CN2582798Y - Drum cone shaped side milling centrifugal impeller tool for random curved surface - Google Patents
Drum cone shaped side milling centrifugal impeller tool for random curved surface Download PDFInfo
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- CN2582798Y CN2582798Y CN 02259020 CN02259020U CN2582798Y CN 2582798 Y CN2582798 Y CN 2582798Y CN 02259020 CN02259020 CN 02259020 CN 02259020 U CN02259020 U CN 02259020U CN 2582798 Y CN2582798 Y CN 2582798Y
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- side milling
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Abstract
The utility model provides a high-effective centrifugal impeller side milling tool for random curved surface, particularly a drum cone shaped side milling centrifugal impeller tool for random curved surface. The cutting part of the tool is a rotative surface, a generatrix is a circular arc, and the radius of the circular arc is R. The rotative surface and a shank are in tangency, and the bottom part of the tool has no cutting edge. Compared with a spherical tool under the same machining condition, the tool of the utility model has the advantages of high work efficiency, short tool path and short machining time. When random curved surface impeller is machined finely by the tool, the interference of the tool and a blade can be easily corrected in the process of machining, and the machining efficiency is three times of conventional method. The utility model has much flexibility of rotation compared with a cone tool. The utility model can conveniently avoids over-cutting and collision which is possibly occur in the process of machining. The utility model is an ideal centrifugal ternary impeller tool for random curved surface.
Description
One, affiliated technical field
The utility model relates to the complex-curved Computerized Numerical Control processing technology such as arbitrary surface centrifugal impeller in machining and Computerized Numerical Control processing technology field, relates to a kind of process tool, particularly a kind of bulging conical side milling cutter tool.
Two, background technology
(1) present, in centrifugal impeller fine finishining, adopt spherical cutter, effective radius of clean-up of spherical cutter is little, and working (machining) efficiency is low.
(2) C.Y.Wu. (Arbitrary surface flank milling of fan, compressor, and impeller blades.Transactions of the ASME, Journal of Engineeringfor Gas Turbines and Power, Vol.117,1995:p534～539) proposed to utilize the method for tapered knife side milling arbitrary surface impeller blade, its cutting edge is a taper seat, referring to Fig. 1.He has broken through the processing arbitrary surface and must adopt spherical cutter or slotting cutter to carry out this mode of thinking of contact processing, and the processing mode of line contact efficiently is applied in the processing of arbitrary surface, and this method working (machining) efficiency is far longer than spherical cutter.
(3) Liu Xiongwei, Zhang Dinghua etc. (digital control processing theory and programming technique. Beijing: China Machine Press, 1994) introduced the thinking of utilizing drum knife side milling curved surface, referring to Fig. 2, adopt this method, the contact length of cutter and finished surface is bigger.Just utilize drum knife to introduce the basic principle of side milling in the document, do not relate to the calculating of drum knife curved sides milling cutter position.
Adopt tapered knife processing arbitrary surface to have following defective: 1) this method requires relatively harshness to the direction of cutter in processing blade shape and the processing, and leaf curling can not be too big, otherwise can not find suitable cutter Working position.For given position on the processing curve, the feasible direction territory of cutter is very little, and rotation leeway is little; 2) if cutter and blade bump, because the feasible direction territory of cutter is little, the cutter slewing area is little, interferes cutter spacing to be difficult to revise.Therefore, mill in the system process in arbitrary surface 3 d impeller integral body, this method may be failed.Because impeller channel is a slype, adopt the drum type cutter, the ratio of rigidity of cutter is less, influences machining accuracy.
Three, summary of the invention
Defective or deficiency at above-mentioned prior art existence, a purpose of the present utility model provides a kind of bulging taper side milling arbitrary surface centrifugal impeller cutter, the characteristics of this drum taper side milling arbitrary surface centrifugal impeller cutter are, Tool in Cutting partly is the surface of revolution, bus is one section circular arc that radius is R, and the surface of revolution and handle of a knife are tangent, the no cutting edge in cutter bottom, principle not take place to be cut to curved surface in the value of R in this cutter, and promptly the radius of curvature of curved surface contact point should be greater than the R value.Bulging taper side milling arbitrary surface centrifugal impeller cutter of the present invention is a kind of cutting tool efficiently, kept drum knife and tapered knife working (machining) efficiency with respect to spherical knife up, overcome the little weakness of drum knife rigidity simultaneously, than tapered knife greater flexibility is arranged again, can avoid easily cutting and colliding, be the whole process tool of a kind of desirable arbitrary surface 3 d impeller.
Four, description of drawings
Fig. 1 is conical knife structure figure;
Fig. 2 is the drum knife structure chart;
Fig. 3 is the structure chart of bulging taper side milling arbitrary surface centrifugal impeller cutter of the present utility model;
Fig. 4 is the cutter path that adopts the utility model drum taper side milling arbitrary surface centrifugal impeller cutter to form:
Fig. 5 is the cutter path that adopts spherical cutter to form.
