CN109014258A - One kind being used for the semi-finished indexable turning blade of titanium alloy - Google Patents
One kind being used for the semi-finished indexable turning blade of titanium alloy Download PDFInfo
- Publication number
- CN109014258A CN109014258A CN201811052149.9A CN201811052149A CN109014258A CN 109014258 A CN109014258 A CN 109014258A CN 201811052149 A CN201811052149 A CN 201811052149A CN 109014258 A CN109014258 A CN 109014258A
- Authority
- CN
- China
- Prior art keywords
- titanium alloy
- semi
- face
- cutting edge
- turning blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims abstract description 71
- 230000007704 transition Effects 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 2
- 235000003283 Pachira macrocarpa Nutrition 0.000 claims 1
- 241001083492 Trapa Species 0.000 claims 1
- 235000014364 Trapa natans Nutrition 0.000 claims 1
- 235000009165 saligot Nutrition 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005477 standard model Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005457 optimization Methods 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
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
-
- 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
- B23B27/10—Cutting tools with special provision for cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/04—Overall shape
- B23B2200/0428—Lozenge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
- B23B2222/88—Titanium
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The present invention provides one kind to be used for the semi-finished indexable turning blade of titanium alloy, including upper surface, lower surface, four side planes and four side arc surfaces, lower surface is oppositely arranged with upper surface, four side planes and four side arc surfaces are between upper and lower surfaces, turning insert further includes cutting unit, and cutting unit includes linear cutting edge, circular arc point of a knife sword, chip-breaker；Linear cutting edge is crossed to form by upper surface, lower surface and side plane, and the circular arc point of a knife sword is crossed to form by upper surface, lower surface and side arc surface, and the linear cutting edge and circular arc point of a knife sword are all positive chamfered edge cutting edge, and all rounded；Chip-breaker since linear cutting edge to the sequentially connected major first face of center position, the second rake face, transition circle cambered surface and volume bits face from forming.Turning insert cutting resistance of the invention is small, and cutting temperature is low, and cutter bonding abrasion is small, it can be achieved that processing in the case where normal pressure is cooling.
Description
Technical field
The present invention relates to a kind of machine process cutting tool pieces, in particular to a kind of to be used for the semi-finished indexable turning tool of titanium alloy
Piece.
Background technique
In modern industry, using titanium alloy as the difficult-to-machine material of Typical Representative, calorific intensity high and low temperature good with its thermal stability
Performance is good, the excellent service performance such as corrosion-resistant Modern High-Tech's industry numerous areas (especially aerospace, automobile and
Electronic field) in have a very important role.However, titanium alloy has, thermal coefficient is small, high temeperature chemistry is big, elasticity modulus
Low feature.To lead in titanium alloy cutting process that there are cutting force big, cutting temperature is high, viscous knife is serious, cutter life is short,
The problems such as chip control is difficult, vibration is big, machining accuracy is not high.Solve one of the effective way of these difficult-to-machine material processing problems
It is optimization tool geometrical parameter and its chip-breaker, designs the cutter for being able to satisfy processing request.
Chinese patent CN204843014U proposes a kind of cooling lower titanium alloy semifinishing indexable turning blade of high pressure,
The blade can reduce cutting force, cutting temperature to a certain extent under high pressure cooling condition, improve the service life of blade, change
Kind workpiece surface integrality, while improving machining efficiency.If but not using high pressure cooling, cutting temperature is still very high, still
It needs to be further improved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides one kind to be used for the semi-finished indexable turning blade of titanium alloy,
Its purpose is to solve most of turning inserts at this stage, during cutting titanium alloy, cutting resistance is big, cutting temperature is high, knife
Tool bonding abrasion is big, needs the problem of processing in the case where high pressure is cooling.
In order to achieve the above object, the embodiment provides following technical schemes:
The present invention is used for the semi-finished indexable turning blade of titanium alloy, and the appearance profile of the turning insert horizontal cross-section is
Diamond shape, the turning insert include upper surface, lower surface, four side planes and four side arc surfaces, the lower surface and upper surface
It is oppositely arranged, between upper and lower surfaces, the turning insert further includes for four side planes and four side arc surfaces
Cutting unit, the cutting unit include linear cutting edge, circular arc point of a knife sword, chip-breaker；
The linear cutting edge is crossed to form by upper surface, lower surface and side plane, the circular arc point of a knife sword by upper surface,
Lower surface and side arc surface are crossed to form, and the linear cutting edge and circular arc point of a knife sword are all positive chamfered edge cutting edge, and all through circle
Change processing；
The chip-breaker from since linear cutting edge to knife before the sequentially connected major first face of center position, second
Face, transition circle cambered surface and volume bits face composition, the groove width of the chip-breaker are 1.8~2.2mm, and groove depth is 0.33~0.41mm.
Preferably, four side planes and four side arc surfaces are vertical with the upper surface and the lower surface, and relief angle is 0 °.
Preferably, support floors are evenly distributed in the upper and lower surfaces, the support floors are horizontal plane.
Preferably, the chamfered edge width of the linear cutting edge and circular arc point of a knife sword is 0.04mm, and chamfered edge angle is 6 °.
Preferably, the vertical height of the linear cutting edge and circular arc point of a knife sword to support floors is 0.1~0.15mm.
Preferably, the sphering value of the sphering processing is 0.025~0.035mm.
Preferably, projection width of the major first face in upper surface is 0.35~0.45mm, and the angle with upper surface
It is 12~14 °.
Preferably, projection width of second rake face in upper surface is 0.18~0.22mm, and is 20 with the angle of upper surface
~23 °.
Preferably, the transition circle cambered surface arc radius is 0.6~0.9mm, tangent with the second rake face, volume bits face respectively
Connection.
Preferably, projection width of the volume bits face in upper surface is 0.7~0.9mm, and with the angle of upper surface be 20~
26°。
The present invention has the advantage that:
The positive chamfered edge of linear cutting edge and circular arc point of a knife sword is combined with biggish double anterior angles in turning insert of the invention, sword
Mouth is sharp, and cutting is smooth, thus cutting resistance can be effectively reduced.
Chip-breaker is wider in turning insert of the invention, includes major first face, the second rake face, transition circle cambered surface and angle
Gentle volume considers face to be worth doing, and therefore, volume bits are smooth, chip removal is smooth, and then it is small to rub, and cutting temperature is low, and cutter bonding abrasion is small.
The present invention has carried out positive chamfered edge, sphering processing on sharp cutting edge, and suitable sphering value, chamfered edge parameter make sword
Mouth can enhance cutting edge strength again while sharp, reduce blade abrasion speed, therefore cutter life is long.
The volume bits of turning insert of the present invention are smooth, and chip removal is smooth, and support floors are distributed evenly in mounting hole surrounding in addition, by
Power is uniform, firmly installs, therefore cutting process vibration is small, cutting is stablized, and can effectively improve work pieces process efficiency and machining accuracy.This
The turning insert cutting resistance of invention is small, and cutting temperature is low, and cutter bonding abrasion is small, therefore blade is processed in the case where normal pressure is cooling,
Enhance cooling effect without high pressure cooling, reduces cutting cost.
Detailed description of the invention
Fig. 1 is the perspective view of turning insert of the present invention.
Fig. 2 is the main view of turning insert of the present invention.
Fig. 3 is in Fig. 2 of the present invention along the cross-sectional view of F-F line.
Description of symbols: 1, upper surface；2, lower surface；3, side plane；4, side arc surface；5, cutting unit；51, straight line
Cutting edge；52, circular arc point of a knife sword；531, major first face；532, the second rake face；533, transition circle cambered surface；534, bits face is rolled up；
6, mounting hole；7, support floors；8, words identification；9, upper and lower surface distinguishing identifier.
Specific embodiment
For a further understanding of the present invention, the preferred embodiments of the invention are made below in conjunction with embodiment further detailed
Thin description, but the present embodiment and its attached drawing are merely illustrative, and are not considered as limiting the invention.In order to more preferable
Ground illustrates the present embodiment, can have omission to the certain structures of attached drawing or to the explanation of certain structures, for those skilled in the art
For, the certain known features or its explanation for omitting attached drawing will be understood by.
