CN202779979U - Anti-vibration milling cutter for processing high-strength materials - Google Patents
Anti-vibration milling cutter for processing high-strength materials Download PDFInfo
- Publication number
- CN202779979U CN202779979U CN201220467850.9U CN201220467850U CN202779979U CN 202779979 U CN202779979 U CN 202779979U CN 201220467850 U CN201220467850 U CN 201220467850U CN 202779979 U CN202779979 U CN 202779979U
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- cutter
- handle
- outer diameter
- changeover portion
- milling cutter
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Abstract
The utility model belongs to tool manufacturing technology, relates to improvement on a whole milling cutter with a handle, and in particular relates to an anti-vibration milling cutter for processing high-strength materials. The anti-vibration milling cutter for processing high-strength materials comprises a cutter bit (1) and a cutter handle, wherein the cutter bit (1) is provided with a straight cutting edge (2), the cutter handle is coaxially connected with the cutter bit (1) as a whole, the outer diameter D1 of the cutter bit (1) is greater than the outer diameter D2 of the front end of the cutter handle; the anti-vibration milling cutter for processing high-strength materials is characterized in that the cutter handle consists of a transition section (4) and a clamping section (5), the transition section (4) is of a cone shape with the outer diameter of the front end being smaller than that of the rear end, and the clamping section (5) is cylindrical. According to the anti-vibration milling cutter for processing high-strength materials, the rigidity of the cutter handle is enhanced, the cutter vibration and cutter relieving phenomena can be prevented or greatly reduced when parts made from high-temperature alloy, powder metallurgy or titanium alloy materials are cut, and the roughness and size accuracy of the parts can be guaranteed.
Description
Technical field
The utility model belongs to the cutter manufacturing technology, relates to the improvement to whole shank type fraise.
Background technology
The structure of the whole shank type fraise of standard is referring to Fig. 1, and it is by forming with the cutter head 1 of straight cutting edge 2 with the cutter head 1 coaxial handle of a knife that is connected to integral body.In order to process needs, the outer diameter D 1 of cutter head 1 is greater than the outer diameter D 2 of handle of a knife, has at cutter head 1 to be no less than 4 straight cutting edges 2.When using the part of above-mentioned whole shank type fraise processing high temperature alloy, powder metallurgy or titanium alloy material, " cutter shakes " and/or " cutter relieving " phenomenon appear easily, be difficult to guarantee roughness and the dimensional accuracy of part, cause part overproof even scrap.The generation reason of " cutter shakes " phenomenon is: along with tool wear is increasing, cutting force is also increasing in process for cutter, and the shearing force that part and cutter relative motion produce is also in continuous increasing, so that make cutter produce distortion.Along with the spring of smear metal is disconnected, reduced the shearing force on the tool surface, at this moment cutter can produce resilience, and the process segment returns to the normal process stage.At this moment the processing on the part repeats normal wearing stage and strain stage.Under dual mode, ceaselessly replace variation, will occur periodic " cutter shakes " on the piece surface, cause piece surface generation ripple or gnaw the cutter phenomenon, cause the surface quality of part defective.The generation reason of " cutter relieving " phenomenon is: because the cutting force that cutter is subject to processing in process can produce certain moment of flexure, make cutter produce certain distortion, cutter has certain " getting out of the way phenomenon " i.e. " cutter relieving " to the relative position of part.The size of " cutter relieving " can cause the contour machining surplus that do not exist together of part to remove not of uniform size causing.The processing dimension of part and form and position tolerance may be defective.The amplitude of " cutter shakes " and " cutter relieving " is relevant with the rigidity of milling cutter.The whole shank type fraise of standard is in order to cut needs, the outer diameter D 1 of cutter head 1 need to be greater than the outer diameter D 3 of handle of a knife, cutting edge 2 on the cutter head 1 has 4 at least, this just makes the rigidity of handle of a knife relatively poor, and cutting force is by larger, when the part of cutting high temperature alloy, powder metallurgy or titanium alloy material, be easy to occur " cutter shakes " and/or " cutter relieving " phenomenon.
Summary of the invention
The purpose of this utility model is: propose a kind of rigidity that can improve handle of a knife, prevent the vibrationproof milling cutter of " cutter shakes " and " cutter relieving " phenomenon, to guarantee roughness and the dimensional accuracy of part.
The technical solution of the utility model is: a kind of vibrationproof milling cutter of processing high-strength material comprises with the cutter head 1 of straight cutting edge 2 with cutter head 1 is coaxial being connected to whole handle of a knife that the outer diameter D 1 of cutter head 1 is greater than the outer diameter D 2 of handle of a knife front end; It is characterized in that, handle of a knife is comprised of changeover portion 4 and gripping section 5, changeover portion 4 is that front end external diameter is less than the taper shape of rear end, gripping section 5 is cylindrical, the front end of changeover portion 4 and the coaxial integral body that is connected in the rear end of cutter head 1, the rear end of changeover portion 4 and the identical and coaxial integral body that is connected to of the front end external diameter of gripping section 5, the outer diameter D 3 of gripping section 5 are 1.5 times～3 times of outer diameter D 2 of changeover portion 4 front ends, and the cone angle of changeover portion 4 is 10 °～30 °; The outer diameter D 2 of changeover portion 4 front ends equals the external diameter of the handle of a knife 3 of the whole shank type fraise of standard.
