CN105057720A - Anti-oscillation boring head with rotationally-fixed cutterhead - Google Patents
Anti-oscillation boring head with rotationally-fixed cutterhead Download PDFInfo
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- CN105057720A CN105057720A CN201510471736.1A CN201510471736A CN105057720A CN 105057720 A CN105057720 A CN 105057720A CN 201510471736 A CN201510471736 A CN 201510471736A CN 105057720 A CN105057720 A CN 105057720A
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- roller
- mandrel
- cutterhead
- knife rest
- retainer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/03—Boring heads
- B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
- B23B29/03403—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing
- B23B29/03407—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing by means of screws and nuts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses an anti-oscillation boring head with a rotationally-fixed cutterhead. The anti-oscillation boring head comprises the rotationally-fixed cutterhead, a mandrel, a retainer and a plane bearing, wherein the middle of the mandrel is provided with an annular boss a; the cutterhead is fixedly connected to a head disc of the mandrel; the retainer slidably sleeves the annular boss a in the middle of the mandrel; the plane bearing is clamped between the retainer and a screw thread on the outer circumference of the tail end of the mandrel; a spigot which is a cylindrical through hole is also formed in the circle center of a tool rest; a limiting shaft is arranged on a position corresponding to the circle center of the end surface of the mandrel and is inserted to the spigot; and the tool rest is also provided with two locating grooves. According to the anti-oscillation boring head with the rotationally-fixed cutterhead, through changing the fixing way of the cutterhead and the mounting way of a pin roller arranged on the retainer, not only the cutterhead dismounting and mounting time and steps are reduced, but also the retainer is prevented from oscillating in the rotating process, the equipment overhaul and replacement costs of enterprises are reduced, and meanwhile the work efficiency and safety coefficient are increased, so that the anti-oscillation boring head is worthy of popularizing in the industry.
Description
Technical field
The present invention relates to mechanical manufacturing field, be specially a kind of anti-oscillating boring head rotating fixation cutter head.
Background technology
In prior art, the fixed form of cutterhead is installed in boring head front end for processing tube blank inner wall, be with square seam and even number bolt, cutterhead is fixed on mandrel, when installation and removal, all need first bolt to be unloaded, horizontally outward firmly cutterhead is taken off again, waste time and energy, and square seam after used a period of time, due to the relation of wearing and tearing, the deviation that location can cause cutterhead to install, and this deviation can directly cause the cutter head on cutterhead to the processing effect of tube blank inner wall.
For processing the boring head of tube blank inner wall, the general bindiny mechanism all comprising cutterhead, mandrel, retainer and afterbody, existing cutterhead, usually can only install a cutter head, cutting diameter is regulated by adjusting bolt, and cutter head moves in a circle with cutterhead, tube blank inner wall is cut, cutterhead rotates a circle, and cutter head completes the cutting of a circle, and operating efficiency is relatively low.Cutterhead is provided with the holddown groove of fixing knife bar, in existing technology, orthogonal groove offered by holddown groove, knife bar is placed in holddown groove and is undertaken fastening by puller bolt, but boring cutter is when the work rapidly rotated, if puller bolt is slightly loosening, there is the knife bar slippage that certain risk makes in holddown groove, cause the accident.
The retainer that boring head uses is all the roller rolling retainer for polishing tube blank inner wall, after use after a while, needs to overhaul it, occurs that the roller damaged needs to change.But the mounting means of roller is not easy to maintenance and changes very much on existing boring head.On the support body of retainer, normally offer outer little interior tapered roller hole greatly, support body outside opening area is less than roller vertical section and amasss, first the mandrel of boring head is pulled down during installation, roller is put into inside tapered roller hole, be set in again on mandrel, eject roller by mandrel from inside, make a roller part protrude tapered roller hole, rotate along with the rotation of mandrel during work, polishing is carried out to tube blank inner wall.If need to overhaul roller or change in the use procedure of boring head, need first whole boring head to be pulled down from lathe, then disassemble mandrel and retainer, then take out the roller damaged from the inner side of retainer, whole operation very loaded down with trivial details.
Retainer on boring head is when drive roller rotates, be subject to from tube blank inner wall one frictional force backward, tolerance is there is between roller hole and roller, when the rotation of mandrel is enough fast time, roller can shake in roller hole, and this concussion can cause the inwall of roller and roller hole mutually to collide with, and damages smooth roller surface, thus shorten service life of retainer, affect retainer and polishing effect is rolled to tube blank inner wall.
Summary of the invention
The object of this invention is to provide a kind of anti-oscillating boring head rotating fixation cutter head, by using the fixed mode of square seam and fastening bolt to change the fixed mode of circular seam and U-shaped locating slot into original cutterhead, realize technique effect that is quick and dismounting cutterhead, improve quantity and the mode of cutterhead being fixed boring cutter simultaneously, cutterhead is made to rotate the repeatedly cutting that once can realize tube blank inner wall, and the connected mode improved between holddown groove and knife bar, make knife bar when cutterhead rapidly rotates, also the situation occurring slippage is not easy, improve security when lathe runs, by changing the setting of roller hole, matching used catch does not hinder the normal work of roller while roller is not deviate from blocking, solve the problem that dismounting roller first must dismantle mandrel, fore-set is set in the opposite direction of roller direct of travel simultaneously, guarantee that roller can stable operation when High Rotation Speed, namely simplify the overhaul procedure of retainer before boring head, ensure that front retainer stable operation simultaneously.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of anti-oscillating boring head rotating fixation cutter head, comprise and rotate fixing cutterhead, middle part is with the mandrel of annular boss a, retainer and plane bearing, wherein cutterhead is fixedly connected in the cephalic disc of mandrel, on the annular boss a that retainer is slidably located in the middle part of mandrel, plane bearing is fastened between the screw thread on retainer and mandrel tail end excircle, the cutterhead that described rotation is fixed comprises discoid knife rest and is connected to the boring cutter on knife rest, knife rest medial surface is fixed on mandrel, lateral surface offers centrosymmetric boss b, boss b arranges multiple holddown groove, described boring cutter comprises knife bar and is connected to the cutter head of knife bar one end, one end of cutter head protrude knife rest outer diameter face and with knife rest synchronous rotary, and cutter head is arranged in same plane, and it is parallel mutually often to organize place plane when cutter head rotates, described knife rest home position is also provided with seam, seam is a column type through hole, the limit shaft that corresponding end face of mandrel home position is arranged, limit shaft inserts in seam, knife rest is also provided with two locating slots, described locating slot be with seam be axle center be centrosymmetric distribution U-type groove, the opening direction of U-type groove is contrary with the direction of rotation of knife rest, at described locating slot, the inner side of knife rest is provided with the boss c of U-shaped structure, mandrel is also provided with two backstays with pressure cap, the corresponding locating slot in backstay position is arranged, the width in locating slot bottom boss c gap and the diameter of backstay match, one end of described backstay upper pressing cap is fastened on boss c, the other end screws in the screwed hole of mandrel, by locating slot and backstay mating reaction to realize clamping knife rest, described locating slot and backstay be positioned at same with the center of seam for the center of circle circumferentially.
Described retainer comprises being sheathed on mandrel and has certain thickness circular support body, be arranged on the roller hole and roller that distribute for axle center is centrosymmetric on support body and with its center of circle, described roller hole is the rectangular through-hole be opened on support body, described roller is the cylinder be arranged in roller hole, the diameter length of roller is less than roller hole width and is greater than the thickness of support body, roller one end face is also provided with fore-set, described fore-set is solid cylindrical body, one end is absorbed in the fore-set groove in support body, the other end is against an end face center of roller, between adjacent two roller holes, also catch is set, catch length is greater than the length of cambered surface between adjacent two roller holes, be fastened by bolts on support body in the middle of it, two ends outwards tilt along roller, tilt the peak of height lower than roller exterior arc surface.
Described knife bar afterbody is plugged in holddown groove, holddown groove is the at right angles trapezoidal groove of cross section, wherein, the angle of inclination cell wall and bottom land is 80-85 °, insert the shape of knife bar in holddown groove and the mating shapes of holddown groove, one end of puller bolt is through the vertical cell wall of holddown groove and the side held out against at knife bar, and one end of trimming bolt is through the sidewall of holddown groove and the tail end face held out against at knife bar; Described each group trimming bolt, puller bolt, holddown groove and boring cutter are all centrosymmetric distribution centered by the knife rest center of circle.
Described roller side and upper bottom surface coupling part are that cambered surface is arranged.
Compared with prior art, the present invention has following beneficial effect:
A kind of anti-oscillating boring head rotating fixation cutter head of the present invention, by using the fixed mode of square seam and fastening bolt to change the fixed mode of circular seam and U-shaped locating slot into original cutterhead, eliminate the step of demounting bolt during dismounting cutterhead, simultaneously, the circular beater plate rotated adopts circular seam to position, improve the accuracy of location, square seam simultaneously before contrast, reduce the degree of wearing and tearing, after changing circular seam and U-shaped locating slot into, circular seam is only needed to pack in the limit shaft of mandrel central authorities during installation, rotating cutter-head again, U-shaped locating slot is stuck on the backstay that mandrel is arranged, the object of fixation cutter head can be realized, again because locating slot opening direction is contrary with the direction of rotation of cutterhead, ensure that cutterhead can not be deviate from when rotating along with mandrel, improve the security of equipment use.
By arranging the boring cutter of multiple arrangement that is centrosymmetric on cutterhead, and the plane that each boring cutter moves when rotating with cutterhead is parallel mutually, achieve cutterhead to rotate once to the technique effect that tube blank inner wall repeatedly cuts, should need repeatedly to cut to use cutting at one time of the present invention to complete by shaping tube blank inner wall, the length of cutterhead can also be stretched out by regulating boring cutter by trimming bolt, namely boring cutter is to the cutting depth of tube blank inner wall, when to multiple boring cutters fixing on cutterhead from be short to long adjust the length of stretching out successively after, the technique effect successively cut to tube blank inner wall can also be realized, significantly improve operating efficiency, by improving the connected mode between holddown groove and knife bar, making knife bar when cutterhead rapidly rotates, being also not easy the situation occurring slippage, improve security when lathe runs.
By roller hole on front retainer is changed to the consistent rectangular opening of upper and lower opening from outer little interior large coniform hole, solve roller examine and replace and must disassemble the problem that mandrel changes from inside, by rectangular opening and catch with the use of, roller can not outwards be deviate from when rotating with mandrel, when needing maintenance and change, remove catch roller outwards to be poured out, simplify the operation of examine and replace roller, save the working time of maintenance, fore-set is set on the direction of roller by frictional force simultaneously, one end of fore-set is embedded on the support body of front retainer, the other end withstands on roller, make roller when rotating with mandrel, can not shake, the inwall avoiding roller and roller hole collides with mutually, damage smooth roller surface, thus shorten the service life of front retainer, before impact, retainer is to the situation rolling polishing effect of tube blank inner wall.
The present invention is by changing the mounting means of roller on the fixed form of cutterhead and retainer, namely time and the step of dismounting cutterhead is saved, prevent again retainer from shaking in the process of rotating, reduce the cost of enterprise's maintenance and more exchange device, improve operating efficiency and safety coefficient simultaneously, obtain and in industry promote.
Accompanying drawing explanation
Fig. 1 is a kind of cutter head structure schematic diagram rotating the anti-oscillating boring head of fixation cutter head of the present invention;
Fig. 2 is a kind of end face of mandrel structural representation rotating the anti-oscillating boring head of fixation cutter head of the present invention;
Fig. 3 is a kind of locating slot and backstay position relationship schematic diagram rotating the anti-oscillating boring head of fixation cutter head of the present invention;
Fig. 4 be the present invention a kind of rotate the anti-oscillating boring head of fixation cutter head holddown groove and knife bar coupling part is perpendicular cuts open structural representation;
Fig. 5 is a kind of retainer structural representation rotating the anti-oscillating boring head of fixation cutter head of the present invention;
Fig. 6 is a kind of roller mounting means schematic diagram rotating the anti-oscillating boring head of fixation cutter head of the present invention;
Mark in figure: 1, cutterhead, 101, knife rest, 1001, trimming bolt, 1002, puller bolt, 1003, holddown groove, 102, boring cutter, 1021, knife bar, 1022, cutter head, 103, seam, 104, locating slot, 105, backstay, 1051, pressure cap, 106, limit shaft, 2, mandrel, 3, retainer, 301, support body, 302, roller hole, 303, roller, 304, catch, 305, bolt, 306, fore-set.
