CN117359241A - Hard processing method suitable for large boss type mold - Google Patents
Hard processing method suitable for large boss type mold Download PDFInfo
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- CN117359241A CN117359241A CN202311583494.6A CN202311583494A CN117359241A CN 117359241 A CN117359241 A CN 117359241A CN 202311583494 A CN202311583494 A CN 202311583494A CN 117359241 A CN117359241 A CN 117359241A
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- finishing
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- cutter
- side wall
- large boss
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- 238000003672 processing method Methods 0.000 title claims abstract description 18
- 238000003754 machining Methods 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005498 polishing Methods 0.000 claims abstract description 6
- 238000003801 milling Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 7
- 239000011324 bead Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
Abstract
The invention discloses a hard processing method suitable for a large boss type die, which specifically comprises the following steps: rough machining, semi-rough machining, side wall semi-finishing, plane semi-finishing, side wall finishing and plane finishing; compared with the prior art, the method increases the technical proposal of side wall semi-finishing, plane semi-finishing, side wall finishing and plane finishing. The use of sidewall semi-finishing and planar semi-finishing ensures that the sidewall and planar margins are uniform. The CBN circular nose tool with high toughness, high wear resistance and small vibration is selected for the side wall finish machining, the CBN ball tool with high rotating speed and good wear resistance is selected for the plane finish machining, the R arc of the side wall and the bottom surface of the large boss die finally machined is smooth, the whole structure is smooth and fine, no tool mark exists on the surface, polishing time is saved, and the influence on the die precision is small. For the die with high hardness, the hard processing method can effectively reduce the processing difficulty and improve the processing quality and the processing efficiency.
Description
Technical Field
The invention relates to a manufacturing process method of boss type moulds, in particular to a hard processing method suitable for large boss type moulds.
Background
Large boss-like molds in the prior art are as follows: publication (bulletin) number: the technical solution disclosed in CN 106734816A generally includes a male die, an upper die, a boss and other parts, and in the prior art, such boss type dies can be manufactured by using dies, but in general, large boss type dies are difficult to process by using a die manufacturing method due to large size, and are hard to process by using a mechanical processing method.
In the large boss die processing technology in the prior art, the processing steps are as follows: rough machining, semi-finish machining, residual material machining and finish machining; the technical defects of the large boss type die in the technical field of hard machining and mechanical machining are as follows:
1) The large boss type die is large in size, stress is difficult to release in the machining process, a boss structure is easy to break, and meanwhile, a white and bright layer is formed on the surface of the existing die due to electric discharge machining, embrittlement is easy to cause, and breakage is caused;
2) The prior large boss type die has large size fluctuation, because the discharge machining time is long and the electrode consumption is fast during machining, thereby generating large size fluctuation and influencing accurate machining and the like.
In order to solve the technical problems, a hard processing method suitable for large boss type dies, which is convenient to process and improves processing efficiency and quality, needs to be developed.
Disclosure of Invention
The invention aims at overcoming the defects in the prior art and provides a hard processing method suitable for a large boss type die; the technical scheme is as follows:
the hard processing method suitable for the large boss type die comprises the following processing steps in sequence: rough machining, semi-rough machining, side wall semi-finishing, plane semi-finishing, side wall finishing and plane finishing.
Further, the rough machining and the semi-rough machining adopt circular nose cutters, the diameter of the rough machining cutters is 6mm, the R angle of the cutters is set to be 0.3mm, the rotating speed of the cutters is set to be 5000 revolutions per minute, the feeding speed is set to be 1000mm per minute, and the feeding amount is 0.08; the diameter of the semi-rough machining tool is set to be 4mm, the R angle of the tool is set to be 0.3mm, the rotating speed of the tool is set to 7000 revolutions per minute, the feeding speed is set to 800mm/min, and the feeding amount is 0.05.
And (3) milling the surface of the large boss type die to take the shape by using two cutters D6R 0.3 and D4R 0.3 with high efficiency.
Further, the side wall semi-finishing adopts a circular nose knife for processing, the diameter of the knife is set to be 2mm, the R angle of the knife is set to be 0.3mm, the rotating speed of the knife is set to be 15000 revolutions per minute, the feeding speed is 1500mm per minute, and the feeding amount is 0.025.
And milling the side surface and bottom surface R angles of the large boss type die at one time by using a D2X R0.3 circular nose knife.
Further, the plane semi-finishing adopts a ball cutter as a processing cutter, the diameter of the cutter is set to be 1mm, the R angle of the cutter is set to be 0.5mm, the rotating speed of the cutter is set to 25000R/min, the feeding speed is set to be 1200mm/min, and the feeding amount is 0.025.
Further, the side wall finish machining adopts a CBN circular nose tool as a machining tool, the diameter of the circular nose tool is set to be 2mm, the R angle of the tool is set to be 0.3mm, the rotating speed is set to be 24000R/min, the feeding speed is set to be 1200mm/min, and the feeding amount is 0.02.
And milling the side surfaces of the large boss type die by adopting a CBN circular nose tool with the diameter of D2 and the diameter of R0.3, so that the machined side surfaces and the machined bottom surface R arc are smooth.
Further, the plane finish machining adopts a CBN ball cutter as a machining tool, the diameter of the ball cutter is set to be 1mm, the R angle of the cutter is set to be 0.5mm, the rotating speed is set to 25000 revolutions/min, the feeding speed is 1500mm/min, and the feeding amount is 0.02.
The large boss type die milled by adopting the R0.5CBN ball cutter has smooth texture and no tool mark on the surface, and the polishing time is saved.
The beneficial effects are that: the invention has the following beneficial effects: the hard processing method specifically comprises the following steps: rough machining, semi-rough machining, side wall semi-finishing, plane semi-finishing, side wall finishing and plane finishing; compared with the prior art, the technical scheme of side wall semi-finishing, plane semi-finishing, side wall finishing and plane finishing is added, and the side wall semi-finishing and plane semi-finishing are used for guaranteeing that the allowance of the side wall and the plane is uniform. The CBN circular bead cutter with high toughness, high wear resistance and small vibration is selected for the side wall finish machining, the CBN circular bead cutter with high rotating speed and good wear resistance is selected for the plane finish machining, the R arc of the side wall and the bottom surface of the large boss die finally machined is smooth, the whole structure is smooth and fine, the surface is free of tool marks, the polishing time is saved, the influence on the die precision is small, the machining difficulty can be effectively reduced for the die with high hardness, and the machining quality and the machining efficiency are improved.
Drawings
FIG. 1 is a diagram of a boss mold structure of the present invention;
FIG. 2 is a cross-sectional view of Q-Q of FIG. 1;
FIG. 3 is an enlarged view of the portion W of FIG. 1;
FIG. 4 is a process flow diagram of the present invention;
FIG. 5 is a rough tooling path diagram of the process flow of FIG. 4;
FIG. 6 is an enlarged view of FIG. 5 at (1);
FIG. 7 is an enlarged view of FIG. 5 at (2);
FIG. 8 is a schematic diagram of a semi-rough tooling path in the process flow of FIG. 4;
FIG. 9 is an enlarged view of FIG. 8 at (3);
FIG. 10 is an enlarged view of FIG. 8 at (4);
FIG. 11 is a schematic diagram of a sidewall semi-finished tool path in the process flow of FIG. 4;
FIG. 12 is an enlarged view of FIG. 11 at (5);
FIG. 13 is an enlarged view of FIG. 11 at (6);
FIG. 14 is a plan view of the semi-finished tool path of the process flow of FIG. 4;
FIG. 15 is an enlarged view of FIG. 14 at (7);
fig. 16 is an enlarged view of fig. 14 at (8).
Detailed Description
The invention will be further illustrated by the following drawings and specific examples, which are carried out on the basis of the technical solutions of the invention, it being understood that these examples are only intended to illustrate the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, a hard processing method suitable for a large boss type mold includes the following processing steps sequentially performed: rough machining, semi-rough machining, side wall semi-finishing, plane semi-finishing, side wall finishing and plane finishing.
As shown in fig. 5, 6 and 7, a rough tooling path diagram is shown; and FIGS. 8, 9 and 10 are semi-rough tooling path diagrams; the rough machining and the semi-rough machining are both performed by adopting a circular nose cutter, the diameter of the rough machining cutter is 6mm, the R angle of the cutter is set to be 0.3mm, the rotating speed of the cutter is set to be 5000 revolutions per minute, the feeding speed is set to be 1000mm per minute, and the feeding amount is 0.08; the diameter of the semi-rough machining tool is set to be 4mm, the R angle of the tool is set to be 0.3mm, the rotating speed of the tool is set to 7000 revolutions per minute, the feeding speed is set to be 800mm/min, and the feeding amount is 0.05
And (3) milling the surface of the large boss type die to take the shape by using two cutters D6R 0.3 and D4R 0.3 with high efficiency.
In the technical scheme of rough machining and semi-rough machining, the cutter is of a multi-edge structure, is relatively suitable for the technical scheme of rapid milling, can adopt a spiral angle type cutting edge, and has excellent chip removal performance.
As shown in fig. 11, 12 and 13, the side wall semi-finishing is performed by using a circular nose tool, the diameter of the tool is set to be 2mm, the R angle of the tool is set to be 0.3mm, the rotating speed of the tool is set to be 15000R/min, the feeding speed is 1500mm/min, and the feeding amount is 0.025;
and milling the side surface and bottom surface R angles of the large boss type die at one time by using a D2X R0.3 circular nose knife.
In the side wall semi-finishing and finishing process, the cutter has excellent collapse resistance and small vibration, and can effectively improve the processing precision and the allowance uniformity, thereby improving the processing quality and the processing efficiency.
The bottom surface semi-finishing adopts a ball cutter as a processing cutter, the diameter of the cutter is set to be 1mm, the R angle of the cutter is set to be 0.5mm, the rotating speed of the cutter is set to 25000R/min, the feeding speed is set to be 1200mm/min, and the feeding amount is 0.025.
The side wall finish machining adopts a CBN circular nose tool as a machining tool, the diameter of the circular nose tool is set to be 2mm, the R angle of the tool is set to be 0.3mm, the rotating speed is set to be 24000 revolutions per minute, the feeding speed is set to be 1200mm per minute, and the feeding amount is 0.02.
And milling the side surfaces of the large boss type die by adopting a D2X R0.3 circular nose knife tool, so that the machined side surfaces and the machined bottom surface R arc are flat and smooth.
As shown in fig. 14, 15 and 16, the plane finishing adopts CBN ball cutter as a machining cutter, the diameter of the ball cutter is set to 1mm, the cutter R angle is set to 0.5mm, the rotation speed is set to 25000 rpm, the feeding speed is 1500mm/min, and the feeding amount is 0.02.
And the R0.5 ball knife tool is adopted to mill the large boss type die, the texture is smooth and fine, the surface is free of knife marks, and the polishing time is saved.
In the technical scheme of plane semi-finishing and finishing, the rotating speed of the cutter is higher, the quality of the processed surface is better, the wear resistance and the processing precision are superior, and the processing quality and the processing efficiency can be improved.
The hard processing method specifically comprises the following steps: rough machining, semi-rough machining, side wall semi-finishing, plane semi-finishing, side wall finishing and plane finishing; compared with the prior art, the technical scheme of side wall semi-finishing, plane semi-finishing, side wall finishing and plane finishing is added. The use of sidewall semi-finishing and planar semi-finishing ensures that the sidewall and planar margins are uniform. The CBN circular bead cutter with high toughness, high wear resistance and small vibration is selected for the side wall finish machining, the CBN circular bead cutter with high rotating speed and good wear resistance is selected for the plane finish machining, the R arc of the side wall and the bottom surface of the large boss die finally machined is smooth, the whole structure is smooth and fine, the surface is free of tool marks, the polishing time is saved, the influence on the die precision is small, the machining difficulty can be effectively reduced for the die with high hardness, and the machining quality and the machining efficiency are improved.
The above detailed description is only a preferred embodiment of the present invention and is not intended to limit the scope of the claims, but all equivalent changes and modifications that can be made according to the protection scope of the claims are included in the scope of the claims.
Claims (6)
1. A hard processing method suitable for large boss type dies is characterized in that: the method comprises the following processing steps of: rough machining, semi-rough machining, side wall semi-finishing, plane semi-finishing, side wall finishing and plane finishing.
2. The hard processing method for large boss type mold according to claim 1, wherein: the rough machining and the semi-rough machining adopt circular nose cutters, the diameter of the rough machining cutters is 6mm, the R angle of the cutters is set to be 0.3mm, the rotating speed of the cutters is set to be 5000 revolutions per minute, the feeding speed is set to be 1000mm per minute, and the feeding amount is 0.08; the diameter of the semi-rough machining tool is set to be 4mm, the R angle of the tool is set to be 0.3mm, the rotating speed of the tool is set to 7000 revolutions per minute, the feeding speed is set to 800mm/min, and the feeding amount is 0.05.
And efficiently milling out the surface shape of the large boss type die by using two cutters of D6R 0.3 and D4R 0.3.
3. The hard processing method for large boss type mold according to claim 1, wherein: the side wall semi-finishing is carried out by adopting a circular nose knife, the diameter of the cutter is set to be 2mm, the R angle of the cutter is set to be 0.3mm, and the rotating speed of the cutter is set to be 15000 revolutions per minute; the feeding speed is set to 1500mm/min, and the feeding amount is 0.025; and milling the side surface and bottom surface R angles of the large boss type die at one time by using a D2X R0.3 circular nose knife.
4. The hard processing method for large boss type mold according to claim 1, wherein: the plane semi-finishing adopts a ball cutter as a processing cutter, the diameter of the cutter is set to be 1mm, the R angle of the cutter is set to be 0.5mm, the rotating speed of the cutter is set to 25000R/min, the feeding speed is set to be 1200mm/min, and the feeding amount is 0.025.
5. The hard processing method for large boss type mold according to claim 1, wherein: the side wall finish machining adopts a CBN circular nose knife as a machining cutter, wherein the diameter of the circular nose knife is set to be 2mm, the R angle of the cutter is set to be 0.3mm, the rotating speed is set to be 24000R/min, the feeding speed is set to be 1200mm/min, and the feeding amount is 0.02;
and milling the side surfaces of the large boss type die by adopting a D2X R0.3 circular nose knife tool, so that the machined side surfaces and the machined bottom surface R arc are flat and smooth.
6. The hard processing method for large boss type mold according to claim 1, wherein: the plane finish machining adopts a CBN ball cutter as a machining tool, the diameter of the ball cutter is set to be 1mm, the R angle of the cutter is set to be 0.5mm, the rotating speed is set to 25000R/min, the feeding speed is 1500mm/min, and the feeding amount is 0.02;
the large boss type die milled by adopting the R0.5CBN ball cutter has smooth texture and no tool mark on the surface, and the polishing time is saved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311583494.6A CN117359241A (en) | 2023-11-24 | 2023-11-24 | Hard processing method suitable for large boss type mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311583494.6A CN117359241A (en) | 2023-11-24 | 2023-11-24 | Hard processing method suitable for large boss type mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117359241A true CN117359241A (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311583494.6A Pending CN117359241A (en) | 2023-11-24 | 2023-11-24 | Hard processing method suitable for large boss type mold |
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| Country | Link |
|---|---|
| CN (1) | CN117359241A (en) |
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- 2023-11-24 CN CN202311583494.6A patent/CN117359241A/en active Pending
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