CN214108960U - Non-standard cutter for machining nickel-based high-temperature alloy - Google Patents
Non-standard cutter for machining nickel-based high-temperature alloy Download PDFInfo
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- CN214108960U CN214108960U CN202023281296.9U CN202023281296U CN214108960U CN 214108960 U CN214108960 U CN 214108960U CN 202023281296 U CN202023281296 U CN 202023281296U CN 214108960 U CN214108960 U CN 214108960U
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Abstract
The utility model discloses a nonstandard cutter for processing of nickel base superalloy belongs to cutter technical field. The nonstandard cutter comprises a processing section and a connecting section, the processing section and the connecting section are cylinders, the outer diameter of the processing section is equal to that of the connecting section, a plurality of tool bits are arranged at the end part of the first end of the processing section, spiral grooves are formed in the outer wall of the processing section, the spiral angles of the spiral grooves of any two adjacent spiral structures are different, one end, facing the tool bits, of each spiral groove is located between the two spiral grooves, the first end of the connecting section and the second end of the processing section are coaxially connected together, and the second end of the connecting section is used for being inserted into the tool shank. The utility model provides a nonstandard cutter adds man-hour to nickel base superalloy, can arrange nickel base superalloy's sweeps outward by a high efficiency, just also can increase substantially nickel base superalloy's processing effect.
Description
Technical Field
The utility model belongs to the technical field of the cutter, more specifically relates to a nonstandard cutter that is used for nickel base superalloy to process.
Background
The tool is a tool for milling in machine manufacturing, and generally, the tool used in machine manufacturing is basically used for cutting a metal material.
The nickel-based superalloy GH4169 is a heat-resistant alloy material with high strength, strong corrosion resistance, excellent thermal fatigue property and thermal stability, still has high tensile strength, fatigue strength, creep resistance and rupture strength at high temperature, but due to the fact that the material has a plurality of hard material points, small heat conductivity coefficient and serious work hardening, saw-toothed chips are easily formed in the cutting process, the fluctuation of cutting force is large, the abrasion of cutting tools is fast, the machining efficiency is low, and the physical properties enable the nickel-based superalloy GH4169 to become one of the most difficult materials to machine in machining. When machining nickel-base high-temperature alloy, a non-standard cutter with higher strength is used.
However, the conventional non-standard cutter has no good diversion effect on the scraps, the scraps generated by milling cannot be discharged outside in time, the scraps of the nickel-based superalloy can cause the cutter head to be incapable of dissipating heat quickly, the roughness of the machined surface can be poor, and the overall machining effect is poor.
SUMMERY OF THE UTILITY MODEL
To the above defect or the improvement demand of prior art, the utility model provides a nonstandard cutter for processing of nickel base superalloy, its aim at can high-efficient discharge sweeps, solve the unable outer row in time of sweeps from this and lead to the relatively poor technical problem of processing effect.
The utility model provides a non-standard cutter for processing nickel-based superalloy, which comprises a processing section and a connecting section, wherein the processing section and the connecting section are both cylinders, and the outer diameter of the processing section is equal to that of the connecting section;
the first end part of the processing section is provided with a plurality of cutter heads, the outer wall of the processing section is provided with spiral grooves, each spiral groove extends along the axial direction of the processing section, the spiral angles of any two adjacent spiral grooves are different, and one end of each spiral groove facing to each cutter head is positioned between the two spiral grooves;
the first end of the connecting section and the second end of the processing section are coaxially connected together, and the second end of the connecting section is used for being inserted on the cutter handle.
Optionally, the number of the tool bit and the number of the spiral groove are both 4.
Optionally, the spiral grooves include first spiral grooves and second spiral grooves, the first spiral grooves and the second spiral grooves are sequentially arranged along the outer peripheral wall of the processing section, the spiral angle of each first spiral groove is 30-35 °, and the spiral angle of each second spiral groove is 40-45 °.
Optionally, each of the spiral grooves is a tapered groove, and a width of each of the spiral grooves gradually decreases in a direction from an outer wall of the machining section to a center of the machining section.
Optionally, the non-standard tool is K55F hard material.
Optionally, the non-standard cutter has a coating on an outer wall thereof.
Optionally, the diameter of the processing section is 6mm, 8mm or 12 mm.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
to the utility model provides a pair of a nonstandard cutter for processing of nickel base superalloy, when carrying out the course of working to nickel base superalloy, link together the second end of linkage segment and handle of a knife, carry out the transmission to the handle of a knife through mechanical structure to corresponding drive processing section and a plurality of tool bit rotate, and then realize the processing to nickel base superalloy.
Furthermore, spiral grooves are formed in the outer wall of the machining section, the spiral angles of the two adjacent spiral grooves are different, one end, facing the tool bit, of each spiral groove is located between the two spiral grooves, and waste chips generated by milling can be timely discharged through the spiral grooves. And because the helical angles of the spiral grooves of the two adjacent spiral structures are different, the generated scraps can be guided efficiently, the scrap removal effect is better, the cutter head can quickly dissipate heat, the roughness of a machined surface is prevented from being poor, and the machining effect of the nickel-based high-temperature alloy is improved.
That is to say, the utility model provides a nonstandard cutter adds man-hour to nickel base superalloy, can arrange nickel base superalloy's sweeps outward by the high efficiency, just also can increase substantially nickel base superalloy's processing effect and machining efficiency, and can also improve the life of nonstandard cutter.
Drawings
FIG. 1 is a schematic structural diagram of a non-standard tool for machining a nickel-base superalloy according to the present embodiment;
FIG. 2 is a left side view of a non-standard tool for nickel-base superalloy machining according to the present embodiment;
fig. 3 is a sectional view of the processing stage of the present embodiment.
The symbols in the drawings represent the following meanings:
1. a processing section; 11. a cutter head; 12. a helical groove; 121. a first helical groove; 122. a second helical groove; 2. and (4) connecting the sections.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic structural diagram of a non-standard tool for processing a nickel-based superalloy according to the present embodiment, and as shown in fig. 1, the non-standard tool includes a processing section 1 and a connecting section 2, the processing section 1 and the connecting section 2 are both cylinders, and an outer diameter of the processing section 1 is equal to an outer diameter of the connecting section 2.
Fig. 2 is a left side view of a non-standard tool for ni-based superalloy machining according to the present embodiment, as shown in fig. 2, a first end of the machining section 1 has a plurality of tool bits 11, and the outer wall of the machining section 1 has spiral grooves 12, each spiral groove 12 extends in the axial direction of the machining section 1, the spiral angle of any two adjacent spiral grooves 12 is different, and one end of each spiral groove 12 facing the tool bit 11 is located between two spiral grooves 12.
The first end of the connecting section 2 and the second end of the processing section 1 are coaxially connected together, and the second end of the connecting section 2 is inserted on the tool shank.
To the utility model provides a pair of a nonstandard cutter for processing of nickel base superalloy, when carrying out the course of working to nickel base superalloy, link together the second end of linkage segment 2 and handle of a knife, carry out the transmission to the handle of a knife through mechanical structure to corresponding drive processing section 1 and a plurality of tool bit 11 rotate, and then realize the processing to nickel base superalloy.
Furthermore, the outer wall of the machining section 1 is provided with spiral grooves 12, the spiral angles of two adjacent spiral grooves 12 are different, one end of each spiral groove 12 facing the tool bit 11 is located between the two spiral grooves 12, and waste chips generated by milling can be timely discharged through the spiral grooves 12. And because the helical angles of the spiral grooves 12 of the two adjacent spiral structures are different, the generated scraps can be guided efficiently, the scrap removal effect is better, the cutter head 11 can quickly dissipate heat, the roughness of a machined surface is prevented from being poor, and the machining effect of the nickel-based high-temperature alloy is improved.
That is to say, the utility model provides a nonstandard cutter adds man-hour to nickel base superalloy, can arrange nickel base superalloy's sweeps outward by the high efficiency, just also can increase substantially nickel base superalloy's processing effect and machining efficiency, and can also improve the life of nonstandard cutter.
In the present embodiment, the number of the tool bits 11 and the number of the spiral grooves 12 may be 4.
In the above embodiment, the engagement of the plurality of tool bits 11 and the plurality of spiral grooves 12 can improve not only the machining efficiency but also the chip removal efficiency.
It should be noted that, in other embodiments of the present invention, the number of the tool bits 11 and the number of the spiral grooves 12 may be 6, which is not limited by the present invention.
Referring again to fig. 1, the spiral groove 12 includes a first spiral groove 121 and a second spiral groove 122, the first spiral groove 121 and the second spiral groove 122 are sequentially arranged along the outer circumferential wall of the machining section 1, and the helix angle α of each first spiral groove 121 is1Are all 30-35 degrees, and the helix angle alpha of each second spiral groove 122 is2All are 40-45 degrees.
In the above embodiment, through setting up two spiral grooves 12, can distribute the water conservancy diversion and excrete the sweeps of cockscomb structure smear metal, avoid forming great deckle edge to improve drainage efficiency, avoid the sweeps to pile up.
It is readily understood that the smaller the helix angle, the greater the cutting torque and the smaller the axial tension; the larger the helix angle, the smaller the cutting torque and the larger the axial tension. The utility model discloses a carry out a large amount of cutting tests to the nonstandard cutter of 45 °, 38 °, 30 °, 25 °, 20 helical angle, confirm the two unequal helical angles of 35 ° and 40 at last, it arranges and cuts the performance best. That is, preferably, the helix angle α of the first helical groove 1211At 35 deg., the helix angle alpha of the second helical flute 1222Is 40 deg..
Fig. 3 is a cross-sectional view of the machining section of the present embodiment, and as shown in fig. 3, each of the spiral grooves 12 is a tapered groove, and the width of each of the spiral grooves 12 gradually decreases in a direction from the outer wall of the machining section 1 to the center of the machining section 1.
In the above embodiment, the tapered groove can greatly improve chip removal, and effectively solves the problems of unsmooth heat dissipation and chip removal in the process of processing the nickel-based high-temperature alloy material.
It is easy to understand that the tapered slot has the following advantages: in metal cutting machining, control of cutting is important because built-up debris can cause hammering effects and chatter, which can be detrimental to tool life. Cutting forces and machined surface finish have a detrimental effect. When the conical groove is machined downwards, chips can be removed from the front end groove part to the extension part of the groove, so that the chip removal performance is more excellent, and the strength and the rigidity of the non-standard cutter are improved.
In this embodiment, the non-standard tool is K55F hard material.
In the above embodiment, the hard material K55F has a large structural strength, and can ensure the structural strength when processed into a nickel-base superalloy.
Optionally, the outer wall of the non-standard cutter has a coating (not shown).
In the above embodiments, the coating has a protective effect on non-standard tools.
In this embodiment, the coating may be a physical coating (PVD).
Optionally, the diameter of the machining section 1 is 6mm, 8mm or 12mm, wherein a non-standard cutter with the diameter of 6mm or 8mm can machine the inner hole of the closed area, and a non-standard cutter with the diameter of 12mm can machine the open outer profile.
In the embodiment, the designed non-standard cutter adopts the spiral grooves 12 with the spiral angles of 35 degrees and 40 degrees, the cutting mode and the cutting parameters are optimized to be the main breakthrough, the roughness of the inner hole of the workpiece reaches Ra0.8, the coaxiality of the inner hole is respectively 0.02mm and 0.03mm, the design requirements are completely met, the one-time inspection qualification rate can reach 98 percent, the machining efficiency is improved by 5 times, and a series of technical difficulties that scraps and vibration lines are easy to generate in the machining of nickel-based high-temperature alloy multi-cavity inner hole parts, the surface roughness is poor, the dimensional tolerance is not easy to guarantee, the cutter is fast in abrasion, the cutter is easy to break and the like are effectively solved, so that the machining of the nickel-based high-temperature alloy parts is not a problem which puzzles a processor any more.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A non-standard tool for machining of a nickel-based superalloy, characterized in that the non-standard tool comprises a machining section (1) and a connecting section (2), the machining section (1) and the connecting section (2) are both cylindrical, and the outer diameter of the machining section (1) is equal to the outer diameter of the connecting section (2);
the first end of the machining section (1) is provided with a plurality of tool bits (11), the outer wall of the machining section (1) is provided with spiral grooves (12), each spiral groove (12) extends along the axial direction of the machining section (1), the spiral angles of any two adjacent spiral grooves (12) are different, and one end, facing the tool bits (11), of each spiral groove (12) is located between the two spiral grooves (12);
the first end of the connecting section (2) and the second end of the processing section (1) are coaxially connected together, and the second end of the connecting section (2) is inserted on the tool shank.
2. Non-standard tool for nickel-base-superalloy machining according to claim 1, characterized in that the number of the tool bits (11) and the number of the helical grooves (12) are 4 each.
3. The non-standard tool for nickel-base superalloy machining according to claim 2, wherein the spiral groove (12) comprises a first spiral groove (121) and a second spiral groove (122), the first spiral groove (121) and the second spiral groove (122) are sequentially arranged along the outer circumferential wall of the machining section (1), the spiral angle of each first spiral groove (121) is 30-35 °, and the spiral angle of each second spiral groove (122) is 40-45 °.
4. The non-standard tool for nickel-base-superalloy machining according to claim 1, characterized in that each helical groove (12) is a conical groove, and the width of each helical groove (12) decreases in width in a direction from the outer wall of the machining section (1) to the center of the machining section (1).
5. The non-standard tool for nickel-base superalloy machining according to claim 1, wherein the non-standard tool is K55F hard material.
6. The non-standard tool for nickel-base superalloy machining according to claim 1, wherein the outer wall of the non-standard tool has a coating.
7. Non-standard tool for nickel-base-superalloy machining according to any of claims 1-6, characterized in that the diameter of the machining section (1) is 6mm, 8mm or 12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023281296.9U CN214108960U (en) | 2020-12-30 | 2020-12-30 | Non-standard cutter for machining nickel-based high-temperature alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023281296.9U CN214108960U (en) | 2020-12-30 | 2020-12-30 | Non-standard cutter for machining nickel-based high-temperature alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214108960U true CN214108960U (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023281296.9U Active CN214108960U (en) | 2020-12-30 | 2020-12-30 | Non-standard cutter for machining nickel-based high-temperature alloy |
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| Country | Link |
|---|---|
| CN (1) | CN214108960U (en) |
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- 2020-12-30 CN CN202023281296.9U patent/CN214108960U/en active Active
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