder just contacts with the tube inner surface of workpiece.Clamping workpiece clamps by Compress Spring 26 on slide carriage device, and such clamping is very simple and convenient.
One side of slide plate 21 is interval with one and be used for guarantees that first draw-in groove 41, of end face position that starting point when mobile is in the top 31 of workpiece is used for guaranteeing that the workpiece distance that 31 end face moves to 42 of the second draw-in groove 42, the first draw-in grooves 41 to second draw-in grooves of the first endoporus 51 to be bored from the top equals the distance of top end face to the first endoporus 51 of workpiece.If also will bore second endoporus, then slide plate is provided with and the first draw-in groove 41, the second draw-in groove 42 homonymies 1 the 3rd draw-in groove 43.The distance that the 3rd draw-in groove 43 to second draw-in grooves are 42 equals the distance between the first endoporus 51 to second endoporus 52 to be bored.
Slide carriage device comprises that also one is used for the positioner of the feed position of control drill bit, comprises that one is used for embedding the position fixing handle 62 that inserted link 61 and in the draw-in groove is used for plug inserted link 61, and inserted link 61 is with position fixing handle 62 that L-type is vertical to be connected.The first draw-in groove 41, the second draw-in groove 42, the 3rd draw-in groove 43 are a V-type groove that is meshed with the conehead of inserted link 61.
The manual slide that promotes moves by line slideway, the size of workpiece be endoporus to be processed to the distance of the top end face of workpiece, the distance that reaches between two endoporus to be bored can guarantee by three draw-in grooves and positioner.
The present invention is applicable to the internal drilling of all thin-walled machine components, is particularly useful for having between two endoporus the situation of angle or processing blind hole.
The below illustrates the boring procedure of apparatus of the present invention take a kind of machine components of automobile steering device as example.
As shown in Figures 1 to 4, pneumatic angular drill 11 is fixed on the regulating center bearing base 12, and 14 air inlets of screw thread pneumatic linear actuator eject.Pneumatic angular drill 11 makes drill bit move downward and realizes boring take self-aligning bearing 13 as fulcrum.After boring was finished, screw thread pneumatic linear actuator 14 withdrawed from, and two is connecting respectively the extension spring 15 of screw thread pneumatic linear actuator 14 and regulating center bearing base base with the drilling rod partial reset of pneumatic angular drill.And for the degree of depth of keyhole better, before drilling operation, drilling depth that can be is as required adjusted stop nut 16 the maximum compression stroke limiting of screw thread pneumatic linear actuator is good.Such as, be arranged between the 1mm to 3mm, so just realized according to the adjustment of the degree of depth of holing to the compression travel of pneumatic linear actuator.
Shown in Fig. 1-4, outside (if when seeing over against paper for to the right) pulling drawing handle 27, Compress Spring 26 is pushed, and then the top 31 of workpiece is clamped in the groove on the first support 23.Unclamp drawing handle 27, Compress Spring 26 ejects push rod 25, is against in the cylindrical shell of tail end 32 of workpiece, by the elastic compression workpiece.
Unclamp position fixing handle 62, the inserted link 61 that is stuck in the first draw-in groove 41 that drive links to each other with position fixing handle 62 is extracted, at this moment can (left side at this place be the left direction during over against drawing to the left with hand propelled slide plate 21, in like manner, the right side also is the right direction during over against drawing, hereinafter repetition of explanation no longer) slippage.Workpiece slippage to be needed when making the position of drill bit the first endoporus 51 to be processed, is inserted position fixing handle 62 again, and inserted link 61 and the second draw-in groove 42 are embedded, and with slide plate 21 location, then begins to bore the first endoporus 51.
After the first endoporus 51 processes, withdraw from drill bit.Simultaneously, unclamp position fixing handle 62, promote again slide plate 21 and continue slippage left, when treating the position of the second endoporus 52 that the need of drill bit workpiece bore, insert again position fixing handle 62, inserted link 61 and the 3rd draw-in groove 43 are embedded, thereby again with the workpiece location, begin to bore the second endoporus 52.After boring the second endoporus 52, withdraw from drill bit, unclamp position fixing handle 62, pull with hand slide plate 21 to right-hand reduction of spondylolisthesis, then the processing of two of thin-wall barrel endoporus is all finished.
The present invention is particularly useful in thin-wall barrel working depth and is 1mm to the endoporus between the 3mm, and can accurately hole.The present invention can also realize that take self-aligning bearing as lever aligning swings when realizing pneumatic angular drill vertical drilling.
In addition, the present invention can also realize a plurality of have the each other endoporus of certain angle or the accurate processing of blind hole.Such as, can be by increase by cover angle positioning device commonly known in the art or an indexing means at the first support place, simultaneously set up the bearing that a cover is used for rotating workpiece at the second support and realize the angle clamping of workpiece, so realize not on same center line, the processing of a plurality of endoporus of the certain angle of tool.But also save the multiple working procedure of processing, improved the working (machining) efficiency of endoporus.Above-mentioned clamping angle positioning device or indexing means part can adopt the technical scheme of prior art to realize, therefore specifically how clamping angle positioning device part therefore not to repeat here.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art can make various changes or modifications to these embodiments under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.
Claims (15)
1. an internal drilling device that is used for processing thin-walled barrier part is characterized in that, it comprises:
One is used for realizing the from inside to outside feed arrangement of vertical drilling, and a slide carriage device for the workpiece straight line slippage that drives clamping; Described workpiece is a thin-wall barrel; Wherein, described feed arrangement comprises:
One pneumatic angular drill comprises a drill bit and a drilling rod, and described drill bit is scalable to be advanced in the inner core of workpiece;
One is used for pneumatic angular drill is swung the regulating center bearing base of aligning, is embedded a self-aligning bearing in the described regulating center bearing base, and described drilling rod wears mutually with the dead eye of self-aligning bearing;
One is used for controlling described drilling rod swings up and down the screw thread pneumatic linear actuator of realizing bit bore take regulating center bearing base as balance pivot.
2. internal drilling device as claimed in claim 1 is characterized in that, described screw thread pneumatic linear actuator comprises a screw thread urceolus, and described screw thread pneumatic linear actuator is spirally connected by the base of described screw thread urceolus and regulating center bearing base.
3. internal drilling device as claimed in claim 2, it is characterized in that, described feed arrangement comprises that also one is used for spurring the extension spring that described screw thread pneumatic linear actuator resets, and an end of described extension spring and the bottom of screw thread urceolus are affixed, and the base of the other end and described regulating center bearing base is affixed.
4. internal drilling device as claimed in claim 3 is characterized in that, described feed arrangement also comprises the stop nut of a keyhole degree of depth.
5. internal drilling device as claimed in claim 4 is characterized in that, described screw thread pneumatic linear actuator comprises that also one is used for the pneumatic throttle of keyhole speed.
6. internal drilling device as claimed in claim 1 is characterized in that, the orifice shapes of the shape of described drill bit and the endoporus to be processed of workpiece adapts.
7. internal drilling device as claimed in claim 6 is characterized in that, the material of described drill bit is the wolfram steel material.
8. such as the described internal drilling device of any one in the claim 1 to 7, it is characterized in that, described slide carriage device comprises:
One is slidingly arranged in the slide plate on the base station;
Two are fixed in the bottom of described slide plate and spaced and parallel slides and is laid on guide rail on the base station;
One is arranged on clamping workpiece device on the slide plate and parallel the clamping workpiece with the direction of motion of slide plate for the edge.
9. internal drilling device as claimed in claim 10, it is characterized in that, described clamping workpiece device comprises: be used for the top of difference sandwiched workpiece and one first support, one second support of tail end, wherein, described the first support is provided with the perforation that a drill bit that is used for the pneumatic angular drill of confession stretches into the inner core of workpiece, activity is embedded with a push rod in described the second support, and described push rod is also affixed with a drawing handle.
10. internal drilling device as claimed in claim 9, it is characterized in that, described clamping workpiece device also comprises: a Compress Spring, described push rod comprises: an interior bar section that wears mutually with described the second support, and an outer bar section that is used for the sandwiched workpiece, described Compress Spring is set on the bar axle that is positioned at the second support of interior bar section.
11. internal drilling device as claimed in claim 10 is characterized in that, the outer bar section of described push rod is provided with one and is used for the spacing round platform that the inner core with workpiece is nested.
12. internal drilling device as claimed in claim 11 is characterized in that, described drawing handle and interior bar section to stretch out the outer rod end of the second support affixed.
13. internal drilling device as claimed in claim 8, it is characterized in that, one side of described slide plate is interval with one and is used for guaranteeing that first draw-in groove, of end face position that starting point when workpiece moves is in the top of workpiece is used for guaranteeing that workpiece moves to the second draw-in groove of the first endoporus to be bored from described top, and the distance between described the first draw-in groove to the second draw-in groove equals the top end face of workpiece to the distance of the first endoporus to be bored; Described slide carriage device comprises that also one is used for the positioner of the feed position of control drill bit, and described positioner comprises that one is used for embedding the position fixing handle that inserted link and in the draw-in groove is used for the described inserted link of plug, and described inserted link is with position fixing handle that L-type is vertical to be connected.
