CN105397167B - A kind of milling cutter - Google Patents
A kind of milling cutter Download PDFInfo
- Publication number
- CN105397167B CN105397167B CN201510922348.0A CN201510922348A CN105397167B CN 105397167 B CN105397167 B CN 105397167B CN 201510922348 A CN201510922348 A CN 201510922348A CN 105397167 B CN105397167 B CN 105397167B
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- China
- Prior art keywords
- cutting
- milling
- cutting edge
- insert
- cutting insert
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/165—Milling-cutters characterised by physical features other than shape with chipbreaking or chipdividing equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/28—Angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/32—Chip breaking or chip evacuation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a kind of milling cutters,The first milling cutting insert and the second milling cutting insert are alternately equipped in multiple cutter grooves,First milling cutting insert and the second milling cutting insert include upper surface,Lower surface,The multiple sides for connecting upper and lower surface and the corner surface between adjacent side,Side forms upper cutting edge with upper surface,Corner surface forms turning sword with upper surface,The adjacent upper cutting edge of any two and the upper cutting unit of upper turning sword composition for connecting the adjacent upper cutting edge,A wherein upper cutting edge in upper cutting unit is main cutting edge,Another upper cutting edge is end cutting edge,When the upper cutting unit of first milling cutting insert and the second milling cutting insert participates in cutting,Upper cutting edge as main cutting edge forms workpiece entrance angle with workpiece surface,In identical cutting direction,First milling cutting insert and the second milling cutting insert are different as the workpiece entrance angle of the upper cutting edge of main cutting edge,The present invention has chip breaking ability good,The advantages that working ability is strong.
Description
Technical field
The present invention relates to metal cutting process field more particularly to a kind of milling cutters.
Background technology
For blade in milling process, the shape of chip has significant impact to the service life of blade and the size of cutting force.Broken
Chip can reduce the load of cutting edge, extend the service life of cutter, and the chip easily snapped off can shorten chip and blade upper surface
The time of contact of groove profile reduces the cutting heat of blade and reduces cutting force.In order to improve the cost performance of blade, people's input is a large amount of
Energy the shape and trench structure of blade are studied, to realize the optimal control to chip.In the prior art, blade chip
Length can be controlled it by the groove profile of blade, but the width of chip is generally limited by cutting depth, that is, be difficult to same
When meet the requirement of higher stock-removing efficiency and preferable chip breaking ability.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide that a kind of chip breaking ability is good, processing energy
Power is strong and milling cutter with long service life.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of milling cutter, including cutter hub and the multiple cutter grooves being opened on the cutter hub, the interior alternating of multiple cutter grooves
Equipped with the first milling cutting insert and the second milling cutting insert, first milling cutting insert and the second milling cutting insert include upper surface, under
Surface, multiple sides of the connection upper and lower surface and the corner surface between adjacent side, the side with
Upper surface forms upper cutting edge, and the corner surface forms turning sword, the adjacent upper cutting edge of any two with upper surface
And the upper cutting unit of upper turning sword composition of the adjacent upper cutting edge is connected, it is cut on wherein one in the upper cutting unit
It is main cutting edge to cut sword, and another upper cutting edge is end cutting edge, is cut on first milling cutting insert and the second milling cutting insert
When cutting unit participation cutting, upper cutting edge and workpiece surface as main cutting edge form workpiece entrance angle, in identical cutting
On direction, the first milling cutting insert and the second milling cutting insert are different as the workpiece entrance angle of the upper cutting edge of main cutting edge.
As a further improvement of the above technical scheme：
The side forms lower cutting edge with lower surface, and the corner surface forms lower turning sword, any two with lower surface
The adjacent lower cutting edge and the lower cutting unit of lower turning sword composition that the adjacent undercuts cut sword is connected, the lower cutting is singly
A wherein lower cutting edge in member is main cutting edge, and another lower cutting edge is end cutting edge, and the lower cutting unit participates in
When cutting, which forms workpiece entrance angle as the lower cutting edge of main cutting edge with workpiece surface, is cut identical
It cuts on direction, the lower cutting unit of the first milling cutting insert and the second milling cutting insert is cut as the workpiece of the lower cutting edge of main cutting edge
Enter angle difference.
The corner surface of first milling cutting insert is arc surface, the upper surface of the arc surface and first milling cutting insert
Circular Nose Cutting Edge is formed, the corner surface of second milling cutting insert is inclined-plane, the upper surface on the inclined-plane and second milling cutting insert
Form inclined edge.
First milling cutting insert and the second milling cutting insert all have eight upper cutting units, first milling cutting insert
The workpiece entrance angle of the main cutting edge of upper cutting unit is α, the main cutting edge of the upper cutting unit of second milling cutting insert
Workpiece entrance angle is β, 35 °≤α≤55 °, 35 °≤β≤55 °, 1 °≤alpha-beta≤15 °, first milling cutting insert and the second milling
Blade all has eight lower cutting units.
First milling cutting insert and the second milling cutting insert all have six upper cutting units, first milling cutting insert
The workpiece entrance angle of the main cutting edge of upper cutting unit is α, the main cutting edge of the upper cutting unit of second milling cutting insert
Workpiece entrance angle is β, 50 °≤α≤70 °, 50 °≤β≤70 °, 1 °≤alpha-beta≤15 °, first milling cutting insert and the second milling
Blade all has six lower cutting units.
Install be all provided on the bottom surface in the cutter groove of first milling cutting insert it is fluted, on first milling cutting insert
Equipped with insert groove mark.
Compared with the prior art, the advantages of the present invention are as follows：
The milling cutter of the present invention, cutter groove is interior to be alternately equipped with the first milling cutting insert and the second milling cutting insert, is cut identical
It cuts on direction, the first milling cutting insert and the second milling cutting insert are different as the workpiece entrance angle of the upper cutting edge of main cutting edge,
When cutting, can chip be effectively divided into multistage frangibility chip, keep milling cutter cutting more brisk, improve stock-removing efficiency,
I.e. milling cutter of the invention has preferable chip breaking ability, and has lower cutting force on the cutting edge of unit length, greatly
Extension milling cutting insert service life and full depth working ability.
Description of the drawings
Fig. 1 is the three-dimensional structure diagram of the first embodiment of milling cutter of the present invention.
Fig. 2 is the three-dimensional structure diagram of the cutter hub of the first embodiment of milling cutter of the present invention.
Fig. 3 is the three-dimensional structure diagram of the first milling cutting insert of the first embodiment of milling cutter of the present invention.
Fig. 4 is the front view of the first milling cutting insert of the first embodiment of milling cutter of the present invention.
Fig. 5 is the three-dimensional structure diagram of the second milling cutting insert of the first embodiment of milling cutter of the present invention.
Fig. 6 is the front view of the second milling cutting insert of the first embodiment of milling cutter of the present invention.
Fig. 7 is the three-dimensional structure diagram of second of embodiment of milling cutter of the present invention.
Fig. 8 is the three-dimensional structure diagram of first milling cutting insert of second of embodiment of milling cutter of the present invention.
Fig. 9 is the front view of first milling cutting insert of second of embodiment of milling cutter of the present invention.
Figure 10 is the three-dimensional structure diagram of second milling cutting insert of second of embodiment of milling cutter of the present invention.
Figure 11 is the front view of second milling cutting insert of second of embodiment of milling cutter of the present invention.
Each label indicates in figure：
1, cutter hub；2, upper surface；21, upper cutting edge；3, lower surface；31, lower cutting edge；4, side；5, corner surface；51、
Upper turning sword；511, arc surface；512, Circular Nose Cutting Edge；521, inclined-plane；522, inclined edge；52, lower turning sword；61, upper cutting unit；
62, lower cutting unit；8, cutter groove；81, groove；91, the first milling cutting insert；911, insert groove mark；92, the second milling cutting insert.
Specific implementation mode
The present invention is described in further details below with reference to Figure of description and specific embodiment.
Fig. 1 to Fig. 6 shows the first embodiment of milling cutter of the present invention, and the milling cutter of the embodiment includes cutter hub
1 and multiple cutter grooves 8 for being opened on cutter hub 1, the first milling cutting insert 91 and the second milling cutting insert are alternately equipped in multiple cutter grooves 8
92, the first milling cutting insert 91 and the second milling cutting insert 92 include upper surface 2, lower surface 3, connection upper surface 2 and lower surface 3
Multiple sides 4 and the corner surface 5 between adjacent side 4, side 4 form upper cutting edge 21, corner surface 5 with upper surface 2
Upper turning sword 51 is formed with upper surface 2, the adjacent upper cutting edge 21 of any two and connects the upper of the adjacent upper cutting edge 21
Turning sword 51 forms upper cutting unit 61, and the wherein upper cutting edge 21 in upper cutting unit 61 is main cutting edge, another
Upper cutting edge 21 is end cutting edge, when the participation of upper cutting unit 61 of the first milling cutting insert 91 and the second milling cutting insert 92 is cut,
Upper cutting edge 21 as main cutting edge forms workpiece entrance angle, in identical cutting direction, the first milling with workpiece surface
Blade 91 and the second milling cutting insert 92 are different as the workpiece entrance angle of the upper cutting edge 21 of main cutting edge, are alternately set in cutter groove 8
There are the first milling cutting insert 91 and the second milling cutting insert 92, in identical cutting direction, the first milling cutting insert 91 and the second milling
Blade 92 is different as the workpiece entrance angle of the upper cutting edge 21 of main cutting edge, in cutting, can effectively be divided into chip more
Section frangibility chip keeps milling cutter cutting more brisk, improves stock-removing efficiency, i.e. milling cutter of the invention has preferably disconnected
Bits ability, and have lower cutting force on the cutting edge of unit length greatly extends the service life of milling cutting insert and big
The working ability of cutting depth.
In the present embodiment, side 4 forms lower cutting edge 31 with lower surface 3, and corner surface 5 forms lower turning sword with lower surface 3
52, the adjacent lower cutting edge 31 of any two and connect the lower cutting unit of lower turning sword 52 composition that the adjacent undercuts cut sword 31
62, the wherein lower cutting edge 31 in lower cutting unit 62 is main cutting edge, and another lower cutting edge 31 is end cutting edge, under
When cutting unit 62 participates in cutting, which forms workpiece as the lower cutting edge 31 of main cutting edge with workpiece surface
Entrance angle, in identical cutting direction, the lower cutting unit 62 of the first milling cutting insert 91 and the second milling cutting insert 92 is as master
The workpiece entrance angle of the lower cutting edge 31 of cutting edge is different, and similarly, chip can effectively be divided by lower cutting edge 31 in cutting
Multistage frangibility chip keeps milling cutter cutting more brisk, improves stock-removing efficiency, i.e. milling cutter of the invention has preferable
Chip breaking ability, and on the cutting edge of unit length have lower cutting force, greatly extend milling cutting insert service life and
The working ability of full depth.
In the present embodiment, the corner surface 5 of the first milling cutting insert 91 is arc surface 511, arc surface 511 and the first milling cutting insert
91 upper surface 2 forms Circular Nose Cutting Edge 512, and the corner surface 5 of the second milling cutting insert 92 is inclined-plane 521, inclined-plane 521 and the second milling cutter
The upper surface 2 of piece 92 forms inclined edge 522, the corner surface 5 of the first milling cutting insert 91 and the second milling cutting insert 92 respectively with upper surface 2
Circular Nose Cutting Edge 512 and inclined edge 522 are formed, on milling tools, the interval setting in cutter groove 8 of Circular Nose Cutting Edge 512 and inclined edge 522 can be with
Further increase the chip breaking ability of cutter.
In the present embodiment, the first milling cutting insert 91 and the second milling cutting insert 92 all have eight upper cutting units 61, and first
The workpiece entrance angle of the main cutting edge of the upper cutting unit 61 of milling cutting insert 91 is α, the upper cutting unit of the second milling cutting insert 92
The workpiece entrance angle of 61 main cutting edge be β, 35 °≤α≤55 °, 35 °≤β≤55 °, 1 °≤alpha-beta≤15 °, in order to ensure to cut
Effect, 35 °≤α≤55 °, 35 °≤β≤55 °, 1 °≤alpha-beta≤15 °, in the present embodiment, α=48 °, β=42 °, the first milling cutting insert
91 and second milling cutting insert 92 all have eight lower cutting units 62.
In the present embodiment, installs and be all provided with fluted 81 on the bottom surface in the cutter groove 8 of the first milling cutting insert 91, the first milling cutter
Piece 91 is equipped with insert groove mark 911, when installation, as long as groove 81 is corresponding with insert groove mark 911, it is ensured that milling cutting insert
Accurate installation.
Fig. 7 to Figure 11 shows second of embodiment of milling cutter of the present invention, the embodiment and the first embodiment base
This is identical, differs only in：In the present embodiment, the first milling cutting insert 91 and the second milling cutting insert 92 all have six upper cutting lists
Member 61, the workpiece entrance angle of the main cutting edge of the upper cutting unit 61 of the first milling cutting insert 91 are α, the second milling cutting insert 92 it is upper
The workpiece entrance angle of the main cutting edge of cutting unit 61 be β, 50 °≤α≤70 °, 50 °≤β≤70 °, 1 °≤alpha-beta≤15 °, this reality
It applies in example, α=65 °, β=55 °, the first milling cutting insert 91 and the second milling cutting insert 92 all have six lower cutting units 62.
Although the present invention has been disclosed as a preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications, or is revised as the equivalent embodiment of equivalent variations.Therefore, every
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (6)
1. a kind of milling cutter, including cutter hub（1）Be opened in the cutter hub（1）On multiple cutter grooves（8）, it is characterised in that：
Multiple cutter grooves（8）Interior alternating is equipped with the first milling cutting insert（91）With the second milling cutting insert（92）, first milling cutting insert
（91）With the second milling cutting insert（92）It include upper surface（2）, lower surface（3）, the connection upper surface（2）The lower surface and（3）
Multiple sides（4）And it is located at adjacent side（4）Between corner surface（5）, the side（4）With upper surface（2）In formation
Cutting edge（21）, the corner surface（5）With upper surface（2）Turning sword in formation（51）, the adjacent upper cutting of any two
Sword（21）And connect the adjacent upper cutting edge（21）Upper turning sword（51）Cutting unit on composition（61）, the upper cutting list
Member（61）In a wherein upper cutting edge（21）It is main cutting edge, another upper cutting edge（21）It is end cutting edge, described
One milling cutting insert（91）With the second milling cutting insert（92）Upper cutting unit（61）When participating in cutting, as being cut on main cutting edge
Cut sword（21）Workpiece entrance angle, in identical cutting direction, the first milling cutting insert are formed with workpiece surface（91）With the second milling
Paring blade（92）Upper cutting edge as main cutting edge（21）Side surface of workpiece entrance angle difference with by chip be divided into multistage and easily
It fractures, the side that any two is spaced apart（4）Form the first milling cutting insert（91）Or second milling cutting insert（92）Side positioning
Face.
2. milling cutter according to claim 1, it is characterised in that：The side（4）With lower surface（3）Form lower cutting
Sword（31）, the corner surface（5）With lower surface（3）Form lower turning sword（52）, the adjacent lower cutting edge of any two
（31）And it connects the adjacent undercuts and cuts sword（31）Lower turning sword（52）The lower cutting unit of composition（62）, the lower cutting unit
（62）In a wherein lower cutting edge（31）It is main cutting edge, another lower cutting edge（31）It is end cutting edge, the incision
Cut unit（62）When participating in cutting, the lower cutting unit（62）Lower cutting edge as main cutting edge（31）It is formed with workpiece surface
Workpiece entrance angle, in identical cutting direction, the first milling cutting insert（91）With the second milling cutting insert（92）Lower cutting unit
（62）Lower cutting edge as main cutting edge（31）Workpiece entrance angle it is different.
3. milling cutter according to claim 1, it is characterised in that：First milling cutting insert（91）Corner surface（5）
It is arc surface（511）, the arc surface（511）With first milling cutting insert（91）Upper surface（2）Form Circular Nose Cutting Edge
（512）, second milling cutting insert（92）Corner surface（5）It is inclined-plane（521）, the inclined-plane（521）With second milling
Blade（92）Upper surface（2）Form inclined edge（522）.
4. milling cutter according to any one of claim 1 to 3, it is characterised in that：First milling cutting insert（91）
With the second milling cutting insert（92）All have eight upper cutting units（61）, first milling cutting insert（91）Upper cutting unit
（61）Main cutting edge workpiece entrance angle be α, second milling cutting insert（92）Upper cutting unit（61）Main cutting edge
Workpiece entrance angle be β, 35 °≤α≤55 °, 35 °≤β≤55 °, 1 °≤alpha-beta≤15 °, first milling cutting insert（91）With
Two milling cutting inserts（92）All have eight lower cutting units（62）.
5. milling cutter according to any one of claim 1 to 3, it is characterised in that：First milling cutting insert（91）
With the second milling cutting insert（92）All have six upper cutting units（61）, first milling cutting insert（91）Upper cutting unit
（61）Main cutting edge workpiece entrance angle be α, second milling cutting insert（92）Upper cutting unit（61）Main cutting edge
Workpiece entrance angle be β, 50 °≤α≤70 °, 50 °≤β≤70 °, 1 °≤alpha-beta≤15 °, first milling cutting insert（91）With
Two milling cutting inserts（92）All have six lower cutting units（62）.
6. milling cutter according to any one of claim 1 to 3, it is characterised in that：Install first milling cutting insert
（91）The cutter groove（8）It is all provided on interior bottom surface fluted（81）, first milling cutting insert（91）It is equipped with insert groove mark
（911）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922348.0A CN105397167B (en) | 2015-12-14 | 2015-12-14 | A kind of milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922348.0A CN105397167B (en) | 2015-12-14 | 2015-12-14 | A kind of milling cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105397167A CN105397167A (en) | 2016-03-16 |
| CN105397167B true CN105397167B (en) | 2018-08-10 |
Family
ID=55463104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510922348.0A Active CN105397167B (en) | 2015-12-14 | 2015-12-14 | A kind of milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105397167B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1487864A (en) * | 2001-01-25 | 2004-04-07 | Cutting insert | |
| CN1524023A (en) * | 2001-07-04 | 2004-08-25 | Milling cutter and cutting insert therefor | |
| CN1537691A (en) * | 2003-04-17 | 2004-10-20 | �ֶ��ع����ɷ�����˾ | Cutter and cutting blade for the cutter |
| EP2198997A2 (en) * | 2008-12-17 | 2010-06-23 | Sandvik Intellectual Property AB | Double-sided, indexable face milling insert |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3246163B2 (en) * | 1994-02-28 | 2002-01-15 | 三菱マテリアル株式会社 | Cutting tools |
-
2015
- 2015-12-14 CN CN201510922348.0A patent/CN105397167B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1487864A (en) * | 2001-01-25 | 2004-04-07 | Cutting insert | |
| CN1524023A (en) * | 2001-07-04 | 2004-08-25 | Milling cutter and cutting insert therefor | |
| CN1537691A (en) * | 2003-04-17 | 2004-10-20 | �ֶ��ع����ɷ�����˾ | Cutter and cutting blade for the cutter |
| EP2198997A2 (en) * | 2008-12-17 | 2010-06-23 | Sandvik Intellectual Property AB | Double-sided, indexable face milling insert |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105397167A (en) | 2016-03-16 |
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