CN109773225A - A kind of non-equidistant texture finishing anti-attrition turning insert - Google Patents
A kind of non-equidistant texture finishing anti-attrition turning insert Download PDFInfo
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- CN109773225A CN109773225A CN201811607274.1A CN201811607274A CN109773225A CN 109773225 A CN109773225 A CN 109773225A CN 201811607274 A CN201811607274 A CN 201811607274A CN 109773225 A CN109773225 A CN 109773225A
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Abstract
A kind of non-equidistant texture finishing anti-attrition turning insert, the blade all devises the micro- texture of non-equidistant of the groove widths and spacing such as not on front and rear knife face, cutter stress distribution situation when its distribution mode is according to cutting, it is close rear thin before being designed as, more intensive apart from the nearlyr texture of cutting edge, groove width is smaller, reduces micro- texture and damaged problem occurs, the abrasion and breakage for alleviating cutter, reduce cutting force；It is machined with chip breaker on blade rake face, controls chip breaking；Blade cut sword is curve sword, changes chip-flowing, and chip is avoided to wind or scratch workpiece.Volume slot is devised on the polygon boss of rake face, diversion trench enhances blade heat-sinking capability, reduces cutting temperature.
Description
Technical field
The present invention relates to a kind of non-equidistant texture to finish anti-attrition turning insert.Belong to metal cutting process cutter anti-attrition technology
Field is mainly used in high temperature alloy finishing passes under Areoponics culture.
Background technique
Nickel base superalloy GH4169 is a kind of high rigidity, high intensity, corrosion-resistant, nickel-bass alloy material resistant to high temperature, i.e.,
Make still to be able to maintain good stability in the environment of very severe.Because of its excellent performance, it is widely used in recent years
In aviation field.Nickel base superalloy GH4169 is commonly used to production aerospace engine and wheel disc, the blade of gas turbine etc.
The material of heat-resisting components occupies critical role in Aeronautics and Astronautics and atomic energy industry.In recent years, with national defense industry
Rapid development, the fields such as automobile, aerospace achieve huge progress, the demand of the materials such as high temperature alloy are increasingly increased
Add, this allows for realizing that the high-efficient cutting of high-temperature alloy material becomes particularly important.But since the high fever of nickel base superalloy is steady
The characteristics of qualitative, high rigidity, cutting occur that processing hardening is serious, cutting force fluctuation is big, cutting temperature is high, cutting becomes often
A series of problems, such as shape is big becomes a kind of typical difficult-to-machine material.Common cutter is during turning nickel base superalloy
Chip often occurs and glues knife, tool wear is serious, and failure is fast, and the service life is short, so that product surface precision and quality is difficult to reach expected
Value, processing efficiency is low, and is unable to reach the ideal effect of high-efficient cutting.In addition, being seriously worn of cutter, it is damaged make workpiece plus
Work precision and surface integrity are difficult to ensure.Ordinary blade is difficult to meet process requirements, so for finishing high-temperature nickel-based conjunction
The research of golden blade anti-attrition and innovation are extremely urgent.
Summary of the invention
The technical problem to be solved in the present invention:
It is to solve in high temperature alloy finishing passes, it is big cutting force often occur, and cutting temperature is high, tool wear, badly broken
The problems such as, the present invention provides a kind of non-equidistant texture to finish anti-attrition turning insert, is mainly used in high temperature under Areoponics culture and closes
Aurin process.The blade can effectively mitigate blade abrasion and breakage, reduce cutting force, and chip is avoided to scratch workpiece,
Enhance the heat-sinking capability of blade, reduces cutting temperature.
The technical scheme adopted by the invention to solve the technical problem is that:
Vane body is designed as 80 ° of diamond shape turning inserts, and arc radius 0.8mm, material is hard alloy.At rake face point of a knife
Be distributed with the micro- texture of arc of not equidimension, and according to rake face stress distribution situation, micro- texture use it is preceding it is close after dredge
Distribution mode, more intensive apart from the nearlyr texture of cutting edge, micro- texture of this pattern can effectively reduce knife-bits contact surface
Product reduces the friction between knife-bits, reduces cutting force, and then reach the purpose for reducing rake wear.In addition, according to stress point
The preceding close rear thin distribution mode of cloth, narrow and close in the biggish micro- texture in place of stress, the lesser micro- texture in place of stress is wide and thin,
Avoid the generation of micro- texture breakage.The present invention also devises micro- texture in flank, and shape is pit, is distributed in dot matrix.
Function and effect are similar with rake face.Unlike, although the antifriction effect of the micro- texture of dimple-shaped is inferior to the micro- texture of ditch flute profile, but its
With bigger bearing strength, the violent extruding to avoid flank and workpiece machined surface causes micro- texture that breakage occurs.Knife
It is machined with chip breaker on piece rake face, when chip breaker is flowed through in chip, makes chip that upward curling occur, controls chip breaking.
Blade cut sword is curve sword, and curve sword changes the direction of chip outflow, it is discharged towards chip breaker direction, far from workpiece
Machined surface avoids chip from scratching workpiece.The boss of blade upper surface middle part, is used to support blade.Flute profile on boss is set
On the one hand meter increases the heat dissipation area of tool surface, reduce temperature.On the other hand, can accommodating portion cutting fluid, make it through
Diversion trench flows at micro- texture of rake face, provides lubricating action for it.Furthermore capsule shape of the rake face at cutting edge is convex
It rises, enhances the heat-sinking capability at cutting edge.
The beneficial effects of the present invention are:
The abrasion and damaged problem of blade, reduce cutting force when alleviating cutting nickel base superalloy；Chip breaking is controlled,
Change chip-flowing, chip is avoided to wind or scratch workpiece；Enhance blade heat-sinking capability, reduces cutting temperature.
Detailed description of the invention:
Fig. 1 non-equidistant texture finishes anti-attrition turning insert three-dimensional figure；
The micro- texture three-dimensional enlarged drawing of Fig. 2 front and rear knife face；
Fig. 3 non-equidistant texture finishes anti-attrition turning insert top view and partial enlarged view；
Fig. 4 non-equidistant texture finishes anti-attrition turning insert front view and partial enlarged view；
Fig. 5 non-equidistant texture finishes anti-attrition turning insert and just waits side views；
Marked in the figure: the 1 micro- texture of non-equidistant arcuate furrow；The 2 micro- texture of non-equidistant dot matrix pit；3 chip breakers；4 volume slots；5 is bent
Line sword；6 polygon boss；7 capsule shapes protrusion；8 diversion trenches.
Specific embodiment:
Fig. 1 is that non-equidistant texture finishes anti-attrition turning insert three-dimensional figure, and vane body is designed as 80 ° of diamond shape turning inserts, circular arc half
Diameter is 0.8mm, and material is hard alloy.
Fig. 2 is micro- texture three-dimensional enlarged drawing, the respectively enlarged drawing of the micro- texture of rake face and the micro- texture of flank.
The micro- texture of non-equidistant arcuate furrow (1) is distributed in Fig. 3, on rake face, the groove width of micro- texture differs, size
It is 20 μm that size, which meets first term, the arithmetic progression that tolerance is 5 μm.It is 60 μm that texture spacing dimension, which meets first term, and tolerance is 10 μm
Arithmetic progression.For distribution mode to be more intensive apart from the nearlyr texture of cutting edge, texture groove width is smaller.In cutting nickel base superalloy
When, rake face and chip close contact, opposite sliding generate high temperature and pressure, and the introducing of micro- texture can be effective on rake face
Reduce knife-bits contact area, reduces the friction between knife-bits, reduce the frictional force between knife-bits contact surface, to reach reduction
Cutting force reduces the purpose of rake wear.But micro- texture of unreasonable size and layout is often aggravated cutter and is broken
Damage, the stress distribution of rake face is simultaneously uneven, often shows as closer apart from cutting edge, and stress is bigger, easier to make micro- texture
Breakage occurs, for such situation, the layout of the micro- texture of the present invention is used according to rake face stress distribution situation, micro- texture
Preceding close rear thin distribution mode, and texture groove width reduces with the reduction away from cutting edge distance.It is larger thus to show as stress
The micro- texture in place it is narrow and close, the lesser micro- texture in place of stress is wide and thin, avoids the generation of micro- texture breakage.
The micro- texture of non-equidistant dot matrix pit (2) is distributed in Fig. 4, in flank, is different from rake face, shape is recessed
Hole is distributed in dot matrix.Pit diameter is that meet first term be 20 μm to size, the arithmetic progression that tolerance is 5 μm.Texture spacing
It is 60 μm that size, which meets first term, the arithmetic progression that tolerance is 10 μm.Distribution mode is similar with the micro- texture of rake face, apart from cutting edge
Nearlyr texture is more intensive, and texture groove width is smaller.Although the antifriction effect of the micro- texture of dimple-shaped is inferior to the micro- texture of ditch flute profile, but it has
There is bigger bearing strength.In flank, due to the elastoplasticity of workpiece itself, flank and workpiece machined surface occur acutely
Friction and extruding, the introducing of the micro- texture of pit, on the one hand reduction friction similar with rake face texture.On the other hand, pit is micro- knits
Structure can accommodating portion abrasive grain, reduce the abrasive wear that occurs in flank.
In Fig. 5, it is machined with chip breaker (3) on blade rake face, when chip breaker is flowed through in chip, chip occurs upward
Curling, when curling to a certain extent when, as cutting carries out generating violent swing, chip fractures, and reaches chip breaking purpose.
Curve sword (5) so that every cutting edge inclination is all different on cutting edge, when cutting since curve sword acts on so that cutter exist it is certain
Positive cutting edge inclination, the presence of cutting edge inclination changes the direction of chip outflow, it is discharged towards chip breaker direction, far from workpiece
Machined surface avoids chip from scratching workpiece.Positioned at the polygon boss (6) of blade upper surface middle part, it is used to support blade, is kept away
Cutting edge is directly contacted with knife rest clamping part when exempting to install blade, damages lower surface cutting edge.Volume slot (4) on boss,
On the one hand the heat dissipation area of tool surface is increased, temperature is reduced.On the other hand, can accommodating portion cutting fluid, make it through and lead
Chute (8) flows at micro- texture of rake face, provides lubricant effect for it, and antifriction effect is more in the case where there is lubrication for micro- texture
It is good.Furthermore the capsule shape on rake face at cutting edge is raised (7), increases heat dissipation area, enhances at tool in cutting sword
Heat-sinking capability.
Claims (5)
1. a kind of non-equidistant texture finishes anti-attrition turning insert, vane body is designed as 80 ° of diamond shape turning inserts, and arc radius is
0.8mm, material are hard alloy, are machined with chip breaker and radiating groove on rake face, it is characterized in that: the punishment of rake face point of a knife is furnished with
The micro- texture of non-equidistant arcuate furrow, the punishment of flank point of a knife are furnished with the micro- texture of non-equidistant dot matrix pit.
2. a kind of non-equidistant texture according to claim 1 finishes anti-attrition turning insert, it is characterized in that: the micro- texture of rake face
Shape is the micro- texture of circular arc type groove of the groove widths and spacing such as not, and it is 20 μm that groove width size, which meets first term, the equal difference that tolerance is 5 μm
Ordered series of numbers, it is 60 μm that spacing dimension, which meets first term, the arithmetic progression that tolerance is 10 μm, and distribution mode is preceding close rear thin, distance cutting
Sword is closer, and texture is more intensive, and texture groove width is smaller.
3. a kind of non-equidistant texture according to claim 1 finishes anti-attrition turning insert, it is characterized in that: the micro- texture of flank
Shape is the micro- texture of dot matrix pit of not equal diameter and spacing, and it is 20 μm that pit diameter size, which meets first term, and tolerance is 5 μm
Arithmetic progression, it is 60 μm that spacing dimension, which meets first term, the arithmetic progression that tolerance is 10 μm, and distribution mode is preceding close rear thin, distance
Cutting edge is closer, and texture is more intensive, and texture diameter is smaller.
4. a kind of non-equidistant texture according to claim 1 finishes anti-attrition turning insert, it is characterized in that: on blade rake face
Chip breaker shape be a patty and two inclined surface boss, cutting edge be curve sword, radius of curvature 50mm.
5. a kind of non-equidistant texture according to claim 1 finishes anti-attrition turning insert, it is characterized in that: rake face interposition
Design has annular volume slot and diversion trench on the boss set, and rake face edge designs at cutting edge has capsule shape raised.
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| CN201811607274.1A CN109773225A (en) | 2018-12-27 | 2018-12-27 | A kind of non-equidistant texture finishing anti-attrition turning insert |
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| CN201811607274.1A CN109773225A (en) | 2018-12-27 | 2018-12-27 | A kind of non-equidistant texture finishing anti-attrition turning insert |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355541A (en) * | 2019-07-10 | 2019-10-22 | 鲁东大学 | A kind of super-hydrophobic bionical numerical control machining cutter preparation method |
| CN110681882A (en) * | 2019-09-17 | 2020-01-14 | 广东工业大学 | Gradient micro-texture cutter |
| CN111496278A (en) * | 2020-04-16 | 2020-08-07 | 深圳大学 | Microstructure superhard cutter and manufacturing method thereof |
| CN111531189A (en) * | 2020-04-02 | 2020-08-14 | 华东理工大学 | Special surface texture cutting tool for nickel-based alloy |
| CN111889774A (en) * | 2020-08-11 | 2020-11-06 | 株洲钻石切削刀具股份有限公司 | Cutting blade and cutting tool |
| WO2020238282A1 (en) * | 2019-05-31 | 2020-12-03 | 青岛理工大学 | Turning process system that couples external cooling texture turning tool part and nanofluid micro-lubrication with micro-texture cutter |
| WO2020238281A1 (en) * | 2019-05-31 | 2020-12-03 | 青岛理工大学 | Electric card auxiliary inner-cooling texture turning tool and nanofluid minimal lubrication intelligent working system |
| CN112207303A (en) * | 2020-10-29 | 2021-01-12 | 贵州理工学院 | Turning blade with oval self-lubricating texture and preparation method thereof |
| CN113145877A (en) * | 2021-05-10 | 2021-07-23 | 哈尔滨理工大学 | Novel mixed microtexture antifriction hard alloy lathe tool blade |
| CN113579273A (en) * | 2021-08-23 | 2021-11-02 | 上海应用技术大学 | Antifriction cutting tool with composite micro texture |
| CN117505905A (en) * | 2023-12-08 | 2024-02-06 | 山东大学 | Leng Wei nanometer texture cutter in self-conveying |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020238282A1 (en) * | 2019-05-31 | 2020-12-03 | 青岛理工大学 | Turning process system that couples external cooling texture turning tool part and nanofluid micro-lubrication with micro-texture cutter |
| WO2020238281A1 (en) * | 2019-05-31 | 2020-12-03 | 青岛理工大学 | Electric card auxiliary inner-cooling texture turning tool and nanofluid minimal lubrication intelligent working system |
| CN110355541B (en) * | 2019-07-10 | 2021-07-27 | 鲁东大学 | Preparation method of super-hydrophobic bionic numerical control machining tool |
| CN110355541A (en) * | 2019-07-10 | 2019-10-22 | 鲁东大学 | A kind of super-hydrophobic bionical numerical control machining cutter preparation method |
| CN110681882A (en) * | 2019-09-17 | 2020-01-14 | 广东工业大学 | Gradient micro-texture cutter |
| CN111531189A (en) * | 2020-04-02 | 2020-08-14 | 华东理工大学 | Special surface texture cutting tool for nickel-based alloy |
| CN111496278A (en) * | 2020-04-16 | 2020-08-07 | 深圳大学 | Microstructure superhard cutter and manufacturing method thereof |
| CN111889774A (en) * | 2020-08-11 | 2020-11-06 | 株洲钻石切削刀具股份有限公司 | Cutting blade and cutting tool |
| CN112207303A (en) * | 2020-10-29 | 2021-01-12 | 贵州理工学院 | Turning blade with oval self-lubricating texture and preparation method thereof |
| CN113145877A (en) * | 2021-05-10 | 2021-07-23 | 哈尔滨理工大学 | Novel mixed microtexture antifriction hard alloy lathe tool blade |
| CN113579273A (en) * | 2021-08-23 | 2021-11-02 | 上海应用技术大学 | Antifriction cutting tool with composite micro texture |
| CN117505905A (en) * | 2023-12-08 | 2024-02-06 | 山东大学 | Leng Wei nanometer texture cutter in self-conveying |
| CN117505905B (en) * | 2023-12-08 | 2024-05-24 | 山东大学 | Self-conveying inner Leng Wei nano texture cutter |
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Application publication date: 20190521 |