CN116871576A - Detachable hierarchical bionic gear shaping cutter for processing small-size internal spline - Google Patents
Detachable hierarchical bionic gear shaping cutter for processing small-size internal spline Download PDFInfo
- Publication number
- CN116871576A CN116871576A CN202310931732.1A CN202310931732A CN116871576A CN 116871576 A CN116871576 A CN 116871576A CN 202310931732 A CN202310931732 A CN 202310931732A CN 116871576 A CN116871576 A CN 116871576A
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- Prior art keywords
- bionic
- cutter
- gear shaping
- hierarchical
- blades
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- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 101
- 238000010862 gear shaping Methods 0.000 title claims abstract description 45
- 238000003754 machining Methods 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- GJNGXPDXRVXSEH-UHFFFAOYSA-N 4-chlorobenzonitrile Chemical compound ClC1=CC=C(C#N)C=C1 GJNGXPDXRVXSEH-UHFFFAOYSA-N 0.000 claims description 4
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 description 9
- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000237509 Patinopecten sp. Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 235000020637 scallop Nutrition 0.000 description 1
- 238000009966 trimming Methods 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
- B23D13/00—Tools or tool holders specially designed for planing or slotting machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
The invention discloses a detachable hierarchical bionic gear shaping cutter for machining small-size internal splines, and relates to the technical field of machining cutters. The invention aims to solve the problems that when the existing small-size internal spline is processed, the cutter needs to be integrally replaced after the cutter blade of the gear shaper cutter is damaged, and the processing efficiency is affected by multiple times of cutter replacement. The invention comprises a cutter bar, a fixed sleeve and a plurality of grading bionic blades, wherein the middle part of the cutter bar is sleeved and fixedly connected with a positioning sleeve, the grading bionic blades are sequentially sleeved on the outer circumferential side wall of the cutter bar and are arranged at the front end of the positioning sleeve, the fixed sleeve is sleeved and fixedly connected with the end part of the front end of the cutter bar, the grading bionic blades are fixedly connected with the fixed sleeve and the positioning sleeve in an inserting way, and the grading bionic blades sequentially comprise a rough machining bionic blade group, a semi-finishing bionic blade group, a finishing bionic blade group and a repairing bionic blade group from front to back. The invention is used for processing the internal spline.
Description
Technical Field
The invention relates to the technical field of machining tools, in particular to a detachable hierarchical bionic gear shaping cutter for machining small-size internal splines.
Background
The key groove of the existing small-size internal spline is processed by adopting a slotting processing mode usually when the molded line is processed, however, when the existing slotting cutter is utilized for slotting processing, the slotting cutter is higher in cutting force and cutting temperature, so that the cutter blade of the slotting cutter is seriously worn, the whole slotting cutter is required to be frequently replaced for ensuring the processing precision, and meanwhile, the key groove is required to be processed through a plurality of processes such as rough processing, semi-finishing, finishing and the like when being processed, so that the final processing can be completed by correspondingly replacing different slotting cutter modes, a large number of times of working hours are consumed by replacing the cutter for a plurality of times, and the processing efficiency is influenced.
Disclosure of Invention
The invention aims to solve the problems that when an existing small-size internal spline is machined, a cutter needs to be integrally replaced after a cutter blade of a gear shaper cutter is damaged, and machining efficiency is affected by repeated cutter replacement, and further provides a detachable hierarchical bionic gear shaper cutter for machining the small-size internal spline.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a detachable hierarchical bionical gear shaping sword of processing small-size internal spline includes cutter arbor, fixed sleeve and a plurality of hierarchical bionical blade, the middle part suit rigid coupling of cutter arbor is equipped with the locating sleeve, a plurality of hierarchical bionical blade suit is on the outer circumference lateral wall of cutter arbor in proper order, and set up at the front end of locating sleeve, fixed sleeve suit rigid coupling is at the tip of cutter arbor front end, cartridge rigid coupling between a plurality of hierarchical bionical blade and fixed sleeve and the locating sleeve, a plurality of hierarchical bionical blade from front to back includes the bionical blade group of rough machining in proper order, semi-finishing bionical blade group, finishing bionical blade group and repair bionical blade group.
Further, the middle part of the hierarchical bionical blade is equipped with the adapter sleeve, and adapter sleeve suit is on the cutter arbor, and the cover rigid coupling is equipped with the gear shaping blade disc on the lateral wall of adapter sleeve, and the gear shaping blade disc includes a plurality of gear shaping that set up along circumferencial direction equipartition.
