CN101474690B - Rotatable blade for face milling and processing - Google Patents
Rotatable blade for face milling and processing Download PDFInfo
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- CN101474690B CN101474690B CN2009100424898A CN200910042489A CN101474690B CN 101474690 B CN101474690 B CN 101474690B CN 2009100424898 A CN2009100424898 A CN 2009100424898A CN 200910042489 A CN200910042489 A CN 200910042489A CN 101474690 B CN101474690 B CN 101474690B
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- cutting edge
- curve sword
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Abstract
The invention discloses an indexable cutting tip for a face milling process,, comprising an upper surface, a bottom surface and a cutting tip body surrounded by the two end faces connecting the upper and bottom surfaces and the two side faces. The center of the cutting tip body is equipped with a cutting tip center hole for installing compression screw. An intersection line of the upper and the two side faces is formed to a couple of main cutting edge which is connected by at least three curvilinear cutting edges heaving outward relative to the cutting tip central hole. Each section of the curvilinear cutting edge is formed by crossing the surface and the relative cutting wheeling cylindrical surface respectively. And the two adjacent curvilinear cutting edges are connected by smooth transition. The indexable cutting tip for a face milling process has the advantages of being applied to many kinds of tools with cutting radius of gyration, guaranteeing the precision of the face milling processing and improving the linking cutter marks.
Description
Technical field
The present invention relates to the machine cut process technology, relate in particular to rotatable blade for face milling and processing.
Background technology
There is processing wall and not exclusively vertical in existing indexable insert tip, throw away tip commonly used, and differs bigger situation sometimes when the higher vertical walls of requirement on machining accuracy, especially differs bigger when same blade is installed on the body of tool of different-diameter.The patent No. is that the Chinese patent of ZL90102672.7 discloses a kind of cutting tip that is used for milling cutter, its main cutting edge intersects gained by the face of cylinder of an axioversion plane and a constant diameter, when this cutting tip is installed on the body of tool identical with intended diameter, the face of cylinder that the cutting edge rotation obtains can overlap preferably with body of tool rotational circle cylinder, utilize such helical form cutting edge, can obtain the good vertical walls of machining accuracy.But, also there are some problems in the design of this cutting edge, when this cutting tip is installed on the body of tool of other diameter, when especially body of tool diameter and intended diameter differ big, cutting edge is difficult to rotate the resulting face of cylinder with body of tool and overlaps, perhaps partially overlap, and often differ bigger, this just causes the precise decreasing of processing vertical plane, especially in processing during than the dark vertical plane of the effective cutting edge of blade, the joint of adjacent cutting sword also can form the apparent in view tool marks that connect, and influences machined surface quality.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, a kind of body of tool that is applicable to multiple cutting radius of turn is provided, can guarantees the face milling machining accuracy, can improves the rotatable blade for face milling and processing that connects the tool marks mark.
For solving the problems of the technologies described above, the present invention by the following technical solutions.
A kind of rotatable blade for face milling and processing, comprise by a upper surface, a bottom surface and two end faces and two blade body that the side surrounds of connecting last bottom surface, the center of described blade body is provided with the blade center hole that is used to install the location, the intersecting lens of described upper surface and two sides forms a pair of main cutting edge, described main cutting edge is formed by connecting by the protruding laterally curve sword at least three sections relative blade center holes, each section curve sword forms by plane, place and each self-corresponding cutting rotational circle cylinder are crossing separately, and adjacent two sections curve swords seamlessly transit and join.
The upper surface of described blade body and the intersecting lens of each end face all form wiper edges and front cutting edge, described main cutting edge is connected by circular-arc cutting angle with wiper edges, and described main cutting edge is in the mode that tilts to the bottom surface of blade body gradually, extend to the front cutting edge that is positioned at the blade body other end from the cutting angle that is positioned at blade body one end.
Described main cutting edge is formed by connecting by the first curve sword, the second curve sword and the 3rd curve sword, the described second curve sword is between the first curve sword and the 3rd curve sword, the described first curve sword is connected with wiper edges, described the 3rd curve sword is connected with front cutting edge, and the bottom surface of first plane, curve sword place and blade body forms
The angle,
The bottom surface of second plane, curve sword place and blade body forms the λ angle, and 5 °≤λ≤15 °, the bottom surface of the 3rd plane, curve sword place and blade body forms the ψ angle, and 0 °≤ψ≤5 °, and
The cutting rotating cylindrical radius surface of the described second curve sword is greater than the cutting rotating cylindrical radius surface of the first curve sword and the 3rd curve sword.
Described wiper edges is connected by a recess with front cutting edge.
The side of described blade body comprises first flank, second flank and the 3rd flank, the upper surface of described first flank and blade body intersects, the bottom surface of described second flank and blade body intersects, described the 3rd flank is between first flank and second flank, first flank has the first constant relief angle, and extend along whole main cutting edge, second flank has the second constant relief angle, described second relief angle is greater than first relief angle, and the 3rd flank has the 3rd relief angle less than second relief angle.
Described the 3rd flank has Breadth Maximum near cutting angle one end.
Compared with prior art, the invention has the advantages that: main cutting edge is formed by connecting by the protruding laterally curve sword at least three sections relative blade center holes, each section curve sword forms by plane, place and each self-corresponding cutting rotational circle cylinder are crossing separately, when blade is installed on the body of tool of different cutting radiuss of turn, can guarantee that at least one section curve sword overlaps with the cutting rotational circle cylinder that forms this curve sword around the face of cylinder of body of tool rotation rotation gained, thereby can guarantee the face milling machining accuracy, make the scope of application of blade wider, adjacent two sections curve swords seamlessly transit simultaneously, even if at the processing vertical depth during greater than the machined surface of blade lengths, the tool marks that connect of main cutting edge can be unobvious yet during each the cutting, and can process the good whole vertical walls; The upper surface of blade body and each end face intersect, and in each one group of wiper edges of end formation and front cutting edge of blade body, the mode of main cutting edge to tilt to the bottom surface of blade body gradually, extend to the front cutting edge that is positioned at the blade body other end from the wiper edges that is positioned at blade body one end, when such design makes blade on being installed on body of tool, each of main cutting edge section has different axial inclination, and less axial inclination is arranged at curve cutlery near the place, cutting angle, blade is being strengthened near place, cutting angle intensity, simultaneously, on the whole piece main cutting edge, do not reduce axial inclination, when improving cutting angle intensity, the eliminating of smear metal is not impacted; The side of blade body is by first flank, second flank and the 3rd flank are formed, first flank has the first constant relief angle, and extend along whole main cutting edge, can effectively reduce the blade main cutting edge and collapse scarce possibility, simultaneously, can be by attrition process to first flank, improve the precision of main cutting edge greatly, obtain the good vertical machined surface of precision, second flank has the second constant relief angle, second relief angle is greater than first relief angle, in the time of can guaranteeing that blade is installed on the body of tool at a certain angle, second flank partly and between the finished surface does not interfere near the bottom surface of blade body, the 3rd flank has the 3rd relief angle less than second relief angle, and having Breadth Maximum near cutting corner one end, can further improve the intensity of blade main cutting edge, especially the intensity of cutting corner has reduced the possibility that cutting corner is damaged.
Description of drawings
Fig. 1 is that blade of the present invention is installed on the main TV structure schematic diagram on the body of tool;
Fig. 2 is that blade of the present invention is installed on the plan structure schematic diagram on the body of tool;
Fig. 3 is the perspective view of blade of the present invention;
Fig. 4 is the main TV structure schematic diagram of blade of the present invention;
Fig. 5 is the plan structure schematic diagram of blade of the present invention;
Fig. 6 is the left TV structure schematic diagram of blade of the present invention;
Fig. 7 is the H-H cutaway view of Fig. 5;
Fig. 8 is the relief angle structural representation of blade of the present invention;
Fig. 9 is the projection schematic diagram relatively of main cutting edge when being installed on the body of tool of three kinds of rotating diameters.
Each label is represented among the figure:
1, blade body 2, main cutting edge
3, cutting angle 4, wiper edges
5, blade center hole 6, side
7, first flank 8, second flank
9, the 3rd flank 10, wiper edges flank
11, front cutting edge 12, bottom surface
13, upper surface 14, end face
15, recess 16, body of tool
17, housing screw 21, the first curve sword
22, the second curve sword 23, the 3rd curve sword
101, the first smoothing flank 102, the second smoothing flank
The specific embodiment
Extremely shown in Figure 8 as Fig. 3, rotatable blade for face milling and processing of the present invention, comprise by a upper surface 13, a bottom surface 12 and connect two end faces 14 and two blade body 1 that side 6 surrounds that go up bottom surface, this blade body 1 is carried out high temperature sintering then and is shunk formation by cemented carbide powder compression moulding in the agglomerating plant of special use.The center of blade body 1 is provided with the blade center hole 5 perpendicular to blade bottom surface 12, the upper surface 13 of blade body 1 and the intersecting lens of two sides 6 form a pair of main cutting edge 2, the upper surface 13 of blade body 1 all forms wiper edges 4 and front cutting edge 11 with the intersecting lens of each end face 14, wiper edges 4 is connected by a recess 15 with front cutting edge 11, this recess 15 can add the contact length that reduces front cutting edge 11 and workpiece man-hour at vertical cutter down, reduce cutting resistance, and help the discharge of smear metal, main cutting edge 2 is connected by circular-arc cutting angle 3 with wiper edges 4, is provided with by the first smoothing flank 101 and the second smoothing flank 102 to form wiper edges flank 10 on the end face 14 of blade body 1.In process, 4 pairs of finished surfaces of wiper edges rise scrapes light action, and work in-process can significantly improve the finished surface precision.Main cutting edge 2 is formed by connecting by the protruding laterally curve sword at least three sections relative blade center holes 5, each section curve sword forms by plane, place and each self-corresponding cutting rotational circle cylinder are crossing separately, adjacent two sections curve swords seamlessly transit and join, like this, even if at the processing vertical depth during greater than the machined surface of blade lengths, the tool marks that connect of main cutting edge 2 can be unobvious yet during each the cutting, and can process the good whole vertical walls; The mode of main cutting edge 2 to tilt to the bottom surface 12 of blade body 1 gradually, extend to the front cutting edge 11 that is positioned at blade body 1 other end from the cutting angle 3 that is positioned at blade body 1 one ends, when such design makes blade body 1 on being installed on body of tool 16, each section of main cutting edge 2 has different axial inclination, and less axial inclination is arranged at curve cutlery near 3 places, cutting angle, blade body 1 is being strengthened near cutting angle 3 place's intensity, simultaneously, on whole piece main cutting edge 2, do not reduce axial inclination, when improving cutting angle 3 intensity, the eliminating of smear metal is not impacted.In the present embodiment, main cutting edge 2 is formed by connecting by the first curve sword 21, the second curve sword 22 and the 3rd curve sword 23, the second curve sword 22 is between the first curve sword 21 and the 3rd curve sword 23, the first curve sword 21 is connected with wiper edges 4, the 3rd curve sword 23 is connected with front cutting edge 11, and the cutting rotating cylindrical radius surface of the second curve sword 22 is greater than the cutting rotating cylindrical radius surface of the first curve sword 21 and the 3rd curve sword 23.The bottom surface 12 of the first curve sword plane, 21 place and blade body 1 forms
The angle,
The bottom surface 12 of the second curve sword plane, 22 place and blade body 1 forms the λ angle, and 5 °≤λ≤15 °, the bottom surface 12 of the 3rd curve sword plane, 23 place and blade body 1 forms the ψ angle, and 0 °≤ψ≤5 °, and
In the present embodiment
The angle is got 3 °, and λ gets at the angle 10 °, and ψ gets at the angle 2 °.The side 6 of blade body 1 comprises first flank 7, second flank 8 and the 3rd flank 9, first flank 7 intersects with the upper surface 13 of blade body 1, second flank 8 intersects with the bottom surface 12 of blade body 1, the 3rd flank 9 is between first flank 7 and second flank 8, first flank 7 has the first constant relief angle α, and extend along whole main cutting edge 2, α is 7 ° in the present embodiment, the main cutting edge 2 that first flank 7 can effectively reduce blade collapses scarce possibility, simultaneously, can improve the precision of main cutting edge 2 greatly by attrition process, obtain the good vertical machined surface of precision first flank 7.Second flank 8 has the second constant relief angle β, the second relief angle β is greater than the first relief angle α, β is 11 ° in the present embodiment, when second flank 8 being set like this can guaranteeing that blade is installed on the body of tool 16 at a certain angle, do not interfere between bottom surface 12 parts of second flank, 8 close blade body 1 and the finished surface, the 3rd flank 9 has the 3rd relief angle γ less than the second relief angle β, the 3rd flank 9 has Breadth Maximum L near cutting angle 3 one ends, L is 0.8mm in the present embodiment, can further improve the intensity of blade main cutting edge like this, especially the intensity of cutting corner has reduced the possibility that cutting corner is damaged.
As depicted in figs. 1 and 2, when being installed on rotatable blade for face milling and processing of the present invention on the body of tool 16, side 6, end face 14 and the bottom surface 12 that makes blade body 1 respectively with body of tool 16 on set specific blade bearing fit tightly, the side 6 of sheet body 1, end face 14 and bottom surface 12 respectively with body of tool 16 on set specific blade bearing fit tightly, pass blade center hole 5 with housing screw 17 again and be connected, thereby blade body 1 is fixed in the blade bearing of body of tool 16 with body of tool 16.The shape of the blade bearing of this body of tool 16 can design according to the needs of blade, after guaranteeing that blade is installed on this body of tool 16, along with the rotation of body of tool 16 around its rotation, the rotational trajectory that is used to the curve sword processed in the blade keeps cutting rotational circle cylinder with this curve sword of its formation and overlaps.When blade is installed on the body of tool 16 of three kinds of different cutting radiuss of turn, the projection of main cutting edge 2 in passing through the plane of rotation more as shown in Figure 9, the projection of the first curve sword 21 when A cuts for using the first curve sword 21 among Fig. 9, the projection of the second curve sword 22 when B cuts for using the second curve sword 22, the projection of the 3rd curve sword 23 when C cuts for using the 3rd curve sword 23, as can be seen, when blade is installed on the body of tool 16 of different-diameter, have at least the projection 18 of one section curve sword fully to overlap in the projection of main cutting edge 2 with the cutting rotational circle cylinder that forms with body of tool 16 rotations, thereby in the time of can making blade be installed on the different body of tool 16, all can guarantee side Milling Process precision, make the scope of application of blade wider, during greater than the vertical walls of blade main cutting edge 2 length, repeatedly cutting still can obtain good vertical walls in working depth.
Rotatable blade for face milling and processing of the present invention can also be by adjusting the quantity of curve sword in the main cutting edge 2; perhaps the cutting rotating cylindrical radius surface and the arc length of curve sword; make the scope of application of blade wider; this type of conversion all should be considered as the replacement that is equal to of the present invention, all should drop within protection scope of the present invention.
Claims (7)
1. rotatable blade for face milling and processing, comprise by a upper surface (13), two end faces (14) of bottom surface and the blade body (1) that two sides (6) surround are gone up in a bottom surface (12) and connection, the center of described blade body (1) is provided with the blade center hole (5) that is used to install the location, described upper surface (13) forms a pair of main cutting edge (2) with the intersecting lens of two sides (6), it is characterized in that: described main cutting edge (2) is formed by connecting by the protruding laterally curve sword of at least three sections relative blade center hole (5), each section curve sword forms by plane, place and each self-corresponding cutting rotational circle cylinder are crossing separately, adjacent two sections curve swords seamlessly transit and join, the upper surface (13) of described blade body (1) all forms wiper edges (4) and front cutting edge (11) with the intersecting lens of each end face (14), described main cutting edge (2) is connected by circular-arc cutting angle (3) with wiper edges (4), the mode of described main cutting edge (2) to tilt to the bottom surface (12) of blade body (1) gradually, extend to the front cutting edge (11) that is positioned at blade body (1) other end from the cutting angle (3) that is positioned at blade body (1) one end.
2. rotatable blade for face milling and processing according to claim 1, it is characterized in that: described main cutting edge (2) is formed by connecting by the first curve sword (21), the second curve sword (22) and the 3rd curve sword (23), the described second curve sword (22) is positioned between the first curve sword (21) and the 3rd curve sword (23), the described first curve sword (21) is connected with wiper edges (4), described the 3rd curve sword (23) is connected with front cutting edge (11), and the bottom surface (12) of first curve sword (21) plane, place and blade body (1) forms
The angle,
The bottom surface (12) of second curve sword (22) plane, place and blade body (1) forms the λ angle, and 5 °≤λ≤15 °, the bottom surface (12) of the 3rd curve sword (23) plane, place and blade body (1) forms the ψ angle, and 0 °≤ψ≤5 °, and
3. rotatable blade for face milling and processing according to claim 2 is characterized in that: the cutting rotating cylindrical radius surface of the described second curve sword (22) is greater than the cutting rotating cylindrical radius surface of the first curve sword (21) and the 3rd curve sword (23).
4. according to each described rotatable blade for face milling and processing in the claim 1 to 3, it is characterized in that: described wiper edges (4) is connected by a recess (15) with front cutting edge (11).
5. according to each described rotatable blade for face milling and processing in the claim 1 to 3, it is characterized in that: the side (6) of described blade body (1) comprises first flank (7), second flank (8) and the 3rd flank (9), described first flank (7) intersects with the upper surface (13) of blade body (1), described second flank (8) intersects with the bottom surface (12) of blade body (1), described the 3rd flank (9) is positioned between first flank (7) and second flank (8), first flank (7) has constant first relief angle (α), and extend along whole main cutting edge (2), second flank (8) has constant second relief angle (β), described second relief angle (β) is greater than first relief angle (α), and the 3rd flank (9) has the 3rd relief angle (γ) less than second relief angle (β).
6. rotatable blade for face milling and processing according to claim 4, it is characterized in that: the side (6) of described blade body (1) comprises first flank (7), second flank (8) and the 3rd flank (9), described first flank (7) intersects with the upper surface (13) of blade body (1), described second flank (8) intersects with the bottom surface (12) of blade body (1), described the 3rd flank (9) is positioned between first flank (7) and second flank (8), first flank (7) has constant first relief angle (α), and extend along whole main cutting edge (2), second flank (8) has constant second relief angle (β), described second relief angle (β) is greater than first relief angle (α), and the 3rd flank (9) has the 3rd relief angle (γ) less than second relief angle (β).
7. rotatable blade for face milling and processing according to claim 6 is characterized in that: described the 3rd flank (9) has Breadth Maximum (L) near cutting angle (3) one ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100424898A CN101474690B (en) | 2009-01-13 | 2009-01-13 | Rotatable blade for face milling and processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100424898A CN101474690B (en) | 2009-01-13 | 2009-01-13 | Rotatable blade for face milling and processing |
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| Publication Number | Publication Date |
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| CN101474690A CN101474690A (en) | 2009-07-08 |
| CN101474690B true CN101474690B (en) | 2010-10-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100424898A Active CN101474690B (en) | 2009-01-13 | 2009-01-13 | Rotatable blade for face milling and processing |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014050438A1 (en) * | 2012-09-27 | 2014-04-03 | 株式会社タンガロイ | Cutting insert and cutting edge replacement-type rotating cutting instrument |
| CN104014860A (en) * | 2014-05-30 | 2014-09-03 | 株洲钻石切削刀具股份有限公司 | Fine finishing milling blade and milling cutter |
| EP3315234A1 (en) * | 2016-10-25 | 2018-05-02 | Pramet Tools, S.R.O. | Metal cutting insert for milling |
| CN106735487B (en) * | 2016-12-28 | 2018-07-13 | 株洲华锐硬质合金工具有限责任公司 | Position rotatable blade for milling processing and process tool |
| CN107350530B (en) * | 2017-08-31 | 2024-01-23 | 炎陵欧科亿数控精密刀具有限公司 | Indexable insert for large feed milling |
| CN107812994A (en) * | 2017-12-11 | 2018-03-20 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of indexable insert tip, throw away tip for being used for side or face milling |
| EP3587012B1 (en) * | 2018-06-21 | 2022-08-03 | Ceratizit Luxembourg Sàrl | Double-sided tangential milling insert |
| CN110315118B (en) * | 2019-07-19 | 2020-05-26 | 株洲华锐精密工具股份有限公司 | Indexable milling insert for side wall machining |
| JP6868200B1 (en) * | 2019-12-13 | 2021-05-12 | 株式会社タンガロイ | Cutting insert |
| CN117644221B (en) * | 2024-01-30 | 2024-04-05 | 赣州澳克泰工具技术有限公司 | Cutting insert and cutting tool with stable cutting |
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| CN1088864A (en) * | 1992-09-09 | 1994-07-06 | 伊斯卡有限公司 | A kind of removable milling cutting insert |
| WO2007004206A1 (en) * | 2005-06-30 | 2007-01-11 | Iscar Ltd. | Cutting insert |
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2009
- 2009-01-13 CN CN2009100424898A patent/CN101474690B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055497A (en) * | 1990-04-07 | 1991-10-23 | 伊斯卡硬金属股份有限公司 | A kind of cutting tip that is used for the milling cutter |
| EP0480576A1 (en) * | 1990-10-10 | 1992-04-15 | Iscar Ltd. | An insert for a milling cutter |
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| WO2007004206A1 (en) * | 2005-06-30 | 2007-01-11 | Iscar Ltd. | Cutting insert |
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