CN114260513A

CN114260513A - Cutter preparation method and cutter

Info

Publication number: CN114260513A
Application number: CN202210090051.2A
Authority: CN
Inventors: 梁梦瑞; 林建胜
Original assignee: Shenzhen Yuhe Optical Precision Tool Co ltd
Current assignee: Shenzhen Yuhe Optical Precision Tool Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-04-01
Anticipated expiration: 2042-01-25
Also published as: CN114260513B

Abstract

The application discloses a cutter manufacturing method and a cutter, and belongs to the field of cutter machining. The preparation method of the cutter comprises the following steps: the first bottom surface of the prism-shaped tool bit is fixed on the contact surface of the cutter body. In a machining machine, a reference line and a reference surface are formed in the configuration of a tool bit and a tool body. And the side surface of the cutter head, which is far away from the positioning round hole, is cut into a first inclined surface, a second inclined surface and a rear cutter surface between the two inclined surfaces. And a first strip-shaped groove is formed in the middle of the rear cutter face along the direction from the second bottom face to the first bottom face. The first central axis of the machined first strip-shaped groove is used as a reference, the first central axis deviates a first preset distance towards the first inclined plane along the direction parallel to the rear cutter face, and a second strip-shaped groove is formed in the rear cutter face by taking the formed second central axis as a reference, so that the first strip-shaped groove and the second strip-shaped groove are arranged side by side. The machining mode enables the precision and the shape of two sections of arc-shaped edges formed at the intersection of the rear cutter face and the second bottom face to meet the machining requirements of workpieces.

Description

Cutter preparation method and cutter

Technical Field

The application relates to the field of cutter machining, in particular to a cutter manufacturing method and a cutter.

Background

The existing miniature cutter used for producing and processing semiconductors, chips and photoetching machines generally comprises a metal cutter body and a diamond cutter head welded on the cutter body in order to ensure the precision. When a strip-shaped bulge with an arc-shaped cross section needs to be machined on the plane of a workpiece, a micro cutter with an arc-shaped edge is generally adopted, the arc-shaped edge of the micro cutter is abutted against the plane of the workpiece, and the micro cutter moves along the direction parallel to the plane of the workpiece, so that the arc-shaped edge scrapes the plane of the workpiece to form the strip-shaped bulge. When a plurality of parallel bar-shaped bulges with arc-shaped sections need to be cut on a workpiece, because the existing cutter machining technology cannot machine a plurality of high-precision parallel arc-shaped grooves on a cutter head, the micro cutter needs to be moved for many times and the bar-shaped bulges are machined one by one in the workpiece machining process, and the micro cutter is moved for many times, so that the error is increased, and the plurality of parallel bar-shaped bulges with high precision, which are not enough in machining precision and difficult to machine on a workpiece plane, are formed.

Disclosure of Invention

The application provides a cutter preparation method for solve among the prior art because current cutter processing technique can't process out a plurality of high accuracy, arc slot side by side on the tool bit, lead to adopting the miniature cutter of single arc sword to process in the work piece course of working, nevertheless need remove miniature cutter many times in the course of working, lead to the problem that error grow, machining precision are not enough.

In order to solve the above problems, the present application provides: a method of making a cutting tool, comprising:

step S1: a positioning round hole is formed in the abutting surface of the cutter body, and a prism-shaped cutter head is fixed on the abutting surface of the cutter body so that the first bottom surface of the cutter head is connected with the abutting surface;

step S2: on a machining machine, connecting the circle center of the positioning round hole in the abutting surface with a preset point of the first bottom surface of the cutter body to form a datum line, and extending the datum line towards the second bottom surface of the cutter head in a direction perpendicular to the abutting surface to form a datum plane;

step S3: on a machining machine, taking a reference surface as a reference, cutting a first inclined surface and a second inclined surface which are symmetrical on the side surface of the cutter head far away from the positioning round hole, and cutting along the direction vertical to the reference surface between the first inclined surface and the second inclined surface to form a rear cutter surface;