14. internal drilling device as claimed in claim 13 is characterized in that, described slide plate also is provided with one the 3rd draw-in groove, and described the first draw-in groove, the second draw-in groove and the 3rd draw-in groove are positioned at the same side of slide plate; Distance between described the 3rd draw-in groove to the second draw-in groove equals the distance between first endoporus to the second endoporus to be bored.
15. internal drilling device as claimed in claim 14 is characterized in that, described the first draw-in groove, the second draw-in groove, the 3rd draw-in groove are a V-type groove that is meshed with the conehead of described inserted link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210337559.4A CN102896356B (en) | 2012-09-12 | 2012-09-12 | Inner drilling device for processing thin-wall tube member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210337559.4A CN102896356B (en) | 2012-09-12 | 2012-09-12 | Inner drilling device for processing thin-wall tube member |
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| CN102896356A true CN102896356A (en) | 2013-01-30 |
| CN102896356B CN102896356B (en) | 2014-07-16 |
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| CN201210337559.4A Expired - Fee Related CN102896356B (en) | 2012-09-12 | 2012-09-12 | Inner drilling device for processing thin-wall tube member |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103381493A (en) * | 2013-06-25 | 2013-11-06 | 天长市天翔集团有限公司 | Drilling device used for processing automobile components |
| CN104889449A (en) * | 2015-05-13 | 2015-09-09 | 浙江永力达数控机床有限公司 | Machining device of multi-angle blind holes of inner chamber of part |
| CN106958423A (en) * | 2017-03-27 | 2017-07-18 | 成都大漠石油技术有限公司 | Oil bit special clamping system |
| CN106968624A (en) * | 2017-03-27 | 2017-07-21 | 成都大漠石油技术有限公司 | A kind of equipment for clamping oil drilling tool |
| CN107570746A (en) * | 2017-08-31 | 2018-01-12 | 茵科门控（珠海保税区）有限公司 | Door closer oil circuit hole drilling machine |
| CN107598629A (en) * | 2017-10-27 | 2018-01-19 | 佛山信君安智能家居有限公司 | A kind of cylindrical sleeves drilling machine fixes borehole drill construction with multiposition |
| CN109926854A (en) * | 2019-01-25 | 2019-06-25 | 江阴听阳机械有限公司 | A kind of drilling device and boring method of perpendicular type fish platee |
| CN113510258A (en) * | 2021-08-12 | 2021-10-19 | 天津华建天恒传动有限责任公司 | Continuous positioning drilling method for inner wall radial hole |
| CN114535665A (en) * | 2022-04-25 | 2022-05-27 | 成都飞机工业（集团）有限责任公司 | Hole making cutter and hole making method for weak-rigidity component |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103381493A (en) * | 2013-06-25 | 2013-11-06 | 天长市天翔集团有限公司 | Drilling device used for processing automobile components |
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| CN107570746B (en) * | 2017-08-31 | 2024-05-14 | 茵科门控（珠海保税区）有限公司 | Drilling machine for oil way hole of door closer |
| CN107570746A (en) * | 2017-08-31 | 2018-01-12 | 茵科门控（珠海保税区）有限公司 | Door closer oil circuit hole drilling machine |
| CN107598629A (en) * | 2017-10-27 | 2018-01-19 | 佛山信君安智能家居有限公司 | A kind of cylindrical sleeves drilling machine fixes borehole drill construction with multiposition |
| CN109926854A (en) * | 2019-01-25 | 2019-06-25 | 江阴听阳机械有限公司 | A kind of drilling device and boring method of perpendicular type fish platee |
| CN113510258A (en) * | 2021-08-12 | 2021-10-19 | 天津华建天恒传动有限责任公司 | Continuous positioning drilling method for inner wall radial hole |
| CN113510258B (en) * | 2021-08-12 | 2022-03-15 | 天津华建天恒传动有限责任公司 | Continuous positioning drilling method for inner wall radial hole |
| CN114535665A (en) * | 2022-04-25 | 2022-05-27 | 成都飞机工业（集团）有限责任公司 | Hole making cutter and hole making method for weak-rigidity component |
| CN114535665B (en) * | 2022-04-25 | 2022-09-16 | 成都飞机工业（集团）有限责任公司 | Hole making method for weak rigid member |
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