CN102489765A - Non-slot-shared step cutter - Google Patents
Non-slot-shared step cutter Download PDFInfo
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- CN102489765A CN102489765A CN2011104031081A CN201110403108A CN102489765A CN 102489765 A CN102489765 A CN 102489765A CN 2011104031081 A CN2011104031081 A CN 2011104031081A CN 201110403108 A CN201110403108 A CN 201110403108A CN 102489765 A CN102489765 A CN 102489765A
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Abstract
The invention relates to a non-slot-shared step cutter. The cutter comprises a shank and a cutter body, wherein the shank and the cutter body are coaxial cylinders with a common axis as the center; the cutter body comprises two concentric cylinders; the first cylinder is arranged at the front end of the cutter body and the second cylinder is arranged at the rear end of the cutter body; the diameter of the first cylinder is smaller than that of the second cylinder; the first cylinder is provided with a first chip groove; the second cylinder is provided with a second chip groove; a first circumferential blade is formed at the junction of the first chip groove and the first cylinder; a second circumferential blade is formed at the junction of the second chip groove and the second cylinder; a stepped angle is used for transition from the first cylinder to the second cylinder; chamfered blades are arranged on an entity portion formed by the stepped angle and are arranged in the second chip groove; the first circumferential blade axially extends into the second cylinder; and end blades are arranged at the axial tail end of the first cylinder. The cutter has the following characteristic: the first chip groove and the second chip groove are independent of each other and are respectively designed according to the processing materials and conditions to ensure the maximization of the cutter performances.
Description
Technical field
The present invention relates to a kind of high speed, superhard precision cutting tool, relate in particular to a kind of non-groove ladder milling cutter altogether.
Background technology
Along with the extensive practicality of Digit Control Machine Tool and machining center, a lot of processing steps can concentrate on same equipment to carry out, and machining efficient improves greatly.The continuous application of compound tool also makes the service efficiency of Digit Control Machine Tool and machining center improve greatly on the other hand, further speed production beat and effectively reduction cost per unit.Traditional ladder milling cutter can once be accomplished twice milling when the processing cascaded surface, has greatly improved production efficiency.
Present ladder milling cutter, no matter cutter material is high-speed steel or carbide alloy, its structure is common groove pattern basically, promptly the cutting edge of first ladder and second ladder is arranged in the same chip area.Have chamfering blades to link to each other between the cutting edge, some (two or more than) chamfering blades has formed the ladder angle.
The ladder milling cutter of traditional approach exposes following deficiency in application process:
(1) because the ladder milling cutter of groove pattern altogether, employing be same chip area, a grinding of chip area is accomplished, the radial rake of its chip area is different along with the difference of diameter.Shown in the A-A figure of figure one, the groove anterior angle of two sections diameters is obviously different.And can only emphasis in design and in making consider the anterior angle of a certain diameter, and can produce the cutting edge wearing and tearing situation inequality of each diameter in actual use, reduced the use and the economic performance of cutter.
The cutting edge of (2) first ladders and the transitional form of chamfering blades are by the decision of emery wheel fillet, and the emery wheel radius of corner is not a definite value in the cutter manufacture process, changes along with the wearing and tearing of emery wheel; The fillet that the emery wheel fillet neither be real in addition, and its shape is not suitable for the occasion that precision component needs accurately to control machining shape along with wearing and tearing more near ellipse or parabola.
Therefore,, need the ladder milling cutter of a kind of new structure of design, improve the serviceability of ladder milling cutter each several part, also reduce use cost greatly with the highly-efficient processing that adapts to precision component for addressing the above problem.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, a kind of non-groove ladder milling cutter altogether is provided.
The object of the invention is realized through following technical scheme:
Non-groove ladder milling cutter altogether comprises handle of a knife and cutter hub, and handle of a knife and cutter hub are to be the coaxial clyinder at center with the common axis; Characteristics are: cutter hub comprises two sections concentric columns, and front end is first cylinder, and the rear end is second cylinder; The diameter of first cylinder has first chip area less than the diameter of second cylinder on first cylinder, have second chip area on second cylinder; The intersection of first chip area and first cylinder forms first all swords, and the intersection of second chip area and second cylinder forms second all swords, and first cylinder is through the ladder angle and the second cylinder transition; The entity part that the ladder dihedral becomes is provided with chamfering blades; Chamfering blades is arranged in second chip area, and first all swords extend in second cylinder vertically, and the first cylinder axis terminad is provided with the end sword.
Further, above-mentioned non-groove ladder milling cutter altogether, wherein, the groove anterior angle that the corresponding groove anterior angle of said first chip area and second chip area are corresponding is different.
Further, above-mentioned non-groove ladder milling cutter altogether, wherein, said chamfering blades and second all swords are arranged in the same chip area.
Again further, above-mentioned non-groove ladder milling cutter altogether, wherein, said chamfering blades forms the back chipping structure, and the back chipping structure is positioned at the knife back place of first cylinder, and this back chipping structure does not become to interfere with first all tooth shapes.
