CN109079247A - A kind of universal superfinishing reamer - Google Patents
A kind of universal superfinishing reamer Download PDFInfo
- Publication number
- CN109079247A CN109079247A CN201811294682.6A CN201811294682A CN109079247A CN 109079247 A CN109079247 A CN 109079247A CN 201811294682 A CN201811294682 A CN 201811294682A CN 109079247 A CN109079247 A CN 109079247A
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- CN
- China
- Prior art keywords
- cutting blade
- cutting
- blade
- clean
- radius
- 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.)
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- 238000005520 cutting process Methods 0.000 claims abstract description 198
- 238000000034 method Methods 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 238000002161 passivation Methods 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D77/00—Reaming tools
- B23D77/006—Reaming tools with means for lubricating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D2277/00—Reaming tools
- B23D2277/20—Number of cutting edges
- B23D2277/205—Six
Abstract
The invention discloses a kind of universal superfinishing reamers, including knife handle and knife bar, the knife bar is peripherally disposed, and there are six blades, and respectively first cutting blade, second cutting blade and third cutting blade identical positioned at same two radially blade in six blades, the radius of clean-up of first cutting blade less than the second cutting blade radius of clean-up, the second cutting blade radius of clean-up be less than third cutting blade radius of clean-up；For first cutting blade without land, second cutting blade is provided with the first land, and the third cutting blade includes at least two finish cutting sword ends being circumferentially arranged, and each finish cutting sword is provided with the second land on end.There is the present invention biggish cutting output and higher precision, cutter life to be protected.
Description
Technical field
The present invention relates to process tool fields, and in particular to a kind of universal superfinishing reamer.
Background technique
Reamer is that have one or more cutters tooth to cut off the rotary cutter of machined hole surface sheet metal be one
Kind rotation finishing tool, for reaming or repairs hole.
Nowadays the style of reamer is varied, all has unique design according to different needs, to meet practical essence
Machining accuracy, but since metalwork has greater hardness, the excessive precision that will lead to of the cutting output of reamer is inadequate, if precision
Reach, then it is inadequate to easily lead to cutting output, or needs to extend process time, therefore working life of reamer is caused to substantially reduce.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of universal superfinishing reamer, have biggish cutting output and compared with
High precision, cutter life are protected.
In order to solve the above-mentioned technical problems, the present invention provides a kind of universal superfinishing reamer, including knife handle and knife bar, institutes
It is peripherally disposed there are six blade to state knife bar, it is identical and be respectively that same two radially blade is located in six blades
First cutting blade, the second cutting blade and third cutting blade, first cutting blade are used to process the 80-90% of total cutting output, and described second cuts
Sword is used to process the 10-15% of total cutting output, and the third cutting blade is used to process the 3-5% of total cutting output, first cutting blade,
Second cutting blade and third cutting blade are not equal part fluting setting；
The radius of clean-up of first cutting blade less than the second cutting blade radius of clean-up, the radius of clean-up of the second cutting blade be less than
The radius of clean-up of third cutting blade；
Ladder guide portion, institute are provided between first cutting blade, the second cutting blade and third cutting blade and the end of knife bar
Stating guide portion includes correction face and guidance cutting face, and first cutting blade guides cutting face length less than the guidance of the second cutting blade
Cutting face length, the guidance cutting face length for being set forth in the second cutting blade are less than the guidance cutting face length of third cutting blade；
For first cutting blade without land, second cutting blade is provided with the first land, and the third cutting blade includes at least two
A finish cutting sword end being circumferentially arranged, each finish cutting sword are provided with the second land on end；
The inner cooling path of perforation is provided in the knife handle and knife bar, the inner cooling path is all provided between each blade
It is equipped with interior cold hole, the blade tip of the interior cold hole towards blade is arranged, and two neighboring interior cold hole shifts to install；
The arbor surface is additionally provided with coating, and the thickness of the coating is less than 0.004mm.
Further, the knife bar is step structure, is provided with blade on the small end and big end of the knife bar.
Further, for the knife bar with equal Passivation Treatment after setting before coating setting, the process of Passivation Treatment is by knife
Bar, which is inserted into fine sand, to be rotated forward two minutes and inverts two minutes, and velocity of rotation is 40 revs/min.
Further, the knife bar end is provided with shear blade.
Further, the angle between guidance cutting face and the knife bar axial direction of first cutting blade is Y1, and described second cuts
Angle between guidance cutting face and the knife bar axial direction of sword is Y2, between the guidance cutting face and knife bar axial direction of the third cutting blade
Angle be Y3, the Y1≤Y2≤Y3.
Further, the spacing between the radius of clean-up of first cutting blade and the radius of clean-up of the second cutting blade is T1, institute
Stating the spacing between the radius of clean-up of the second cutting blade and the radius of clean-up of third cutting blade is T2, total cutting output T=T1+T2；When adding
When work hole is blind hole and hole tolerance G >=0.02mm, T=T1+T2=0.4G, in which: T1=3T2=0.1G；When processing hole is blind
Hole and when the tolerance G≤0.02mm of hole, T=T1+T2=0.45G, in which: T1=3T2=0.1125G.
Further, the spacing between the radius of clean-up of first cutting blade and the radius of clean-up of the second cutting blade is T1, institute
Stating the spacing between the radius of clean-up of the second cutting blade and the radius of clean-up of third cutting blade is T2, total cutting output T=T1+T2；When adding
When work hole is through-hole and hole tolerance G >=0.02mm, T=T1+T=1.5G, in which: T1=3T2=0.375G；As processing Kong Weitong
Hole and when the tolerance G≤0.02mm of hole, T=T1+T2=2G, in which: T1=3T2=0.5G.
Beneficial effects of the present invention:
The blade of three kinds of different shapes can effectively play the purpose of the progressive cutting of level, when cutting is effectively ensured, sword
Portion is cut within the scope of corresponding cutting, guarantees the quality of blade；It is designed by not equal part, cutter can be prevented processed
Vibration knife, the surface quality of lifting workpieces processing are generated in journey；Different blade cooperation cuttings can be improved service life and the stabilization of cutter
Property, promote tool sharpening quality, and the maximum cost performance of prominent cutter.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is edging structure schematic diagram of the invention；
Fig. 3 is Cutting trajectory schematic diagram of the invention；
Fig. 4 is blade distribution schematic diagram of the invention；
Fig. 5 is the first cutting blade schematic diagram of the invention；
Fig. 6 is the second cutting blade schematic diagram of the invention；
Fig. 7 is third cutting blade schematic diagram of the invention；
Fig. 8 is the schematic diagram with shear blade of the invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Referring to figs. 1 to shown in Fig. 3, an embodiment of universal superfinishing reamer of the invention, including knife handle 1 and knife bar 2, knife
Bar is peripherally disposed, and there are six blades 3, and six blades are respectively three kinds of structures: the first cutting blade 4, the second cutting blade 5 and third
Cutting blade 6；The arrangement of blade without limitation, can for sequence setting the first cutting blade, the second cutting blade, third cutting blade, the first cutting blade,
Second cutting blade and third cutting blade, it is therefore intended that guarantee identical positioned at same two radially blade.
The radius of clean-up of first cutting blade less than the second cutting blade radius of clean-up, the second cutting blade radius of clean-up be less than third
The radius of clean-up of cutting blade plays the purpose of the progressive cutting of level；
It is provided with ladder guide portion between above-mentioned the first cutting blade, the second cutting blade and third cutting blade and the end of knife bar,
Guide portion includes correction face 7 and guidance cutting face 8, and correction face can guarantee concentricity when cutting, correction face and knife bar end face
Between angle be set as 0-45 degree, guidance cutting face guarantees straightness when cutting.
And the guidance cutting face length of the first above-mentioned cutting blade is less than the guidance cutting face length of the second cutting blade, in second
The guidance cutting face length of cutting blade is less than the guidance cutting face length of third cutting blade；To which when in use, the first cutting blade takes the lead in connecing
Contact hole road inner wall is finally just effectively ensured and is cut by third cutting blade contacts duct inner wall then by the second cutting blade contacts duct inner wall
When cutting, blade is cut within the scope of corresponding cutting, guarantees the quality of blade.
Angle between guidance cutting face and the knife bar axial direction of first cutting blade is Y1, the guidance cutting face of the second cutting blade and knife
Angle between bar axial direction is Y2, and the angle between guidance cutting face and the knife bar axial direction of third cutting blade is Y3, Y1≤Y2≤Y3,
By the restriction of angle, stability when finishing is greatly improved.