Detailed description of the invention
Below in conjunction with accompanying drawing, by detailed description of the invention, the present invention is further illustrated.
A kind of anti-oscillating boring head rotating fixation cutter head of the present invention, comprise and rotate fixing cutterhead 1, middle part is with the mandrel 2 of annular boss a, retainer 3 and plane bearing, wherein cutterhead 1 is fixedly connected in the cephalic disc of mandrel 2, on the annular boss a that retainer 3 is slidably located in the middle part of mandrel 2, plane bearing is fastened between the screw thread on retainer 3 and mandrel 3 tail end excircle, the boring cutter 102 that the cutterhead 1 that described rotation is fixed comprises discoid knife rest 101 and is connected on knife rest 101, knife rest 101 medial surface is fixed on mandrel 2, lateral surface offers centrosymmetric boss b, boss b is arranged multiple holddown groove 1003, described boring cutter 102 comprises knife bar 1021 and is connected to the cutter head 1022 of knife bar 1021 one end, one end of cutter head 1022 protrude knife rest 101 outer diameter face and with knife rest 101 synchronous rotary, and cutter head 1022 is arranged in same plane, and it is parallel mutually often to organize place plane when cutter head 1022 rotates, described knife rest 101 home position is also provided with seam 103, seam 103 is a column type through hole, the limit shaft 106 that corresponding mandrel 2 end face home position is arranged, limit shaft 106 inserts in seam 103, knife rest 101 is also provided with two locating slots 104, described locating slot 104 be with seam 103 for axle center be centrosymmetric distribution U-type groove, the opening direction of U-type groove is contrary with the direction of rotation of knife rest 101, at described locating slot 104, the inner side of knife rest 101 is provided with the boss c of U-shaped structure, mandrel 2 is also provided with two backstays 105 with pressure cap 1051, the corresponding locating slot 104 in backstay 105 position is arranged, the width in locating slot 104 bottom boss c gap and the diameter of backstay 105 match, one end of described backstay 105 upper pressing cap 1051 is fastened on boss c, the other end screws in the screwed hole of mandrel 2, by locating slot 104 and backstay 105 mating reaction to realize clamping knife rest 101, described locating slot 104 and backstay 105 be positioned at same with the center of seam 103 for the center of circle circumferentially, guarantee that cutterhead 1 keeps balance in the process rotated, wearing and tearing can not be produced because of the cheap of centrifugal force, and cutter head 1022 is positioned at same plane, namely a cutter head 1022 is only had to carry out the cutting plane processed before, the multiple cutter head 1022 of present use cuts, and cutting rate significantly improves, and quality is also better comparatively before.
During practical operation, first the circular seam 103 at knife rest 101 center is aimed at the locating shaft 106 at mandrel center, then be center of circle rotating turret 101 with locating shaft 106, on knife rest 101 two locating slots 104 are made to be fastened on the backstay 105 of mandrel, because locating slot 104 inwall is provided with boss b, then backstay 105 is while clamping locating slot 104, pressure cap 1051 on backstay 105 is fastened on the upper surface of boss b, thus knife rest 101 is stuck on end face of mandrel accurately, and because the opening direction of locating slot 104 is contrary with the rotation direction of mandrel, so when mandrel band movable knife rack 101 rotates, knife rest 101 is rigidly mounted can not slippage on mandrel.
Described retainer 3 comprises being sheathed on mandrel 2 and has certain thickness circular support body 301, be arranged on the roller hole 302 and roller 303 that distribute for axle center is centrosymmetric on support body 301 and with its center of circle, described roller hole 302 is for being opened in the rectangular through-hole on support body 301, described roller 303 is for being arranged at the cylinder in roller hole 302, the diameter length of roller 303 is less than roller hole 302 width and is greater than the thickness of support body 301, roller 303 1 end face is also provided with fore-set 306, described fore-set 306 is solid cylindrical body, one end is absorbed in the fore-set groove in support body 301, the other end is against an end face center of roller 303, between adjacent two roller holes 302, catch 304 is also set, catch 304 length is greater than the length of cambered surface between adjacent two roller holes 302, be fastened on support body 301 by bolt 305 in the middle of it, two ends outwards tilt along roller 303, tilt the peak of height lower than roller 303 exterior arc surface.
In the process that boring head uses, the catch 304 that support body 301 outer is fixed guarantees that roller 303 can not drop out ball hole 302, needs the bolt 305 dismantling lower fixing catch 304 when carrying out examine and replace to roller 303, roller 303 can be poured out.
Described catch 304 is rectangular, rectangle catch 304 all extends outward projection near the corner of roller 303, height of projection is lower than the peak of roller 303 exterior arc surface, rectangle catch 304 is inconvenient to adjust the height tilted in use, the projection of catch 304 4 jiaos of extensions then better can regulate the height of projection, if highly improper, sharp-crested tweezers can be used to adjust.
Described knife bar 1021 afterbody is plugged in holddown groove 1003, holddown groove 1003 is the at right angles trapezoidal groove of cross section, wherein, the angle of inclination cell wall and bottom land is 80-85 °, insert the shape of knife bar 1021 in holddown groove 1003 and the mating shapes of holddown groove 1003, one end of puller bolt 1002 through holddown groove 1003 vertical cell wall and hold out against in the side of knife bar 1021, one end of trimming bolt 1001 is through the sidewall of holddown groove 1003 and the tail end face held out against at knife bar 1021; Described each group trimming bolt 1001, puller bolt 1002, holddown groove 1003 and boring cutter 102 are all centrosymmetric distribution centered by knife rest 101 center of circle.
Described roller 303 side and upper bottom surface coupling part are that cambered surface is arranged, roller 303 edge that cambered surface is arranged, and make roller there will not be cut when carrying out compacting polishing to pipe sidewall, effectively can improve the quality of compacting polishing.
Claims (4)
1. one kind rotates the anti-oscillating boring head of fixation cutter head, comprise and rotate fixing cutterhead (1), middle part is with the mandrel (2) of annular boss a, retainer (3) and plane bearing, wherein cutterhead (1) is fixedly connected in the cephalic disc of mandrel (2), retainer (3) is slidably located on the annular boss a at mandrel (2) middle part, plane bearing is fastened between the screw thread on retainer (3) and mandrel (3) tail end excircle, it is characterized in that: the cutterhead (1) that described rotation is fixed comprises discoid knife rest (101) and is connected to the boring cutter (102) on knife rest (101), knife rest (101) medial surface is fixed on mandrel (2), lateral surface offers centrosymmetric boss b, boss b is arranged multiple holddown groove (1003), described boring cutter (102) comprises knife bar (1021) and is connected to the cutter head (1022) of knife bar (1021) one end, one end of cutter head (1022) protrude knife rest (101) outer diameter face and with knife rest (101) synchronous rotary, and cutter head (1022) is arranged in same plane, and it is parallel mutually often to organize place plane when cutter head (1022) rotates, described knife rest (101) home position is also provided with seam (103), seam (103) is a column type through hole, the limit shaft (106) that corresponding mandrel (2) end face home position is arranged, limit shaft (106) inserts in seam (103), knife rest (101) is also provided with two locating slots (104), described locating slot (104) be with seam (103) for axle center be centrosymmetric distribution U-type groove, the opening direction of U-type groove is contrary with the direction of rotation of knife rest (101), the boss c of U-shaped structure is provided with at the inner side of the close knife rest (101) of described locating slot (104), mandrel (2) is also provided with two backstays with pressure cap (1051) (105), the corresponding locating slot (104) in backstay (105) position is arranged, the width in locating slot (104) bottom boss c gap and the diameter of backstay (105) match, one end of described backstay (105) upper pressing cap (1051) is fastened on boss c, the other end screws in the screwed hole of mandrel (2), by locating slot (104) and backstay (105) mating reaction to realize clamping knife rest (101), described locating slot (104) and backstay (105) be positioned at the same center with seam (103) be the center of circle circumferentially.
