CN107775020A - The two-sided groove profile Indexable cutting inserts of a kind of semifinishing or roughing - Google Patents
The two-sided groove profile Indexable cutting inserts of a kind of semifinishing or roughing Download PDFInfo
- Publication number
- CN107775020A CN107775020A CN201711182484.6A CN201711182484A CN107775020A CN 107775020 A CN107775020 A CN 107775020A CN 201711182484 A CN201711182484 A CN 201711182484A CN 107775020 A CN107775020 A CN 107775020A
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- groove
- face
- blade
- arc
- edge
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- 238000005520 cutting process Methods 0.000 title claims abstract description 68
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000011161 development Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/22—Cutting tools with chip-breaking equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/32—Chip breaking or chip evacuation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The present invention provides a kind of semifinishing to roughing with two-sided groove profile Indexable cutting inserts, the geometry of the setting symmetrical above and below with polygon, including：Upper and lower surface, and the multiple side surfaces extended between them, adjacent side surface are connected by arc surface transition；Rake face and the faceted pebble being arranged on rake face are crossed to form main cutting edge with side surface, and arc edge is crossed to form with arc surface；Groove bottom, groove bottom and the bottom land concave surface extended to blade geometric center are depressed in, and are arranged on it the boss in face, anti-attrition groove.Installation through-hole is provided with the geometric center of blade.The present invention reduces knife bits contact area and time of contact, the temperature of blade when reducing cutting to realize, improves blade life by the reasonable setting of stepped chip breaking groove bottom and anti-attrition groove.In addition, the present invention considers the processing characteristic of different occasions, the size by adjusting empty avoiding face makes blade to play good effect in half precise and penetrating roughing.
Description
Technical field
The invention belongs to metal cutting process field, more particularly to a kind of semifinishing or roughing double groove
Type Indexable cutting inserts.
Background technology
Cutting heat and the cutting temperature caused by it are one of important physical factors for influenceing metal cutting state, and this is being adopted
With particularly evident in the semifinishing or roughing of larger cutting parameter.Except small part energy is used to form new table during cutting
Face and formed in the form of lattice distortion etc. it is hiding can be outer, the overwhelming majority is converted to heat energy.Substantial amounts of cutting heat causes cutting temperature
Rise, on the one hand make the reduction of cutter material hardness, accelerate the abrasion of cutter Hard Inclusion, on the other hand, make tool surface chemical activity
Rise, accelerate the diffusive wear and chemical abrasion of cutter.
For the metal being cut in the presence of cutter, elasticity and plasticity deformation, which occurs, can produce the heat of part, cut simultaneously
The friction of bits and rake face, workpiece and rear knife face can produce substantial amounts of heat, and cutting guide surface of the chip afterwards through blade is with setting
Chip breaker effect, crimp, and be finally broken in the presence of Multiple factors, discharge machining area.During this
Caused most of heat is taken away by chip, but also arrives substantial amounts of heat transfer during chip is had an effect with blade
In blade, blade temperature is caused to raise.Therefore the height of cutting temperature depends not only on the position of cutting heat and how many, also depends on
The transmission of cutting heat and the speed of lost speed.Control cutting temperature will not only try every possible means to reduce the generation of cutting heat, also set
The reasonable effective sinking path of meter.Contact area and the time of contact of blade and cutting are reduced, heat caused by friction can be reduced,
Reduce heat transfer of the chip to blade.In the prior art, this point is not often accounted for, or only does simple processing, can not
Effect well is played in the roughing or semifinishing of steel part simultaneously.