As shown in Figure 1 to Figure 3, one kind of the present embodiment is used for the semi-finished indexable turning blade of titanium alloy, blade master
Body profile uses ISO international standard model: CNMG120408.By the standard it is found that the appearance profile of the blade horizontal cross-section
The diamond shape successively alternately constituted for 2 80 ° of angles and 2 100 ° of angles.Under the blade includes upper surface 1, is opposite to the upper surface
Surface 2, the side plane 3 being formed between the upper surface 1 and lower surface 2 and side arc surface 4 are arranged at 80 ° of angles of upper and lower surface
The cutting unit 5 at place, the mounting hole 6 that blade center position is arranged in, the support floors 7 that mounting hole periphery is arranged in, setting exist
Words identification 8, upper and lower surface distinguishing identifier 9 between support floors and centre bore.It removes and is provided with upper and lower surface in upper surface 1
Outside distinguishing identifier 9, other are identical with lower surface 2.Cutting unit 5 includes linear cutting edge 51, circular arc point of a knife sword 52 and breaks
Consider slot to be worth doing；Linear cutting edge 51 is crossed to form by upper and lower surface and side plane, and circular arc point of a knife sword 52 is by upper and lower surface and side arc surface
It is crossed to form.
Chip-breaker from since cutting edge to the sequentially connected major first face 531 in mounting hole direction, the second rake face
532, transition circle cambered surface 533, volume bits face 534 form.The arc radius of the circular arc point of a knife sword 52 is 0.8mm.Side plane 3 and side
Arc surface 4 is vertical with upper and lower surface, and relief angle is 0 °.Projection width of the major first face 531 in upper surface is 0.35~0.45mm, and
With upper surface there are the first anterior angle α, the first anterior angle α be 12~14 °；Projection width of second rake face 532 in upper surface is 0.18
~0.22mm, and with upper surface there are angle beta before second, angle beta is 20~23 ° before second.
Linear cutting edge 51 and circular arc point of a knife sword 52 are all positive chamfered edge cutting edge, and chamfered edge width is preferably 0.04mm, chamfered edge
Angle is 6 °.The vertical height of linear cutting edge 51 and circular arc point of a knife sword 52 to support floors 7 is h1, h1For 0.1~0.15mm.
Sharp using biggish lathe tool anterior angle, cutting edge, cutting is smooth, and cutting resistance can be effectively reduced.Sharp cutting edge has carried out sphering
Processing, sphering value is preferably 0.025~0.035mm.Energy again while suitable sphering value and chamfered edge parameter make cutting edge sharp
Enhance cutting edge strength.
Volume bits face is inclined-plane, and projection of the volume bits face 534 in upper surface 1 is wide to be set as 0.7~0.9mm, with level side
To there are angle γ, γ to be set as 20~26 °, angle is gentle.Transition circle cambered surface 533 is placed in the second rake face 532 and volume bits face
Between 534, and with both tangent connections；The arc radius of arc surface is 0.6~0.9mm.Before major first face 531, second
Knife face 532, transition circle cambered surface 533, volume bits face 544 4 form wider and fairing chip-breaker, and groove width L is 1.8~2.2mm,
Groove depth h2For 0.33~0.41mm.So volume bits are smooth, chip removal is smooth, and then it is small to rub, and cutting temperature is low, cutter bonding abrasion
It is small.
Blade upper surface 1 and lower surface 2 are uniformly distributed that there are four support floors in mounting hole surrounding.It is above when processing
A face in lower surface is cutting face, another is positioning surface, and equally distributed four support floors stress are equal on positioning surface
It is even, blade positioning precision is improved, is firmly installed, therefore cutting process vibration is small, cutting is stablized, and can effectively improve work pieces process table
Face quality and processing efficiency.
Upper surface 1 and lower surface 2 are all containing there are four linear cutting edge 51 and two circular arc point of a knife swords 52.Four side planes 3
Vertical with upper and lower surface with side arc surface 4, relief angle is 0 °, and upper surface 1 is in addition to being provided with upper and lower surface distinguishing identifier 9,
Other are identical with lower surface 2.It, can be by knife when the cutting edge 51 on one of face or after all abrasions of circular arc point of a knife sword 52
Piece upper and lower surface is reverse, using on another face cutting edge 51 and circular arc point of a knife sword 52 continue to process, improve knife in this way
The service life of piece.
The word marking 8 includes chip breaking groove profile code name and circular arc point of a knife sword code name.Chip breaking groove profile code name is named as " WM ",
Circular arc point of a knife sword code name is " 08 ".After marking in this way, can readily recognize this blade is for titanium alloy semifinishing knife
The radius of the circular arc point of a knife sword of piece and the blade is 0.8mm.
Above-mentioned turning insert, upper and lower surface distinguishing identifier 9 are located at blade upper surface, be a spherical female, the spherical female it is straight
Diameter can be 0.5~1mm；The spherical female can be set on chip breaking groove profile code name " WM " side, also can be set in circular arc point of a knife sword
Code name " 08 " is other.
The present invention is by indexable insert tip, throw away tip ISO international standard model: for CNMG120408, but not limited to this.The present invention
TiALN physics coating can also be increased for blade, under as long as it does not depart from the spirit of the invention, all equivalent technical solutions should all
It belongs to the scope of protection of the present invention.
Claims (10)
1. one kind is used for the semi-finished indexable turning blade of titanium alloy, the appearance profile of the turning insert horizontal cross-section is water chestnut
Shape, the turning insert include upper surface, lower surface, four side planes and four side arc surfaces, the lower surface and upper surface phase
To setting, four side planes and four side arc surfaces are between upper and lower surfaces, which is characterized in that the lathe tool
Piece further includes cutting unit, and the cutting unit includes linear cutting edge, circular arc point of a knife sword, chip-breaker；
The linear cutting edge is crossed to form by upper surface, lower surface and side plane, and the circular arc point of a knife sword is by upper surface, following table
Face and side arc surface are crossed to form, and the linear cutting edge and circular arc point of a knife sword are positive chamfered edge cutting edge, and all rounded；
The chip-breaker from since linear cutting edge to the sequentially connected major first face of center position, the second rake face, mistake
Arc surface and volume bits face composition are crossed, the groove width of the chip-breaker is 1.8~2.2mm, and groove depth is 0.33~0.41mm.
2. being used for the semi-finished indexable turning blade of titanium alloy according to claim 1, which is characterized in that four sides
Plane and four side arc surfaces are vertical with the upper surface and the lower surface, and relief angle is 0 °.
3. according to claim 1 or claim 2 be used for the semi-finished indexable turning blade of titanium alloy, which is characterized in that on described
Support floors are evenly distributed on surface and lower surface, the support floors are horizontal plane.
4. being used for the semi-finished indexable turning blade of titanium alloy according to claim 1, which is characterized in that the straight line is cut
The chamfered edge width for cutting sword and circular arc point of a knife sword is 0.04mm, and chamfered edge angle is 6 °.
5. according to claim 1 or 3 is described for the semi-finished indexable turning blade of titanium alloy, which is characterized in that described straight
The vertical height of line cutting edge and circular arc point of a knife sword to support floors is 0.1~0.15mm.
6. being used for the semi-finished indexable turning blade of titanium alloy according to claim 1, which is characterized in that at the sphering
The sphering value of reason is 0.025~0.035mm.
7. being used for the semi-finished indexable turning blade of titanium alloy according to claim 1, which is characterized in that before described first
Projection width of the knife face in upper surface is 0.35~0.45mm, and is 12~14 ° with the angle of upper surface.
8. being used for the semi-finished indexable turning blade of titanium alloy according to claim 1, which is characterized in that the second rake face
Projection width in upper surface is 0.18~0.22mm, and is 20~23 ° with the angle of upper surface.
9. being used for the semi-finished indexable turning blade of titanium alloy according to claim 1, which is characterized in that the transition circle
Cambered surface arc radius be 0.6~0.9mm, respectively with the second rake face, volume the tangent connection in bits face.
10. being used for the semi-finished indexable turning blade of titanium alloy according to claim 1, which is characterized in that the volume bits
Projection width of the face in upper surface is 0.7~0.9mm, and is 20~26 ° with the angle of upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811052149.9A CN109014258A (en) | 2018-09-10 | 2018-09-10 | One kind being used for the semi-finished indexable turning blade of titanium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811052149.9A CN109014258A (en) | 2018-09-10 | 2018-09-10 | One kind being used for the semi-finished indexable turning blade of titanium alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109014258A true CN109014258A (en) | 2018-12-18 |
Family
ID=64621162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811052149.9A Pending CN109014258A (en) | 2018-09-10 | 2018-09-10 | One kind being used for the semi-finished indexable turning blade of titanium alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109014258A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482919A (en) * | 2019-01-08 | 2019-03-19 | 广东工业大学 | A kind of Indexable cutting inserts with chip breaking structure |
| CN110842232A (en) * | 2019-10-17 | 2020-02-28 | 江苏科技大学 | Indexable turning tool with dredging chip removal structure |
| CN112496365A (en) * | 2020-12-08 | 2021-03-16 | 赣州澳克泰工具技术有限公司 | Indexable turning blade |
| CN112517943A (en) * | 2020-12-27 | 2021-03-19 | 河北恒卓金属切削工具有限公司 | Novel alloy blade |
| CN113828812A (en) * | 2021-09-17 | 2021-12-24 | 厦门金鹭特种合金有限公司 | Turning blade capable of resisting boundary abrasion |
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| CN103143741A (en) * | 2012-12-24 | 2013-06-12 | 株洲欧科亿硬质合金有限公司 | Indexable double-surface grooved cutting insert |
| CN104858460A (en) * | 2015-05-06 | 2015-08-26 | 株洲钻石切削刀具股份有限公司 | Rotary turning blade |
| CN204843014U (en) * | 2015-05-06 | 2015-12-09 | 哈尔滨理工大学 | High pressure cooling cutting titanium alloy semifinishing blade that needs car |
| CN205386638U (en) * | 2016-01-11 | 2016-07-20 | 哈尔滨理工大学 | High temperature alloy high pressure cooling cutting semifinishing blade that needs car |
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| CN207188816U (en) * | 2017-07-04 | 2018-04-06 | 株洲欧科亿数控精密刀具股份有限公司 | One kind is used for the semi-finished Indexable cutting inserts of high temperature alloy |
| CN208758638U (en) * | 2018-09-10 | 2019-04-19 | 株洲华锐精密工具股份有限公司 | One kind being used for the semi-finished indexable turning blade of titanium alloy |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20130094914A1 (en) * | 2010-05-11 | 2013-04-18 | Tungaloy Corporation | Cutting insert having chip breaker |
| CN103143741A (en) * | 2012-12-24 | 2013-06-12 | 株洲欧科亿硬质合金有限公司 | Indexable double-surface grooved cutting insert |
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| CN104858460A (en) * | 2015-05-06 | 2015-08-26 | 株洲钻石切削刀具股份有限公司 | Rotary turning blade |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482919A (en) * | 2019-01-08 | 2019-03-19 | 广东工业大学 | A kind of Indexable cutting inserts with chip breaking structure |
| CN110842232A (en) * | 2019-10-17 | 2020-02-28 | 江苏科技大学 | Indexable turning tool with dredging chip removal structure |
| WO2021073007A1 (en) * | 2019-10-17 | 2021-04-22 | 江苏科技大学 | Indexable tool bit having dredging and chip removal structure |
| CN112496365A (en) * | 2020-12-08 | 2021-03-16 | 赣州澳克泰工具技术有限公司 | Indexable turning blade |
| CN112517943A (en) * | 2020-12-27 | 2021-03-19 | 河北恒卓金属切削工具有限公司 | Novel alloy blade |
| CN113828812A (en) * | 2021-09-17 | 2021-12-24 | 厦门金鹭特种合金有限公司 | Turning blade capable of resisting boundary abrasion |
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