2. a kind of anti-oscillating boring head rotating fixation cutter head as claimed in claim 1, it is characterized in that: described retainer (3) comprises being sheathed on mandrel (2) and has certain thickness circular support body (301), be arranged on roller hole (302) and roller (303) that support body (301) above and with its center of circle distributes for axle center is centrosymmetric, described roller hole (302) is for being opened in the rectangular through-hole on support body (301), described roller (303) is for being arranged at the cylinder in roller hole (302), the diameter length of roller (303) is less than roller hole (302) width and is greater than the thickness of support body (301), roller (303) one end face is also provided with fore-set (306), described fore-set (306) is solid cylindrical body, one end is absorbed in the fore-set groove in support body (301), the other end is against an end face center of roller (303), between adjacent two roller holes (302), catch (304) is also set, catch (304) length is greater than the length of cambered surface between adjacent two roller holes (302), be fastened on support body (301) by bolt (305) in the middle of it, two ends outwards tilt along roller (303), tilt the peak of height lower than roller (303) exterior arc surface.
3. a kind of anti-oscillating boring head rotating fixation cutter head as claimed in claim 1, it is characterized in that: described knife bar (1021) afterbody is plugged in holddown groove (1003), holddown groove (1003) is the at right angles trapezoidal groove of cross section, wherein, the angle of inclination cell wall and bottom land is 80-85 °, insert the shape of knife bar (1021) in holddown groove (1003) and the mating shapes of holddown groove (1003), one end of puller bolt (1002) is through the vertical cell wall of holddown groove (1003) and the side held out against in knife bar (1021), one end of trimming bolt (1001) is through the sidewall of holddown groove (1003) and the tail end face held out against in knife bar (1021), described each group trimming bolt (1001), puller bolt (1002), holddown groove (1003) and boring cutter (102) are all centrosymmetric distribution centered by knife rest (101) center of circle.
4. a kind of anti-oscillating boring head rotating fixation cutter head as claimed in claim 1, is characterized in that: described roller (303) side and upper bottom surface coupling part are that cambered surface is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510471736.1A CN105057720B (en) | 2015-08-05 | 2015-08-05 | A kind of anti-oscillating boring head for rotating fixation cutter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510471736.1A CN105057720B (en) | 2015-08-05 | 2015-08-05 | A kind of anti-oscillating boring head for rotating fixation cutter head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105057720A true CN105057720A (en) | 2015-11-18 |
| CN105057720B CN105057720B (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510471736.1A Active CN105057720B (en) | 2015-08-05 | 2015-08-05 | A kind of anti-oscillating boring head for rotating fixation cutter head |
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| Country | Link |
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| CN (1) | CN105057720B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105414578A (en) * | 2015-12-09 | 2016-03-23 | 中船西江造船有限公司 | Boring cutter adjusting tool |
| CN111644903A (en) * | 2018-07-27 | 2020-09-11 | 黄河科技学院 | Numerical control machining device |
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| JP2015062983A (en) * | 2013-09-26 | 2015-04-09 | 株式会社 タニキカン | Device for machining inner surface of pipe |
| CN204912811U (en) * | 2015-08-05 | 2015-12-30 | 河南艾通科技股份有限公司 | Rotatory fixed cutter dish's shockproof boring head that swings |
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| US3577809A (en) * | 1967-08-30 | 1971-05-04 | Reimers Getriebe Ag | Quickset toolholder |
| JPS5761404A (en) * | 1980-09-25 | 1982-04-13 | Daiken Kogyo Kk | Tool fixing device |
| JP2003103408A (en) * | 2001-09-28 | 2003-04-08 | Mitsubishi Materials Corp | Cutting tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414578A (en) * | 2015-12-09 | 2016-03-23 | 中船西江造船有限公司 | Boring cutter adjusting tool |
| CN111644903A (en) * | 2018-07-27 | 2020-09-11 | 黄河科技学院 | Numerical control machining device |
| CN111644904A (en) * | 2018-07-27 | 2020-09-11 | 黄河科技学院 | Multi-station numerical control machining equipment |
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| CN111644903B (en) * | 2018-07-27 | 2022-03-22 | 黄河科技学院 | Numerical control machining device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105057720B (en) | 2017-08-29 |
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