CN104339036A - Six-blade reamer - Google Patents
Six-blade reamer Download PDFInfo
- Publication number
- CN104339036A CN104339036A CN201310325250.8A CN201310325250A CN104339036A CN 104339036 A CN104339036 A CN 104339036A CN 201310325250 A CN201310325250 A CN 201310325250A CN 104339036 A CN104339036 A CN 104339036A
- Authority
- CN
- China
- Prior art keywords
- reamer
- cutting portion
- neck
- diameter
- blade
- 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.)
- Pending
Links
Abstract
A six-blade reamer comprises a reamer shank, a reamer neck and a cutting portion. One end of the reamer neck is integrally connected with the reamer shank while the other end of the reamer neck is integrally connected with the cutting portion, the diameter of the reamer neck is smaller than that of the reamer shank, the diameter of the reamer neck is smaller than that of the cutting portion, six blade teeth are arranged at the end portion of the cutting portion, six spiral cutting edges corresponding to the blade teeth are further arranged on the cutting portion, spiral chip grooves are arranged among the cutting edges, the spiral angle of each chip groove is 6 degrees, the front angle of each blade is 0 degree, the relief angle of each blade tooth is 8 degrees, and a 45-degree chamfer is arranged at the end portion of the reamer shank; the surface of the cutting portion is coated with an aluminum nitride titanium coating. By the above structure, the six-blade reamer is high in machining precision and long in service life.
Description
Technical field
The present invention relates to a kind of reamer, particularly a kind of six sword reamers.
Background technology
Reamer is a kind of rotary cutter in order to excise machined surface metal, hole after Milling Process can obtain size and dimension accurately, the main effect of its reamer is namely in order to improve the machining accuracy in hole, reduce the roughness on its surface, be applicable to fine finishining and semi-finished cutter, its allowance is general very little.In practical operation, due to the Long-Time Service of lathe and the instability of main shaft power output, cause main shaft to produce and beat, cause the reamer machining accuracy with front angle number not reach requirement.
Summary of the invention
The object of this invention is to provide that a kind of machining accuracy is high, six sword reamers of long service life.
The technical scheme realizing the object of the invention is as follows:
A kind of six sword reamers, comprise handle of a knife, cutter neck and cutting portion, one end of described cutter neck integrally connects handle of a knife, the other end of cutter neck integrally connects cutting portion, the diameter of described cutter neck is less than the diameter of handle of a knife, the diameter of described cutter neck is less than the diameter of cutting portion, the end of described cutting portion is provided with six cutters tooth, cutting portion is also provided with six helical cutting edge corresponding with cutter tooth, helical form chip area is provided with between cutting edge, the helical angle of described chip area is 6 °, and described cutter tooth anterior angle is 0 °, and described cutter tooth relief angle is 8 °.
Described handle of a knife end is provided with 45 ° of chamferings.
Described cutting portion surface is provided with TiAlN coating.
After adopting said structure, the present invention six sword reamer machining accuracy is high, long service life.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the schematic diagram of cutting portion end of the present invention.
Fig. 3 is the schematic diagram of cutter tooth anterior angle of the present invention, relief angle.
In figure: 1 is handle of a knife, 2 is cutter neck, and 3 is cutting portion, and 4 is cutter tooth, and 5 is cutting edge, and 6 is chip area, and 7 is anterior angle, and 8 is relief angle.
Detailed description of the invention
Handle of a knife 1 is comprised by Fig. 1 to Fig. 2 known the present invention six sword reamer, cutter neck 2 and cutting portion 3, one end one of described cutter neck 2 connects handle of a knife 1, the other end one of cutter neck 2 connects cutting portion 3, the diameter of described cutter neck 2 is less than the diameter of handle of a knife 1, the diameter of described cutter neck 2 is less than the diameter of cutting portion 3, the end of described cutting portion 3 is provided with six cutters tooth 4, cutting portion 3 is also provided with six helical cutting edge 5 corresponding with cutter tooth 4, helical form chip area 6 is provided with between cutting edge 5, the helical angle of described chip area 6 is 6 °, the anterior angle 7 of described cutter tooth 4 is 0 °, the relief angle 8 of described cutter tooth 4 is 8 °.Described handle of a knife 1 end is provided with 45 ° of chamferings.Described cutting portion 3 surface is provided with TiAlN coating.
Claims (3)
1. a sword reamer, comprise handle of a knife (1), cutter neck (2) and cutting portion (3), it is characterized in that: one end of described cutter neck (2) integrally connects handle of a knife (1), the other end of cutter neck (2) integrally connects cutting portion (3), the diameter of described cutter neck (2) is less than the diameter of handle of a knife (1), the diameter of described cutter neck (2) is less than the diameter of cutting portion (3), the end of described cutting portion (3) is provided with six cutters tooth (4), cutting portion (3) is also provided with six helical cutting edge (5) corresponding with cutter tooth (4), helical form chip area (6) is provided with between cutting edge (5), the helical angle of described chip area (6) is 6 °, the anterior angle (7) of described cutter tooth (4) is 0 °, the relief angle (8) of described cutter tooth (4) is 8 °.
2. six sword reamers according to claim 1, is characterized in that: described handle of a knife (1) end is provided with 45 ° of chamferings.
3. six sword reamers according to claim 1, is characterized in that: described cutting portion (3) surface is provided with TiAlN coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310325250.8A CN104339036A (en) | 2013-07-30 | 2013-07-30 | Six-blade reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310325250.8A CN104339036A (en) | 2013-07-30 | 2013-07-30 | Six-blade reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104339036A true CN104339036A (en) | 2015-02-11 |
Family
ID=52495957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310325250.8A Pending CN104339036A (en) | 2013-07-30 | 2013-07-30 | Six-blade reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104339036A (en) |
-
2013
- 2013-07-30 CN CN201310325250.8A patent/CN104339036A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150211 |
|
| WD01 | Invention patent application deemed withdrawn after publication |