Substantive distinguishing features and obvious improvement that technical scheme of the present invention is outstanding are mainly reflected in:
Each cylinder has independently chip area on the non-groove ladder milling cutter altogether of the present invention, and independently chip area can design respectively according to rapidoprint and processing conditions, guarantees the milling cutter maximizing performance; Through the design of minute groove, the back chipping structure of ladder place chamfering blades is arranged on the first cylinder knife back, guaranteed first all swords lengthening as far as possible continuously and under situation about allowing.Moreover; Non-groove ladder milling cutter altogether, because the back chipping structure of ladder place chamfering blades is arranged on the first cylinder knife back, the integrality of chamfering blades and abrasion of grinding wheel situation are irrelevant; Guaranteed to use similar products in the processing of precision component, and improved working (machining) efficiency greatly.
Description of drawings
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Fig. 1: the non-structural representation of groove ladder milling cutter altogether;
The A-A cross-sectional schematic of Fig. 2: Fig. 1;
Fig. 3: the non-schematic perspective view of groove ladder milling cutter altogether.
The specific embodiment
Like Fig. 1, shown in Figure 2, non-groove ladder milling cutter altogether comprises handle of a knife 1 and cutter hub 2; Handle of a knife 1 and cutter hub 2 are to be the coaxial clyinder at center with common axis 3, and cutter hub 2 comprises two sections concentric columns, and front end is first cylinder; The rear end is second cylinder, and the diameter D1 of first cylinder is less than the diameter D2 of second cylinder, and first cylinder and second cylinder constitute two important process parts of ladder milling cutter; Have the intersection that has second chip area, 5, the first chip areas 4 and first cylinder on first chip area, 4, the second cylinders on first cylinder and form first all swords 6; The intersection of second chip area 5 and second cylinder forms second all swords 7, at the ladder milling cutter during according to radial motion, in order to process different cascaded surfaces; First cylinder is through the ladder angle 8 and the second cylinder transition, and the entity part that ladder angle 8 forms is provided with chamfering blades 9, and this chamfering blades 9 is arranged in second chip area 5; First cylinder formed first all swords extend in second cylinder vertically, and chamfering blades 9 forms back chipping structure 10, and back chipping structure 10 is positioned at the first cylinder knife back, 12 places; The back chipping structure 10 and first cylinder do not have interference, and first all swords 6 are through chamfering blades 9 and second all sword 7 transition, and first cylinder extend into second cylinder vertically; The first cylinder axis terminad is provided with end sword 11, and end sword 11 is in order to the part of processing parts bottom surface.First chip area 4 and the 5 separate settings of second chip area design respectively according to rapidoprint and processing conditions.
As shown in Figure 3, the second groove anterior angle 14 that the corresponding first groove anterior angle 13 of first chip area and second chip area are corresponding is different.
Different ladders are arranged on different chip areas, and first cylinder has independently that first chip area, 4, the second cylinders have independently second chip area 5.Independently first chip area 4 and second chip area 5 are distinguished corresponding different groove anterior angle, to adapt to the machining condition of diverse location.
First all swords 6 extend in second cylinder, and are making prolongation as far as possible under the situation about allowing.
Ladder angle 8 is when forming chamfering blades 9; Its back chipping structure 10 only appears at the first cylinder knife back, 12 places; And can not destroy the complete of first all swords 6, chamfering blades 9 is structurally not related with first all swords 6, has guaranteed the integrality of chamfering blades 9; And its integrality and emery wheel fillet etc. are irrelevant, are fit to the processing request of precision component.
In sum, each cylinder has independently chip area on the non-groove ladder milling cutter altogether of the present invention, and independently chip area can design respectively according to rapidoprint and processing conditions, guarantees the milling cutter maximizing performance; Through the design of minute groove, the back chipping structure of ladder place chamfering blades is arranged on the first cylinder knife back, guaranteed first all swords lengthening as far as possible continuously and under situation about allowing.Moreover; Non-groove ladder milling cutter altogether, because the back chipping structure of ladder place chamfering blades is arranged on the first cylinder knife back, the integrality of chamfering blades and abrasion of grinding wheel situation are irrelevant; Guaranteed to use similar products in the processing of precision component, and improved working (machining) efficiency greatly.
What need understand is: the above only is a preferred implementation of the present invention; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (4)
1. non-groove ladder milling cutter altogether comprises handle of a knife and cutter hub, and handle of a knife and cutter hub are to be the coaxial clyinder at center with the common axis; It is characterized in that: cutter hub comprises two sections concentric columns, and front end is first cylinder, and the rear end is second cylinder; The diameter of first cylinder has first chip area less than the diameter of second cylinder on first cylinder, have second chip area on second cylinder; The intersection of first chip area and first cylinder forms first all swords, and the intersection of second chip area and second cylinder forms second all swords, and first cylinder is through the ladder angle and the second cylinder transition; The entity part that the ladder dihedral becomes is provided with chamfering blades; Chamfering blades is arranged in second chip area, and first all swords extend in second cylinder vertically, and the first cylinder axis terminad is provided with the end sword.