The content of the invention
The technical problem to be solved in the present invention is the defects of overcoming prior art, there is provided a kind of semifinishing or roughing are used
Two-sided groove profile Indexable cutting inserts, the design of Indexable cutting inserts of the present invention have taken into full account the need of different processing occasions
Ask, good effect can be played in the roughing or semifinishing of steel part.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of semifinishing to roughing with two-sided groove profile Indexable cutting inserts, have polygon setting symmetrical above and below it is several
What structure, installation through-hole, including upper and lower surface are provided with the geometric center of blade, and extend between them
Multiple side surfaces, adjacent side surface are connected by arc surface transition, and the upper surface or lower surface are provided with no less than 1 drift angle
A, boss being provided between drift angle A and installation through-hole, the top plane of the boss is the highest plane on upper surface or lower surface,
The boss side surfaces are gear bits face；
Each drift angle A is provided with a cutting unit, and cutting unit includes cutting edge and chip-breaker, and the cutting edge includes circular arc
Cutting edge and main cutting edge, the arc edge are crossed to form by arc surface and upper surface or lower surface, the main cutting edge
It is crossed to form by side surface and upper surface or lower surface；
It is arc edge that the chip-breaker includes starting to be sequentially connected to installation through-hole direction along arc edge, faceted pebble, preceding
Knife face, groove bottom, gear bits face and top plane, faceted pebble and rake face are smoothly transitted by circular arc, and rake face and groove bottom are by circular arc light
Slip over and cross；
Upper surface or lower surface are additionally provided with the bottom land concave surface for being depressed in groove bottom and extending to blade geometric center, the bottom land
Smoothly transitted between concave surface and boss and groove bottom by circular arc, bottom land is gradually recessed towards bottom land concave surface and to boss extended to be formed
Anti-attrition groove；
Wherein, the cutting tip is symmetrical arranged on drift angle A angular bisectors.
Bottom land concave recess extends in groove bottom and to blade center, and bottom land concave surface can reduce chip-flowing chip breaking boss
During knife bits contact area.Smoothly transitted between bottom land concave surface and boss and groove bottom by circular arc, ensure that chip flow is suitable
Freely.Anti-attrition groove can further reduce knife bits contact area.
Preferably, direction flowing of the chip along vertical cut sword in theory, so in the ginseng of parallel upper and lower surface
Examine in plane, the anti-attrition groove is arranged along main cutting edge direction from Circular Nose Cutting Edge to blade center.
Preferably, the anti-attrition groove maximum cup depth is not less than 0.05, and development length is not less than 0.2.
Preferably, the arrangement of anti-attrition groove 11 described in each cutting unit quantity is not less than 4, and the anti-attrition groove is divided to two
Group is respectively placed in boss both sides and is arranged symmetrically, and arrangement interval is more than 0.5mm, less than 1.5mm.
Preferably, on blade thickness direction, the bottom land concave surface 12 to groove bottom 9 is h1 apart from ultimate range, is
Ensure there are enough empty avoiding distances between chip and bottom land concave surface, h1 is not less than 0.03mm, and the groove bottom 9 arrives arc edge
8 distance is h2, and this distance setting is too small, and difficulty can be caused to chip breaking, and too big then knife bits time of contact extends, 0.04≤h2
≤0.18。
Preferably, the gear bits face includes gear bits face A and gear bits face B.
Preferably, the bottom land concave surface 12 is at the arc edge 41, from gear bits face A to during gear bits face B extensions by
Gradual change is narrow, for adapting to different cutting parameters.Turn into the groove that Radius is equal to R at gear bits face A, to make bottom land concave surface herein
Play and preferably act on, 0.05mm≤R≤0.8mm, on the direction of parallel upper surface 1, groove minimum point to arc edge
41 distance is S, in order to be engaged with chip breaking boss, obtains good chip breaking ability, 0.7mm≤S≤1.6mm.
Compared with prior art, the beneficial effects of the present invention are：
Reasonable setting of the invention by stepped chip breaking groove bottom and anti-attrition groove, when reducing knife bits contact area and contact
Between, so as to reduce blade in process because of chip and the friction of blade and caused by heat, while reduce knife bits between
Heat transfer, allow cutting swarf to take away more heats.In addition, the present invention considers the demand of different processing occasions simultaneously, pass through
The size in adjustment empty avoiding face makes blade to play good effect in half precise and penetrating roughing.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of inventive cutting blade.
Fig. 2 is the front view of inventive cutting blade.
Fig. 3 is the top view of inventive cutting blade.
Fig. 4 is the top view point of a knife partial enlarged drawing of inventive cutting blade.
Fig. 5 is the sectional view along J-J lines of inventive cutting blade
Fig. 6 is the sectional view along K-K lines of inventive cutting blade
Label represents in figure：
1-upper surface, 2-lower surface, 3-side surface, 4-arc surface, 5-rake face, 6-faceted pebble, 7-main cutting edge,
8-arc edge, 9-groove bottom, 10-boss, 101-gear bits face, 11-anti-attrition groove, 12-installation through-hole, 13-groove
Bottom concave surface.
Embodiment
Accompanying drawing of the embodiment of the present invention being given for example only property explanation, it is impossible to be interpreted as limitation of the present invention.In order to more all right
Bright the present embodiment, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product；For this area
For technical staff, some known features and its explanation may be omitted and will be understood by accompanying drawing.It is below in conjunction with the accompanying drawings and real
Example is applied to be described further technical scheme.
Embodiment 1
Referring to Fig. 1 ~ 6, a kind of two-sided groove profile Indexable cutting inserts of semifinishing of the present embodiment offer to roughing, have more
The geometry of the setting symmetrical above and below of side shape, is provided with installation through-hole 12 at the geometric center of blade, including upper surface 1 and under
Surface 2, and the multiple side surfaces 3 extended between them, adjacent side surface 3 are connected by the transition of arc surface 4, the present embodiment
In, blade is the geometry of the setting symmetrical above and below of the equilateral non-side shape of isogonism 6, wherein, three acute angles are 80 °, three obtuse angles
For 160 °.Upper surface 1 or lower surface 2 are provided with no less than 1 drift angle A, and drift angle A has three in the present embodiment, adjacent in drift angle A
The angle of two side is 80 °, is provided with boss 10 between drift angle A and installation through-hole 12, the top plane of boss 10 for upper surface 1 or
Highest plane on lower surface 2, the side of boss 10 are gear bits face 101；
Each drift angle A is provided with a cutting unit, and cutting unit includes arc edge 8, main cutting edge 7 and chip-breaker, circle
Arc cutting edge 8 is crossed to form by arc surface 4 and upper surface 1 or lower surface 2, main cutting edge 7 by side surface 3 and upper surface 1 or under
Surface 2 is crossed to form；Chip-breaker includes starting the arc edge that is sequentially connected to the direction of installation through-hole 12 along arc edge 8
8th, faceted pebble 6, rake face 5, groove bottom 9, gear bits face 101 and top plane 10, faceted pebble 26 and rake face 5 are smoothly transitted by circular arc, preceding
Knife face 5 and groove bottom 9 are smoothly transitted by circular arc；Upper surface 1 or lower surface 2, which are additionally provided with, is depressed in groove bottom 9 and several to blade
The bottom land concave surface 13 of what center extension, is smoothly transitted between bottom land concave surface 13 and boss 10 and groove bottom 9 by circular arc, groove bottom 9
Gradually it is recessed to bottom land concave surface 13 and forms anti-attrition groove 11 to the extension of boss 10；
Wherein, cutting tip is symmetrical arranged on drift angle A angular bisectors.
Referring to Fig. 1 and Fig. 3, in the reference planes of parallel upper surface 2 and lower surface 2, the anti-attrition groove 11 is arranged in
Arranged along the direction of main cutting edge 7 from Circular Nose Cutting Edge 8 to blade center, arrangement quantity is not less than 2, in each main cutting in this example
Sword side all arranges 4 anti-attrition grooves 11, arrangement interval 1mm.11 maximum cup depth of anti-attrition groove is not less than 0.05mm, prolongs
Elongation is not less than 0.2mm.The depth being recessed in this example is equal to 0.05mm, and development length is more than 0.4mm, it is recessed to extend to bottom land
Face 13.
Referring to Fig. 5, on blade thickness direction, bottom land concave surface 13 to groove bottom 9 apart from ultimate range be h1, for guarantee
There are enough empty avoiding distances between chip and bottom land concave surface, h1 is not less than 0.03mm, this example h1=0.05mm, groove bottom 9 to circle
The distance of arc cutting edge 8 is h2,0.04mm≤h2≤0.18mm, and this distance setting is too small, can cause difficulty to chip breaking, too greatly
Then knife bits time of contact extends, h2=0.1mm in this example..
Referring to Fig. 4, gear bits face 101 includes gear bits face A and gear bits face B.Keep off bits face A and the intersection of upper surface 1 or lower surface 2
It is vertical with drift angle A angular bisector, gear bits face B and the intersection of upper surface 1 or lower surface 2 and drift angle A angular bisector angle
Less than 45 °, angle is 24 ° in the present embodiment.
Referring to Fig. 5, bottom land concave surface 13 gradually becomes at arc edge 8 when extending from gear bits face A to gear bits face B
It is narrow, turn into groove of the Radius equal to R, 0.05mm≤R≤0.8mm, R=0.16mm in this example, parallel at gear bits face A places
On the direction of upper surface 1, groove minimum point to the distance of arc edge 8 is S, 0.7mm≤S≤1.6mm, S in this example=
1.23mm, it can be very good to be engaged with chip breaking boss 10.
Obviously, above-described embodiment is only intended to clearly illustrate technical scheme example, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the field, on the basis of the above description also
It can make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all
All any modification, equivalent and improvement made within the spirit and principles in the present invention etc., should be included in right of the present invention will
Within the protection domain asked.
Claims (8)
1. a kind of semifinishing with two-sided groove profile Indexable cutting inserts, has the setting symmetrical above and below of polygon to roughing
Geometry, installation through-hole is provided with the geometric center of blade（12）, it is characterised in that including upper surface（1）And lower surface
（2）, and the multiple side surfaces extended between them（3）, adjacent side surface（3）By arc surface（4）Transition connects, described
Upper surface（1）Or lower surface（2）It is provided with and is no less than 1 drift angle A, drift angle A and installation through-hole（12）Between be provided with boss
（10）, the boss（10）Top plane be upper surface（1）Or lower surface（2）On highest plane, the boss（10）Side
For gear bits face（101）；
Each drift angle A is provided with a cutting unit, and cutting unit includes arc edge（8）, main cutting edge（7）And chip breaking
Groove, the arc edge（8）By arc surface（4）With upper surface（1）Or lower surface（2）It is crossed to form, the main cutting edge（7）
By side surface（3）With upper surface（1）Or lower surface（2）It is crossed to form；
The chip-breaker is included along arc edge（8）Start to installation through-hole（12）The arc edge that direction is sequentially connected
（8）, faceted pebble（6）, rake face（5）, groove bottom（9）, gear bits face（101）With top plane；
Upper surface（1）Or lower surface（2）It is additionally provided with and is depressed in groove bottom（9）And to blade geometric center extend bottom land concave surface
（13）, groove bottom（9）To bottom land concave surface（13）Gradually depression and to boss（10）Extension forms anti-attrition groove（11）；
Wherein, the cutting tip is symmetrical arranged on drift angle A angular bisectors.
2. two-sided groove profile Indexable cutting inserts according to claim 1, it is characterised in that the faceted pebble（26）With preceding knife
Face（5）Smoothly transitted by circular arc, rake face（5）And groove bottom（9）Smoothly transitted by circular arc, the bottom land concave surface（12）With boss
（10）And groove bottom（9）Between smoothly transitted by circular arc.
3. two-sided groove profile Indexable cutting inserts according to claim 1, it is characterised in that the anti-attrition groove（11）Edge
Main cutting edge direction is by arc edge（8）Arranged to blade center.
4. two-sided groove profile Indexable cutting inserts according to claim 1, it is characterised in that the anti-attrition groove（11）Most
Big cup depth is not less than 0.05mm, and development length is not less than 0.2mm.
5. the two-sided groove profile Indexable cutting inserts according to any one of claim 1 ~ 4, it is characterised in that each cutting is single
Anti-attrition groove described in member（11）Arrange that quantity is not less than 4, the anti-attrition groove is divided to two groups, and to be respectively placed in boss both sides symmetrical
Arrangement, arrangement interval is more than 0.5mm, less than 1.5mm.
6. two-sided groove profile Indexable cutting inserts according to claim 1, it is characterised in that on blade thickness direction,
The bottom land concave surface（13）To groove bottom（9）Be h1 apart from ultimate range, h1 is not less than 0.03mm, the groove bottom（9）Arrive
Arc edge（8）Distance be h2,0.04≤h2≤0.18.
7. two-sided groove profile Indexable cutting inserts according to claim 1, it is characterised in that the gear bits face（101）Bag
Include gear bits face A and gear bits face B, the gear bits face A and upper surface（1）Or lower surface（2）The angular bisector of intersection and drift angle A hang down
Directly, the gear bits face B and upper surface（1）Or lower surface（2）The intersection and drift angle A angle of angular bisector be less than 45 °.
8. two-sided groove profile Indexable cutting inserts according to claim 7, it is characterised in that the bottom land concave surface（13）
Close to arc edge（8）Place, from gear bits face A to being become narrow gradually during gear bits face B extensions, turn into Radius etc. at gear bits face A
In R groove, 0.05mm≤R≤0.8mm, in parallel upper surface（1）Direction on, groove minimum point to arc edge（8）
Distance be S, 0.7mm≤S≤1.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711182484.6A CN107775020B (en) | 2017-11-23 | 2017-11-23 | Double-sided groove type indexable cutting blade for semi-finishing or rough machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711182484.6A CN107775020B (en) | 2017-11-23 | 2017-11-23 | Double-sided groove type indexable cutting blade for semi-finishing or rough machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107775020A true CN107775020A (en) | 2018-03-09 |
| CN107775020B CN107775020B (en) | 2024-05-24 |
Family
ID=61430675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711182484.6A Active CN107775020B (en) | 2017-11-23 | 2017-11-23 | Double-sided groove type indexable cutting blade for semi-finishing or rough machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107775020B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203554A (en) * | 2019-10-11 | 2020-05-29 | 株洲欧科亿数控精密刀具股份有限公司 | Indexable turning insert with integrated rough machining and finish machining |
| CN115446339A (en) * | 2022-09-28 | 2022-12-09 | 株洲钻石切削刀具股份有限公司 | Indexable turning blade |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0422586A2 (en) * | 1989-10-11 | 1991-04-17 | Sumitomo Electric Industries, Ltd. | Throw away insert |
| CN103008702A (en) * | 2012-12-24 | 2013-04-03 | 株洲欧科亿硬质合金有限公司 | Polygonal cutting blade for processing soft metal material |
| CN103551615A (en) * | 2013-11-01 | 2014-02-05 | 株洲欧科亿硬质合金有限公司 | Double-sided cutting blade capable of transferring |
| CN205927154U (en) * | 2016-08-18 | 2017-02-08 | 台州市锐安硬质合金工具有限公司 | But transposition turning tool piece |
| CN206500645U (en) * | 2017-02-28 | 2017-09-19 | 哈尔滨理工大学 | 300M unimach DRY CUTTING semifinishing indexable turning blades |
| CN206561130U (en) * | 2017-01-19 | 2017-10-17 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of two-sided roughing cutting tip |
| CN107363276A (en) * | 2017-08-31 | 2017-11-21 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of two-sided groove profile Indexable cutting inserts |
| CN207606294U (en) * | 2017-11-23 | 2018-07-13 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of semifinishing or the two-sided groove profile Indexable cutting inserts of roughing |
-
2017
- 2017-11-23 CN CN201711182484.6A patent/CN107775020B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0422586A2 (en) * | 1989-10-11 | 1991-04-17 | Sumitomo Electric Industries, Ltd. | Throw away insert |
| CN103008702A (en) * | 2012-12-24 | 2013-04-03 | 株洲欧科亿硬质合金有限公司 | Polygonal cutting blade for processing soft metal material |
| CN103551615A (en) * | 2013-11-01 | 2014-02-05 | 株洲欧科亿硬质合金有限公司 | Double-sided cutting blade capable of transferring |
| CN205927154U (en) * | 2016-08-18 | 2017-02-08 | 台州市锐安硬质合金工具有限公司 | But transposition turning tool piece |
| CN206561130U (en) * | 2017-01-19 | 2017-10-17 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of two-sided roughing cutting tip |
| CN206500645U (en) * | 2017-02-28 | 2017-09-19 | 哈尔滨理工大学 | 300M unimach DRY CUTTING semifinishing indexable turning blades |
| CN107363276A (en) * | 2017-08-31 | 2017-11-21 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of two-sided groove profile Indexable cutting inserts |
| CN207606294U (en) * | 2017-11-23 | 2018-07-13 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of semifinishing or the two-sided groove profile Indexable cutting inserts of roughing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203554A (en) * | 2019-10-11 | 2020-05-29 | 株洲欧科亿数控精密刀具股份有限公司 | Indexable turning insert with integrated rough machining and finish machining |
| CN115446339A (en) * | 2022-09-28 | 2022-12-09 | 株洲钻石切削刀具股份有限公司 | Indexable turning blade |
| CN115446339B (en) * | 2022-09-28 | 2024-03-08 | 株洲钻石切削刀具股份有限公司 | Indexable turning blade |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107775020B (en) | 2024-05-24 |
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Address after: 412500 Yanling small and medium enterprises Pioneering Park, Yanling, Zhuzhou, China Applicant after: OKE PRECISION CUTTING TOOLS Co.,Ltd. Address before: 412000 No. four Chuang four road, Tung Jia hi high tech park, Zhuzhou, Hunan Applicant before: OKE PRECISION CUTTING TOOLS Co.,Ltd. |
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