CN106694922B - A kind of self-centering major diameter boring cutter of quick-clamping - Google Patents
A kind of self-centering major diameter boring cutter of quick-clamping Download PDFInfo
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- CN106694922B CN106694922B CN201611205032.0A CN201611205032A CN106694922B CN 106694922 B CN106694922 B CN 106694922B CN 201611205032 A CN201611205032 A CN 201611205032A CN 106694922 B CN106694922 B CN 106694922B
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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
- B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
- B23B29/244—Toolposts, i.e. clamping quick-change toolholders, without description of the angular positioning device
- B23B29/246—Quick-change tool holders
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- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
A kind of self-centering major diameter boring cutter of quick-clamping, including handle of a knife, handle of a knife are symmetrically provided with 2 or 3 clamping hole slots in same level；Clamping hole slot includes locking tapering and straight hole portion, and locking tapering and straight hole portion has identical bottom jaw, and locking tapering has inclined top face, and inclined top face is connected on the straight hole top surface in straight hole portion；Self-control cutter head is slidably arranged in clamping hole slot；The self-control cutter head includes bit body portion；Bit body portion includes oblique afterbody and Nogata portion, and there is oblique afterbody cutter to hold out against inclined-plane and compression ramp；Shank end portion is provided with screwed hole, and wedging mechanism is arranged in screwed hole；Wedging mechanism is held out against to be held out against on inclined-plane in cutter, and the compression ramp of oblique afterbody is connected on the inclined top face.The self-centering major diameter boring cutter of quick-clamping, the horizontal base jaw structure overall with handle of a knife was both designed, while provided locking mechanism in the hole slot above the jaw of bottom again, and substantially increased the versatility and holding capability of endoporus cutting element.
Description
Technical field
The present invention relates to the technical field of machining instrument, and in particular to a kind of self-centering major diameter boring of quick-clamping
Knife.
Background technology
In field of machining, the processing for hole of the diameter more than more than Ф 60mm, because knife is selected in inconvenience or purchases knife
Tool cost is higher and all uses customization cutter.The boring cutter of Double-cutter head has the advantage of cutting symmetrically firmly, is more widely used in endoporus boring
Cut.The boring cutter of prior art has two kinds, and one kind is bridge-type boring cutter, design operator bridge, tool rest, knife is fixed at the both ends of operator bridge
Boring head is fixed on seat.Another kind is plug-in boring cutter, i.e., the side's of being mounted directly knife bar on boring cutter bar, then in knife bar upper clamp knife piece,
Referred to as plug-in boring cutter.But the shortcomings that prior art inserting boring cutter is that installation bolt is more, do not set by other fine setting auxiliary
It is difficult distance of the accurate adjustment point of a knife apart from center line under the conditions of standby, heavy boring can only be used as to process, it is impossible to be used in finishing.
The patent of invention US4880339A of German Ulrich companies discloses a kind of major diameter boring cutter, and horizontal stroke has been opened on handle of a knife
Through slot 2,2 relative blades 7, broach shell 3 are pressed with by two briquettings 21 in broach shell 3 with center adjustment hole 7 symmetrically
In through slot 2, positioned in the groove by the front of center adjustment hole 7 of the top pressure of ejector pin 11.Its shortcoming is that assembling is complicated,
Using 4 bolts and 2 briquettings, part is more and is pressed complicated；Symmetrical press fitting abuts the oblique of blade by the fore-set 22 on briquetting
The back of the body, it is impossible to ensure absolute symmetrical；Accordingly, it is difficult to ensure two blades 7 on the in a rotationally symmetrical arrangement of boring cutter handle, namely it is difficult to
Ensure the precision of bore hole.
The patent of invention US3915585A of German KOMET companies also discloses that a kind of major diameter self-control boring cutter, in shank end
Portion's fluting 2, is put into two boring cutter seats 5,6 in groove 2, and two boring cutter seats 5,6 bases are provided with skewed slot 9, and two skewed slots 9 are relative to turn into dovetail groove；
Centering voussoir 11, which is pressed in dovetail groove, thinks that two boring cutter seats are felt relieved, and two boring cutter seat side walls are positioned by a dieback of bolt 4 simultaneously.
Such boring cutter also at least needs centering voussoir and top pressure bolt to complete being symmetrically installed for boring cutter, installs or more complicated
, if boring cutter seat 5,6 can not fully abut two inclined-planes of centering voussoir 11, the function being symmetrically installed with center line namely funeral
Lose, also therefore, it is difficult to ensure for boring cutter fixed precision.