The utility model has the advantages that: improved the rigidity of handle of a knife, when the part of cutting high temperature alloy, powder metallurgy or titanium alloy material, can prevent or greatly alleviate appearance " cutter shakes " and " cutter relieving " phenomenon, guaranteed roughness and the dimensional accuracy of part.
Description of drawings
Fig. 1 is a kind of structural representation of whole shank type fraise of standard.
Fig. 2 is structural representation of the present utility model.
The specific embodiment
The below is described in further details the utility model.A kind of vibrationproof milling cutter of processing high-strength material comprises with the cutter head 1 of straight cutting edge 2 with cutter head 1 is coaxial being connected to whole handle of a knife that the outer diameter D 1 of cutter head 1 is greater than the outer diameter D 2 of handle of a knife front end; It is characterized in that, handle of a knife is comprised of changeover portion 4 and gripping section 5, changeover portion 4 is that front end external diameter is less than the taper shape of rear end, gripping section 5 is cylindrical, the front end of changeover portion 4 and the coaxial integral body that is connected in the rear end of cutter head 1, the rear end of changeover portion 4 and the identical and coaxial integral body that is connected to of the front end external diameter of gripping section 5, the outer diameter D 3 of gripping section 5 are 1.5 times～3 times of outer diameter D 2 of changeover portion 4 front ends, and the cone angle of changeover portion 4 is 10 °～30 °; The outer diameter D 2 of changeover portion 4 front ends equals the external diameter of the handle of a knife 3 of the whole shank type fraise of standard.
In order to reduce cutting force, on the said cutter head 1 with two straight cutting edges 2 that are uniformly distributed along the circumference.
Following table provides the parameter of 3 embodiment of the utility model.
| D1(mm) | D2(mm) | D3(mm) | Cone angle (°) | The cutting edge number | |
| Example 1 | 3 | 2 | 6 | 30° | 2 |
| Example 2 | 10 | 7 | 16 | 15° | 3 |
| Example 3 | 24 | 20 | 26 | 10° | 4 |
Claims (2)
1. vibrationproof milling cutter of processing high-strength material comprises with the cutter head (1) of straight cutting edge (2) with cutter head (1) is coaxial being connected to whole handle of a knife that the outer diameter D 1 of cutter head (1) is greater than the outer diameter D 2 of handle of a knife front end; It is characterized in that, handle of a knife is comprised of changeover portion (4) and gripping section (5), changeover portion (4) is that front end external diameter is less than the taper shape of rear end, gripping section (5) is cylindrical, the front end of changeover portion (4) and the coaxial integral body that is connected in the rear end of cutter head (1), the rear end of changeover portion (4) and the identical and coaxial integral body that is connected to of the front end external diameter of gripping section (5), the outer diameter D 3 of gripping section (5) is 1.5 times～3 times of outer diameter D 2 of changeover portion (4) front end, and the cone angle of changeover portion (4) is 10 °～30 °; The outer diameter D 2 of changeover portion (4) front end equals the external diameter of the handle of a knife (3) of the whole shank type fraise of standard.
2. vibrationproof milling cutter according to claim 1 is characterized in that, said cutter head (1) is upper with two straight cutting edges (2) that are uniformly distributed along the circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220467850.9U CN202779979U (en) | 2012-09-14 | 2012-09-14 | Anti-vibration milling cutter for processing high-strength materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220467850.9U CN202779979U (en) | 2012-09-14 | 2012-09-14 | Anti-vibration milling cutter for processing high-strength materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202779979U true CN202779979U (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220467850.9U Expired - Lifetime CN202779979U (en) | 2012-09-14 | 2012-09-14 | Anti-vibration milling cutter for processing high-strength materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202779979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567523A (en) * | 2013-11-25 | 2014-02-12 | 江苏诚超铝业有限公司 | Alloy flat-end type end mill |
| CN103624307A (en) * | 2013-12-04 | 2014-03-12 | 江苏宏博机械制造有限公司 | Flat-end milling cutter |
-
2012
- 2012-09-14 CN CN201220467850.9U patent/CN202779979U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567523A (en) * | 2013-11-25 | 2014-02-12 | 江苏诚超铝业有限公司 | Alloy flat-end type end mill |
| CN103624307A (en) * | 2013-12-04 | 2014-03-12 | 江苏宏博机械制造有限公司 | Flat-end milling cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |