CN102632275A - Online detection and correction system for laser-guided deep-hole drilling - Google Patents
Online detection and correction system for laser-guided deep-hole drilling Download PDFInfo
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- CN102632275A CN102632275A CN2012101113703A CN201210111370A CN102632275A CN 102632275 A CN102632275 A CN 102632275A CN 2012101113703 A CN2012101113703 A CN 2012101113703A CN 201210111370 A CN201210111370 A CN 201210111370A CN 102632275 A CN102632275 A CN 102632275A
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Abstract
The invention belongs to the technical field of inner-chip removal deep-hole processing, and particularly relates to an online detection and correction system for laser-guided deep-hole drilling, which solves the problem that processed parts and tool conditions are difficultly observed in the existing deep-hole processing process. The online detection and correction system for laser-guided deep-hole drilling comprises a detection part and a correction part, wherein the detection part comprises a light source, a drill stem is provided with a light-passing hole and a light beam receiving area, two incident light beams emitted from the light source are formed into two channels of return light beams, and then the return light beams reach a bit position sensor and a bit attitude sensor; and the correction part comprises a stressing mechanism and a plurality of stressing holes, wherein the plurality of stressing holes are arranged on the drill stem, and the stressing mechanism passes through the stressing holes and then is connected with the back surface of a bit. The system disclosed by the invention has the advantages that the operating conditions of workpiece rotation and bit-fed deep-hole processing can be mastered timely, and the attitude deviation of the bit can be timely corrected, thereby promoting the solution to correction problems in deep-hole processing, and improving the straightness of deep holes and the parallelism, verticality and coaxiality of deep holes relative to a design basis.
Description
Technical field
The technical field of chip removal deep hole machining in the invention belongs to, online detection of particularly a kind of laser guidance gun drilling and deviation-rectifying system.
Background technology
Deep hole machining mainly comprises boring and bore hole, and bore hole enlarges original bottom outlet, and boring is often referred to machining hole on entity, before the brill, does not have bottom outlet.Deep hole drill is mainly by chip removal mode branch: bta deep hole drilling and outer chip removal depth drill.The main mode of deep hole machining has: the first, and cutter rotation, workpiece feeding; The second, workpiece rotation, tool feeding.
Deep hole machining is the difficult point of machining, is difficult to observe working position and cutter situation in the process, therefore, detects deep hole and cutter error in real time, finds deflection, in time correct, and be the key subjects that need solution, also be the technical barrier that is resolved far away.
Summary of the invention
Goal of the invention of the present invention: in order to solve the problem that is difficult to observe working position and cutter situation in the existing deep hole machining process; For workpiece rotation, drill bit feeding, bta deep hole drilling are cut process; Provide a kind of laser real-time of utilizing to detect bta deep hole drilling head position and attitude (being angle); And adjust the drill bit attitude as required automatically, make its detection that returns to initial value and deviation-rectifying system.
The present invention adopts following technical scheme to realize:
Online detection of laser guidance gun drilling and deviation-rectifying system; It is characterized in that comprising test section and correction part; Described test section comprises a light source, No. two light sources; Be parallel to the light beam reception area that is fixedly connected with drill bit that is provided with on unthreaded hole and the drill bit back of crossing that drill rod axis offers on the drilling rod; A described light source, No. two light sources are arranged at the position of the rear corresponding mistake unthreaded hole of drilling rod; An incident beam, No. two incident beams that light source, No. two light sources send are parallel to the initial axis of drilling rod, and incident beam, No. two incident beams passed unthreaded hole and get into the light beam reception area and handle through the light beam reception area and form a Returning beam, No. two Returning beams, and the two-way Returning beam passed unthreaded hole and returns; No. one Returning beam arrives the bit location sensor, and No. two Returning beam arrives the drill bit attitude transducer;
Described correction part comprises and is parallel to the some afterburning hole that drill rod axis is offered on boosting mechanism and the drilling rod, and the hole count in afterburning hole is more than or equal to three, and boosting mechanism passes afterburning hole, is connected with the drill bit back side.
