CN211387075U - Efficient three-blade broaching tool capable of performing intermittent machining - Google Patents
Efficient three-blade broaching tool capable of performing intermittent machining Download PDFInfo
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- CN211387075U CN211387075U CN201922320470.7U CN201922320470U CN211387075U CN 211387075 U CN211387075 U CN 211387075U CN 201922320470 U CN201922320470 U CN 201922320470U CN 211387075 U CN211387075 U CN 211387075U
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- 238000003754 machining Methods 0.000 title abstract description 35
- 238000005520 cutting process Methods 0.000 claims abstract description 181
- 230000002093 peripheral effect Effects 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000110 cooling liquid Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 239000002826 coolant Substances 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Abstract
The utility model discloses a three sword reamer of high efficiency that can intermittent type process belongs to the reaming cutter field. The utility model discloses a three-edge reamer, including handle of a knife and cutting part, the cutting part has three spiral cutting edges, has the helicla flute between two adjacent spiral cutting edges, and every cutting edge all has the end sword of locating on three-edge reamer terminal surface and is equipped with the all sword of three-edge reamer circumference, and the end sword of three cutting edges has unequal structure on the terminal surface of three-edge reamer, the difference of contained angle maximum value and minimum value between the end sword of two adjacent cutting edges is 5 ~ 9 °; the cutting part is provided with a back taper with a big front and a small back. The utility model discloses a three sword reamer adopts the design that the three sword is not equant, and cooperates the back taper design, has reduced the vibration of reaming cutting on the one hand, and on the other hand has very good cutting guide effect, can carry out the interrupted reaming processing of high efficiency, big metal volume of getting rid of, and machining precision and machining efficiency are promoted by a wide margin.
Description
Technical Field
The utility model relates to a reamer, more specifically say, relate to a three sword reamers of high-efficient that can intermittent processing.
Background
In the machining process, various kinds of hole machining are frequently encountered, and the hole machining is also an uncommon machining means. According to different processing methods, hole processing usually comprises drilling, reaming and reaming, and the like, and cutters used in different processing methods have different characteristics, wherein reaming is a processing method for further enlarging a hole on the basis of an original hole, and a reaming cutter generally comprises a cutting edge and a chip groove and is mainly used for enlarging a hole with a precast hole or a bottom hole and improving cylindricity and roughness. Chinese patent No. ZL200920033836.6 discloses a spiral flute-shaped reamer, which comprises a drill core and a spiral flute, wherein the spiral flute shape is a smooth arc line formed by three sections of arcs, namely, a cutting arc, a chip coiling arc tangent to the cutting arc, and a chip containing arc tangent to the chip coiling arc, so that the strength of a cutting edge of the reamer can be ensured, an enough chip containing space is provided, chips are easy to curl and break, and the chips are prevented from damaging a processed surface.
When the existing hole expanding cutter is used for machining holes with intermittent characteristics such as valve holes of a hydraulic valve, the intermittent machining precision of the holes is difficult to guarantee due to poor vibration suppression of the cutter, the straightness, the roughness and the like of the holes are relatively poor, large workload is brought to subsequent finish machining, and the machining efficiency is low.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model aims to overcome current reamer and have intermittent machining precision poor, inefficiency etc. not enough, but provide an intermittent machining's high-efficient three sword reamer, this three sword reamer adopts the design that the three sword is not equant, contained angle maximum value between the end sword of two adjacent cutting edges is 5 ~ 9 with the difference of minimum, and the back taper design that the cooperation cutting portion is big-end-up, the vibration of reaming cutting has been reduced on the one hand, three sword reamer's job stabilization nature has been improved, on the other hand has very good cutting guide effect, thereby can carry out high-efficiently, but the intermittent reaming processing of heavy metal removal capacity, machining precision and machining efficiency obtain promoting by a wide margin.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a but intermittent type processing's high-efficient three sword reamer, including the handle of a knife with locate the cutting part of handle of a knife anterior, the cutting part have three spiral cutting edges that circumference distributes, have the helicla flute between two adjacent spiral cutting edges, every cutting edge all has the end sword of locating on three sword reamer terminal surfaces and locates the all sword of three sword reamer circumference, and the end sword of three cutting edges has unequal partition structure on the terminal surface of three sword reamer, the difference of contained angle maximum value and minimum value between the end sword of two adjacent cutting edges is 5 ~ 9 degrees; the cutting part is provided with a back taper with a big front part and a small back part.
Furthermore, the back taper of the cutting part is 100/(0.015-0.03) mm.
Further, the included angles between the end edges of two adjacent cutting edges are respectively 116.5 °, 118.5 ° and 125 °.
Furthermore, a cooling liquid channel is arranged at the center of the cutter handle and the center of the cutting part, and a liquid spraying opening communicated with the cooling liquid channel is arranged in the spiral groove.
Furthermore, the liquid spraying openings in the three spiral grooves are distributed at intervals along the axial direction of the cutting part.
Furthermore, the negative chamfer of the peripheral edge of the cutting edge is 0 degree, and the peripheral edge of the cutting edge adopts a double-edged structure and comprises a first peripheral edge and a second peripheral edge.
Furthermore, the front end of the cutting part is optionally provided with a layered structure, the layered structure is that a front cutting section with the diameter D1 smaller than the diameter D2 of the main body part of the cutting part is arranged at the front end of the cutting part, and the cutting edge on the front cutting section is connected with the cutting edge of the main body part of the cutting part through a layered transition taper angle.
Further, the end front chamfer angle of the front cutting section is larger than the angle of the layered transition cone angle.
Further, the angle of the front chamfer is 45 degrees, and the angle of the layered transition cone angle is 30 degrees.
Furthermore, the three-edge reamer is integrally processed and manufactured by hard alloy materials.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following apparent effect:
(1) the utility model discloses a but intermittent type's high-efficient three sword reamer, its cutting part has three spiral cutting edges that circumference distributes, has the helicla flute between two adjacent spiral cutting edges, every cutting edge all has the end sword of locating on three sword reamer terminal surfaces and locates the all sword of three sword reamer circumference, and the end sword of three cutting edges has unequal structure on three sword reamer's terminal surface, the contained angle maximum value between the end sword of two adjacent cutting edges is 5 ~ 9 with the difference of minimum value, and, the cutting part has big back taper in the front, little back taper in back; the three-blade broaching tool adopts a three-blade unequal design and is matched with a back taper design with a large front part and a small back part of a cutting part, so that on one hand, vibration of broaching and cutting is reduced, the working stability of the three-blade broaching tool is improved, efficient large metal removal capacity broaching processing can be carried out, on the other hand, a very good cutting guide effect is achieved, the concentricity of an intermittent processing hole is ensured, therefore, efficient large metal removal capacity interrupted broaching processing can be carried out, and the processing precision and the processing efficiency are greatly improved;
(2) the utility model discloses a three sword reamer of high efficiency that can discontinuously process, the back taper of its cutting portion is 100/(0.015 ~ 0.03) mm, and the back taper angle is very little, has very good cutting guide effect, has guaranteed the straightness accuracy of reaming processing;
(3) the utility model discloses a three sword reamers of high efficiency that can discontinuously process, the contained angle between the end sword of its two adjacent cutting edges is 116.5 °, 118.5 ° and 125 ° respectively, adopt the above-mentioned design of unequal angle, have effectively reduced cutting resonance, have effectively inhibited the vibration of the cutter, have improved the reaming machining precision;
(4) the utility model discloses a high-efficient three sword reamer that can discontinuously process, the center of its handle of a knife and cutting portion is equipped with the coolant liquid passageway, is equipped with the hydrojet that is linked together with the coolant liquid passageway in the helicla flute, adopts single straight hole reposition of redundant personnel cooling design, has improved the cutter radiating effect, and has guaranteed that the chip removal is smooth and easy, has improved three sword reamer's life and machining efficiency;
(5) the utility model discloses a high-efficient three-blade reamer capable of being discontinuously processed, the liquid spraying ports in the three spiral grooves are distributed at intervals along the axial direction of the cutting part, so that the strength of the cutter and the uniformity of the cooling liquid spraying are ensured;
(6) the utility model discloses a but intermittent type processing's high-efficient three sword reamer, the week sword negative chamfer of cutting edge is 0, and the week sword of cutting edge adopts the twolip band structure, including first week sword and second week sword, adopts the twolip band design, makes the guide effect of reamer better, and has improved the cutting radiating effect of cutter, and the twolip band design has the burnishing effect simultaneously, makes the processing pore wall have higher finish and cylindricity;
(7) the utility model discloses a but high-efficient three sword reamer of interrupted processing, the front end of its cutting portion is provided with the layered structure selectively, the layered structure is equipped with the preceding cutting section that diameter D1 is less than the main part diameter D2 of cutting portion at the front end of cutting portion, it is continuous through layering transition cone angle between the cutting edge of cutting edge on the preceding cutting section and the cutting edge of cutting portion main part, adopt the layered design, the smear metal is the bits of broken glass, and cut high-efficiently, it is easier to make the downthehole smear metal wash, be particularly useful for the interrupted spot facing work of multichannel, the problem that the hole was blockked up in the smear metal residue has effectively been solved;
(8) the utility model discloses a but three sword reamers of high-efficient of interrupted processing, in the layered structure, the tip front chamfer angle of preceding cutting section is greater than the angle of layering transition cone angle, and the angle of front chamfer is preferred 45, and the angle of layering transition cone angle is preferred 30, makes the cutter cutting more stable, and cutting efficiency is higher;
(9) the utility model discloses a but three sword reamers of high-efficient of intermittent type processing, this three sword reamers are formed by the whole processing preparation of carbide material, and the cutter wholeness is strong, and intensity is high, long service life.
Drawings
Fig. 1 is a schematic perspective view of a high-efficiency three-blade reamer capable of being intermittently processed according to embodiment 1 of the present invention;
FIG. 2 is an enlarged view of a portion K' of FIG. 1;
fig. 3 is a schematic front view of a high-efficiency three-blade reamer capable of being intermittently machined according to embodiment 1 of the present invention;
fig. 4 is an axial view of a cutting portion of an efficient three-blade reamer capable of being intermittently machined according to embodiment 1 of the present invention;
fig. 5 is a schematic perspective view of a high-efficiency three-blade reamer capable of being intermittently processed according to embodiment 2 of the present invention;
FIG. 6 is an enlarged view of a portion of the structure at K in FIG. 5;
fig. 7 is a schematic front view of a high-efficiency three-blade reamer capable of being intermittently processed according to embodiment 2 of the present invention;
fig. 8 is an axial view of a cutting portion of an efficient three-blade reamer capable of being intermittently machined according to embodiment 2 of the present invention;
the reference numerals in the schematic drawings illustrate:
1. a knife handle; 2. a cutting portion; 2-1, a cutting edge; 2-1a, an end blade; 2-1b, a first peripheral edge; 2-1c, a second peripheral edge; 2-2, spiral groove; 2-3, a front cutting section; 2-4, layered transition taper angle; 2-5, chamfering the front part; 3. a coolant passage; 3-1, a liquid spraying port; 4. a transition section.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.
As shown in fig. 1 and 5, the efficient three-blade reamer capable of performing intermittent machining of the present invention includes a holder 1 and a cutting portion 2 disposed in front of the holder 1, the cutting portion 2 has three circumferentially distributed spiral cutting edges 2-1, a spiral groove 2-2 is disposed between two adjacent spiral cutting edges 2-1, and a three-blade design is adopted, so that a chip holding space is large, and chip removal is easier; each cutting edge 2-1 is provided with an end edge 2-1a arranged on the end surface of the three-edge hole expanding cutter and a circumferential edge arranged on the circumference of the three-edge hole expanding cutter, the end edges 2-1a of the three cutting edges 2-1 have unequal structures on the end surface of the three-edge hole expanding cutter, and the difference between the maximum value and the minimum value of the included angle between the end edges 2-1a of two adjacent cutting edges 2-1 on the end surface of the three-edge hole expanding cutter is 5-9 degrees; the cutting part 2 has a reverse taper with a large front and a small rear, and the reverse taper of the cutting part 2 is generally 100/0.015 to 0.03 mm. By adopting the design of unequal three edges and matching with the back taper design of the cutting part with a large front part and a small back part, on one hand, the vibration of reaming and cutting is reduced, the working stability of the three-edge reaming cutter is improved, and on the other hand, the cutting guide function is very good, so that the interrupted reaming processing of high efficiency and large metal removal amount can be carried out, and the processing precision and the processing efficiency are greatly improved. In addition, the peripheral edge of the cutting edge 2-1 adopts a double-edged strip structure, comprises a first peripheral edge 2-1b and a second peripheral edge 2-1c, and adopts a double-edged strip design, so that the guiding effect of the hole expanding cutter is better, the cutting heat dissipation effect of the cutter is improved, and meanwhile, the double-edged strip design has a burnishing effect, so that the processed hole wall has higher smoothness and cylindricity.
According to the design of machining allowance, a layered structure can be selectively provided at the front end of the cutting portion 2, and a single-layer machining blade or a double-layer layered machining blade can be designed. The layered structure is that a front cutting section 2-3 with the diameter D1 smaller than the diameter D2 of the main body part of the cutting part 2 is arranged at the front end of the cutting part 2, and the cutting edge 2-1 on the front cutting section 2-3 is connected with the cutting edge 2-1 of the main body part of the cutting part 2 through a layered transition taper angle 2-4. The layered design is adopted, the cuttings are small broken cuttings, the cutting is efficient, the cuttings in the holes can be cleaned more easily, the method is particularly suitable for multi-channel intermittent hole machining, and the problem that the cuttings are left to block the hole channels is effectively solved.
The present invention will be further described with reference to the following examples.
[ example 1]
As shown in fig. 1 to 4, the efficient three-edge reamer capable of performing intermittent machining in this embodiment is a three-edge reamer designed with a single-layer machining edge, and includes a tool holder 1 and a cutting part 2 disposed at a front portion of the tool holder 1, the cutting part 2 has three circumferentially distributed spiral cutting edges 2-1, a spiral groove 2-2 is disposed between two adjacent spiral cutting edges 2-1, each cutting edge 2-1 has an end edge 2-1a disposed on an end surface of the three-edge reamer and a circumferential edge disposed in a circumferential direction of the three-edge reamer, the end edge 2-1a of the three cutting edges 2-1 has an unequal structure on the end surface of the three-edge reamer, a difference between a maximum value and a minimum value of an included angle between the end edges 2-1a of the two adjacent cutting edges 2-1 on the end surface of the three-edge reamer is 5 ° to 9 °, in the embodiment, the included angles between the end blades 2-1a of the two adjacent cutting edges 2-1 are preferably respectively designed to be 116.5 degrees, 118.5 degrees and 125 degrees, and the unequal design of the three blades is adopted to reduce the vibration of reaming and cutting, effectively inhibit the vibration of a cutter, improve the working stability of the three-blade reaming cutter, perform efficient large-metal-removal-amount reaming and improve the reaming precision; and the cutting part 2 is provided with an inverted cone with a big front and a small back, the inverted cone of the cutting part 2 is preferably 100/0.015-0.03 mm, and the design of the inverted cone with the big front and the small back is matched with the cutting part, so that the cutting guide function is very good, the concentricity of an intermittent machining hole and the straightness of hole expanding machining are ensured, the intermittent hole expanding machining with high efficiency and large metal removal amount can be carried out, and the machining precision and the machining efficiency are greatly improved.
As shown in fig. 3, in order to improve the service life of the three-edge reamer, the center of the cutter handle 1 and the center of the cutting part 2 are provided with the cooling liquid channel 3, and the spiral groove 2-2 is internally provided with the liquid spraying port 3-1 communicated with the cooling liquid channel 3. Preferably, the liquid spray ports 3-1 in the three spiral grooves 2-2 are distributed at intervals along the axial direction of the cutting part 2, so that the strength of the cutter and the uniformity of cooling liquid spray are ensured. In the present embodiment, as shown in fig. 4, the peripheral edge negative chamfer of the cutting edge 2-1 is 0 ° to make the peripheral edge stronger, the peripheral edge of the cutting edge 2-1 adopts a double-edged structure, which includes a first peripheral edge 2-1b and a second peripheral edge 2-1c, the peripheral edge negative chamfer width of the cutting edge 2-1 can be designed according to the chamfer width or the end edge cutting width, and the edge widths of the first peripheral edge 2-1b and the second peripheral edge 2-1c are generally designed to be 0.3-0.6 mm. The double-edged belt design is adopted, so that the guiding effect of the hole expanding cutter is better, the cutting heat dissipation effect of the cutter is improved, and meanwhile, the double-edged belt design has the burnishing effect, so that the machined hole wall has higher smoothness and cylindricity.
In addition, the efficient three-blade broaching tool capable of being intermittently machined according to the embodiment is preferably integrally machined and manufactured by a hard alloy material, and has the advantages of strong tool integrity, high strength and long service life. The diameter D1 'of the cutting part 2 of the three-edged reamer is larger than the diameter D' of the shank 1, and a relief chamfer is preferably provided between the shank 1 and the cutting part 2, and the angle of the relief chamfer is designed to be 15 °. The length L1 'and the diameter D1' of the cutting part 2 of the three-edged reamer, as well as the total length L2 'of the three-edged reamer and the diameter D' of the shank 1 can be determined according to specific needs. The end of the cutting part 2 is provided with a 45 DEG front chamfer. In addition, the core thickness diameter D2 'of the cutting part 2 is preferably designed to be 0.4 to 0.6 times the diameter D1' of the cutting part 2, so that the overall strength of the cutting part 2 is ensured.
[ example 2]
As shown in fig. 5 to 8, the efficient three-edged reamer capable of being intermittently machined according to the present embodiment is a three-edged reamer with layered machining edges, and has a basic structure similar to that of embodiment 1, except that: the front end of the cutting part 2 is provided with a layered structure, the layered structure is that the front end of the cutting part 2 is provided with a front cutting section 2-3 with the diameter D1 smaller than the diameter D2 of the main body part of the cutting part 2, and the cutting edge 2-1 on the front cutting section 2-3 is connected with the cutting edge 2-1 of the main body part of the cutting part 2 through a layered transition taper angle 2-4. By adopting the layered design, the cuttings are small broken cuttings, the cutting is efficient, the cuttings in the holes can be cleaned more easily, the method is particularly suitable for multi-channel intermittent hole machining, and the problem that the cuttings are remained to block the hole channels is effectively solved.
In addition, the angle of the front chamfer 2-5 at the end part of the front cutting section 2-3 is larger than the angle of the layered transition cone angle 2-4, the angle of the front chamfer 2-5 is preferably 45 degrees, the angle of the layered transition cone angle 2-4 is preferably 30 degrees, so that the cutting of the cutter is more stable, and the cutting efficiency is higher. A transition section 4 can be designed between the shank 1 and the cutting portion 2, the diameter D3 of the transition section 4 being slightly smaller than the diameter of the tail of the cutting portion 2. In the present embodiment, the core thickness diameter D4 of the cutting part 2 is preferably designed to be 0.4 to 0.6 times the diameter D2 of the main body portion of the cutting part 2, ensuring the overall strength of the cutting part 2. The diameter D1 and the length L4 of the shank 1, the diameter D3 and the length L3 of the transition section 4, the total length L2 of the cutting portion 2 and the front end diameter D2 of the main body portion of the cutting portion 2, and the diameter D1 and the length L1 of the front cutting section 2-3 are all as required.
The utility model discloses a but intermittent machining's high-efficient three sword reamer adopts the design that the three sword is not divided equally, and the back taper design that big back is little before the cooperation cutting portion, the vibration of reaming cutting has been reduced on the one hand, the job stabilization nature of three sword reamers has been improved, can carry out the reaming processing of the big metal volume of getting rid of high efficiency, on the other hand has very good cutting guide effect, the concentricity of intermittent processing hole has been guaranteed, thereby can carry out high efficiency, the interrupted reaming processing of the big metal volume of getting rid of, and machining precision and machining efficiency are promoted by a wide margin.
The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a but three sword reamers of high-efficient of intermittent type processing, includes handle of a knife (1) and locates cutting part (2) of handle of a knife (1) front portion, cutting part (2) have three spiral cutting edges (2-1) that distribute circumferentially, have helicla flute (2-2) between two adjacent spiral cutting edges (2-1), its characterized in that: each cutting edge (2-1) is provided with an end edge (2-1a) arranged on the end surface of the three-edge hole expanding cutter and a circumferential edge arranged on the circumference of the three-edge hole expanding cutter, the end edges (2-1a) of the three cutting edges (2-1) are of an unequal structure on the end surface of the three-edge hole expanding cutter, and the difference between the maximum value and the minimum value of the included angle between the end edges (2-1a) of two adjacent cutting edges (2-1) on the end surface of the three-edge hole expanding cutter is 5-9 degrees; the cutting part (2) is provided with a back taper with a big front and a small back.
2. An efficient three-edged reamer capable of being intermittently machined according to claim 1, wherein: the back taper of the cutting part (2) is 100/(0.015-0.03) mm.
3. An efficient three-edged reamer capable of being intermittently machined according to claim 2, wherein: the included angles between the end edges (2-1a) of two adjacent cutting edges (2-1) are respectively 116.5 degrees, 118.5 degrees and 125 degrees.
4. An efficient three-edged reamer capable of being intermittently machined according to claim 1, wherein: the center of the cutter handle (1) and the center of the cutting part (2) are provided with a cooling liquid channel (3), and a liquid spraying port (3-1) communicated with the cooling liquid channel (3) is arranged in the spiral groove (2-2).
5. An efficient three-edged reamer capable of being intermittently machined according to claim 4, wherein: liquid spraying ports (3-1) in the three spiral grooves (2-2) are distributed at intervals along the axial direction of the cutting part (2).
6. An efficient three-edged reamer capable of being intermittently machined according to claim 1, wherein: the negative chamfering of the peripheral edge of the cutting edge (2-1) is 0 degree, and the peripheral edge of the cutting edge (2-1) adopts a double-edged structure and comprises a first peripheral edge (2-1b) and a second peripheral edge (2-1 c).
7. An efficient three-edged reamer capable of being intermittently machined according to any one of claims 1 to 6, wherein: the front end of the cutting part (2) is selectively provided with a layered structure, the layered structure is that a front cutting section (2-3) with the diameter D1 smaller than the diameter D2 of the main body part of the cutting part (2) is arranged at the front end of the cutting part (2), and a cutting edge (2-1) on the front cutting section (2-3) is connected with the cutting edge (2-1) of the main body part of the cutting part (2) through a layered transition taper angle (2-4).
8. An efficient three-edged reamer capable of being intermittently machined according to claim 7, wherein: the angle of the front chamfer (2-5) at the end part of the front cutting section (2-3) is larger than the angle of the layered transition cone angle (2-4).
9. An efficient three-edged reamer capable of being intermittently machined according to claim 8, wherein: the angle of the front chamfer (2-5) is 45 degrees, and the angle of the layered transition taper angle (2-4) is 30 degrees.
10. An efficient three-edged reamer capable of being intermittently machined according to claim 1, wherein: the three-blade broaching tool is integrally processed and manufactured by hard alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922320470.7U CN211387075U (en) | 2019-12-23 | 2019-12-23 | Efficient three-blade broaching tool capable of performing intermittent machining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922320470.7U CN211387075U (en) | 2019-12-23 | 2019-12-23 | Efficient three-blade broaching tool capable of performing intermittent machining |
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| Publication Number | Publication Date |
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| CN211387075U true CN211387075U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922320470.7U Withdrawn - After Issue CN211387075U (en) | 2019-12-23 | 2019-12-23 | Efficient three-blade broaching tool capable of performing intermittent machining |
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| CN (1) | CN211387075U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110919058A (en) * | 2019-12-23 | 2020-03-27 | 常州利德切削技术有限公司 | Efficient three-blade broaching tool capable of performing intermittent machining |
| CN112024963A (en) * | 2020-09-02 | 2020-12-04 | 西安精雕软件科技有限公司 | Integral hard alloy end milling cutter with negative chamfering structure |
-
2019
- 2019-12-23 CN CN201922320470.7U patent/CN211387075U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110919058A (en) * | 2019-12-23 | 2020-03-27 | 常州利德切削技术有限公司 | Efficient three-blade broaching tool capable of performing intermittent machining |
| CN110919058B (en) * | 2019-12-23 | 2024-07-30 | 常州利德切削技术有限公司 | High-efficiency three-blade reamer capable of being intermittently processed |
| CN112024963A (en) * | 2020-09-02 | 2020-12-04 | 西安精雕软件科技有限公司 | Integral hard alloy end milling cutter with negative chamfering structure |
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