CN102275002A - Spiral milling cutter used for processing compound materials - Google Patents
Spiral milling cutter used for processing compound materials Download PDFInfo
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- CN102275002A CN102275002A CN2011102135476A CN201110213547A CN102275002A CN 102275002 A CN102275002 A CN 102275002A CN 2011102135476 A CN2011102135476 A CN 2011102135476A CN 201110213547 A CN201110213547 A CN 201110213547A CN 102275002 A CN102275002 A CN 102275002A
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Abstract
The invention discloses a spiral milling cutter used for processing compound materials, which comprises a cutter handle part and a cutting part, wherein cutting part comprises a small-diameter cutting section, a chamfering conical section and a chip-removing guiding section; the small-diameter end of the chamfering conical section is connected to the small-diameter cutting section; the large-diameter end of the chamfering conical section is connected to the chip-removing guiding section; the other end of the chip-removing guiding section is connected to the cutter handle part; and a spiral chip-removing slot is formed from the small-diameter cutting section to the chip-removing guiding section. The spiral milling cutter used for processing compound materials has the advantages that the spiral milling cutter is suitable for processing the compound materials, such as an acrylate sheet, a PC (Polycarbonate) plate, and the like, the demands on the quality and the service life of a processed surface are met, and the processing cost is greatly lowered.
Description
Technical field
The present invention relates to composite machining field, relate in particular to and be used to process the electronic product casing made by composites such as acrylic board, PC plates and the screw-on cutter of button.
Background technology
Composites such as acrylic board at present commonly used, PC plate are made electronic product casing and button, in the processing of this type of composite products, required precision and surface quality to product require very high, for surface quality, integrality and the working (machining) efficiency that guarantees whole electronic product casing, also there is strict requirement in the life-span of cutter, generally requires reach 6～10 hours the service life of cutter.
Existing this class cutter commonly used mostly is cutter with staight grooves, and its chip pocket is common straight trough, and there are following several point defects in it: 1, mostly the smear metal of this type of composite work in-process generation is chip, do not have cutting fluid in the process again, so the chip removal difficulty has become subject matter; 2, add the smear metal in man-hour and be easy to stick on the cutting edge, form built-up edge, continue processing and will make workpiece produce burr; 3, the path of cutter part adopts stepped wedge angle to be connected with big footpath awl, concentrates the path part that fractures because of stepped sharp corner stress easily when machining; 4, cutting edge is that line contacts with workpiece, and particularly when the external diameter of path cutting tip during less than 1mm, cutter is stressed bigger, easier fractureing.In sum, the service life of the existing milling cutter that is used to process this type of composite short, can not satisfy the requirement in processing life-span.
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 composites such as processing acrylic board, PC plate that are applicable to are provided, can satisfy machined surface quality and requirement in service life, the screw-on cutter that is used for machining composite material that cuts down finished cost greatly.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of screw-on cutter that is used for machining composite material, comprise shank portion and cutting tip, described cutting tip comprises path segment of cutting, chamfering awl section and chip removal guide section, the miner diameter end of described chamfering awl section is connected with the path segment of cutting, the bigger diameter end of chamfering awl section is connected with the chip removal guide section, the described chip removal guide section other end is connected with shank portion, and the footpath segment of cutting is provided with a helical form chip area to the chip removal guide section from childhood.
Described path segment of cutting is provided with spiral helicine path cutting edge along the helical form chip area, and described chamfering awl section is provided with circular-arc big footpath chamfering blades along the helical form chip area.
Described path segment of cutting is provided with knife face behind the path of path cutting edge, and the junction of knife face and chamfering awl section is provided with transition arc behind the described path.
The helical angle of described helical form chip area is γ, 0＜γ≤45 °.
Compared with prior art, the invention has the advantages that:
The screw-on cutter that is used for machining composite material of the present invention, the footpath segment of cutting is provided with a helical form chip area to the chip removal guide section from childhood, make more smooth for the chip removal of chip, avoid smear metal to be attached on the cutting edge, if cutting edge and helical form chip pocket are done polishing again, to make that smear metal is more prone to discharge, thereby promote machined surface quality and cutter life significantly, satisfy the processing request of composites such as acrylic board, PC plate.Screw-on cutter of the present invention is provided with circular-arc big footpath chamfering blades, makes cutting edge length lengthening to have reduced the cutting force on the unit length like this, makes the cutter strength-enhanced, cuts brisk; Simultaneously, being provided with spiral helicine path cutting edge, is a contact during cutting, stressed less, avoids occurring in the working angles breaking.The path segment of cutting is provided with knife face behind the path of path cutting edge, the junction of knife face and chamfering awl section is provided with transition arc behind the path, can avoid stress in the working angles to concentrate on the junction of path segment of cutting and chamfering awl section, further increase the intensity of cutter, improve anti-breaking ability.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present invention;
Fig. 2 is the A-A section zoomed-in view of Fig. 1.
Each label is represented among the figure:
1, shank portion; 2, cutting tip; 21, path segment of cutting; 22, chamfering awl section; 23, chip removal guide section; 24, helical form chip area; 25, path cutting edge; 26, big directly chamfering blades; 27, knife face behind the path; 28, transition arc; 29, cutting shear blade.
The specific embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further.