Design one kind can be pressed simply, and the customization boring cutter of accurate positioning is the target generally pursued of processing technique field.
The content of the invention
It is self-centering big it is an object of the invention to provide a kind of quick-clamping for defect present in above-mentioned prior art
Diameter boring cutter.
The object of the present invention is achieved like this, and a kind of self-centering major diameter boring cutter of quick-clamping, including handle of a knife, handle of a knife exist
2 or 3 clamping hole slots are symmetrically provided with same level；The clamping hole slot includes locking tapering and straight hole portion,
Locking tapering and straight hole portion have identical bottom jaw, and locking tapering has inclined top face, and inclined top face is connected to the straight hole top in straight hole portion
On face；
Self-control cutter head is slidably arranged in clamping hole slot；The self-control cutter head includes bit body portion；
The bit body portion includes oblique afterbody and Nogata portion, and there is oblique afterbody cutter to hold out against inclined-plane and compression ramp；
Shank end portion is provided with screwed hole, and wedging mechanism is arranged in screwed hole；Wedging mechanism is held out against to be held out against tiltedly in cutter
On face, the compression ramp of oblique afterbody is connected on the inclined top face.
Further, the angle of inclined top face and bottom jaw is holding angle between 30 °~60 °.
Further, the tiltedly afterbody is provided with gap and cuts groove, and the gap is cut groove and extended in parallel with the inclined top face.
Further, the clamping hole slot is rectangular or square groove, and bottom jaw is provided with guide part, and Nogata portion includes guide rail
Body, guide rail are slidably fitted in the guide part.
Further, upper pad tabletting is fixed in clamping hole slot, and the upper pad tabletting includes cutter positioning face, the cutter
Locating surface includes straight hole top surface and inclined top face, and the side of inclined top face, bottom jaw and clamping hole slot, which is formed, locks tapering, straight hole top surface,
Bottom jaw and the side composition straight hole portion for clamping hole slot.
Further, underlay tabletting is fixed on bottom Hubei Province of clamping hole slot, and the underlay tabletting includes bottom Hubei Province guide part, bottom
Hubei Province guide part substitutes guide part, and guide rail is slidably fitted in the guide part of bottom Hubei Province.
Further, the wedging mechanism includes fastening bolt and withstanding tight block, fastening bolt threaded engagement in screwed hole,
On withstanding tight block, withstanding tight block is connected to cutter and held out against on inclined-plane fastening bolt top pressure.
Further, there is the withstanding tight block jacking block to hold out against the conical surface and guide-localization portion, and handle of a knife end is further opened with being oriented to
Positioning hole, the rotation axis coincident of the axis in guide-localization hole and the handle of a knife.
Further, withstanding tight block rotary moveable is connected in the fastening bolt.
Further, the top of withstanding tight block abuts the end of the fastening bolt.
The self-centering major diameter boring cutter of quick-clamping, in order to solve " simple, the customization of and can accurate positioning can be pressed
The technical barrier of boring cutter ", pass through following technological means：
1) overall handle of a knife 1 opens up clamping hole slot 2
Such design had both maintained the globality of retaining part and handle of a knife, while also provided level for holding function and prolong
The bottom jaw stretched, the horizontal support integral with handle of a knife is provided for blade or the clamping for making cutter head by oneself.
2) hole slot inclined top face is locked
For making cutter by oneself, clamping hole slot 2 provides inclined top face 15, and the locking tapering for making cutter by oneself is connected to the inclined top face
Upper locking.
3) wedging mechanism can be self-centering while completes clamping function
Jacking block holds out against the conical surface 12.1 and guide-localization portion 12.2 provided with jacking block simultaneously, and the guiding of guide-localization portion and handle of a knife is determined
When position hole coordinates, jacking block, which holds out against the conical surface 12.1 the locking tapering of cutter is connected on the inclined top face, locks.
Handle of a knife opens up clamping hole slot and the horizontal base jaw integral with handle of a knife is provided for clamping, and bottom jaw is matched somebody with somebody with hole slot inclined top face
It is combined into cutter and provides locking function, wedging mechanism can be self-centering while completes clamping function, therefore three has mutual association
Same-action.
The self-centering major diameter boring cutter of quick-clamping, the horizontal base jaw structure overall with handle of a knife was both designed, while again
Locking mechanism is provided in the hole slot above the jaw of bottom, has the globality of cutter holding concurrently, provides clamping again for self-control cutter
Selection, substantially increase the versatility and holding capability of endoporus cutting element.
Brief description of the drawings
Fig. 1 is the main sectional view of the embodiment one of the self-centering major diameter boring cutter of quick-clamping of the present invention.
Fig. 2 is the top view for removing wedging mechanism of the self-centering major diameter boring cutter of quick-clamping of the present invention.
Fig. 3 is the main sectional view of the embodiment two of the self-centering major diameter boring cutter of quick-clamping of the present invention.
Fig. 4 is the handle of a knife end A direction views of the embodiment two of the universal endoporus cutting element of the present invention.
Reference in above-mentioned figure：
1 handle of a knife, 2 clamp hole slots, and tabletting, 4 underlay tablettings, 5 bottom jaws, 6 locking taperings, 7 straight hole portions, 8 self-control knives are padded on 3
Head, 9 oblique afterbodys, 10 Nogata portions, 11 fastening bolts, 12 withstanding tight blocks, 13 cutters hold out against inclined-plane, 14 straight hole top surfaces, 15 inclined top faces, and 16
Compression ramp, 17 cutter positioning faces, 18 bottom Hubei Province faces, 19 tighten scale, 20 reference marks, hexagonal groove in 21,30 wedging mechanisms
1.1 screwed holes, positioning step on 2.1,2.2 times upper positioning steps, fixed groove on 3.1,4.1 times fixed grooves,
4.2 bottom Hubei Province guide parts, 5.1 guide parts
8.1 bit body portions, 8.2 cutting edge portion
10.1 guide rails, 12.1 jacking blocks hold out against the conical surface, 12.2 guide-localization portions
Embodiment
Embodiments of the invention are elaborated below in conjunction with accompanying drawing, but are not limited to the scope of the present invention.
Embodiment one
As illustrated, a kind of self-centering major diameter boring cutter of quick-clamping, including handle of a knife 1, the rotational symmetry of handle of a knife 1 are provided with 2
Or 3 clamping hole slots 2.The clamping hole slot 2 is rectangular or square groove, and upper positioning step 2.1 is provided with the clamping hole slot 2
With lower upper positioning step 2.2, the bottom surface of the clamping hole slot is as bottom jaw 5；Bottom Hubei Province 5 is provided with guide part 5.1；Guide part 5.1
Support bottom Hubei Province face 18 of the bottom surface as clamping cutter；It is further preferred that upper pad tabletting 3 and underlay tabletting 4 are fixed on holding holes
In groove 2, the upper pad tabletting 3 includes upper fixed groove 3.1 and cutter positioning face 17, and the cutter positioning face includes straight hole top surface
14 and inclined top face 15, the fixed step 3.1 be bolted on positioning step 2.1；Under the underlay tabletting 4 includes
Fixed groove 4.1 and bottom Hubei Province guide part 4.2, bottom Hubei Province guide part 4.2 substitute the guide part 5.1 on bottom Hubei Province 5；The guide part is preferred
For dovetail groove.The lower fixed groove 4.1 is bolted on lower positioning step 2.2；Inclined top face 15, bottom jaw face 18 and folder
The side for holding hole slot forms locking tapering 6, straight hole top surface 14, bottom jaw 5 and the side composition straight hole portion 7 for clamping hole slot；Described 2
Or the bottom jaw face 18 of 3 clamping hole slots is in same level.
Upper pad tabletting 3 and underlay tabletting 4 are for the convenience of processing and the durable of cutter and changed conveniently.
The angle of inclined top face 15 and bottom jaw 5 is holding angle α between 30 °~60 °.Inclined top face 15 is connected to straight hole portion 7
On straight hole top surface 14；Self-control cutter head 8 is arranged in clamping hole slot 2；The self-control cutter head 8 includes bit body portion 8.1 and cutting
Blade 8.2, the cutting edge portion 8.2 are integrally molded in the body of tool bit portion 8.1；Or the bolt of cutting edge portion 8.2 is fastened on
On bit body 8.1.
The bit body portion 8.1 includes oblique afterbody 9 and Nogata portion 10, and Nogata portion 10 is provided with guide rail 10.1, guide rail
10.1 are slidably fitted in the guide part 5.1；There is oblique afterbody 9 cutter to hold out against inclined-plane 13 and compression ramp 16.