step S4: on a processing machine, a first strip-shaped groove with an arc-shaped cross section is formed in the middle of a rear cutter face along the direction from a second bottom face to a first bottom face;

step S5: on a processing machine, a central axis corresponding to a first strip-shaped groove with a processed circular arc cross section is set as a first central axis, the first central axis is used as a reference, the first central axis is deviated towards a first inclined plane along a direction parallel to a rear cutter face by a first preset distance, so that a second central axis is determined, a second strip-shaped groove with a circular arc cross section is formed on a rear cutter face by using the second central axis as a reference, the first strip-shaped groove and the second strip-shaped groove are arranged side by side, and then the intersection of the rear cutter face and a second bottom face forms two sections of arc-shaped blades.

In a possible implementation, the step S5 is followed by:

step S6: on the processing machine, with the second axis of a circle along the direction of being on a parallel with the back knife face towards the second inclined plane skew second preset distance to confirm third axis of a circle, use third axis of a circle as the benchmark set up out the third bar slot that the cross-section is the circular arc on the back knife face, so that first bar slot, second bar slot and third bar slot three set up side by side, and then make the crossing department of back knife face and second bottom surface form three sections arc sword.

In a possible implementation, the step S6 is followed by a step S7: a rotating highlight disk on the processing machine is abutted against the second bottom surface, so that the second bottom surface is polished by grinding the second bottom surface.

In a possible embodiment, the opening of the positioning circular hole on the abutting surface of the cutter body comprises: the cutter body is cut into a frustum pyramid shape, the lower bottom surface of the cutter body is set as an abutting surface, and a positioning round hole is formed in the middle of the abutting surface.

In one possible implementation, step S1 includes: and cutting an air avoiding surface at one edge of the cutter body closest to the cutter head, wherein the air avoiding surface is not on the plane of the rear cutter surface.

In a possible embodiment, a first angle between the clearance surface and the second bottom surface is smaller than a second angle between the relief surface and the second bottom surface.

The present application further provides: a tool, comprising:

the cutter body is provided with a positioning round hole on the butt joint surface;

the tool bit, the tool bit is prism form, the first bottom surface of tool bit with the butt face is connected, the tool bit is kept away from the side cutting of location round hole forms first inclined plane, back knife face and second inclined plane, back knife face is located first inclined plane with between the second inclined plane, follow on the back knife face the second bottom surface of tool bit extremely a plurality of bar grooves that just the cross-section is the circular arc side by side are seted up to the direction of first bottom surface, so that the second bottom surface with the crossing department of back knife face forms multistage arc sword.

In a possible embodiment, the radii of the plurality of strip-shaped grooves are the same, the central axes of the plurality of strip-shaped grooves are on the same plane, and the distances between the central axes of two adjacent strip-shaped grooves are the same.

In a possible embodiment, the first inclined surface intersects with an adjacent strip-shaped groove on a first straight line, the adjacent strip-shaped groove intersects with a second straight line, the second inclined surface intersects with an adjacent strip-shaped groove on a third straight line, so that a first inclined edge formed by the intersection of the first inclined surface and the second bottom surface is connected with an adjacent arc-shaped edge and is connected with an adjacent arc-shaped edge, and a second inclined edge formed by the intersection of the second inclined surface and the second bottom surface is connected with an adjacent arc-shaped edge.

In one possible embodiment, the first line, the second line and the third line are located in the same plane.

The beneficial effect of this application is: the cutter manufacturing method comprises the steps of forming a datum line between a positioning round hole of a cutter body and a preset point of a first bottom surface of a cutter head, extending the datum line towards a second bottom surface of the cutter head in a direction perpendicular to an abutting surface to form a datum plane, cutting the cutter head by using the datum plane to form a first inclined plane, a second inclined plane and a rear cutter face, forming a first strip-shaped groove with an arc-shaped section in the middle of the rear cutter face along the direction from the second bottom surface to the first bottom surface, taking a first central axis of the first strip-shaped groove as a reference, deviating the first central axis towards the first inclined plane by a first preset distance along the direction parallel to the rear cutter face to determine a second central axis, and forming a second strip-shaped groove with an arc-shaped section on the rear cutter face by taking the second central axis as a reference. In the steps, the datum line and the datum plane are set, the rear cutter face, the first inclined plane and the second inclined plane are determined according to the datum plane, and then the positions of the first central axis and the second central axis are determined, so that the plurality of strip-shaped grooves processed are parallel and meet the requirement of precision, and finally the precision of the arc-shaped blade can meet the requirement of workpiece processing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 shows a schematic flow chart of a tool manufacturing method provided by an embodiment of the invention;

FIG. 2 is a schematic diagram illustrating a perspective of a tool provided by an embodiment of the present invention;

FIG. 3 is a schematic structural diagram illustrating a view perpendicular to a first bottom surface of a tool provided by an embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating a view perpendicular to a reference plane of a tool provided by an embodiment of the present invention;

FIG. 5 is a schematic structural diagram illustrating a view perpendicular to the second bottom surface of the tool according to an embodiment of the present invention;

FIG. 6 is an enlarged, fragmentary, schematic view of a tool tip provided in accordance with an embodiment of the invention, from a perspective perpendicular to the second base surface;

fig. 7 is a schematic structural diagram illustrating another perspective of a tool provided by an embodiment of the present invention.

Description of the main element symbols:

100-a cutter body; 110-an abutment face; 120-positioning the circular hole; 130-avoidance of vacancy; a-a first angle; b-a second included angle; 200-a cutter head; 210-a first bottom surface; 220-a second bottom surface; 230-a first bevel; 231-first straight line; 232-a first bevel edge; 240-flank face; 241-bar-shaped grooves; 242-curved edge; 243-second straight line; 250-a second bevel; 251-a third line; 252-a second beveled edge; 300-datum line; 310-a reference plane; 330-a first preset distance; 340-second preset distance.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example one

Referring to fig. 1, fig. 2 and fig. 3, the present embodiment provides a method for manufacturing a cutting tool, including:

step S1: a positioning circular hole 120 is opened in the contact surface 110 of the cutter body 100, and a prism-shaped tip 200 is fixed to the contact surface 110 of the cutter body 100 so that the first bottom surface 210 of the tip 200 is connected to the contact surface 110.

Specifically, the cutting head 200 made of natural diamond material may be fixed to the tungsten steel blade body 100 by high temperature welding through a high temperature furnace at 850 ℃.

Wherein, the solder paste which can be compatible with natural diamond material and tungsten steel material can be selected, and the melting point of the solder paste can be between 800 ℃ and 900 ℃.

The tungsten steel cutter body 100 has shock resistance and high temperature resistance, and the service life of the cutter can be prolonged.

The cutting head 200 made of natural diamond has the characteristics of wear resistance and extremely high surface smoothness after machining, and is beneficial to improving the precision of the cutting edge, so that the cutting edge can reach the precision of a nanometer level.

Step S2: in the machining machine, a reference line 300 is formed by connecting the center of the positioning circular hole 120 of the contact surface 110 to a predetermined point of the first bottom surface 210 of the tool body 100, and the reference line 300 is extended toward the second bottom surface 220 of the tool tip 200 in a direction perpendicular to the contact surface 110, thereby forming a reference surface 310.

Specifically, the datum 300 and datum 310 may be positioned using a British planetary grinder model COBORN PG3B/PG 4. Wherein the second bottom surface 220 is a rake surface of the tool tip 200.

The predetermined point may be a point on the first bottom surface 210 of the tool tip 200 farthest from the positioning circular hole 120 or a midpoint of the first bottom surface 210.

Step S3: on the machining machine, the side surface of the tool tip 200 away from the positioning circular hole 120 is cut with the reference surface 310 as a reference to form a first inclined surface 230 and a second inclined surface 250 which are symmetrical, and a flank surface 240 is cut between the first inclined surface 230 and the second inclined surface 250 in a direction perpendicular to the reference surface 310.

Specifically, the tool bit 200 is cut by the machining machine with the reference surface 310 as a reference to form the first inclined surface 230, the flank surface 240, and the second inclined surface 250.

Wherein the smoothness of the flank face 240 can be within 0.1

Step S4: in the machining machine, a first strip groove 241 having a circular arc-shaped cross section is formed in the middle of the flank 240 in the direction from the second bottom surface 220 to the first bottom surface 210.

Specifically, a first central axis of the first bar groove 241 is located by the flank face 240, the first bottom face 210, and the second bottom face 220, and the first bar groove 241 is machined on the flank face 240 with a preset radius by the first central axis.

Step S5: on a processing machine, a central axis corresponding to a first processed strip-shaped groove with an arc cross section is set as a first central axis, the first central axis is used as a reference, the first central axis is deviated towards a first inclined surface 230 by a first preset distance 330 along a direction parallel to a rear cutter face 240, so that a second central axis is determined, a second strip-shaped groove 241 with an arc cross section is formed on the rear cutter face 240 by using the second central axis as a reference, the first strip-shaped groove 241 and the second strip-shaped groove 241 are arranged side by side, and then two sections of arc-shaped blades 242 are formed at the intersection of the rear cutter face 240 and a second bottom face 220.

Specifically, a second central axis is determined according to three parameters, namely the first central axis, the flank face 240 and the first preset distance 330, and a second strip-shaped groove 241 is machined on the flank face 240 through the second central axis at a preset radius, so that the first strip-shaped groove 241 and the second strip-shaped groove 241 are arranged side by side, and further, two sections of arc-shaped edges 242 are formed at the intersection of the flank face 240 and the second bottom face 220.

The sharpness of the arc-shaped edge 242 may be within 50nm, and the edge waviness of the arc-shaped edge 242 may be within 100 nm.

The cutting tool manufacturing method according to the embodiment of the present application forms the reference surface 310 by forming the reference line 300 between the positioning circular hole 120 of the tool body 100 and the preset point of the first bottom surface 210 of the tool tip 200, and extending the reference line 300 toward the second bottom surface 220 of the tool tip 200 in a direction perpendicular to the abutting surface 110, the cutting insert 200 is then cut with the datum 310 to form the first rake surface 230, the second rake surface 250 and the relief surface 240, then, a first strip-shaped groove 241 with a circular arc section is arranged in the middle of the rear tool face 240 along the direction from the second bottom face 220 to the first bottom face 210, and is shifted toward the first inclined surface 230 by a first preset distance 330 in a direction parallel to the flank surface 240 with reference to a first central axis of the first bar-shaped groove 241, thereby defining a second central axis, and a second strip-shaped groove 241 with a circular arc-shaped cross section is formed on the flank 240 by taking the second central axis as a reference. In the above steps, the datum line 300 and the datum plane 310 are established, and the flank face 240, the first inclined face 230 and the second inclined face 250 are determined according to the datum plane 310, so that the positions of the first central axis and the second central axis are determined, the plurality of machined strip-shaped grooves 241 are parallel and meet the requirement of precision, and finally the precision of the arc-shaped blade 242 can meet the requirement of workpiece machining.

Wherein, the included angle between the first inclined surface 230 and the second inclined surface 250 may be in a range of 70 ° to 90 °.

The included angles between the flank face 240, the first inclined face 230 and the second inclined face 250 and the second bottom face 220 are acute angles, so that when the tool is used for machining a workpiece, the problem that the flank face 240, the first inclined face 230 and the second inclined face 250 touch the surface of the workpiece to damage the workpiece can be avoided.

In the above embodiment, optionally, after step S5, the method further includes: step S6: on the processing machine, with the second axis of a circle along the direction of being on a parallel with the back knife face towards the second inclined plane skew second preset distance to confirm third axis of a circle, use third axis of a circle as the benchmark set up out the third bar slot that the cross-section is the circular arc on the back knife face, so that first bar slot, second bar slot and third bar slot three set up side by side, and then make the crossing department of back knife face and second bottom surface form three sections arc sword.

Specifically, a second central axis is determined according to three parameters, namely the second central axis, the flank face 240 and the second preset distance 340, and a third strip-shaped groove 241 is machined on the flank face 240 through the second central axis at a preset radius, so that the first strip-shaped groove 241, the second strip-shaped groove 241 and the third strip-shaped groove 241 are arranged side by side, and further, three sections of arc-shaped blades 242 are formed at the intersection of the flank face 240 and the second bottom face 220.

In the above embodiment, optionally, the step S6 is followed by the step S7: a high-light disk rotated on a processing machine is abutted on the second bottom surface 220, so that the second bottom surface 220 is polished by shaving the second bottom surface 220.

Specifically, the second bottom surface 220 of the tool bit 200, that is, the rake surface of the tool bit 200, can be improved in finish by the pressing of the machining device, thereby improving the accuracy of the tool machined by the tool. Meanwhile, the notch on the arc-shaped blade 242 can be removed, so that the tool machined by the cutter is prevented from generating lines.

The polished multi-segment arc-shaped edge 242 can be free from chipping under the condition of magnification of 3000 times.

In the above embodiment, optionally, the opening of the positioning circular hole 120 on the abutting surface 110 of the cutter body 100 includes: the cutter body 100 is cut into a frustum shape, the lower bottom surface of the cutter body 100 is a contact surface 110, and a positioning circular hole 120 is formed in the middle of the contact surface 110.

Specifically, cutting the cutter body 100 into a frustum shape can avoid cutting the cutter body 100 when subsequently machining the tool bit 200. The positioning circular hole 120 is located at the middle of the abutment surface 110 to facilitate positioning of the reference line 300.

As shown in fig. 1, in the above embodiment, optionally, step S1 includes: the clearance surface 130 is cut at an edge of the cutter body 100 closest to the cutter head 200, and the clearance surface 130 is not on the plane of the flank surface 240.

Specifically, since the clearance surface 130 on the cutter body 100 is not on the plane of the flank surface 240, the clearance surface 130 on the cutter body 100 can prevent the machining machine from cutting the cutter body 100 when machining the flank surface 240 of the cutter head 200.

As shown in fig. 4, in the above embodiment, optionally, a first included angle a between the clearance surface 130 and the second bottom surface 220 is smaller than a second included angle B between the flank surface 240 and the second bottom surface 220.

Specifically, since the first included angle a between the clearance surface 130 and the second bottom surface 220 is smaller than the second included angle B between the flank surface 240 and the second bottom surface 220, the clearance surface 130 provided on the cutter body 100 can further prevent the cutter body 100 from being cut by a machining machine when the machining machine machines the flank surface 240 of the cutter head 200.

Wherein the included angle between the flank face 240 and the rake face may be in the range of 83 ° to 87 °, and the included angle between the clearance surface 130 and the rake face may be in the range of 80 ° to 84 °.

Example two

Another embodiment of the present application provides a tool including a tool body 100 and a tool head 200. The contact surface 110 of the cutter body 100 is provided with a positioning circular hole 120. The tool bit 200 is prism-shaped, the first bottom surface 210 of the tool bit 200 is connected to the abutting surface 110, the side surface of the tool bit 200 away from the positioning circular hole 120 is cut to form a first inclined surface 230, a flank surface 240 and a second inclined surface 250, the flank surface 240 is located between the first inclined surface 230 and the second inclined surface 250, and a plurality of strip-shaped grooves 241 with arc-shaped cross sections are arranged on the flank surface 240 side by side along the direction from the second bottom surface 220 to the first bottom surface 210 of the tool bit 200, so that a plurality of arc-shaped edges 242 are formed at the intersection of the second bottom surface 220 and the flank surface 240.

When the cutter body 100 provided by the application is used, the multi-section arc-shaped blades 242 of the cutter head 200 can be abutted against the plane of a workpiece, so that a plurality of parallel high-precision strip-shaped bulges with arc-shaped cross sections are formed on the plane of the workpiece in a cutting mode, and the machining efficiency and the machining precision are improved.

Example two

As shown in fig. 3 and fig. 6, this embodiment proposes an arrangement manner of the stripe-shaped trench 241 on the basis of the second embodiment. The radii of the plurality of bar-shaped grooves 241 are the same, the central axes of the plurality of bar-shaped grooves 241 are on the same plane, and the distances between the central axes of two adjacent bar-shaped grooves 241 are the same.

Specifically, the arrangement mode of the strip-shaped grooves 241 enables the adjacent strip-shaped grooves 241 to be arranged at equal intervals, to be parallel to each other, and to have the same size and shape, so that a plurality of strip-shaped protrusions which are arranged side by side at equal intervals and have the same shape and size can be formed on a workpiece plane machined by the cutter.

As shown in fig. 3 and 7, in the above embodiment, optionally, the first inclined surface 230 intersects with the adjacent strip-shaped groove 241 at the first straight line 231, the adjacent strip-shaped groove 241 intersects with the second straight line 243, and the second inclined surface 250 intersects with the adjacent strip-shaped groove 241 at the third straight line 251, so that the first inclined edge 232 formed by the intersection of the first inclined surface 230 and the second bottom surface 220 is connected with the adjacent arc-shaped edge 242, the adjacent arc-shaped edges 242 are connected with each other, and the second inclined edge 252 formed by the intersection of the second inclined surface 250 and the second bottom surface 220 is connected with the adjacent arc-shaped edge 242.

Specifically, the elongated grooves 241 are arranged in such a manner that the cutting head 200 forms adjacent curved edges 242 which are connected with each other, so that the surface of the workpiece machined by the tool forms a plurality of elongated protrusions which are connected with each other along the edge. The first and second bevel edges 232 and 252 are provided to prevent the tool from cutting the surface of the workpiece except for the strip-shaped protrusions when the tool is used for machining the surface of the workpiece. Therefore, the first and second bevel edges 232 and 252 are provided, so that the yield of the processed workpiece is improved.

In one possible embodiment, as shown in fig. 5, the first straight line 231, the second straight line 243 and the third straight line 251 are located in the same plane.

Specifically, the first straight line 231, the second straight line 243 and the third straight line 251 are located in the same plane, so that the surface of the workpiece cut by the tool is formed with a plurality of strip-shaped protrusions which are identical in shape and size and are arranged side by side.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A method of making a cutting tool, comprising:

2. The tool preparation method of claim 1, further comprising, after the step S5:

3. The tool preparation method of claim 2, further comprising step S7 after the step S6: a rotating highlight disk on the processing machine is abutted against the second bottom surface, so that the second bottom surface is polished by grinding the second bottom surface.

4. The method for preparing a cutting tool according to claim 1, wherein the step of forming a positioning circular hole in the abutting surface of the cutting tool body comprises: the cutter body is cut into a frustum pyramid shape, the lower bottom surface of the cutter body is set as an abutting surface, and a positioning round hole is formed in the middle of the abutting surface.

5. The tool preparation method according to claim 4, wherein the step S1 includes: and cutting an air avoiding surface at one edge of the cutter body closest to the cutter head, wherein the air avoiding surface is not on the plane of the rear cutter surface.

6. The tool making method of claim 5, wherein a first included angle between the clearance surface and the second bottom surface is smaller than a second included angle between the relief surface and the second bottom surface.

7. A tool, comprising:

8. The tool according to claim 7, wherein the radius of the plurality of the strip-shaped grooves is the same, the central axes of the plurality of the strip-shaped grooves are on the same plane, and the distances between the central axes of two adjacent strip-shaped grooves are the same.

9. The tool according to claim 8, wherein the first inclined surface intersects with an adjacent linear groove at a first straight line, the adjacent linear groove intersects with a second straight line, the second inclined surface intersects with an adjacent linear groove at a third straight line, so that a first inclined edge formed by the intersection of the first inclined surface and the second bottom surface is connected with an adjacent arc-shaped edge and an adjacent arc-shaped edge, and a second inclined edge formed by the intersection of the second inclined surface and the second bottom surface is connected with an adjacent arc-shaped edge.

10. The tool according to claim 9, wherein the first line, the second line, and the third line lie in the same plane.