Fig. 1 and Fig. 2 show a kind of screw-on cutter embodiment that is used for machining composite material of the present invention, this screw-on cutter comprises shank portion 1 and cutting tip 2, cutting tip 2 comprises path segment of cutting 21, chamfering awl section 22 and chip removal guide section 23, the miner diameter end of chamfering awl section 22 is connected with path segment of cutting 21, the bigger diameter end of chamfering awl section 22 is connected with chip removal guide section 23, chip removal guide section 23 other ends are connected with shank portion 1, footpath segment of cutting 21 is provided with a helical form chip area 24 to chip removal guide section 23 from childhood, the helical angle of helical form chip area 24 is γ, 0＜γ≤45 °, γ in the present embodiment=25 °.Helical form chip area 24 is more smooth for the chip removal of chip, can avoid smear metal to be attached on the cutting edge, cutting edge and helical form chip area 24 are done polishing again, can reduce coefficient of friction, to make that smear metal is more prone to discharge, avoid to promote machined surface quality and cutter life significantly simultaneously, satisfy the processing request of composites such as acrylic board, PC plate because of stifled bits cause breaking.
In the present embodiment, path segment of cutting 21 is provided with spiral helicine path cutting edge 25 along helical form chip area 24, and path cutting edge 25 and workpiece are to contact during cutting, and be stressed less, avoid occurring in the working angles breaking, also be provided with cutting shear blade 29 in the end of path segment of cutting 21; Chamfering awl section 22 is provided with circular-arc big footpath chamfering blades 26 along helical form chip area 24, make big footpath chamfering blades 26 length extend, reduced the cutting force on the unit length like this, make the cutter strength-enhanced, cut brisk, make cutting ability of the present invention be greatly improved, promoted production efficiency greatly, thereby saved a large amount of production costs.
In the present embodiment, path segment of cutting 21 is provided with knife face 27 behind the path of path cutting edge 25, knife face 27 is provided with transition arc 28 with the junction of chamfering awl section 22 behind the path, can avoid stress in the working angles to concentrate on the junction of path segment of cutting 21 and chamfering awl section 22, further increase the intensity of cutter, improved anti-breaking ability; Knife face 27 is made up of one section less major first flank, the second back knife face and the 3rd back knife face behind the path, the 3rd back knife face is one section bigger, full circular arc camber, this makes transition arc 28 have preferably circumferentially continuity, more helps even dispersive stress in working angles.
Above-mentioned is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any those of ordinary skill in the art under the situation that does not break away from the technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention, all should drop in the scope of technical solution of the present invention protection any simple modification, equivalent variations and modification that above embodiment did according to the technology of the present invention essence.
Claims (4)
1. screw-on cutter that is used for machining composite material, comprise shank portion (1) and cutting tip (2), it is characterized in that: described cutting tip (2) comprises path segment of cutting (21), chamfering awl section (22) and chip removal guide section (23), the miner diameter end of described chamfering awl section (22) is connected with path segment of cutting (21), the bigger diameter end of chamfering awl section (22) is connected with chip removal guide section (23), described chip removal guide section (23) other end is connected with shank portion (1), and footpath segment of cutting (21) is provided with a helical form chip area (24) to chip removal guide section (23) from childhood.
2. the screw-on cutter that is used for machining composite material according to claim 1, it is characterized in that: described path segment of cutting (21) is provided with spiral helicine path cutting edge (25) along helical form chip area (24), and described chamfering awl section (22) is provided with circular-arc big footpath chamfering blades (26) along helical form chip area (24).
3. the screw-on cutter that is used for machining composite material according to claim 2, it is characterized in that: described path segment of cutting (21) is provided with knife face (27) behind the path of path cutting edge (25), and knife face behind the described path (27) is provided with transition arc (28) with the junction of chamfering awl section (22).
4. according to each described screw-on cutter that is used for machining composite material in the claim 1 to 3, it is characterized in that: the helical angle of described helical form chip area (24) is γ, 0＜γ≤45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110213547.6A CN102275002B (en) | 2011-07-28 | 2011-07-28 | Spiral milling cutter used for processing compound materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110213547.6A CN102275002B (en) | 2011-07-28 | 2011-07-28 | Spiral milling cutter used for processing compound materials |
Publications (2)
| Publication Number | Publication Date |
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| CN102275002A true CN102275002A (en) | 2011-12-14 |
| CN102275002B CN102275002B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110213547.6A Active CN102275002B (en) | 2011-07-28 | 2011-07-28 | Spiral milling cutter used for processing compound materials |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112453532A (en) * | 2020-11-17 | 2021-03-09 | 哈尔滨工业大学 | Special composite cutter for carbon fiber composite spiral hole milling and machining method thereof |
| CN113967757A (en) * | 2021-11-12 | 2022-01-25 | 贵州航天精工制造有限公司 | Efficient precise composite milling cutter and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4957397A (en) * | 1989-09-08 | 1990-09-18 | Huff Mark J | Cutting tool |
| CN101745673A (en) * | 2009-12-18 | 2010-06-23 | 东方电气集团东方汽轮机有限公司 | Processing method of turbo machine rotor wheel groove and milling cutter |
-
2011
- 2011-07-28 CN CN201110213547.6A patent/CN102275002B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4957397A (en) * | 1989-09-08 | 1990-09-18 | Huff Mark J | Cutting tool |
| CN101745673A (en) * | 2009-12-18 | 2010-06-23 | 东方电气集团东方汽轮机有限公司 | Processing method of turbo machine rotor wheel groove and milling cutter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112453532A (en) * | 2020-11-17 | 2021-03-09 | 哈尔滨工业大学 | Special composite cutter for carbon fiber composite spiral hole milling and machining method thereof |
| CN112453532B (en) * | 2020-11-17 | 2022-05-31 | 哈尔滨工业大学 | Special composite cutter for carbon fiber composite spiral hole milling and machining method thereof |
| CN113967757A (en) * | 2021-11-12 | 2022-01-25 | 贵州航天精工制造有限公司 | Efficient precise composite milling cutter and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| CN102275002B (en) | 2014-08-13 |
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