Also include wedging mechanism 30, the end of handle of a knife 1 offers screwed hole 1.1, and wedging mechanism is arranged in screwed hole；Wedging
Mechanism is held out against to be held out against on inclined-plane 13 in cutter, and the compression ramp 16 of oblique afterbody is connected on inclined top face 15.Wedging mechanism bag
Fastening bolt 11 and withstanding tight block 12 are included, the rotary moveable of withstanding tight block 12 is connected in the fastening bolt 11, and the spiral of fastening bolt 11 is matched somebody with somebody
To close in screwed hole 1.1, on withstanding tight block 12, there is the withstanding tight block 12 top pressure of fastening bolt 11 jacking block to hold out against the conical surface 12.1,
Jacking block, which holds out against the conical surface 12.1 and is connected to cutter, to be held out against on inclined-plane 13.Cutter holds out against inclined-plane 13 and is connected on inclined top face 15.
The tiltedly afterbody 9 is provided with gap and cuts groove 9.1, and the gap cuts groove 9.1 and holds out against that inclined-plane 13 is parallel to be prolonged with the cutter
Stretch.The width that groove 9.1 is cut in gap is 0.5-1mm, and depth is that cutter holds out against the 1/3~1/2 of the length of inclined-plane 13.
Cut the setting of groove 9.1 in gap so that the tiltedly compression of afterbody 9 of self-control cutter head 8 protrudes into locking cone
In portion 6, straight hole portion 7 is stretched out in Nogata portion 10, and compression ramp 16 holds out against the mortgage power F on inclined-plane 13 to cutterPressureBe converted to radially to
Outer pressure on top surface FFootpathWith the clamping force F for pressing to bottom jaw 5Folder, guide part positions to cutter in hole slot is clamped.
The self-centering major diameter boring cutter of quick-clamping, using the bottom land of L-shaped cutter head as lower jaw, with jacking block 12 hold out against against
In bit body portion 8.1, bit body portion 8.1 be resisted against on inclined top face 13 and lock self-control cutter head 8, while with handle of a knife one
The side block wall or guide part of the clamping hole slot 2 of body greatly enhance chuck(ing) capacity and to self-control as the abutting to cutter head side
The adaptability of cutter head.
Embodiment two
Further improvement is made to wedging mechanism 30, the end of handle of a knife 1 offers screwed hole 1.1 and guide-localization hole 1.2, wedge
Tight mechanism is arranged in screwed hole 1.1；Wedging mechanism 14 is held out against to be held out against on inclined-plane 13 in cutter, and the top surface of oblique afterbody 9 is connected to
On the inclined top face 15.The wedging mechanism includes fastening bolt 11 and withstanding tight block 12, and there is withstanding tight block 12 jacking block to hold out against the conical surface
12.1 and guide-localization portion 12.2, when the threaded engagement of fastening bolt 11 is in screwed hole 1.1, the top pressure of fastening bolt 11 is in withstanding tight block
On 12, the guide-localization portion 12.2 of withstanding tight block 12, which is inserted into guide-localization hole 1.2, to be oriented to, and jacking block holds out against the conical surface 12.1 and is connected to
Cutter is held out against on inclined-plane 13.
The rotation axis coincident of the axis in guide-localization hole 1.2 and the handle of a knife 1.
Above-mentioned design improves so that the self-centering of withstanding tight block 12 of wedging mechanism 30, and symmetrically it is slidably arranged in holding holes
Self-control cutter head 8 in groove 2 is held out against the consistent extruding of the conical surface 12.1 by jacking block, so as to each make the change of the oblique afterbody 9 of cutter head 8 by oneself
Shape amount is identical, and strictly, the distance for making the knife edge distance center of the cutting edge portion 8.2 of cutter head 8 by oneself is equal.Here it is certainly
Centering function.And the clamping of the self-control cutter head 8 of the present invention does not need the top pressure of any bolt to complete under the premise of feeling relieved
Simultaneously clamp on.
The top surface of withstanding tight block 12 is provided with interior hexagonal groove 21 and tightens scale 19, and handle of a knife end face is provided with reference mark 20,
Tighten the graduation mark that scale 19 is directed at reference mark 20, reference when continuing to screw during convenient use.
Other features are identical with embodiment one.