Five, the specific embodiment
Below in conjunction with accompanying drawing and inventor's specific embodiment the utility model is described in further detail.
Referring to Fig. 3, the utility model proposes a kind of utilize highly-efficient processing complex-curved cutting tool, claim this cutter to be drum taper side milling arbitrary surface centrifugal impeller cutter, Tool in Cutting partly is the surface of revolution, bus is one section circular arc that radius is R, the surface of revolution and handle of a knife are tangent, the no cutting edge in cutter bottom.Drum-taper type cutter has kept drum knife and the tapered knife working (machining) efficiency with respect to spherical knife up, overcome the little weakness of drum knife rigidity simultaneously, than tapered knife greater flexibility being arranged again, can avoid easily cutting and colliding, is the whole process tool of a kind of desirable arbitrary surface 3 d impeller.The choosing with curved surface principle not to take place to be cut to of R in this cutter, promptly the radius of curvature of curved surface contact point should be greater than the R value.
Embodiment:
Utilize spherical cutter and drum taper side milling arbitrary surface centrifugal impeller cutter respectively, the cutter path in the processing of centrifugal impeller blade five coordinates is generated discuss.Blade is an arbitrary surface, represents with the cubic B batten.Used spherical cutter diameter is d
c=32mm, the knife bar diameter d of drum taper side milling arbitrary surface centrifugal impeller cutter
c=32mm, R=70mm, h=25mm is referring to Fig. 3.Allowing residual height is 0.1mm, respectively to the cutter path in above-mentioned two kinds of cutters calculating blade processing.
Result of calculation adopts drum taper side milling arbitrary surface centrifugal impeller cutter as shown in Figure 4 and Figure 5, and the track number of processing this blade is 16, and the track total length is 6631mm; And adopt spherical cutter track number to reach 39 more than, and the track total length is 16453mm, the ratio of the two is 1: 2.5.Under same cutting speed, the working (machining) efficiency that adopts drum taper side milling arbitrary surface centrifugal impeller cutter is 2.5 times of spherical cutter.
Adopt bulging taper side milling arbitrary surface centrifugal impeller cutter processing blade of the present utility model, the result shows, its cutter path number is far smaller than the track number when adopting spherical cutter, the ratio of the two is generally about 1: 3, under same processing conditions, cutter path length is short, and required process time is few, promptly adopt the smart arbitrary surface processing of this cutter impeller, working (machining) efficiency will be 3 times of conventional method.Simultaneously, it has greater flexibility than tapered knife, is easy to revise the interference of cutter and blade in the processing; And rigidity is higher than drum knife.
Claims (2)
1. a bulging taper side milling arbitrary surface centrifugal impeller cutter comprises handle of a knife and cutting tip, it is characterized in that Tool in Cutting partly is the surface of revolution, and bus is one section circular arc that radius is R, and the surface of revolution and handle of a knife are tangent, the no cutting edge in cutter bottom.
2. bulging taper side milling arbitrary surface centrifugal impeller cutter as claimed in claim 1 is characterized in that the R span in the described cutter is that the radius of curvature of curved surface contact point should be greater than the R value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259020 CN2582798Y (en) | 2002-12-05 | 2002-12-05 | Drum cone shaped side milling centrifugal impeller tool for random curved surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259020 CN2582798Y (en) | 2002-12-05 | 2002-12-05 | Drum cone shaped side milling centrifugal impeller tool for random curved surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2582798Y true CN2582798Y (en) | 2003-10-29 |
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ID=33726596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02259020 Expired - Fee Related CN2582798Y (en) | 2002-12-05 | 2002-12-05 | Drum cone shaped side milling centrifugal impeller tool for random curved surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2582798Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974878A (en) * | 2011-09-07 | 2013-03-20 | 于君琴 | Cutting tool for processing aluminum workpiece |
| CN105965077A (en) * | 2016-06-29 | 2016-09-28 | 北京动力机械研究所 | Tangential conical drum milling cutter |
| CN107243668A (en) * | 2017-07-26 | 2017-10-13 | 成都爱乐达航空制造股份有限公司 | The method of cydariform alloy milling cutter and processing with different incline direction type faces |
| CN108176887A (en) * | 2018-01-12 | 2018-06-19 | 大连理工大学 | Drum tapered ball end milling cutter method for customizing |
-
2002
- 2002-12-05 CN CN 02259020 patent/CN2582798Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974878A (en) * | 2011-09-07 | 2013-03-20 | 于君琴 | Cutting tool for processing aluminum workpiece |
| CN105965077A (en) * | 2016-06-29 | 2016-09-28 | 北京动力机械研究所 | Tangential conical drum milling cutter |
| CN107243668A (en) * | 2017-07-26 | 2017-10-13 | 成都爱乐达航空制造股份有限公司 | The method of cydariform alloy milling cutter and processing with different incline direction type faces |
| CN108176887A (en) * | 2018-01-12 | 2018-06-19 | 大连理工大学 | Drum tapered ball end milling cutter method for customizing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |