CN116493873B - Precise machining process for raised grains - Google Patents
Precise machining process for raised grains Download PDFInfo
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- CN116493873B CN116493873B CN202310744614.XA CN202310744614A CN116493873B CN 116493873 B CN116493873 B CN 116493873B CN 202310744614 A CN202310744614 A CN 202310744614A CN 116493873 B CN116493873 B CN 116493873B
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- 238000003754 machining Methods 0.000 title claims abstract description 67
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 238000003801 milling Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
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Abstract
The invention provides a precise machining process of a raised grain, which is applied to precise cutting of a shutter mould, and comprises the steps of determining a machining surface of the shutter mould, and performing semi-finishing on the machining surface by adopting a first cutter to obtain an arc-shaped surface; performing intermittent rough machining on the arc-shaped surface by adopting a second cutter to obtain a plurality of grooves and wavy surfaces formed by mutually staggered humps; machining the bottom surface of the groove and the two side surfaces of the groove by adopting a second cutter; machining the root of the groove by adopting a second cutter; adopting a second cutter to finish machining on the surface of the hump, the bottom surfaces of two grooves adjacent to the hump and the two side surfaces of the two grooves to obtain a precise wavy surface; the finish degree of each step of processing is controlled at Ra0.2, the dimensional accuracy is controlled at 0.01mm, two specified cutters are adopted to respectively process on specified cutting surfaces of the corrugated surfaces, the effects of stability and no cutter mark are achieved, and low cost and high efficiency are achieved.
Description
Technical Field
The invention relates to the technical field of precision machining, in particular to a precise machining process for a raised grain.
Background
In the traditional machining field, complex dies and special machining equipment are generally required for the machining of the corrugated surface. These devices are expensive and difficult to operate, such as spark machining, and are therefore costly, while with CNC machining, it is possible to achieve a cheaper cost finish, but the problem arises that the tool marks of the corrugated surface cannot be joined and the finish of the corrugated surface cannot be guaranteed in CNC machining for the corrugated surface.
Disclosure of Invention
The invention mainly aims at a precise machining process for the raised grains, which solves the technical problems.
The invention provides a precise machining process of a raised grain, which is applied to precise cutting of a shutter die and comprises the following steps:
s100: determining a processing surface of a shutter mould, and performing semi-finishing on the processing surface by adopting a first cutter to obtain an arc-shaped surface;
s200: performing intermittent rough machining on the arc-shaped surface by adopting a second cutter to obtain a plurality of grooves and wavy surfaces formed by mutually staggered humps;
s300: machining the bottom surface of the groove and the two side surfaces of the groove by adopting a second cutter;
s400: machining the root of the groove by adopting a second cutter;
s500: adopting a second cutter to finish machining on the surface of the hump, the bottom surfaces of two grooves adjacent to the hump and the two side surfaces of the two grooves to obtain a precise wavy surface;
wherein, the finish degree of each step of processing is controlled at Ra0.2 and the cun-process precision is controlled at 0.01mm.
Preferably, the first cutter adopts a cutter with cutting hardness of HRC48-52 and parameter specification of D8-R4-L10-M10.
Preferably, the second cutter adopts a cutter with cutting hardness of HRC48-52 and parameter specification of D1-R0.5-L5-M1.
Preferably, the S100 includes:
s101: selecting a first cutter;
s102: regulating the rotating speed of the first cutter to 8500r/min, the feeding speed to 2500mm/min and the cutting amount of one edge to 0.147mm, wherein the surface cutting depth is 0.1mm, and the cutting step distance is 0.1mm each time;
s103: and cutting in a region milling semi-finishing mode to obtain the arc-shaped surface.
Preferably, the S200 includes:
s201: selecting a second cutter;
s202: regulating the rotating speed of the second cutter to 10000r/min, the feeding speed to 1000mm/min and the cutting amount of one edge to 0.05mm, wherein the cutting step distance is 0.02mm each time;
s203: and (3) carrying out rough machining on the arc-shaped surface in a uniform and intermittent mode to obtain a plurality of grooves and a plurality of humps which are mutually staggered to form a corrugated surface.
Preferably, the S300 includes:
s301: regulating the rotating speed of the second cutter to 10000r/min, the feeding speed to 1200mm/min and the cutting amount of one edge to 0.05mm, wherein the surface cutting depth is 0.3mm, and the cutting step distance is 0.03mm each time;
s302: semi-finishing is carried out on the bottom surface of the groove and the two side surfaces of the groove in a mode of encircling the curved surface.
Preferably, the S400 includes:
s401: regulating the rotating speed of the second cutter to 12000r/min, the feeding speed to 200mm/min and the cutting amount of one edge to 0.008mm, wherein the cutting step distance of each time is 0.02mm;
s402: and processing the root of the groove in a linear light bottom mode.
Preferably, the S500 includes:
s501: regulating the rotating speed of the second cutter to 12000r/min, the feeding speed to 900mm/min and the cutting amount of one edge to 0.037mm, wherein the cutting step distance of each time is 0.04mm;
s502: and (3) carrying out finish machining on the surface of the hump, the bottom surfaces of the two grooves adjacent to the hump and the two side surfaces of the two grooves in a region milling mode.
Preferably, the machining curve margins in S100, S200 and S300 are all 0.02.
Preferably, the machining curve margins in S400 and S500 are both 0.
The invention has the beneficial effects that: the utility model provides a precise machining process of moire, is applied to the precision cutting of shutter mould, and this precise machining process of moire includes S100: determining a processing surface of a shutter mould, and performing semi-finishing on the processing surface by adopting a first cutter to obtain an arc-shaped surface; s200: performing intermittent rough machining on the arc-shaped surface by adopting a second cutter to obtain a plurality of grooves and wavy surfaces formed by mutually staggered humps; s300: machining the bottom surface of the groove and the two side surfaces of the groove by adopting a second cutter; s400: machining the root of the groove by adopting a second cutter; s500: adopting a second cutter to finish machining on the surface of the hump, the bottom surfaces of two grooves adjacent to the hump and the two side surfaces of the two grooves to obtain a precise wavy surface; the finish degree of each step of processing is controlled at Ra0.2, the dimensional accuracy is controlled at 0.01mm, two specified cutters are adopted to respectively process on specified cutting surfaces of the corrugated surfaces, the effects of stability and no cutter mark are achieved, and compared with the traditional processing, the method has the advantages of low cost and high efficiency.
Drawings
FIG. 1 is a flow chart of a precise wave pattern machining process according to an embodiment of the invention;
FIG. 2 is a flowchart showing the refinement of S100 of the wave print precision machining process according to the embodiment of the invention;
FIG. 3 is a flowchart showing a refinement of S200 of the wave print precision machining process according to an embodiment of the present invention;
FIG. 4 is a flowchart showing a refinement of S300 of the wave print precision machining process according to the embodiment of the invention;
FIG. 5 is a detailed flowchart of S400 of the wave print precision machining process according to the embodiment of the invention;
FIG. 6 is a flowchart showing a refinement of S500 of the wave print precision machining process according to the embodiment of the invention;
FIG. 7 is a schematic view of a shutter mold according to an embodiment of the present invention;
fig. 8 is a partial enlarged view of a portion a in fig. 7.
Reference numerals in the drawings: 100 grooves, 101 groove bottom surfaces, 102 groove side surfaces, 103 groove root parts and 200 humps.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs.
The terms "first," "second," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the precise machining process of the raised grain provided by the invention is applied to precise cutting of a shutter die, and comprises the following steps:
s100: determining a processing surface of a shutter mould, and performing semi-finishing on the processing surface by adopting a first cutter to obtain an arc-shaped surface;
s200: performing intermittent rough machining on the arc-shaped surface by adopting a second cutter to obtain a wavy surface formed by a plurality of grooves 100 and a plurality of humps 200 which are mutually staggered;
s300: machining the bottom surface 101 of the groove and the two side surfaces of the groove by adopting a second cutter;
s400: machining at the root 103 of the groove by adopting a second cutter;
s500: adopting a second cutter to finish machining on the surface of the hump 200, the bottom surfaces 101 of two grooves adjacent to the hump 200 and the two side surfaces of the two grooves to obtain a precise wavy surface;
wherein, the finish degree of each step of processing is controlled at Ra0.2 and the cun-process precision is controlled at 0.01mm.
Specifically, the first cutter adopts a cutter with cutting hardness of HRC48-52 and parameter specification of D8-R4-L10-M10, and the second cutter adopts a cutter with cutting hardness of HRC48-52 and parameter specification of D1-R0.5-L5-M1.
Further, S100 includes:
s101: selecting a first cutter;
s102: regulating the rotating speed of the first cutter to 8500r/min, the feeding speed to 2500mm/min and the cutting amount of one edge to 0.147mm, wherein the surface cutting depth is 0.1mm, and the cutting step distance is 0.1mm each time;
s103: and cutting in a region milling semi-finishing mode to obtain the arc-shaped surface.
Specifically, the product processed in this embodiment is a shutter mold, and the processing in this step is semi-finishing, which aims to process a blank-arc surface of the corrugated surface and to ensure uniformity of the remaining amount of the arc surface.
Further, S200 includes:
s201: selecting a second cutter;
s202: regulating the rotating speed of the second cutter to 10000r/min, the feeding speed to 1000mm/min and the cutting amount of one edge to 0.05mm, wherein the cutting step distance is 0.02mm each time;
s203: rough machining is performed on the arc-shaped surface in a uniform and intermittent mode, so that a plurality of grooves 100 and a plurality of humps 200 are staggered to form a corrugated surface.
Specifically, the machining in this step adopts a linear rough machining mode, and the purpose of the machining in this step is to uniformly and intermittently cut a plurality of grooves 100 on an arc surface, wherein a hump 200 is a protrusion between two grooves 100, and the plurality of grooves 100 and the plurality of humps 200 are staggered to form a basic contour of a corrugated surface, and of course, according to the machining requirement of the machining precision of the surface, the finish degree of each step is controlled to be Ra0.2 and the dimensional precision is controlled to be 0.01mm, and the allowance of the surface of the grooves 100 needs to be ensured to be uniform so as to ensure the stability of the subsequent machining.
Further, S300 includes:
s301: regulating the rotating speed of the second cutter to 10000r/min, the feeding speed to 1200mm/min and the cutting amount of one edge to 0.05mm, wherein the surface cutting depth is 0.3mm, and the cutting step distance is 0.03mm each time;
s302: semi-finishing is performed on the bottom surface 101 of the groove and the two side surfaces of the groove in a mode of encircling the curved surface.
Specifically, in the step and the subsequent steps S400 and S500, both use a second cutter, which is aimed at precisely machining the corrugated surface on the shutter mold, wherein in the step S302, semi-finishing is performed on the groove 100 by adopting a mode of surrounding curved surfaces, so that the curved surfaces on both sides of the hump 200 and the bottom surface 101 of the groove are naturally transited, and the allowance is ensured to be uniform.
Further, S400 includes:
s401: regulating the rotating speed of the second cutter to 12000r/min, the feeding speed to 200mm/min and the cutting amount of one edge to 0.008mm, wherein the cutting step distance of each time is 0.02mm;
s402: the machining is performed at the root 103 of the groove in a linear optical bottom manner.
Specifically, since the semi-finishing operation is performed on both side surfaces of the groove and the bottom surface 101 of the groove, in which burrs are generated at the root 103 of the groove, the bottom finishing operation for removing the burrs is performed in S400.
Further, S500 includes:
s501: regulating the rotating speed of the second cutter to 12000r/min, the feeding speed to 900mm/min and the cutting amount of one edge to 0.037mm, wherein the cutting step distance of each time is 0.04mm;
s502: the surface of the hump 200, the bottom 101 of the two grooves adjacent to the hump 200, and both sides are finished by area milling.
Specifically, in step S500, the finish machining is performed in such a manner that the entire moire surface is precisely machined from the top surface of one hump 200, both side surfaces and bottom surfaces of one groove, the top surface of two humps 200, both side surfaces and bottom surfaces 101 of two grooves, and the top surface of three humps 200, according to the above machining manner, until the hump surface is machined to be reciprocal.
Further, the machining surface margins in S100, S200, and S300 were all 0.02.
Further, the machining surface margins in S400 and S500 are both 0.
The foregoing is merely exemplary of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the inventive concept, which fall within the scope of the invention.
Claims (3)
1. The precise machining process of the raised grain is applied to precise cutting of a shutter die and is characterized by comprising the following steps of:
s100: determining a processing surface of a shutter mould, and performing semi-finishing on the processing surface by adopting a first cutter to obtain an arc-shaped surface, wherein the first cutter adopts a cutter with cutting hardness of HRC 48-52;
s200: performing intermittent rough machining on the arc-shaped surface by adopting a second cutter to obtain a plurality of grooves and a plurality of humps which are mutually staggered to form a wavy surface, wherein the second cutter adopts a cutter with cutting hardness of HRC 48-52;
s300: machining the bottom surface of the groove and the two side surfaces of the groove by adopting a second cutter;
s400: machining the root of the groove by adopting a second cutter;
s500: adopting a second cutter to finish machining on the surface of the hump, the bottom surfaces of two grooves adjacent to the hump and the two side surfaces of the two grooves to obtain a precise wavy surface;
wherein, the finish degree of each step of processing is controlled at Ra0.2 and the dimensional accuracy is controlled at 0.01mm;
wherein, the S100 includes:
s101: selecting a first cutter;
s102: regulating the rotating speed of the first cutter to 8500r/min, the feeding speed to 2500mm/min and the cutting amount of one edge to 0.147mm, wherein the surface cutting depth is 0.1mm, and the cutting step distance is 0.1mm each time;
s103: cutting in a region milling semi-finishing mode to obtain an arc-shaped surface;
wherein, the S200 includes:
s201: selecting a second cutter;
s202: regulating the rotating speed of the second cutter to 10000r/min, the feeding speed to 1000mm/min and the cutting amount of one edge to 0.05mm, wherein the cutting step distance is 0.02mm each time;
s203: rough machining is carried out on the arc-shaped surface in a uniform and intermittent mode, so that a plurality of grooves and a plurality of humps are mutually staggered to form a corrugated surface;
wherein, the S300 includes:
s301: regulating the rotating speed of the second cutter to 10000r/min, the feeding speed to 1200mm/min and the cutting amount of one edge to 0.05mm, wherein the surface cutting depth is 0.3mm, and the cutting step distance is 0.03mm each time;
s302: semi-finishing is carried out on the bottom surface of the groove and the two side surfaces of the groove in a mode of encircling the curved surface;
wherein, the S400 includes:
s401: regulating the rotating speed of the second cutter to 12000r/min, the feeding speed to 200mm/min and the cutting amount of one edge to 0.008mm, wherein the cutting step distance of each time is 0.02mm;
s402: processing the root of the groove in a linear light bottom mode;
wherein, the S500 includes:
s501: regulating the rotating speed of the second cutter to 12000r/min, the feeding speed to 900mm/min and the cutting amount of one edge to 0.037mm, wherein the cutting step distance of each time is 0.04mm;
s502: and (3) carrying out finish machining on the surface of the hump, the bottom surfaces of the two grooves adjacent to the hump and the two side surfaces of the two grooves in a region milling mode.
2. The moire precise machining process according to claim 1, wherein the machining curve margins in S100, S200 and S300 are each 0.02.
3. The moire precise machining process according to claim 1, wherein the machining curve allowance in S400 and S500 is 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310744614.XA CN116493873B (en) | 2023-06-25 | 2023-06-25 | Precise machining process for raised grains |
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| CN202310744614.XA CN116493873B (en) | 2023-06-25 | 2023-06-25 | Precise machining process for raised grains |
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| CN116493873A CN116493873A (en) | 2023-07-28 |
| CN116493873B true CN116493873B (en) | 2023-11-21 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010076025A (en) * | 2008-09-25 | 2010-04-08 | National Institute Of Advanced Industrial Science & Technology | Precision machining method of cutting blade of rotary multi-blade tool |
| CN109227061A (en) * | 2018-11-14 | 2019-01-18 | 安徽宁国中鼎模具制造有限公司 | A kind of equal diameter dust-proof cover die processing method |
| CN209681261U (en) * | 2019-03-04 | 2019-11-26 | 威海万丰镁业科技发展有限公司 | A kind of ripple glaze machine-shaping milling cutter |
| CN115237052A (en) * | 2022-07-27 | 2022-10-25 | 安徽省宁国宁阳量清模具科技有限公司 | Method for machining wavy die |
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- 2023-06-25 CN CN202310744614.XA patent/CN116493873B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010076025A (en) * | 2008-09-25 | 2010-04-08 | National Institute Of Advanced Industrial Science & Technology | Precision machining method of cutting blade of rotary multi-blade tool |
| CN109227061A (en) * | 2018-11-14 | 2019-01-18 | 安徽宁国中鼎模具制造有限公司 | A kind of equal diameter dust-proof cover die processing method |
| CN209681261U (en) * | 2019-03-04 | 2019-11-26 | 威海万丰镁业科技发展有限公司 | A kind of ripple glaze machine-shaping milling cutter |
| CN115237052A (en) * | 2022-07-27 | 2022-10-25 | 安徽省宁国宁阳量清模具科技有限公司 | Method for machining wavy die |
Non-Patent Citations (1)
| Title |
|---|
| 全焊接板式热交换器模具加工方法;姚炜莹;胡国栋;常春梅;唐海;姚立影;;石油化工设备(第01期);正文第3小节 * |
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