CN220050184U - Heavy rough machining multi-micro-texture wear-resistant indexable blade - Google Patents
Heavy rough machining multi-micro-texture wear-resistant indexable blade Download PDFInfo
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- CN220050184U CN220050184U CN202320691027.4U CN202320691027U CN220050184U CN 220050184 U CN220050184 U CN 220050184U CN 202320691027 U CN202320691027 U CN 202320691027U CN 220050184 U CN220050184 U CN 220050184U
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- blade
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- resistant
- texture
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- 238000003754 machining Methods 0.000 title claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 36
- 238000009966 trimming Methods 0.000 claims abstract description 13
- 238000010521 absorption reaction Methods 0.000 claims abstract description 5
- 238000003801 milling Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005242 forging Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002173 cutting fluid Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Polishing Bodies And Polishing Tools (AREA)
Abstract
The utility model provides a wear-resisting indexable insert of heavy rough machining many microtexture, is applicable to heavy milling process field. The utility model can solve the problems that in the process of milling large-scale special-shaped forgings such as water chamber heads, the cutter is easy to wear, damage and even break due to high material removal rate, thereby reducing the service life of the cutter, influencing the processing efficiency and the like. The whole blade is square; the cutting edge of the blade is provided with a vibration absorption edge, and an ellipsoidal wear-resistant bulge is arranged near the vibration absorption edge; the upper surface of the blade is provided with a curved boss and a spherical bulge; the knife tip of the knife blade is provided with a trimming blade, and the vicinity of the trimming blade is respectively provided with an annular and strip-shaped micro-texture; the main and auxiliary rear knife surfaces of the blade are provided with honeycomb micro-textures; the center of the blade is provided with a fastening screw hole. The utility model is suitable for heavy rough machining of large-scale forging represented by the water chamber seal head.
Description
Technical Field
The utility model belongs to the technical field of heavy-duty milling, and particularly relates to a heavy-duty rough machining multi-micro-texture wear-resistant indexable insert.
Background
The water chamber end enclosure is an important component part of the nuclear island evaporator, has complex molded surface, large mass (the weight of a forging blank can reach more than 200 tons), large size (the spherical radius of an inner spherical surface and an outer spherical surface is near 2000 mm), can be formed by milling 508 III steel, has higher strength and plasticity, and is a typical difficult-to-process material.
The cutting parameters are larger in the heavy milling process of the water chamber seal head, the material removal rate is higher, and severe extrusion friction occurs between the blade and the chips and between the blade and the workpiece, so that the blade is easy to wear and lose efficacy, and the phenomenon of blade-chip bonding occurs due to a large amount of cutting heat generated during cutting, the service life of the blade is seriously reduced, frequent blade replacement is caused, the machining efficiency is influenced, and the production cost is increased.
Aiming at the problems, the heavy rough machining multi-micro-texture wear-resistant indexable blade is designed, and the wear resistance of the blade is improved and the service life of the blade is prolonged mainly by reasonably arranging various micro-textures and other measures.
Disclosure of Invention
The utility model aims to provide a heavy rough machining multi-micro-texture wear-resistant indexable blade, which mainly solves the problems of cutter-chip bonding, blade wear failure and the like caused by higher cutting temperature and higher cutting force in the heavy milling process, and influences the service life, cutting efficiency, machining cost and the like of the blade.
The heavy rough machining multi-micro-texture wear-resistant indexable blade has a square blade profile, a cutting edge of the blade is provided with a vibration-absorbing edge, the width of the blade is 0.2mm, and an ellipsoidal wear-resistant bulge is arranged near the vibration-absorbing edge; the upper surface of the blade is provided with a curved edge boss, and the side surface of the blade is connected with the front cutter surface to form a chip breaking groove; spherical protrusions are arranged at four corners of the upper surface of the blade; the knife tip of the knife blade is provided with a trimming blade, and the vicinity of the trimming blade is respectively provided with an annular and strip-shaped micro-texture; the main and auxiliary rear knife surfaces of the blade are provided with honeycomb micro-textures; the center of the blade is provided with a fastening screw hole; the front angle of the blade is 7 degrees, the back angle is 10 degrees, and the blade inclination angle is 0 degree.
The beneficial effects of the utility model are as follows:
the utility model has square integral structure and is provided with four cutting edges, so that the utility model can cut for multiple times, improves the utilization rate of the blade and reduces the processing cost; the blade cutting edge is provided with the vibration elimination edge, so that vibration can be effectively reduced under heavy rough machining conditions, cutting is more stable, and the risk of blade tipping is reduced.
The ellipsoidal wear-resistant protrusions are arranged near the blades close to the vibration-absorbing edges, so that the curling and breaking of the chips are facilitated, the flow direction of the chips is effectively controlled, the friction between the blades and the chips is reduced, and the wear resistance of the blades is improved; the ellipsoidal bump can also play the role of a reinforcing rib, so that the strength of the cutting edge is increased.
The center of the upper surface of the blade is provided with a curved edge boss, so that the strength of the blade can be increased, and the impact resistance can be improved; the side surface of the curved edge is connected with the front cutter surface to form a chip breaking groove, so that the blade has a good chip breaking effect; if the cutting fluid is used, a small amount of cutting fluid can be stored in the chip breaker groove, so that the cooling and lubricating effects are achieved.
The four corners of the upper surface of the blade are provided with spherical protrusions, so that the contact area between the blade and the chip can be reduced, and the friction between the chip and the front blade surface can be reduced; meanwhile, the overall strength of the blade can be increased, the blade has better mechanical load bearing capacity under the condition of larger cutting parameters, and the durability of the blade is improved.
The knife tip of the blade is provided with a trimming edge, so that the shock resistance of the knife tip can be improved; the annular and strip-shaped micro-textures are arranged near the cutting edge, so that the contact area between the blade and the cutting chip is effectively reduced, and meanwhile, a small amount of cutting fluid can be stored in the micro-texture grooves in the cutting process, so that the lubrication effect is improved, and the abrasion of the front cutter surface is reduced; under the condition of large back cutting amount, the annular texture has good cooling effect, can reduce cutting heat generated in the cutting process, and slows down the phenomenon of cutter-chip bonding.
The main rear cutter surface and the auxiliary rear cutter surface of the cutter blade are provided with honeycomb micro-textures, so that the contact area between the cutter blade and a workpiece can be reduced, the friction between the cutter blade and the surface of the workpiece can be reduced, the cutter blade can also be combined with a small amount of lubricating liquid, the lubricating effect is improved, and the abrasion of the rear cutter surface of the cutter blade is further reduced; under the working conditions of heavy load and high temperature, the anti-friction and anti-friction effects are good.
The blade can be fixed on the milling cutter disc through a fastening screw hole in the geometric center of the blade, so that the blade can be fixedly clamped; when one cutting edge of the blade fails, the blade can be rapidly rotated to continue cutting, and the machining efficiency is effectively improved.
Drawings
Fig. 1 is a schematic perspective view of a heavy-duty rough-machined multi-microtextured wear-resistant indexable insert according to the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is a front view of the present utility model.
Fig. 5 is a bottom view of the present utility model.
Fig. 6 is a partially enlarged view at B in fig. 2.
Fig. 7 is a partially enlarged view at C in fig. 4.
Fig. 8 is a partially enlarged view of D in fig. 4.
The marks in the figure: 1-a rake face; 2-ellipsoidal wear-resistant protrusions; 3-bar-shaped microtexture; 4-trimming the blade; 5-ring microtexture; 6-vibration-eliminating edges; 7-yeast Bian Tutai; 8-spherical protrusions; 9-chip breaking grooves; 10-a set screw hole; 11-cellular microtexture.
Detailed Description
The first embodiment is as follows: referring to fig. 1-8, the blade is square in shape, a cutting edge of the blade is provided with a vibration-absorbing edge (6), and an ellipsoidal wear-resistant bulge (2) is arranged close to the vibration-absorbing edge (6); the upper surface of the blade is provided with a curve Bian Tutai (7), and a chip breaking groove (9) is formed by the side surface of the curve Bian Tutai (7) and the front cutter surface (1); the front cutter surface (1) of the cutter blade is simultaneously provided with a spherical bulge (8); the joint of the two cutting edges of the blade is provided with a trimming edge (4), and annular and strip-shaped micro textures (5) and (3) are arranged near the trimming edge (4); the main rear knife surface and the auxiliary rear knife surface of the blade are provided with cellular microtexture (11) which are uniformly arranged; the geometric center of the blade is provided with a fastening screw hole (10) for fixing the blade.
The second embodiment is as follows: as shown in fig. 3 and 4, the blade in the embodiment adopts an integral structure, is square in shape, is provided with four cutting edges, and improves the cutting efficiency of the blade; the blade rake angle is 7 °, the relief angle is 10 °, and the thickness s=4.8 mm.
And a third specific embodiment: as shown in fig. 2, 4 and 8, the cutting edge of the blade in this embodiment is provided with a vibration-absorbing edge (6) with a width b=0.2 mm and an angle α=10°, so that the amplitude of vibration generated during cutting can be reduced, and the cutting is smoother; and an ellipsoidal wear-resistant bulge (2) is arranged near the shock absorption edge (6), which is beneficial to chip breaking and chip guiding and can also increase the strength of the cutting edge.
The specific embodiment IV is as follows: as shown in fig. 2, in the present embodiment, a chip breaking groove (9) is formed by connecting a side surface of a curve Bian Tutai (7) provided on the upper surface of the blade with the rake surface (1), which is helpful for curling, breaking and flowing out of chips, and reducing friction between the blade and the chips; the curve Bian Tutai (7) can also enhance the overall strength of the blade and improve the impact resistance of the blade.
Fifth embodiment: as shown in fig. 2 and 6, the tip of the blade according to the present embodiment is provided with a wiper (4) to improve the impact resistance of the tip; the annular micro-textures (5) with the width of 20 mu m, the spacing of 80 mu m and the depth of 40 mu m are respectively arranged near the trimming blade (4), the strip-shaped micro-textures (3) with the width of 40 mu m, the spacing of 120 mu m and the depth of 40 mu m can greatly reduce the contact area between the blade and the cutting chip, a small amount of cutting fluid can be stored in the micro-texture grooves in the cutting process, the lubricating effect is improved, the abrasion between the blade and the cutting chip is reduced, and the wear resistance of the blade is improved.
Specific embodiment six: as shown in fig. 4, 5 and 7, the main and auxiliary rear blade surfaces of the blade in this embodiment are provided with honeycomb micro-textures (11), the textures are regular hexagons with an inscribed circle radius r of 80 μm, the groove width is 20 μm, the texture depth is 20 μm, the contact area between the blade and the workpiece can be reduced, and the blade can be combined with a small amount of lubricating liquid to increase the lubricating effect, so that the blade still has good effects of reducing friction and grinding under the working conditions of heavy load and high temperature.
Seventh embodiment: as shown in fig. 2, 3 and 5, the geometric center of the upper surface of the blade in the embodiment is provided with a fastening screw hole (10) which can fix the blade on the cutter head to play a role of fixing and clamping and prevent the blade from rotating or sliding in the processing process; when one cutting edge of the blade fails, the blade can be rapidly rotated for 90 degrees to continue cutting, and the machining efficiency is effectively improved.
Claims (5)
1. Heavy rough machining multi-micro-texture wear-resistant indexable insert, wherein the insert is square in whole, and is characterized in that: the cutting edge of the blade is provided with a vibration absorption edge (6), and an ellipsoidal wear-resistant bulge (2) is arranged close to the vibration absorption edge; the center of the upper surface of the blade is provided with a curve Bian Tutai (7), and the side surface of the curve Bian Tutai is connected with the front blade surface (1) to form a chip breaking groove (9); spherical protrusions (8) are arranged at four corners of the upper surface of the blade; the knife tip of the knife blade is provided with a trimming blade (4), and an annular micro-texture (5) and a strip-shaped micro-texture (3) are respectively arranged near the trimming blade (4); the main rear cutter surface and the auxiliary rear cutter surface of the cutter blade are provided with honeycomb micro textures (11); the geometric center of the blade is provided with a fastening screw hole (10).
2. A heavy duty rough-work multi-microtexture wear-resistant indexable insert as defined in claim 1 wherein: the cutting edge of the blade is provided with a vibration-absorbing edge (6), the width b=0.2 mm and the angle alpha=10 DEG, and an ellipsoidal wear-resisting bulge (2) is arranged near the vibration-absorbing edge (6).
3. A heavy duty rough-work multi-microtexture wear-resistant indexable insert as defined in claim 1 wherein: the tip of the blade is provided with a trimming blade (4) with the length of 2mm, and annular micro textures (5) with the width of 20 mu m, the interval of 80 mu m and the depth of 40 mu m are respectively arranged near the trimming blade (4); the strip-shaped micro-texture (3) has a width of 40 μm, a spacing of 120 μm and a depth of 40 μm.
4. A heavy duty rough-work multi-microtexture wear-resistant indexable insert as defined in claim 1 wherein: the main and auxiliary rear knife surfaces of the blade are provided with honeycomb micro-textures (11), the textures are regular hexagons, the inscribed circle radius r is 80 mu m, the groove width is 20 mu m, and the texture depth is 20 mu m.
5. A heavy duty rough-work multi-microtexture wear-resistant indexable insert as defined in claim 1 wherein: the geometric center of the blade is provided with a fastening screw hole (10) for installing the blade on the cutter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320691027.4U CN220050184U (en) | 2023-03-31 | 2023-03-31 | Heavy rough machining multi-micro-texture wear-resistant indexable blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320691027.4U CN220050184U (en) | 2023-03-31 | 2023-03-31 | Heavy rough machining multi-micro-texture wear-resistant indexable blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220050184U true CN220050184U (en) | 2023-11-21 |
Family
ID=88789681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320691027.4U Active CN220050184U (en) | 2023-03-31 | 2023-03-31 | Heavy rough machining multi-micro-texture wear-resistant indexable blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220050184U (en) |
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2023
- 2023-03-31 CN CN202320691027.4U patent/CN220050184U/en active Active
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