Referring to shown in Fig. 4, the first cutting blade, the second cutting blade and third cutting blade are not equal part fluting setting；First cutting blade, second
The sum of cutting blade and third cutting blade six are 360 degree, one of them is 360/N (N is cutting blade number), i.e. 60 degree, more than two points
It Wei not 60- θ and 60+ θ (θ is 5-10 degree)；It is designed by not equal part, cutter can be prevented and generate vibration knife in process,
The surface quality of lifting workpieces processing.
Referring to Figure 5, the first cutting blade is used to process the 80-90% of total cutting output without land, the first cutting blade, preferably
85% or more cutting output can greatly improve cutting power by the design of no land, also be able to ascend semi-finished
Precision；
Referring to shown in Fig. 6, the second cutting blade is provided with the first land, and the second cutting blade is used to process the 10-15% of total cutting output,
Second cutting blade mainly can provide effective guarantee for the quality of finishing, remaining cutting output is down on less thickness,
First land can improve stability when cutting；
Referring to shown in Fig. 7, third cutting blade includes at least two finish cutting sword ends 10 being circumferentially arranged, each finish cutting sword
The second land is provided on end；Third cutting blade is used to process the 3-5% of total cutting output, preferably 5% cutting output, raising cuts
Precision is cut, which is finishing, is a kind of multiple-cutting-edge band design, can be improved service life and the stability of cutter, promote tool sharpening
Quality, and the maximum cost performance of prominent cutter.
Above-mentioned the first cutting blade, the second cutting blade and third cutting blade all has radial angle, can reduce cutting resistance.
The inner cooling path 12 of perforation is provided in above-mentioned knife handle and knife bar, inner cooling path is equal between each blade
It is provided with interior cold hole 13, the blade tip of interior cold hole towards blade is arranged, and two neighboring interior cold hole shifts to install；Which can make
Used time has comprehensive cooling effect to whole cutter, effectively cooling there is no cooling missed areas, can extend cutter use
Service life promotes stable machining accuracy.
Arbor surface is additionally provided with coating, and the thickness of coating is less than 0.004mm, effectively improves service life, and not shadow
Ring machining accuracy.
The process of above-mentioned knife bar equal Passivation Treatment before coating setting and after setting, Passivation Treatment is thin for knife bar to be inserted into
It rotates forward two minutes and inverts two minutes in sand, velocity of rotation is 40 revs/min.Solve the microcosmic notch of cutting edge roundness after sharpening
Defect reduces or eliminates its cutting edge of a knife or a sword value, reaches round and smooth smooth, not only sharp firm but also durable purpose, was also effectively ensured coating
Fastness and service life.
In one embodiment, knife bar is step structure, is provided with blade on the small end and big end of knife bar, can be to step
Hole is processed.
Referring to shown in Fig. 8, knife bar end is provided with shear blade 14, can process to blind hole, improves the processing scope of application.
In one embodiment, when in use, the cutting of the radius of clean-up of the first cutting blade and the second cutting blade is partly for above-mentioned cutter
Spacing between diameter is T1, and the spacing between the radius of clean-up of the second cutting blade and the radius of clean-up of third cutting blade is T2, total to cut
Measure T=T1+T2；When processing hole is blind hole and hole tolerance G >=0.02mm, T=T1+T2=0.4G, in which: T1=3T2=
0.1G；When processing hole is blind hole and hole tolerance G≤0.02mm, T=T1+T2=0.45G, in which: T1=3T2=0.1125G.
When processing hole is through-hole and hole tolerance G >=0.02mm, T=T1+T=1.5G, in which: T1=3T2=0.375G；
When processing hole is through-hole and hole tolerance G≤0.02mm, T=T1+T2=2G, in which: T1=3T2=0.5G.
By the restriction of size, so that the cutting effect that cutter can be optimal when in use, cuts total amount reducing
While, it ensure that cutting-tool's used life and cutting precision, greatly improve stability in use and use cost performance.
Specifically are as follows: guarantee that the surplus of workpiece can be good at being assigned to each cutting edge, give full play to each sword of cutter
Effectively cutting advantage, occasion very demanding for tolerance is very effective, avoids conventional reamer processing ultraprecise aperture
Unstability, the processing of conventional reamer can generally guarantee the tolerance range range of hole precision in 0.02mm or more, as tolerance range is small
It is then basic in 0.02mm it is difficult to ensure that be processed the consistency and stability in hole, above the asking of this superfinishing reamer very good solution
Topic.
Above embodiments are only to absolutely prove preferred embodiment that is of the invention and being lifted, and protection scope of the present invention is not
It is limited to this.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in guarantor of the invention
Within the scope of shield.Protection scope of the present invention is subject to claims.
Claims (7)
1. a kind of universal superfinishing reamer, including knife handle and knife bar, which is characterized in that the knife bar is peripherally disposed six
A blade, is located at that same two radially blade is identical and respectively the first cutting blade, the second cutting blade and third in six blades
Cutting blade, first cutting blade are used to process the 80-90% of total cutting output, and second cutting blade is used to process the 10- of total cutting output
15%, the third cutting blade is used to process the 3-5% of total cutting output, and first cutting blade, the second cutting blade and third cutting blade are not
Equal part fluting setting；
The radius of clean-up of first cutting blade less than the second cutting blade radius of clean-up, the second cutting blade radius of clean-up be less than third
The radius of clean-up of cutting blade；
Ladder guide portion is provided between first cutting blade, the second cutting blade and third cutting blade and the end of knife bar, it is described to draw
The portion of leading includes correction face and guidance cutting face, and guidance of the guidance cutting face length less than the second cutting blade of first cutting blade is cut
Face length, the guidance cutting face length for being set forth in the second cutting blade are less than the guidance cutting face length of third cutting blade；
For first cutting blade without land, second cutting blade is provided with the first land, and the third cutting blade includes at least two edges
The finish cutting sword end of circumference setting, each finish cutting sword are provided with the second land on end；
The inner cooling path of perforation is provided in the knife handle and knife bar, the inner cooling path is provided between each blade
The blade tip in interior cold hole, the interior cold hole towards blade is arranged, and two neighboring interior cold hole shifts to install；
The arbor surface is additionally provided with coating, and the thickness of the coating is less than 0.004mm.
2. universal superfinishing reamer as described in claim 1, which is characterized in that the knife bar is step structure, the knife bar
Small end and big end on be provided with blade.
3. universal superfinishing reamer as described in claim 1, which is characterized in that the knife bar is before coating setting and after setting
Equal Passivation Treatment, the process of Passivation Treatment are that knife bar is inserted into fine sand to rotate forward two minutes and invert two minutes, velocity of rotation
It is 40 revs/min.
4. universal superfinishing reamer as described in claim 1, which is characterized in that the knife bar end is provided with shear blade.
5. universal superfinishing reamer as described in claim 1, which is characterized in that the guidance cutting face of first cutting blade and knife
Angle between bar axial direction is Y1, and the angle between guidance cutting face and the knife bar axial direction of second cutting blade is Y2, described
Angle between guidance cutting face and the knife bar axial direction of three cutting blades is Y3, the Y1≤Y2≤Y3.
6. universal superfinishing reamer as described in claim 1, which is characterized in that the radius of clean-up and second of first cutting blade
Spacing between the radius of clean-up of cutting blade is T1, between the radius of clean-up of second cutting blade and the radius of clean-up of third cutting blade
Spacing is T2, total cutting output T=T1+T2；When processing hole is blind hole and hole tolerance G >=0.02mm, T=T1+T2=0.4G,
In: T1=3T2=0.1G；When processing hole is blind hole and hole tolerance G≤0.02mm, T=T1+T2=0.45G, in which: T1=
3T2=0.1125G.
7. universal superfinishing reamer as described in claim 1, which is characterized in that the radius of clean-up and second of first cutting blade
Spacing between the radius of clean-up of cutting blade is T1, between the radius of clean-up of second cutting blade and the radius of clean-up of third cutting blade
Spacing is T2, total cutting output T=T1+T2；When processing hole is through-hole and hole tolerance G >=0.02mm, T=T1+T=1.5G,
In: T1=3T2=0.375G；When processing hole is through-hole and hole tolerance G≤0.02mm, T=T1+T2=2G, in which: T1=
3T2=0.5G.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294682.6A CN109079247A (en) | 2018-11-01 | 2018-11-01 | A kind of universal superfinishing reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294682.6A CN109079247A (en) | 2018-11-01 | 2018-11-01 | A kind of universal superfinishing reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109079247A true CN109079247A (en) | 2018-12-25 |
Family
ID=64844657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811294682.6A Pending CN109079247A (en) | 2018-11-01 | 2018-11-01 | A kind of universal superfinishing reamer |
Country Status (1)
| Country | Link |
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