A described light source and No. two light sources are lasing light emitter or intense light source; The light beam reception area comprises cube-corner cone prism and speculum; In the altitude range of position corresponding to the cube-corner cone prism of light source and bit location sensor; The place ahead of No. two light sources is provided with the drill bit attitude transducer with respect to the Returning beam inclination, and micropore is offered in the position of corresponding No. two light sources on the drill bit attitude transducer, in the altitude range of the position of drill bit attitude transducer corresponding to speculum.
A described light source, No. two light sources, bit location sensor, drill bit attitude transducers all are fixedly installed on the outrigger, and described mirror, cube-corner cone prism all are fixedly installed in internal frame, and internal frame is installed on the drill bit back.
Described drill bit comprises bit body, reduced diameter section, baffle ring and the thread segment that is connected with drilling rod; The diameter of reduced diameter section is less than the diameter of bit body, drilling rod; Also less than the diameter of baffle ring; The trailing flank of baffle ring abuts against the front end face of drilling rod, and the light beam reception area is arranged in the peripheral space of reduced diameter section.
Have the annular groove of mutual correspondence on the front end face of described drill bit back and drilling rod; On two annular grooves the oil scraper ring cover is installed; Oil scraper ring overlaps the supporting y-shaped ring that has, and the front end of light beam reception area and boosting mechanism is arranged in the space between oil scraper ring cover and the reduced diameter section.
Described boosting mechanism can be Tiebar structure, and it comprises motor, and motor is through the gear driving pair cylinder lever connecting rod; Pull bar passes afterburning hole, and rod head stretches in the connecting hole of offering at the drill bit back, and rod head acts on spheric washer; Spheric washer acts on lid, and lid is fixed in the drill bit back.Strong sensor is installed on the pull bar.
Described boosting mechanism also can be structure of tow line, and it comprises stay cord, and stay cord one end is connected with the drill bit back, is connected with swivel nut behind the other end pile warp fixed pulley of stay cord, forms the screw rod of threaded engagement and the output shaft fixed connection of motor with swivel nut.Strong sensor is installed on the stay cord.
Described boosting mechanism also can be other forms that meets the demands.
Described bit location sensor links to each other with computer, arithmetic and control unit with the drill bit attitude transducer usually, and computer, arithmetic and control unit are connected with the driving of boosting mechanism again.
The present invention makes full use of the specific properties work of optical frames such as laser or high light and speculum, prism, and position and the attitude (be angle) of online detection drill bit in process represented with coordinate figure and Eulerian angles respectively, shown by computer real-time.Afterburning from the several afterburning hole at the bta deep hole drilling head back side in addition, adjustment drill bit attitude, under non-stop-machine situation, correction.Added power is shown, is monitored by computer real-time through the power sensor.
The relevant main parts size of the present invention has: motor, arithmetic and control unit, computer that bta deep hole drilling head (abbreviation drill bit), drilling rod, light source, speculum, cube-corner cone prism, pull bar or stay cord, correction drill bit are used.
Drill bit is fixed in drilling rod, and drilling rod is fixed on the feed box, only does feed motion.Oil delivering unit is that deep hole machining provides hydraulic oil, and oil is gone into from the oil delivering unit orifice flow, through drilling rod and the gap of workpiece and the gap between the drill bit adjacent knife blades, from drill pipe bore iron filings is gone out.Be drilled with a through hole between drill pipe bore and the cylindrical, be used for being called for short unthreaded hole through emission light beam and Returning beam.
Drill bit comprises blade, bit body, drill bit back, reduced diameter section, baffle ring, several parts of thread segment.Thread segment is fixed on drilling rod, is provided with baffle ring near thread segment, and after the screwed, the trailing flank of baffle ring abuts against the end face of drilling rod, realizes the axial location of drill bit on drilling rod.The reduced diameter section diameter is less, and less than the diameter of baffle ring, pairing space is bigger, is fixed in the internal frame at drill bit back, is positioned at this space, and the light beam reception area is set in the internal frame.It is characteristics of the present invention that drill bit has reduced diameter section, and reduced diameter section not only provides the space that optical frames is installed, and the more important thing is that the existence of reduced diameter section makes adjustment drill bit attitude (being angle) become possibility.
Light source is fixed in the outrigger, and outrigger is fixed on the lathe, and is fixed.Outrigger is provided with peep hole, is convenient to the operator and observes its inner member and light beam situation.
The present invention adopts two lasing light emitters or two common intense light sources, sends two-beam.A branch of variation that is used to detect bit location; It is parallel to the initial axis of drill bit, and the cube-corner cone prism that directive is fixing with respect to drill bit is because the characteristics of this prism; Light beam is through behind the cube-corner cone prism; Direction to be parallel to before the incident turns back to the bit location sensor, is used to detect the variation of bit location, that is the change in location of drill bit in its axis normal plane.Another bundle is used to detect the variation of drill bit attitude, and it is parallel to the initial axis of drill bit, passes the micropore of offering on the drill bit attitude transducer that is obliquely installed, and toward mirror turns back to the drill bit attitude transducer by speculum.
In process engineering, when drill bit not in original correct position, the hot spot on bit location sensor and the attitude transducer will change.Adopt prior art can detect hot spot and change, such as a lot of small photo resistance that distributing according to certain rules of, position sensor working surface, light beam irradiates to the photo resistance resistance will diminish, be not difficult to obtain the variation of hot spot thus.The cube-corner cone prism is different from general optical prism, can reflect that through it drill bit is changing perpendicular to the two-dimensional position in the light source line plane.Be understood that,, also can instead obtain the variation of drill bit attitude, and can it be changed reflection on computers through the variation of hot spot.
Measured bit location, attitude numerical value have reflected indirectly and the precision in hole have realized the indirect online detection to the hole.
In case find drill bit not in the tram, pull bar or stay cord through linking to each other with the drill bit back apply power to drill bit continuously, make the drill bit pose recovery to initial attitude.The big deep hole of processing diameter can be selected pull bar for use, and the little deep hole of processing diameter can be selected stay cord for use.Operation principle is following:
Between drill pipe bore and cylindrical, be processed with several holes---afterburning hole, the pull bar or the stay cord that are used for the power that applies to drill bit pass afterburning hole.Several some place links to each other with drill bit at the drill bit back for pull bar or stay cord, is convenient to apply power.These o'clocks are greater than three, conllinear not, and formed triangle or polygon should contain drill pipe bore, so that adapt to drill bit different azimuth adjustment needs.The several holes that between drill pipe bore and cylindrical, process, the connecting hole at they and drill bit back respectively over against.The power resources that pull bar or stay cord apply power are motor, also can be manpowers.By the size of force sensor measuring pulling force, show on computers.So that further monitoring.Under the prerequisite that takes into full account drill bit intensity, rigidity, torsional rigidity, drill bit changeover portion among the present invention (also being reduced diameter section) diameter is less, makes adjustment drill bit attitude realize easily.The boosting mechanism and the feed box that comprise pull bar or stay cord, motor are connected, and move with drill bit, drilling rod.
Rod-pulling type boosting mechanism, drawhead are positioned at the connecting hole at drill bit back, and drawhead acts on spheric washer, and spheric washer acts on lid, and lid is fixed in the screwed hole at drill bit back.Motor drives output shaft through shaft coupling; Driving two gears (or belt wheel) rotates; The part that the axially-movable that is installed on the gear (or belt wheel) on the pull bar is fixed in the feeding casing limits; Gear (or belt wheel) endoporus has screw thread, with the threads engaged of back end of tie rod, but drive stay.
Dragline type boosting mechanism, a section of rope link to each other with the drill bit back, and the other end links to each other with swivel nut through behind the pulley.The motor rotation makes the screw rod rotation that is connected with it, moves as straight line thereby drive swivel nut.
The afterburning size of decision, the factor that should consider comprise drill bit deviation, add the layout in force.
For ease of Computing, pull bar or stay cord only bear pulling force, do not produce pressure, and let wherein the pulling force of a pull bar or stay cord be zero.
When adopting three points,,,, finally can make the attitude of drill bit obtain correcting through behind the certain hour so apply power continuously at three places because three points determine a plane.When adopting at a plurality of, power is synthetic, obtain three equivalent forces.Because each power is substantially parallel, can be used as parallel force and synthesize, to simplify the computing of computer.
The present invention has computing and controller, in order to accepting bit location information and attitude information, and it is transferred on the computer shows.Also, send rotation, stall, counter-rotating instruction to motor, thereby progressively adjust the drill bit attitude, till returning to initial position through pull bar or stay cord according to the drill bit attitude information.
3 attitudes that can determine a plane can not determine the position of an actual plane.Therefore, though the present invention's energy measurement and the location parameter that shows drill bit, its numerical value can only be as a reference.Three or more power that the present invention applies is substantially perpendicular to the drill bit back, and they can not be at the drill axis normal plane, or directly adjusts drill bit in the light source collimation method face.Because of directly adjustment deep hole drill position difficulty is big in the drill axis normal plane, in the industry ripe adjustment scheme is not arranged as yet at present.But the present invention corrects the drill bit attitude misalignment, to a certain extent, can play the effect of correcting the bit location deviation; And; The present invention is real-time detection, and the drill bit attitude misalignment is corrected in control rapidly in real time; Obviously the linearity and the deep hole that help guaranteeing deep hole can prevent the deep hole deflection with respect to the depth of parallelism, perpendicularity, the axiality of its design basis.
In order to prevent to influence the work of optical element from the hydraulic oil that oil delivering unit gets into; The present invention is provided with the oil scraper ring cover, and oil scraper ring cover two ends are positioned over respectively in the annular groove of annular groove and drilling rod end face at drill bit back, during the installation of oil scraper ring cover; Is furnished with y-shaped ring; The pressure of fluid acts on sealing ring, and it is big more to have an oil pressure, the characteristics that sealing effectiveness is good more.
Beneficial effect of the present invention: the first, utilize the characteristic of laser and optical frames, the position of online detection bta deep hole drilling head and attitude change, and in time grasp the duty of workpiece rotation, drill bit feeding deep hole machining, are technical important breakthrough.The variation of drill bit has reflected the quality in hole indirectly, so the present invention can be used as the deep hole machining cubing and uses.The second, the technical scheme of timely correction drill bit attitude misalignment has been proposed.Drill bit characteristics of the present invention are to have " reduced diameter section ", " reduced diameter section " that the space that optical frames is installed not only is provided, and the more important thing is that the existence of " reduced diameter section " makes adjustment drill bit attitude (being angle) become possibility.The present invention has promoted the solution of a deep hole machining correction difficult problem, with improving deep hole linearity and the deep hole depth of parallelism, perpendicularity, the axiality with respect to design basis.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1,
Fig. 2 is the structural representation of the embodiment of the invention 2,
Fig. 3 is the drilling rod end view,
Fig. 4 is the drill bit structure sketch,
Fig. 5 is the drill bit rear end view,
Among the figure: 1-workpiece, 2-drill bit, 3-spheric washer, 4-lid, 5-oil scraper ring cover, 6-Y RunddichtringO, 7-oil delivering unit; The 8-drilling rod, 9-feed box, 10-pull bar, gear of 11-, No. two gears of 12-, 13-output shaft, 14-shaft coupling; The 15-motor, light source of 16-, No. two light sources of 17-, 18-bit location sensor, 19-drill bit attitude transducer, incident beam of 20-, No. two incident beams of 21-; Returning beam of 22-, No. two Returning beams of 23-, 24-drill bit chip-removal hole, 25-stay cord, 26-screw rod, 27-swivel nut; The 28-fixed pulley, the 29-speculum, 30-cube-corner cone prism, the 31-internal frame, the 32-outrigger, 33-crosses unthreaded hole; The 34-threaded connection hole, the afterburning hole of 35-, 36-drilling rod chip-removal hole, 37-bit body, 38-blade, 39-annular groove; The 40-screw hole, 41-drill bit back, 42-thread segment, 43-baffle ring, 44-reduced diameter section, 45-connecting hole.
The specific embodiment
Below be specific embodiment more of the present invention, these specific embodiment are to be used for explaining of the present invention, the present invention are not done any restriction.
Embodiment 1: as shown in Figure 1, and workpiece 1 rotation of the present invention, drill bit 2 feedings.Do not have bottom outlet on the workpiece, need the deep hole of auger spindle line level.
The present invention includes workpiece 1, drill bit 2, drilling rod 8, oil delivering unit 7, feed box 9, a light source 16; No. two light sources 17; Bit location sensor 18; Drill bit attitude transducer 19, speculum 29, motor 15, arithmetic and control unit, computer that cube-corner cone prism 30, stay cord 25, correction drill bit are used.
Be drilled with unthreaded hole 33 between drilling rod chip-removal hole 36 and the cylindrical.
Drill bit comprises blade 38, bit body 37, drill bit back 41, reduced diameter section 44, baffle ring 43, thread segment more than 42 parts.Drill bit among the present invention is provided with baffle ring 43 near threaded portion, and after the screwed, the baffle ring trailing flank abuts against the end face of drilling rod.Reduced diameter section 44 diameters are less, and pairing space is bigger, and the internal frame 31 that is fixed in the drill bit back is positioned at this space, are fixed with the speculum 29 of light beam reception area in the internal frame, cube-corner cone prism 30.
Described No. one, No. two light sources are LASER Light Source or high light light source, and light source 16, No. two light sources 17, bit location sensor 18, drill bit attitude transducers 19 all are fixedly installed in the outrigger 32, and outrigger 32 is fixed on the lathe, and is fixed.
The incident beam 20 that light source 16 sends; Be parallel to drill bit, the initial axis of drilling rod; Pass the unthreaded hole 32 excessively on the drilling rod, arrive cube-corner cone prism 30, turn back to bit location sensor 24 through cube-corner cone prism 30; Be used to detect bit location, the variation of bit location is with the form reflection of coordinate figure.No. two incident beams 21 that No. two light sources 17 send pass the micropore of offering on the drill bit attitude transducer 19, pass the unthreaded hole of crossing on the drilling rod; Arrive speculum 29; Turn back to drill bit attitude transducer 19 by speculum 29, be used to detect the drill bit attitude, the variation of drill bit attitude is with the form reflection of angle.Micropore can adopt special process processing such as electron beam, ion beam, laser means.
In process engineering, when drill bit not in original correct position, the hot spot on bit location sensor and the attitude transducer will change, and reflect the variation of bit location and attitude.Measured bit location, attitude numerical value have reflected indirectly and the precision in hole have realized the indirect online detection to the hole.
In case find drill bit not in the tram, the stay cord 25 through linking to each other with drill bit back 41 applies power to drill bit continuously, make the drill bit pose recovery to initial attitude.The big deep hole of processing diameter can be selected pull bar for use, and the little deep hole of processing diameter can be selected stay cord for use.
Between drill pipe bore and cylindrical, be processed with 3 afterburning holes 35, the stay cord that is used for the power that applies to drill bit passes the hole.3 connecting holes 45 link to each other with drill bit stay cord at the drill bit back, are convenient to apply power.3 connecting holes are conllinear not, and formed triangle contains drill pipe bore, so that adapt to drill bit different azimuth adjustment needs.3 afterburning holes 35, with 3 connecting holes 45 in drill bit back over against.The power resources that stay cord applies power are motor, also can be manpowers.Strong sensor (not shown) is measured the size of pulling force, shows on computers.Drill bit among the present invention " changeover portion " diameter is less, makes adjustment drill bit attitude realize easily.
The boosting mechanism and the feed box 9 that comprise stay cord 25, motor 15 are connected, and move with drill bit 2, drilling rod 8.
Described dragline type boosting mechanism, an end of stay cord 25 links to each other with the drill bit back, and the other end links to each other with swivel nut 27 through fixed pulley 28 backs.The motor rotation makes the screw rod rotation that is connected with it, moves as straight line thereby drive swivel nut.
Three places apply power continuously at the drill bit back, finally make the attitude of drill bit obtain correcting.
The present invention has computing and controller (not shown), in order to accepting bit location information and attitude information, and it is transferred on the computer shows.Also, send just commentaries on classics, stall, counter-rotating instruction to motor, thereby progressively adjust the drill bit attitude, till returning to initial position through pull bar or stay cord according to the drill bit attitude information.
The present invention is provided with oil scraper ring cover 5, and oil scraper ring cover two ends are positioned over respectively in the annular groove 33 of annular groove 39 and drilling rod end face at drill bit back, when the oil scraper ring cover is installed, are furnished with y-shaped ring.
Embodiment 2: as shown in Figure 2, boosting mechanism adopts the pull bar form.
Rod-pulling type boosting mechanism, drawhead are positioned at the connecting hole 45 at drill bit back, and drawhead acts on spheric washer 3, and spheric washer acts on and covers 4, and lid is fixed in the connecting hole 45 at drill bit back.Motor 15 drives output shaft 13 through shaft coupling 14, drives two gears (or belt wheel) and rotates, and the part that the axially-movable of gear 11 is fixed in the feeding casing limits, and gear 11 endoporus have screw thread, with the threads engaged of back end of tie rod, but drive stay 10.Other structures are with embodiment 1.
Claims (5)
1. online detection of laser guidance gun drilling and deviation-rectifying system; It is characterized in that comprising test section and correction part; Described test section comprises a light source (16), No. two light sources (17); Be parallel to unthreaded hole (33) excessively and drill bit back (41) last light beam reception area that is fixedly connected with drill bit (2) that is provided with that drill rod axis is offered on the drilling rod (8); A described light source (16), No. two light sources (17) are arranged at the corresponding position of crossing unthreaded hole (33), rear of drilling rod (8); An incident beam (20), No. two incident beams (21) that a light source (16), No. two light sources (17) send are parallel to the initial axis of drilling rod; An incident beam (20), No. two incident beams (21) passed unthreaded hole (33) and got into the light beam reception area through a light beam reception area processing formation Returning beam (22), No. two Returning beams (23); The two-way Returning beam passed unthreaded hole (33) and returned, and a Returning beam (22) arrives bit location sensor (18), and No. two Returning beams (23) arrive drill bit attitude transducer (19);
Described correction part comprises and is parallel to the some afterburning hole (35) that drill rod axis is offered on boosting mechanism and the drilling rod (8), and the hole count of afterburning hole (35) is more than or equal to three, and boosting mechanism passes afterburning hole (35), is connected with the drill bit back side (41).
2. online detection of laser guidance gun drilling according to claim 1 and deviation-rectifying system; It is characterized in that a described light source and No. two light sources are lasing light emitter or intense light source; The light beam reception area comprises cube-corner cone prism (30) and speculum (29); In the altitude range of position corresponding to cube-corner cone prism (30) of a light source (16) and bit location sensor (18); The place ahead of No. two light sources (17) is provided with the drill bit attitude transducer (19) with respect to the Returning beam inclination; Drill bit attitude transducer (19) is gone up the position of corresponding No. two light sources (17) and is offered micropore, in the altitude range of position corresponding to speculum (29) of drill bit attitude transducer (19).
3. online detection of laser guidance gun drilling according to claim 1 and deviation-rectifying system; It is characterized in that a described light source (16), No. two light sources (17), bit location sensor (18), drill bit attitude transducer (19) all are fixedly installed on the outrigger (32); Described speculum (29), cube-corner cone prism (30) all are fixedly installed in internal frame (31), and internal frame (31) is installed on the drill bit back (41).
4. online detection of laser guidance gun drilling according to claim 1 and deviation-rectifying system; It is characterized in that described drill bit comprises bit body (37), reduced diameter section (44), baffle ring (43) and the thread segment (42) that is connected with drilling rod (8); The diameter of reduced diameter section (44) is less than the diameter of bit body (37), drilling rod (8); Also less than the diameter of baffle ring (43); The trailing flank of baffle ring (43) abuts against the front end face of drilling rod (8), and the light beam reception area is arranged in the peripheral space of reduced diameter section (44).
5. online detection of laser guidance gun drilling according to claim 1 and deviation-rectifying system; It is characterized in that having on the front end face of described drill bit back (41) and drilling rod (8) annular groove (39) of mutual correspondence; Oil scraper ring cover (5) is installed on two annular grooves (39); Oil scraper ring cover (5) is supporting to have y-shaped ring (6), and the front end of light beam reception area and boosting mechanism is arranged in the space between oil scraper ring cover (5) and the reduced diameter section (44).
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Cited By (8)
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| CN103182552A (en) * | 2013-03-25 | 2013-07-03 | 中北大学 | Deep hole processing online detection and correction device |
| CN103196397A (en) * | 2013-03-25 | 2013-07-10 | 中北大学 | Straightness laser detection device for vertical longhole |
| CN103278111A (en) * | 2013-05-10 | 2013-09-04 | 中北大学 | Hole linearity detecting device with liquid plastics |
| CN105345094A (en) * | 2015-11-13 | 2016-02-24 | 中北大学 | Deep-hole machining online deviation rectifying device based on laser detection principle |
| CN109332756A (en) * | 2018-11-28 | 2019-02-15 | 宜昌江峡船用机械有限责任公司 | Deep hole drilling apparatus and method |
| CN110814393A (en) * | 2019-11-22 | 2020-02-21 | 中北大学 | Floating type multifunctional BTA deep hole cutter system based on self-guiding |
| CN113441759A (en) * | 2021-07-20 | 2021-09-28 | 陕西理工大学 | Hydraulic adjusting type deep hole boring cutter and adjusting method thereof |
| CN115533153A (en) * | 2022-12-01 | 2022-12-30 | 烟台亿众智能科技有限公司 | Multi-axis drilling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103182552A (en) * | 2013-03-25 | 2013-07-03 | 中北大学 | Deep hole processing online detection and correction device |
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| CN105345094A (en) * | 2015-11-13 | 2016-02-24 | 中北大学 | Deep-hole machining online deviation rectifying device based on laser detection principle |
| CN109332756A (en) * | 2018-11-28 | 2019-02-15 | 宜昌江峡船用机械有限责任公司 | Deep hole drilling apparatus and method |
| CN109332756B (en) * | 2018-11-28 | 2023-11-28 | 宜昌江峡船用机械有限责任公司 | Deep hole machining device and method |
| CN110814393A (en) * | 2019-11-22 | 2020-02-21 | 中北大学 | Floating type multifunctional BTA deep hole cutter system based on self-guiding |
| CN113441759A (en) * | 2021-07-20 | 2021-09-28 | 陕西理工大学 | Hydraulic adjusting type deep hole boring cutter and adjusting method thereof |
| CN115533153A (en) * | 2022-12-01 | 2022-12-30 | 烟台亿众智能科技有限公司 | Multi-axis drilling machine |
| CN115533153B (en) * | 2022-12-01 | 2023-03-14 | 烟台亿众智能科技有限公司 | Multi-axis drilling machine |
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