CN114083030B - Surface processing technology for long-distance large-area planar workpiece - Google Patents
Surface processing technology for long-distance large-area planar workpiece Download PDFInfo
- Publication number
- CN114083030B CN114083030B CN202111556926.5A CN202111556926A CN114083030B CN 114083030 B CN114083030 B CN 114083030B CN 202111556926 A CN202111556926 A CN 202111556926A CN 114083030 B CN114083030 B CN 114083030B
- Authority
- CN
- China
- Prior art keywords
- oil
- processing
- workpiece
- long
- distance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012545 processing Methods 0.000 title claims abstract description 48
- 238000005516 engineering process Methods 0.000 title claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 238000010791 quenching Methods 0.000 claims abstract description 9
- 230000000171 quenching effect Effects 0.000 claims abstract description 9
- 230000035939 shock Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 10
- 238000003754 machining Methods 0.000 claims description 9
- 238000003801 milling Methods 0.000 claims description 5
- 230000003746 surface roughness Effects 0.000 abstract description 5
- 230000001276 controlling effect Effects 0.000 description 7
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Milling Processes (AREA)
Abstract
The invention belongs to the technical field of processing of long-distance large-area plane surface flatness, and particularly relates to a long-distance large-area plane workpiece surface processing technology, which adjusts the viscosity of cooling oil, the size of oil drops, the distance between every two oil drops, and the rotating speed and feeding of a machine tool spindle by adopting a technological scheme of oil drop cooling on the workpiece surface; the volatilization of oil drops can be realized during processing, heat is taken away, and the phenomenon of surface shock heating of parts is reduced; after processing, the surface of the part is wrapped with an oil film, so that the surface of the part is prevented from being in direct contact with air, the heat dissipation speed is slowed down, the phenomenon of quenching the surface of the part is avoided, and the thermal deformation of the part is reduced. The novel processing technology is adopted to avoid the knife connecting step caused by multi-knife processing, thereby effectively reducing the knife connecting mark to be within 0.01mm, controlling the flatness to be within 0.1mm, avoiding the knife connecting error of 0.01 mm-0.03 mm, improving the surface roughness of the processing surface and leading the processing surface to be more beautiful.
Description
Technical Field
The invention belongs to the technical field of groove machining, and particularly relates to a long-distance large-area plane workpiece surface machining process.
Background
At present, aiming at the phenomenon of poor surface flatness of a long-distance and large-area planar workpiece, a one-side multi-cutter face milling process is generally adopted, the one-side multi-cutter face milling process cannot avoid the influence of equipment such as machine tool precision, screw clearance and the like on the large-surface flatness, and the cutter receiving error caused by multi-cutter processing cannot be avoided by adopting the process, and a cutter receiving step of 0.01-0.03 mm can be generated between adjacent cutters under the conventional condition, so that the large-surface can generate the cutter receiving step of 0.01-0.03 mm, the flatness of the large-surface can only be controlled to 0.2mm, and along with the development of technology, the product requirement is improved, and the original standard cannot meet the requirements of customers.
Aiming at the improvement of the product requirement, the main reason for analyzing the cutter receiving step generated by the machined part is as follows: during machining, the cutter cuts the surface of the part to generate a sudden heating phenomenon on the surface of the part; after the processing is finished, the surface of the part is contacted with air, so that the phenomenon of rapid heat dissipation on the surface of the part is realized. The surface of the part is deformed due to the phenomenon of sudden heating and quenching and the phenomenon of uneven cooling and heating of the surface and the interior of the part. The deformation has uncertainty, so that a machining step is generated after each tool is machined.
Disclosure of Invention
The invention aims to provide a long-distance and large-area plane workpiece surface processing technology, which adopts a processing scheme of oil drop cooling on a processing surface to volatilize oil drops, take away heat and reduce the phenomenon of quenching on the surface of a part during processing. After processing, the surface of the part is wrapped with a layer of oil film, so that the direct contact between the surface of the part and air is avoided, the heat dissipation speed is reduced, the quenching phenomenon of the surface of the part is avoided, the thermal deformation of the part is reduced, the knife receiving steps of 0.01-0.03 mm brought by multi-knife processing can be effectively avoided, the flatness is controlled to be within 0.01mm, and meanwhile, the surface roughness of a processing surface is improved, so that the processing surface is more attractive.
In order to achieve the above purpose, the present invention provides the following technical solutions: the surface processing technology of the long-distance and large-area planar workpiece is characterized by comprising the following steps of: the method comprises the following steps: s1, selecting a cutter, wherein the diameter of the cutter is 200mm and 250mm of a face milling cutter;
s2, setting machine tool operation parameters, and adjusting the main shaft rotating speed s=3000-5000 r/min of the machine tool; adjusting the feeding speed F=300-500 mm/min of the machine tool; back draft m=0.2 mm;
s3, preparing cooling oil, and adjusting the viscosity mu of the cooling oil to mu=10-20 mm 2 Placing cooling liquid into a container, adjusting the size of a container drop, controlling the diameter D of cooling oil drops on a processing surface to be D=4-5 mm spherical size, and controlling the mutual distance L between every two oil drops to be L=18-20 cm;
s4, machining the workpiece, wherein when the workpiece is machined, the machine tool operates according to the parameters set in the step S2, cooling oil prepared in the step S3 is dripped on the machined surface of the workpiece, and when the workpiece is machined, the oil is volatilized by an oil dripping cooling method, so that heat is taken away, and the phenomenon of surface shock heating of the part is reduced; after processing, the surface of the part is wrapped with an oil film, so that the surface of the part is prevented from being in direct contact with air, the heat dissipation speed is slowed down, the phenomenon of sudden heating and quenching of the surface of the part is avoided, the thermal deformation of the part is further reduced, the cutter mark is effectively reduced to be within 0.01mm, and the flatness is controlled to be within 0.1 mm.
Further, in step S2, the spindle rotation speed s=4000 r/min.
Further, in step S2, the machine tool feed speed f=400 mm/min.
Further, the viscosity μ=15 mm of the cooling oil in step S3 2 /s。
Further, the diameter D of the cooling oil droplets on the working surface in step S3 is controlled to be d=4.5 mm in spherical size.
Further, in step S3, the horizontal distance L between adjacent oil droplets is controlled to l=19 cm.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts a process scheme of oil dropping cooling; adjusting the viscosity of cooling oil, the size of oil drops, the distance between every two oil drops, and the rotating speed and feeding of a machine tool spindle; the volatilization of oil drops can be realized during processing, heat is taken away, and the phenomenon of surface shock heating of parts is reduced; after processing, the surface of the part is wrapped with an oil film, so that the surface of the part is prevented from being in direct contact with air, the heat dissipation speed is slowed down, the phenomenon of quenching the surface of the part is avoided, and the thermal deformation of the part is reduced. The novel processing technology is adopted to avoid the knife connecting step caused by multi-knife processing, thereby effectively reducing the knife connecting mark to be within 0.01mm, controlling the flatness to be within 0.1mm, avoiding the knife connecting error of 0.01 mm-0.03 mm, improving the surface roughness of the processing surface and leading the processing surface to be more beautiful.
Drawings
FIG. 1 is a schematic view of the front structure of a workpiece being processed according to the present invention;
fig. 2 is a schematic side view of the present invention when processing a workpiece.
In the figure: a tool 1 and a machining surface 2.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments 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. When a parameter is expressed as a range, a preferred range, or a range bounded by a list of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when ranges of "1 to 5" are disclosed, the described ranges should be construed to include ranges of "1 to 4", "1 to 3", "1 to 2", "2 to 3" and "3 to 4", "4 to 5" and "3 to 5", and the like. When a numerical range is described herein, unless otherwise indicated, the range is intended to include its endpoints and all integers and fractions within the range.
The invention discloses a long-distance and large-area plane workpiece surface processing technology, which specifically comprises the following steps: s1, selecting a proper cutter, wherein the cutter adopted by the invention is a face milling cutter with the diameter of 200mm or 250 mm;
s2, setting machine tool operation parameters, and adjusting the main shaft rotating speed s=3000-5000 r/min of the machine tool; adjusting the feeding speed F=300-500 mm/min of the machine tool; back draft m=0.2 mm;
s3, preparing cooling oil, and adjusting the viscosity mu of the cooling oil to mu=10-20 mm 2 Placing cooling liquid into a container, adjusting the size of a container drop, controlling the diameter D of cooling oil drops on a processing surface to be D=4-5 mm, and controlling the horizontal distance L between every two oil drops to be L=18-20 cm; l is the horizontal distance when two drops of oil fall on the work surface. S4, machining the workpiece, wherein when the workpiece is machined, the machine tool operates according to the parameters set in the step S2, cooling oil prepared in the step S3 is dripped on the machined surface of the workpiece, and when the workpiece is machined, the oil is volatilized by an oil dripping cooling method, so that heat is taken away, and the phenomenon of surface shock heating of the part is reduced; after processing, the surface of the part is wrapped with an oil film, so that the surface of the part is prevented from being in direct contact with air, the heat dissipation speed is slowed down, the phenomenon of sudden heating and quenching of the surface of the part is avoided, the thermal deformation of the part is further reduced, the cutter mark is effectively reduced to be within 0.01mm, and the flatness is controlled to be within 0.1 mm.
As a preferred embodiment of the present example, the spindle speed s=4000 r/min of the machine tool in step S2.
As a preferred embodiment of this example, the machine feed speed f=400 mm/min in step S2.
As a preferred embodiment of this example, the viscosity μ=15 mm of the cooling oil in step S3 2 /s。
As a preferred embodiment of this example, the diameter D of the cooling oil droplets in step S3 when they are applied to the work surface is controlled to a spherical size of d=4.5 mm.
As a preferred embodiment of this example, in step S3, the horizontal distance l=19 cm between each two oil droplets.
The invention adopts a method of oil drop cooling on a processing surface, and the viscosity, the oil drop size, the distance between every two oil drops, the rotating speed of a machine tool spindle and the feeding are regulated and controlled; the volatilization of oil drops can be realized during processing, heat is taken away, and the phenomenon of surface shock heating of parts is reduced; after processing, the surface of the part is wrapped with an oil film, so that the surface of the part is prevented from being in direct contact with air, the heat dissipation speed is slowed down, the phenomenon of quenching the surface of the part is avoided, and the thermal deformation of the part is reduced. The novel processing technology is adopted to avoid the knife connecting step caused by multi-knife processing, thereby effectively reducing the knife connecting mark to be within 0.01mm, controlling the flatness to be within 0.1mm, avoiding the knife connecting error of 0.01 mm-0.03 mm, improving the surface roughness of the processing surface and leading the processing surface to be more beautiful.
According to the invention, by reasonably regulating and controlling the viscosity of oil, the size of oil drops, the distance between adjacent oil drops, the rotating speed of a machine tool spindle and the feeding parameters, the cutter receiving mark is effectively reduced to be within 0.01mm, the flatness is controlled to be within 0.1mm, the cutter receiving error of 0.01-0.03 mm is avoided, and the surface roughness of a machined surface is improved. The following conclusions were also drawn by the verification: the lower the viscosity of the cooling oil, the worse the oil film forming effect on the surface of the part, the higher the viscosity, and the worse the heat dissipation effect; the size of the oil drops and the distance between adjacent oil drops determine the heat dissipation speed; the rotation speed and the feeding of the main shaft of the machine tool determine the speed of heat generated in the machining process of the machine tool. The oil drop size, the distance between adjacent oil drops and the machine speed and feed are approximately inversely proportional.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The surface processing technology of the long-distance large-area plane workpiece is characterized by comprising the following steps of: the method comprises the following steps: s1, selecting a cutter, wherein the diameter of the cutter is selected from a face milling cutter with the diameter of 200mm or 250 mm;
s2, setting machine tool operation parameters, and adjusting the main shaft rotating speed s=3000-5000 r/min of the machine tool; adjusting the feeding speed F=300-500 mm/min of the machine tool; back draft m=0.2 mm;
s3, preparing cooling oil, and adjusting the viscosity mu of the cooling oil to mu=10-20 mm 2 S, putting cooling oil into a container, adjusting the size of a container drop, controlling the diameter D of the cooling oil drop on a processing surface to be D=4-5 mm, and controlling the horizontal distance L between every two oil drops to be L=18-20 cm;
s4, machining the workpiece, wherein when the workpiece is machined, the machine tool operates according to the parameters set in the step S2, cooling oil prepared in the step S3 is dripped on the machined surface of the workpiece, and when the workpiece is machined, the oil is volatilized by an oil dripping cooling method, so that heat is taken away, and the phenomenon of surface shock heating of the part is reduced; after processing, the surface of the part is wrapped with an oil film, so that the surface of the part is prevented from being in direct contact with air, the heat dissipation speed is slowed down, the phenomenon of sudden heating and quenching of the surface of the part is avoided, the thermal deformation of the part is further reduced, the cutter mark is effectively reduced to be within 0.01mm, and the flatness is controlled to be within 0.1 mm.
2. The long-distance large-area planar workpiece surface processing process according to claim 1, wherein: in step S2, the spindle rotational speed s=4000 r/min.
3. The long-distance large-area planar workpiece surface processing process according to claim 2, wherein: in step S2 the machine feed speed f=400 mm/min.
4. A long-distance large-area planar workpiece surface processing technique according to claim 3, wherein: viscosity μ=15 mm of the cooling oil in step S3 2 /s。
5. The long-distance large-area planar workpiece surface processing technique according to claim 4, wherein: the diameter D of the cooling oil droplets on the working surface in step S3 was controlled to a spherical size of d=4.5 mm.
6. The long-distance large-area planar workpiece surface processing technique according to claim 5, wherein: in step S3, the horizontal distance L between adjacent oil droplets is controlled to l=19 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111556926.5A CN114083030B (en) | 2021-12-18 | 2021-12-18 | Surface processing technology for long-distance large-area planar workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111556926.5A CN114083030B (en) | 2021-12-18 | 2021-12-18 | Surface processing technology for long-distance large-area planar workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114083030A CN114083030A (en) | 2022-02-25 |
| CN114083030B true CN114083030B (en) | 2023-08-08 |
Family
ID=80308108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111556926.5A Active CN114083030B (en) | 2021-12-18 | 2021-12-18 | Surface processing technology for long-distance large-area planar workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114083030B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059582A (en) * | 2010-12-16 | 2011-05-18 | 宁波江丰电子材料有限公司 | Method for processing molybdenum target material |
| CN103949851A (en) * | 2014-04-16 | 2014-07-30 | 贵州凯星液力传动机械有限公司 | Processing method of aluminum alloy thin-wall cylindrical part |
| CN107553212A (en) * | 2017-10-19 | 2018-01-09 | 广东工业大学 | A kind of stainless steel cutting method under the conditions of low temperature oil on water cooling and lubricating |
| CN107553206A (en) * | 2017-10-19 | 2018-01-09 | 广东工业大学 | Cast iron Green cutting processes method under the conditions of outer cold oil on water cooling and lubricating |
| CN108356603A (en) * | 2017-12-21 | 2018-08-03 | 武汉华中数控股份有限公司 | Five-axle number control machine tool main shaft method for thermal deformation error compensation and system |
| CN210388521U (en) * | 2019-07-16 | 2020-04-24 | 天能集团（河南）能源科技有限公司 | Cutter cooling device for gravity casting machine |
| WO2020155227A1 (en) * | 2019-01-31 | 2020-08-06 | 大连理工大学 | Online geometric/thermal error measurement and compensation system for computer numerical control machine tools |
-
2021
- 2021-12-18 CN CN202111556926.5A patent/CN114083030B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059582A (en) * | 2010-12-16 | 2011-05-18 | 宁波江丰电子材料有限公司 | Method for processing molybdenum target material |
| CN103949851A (en) * | 2014-04-16 | 2014-07-30 | 贵州凯星液力传动机械有限公司 | Processing method of aluminum alloy thin-wall cylindrical part |
| CN107553212A (en) * | 2017-10-19 | 2018-01-09 | 广东工业大学 | A kind of stainless steel cutting method under the conditions of low temperature oil on water cooling and lubricating |
| CN107553206A (en) * | 2017-10-19 | 2018-01-09 | 广东工业大学 | Cast iron Green cutting processes method under the conditions of outer cold oil on water cooling and lubricating |
| CN108356603A (en) * | 2017-12-21 | 2018-08-03 | 武汉华中数控股份有限公司 | Five-axle number control machine tool main shaft method for thermal deformation error compensation and system |
| WO2020155227A1 (en) * | 2019-01-31 | 2020-08-06 | 大连理工大学 | Online geometric/thermal error measurement and compensation system for computer numerical control machine tools |
| CN210388521U (en) * | 2019-07-16 | 2020-04-24 | 天能集团（河南）能源科技有限公司 | Cutter cooling device for gravity casting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114083030A (en) | 2022-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liao et al. | Behaviors of end milling Inconel 718 superalloy by cemented carbide tools | |
| CN102303221B (en) | Method for processing female die with large square hole | |
| CN108161380A (en) | A kind of pocket machining technique of semiconductor packaging mold | |
| CN106270556A (en) | The method for turning of tungsten titanium target material | |
| CN104801935B (en) | Plane aluminium alloy abnormal shape cockpit processing method | |
| CN103317176A (en) | Processing method for parts | |
| CN105033566A (en) | Thin-wall thin-bottom product machining method suitable for numerical control machine tool | |
| CN107866569A (en) | A kind of method that fine copper tool-electrode is prepared based on selective laser smelting technology | |
| CN108406237A (en) | A kind of preparation process of mould bases | |
| CN114083030B (en) | Surface processing technology for long-distance large-area planar workpiece | |
| CN106312152A (en) | Method for machining thin-walled components | |
| CN104439452A (en) | Efficient grid milling method for inner curved surface of tapered revolving body | |
| CN104924040B (en) | A kind of processing method of plate structure part | |
| CN102528411B (en) | Method for processing cutter blades of gear hob with inserted blades | |
| CN109277786B (en) | Cutting die machining method | |
| CN105643209B (en) | A kind of processing method of cambered surface crank | |
| CN108857941A (en) | A kind of process tool and method in sized rectangular glass substrate overflow brick working standard face | |
| CN103707003A (en) | Method for machining tungsten and titanium alloy plates | |
| CN111168130B (en) | Method for milling large-scale complex-structure AF1410 steel after quenching | |
| CN107962233A (en) | A kind of adjustable broaching tool set and its manufacture method | |
| CN106392495A (en) | Machining method of flange-carried square extension sealing ring | |
| CN106334911A (en) | Machining process of hard alloy circular blade | |
| CN109530706A (en) | A kind of preparation method of numerically controlled lathe cutter high-compactness alloy | |
| CN205651056U (en) | High temperature blade processingequipment | |
| CN212551930U (en) | A surface milling cutter with adjustable roughness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |