CN118385632A - Cutting blade with convex coating unit on rear surface - Google Patents
Cutting blade with convex coating unit on rear surface Download PDFInfo
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- CN118385632A CN118385632A CN202410860089.2A CN202410860089A CN118385632A CN 118385632 A CN118385632 A CN 118385632A CN 202410860089 A CN202410860089 A CN 202410860089A CN 118385632 A CN118385632 A CN 118385632A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 236
- 238000000576 coating method Methods 0.000 title claims abstract description 221
- 239000011248 coating agent Substances 0.000 title claims abstract description 218
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract 2
- 239000011247 coating layer Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012797 qualification Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- -1 carbide Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention discloses a cutting blade with a convex coating unit on a rear cutter surface, which comprises a plate-shaped substrate, wherein the plate-shaped substrate comprises an upper surface, a lower surface and a side surface connected with the upper surface and the lower surface, the side surface and the upper surface are intersected to form a plurality of cutting edge units, each cutting edge unit comprises a main cutting edge, an angle cutting edge and a secondary cutting edge, the side surface comprises a first rear cutter surface and a second rear cutter surface, the first rear cutter surface is positioned above the second rear cutter surface, the first rear cutter surface is provided with a non-cutting area and a rear cutting area participating in cutting, the first rear cutter surface is provided with two layers of cutting coatings, namely a first coating and a second coating positioned outside the first coating, the microcosmic components of each part of the first coating are the same and completely cover the first rear cutter surface, the second coating consists of more than one convex coating units arranged in the rear cutting area, and the thickness of each convex coating unit is h1, and the thickness of each convex coating unit is as follows: the cutting edge has the advantages of high cutting performance, high matching degree of the performance of each cutting edge, long service life and the like, and the h1 is less than or equal to 1 and less than or equal to 5 mu m.
Description
Technical Field
The invention mainly relates to the field of metal cutting tools, in particular to a cutting blade with a convex coating unit on a rear cutter surface.
Background
In order to ensure the cutting performance of the cutting blade during cutting, cemented carbide with good strength is generally selected as a matrix of the cutting blade, and the industry has found that the pure cemented carbide material is used as a blade material, so that the friction force is large during cutting, the built-up chip is easy to generate during cutting, the method can only be applied to processing occasions with low requirements on cutting speed, and the service life of the blade is short. The hard alloy surface is coated with refractory hard compounds such as carbide, nitride, oxide and the like with certain thickness, so that the surface of the cutting blade has the characteristics of higher hardness, wear resistance, high heat resistance, low friction coefficient and anti-built-up chip, the cutting speed of the cutting blade is allowed to be improved by more than 70% to the maximum, and the cutting performance and the service life of the cutting blade can be greatly improved. The temperature required for preparing the coating is high, the control process is complex, and in order to reduce the manufacturing difficulty, the surface of the cutting blade is usually coated with the coating with the same structure and thickness.
In the cutting process of the blade, the area extruded and rubbed with the processed surface is the rear cutting area of the blade, when the common material is processed, along with the increase of the abrasion value of the rear cutting area, the cutting resistance is increased, the coating of the rear cutting area is easy to fall off, namely the rear cutting area of the blade is easy to collapse and lose effect, especially the drilling blade, the rapid abrasion of the rear blade surface mainly occurs in the key area of the rear cutting area, if the service life of the cutting blade is ensured, the rear cutting area must have a certain coating thickness, but in the coating preparation process, the stress of the cutting edge is large, the coating at the cutting edge where the side surface and the upper surface are intersected is too thick, the coating at the cutting edge is easy to fall off, and the qualification rate of the blade production is affected.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing the cutting blade with the convex coating unit on the rear blade surface, which has high cutting performance, high matching degree of the performance of each cutting edge and long service life.
In order to solve the technical problems, the invention adopts the following technical scheme:
The utility model provides a cutting blade that relief surface was equipped with convex coating unit, includes the platy base member, platy base member includes upper surface, lower surface and connects the side of upper surface, lower surface, side and upper surface intersect and form a plurality of cutting edge units, cutting edge unit includes main cutting edge, angle cutting edge and minor cutting edge, the side includes first relief surface and second relief surface, first relief surface is located second relief surface top, first relief surface is equipped with non-cutting region and participates in the back cutting region of cutting, be equipped with two-layer cutting coating on the first relief surface, be first coating and be located the outside second coating of first coating respectively, the microcosmic composition of first coating everywhere is the same and the complete cover first relief surface, the second coating is by setting up more than one convex coating unit in the back cutting region constitutes, convex coating unit's thickness is h1, should satisfy: and h1 is less than or equal to 1 and less than or equal to 5 mu m.
As a further improvement of the above technical scheme:
The thickness of the first coating is h, and the following conditions are satisfied: h1 is more than or equal to h and less than or equal to 2h1.
The convex coating unit and the first coating have different microstructure.
The convex coating unit has a different color from the first coating outer surface.
The convex coating unit on the second coating layer is arranged on the rear cutting region.
The convex coating unit on the second coating layer is arranged on the non-cutting area.
The rear cutting region includes a primary wear surface, a corner wear surface, and a secondary wear surface corresponding to the primary cutting edge, the corner cutting edge, and the secondary cutting edge, respectively.
The main wear surface and/or the angular wear surface and/or the auxiliary wear surface are/is provided with the convex coating unit.
The non-cutting region includes non-primary, non-corner and non-secondary wear surfaces corresponding to the primary, corner and secondary cutting edges, respectively.
The non-main wear surface and/or the non-angular wear surface and/or the non-auxiliary wear surface are provided with the convex coating unit.
The convex coating unit on the main wear surface is a main front convex coating unit, the main front convex coating unit extends to be adjacent to the angular wear surface, the maximum length of the main front convex coating unit in the corresponding cutting depth direction of the main cutting edge is y1, the maximum cutting length of the main cutting edge is y, and the maximum cutting length of the main cutting edge is as follows: y1 is more than or equal to 0.4y and less than or equal to 0.6y.
The convex coating units on the auxiliary wear surface are auxiliary forward convex coating units, the auxiliary forward convex coating units extend to be adjacent to the angular wear surface, the maximum length of each auxiliary forward convex coating unit in the corresponding cutting depth direction of the auxiliary cutting edge is x1, the maximum cutting length of each auxiliary cutting edge is x, and the requirements are satisfied: x1 is more than or equal to 0.2x and less than or equal to 0.5x.
The convex coating units on the main wear surface, the angular wear surface and the auxiliary wear surface are respectively a main front convex coating unit, an angular front convex coating unit and an auxiliary front convex coating unit, and the heights of the main front convex coating unit, the angular front convex coating unit and the auxiliary front convex coating unit on the side surfaces are respectively D1, D2 and D3, so that the requirements are satisfied: d1 is more than or equal to 0.3mm and less than or equal to 0.8mm, D2 is more than or equal to 0.3mm and less than or equal to 0.8mm, and D3 is more than or equal to 0.3mm and less than or equal to 0.8mm.
The minimum gaps between the main forward convex coating unit, the corner forward convex coating unit and the auxiliary forward convex coating unit on the side surface and the main cutting edge, the corner cutting edge and the auxiliary cutting edge are d1, d2 and d3 respectively, and the requirements are satisfied: d1 is less than or equal to 0.01mm and less than or equal to 0.2mm, d2 is less than or equal to 0.01mm and less than or equal to 0.2mm, d3 is less than or equal to 0.01mm and less than or equal to 0.2mm.
Compared with the prior art, the invention has the advantages that:
The invention discloses a cutting blade with a convex coating unit on a rear blade surface, wherein a first rear blade surface is provided with two layers of cutting coatings, namely a first coating and a second coating positioned outside the first coating, the microcosmic components of each part of the first coating are the same and completely cover the first rear blade surface, the second coating consists of more than one convex coating unit arranged in a rear cutting area, the thickness of each convex coating unit is h1, and the requirements are that: according to the method, the thickness of the coating layer is larger than that of the other areas, namely, the whole thickness of the cutting coating layer in the key area where the rear cutting area is contacted with the cutting edge is increased, the problem of coating peeling is solved, rapid abrasion and breakage of the rear cutting area are avoided, particularly, deformation of the cutting edge on the first rear cutting surface is reduced and cutting force is reduced through optimization of the thickness and materials (friction coefficient and the like) of the convex coating layer according to cutting function difference of the cutting edge, performance and service life of the cutting edge are matched, performance stability and service life of the cutter are improved, in addition, the convex coating layer is arranged on the rear cutting area, the edge of the convex coating layer is provided with a certain gap with the cutting edge of the cutting edge unit, namely, the first rear cutting surface adjacent to the cutting edge is provided with the first coating layer, the whole thickness of the cutting edge can be well controlled, and the breakage rate of the cutting edge due to large cutting edge deformation is avoided when the cutting edge is prepared, and the breakage rate of the cutting edge is improved.
Drawings
FIG. 1 is a perspective view showing a first embodiment of a cutting insert having a relief coating unit on a relief surface according to the present invention;
FIG. 2 is a top view of a first embodiment of a cutting insert of the present invention having a relief coating unit on the relief surface thereof;
FIG. 3 is a front view of a first embodiment of a cutting insert of the present invention having a relief coating unit on the relief surface thereof;
FIG. 4 is a left side view of a first embodiment of a cutting insert of the present invention having a relief coating unit on the relief surface thereof;
fig. 5 is an enlarged view at a in fig. 1;
FIG. 6 is a perspective view showing a second embodiment of a cutting insert having a relief coating unit on a relief surface according to the present invention;
FIG. 7 is a top view of a second embodiment of a cutting insert of the present invention having a relief coating unit on the relief surface thereof;
FIG. 8 is a schematic view of the thickness of the first and second coatings of a cutting insert having a relief coating unit in accordance with the present invention;
Fig. 9 is a schematic view of a cutting insert of the present invention having a relief coating unit on the relief surface thereof for cutting a workpiece.
The reference numerals in the drawings denote:
1. A plate-like base; 2. an upper surface; 3. a lower surface; 4. a side surface; 41. a first relief surface; 42. a second relief surface; 411. a rear cutting region; 4111. a primary wear surface; 4112. angular wear surface; 4113. a secondary wear surface; 412. a non-cutting region; 4121. a non-primary wear surface; 4122. a non-angular wear surface; 4123. a non-secondary wear surface; 5. a cutting edge unit; 51. a main cutting edge; 52. an angle cutting edge; 53. a minor cutting edge; 6. cutting the coating; 61. a first coating; 62. a second coating; 7. a convex coating unit; 711. a main forward convex coating unit; 712. a corner front convex coating unit; 713. a secondary forward convex coating unit; 721. a main rear convex coating unit; 722. a corner relief coating unit; 723. a secondary backing unit; 8. a workpiece.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
In the description of the present invention, it should be noted that, the terms "center," "upper," "lower," "horizontal," "inner," "outer," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, rather than indicate or imply that the apparatus or elements being referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the present invention.
Fig. 1 to 5 show a first embodiment of a cutting insert provided with a relief coating unit in the relief surface according to the present invention, the cutting insert provided with a relief coating unit in the relief surface according to the embodiment comprising a plate-like base body 1, the plate-like base body 1 comprising an upper surface 2, a lower surface 3 and a side surface 4 connecting the upper surface 2 and the lower surface 3, the side surface 4 and the upper surface 2 intersecting to form a plurality of cutting edge units 5, the cutting edge units 5 comprising a main cutting edge 51, an angle cutting edge 52 and a minor cutting edge 53, the side surface 4 comprising a first relief surface 41 and a second relief surface 42, the first relief surface 41 being located above the second relief surface 42, the first relief surface 41 being provided with a non-cutting zone 412 and a relief cutting zone 411 involved in cutting, the first relief surface 41 being provided with two layers of a cutting coating 6, a first coating 61 and a second coating 62 located outside the first coating 61, the first coating 61 having the same microcomponents and completely covering the first relief surface 41, the second coating 62 being formed by one relief coating unit 7 located above the relief surface 42, the relief coating unit 7 being the thickness 1 h: according to the method, the thickness of the coating at the position where the rear cutting area 411 is provided with the convex coating unit 7 is larger than that of other areas, namely the convex coating unit 7 can be arranged at the position where the rear cutting area 411 is contacted with chips, the whole thickness of the cutting coating at the key area is increased, so that the problem of coating peeling is solved, rapid abrasion and chipping of the rear cutting area 411 is avoided, particularly, deformation of chips on the first rear cutting surface 41 is reduced and cutting force is reduced through optimization of the thickness and materials (friction coefficient and the like) of the convex coating unit 7, the performance and service life of the cutting edges at all positions are matched, the stability of the cutter performance and the service life of the cutter are improved, in addition, the convex coating unit 7 is arranged at the position where the rear cutting area 411, the edge of the convex coating unit 7 and the cutting edges of the cutting edge unit 5 have a certain gap, namely, the cutting edges are only provided with the first coating 61, the whole thickness of the cutting edges can be well controlled, and the deformation of the cutting edges at the cutting edges is prevented from being produced, and the deformation of the cutting edges at the positions of the cutting edges is greatly improved, and the production yield of the cutting edges is improved.
Under the condition that the thickness h of the first coating 61 is set to be 4 mu m and 8 mu m respectively and the materials of the first coating 61 are set to be TiCN and TiAlSiN respectively, the thickness h1 of the convex coating unit 7 is set to satisfy: 1 mu m is less than or equal to h1 is less than or equal to 5 mu m, through a plurality of actual cutting experiments, as shown in the following table 1, compared with the comparative example (table 2 below), the service life of the cutting blade (the time that the first rear cutter surface 41 is scrapped due to abrasion and breakage) and the production qualification rate of the blade can be obviously improved simultaneously:
TABLE 1
Comparative example:
TABLE 2
In this embodiment, the thickness of the first coating 61 is h, as shown in fig. 8, in order to ensure the coating performance of the cutting insert, the first coating 61 is required to have better toughness, while the convex coating unit 7 has better wear resistance, if the thickness h1 of the convex coating unit 7 is greater than the thickness h of the first coating 61, the convex coating unit 7 is susceptible to peeling phenomenon from the first coating 61 due to the coating binding force between the double coating layers, so that the product yield and the product performance are reduced, and meanwhile, if the thickness of the convex coating unit 7 is less than half the thickness of the first coating 6, the improvement of the cutting area provided with the convex coating unit 7 is limited, so that: h1.ltoreq.h.ltoreq.2h1, e.g.: if h=8mum is set, h1=0.8h, the production qualification rate of the blade can reach 93%, and the service life of the blade is improved by 25% compared with that of a cutting blade with only the first coating 6.
In this embodiment, the convex coating unit 7 has a microstructure different from that of the first coating 61 to improve the flank failure due to wear and reduce the friction surface resistance.
In this embodiment, the convex coating unit 7 and the outer surface of the first coating 61 have different colors to enhance the appearance recognition.
In the present embodiment, the convex coating unit 7 on the second coating 62 is disposed on the rear cutting region 411.
In this embodiment, the rear cutting region 411 includes a main wear surface 4111, an angular wear surface 4112, and a minor wear surface 4113 corresponding to the main cutting edge 51, the angular cutting edge 52, and the minor cutting edge 53, respectively.
In this embodiment, the main wear surface 4111, the angular wear surface 4112 and the auxiliary wear surface 4113 are provided with the convex coating units 7, and the three convex coating units 7 are independent of each other, and may be provided with different microstructure structures.
In addition to the above embodiments, it is also possible to provide only the main wear surface 4111 or only the angular wear surface 4112 or only the secondary wear surface 4113 with the relief coating unit 7, or only the main wear surface 4111 and the angular wear surface 4112 with the relief coating unit 7, or only the angular wear surface 4112 and the secondary wear surface 4113 with the relief coating unit 7.
The convex coating unit 7 on the main wear surface 4111 is a main convex coating unit 711, the main convex coating unit 711 extends to be adjacent to the angular wear surface 4112, the maximum length of the main convex coating unit 711 in the cutting depth direction of the corresponding main cutting edge 51 is y1, the maximum cutting length of the main cutting edge 51 is y, in order to ensure the contact area between the chip and the main convex coating unit 711, the contact area with the first coating 61 on the main wear surface 4111 is reduced, and the longer cutting service life of the main convex coating unit 711 and the first coating 61 during large cutting depth processing is ensured, which is satisfied: 0.4 y.ltoreq.y1.ltoreq.0.6 y, specifically, in this embodiment, y=8mm, y1=3mm.
In this embodiment, the convex coating unit 7 on the secondary wear surface 4113 is a secondary convex coating unit 713, the secondary convex coating unit 713 extends to be adjacent to the angular wear surface 4112, the maximum length of the secondary convex coating unit 713 in the cutting depth direction of the corresponding secondary cutting edge 53 is x1, the maximum cutting length of the secondary cutting edge 53 is x, in order to ensure the contact area between the chip and the secondary convex coating unit 713 and the contact area of the primary coating 61 on the secondary wear surface 4113, and ensure that the secondary convex coating unit 713 and the primary coating 61 have long cutting service lives when processing with large cutting depth, the following should be satisfied: 0.2x.ltoreq.x1.ltoreq.0.5 x, specifically, x=5.5 mm, x1=2 mm.
Fig. 9 shows a schematic view when a workpiece 8 is cut using the cutting insert provided with the convex coating unit on the flank face of the present embodiment.
In order to avoid spalling of the coating at the main cutting edge 51, the secondary cutting edge 52, the corner cutting edge 53 and to improve cutting efficiency and cutting life, in this embodiment, the convex coating units 7 on the main wear surface 4111, the corner wear surface 4112 and the secondary wear surface 4113 are the main forward convex coating unit 711, the corner forward convex coating unit 712 and the secondary forward convex coating unit 713, respectively, and the heights of the main forward convex coating unit 711, the corner forward convex coating unit 712 and the secondary forward convex coating unit 713 on the side surface 4 are D1, D2 and D3, respectively, should be satisfied: d1 is more than or equal to 0.3mm and less than or equal to 0.8mm, d2 is more than or equal to 0.3mm and less than or equal to 0.8mm, d3 is more than or equal to 0.3mm and less than or equal to 0.8mm, and specifically d1=d2=d3=0.4 mm.
In order to ensure that the cooling medium exists between the cutting edge unit 5 and the convex coating unit 7 in a film dynamic form, and in order to avoid that the coating stress at the cutting edge is large, the cutting coating adjacent to the cutting edge unit 5 should be uniformly arranged and the whole thickness should not be too large, otherwise, the production qualification rate of the blade is low, therefore, a certain clearance should be provided between the convex coating unit 7 and the cutting edge unit 5, in this embodiment, the minimum clearances between the main front convex coating unit 711, the corner front convex coating unit 712 and the auxiliary front convex coating unit 713 and the main cutting edge 51, the corner cutting edge 52 and the auxiliary cutting edge 53 on the side surface 4 are d1, d2 and d3 respectively, and should be satisfied: d1 is more than or equal to 0.01mm and less than or equal to 0.2mm, d2 is more than or equal to 0.01mm and less than or equal to 0.2mm, d3 is more than or equal to 0.01mm and less than or equal to 0.2mm, specifically d1=d2=d3=0.01 mm.
Fig. 6 and 7 show a second embodiment of a cutting insert of the present invention, the relief surface of which is provided with a convex coating unit, which differs from the first embodiment in that: in this embodiment, the convex coating units 7 on the second coating 62 are disposed on the non-cutting region 412, and the appearance recognition degree of the cutting insert is improved by disposing different colors of the convex coating units 7.
In this embodiment, the non-cutting region 412 includes a non-primary wear surface 4121, a non-corner wear surface 4122, and a non-secondary wear surface 4123 corresponding to the primary cutting edge 51, the corner cutting edge 52, and the secondary cutting edge 53, respectively.
In this embodiment, the non-primary wear surface 4121, the non-angular wear surface 4122, and the non-secondary wear surface 4123 are each provided with a convex coating unit 7, that is, the convex coating unit 7 is disposed in the non-cutting region 412. Of course, the male coating unit 7 may be provided on the non-main wear surface 4121, the non-angular wear surface 4122 or the non-auxiliary wear surface 4123 separately according to actual needs.
While the invention has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (14)
1. The utility model provides a cutting insert that relief surface was equipped with convex coating unit, includes platy base member (1), platy base member (1) include upper surface (2), lower surface (3) and connect side (4) of upper surface (2), lower surface (3), side (4) and upper surface (2) intersect and form a plurality of cutting edge units (5), cutting edge unit (5) include main cutting edge (51), angle cutting edge (52) and minor cutting edge (53), side (4) include first relief surface (41) and second relief surface (42), first relief surface (41) are located second relief surface (42) top, first relief surface (41) are equipped with non-cutting area (412) and participate in back cutting area (411) of cutting, its characterized in that: the utility model discloses a cutting tool for the cutting of the metal sheet, including first back face (41), be equipped with two-layer cutting coating (6) on the first back face (41), be first coating (61) and be located respectively outside second coating (62) of first coating (61), the microcosmic composition of first coating (61) everywhere is the same and completely covers first back face (41), second coating (62) are by setting up more than one protruding coating unit (7) in back cutting region (411), the thickness of protruding coating unit (7) is h1, should satisfy: and h1 is less than or equal to 1 and less than or equal to 5 mu m.
2. The cutting insert provided with a relief coating unit according to claim 1, wherein: the thickness of the first coating (61) is h, and the following conditions are satisfied: h1 is more than or equal to h and less than or equal to 2h1.
3. The cutting insert provided with a relief coating unit according to claim 1 or 2, characterized in that: the convex coating unit (7) has a microstructure different from that of the first coating (61).
4. The cutting insert provided with a relief coating unit according to claim 1 or 2, characterized in that: the convex coating unit (7) has a different color from the outer surface of the first coating (61).
5. The cutting insert provided with a relief coating unit according to claim 1 or 2, characterized in that: a convex coating unit (7) on the second coating (62) is provided on the rear cutting region (411).
6. The cutting insert provided with a relief coating unit according to claim 1 or 2, characterized in that: the convex coating unit (7) on the second coating (62) is disposed on the non-cutting region (412).
7. The cutting insert provided with a relief coating unit according to claim 1 or 2, characterized in that: the rear cutting region (411) includes a main wear surface (4111), an angular wear surface (4112), and a minor wear surface (4113) corresponding to the main cutting edge (51), the angular cutting edge (52), and the minor cutting edge (53), respectively.
8. The cutting insert provided with a relief coating unit according to claim 7, wherein: the primary (4111) and/or angular (4112) and/or secondary (4113) wear surfaces are provided with the male coating unit (7).
9. The cutting insert provided with a relief coating unit according to claim 1 or 2, characterized in that: the non-cutting region (412) includes a non-primary wear surface (4121), a non-angular wear surface (4122), and a non-secondary wear surface (4123) corresponding to the primary cutting edge (51), the angular cutting edge (52), and the secondary cutting edge (53), respectively.
10. The cutting insert provided with a relief coating unit according to claim 9, wherein: the non-main wear surface (4121) and/or the non-angular wear surface (4122) and/or the non-auxiliary wear surface (4123) are provided with the convex coating unit (7).
11. The cutting insert provided with a relief coating unit according to claim 8, wherein: the convex coating unit (7) on the main wear surface (4111) is a main forward convex coating unit (711), the main forward convex coating unit (711) extends to be adjacent to the angular wear surface (4112), the maximum length of the main forward convex coating unit (711) in the cutting depth direction of the corresponding main cutting edge (51) is y1, and the maximum cutting length of the main cutting edge (51) is y, and the following conditions are satisfied: y1 is more than or equal to 0.4y and less than or equal to 0.6y.
12. The cutting insert provided with a relief coating unit according to claim 8, wherein: the convex coating units (7) on the auxiliary wear surface (4113) are auxiliary forward convex coating units (713), the auxiliary forward convex coating units (713) extend to be adjacent to the angular wear surface (4112), the maximum length of the auxiliary forward convex coating units (713) in the cutting depth direction of the corresponding auxiliary cutting edge (53) is x1, and the maximum cutting length of the auxiliary cutting edge (53) is x, so that the following conditions are satisfied: x1 is more than or equal to 0.2x and less than or equal to 0.5x.
13. The cutting insert provided with a relief coating unit according to claim 8, wherein: the convex coating units (7) on the main wear surface (4111), the angular wear surface (4112) and the auxiliary wear surface (4113) are respectively a main front convex coating unit (711), an angular front convex coating unit (712) and an auxiliary front convex coating unit (713), and the heights of the main front convex coating unit (711), the angular front convex coating unit (712) and the auxiliary front convex coating unit (713) on the side surface (4) are respectively D1, D2 and D3, so that the following conditions are satisfied: d1 is more than or equal to 0.3mm and less than or equal to 0.8mm, D2 is more than or equal to 0.3mm and less than or equal to 0.8mm, and D3 is more than or equal to 0.3mm and less than or equal to 0.8mm.
14. The cutting insert having a relief coating unit on a relief surface according to claim 13, wherein: the minimum gaps between the main forward convex coating unit (711), the corner forward convex coating unit (712) and the auxiliary forward convex coating unit (713) and the main cutting edge (51), the corner cutting edge (52) and the auxiliary cutting edge (53) on the side surface (4) are d1, d2 and d3 respectively, and the following conditions are satisfied: d1 is less than or equal to 0.01mm and less than or equal to 0.2mm, d2 is less than or equal to 0.01mm and less than or equal to 0.2mm, d3 is less than or equal to 0.01mm and less than or equal to 0.2mm.
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| CN202410860089.2A CN118385632B (en) | 2024-06-28 | 2024-06-28 | Cutting blade with convex coating unit on rear surface |
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| CN202410860089.2A CN118385632B (en) | 2024-06-28 | 2024-06-28 | Cutting blade with convex coating unit on rear surface |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1974205A (en) * | 2005-12-02 | 2007-06-06 | 三菱麻铁里亚尔株式会社 | Surface-coated cutting insert and method for manufacturing the same |
| CN101151115A (en) * | 2005-03-29 | 2008-03-26 | 住友电工硬质合金株式会社 | Replacement cutter tip and method of manufacturing the same |
| US20090003944A1 (en) * | 2005-10-21 | 2009-01-01 | Sumitomo Electric Hardmetal Corp. | Indexable Insert |
| US20090274525A1 (en) * | 2005-03-25 | 2009-11-05 | Sumitomo Electric Hardmetal Corp. | Indexable insert |
| CN104870686A (en) * | 2012-12-21 | 2015-08-26 | 山特维克知识产权股份有限公司 | Coated cutting tool and method for manufacturing the same |
| CN207521719U (en) * | 2017-04-10 | 2018-06-22 | 富耐克超硬材料股份有限公司 | Coated chip |
-
2024
- 2024-06-28 CN CN202410860089.2A patent/CN118385632B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090274525A1 (en) * | 2005-03-25 | 2009-11-05 | Sumitomo Electric Hardmetal Corp. | Indexable insert |
| CN101151115A (en) * | 2005-03-29 | 2008-03-26 | 住友电工硬质合金株式会社 | Replacement cutter tip and method of manufacturing the same |
| US20090003944A1 (en) * | 2005-10-21 | 2009-01-01 | Sumitomo Electric Hardmetal Corp. | Indexable Insert |
| CN1974205A (en) * | 2005-12-02 | 2007-06-06 | 三菱麻铁里亚尔株式会社 | Surface-coated cutting insert and method for manufacturing the same |
| CN104870686A (en) * | 2012-12-21 | 2015-08-26 | 山特维克知识产权股份有限公司 | Coated cutting tool and method for manufacturing the same |
| CN207521719U (en) * | 2017-04-10 | 2018-06-22 | 富耐克超硬材料股份有限公司 | Coated chip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118385632B (en) | 2024-09-17 |
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