CN112338249A - Single-edge ball-end milling cutter for deep hole machining - Google Patents
Single-edge ball-end milling cutter for deep hole machining Download PDFInfo
- Publication number
- CN112338249A CN112338249A CN202011333763.XA CN202011333763A CN112338249A CN 112338249 A CN112338249 A CN 112338249A CN 202011333763 A CN202011333763 A CN 202011333763A CN 112338249 A CN112338249 A CN 112338249A
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- CN
- China
- Prior art keywords
- ball
- edge
- deep hole
- sword
- angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/1009—Ball nose end mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/20—Top or side views of the cutting edge
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a single-edge ball-end milling cutter for deep hole machining, which comprises a cutting part and a handle part, wherein the cutting part comprises a ball-end edge, a first clearance surface, a second clearance surface, a side edge and a spiral groove, the ball-end edge is arranged at the foremost end of the cutting part, the first clearance surface is adjacent to the ball-end edge, the second clearance surface is adjacent to the first clearance surface, the side edge is arranged at the rear side of the first clearance surface, the spiral groove extends from the ball-end edge to the tail part of the cutting part, and the groove front angle of the spiral groove is 9-15 degrees. Structural design is reasonable, and bulb sword and side sword integrated into one piece, the cell type and the rigidity of helicla flute reach balance, and the chip removal is smooth and easy, and the processing does not have the shake sword phenomenon.
Description
Technical Field
The invention relates to the technical field of cutters, in particular to a single-edge ball-end milling cutter for deep hole machining.
Background
Deep hole machining occupies a very important position in the field of machining, and accounts for about 40% of hole machining amount, along with the progress of scientific technology, novel deep hole parts which are high in strength, hardness and value and difficult to machine continuously appear, and the requirements of machining workpieces on machining depth, machining precision and machining efficiency are continuously improved, so that deep hole machining becomes a key process and a machining difficulty of machining.
In practical application, the drill bit that processing deep hole adopted need use the extension drill bit, need use the draw ratio 10 times to the deep hole processing of some parts, and the total length is the ball end mill of 20 times footpaths, among the prior art, adopts 2 sword ball end mill to process usually, adopts this kind of milling cutter, even processing is soft material, also appears the card bits easily in the in-service use and shakes the sword phenomenon, and the surface of processing out can not reach the requirement.
Disclosure of Invention
The purpose of the invention is as follows: in view of the problems and deficiencies in the prior art, the present invention provides a single-edge ball end mill for deep hole machining.
The technical scheme is as follows: in order to achieve the above object, the present invention provides a single-edge ball end mill for deep hole machining, comprising: cutting part and stalk portion, the cutting part includes ball head sword, keeps away spacious face one, keeps away spacious face two, side sword and helicla flute, the ball head sword sets up the foremost in the cutting part, keep away spacious face one and the adjacent setting of ball head sword, keep away spacious face two and keep away the adjacent setting of spacious face one, the side sword sets up the rear side at keep away spacious face one, the helicla flute extends to the afterbody of cutting part from ball head sword, the groove anterior angle of helicla flute is 9~ 15.
Furthermore, a cutting edge is arranged on the side edge, and the width of the cutting edge is 1-1.5 mm.
Further, the spiral angle of the spiral groove is 30 °.
Furthermore, the joint of the first clearance surface and the second clearance surface is an inclined straight line.
Further, the ball-end blade is provided with a first relief angle and a second relief angle, the first relief angle being
The angle is adjacent to the groove front angle, the second rear angle is arranged between the first rear angle and the clearance surface I, the first rear angle ranges from 10 degrees to 15 degrees, and the second rear angle ranges from 24 degrees to 32 degrees.
Further, the first avoidance surface is an inclined surface, and the second avoidance surface is a revolution surface.
According to the technical scheme, the invention has the beneficial effects that:
the single-edge ball-end milling cutter for deep hole machining is reasonable in structural design, the ball-end edge and the side edge are integrally formed, the groove type and the rigidity of the spiral groove are balanced, chip removal is smooth, and no tool vibration phenomenon exists in machining.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a schematic structural diagram of a part to be machined according to the present invention.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
As shown in fig. 1 to 3, a single-edge ball nose milling cutter for deep hole machining includes: cutting part 1 and stalk portion 2, cutting part 1 includes ball sword 11, clearance face one 12, two 13 of clearance face, side edge 14 and helicla flute 15, ball sword 11 sets up the foremost in cutting part 1, clearance face one 12 sets up with ball sword 11 is adjacent, two 13 of clearance face and the adjacent setting of clearance face one 12, side edge 14 sets up the rear side at clearance face one 12, helicla flute 15 extends to the afterbody of cutting part 1 from ball sword 11, the flute anterior angle 151 of helicla flute 15 is 9~ 15.
In this embodiment, the side edge 14 is provided with a land 141, and the width of the land 141 is 1 to 1.5 mm.
The helical groove 15 in this embodiment has a helix angle of 30 °.
In this embodiment, the joint between the first clearance surface 12 and the second clearance surface 13 is an inclined straight line.
In this embodiment, the ball-end blade 11 is provided with a first relief angle 111 and a second relief angle 112, in this embodiment, the first relief angle 111 is adjacent to the groove front angle 151, the second relief angle 112 is disposed between the first relief angle 111 and the clearance surface one 12, the first relief angle 111 is 10 ° -15 °, and the second relief angle 112 is 24 ° -32 °.
In this embodiment, the first clearance surface 12 is an inclined surface, and the second clearance surface 13 is a revolution surface.
The examples are given solely for the purpose of illustration and are not to be construed as limitations of the present invention, as various equivalents will occur to those skilled in the art upon reading the present invention and are intended to be within the scope of the invention as defined in the claims appended hereto.
Claims (6)
1. The utility model provides a single-edge ball end mill that deep hole processing used which characterized in that: the method comprises the following steps: cutting part (1) and stalk portion (2), cutting part (1) includes ball sword (11), clearance face one (12), clearance face two (13), side sword (14) and helicla flute (15), ball sword (11) set up the foremost in cutting part (1), clearance face one (12) and ball sword (11) adjacent setting, clearance face two (13) and clearance face one (12) adjacent setting, side sword (14) set up the rear side at clearance face one (12), helicla flute (15) extend to the afterbody of cutting part (1) from ball sword (11), flute anterior angle (151) of helicla flute (15) are 9~ 15.
2. A single-edge ball nose cutter for deep hole machining according to claim 1, characterized in that: a cutting edge (141) is arranged on the side edge (14), and the width of the cutting edge (141) is 1-1.5 mm.
3. A single-edge ball nose cutter for deep hole machining according to claim 1, characterized in that: the spiral angle of the spiral groove (15) is 30 degrees.
4. A single-edge ball nose cutter for deep hole machining according to claim 1, characterized in that: the connection part of the first clearance surface (12) and the second clearance surface (13) is an inclined straight line.
5. A single-edge ball nose cutter for deep hole machining according to claim 1, characterized in that: the ball head cutting edge (11) is provided with a first rear angle (111) and a second rear angle (112), the first rear angle (111) is adjacent to the groove front angle (151), the second rear angle (112) is arranged between the first rear angle (111) and the clearance surface I (12), the first rear angle (111) ranges from 10 degrees to 15 degrees, and the second rear angle (112) ranges from 24 degrees to 32 degrees.
6. A single-edge ball nose cutter for deep hole machining according to claim 1, characterized in that: the first escape surface (12) is an inclined surface, and the second escape surface (13) is a revolution surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011333763.XA CN112338249A (en) | 2020-11-24 | 2020-11-24 | Single-edge ball-end milling cutter for deep hole machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011333763.XA CN112338249A (en) | 2020-11-24 | 2020-11-24 | Single-edge ball-end milling cutter for deep hole machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112338249A true CN112338249A (en) | 2021-02-09 |
Family
ID=74364742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011333763.XA Withdrawn CN112338249A (en) | 2020-11-24 | 2020-11-24 | Single-edge ball-end milling cutter for deep hole machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112338249A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305517A (en) * | 2021-06-21 | 2021-08-27 | 成都爱乐达航空制造股份有限公司 | Method for processing side wall holes of ribs and flanges |
-
2020
- 2020-11-24 CN CN202011333763.XA patent/CN112338249A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305517A (en) * | 2021-06-21 | 2021-08-27 | 成都爱乐达航空制造股份有限公司 | Method for processing side wall holes of ribs and flanges |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210209 |