Further, be equipped with spacing boss on connecting sleeve's the rear end face, be equipped with spacing recess on connecting sleeve's the preceding terminal surface, in every adjacent two hierarchical bionical blade, the spacing boss of the bionical blade of preceding hierarchical is all cartridge in the spacing recess of the bionical blade of the next hierarchical, is equipped with positioning groove on positioning sleeve's the preceding terminal surface, and the spacing boss cartridge of the bionical blade of the final end is in positioning groove, is equipped with fixed boss on fixed sleeve's the rear end face, and fixed boss cartridge is in the spacing recess of the bionical blade of the hierarchical in foremost.
Further, the shapes of the limiting boss, the limiting groove, the positioning groove and the fixing boss are semicircular.
Further, the front cutter surface of the gear shaping is a concave curved surface, and the outer side end of the front cutter surface of the gear shaping extends forwards.
Further, the rounded radius R of the gear shaping is 0.02mm, the front first arc radius R1 is 2mm, the front first chord length L1 is 0.3mm, the front first straight line length L2 is 0.1mm, the front second arc R2 is 3.5mm, and the front second chord length L3 is 1mm.
Further, the rough machining bionic blade group comprises a plurality of rough machining bionic blades which are sequentially arranged from front to back, the semi-finishing bionic blade group comprises a plurality of semi-finishing bionic blades which are sequentially arranged from front to back, the finishing bionic blade group comprises a plurality of finishing bionic blades which are sequentially arranged from front to back, and the finishing bionic blade group comprises a plurality of finishing bionic blades which are sequentially arranged from front to back.
Further, the tooth heights and the tooth thicknesses of the rough machining bionic blades are respectively increased by 0.1mm from front to back one by one, the tooth heights and the tooth thicknesses of the semi-finishing bionic blades are respectively increased by 0.05mm from front to back one by one, the tooth heights and the tooth thicknesses of the finish machining bionic blades are respectively increased by 0.005mm from front to back one by one, and the sizes of the repairing bionic blades are the same as those of the internal spline to be machined.
Further, the gear shaping cutter head is fixedly connected with the connecting sleeve in a welding way, the positioning sleeve is fixedly connected with the cutter bar in a welding way, and the fixing sleeve is connected with the cutter bar through a hexagonal screw.
Further, the gear shaping cutter head is made of PCBN materials with high hardness, and the connecting sleeve, the positioning sleeve and the fixing sleeve are made of high-speed steel materials.
Compared with the prior art, the invention has the following beneficial effects:
the detachable hierarchical bionic gear shaping cutter structure is simple in structure and convenient to install, based on the bionic blade type of the cap Bei Yachi, the structural parameters of the cap scallop teeth are adopted, so that the cutting force during cutting can be well reduced, the cutting temperature is reduced, rough machining, semi-finishing and finish machining of the internal spline can be completed in one-time cutter feeding, the machining efficiency of the small-size internal spline is greatly improved, and the machining time is shortened. The cutter is damaged in the cutting process, all cutters are not required to be replaced, and only the corresponding blades are required to be replaced, so that the processing cost is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the hierarchical bionic blade 3 according to the present invention;
fig. 3 is a schematic view of the structure of the cutter bar 1 and the positioning sleeve 4 in the present invention;
fig. 4 is a schematic view of the structure of the fixing sleeve 2 according to the present invention;
FIG. 5 is a schematic view of the structure of the gear shaping 3-4 of the present invention;
FIG. 6 is a schematic diagram of a bionic curve of the rake face of the gear shaping 3-4 according to the present invention;
fig. 7 is a view of a super depth of field microscope of the cap shell teeth.
Detailed Description
The first embodiment is as follows: referring to fig. 1 to 6, the detachable hierarchical bionic gear shaping cutter for machining small-size internal splines in this embodiment includes a cutter bar 1, a fixing sleeve 2 and a plurality of hierarchical bionic blades 3, a positioning sleeve 4 is fixedly sleeved in the middle of the cutter bar 1, the plurality of hierarchical bionic blades 3 are sequentially sleeved on the outer circumferential side wall of the cutter bar 1 and are arranged at the front end of the positioning sleeve 4, the fixing sleeve 2 is fixedly sleeved at the end of the front end of the cutter bar 1, the plurality of hierarchical bionic blades 3 are fixedly connected with the fixing sleeve 2 and the positioning sleeve 4 in an inserting manner, and the plurality of hierarchical bionic blades 3 sequentially comprise a rough machining bionic blade set, a semi-finishing bionic blade set, a finishing bionic blade set and a repairing bionic blade set from front to back.
The multiple hierarchical bionic blades 3 are sequentially sleeved on the cutter bar 1, and are fixedly connected with the fixed sleeve 2 and the positioning sleeve 4 in an inserted manner through the multiple hierarchical bionic blades 3, so that the axial positioning of the multiple hierarchical bionic blades 3 is realized, and the hierarchical bionic blades 3 are prevented from rotating axially. Meanwhile, the plurality of hierarchical bionic blades 3 are connected in an inserted manner, all cutters are not required to be replaced when the cutters are damaged in the cutting process, and only the corresponding blades are required to be replaced.
In order to improve the machining precision of primary machining, the blade adopts an overall size hierarchical structure and is divided into a rough machining area, a semi-finishing area, a finish machining area and a trimming area, so that the rough machining, the semi-finishing and the finish machining of the internal spline can be finished in one-time cutter feeding, the machining efficiency of the small-size internal spline is greatly improved, and the machining time is shortened.
The second embodiment is as follows: referring to fig. 1 to 6, in this embodiment, a connecting sleeve 3-3 is disposed in the middle of the hierarchical bionic blade 3, the connecting sleeve 3-3 is sleeved on a cutter bar 1, a gear shaping cutter disc is fixedly sleeved on the outer side wall of the connecting sleeve 3-3, and the gear shaping cutter disc includes a plurality of gear shaping teeth 3-4 uniformly distributed along the circumferential direction. The technical features not disclosed in this embodiment are the same as those of the first embodiment.
The molded line size of the gear shaping 3-4 is set according to the molded line size of the internal spline to be processed.
And a third specific embodiment: in this embodiment, a limiting boss 3-1 is disposed on a rear end face of the connecting sleeve 3-3, a limiting groove 3-2 is disposed on a front end face of the connecting sleeve 3-3, in every two adjacent hierarchical bionic blades 3, the limiting boss 3-1 of the former hierarchical bionic blade 3 is inserted into the limiting groove 3-2 of the latter hierarchical bionic blade 3, a positioning groove 4-1 is disposed on a front end face of the positioning sleeve 4, the limiting boss 3-1 of the rearmost hierarchical bionic blade 3 is inserted into the positioning groove 4-1, a fixing boss 2-1 is disposed on a rear end face of the fixing sleeve 2, and the fixing boss 2-1 is inserted into the limiting groove 3-2 of the foremost hierarchical bionic blade 3. The technical features not disclosed in this embodiment are the same as those of the second embodiment.
The design is so designed as to realize the plug-in connection between the plurality of hierarchical bionic blades 3 and between the hierarchical bionic blades 3 and the fixed sleeve 2 and the positioning sleeve 4, and realize the axial positioning between the plurality of hierarchical bionic blades 3 and between the hierarchical bionic blades 3 and the fixed sleeve 2 and the positioning sleeve 4.
The specific embodiment IV is as follows: in the present embodiment, the limiting boss 3-1, the limiting groove 3-2, the positioning groove 4-1 and the fixing boss 2-1 are all semicircular in shape, as described in reference to fig. 1 to 6. The technical features not disclosed in this embodiment are the same as those of the third embodiment.
Fifth embodiment: the present embodiment is described with reference to fig. 1 to 6, in which the rake face of the gear shaping 3-4 is a concave curved surface, and the outer end of the rake face of the gear shaping 3-4 extends forward. The technical features not disclosed in this embodiment are the same as those of the second embodiment.
The blade shape of the gear shaping 3-4 is based on the bionic blade shape of the cap Bei Yachi, and the cutting force during the gear shaping processing can be reduced.
Specific embodiment six: referring to fig. 1 to 6, the present embodiment is described in which the round radius R of the gear shaping 3-4 is 0.02mm, the front first arc radius R1 is 2mm, the front first chord length L1 is 0.3mm, the front first straight line length L2 is 0.1mm, the front second arc R2 is 3.5mm, and the front second chord length L3 is 1mm. The technical features not disclosed in this embodiment are the same as those of the fifth embodiment.
The cap shell teeth are shot by using a super-depth-of-field microscope, as shown in fig. 7, structural parameters of the cap shell teeth are extracted, and the structural parameters of the cap shell teeth are applied to shape design of the front cutter face of the gear shaping 3-4.
Seventh embodiment: referring to fig. 1 to 6, the present embodiment is described, in which the rough machining bionic blade set includes a plurality of rough machining bionic blades sequentially set from front to back, the semi-finishing bionic blade set includes a plurality of semi-finishing bionic blades sequentially set from front to back, the finishing bionic blade set includes a plurality of finishing bionic blades sequentially set from front to back, and the finishing bionic blade set includes a plurality of finishing bionic blades sequentially set from front to back. The technical features not disclosed in this embodiment are the same as those of the first, second, third, fourth, fifth or sixth embodiments.
The rough machining, semi-finishing and finishing of the internal spline can be completed in one cutter feeding.
Eighth embodiment: referring to fig. 1 to 6, in this embodiment, the tooth heights and tooth thicknesses of the plurality of rough machining bionic blades are respectively increased by 0.1mm from front to back one by one, the tooth heights and tooth thicknesses of the plurality of semi-finishing bionic blades are respectively increased by 0.05mm from front to back one by one, the tooth heights and tooth thicknesses of the plurality of finishing bionic blades are respectively increased by 0.005mm from front to back one by one, and the sizes of the plurality of repairing bionic blades are the same as those of the internal spline to be machined. The technical features not disclosed in this embodiment are the same as those of the seventh embodiment.
The bionic gear shaping sword of this design can accomplish the step-by-step processing of slotting.
Detailed description nine: in the present embodiment, the gear shaping cutterhead is fixedly connected with the connecting sleeve 3-3 by welding, the positioning sleeve 4 is fixedly connected with the cutter bar 1 by welding, and the fixing sleeve 2 is connected with the cutter bar 1 by a hexagonal screw, as described with reference to fig. 1 to 6. The technical features not disclosed in this embodiment are the same as those of the second embodiment.
Detailed description ten: referring to fig. 1 to 6, in the present embodiment, the gear shaper cutter according to the present embodiment is made of PCBN material with high hardness, and the connecting sleeve 3-3, the positioning sleeve 4, and the fixing sleeve 2 are made of high-speed steel material. The technical features not disclosed in this embodiment are the same as those of the embodiment nine.
PCBN, polycrystalline cubic boron nitride (Polycrystalline Cubic Boron Nitride), is the most suitable tool material for high-speed cutting of ferrous metals as a novel tool material synthesized by an artificial method and having hardness inferior to natural diamond.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a removable hierarchical bionical pinion cutter of processing small-size internal spline which characterized in that: the novel multifunctional knife comprises a knife bar (1), a fixing sleeve (2) and a plurality of grading bionic blades (3), wherein a positioning sleeve (4) is fixedly sleeved at the middle part of the knife bar (1), the grading bionic blades (3) are sequentially sleeved on the outer circumferential side wall of the knife bar (1), the front end of the positioning sleeve (4) is arranged, the fixing sleeve (2) is fixedly sleeved at the end part of the front end of the knife bar (1), the grading bionic blades (3) are fixedly connected with the fixing sleeve (2) and the positioning sleeve (4) in an inserting mode, and the grading bionic blades (3) sequentially comprise a rough machining bionic blade group, a semi-finishing bionic blade group, a finishing bionic blade group and a repairing bionic blade group from front to back.
2. The detachable hierarchical bionic gear shaping cutter for machining small-sized internal splines according to claim 1, wherein: the middle part of hierarchical bionical blade (3) is equipped with connecting sleeve (3-3), and connecting sleeve (3-3) suit is on cutter arbor (1), and the cover rigid coupling is equipped with the gear shaping blade disc on the lateral wall of connecting sleeve (3-3), and the gear shaping blade disc includes a plurality of gear shaping (3-4) that set up along circumferencial direction equipartition.
3. The detachable hierarchical bionic gear shaping cutter for machining small-sized internal splines according to claim 2, wherein: the novel multifunctional bionic knife blade is characterized in that a limiting boss (3-1) is arranged on the rear end face of the connecting sleeve (3-3), a limiting groove (3-2) is arranged on the front end face of the connecting sleeve (3-3), the limiting boss (3-1) of the former classifying bionic knife blade (3) is inserted into the limiting groove (3-2) of the latter classifying bionic knife blade (3) respectively, a positioning groove (4-1) is arranged on the front end face of the positioning sleeve (4), the limiting boss (3-1) of the rearmost classifying bionic knife blade (3) is inserted into the positioning groove (4-1), a fixing boss (2-1) is arranged on the rear end face of the fixing sleeve (2), and the fixing boss (2-1) is inserted into the limiting groove (3-2) of the foremost classifying bionic knife blade (3).
4. A detachable hierarchical bionic gear shaping cutter for processing small-sized internal splines according to claim 3, wherein: the limiting boss (3-1), the limiting groove (3-2), the positioning groove (4-1) and the fixing boss (2-1) are all semicircular.
5. The detachable hierarchical bionic gear shaping cutter for machining small-sized internal splines according to claim 2, wherein: the front cutter surface of the gear shaping (3-4) is a concave curved surface, and the outer side end of the front cutter surface of the gear shaping (3-4) extends forwards.
6. The detachable hierarchical bionic gear shaping cutter for machining small-sized internal splines of claim 5, wherein: the round radius R of the gear shaping (3-4) is 0.02mm, the front first arc radius R1 is 2mm, the front first chord length L1 is 0.3mm, the front first straight line length L2 is 0.1mm, the front second arc radius R2 is 3.5mm, and the front second chord length L3 is 1mm.
7. The detachable hierarchical bionic gear shaper cutter for machining small-sized internal splines according to claim 1, 2, 3, 4, 5 or 6, wherein: the rough machining bionic blade group comprises a plurality of rough machining bionic blades which are sequentially arranged from front to back, the semi-finishing bionic blade group comprises a plurality of semi-finishing bionic blades which are sequentially arranged from front to back, the finishing bionic blade group comprises a plurality of finishing bionic blades which are sequentially arranged from front to back, and the finishing bionic blade group comprises a plurality of finishing bionic blades which are sequentially arranged from front to back.
8. The detachable hierarchical bionic gear shaping cutter for machining small-sized internal splines of claim 7, wherein: the tooth heights and the tooth thicknesses of the rough machining bionic blades are respectively increased by 0.1mm from front to back one by one, the tooth heights and the tooth thicknesses of the semi-finishing bionic blades are respectively increased by 0.05mm from front to back one by one, the tooth heights and the tooth thicknesses of the finish machining bionic blades are respectively increased by 0.005mm from front to back one by one, and the sizes of the repair type bionic blades are the same as those of the internal spline to be machined.
9. The detachable hierarchical bionic gear shaping cutter for machining small-sized internal splines according to claim 2, wherein: the gear shaping cutter head is fixedly connected with the connecting sleeve (3-3) in a welding way, the positioning sleeve (4) is fixedly connected with the cutter bar (1) in a welding way, and the fixing sleeve (2) is connected with the cutter bar (1) in a hexagonal screw way.
10. The detachable hierarchical bionic gear shaping cutter for machining small-sized internal splines of claim 9, wherein: the gear shaping cutter head is made of PCBN materials with high hardness, and the connecting sleeve (3-3), the positioning sleeve (4) and the fixing sleeve (2) are made of high-speed steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310931732.1A CN116871576A (en) | 2023-07-27 | 2023-07-27 | Detachable hierarchical bionic gear shaping cutter for processing small-size internal spline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310931732.1A CN116871576A (en) | 2023-07-27 | 2023-07-27 | Detachable hierarchical bionic gear shaping cutter for processing small-size internal spline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116871576A true CN116871576A (en) | 2023-10-13 |
Family
ID=88271378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310931732.1A Pending CN116871576A (en) | 2023-07-27 | 2023-07-27 | Detachable hierarchical bionic gear shaping cutter for processing small-size internal spline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116871576A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5282702A (en) * | 1992-04-03 | 1994-02-01 | New Venture Gear, Inc. | Wafer broaching tool |
| JP2006334705A (en) * | 2005-06-01 | 2006-12-14 | Nachi Fujikoshi Corp | Pushing broach |
| CN110461522A (en) * | 2017-03-27 | 2019-11-15 | 日本电产株式会社 | Broach tool |
| CN210080854U (en) * | 2019-04-26 | 2020-02-18 | 浙江易立刀具有限公司 | Stable form suit formula broach |
| CN113305353A (en) * | 2021-06-11 | 2021-08-27 | 哈尔滨理工大学 | Broach based on tooth configuration and arrangement mode of shells and preparation method thereof |
-
2023
- 2023-07-27 CN CN202310931732.1A patent/CN116871576A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5282702A (en) * | 1992-04-03 | 1994-02-01 | New Venture Gear, Inc. | Wafer broaching tool |
| JP2006334705A (en) * | 2005-06-01 | 2006-12-14 | Nachi Fujikoshi Corp | Pushing broach |
| CN110461522A (en) * | 2017-03-27 | 2019-11-15 | 日本电产株式会社 | Broach tool |
| CN210080854U (en) * | 2019-04-26 | 2020-02-18 | 浙江易立刀具有限公司 | Stable form suit formula broach |
| CN113305353A (en) * | 2021-06-11 | 2021-08-27 | 哈尔滨理工大学 | Broach based on tooth configuration and arrangement mode of shells and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张绍成: "《基于帽贝牙齿齿廓构形的PCBN仿生刀具设计及切削性能研究》", 中国硕士电子期刊, 15 January 2024 (2024-01-15), pages 16 - 17 * |
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