2. non-altogether groove ladder milling cutter according to claim 1 is characterized in that: the groove anterior angle that the corresponding groove anterior angle of said first chip area and second chip area are corresponding is different.
3. non-groove ladder milling cutter altogether according to claim 1, it is characterized in that: said chamfering blades and second all swords are arranged in the same chip area.
4. non-groove ladder milling cutter altogether according to claim 1, it is characterized in that: said chamfering blades forms the back chipping structure, and the back chipping structure is positioned at the first cylinder knife back place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104031081A CN102489765A (en) | 2011-12-07 | 2011-12-07 | Non-slot-shared step cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104031081A CN102489765A (en) | 2011-12-07 | 2011-12-07 | Non-slot-shared step cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102489765A true CN102489765A (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104031081A Pending CN102489765A (en) | 2011-12-07 | 2011-12-07 | Non-slot-shared step cutter |
Country Status (1)
| Country | Link |
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| CN (1) | CN102489765A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378834A (en) * | 2016-11-29 | 2017-02-08 | 梧州市三禾添佰利五金加工有限公司 | Improved wood product machining straight knife |
| EP3189918A1 (en) * | 2016-01-05 | 2017-07-12 | The Boeing Company | Variable rake fatigue enhancing orbital drilling cutter |
| CN107262796A (en) * | 2017-05-19 | 2017-10-20 | 天津大学 | One kind is suitable to industrial robot module laminated body helical milling Special compound tool |
| CN108188453A (en) * | 2018-02-01 | 2018-06-22 | 苏州阿诺精密切削技术有限公司 | Long bits cutting multi-ladder corrects non-gouge bit altogether |
| CN109676184A (en) * | 2019-02-15 | 2019-04-26 | 深圳市鑫金泉钻石刀具有限公司 | A kind of four blade milling cutters |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003334709A (en) * | 2002-05-13 | 2003-11-25 | Nippon Choko Kk | Stepped drill |
| JP2005111638A (en) * | 2003-10-10 | 2005-04-28 | Mitsubishi Materials Kobe Tools Corp | Stepped end mill, and its manufacturing method |
| JP2009184043A (en) * | 2008-02-05 | 2009-08-20 | Tungaloy Corp | Stepped twist drill and method of manufacturing the same |
| CN101890529A (en) * | 2010-07-28 | 2010-11-24 | 深圳市金洲精工科技股份有限公司 | Step mill cutter |
| CN202344008U (en) * | 2011-12-07 | 2012-07-25 | 苏州阿诺精密切削技术股份有限公司 | Stepped milling cutter without common groove |
-
2011
- 2011-12-07 CN CN2011104031081A patent/CN102489765A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003334709A (en) * | 2002-05-13 | 2003-11-25 | Nippon Choko Kk | Stepped drill |
| JP2005111638A (en) * | 2003-10-10 | 2005-04-28 | Mitsubishi Materials Kobe Tools Corp | Stepped end mill, and its manufacturing method |
| JP2009184043A (en) * | 2008-02-05 | 2009-08-20 | Tungaloy Corp | Stepped twist drill and method of manufacturing the same |
| CN101890529A (en) * | 2010-07-28 | 2010-11-24 | 深圳市金洲精工科技股份有限公司 | Step mill cutter |
| CN202344008U (en) * | 2011-12-07 | 2012-07-25 | 苏州阿诺精密切削技术股份有限公司 | Stepped milling cutter without common groove |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3189918A1 (en) * | 2016-01-05 | 2017-07-12 | The Boeing Company | Variable rake fatigue enhancing orbital drilling cutter |
| US9889510B2 (en) | 2016-01-05 | 2018-02-13 | The Boeing Company | Variable rake fatigue enhancing orbital drilling cutter |
| CN106378834A (en) * | 2016-11-29 | 2017-02-08 | 梧州市三禾添佰利五金加工有限公司 | Improved wood product machining straight knife |
| CN107262796A (en) * | 2017-05-19 | 2017-10-20 | 天津大学 | One kind is suitable to industrial robot module laminated body helical milling Special compound tool |
| CN108188453A (en) * | 2018-02-01 | 2018-06-22 | 苏州阿诺精密切削技术有限公司 | Long bits cutting multi-ladder corrects non-gouge bit altogether |
| CN108188453B (en) * | 2018-02-01 | 2023-11-10 | 苏州阿诺精密切削技术有限公司 | Multi-step correction non-common-flute drill bit for long chip cutting |
| CN109676184A (en) * | 2019-02-15 | 2019-04-26 | 深圳市鑫金泉钻石刀具有限公司 | A kind of four blade milling cutters |
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Application publication date: 20120613 |