The self-centering major diameter boring cutter of quick-clamping, the horizontal base jaw structure overall with handle of a knife was both designed, while again
Locking mechanism is provided in the hole slot above the jaw of bottom, has the globality of cutter holding concurrently, provides clamping again for self-control cutter
Selection, substantially increase the versatility and holding capability of endoporus cutting element.
Claims (10)
1. a kind of self-centering major diameter boring cutter of quick-clamping, including handle of a knife (1), it is characterised in that
Handle of a knife (1) is symmetrically provided with 2 or 3 clamping hole slots (2) in same level；Clamping hole slot (2) bag
Locking tapering (6) and straight hole portion (7) is included, locking tapering and straight hole portion has identical bottom jaw (5), and locking tapering (6) has oblique
Top surface (15), inclined top face (15) are connected on the straight hole top surface (14) in straight hole portion (7)；
Self-control cutter head (8) is slidably arranged in clamping hole slot (2)；The self-control cutter head includes bit body portion (8.1)；
The bit body portion (8.1) includes oblique afterbody (9) and Nogata portion (10), and there is oblique afterbody (9) cutter to hold out against inclined-plane
And compression ramp (16) (13)；
Shank end portion is provided with screwed hole (1.1), and wedging mechanism (30) is arranged in screwed hole；Wedging mechanism is held out against on cutter top
On tight inclined-plane (13), the compression ramp (16) of oblique afterbody (9) is connected on the inclined top face (15).
2. the self-centering major diameter boring cutter of quick-clamping as claimed in claim 1, it is characterised in that inclined top face (15) and bottom jaw (5)
Angle be holding angle (α), the holding angle (α) is between 30 °~60 °.
3. the self-centering major diameter boring cutter of quick-clamping as claimed in claim 1, it is characterised in that between the oblique afterbody (9) is provided with
Gap cuts groove (9.1), and the gap is cut groove (9.1) and extended in parallel with the inclined top face (15).
4. the self-centering major diameter boring cutter of quick-clamping as claimed in claim 1, it is characterised in that the clamping hole slot (2) is square
Shape or square groove, bottom jaw (5) are provided with guide part (5.1), and Nogata portion (10) include guide rail (10.1), and guide rail (10.1) is sliding
It is dynamic to coordinate in the guide part (5.1).
5. the self-centering major diameter boring cutter of quick-clamping as claimed in claim 4, it is characterised in that above pad tabletting (3) and be fixed on folder
Hold in hole slot (2), the upper pad tabletting includes cutter positioning face (17), and the cutter positioning face (17) includes straight hole top surface (14)
With inclined top face (15), the side of inclined top face (15), bottom jaw (5) and clamping hole slot, which is formed, locks tapering (6), straight hole top surface (14),
Bottom jaw (5) and side composition straight hole portion (7) for clamping hole slot.
6. the self-centering major diameter boring cutter of quick-clamping as claimed in claim 4, it is characterised in that underlay tabletting (4) is fixed on folder
On the bottom Hubei Province for holding hole slot (2), the underlay tabletting includes bottom Hubei Province guide part (4.2), and bottom Hubei Province guide part (4.2) substitutes guide part
(5.1), guide rail (10.1) is slidably fitted in bottom Hubei Province guide part (4.2).
7. the self-centering major diameter boring cutter of the quick-clamping as described in claim 1-6 is any, it is characterised in that the wedging mechanism
(30) fastening bolt (11) and withstanding tight block (12) are included, fastening bolt (11) threaded engagement is in screwed hole (1.1), fastening bolt
(11) on withstanding tight block (12), withstanding tight block (12) is connected to cutter and held out against on inclined-plane (13) top pressure.
8. the self-centering major diameter boring cutter of quick-clamping as claimed in claim 7, it is characterised in that the withstanding tight block (12) has top
Block holds out against the conical surface (12.1) and guide-localization portion (12.2), and handle of a knife (1) end is further opened with guide-localization hole (1.2), and it is fixed to be oriented to
The axis in position hole (1.2) and the rotation axis coincident of the handle of a knife (1).
9. the self-centering major diameter boring cutter of quick-clamping as claimed in claim 7, it is characterised in that withstanding tight block (12) rotary moveable connects
Connect in the fastening bolt.
10. the self-centering major diameter boring cutter of quick-clamping as claimed in claim 8, it is characterised in that the top of withstanding tight block (12) is supported
Connect the end of the fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205032.0A CN106694922B (en) | 2016-12-23 | 2016-12-23 | A kind of self-centering major diameter boring cutter of quick-clamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205032.0A CN106694922B (en) | 2016-12-23 | 2016-12-23 | A kind of self-centering major diameter boring cutter of quick-clamping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106694922A CN106694922A (en) | 2017-05-24 |
| CN106694922B true CN106694922B (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611205032.0A Active CN106694922B (en) | 2016-12-23 | 2016-12-23 | A kind of self-centering major diameter boring cutter of quick-clamping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106694922B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927054B (en) * | 2021-09-26 | 2022-08-30 | 松德刀具（长兴）科技有限公司 | Quick change mechanism for connection of superhard boring tool bit and cutter bar |
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|---|---|---|---|---|
| US1977058A (en) * | 1932-02-05 | 1934-10-16 | Storm Mfg Co Inc | Cutter head for boring machines |
| GB1399428A (en) * | 1972-02-29 | 1975-07-02 | Komet Stahlhalter Werkzeug | Drill stem and drill stem insert with boring tools at both ends |
| SU1565594A1 (en) * | 1988-04-18 | 1990-05-23 | Ленинградский механический институт им.Маршала Советского Союза Устинова Д.Ф. | Boring bar for working deep holes |
| CN1935425A (en) * | 2006-10-19 | 2007-03-28 | 王诚信 | Multifunctional transposable diameter-adjustable multitool machine boring tool |
| CN102151857A (en) * | 2011-01-21 | 2011-08-17 | 宁波华星新能源有限公司 | Fine-tuning knife |
| CN202606901U (en) * | 2012-05-31 | 2012-12-19 | 郑州市钻石精密制造有限公司 | Wedged clamping and positioning tool |
| CN203076611U (en) * | 2013-01-10 | 2013-07-24 | 安徽全柴动力股份有限公司 | Multiple-cutting-edge boring cutter with outer diameter of cutting edges capable of being adjusted synchronously |
| CN104400027A (en) * | 2014-10-28 | 2015-03-11 | 徐州工程学院 | Novel high-rigidity fine-turning boring tool |
| CN205270894U (en) * | 2015-09-29 | 2016-06-01 | 常州迈腾工具有限公司 | Numerical control boring cutter with adjustable nanometer coating |
| CN206335149U (en) * | 2016-12-23 | 2017-07-18 | 盐城工学院 | A kind of quick-clamping self-centering major diameter boring cutter |
-
2016
- 2016-12-23 CN CN201611205032.0A patent/CN106694922B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1977058A (en) * | 1932-02-05 | 1934-10-16 | Storm Mfg Co Inc | Cutter head for boring machines |
| GB1399428A (en) * | 1972-02-29 | 1975-07-02 | Komet Stahlhalter Werkzeug | Drill stem and drill stem insert with boring tools at both ends |
| SU1565594A1 (en) * | 1988-04-18 | 1990-05-23 | Ленинградский механический институт им.Маршала Советского Союза Устинова Д.Ф. | Boring bar for working deep holes |
| CN1935425A (en) * | 2006-10-19 | 2007-03-28 | 王诚信 | Multifunctional transposable diameter-adjustable multitool machine boring tool |
| CN102151857A (en) * | 2011-01-21 | 2011-08-17 | 宁波华星新能源有限公司 | Fine-tuning knife |
| CN202606901U (en) * | 2012-05-31 | 2012-12-19 | 郑州市钻石精密制造有限公司 | Wedged clamping and positioning tool |
| CN203076611U (en) * | 2013-01-10 | 2013-07-24 | 安徽全柴动力股份有限公司 | Multiple-cutting-edge boring cutter with outer diameter of cutting edges capable of being adjusted synchronously |
| CN104400027A (en) * | 2014-10-28 | 2015-03-11 | 徐州工程学院 | Novel high-rigidity fine-turning boring tool |
| CN205270894U (en) * | 2015-09-29 | 2016-06-01 | 常州迈腾工具有限公司 | Numerical control boring cutter with adjustable nanometer coating |
| CN206335149U (en) * | 2016-12-23 | 2017-07-18 | 盐城工学院 | A kind of quick-clamping self-centering major diameter boring cutter |
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| Publication number | Publication date |
|---|---|
| CN106694922A (en) | 2017-05-24 |
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