CN104625182A - Improved aluminum alloy sectional material cutting machining method and aluminum alloy sectional material - Google Patents
Improved aluminum alloy sectional material cutting machining method and aluminum alloy sectional material Download PDFInfo
- Publication number
- CN104625182A CN104625182A CN201510000008.2A CN201510000008A CN104625182A CN 104625182 A CN104625182 A CN 104625182A CN 201510000008 A CN201510000008 A CN 201510000008A CN 104625182 A CN104625182 A CN 104625182A
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- China
- Prior art keywords
- milling
- cutter
- aluminium alloy
- cutting
- alloy extrusions
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Classifications
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- 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
-
- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0952—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
- B23Q17/0966—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining by measuring a force on parts of the machine other than a motor
-
- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0952—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
- B23Q17/0971—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining by measuring mechanical vibrations of parts of the machine
-
- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0952—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
- B23Q17/0985—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining by measuring temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
- B23C2222/04—Aluminium
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention relates to the technical field of the machining of an aluminum alloy sectional material, and particularly relates to an improved aluminum alloy sectional material cutting machining method. When the aluminum alloy sectional material is milled, under the situation that the metal removal rate is constant, a smaller axial cutting depth and a greater radial cutting depth are better than a greater axial cutting depth and a smaller radial cutting depth. By adopting the improved aluminum alloy sectional material cutting machining method, on the premise of meeting the machining requirement and satisfying the conditions of a machine tool and a cutter, the feed amount and the cutting area can be further increased, so that a purpose of improving the cutting machining efficiency can be achieved.
Description
Technical field
The present invention relates to aluminium alloy extrusions processing technique field, be specifically related to a kind of cutting working method of aluminium alloy extrusions of improvement.
Background technology
China is aluminium section bar big producing country in the world, and Aluminum extrusion product, from military project and space flight and aviation material, turns to the industrial material of construction timber, civilian material and various fields, and is constantly increasing product, pattern, kind and application.
Along with the development of lathe and cutter, the precision of machining, efficiency and automaticity improve constantly, and range of application is expanding day also, thus greatly facilitates the development of modern mechanical manufacturing industry.High-rate wireless LAN can obtain higher metal-cutting waste, very high machining accuracy and good machined surface quality, therefore in modern manufacturing industry, is subject to most attention, develops very fast.
Aluminium alloy is generally classified in Cutting free rapidoprint traditionally, but aluminium alloy extrusions hardness is low, viscosity is large, chemism compared with strong, plastic deformation is large, easily there is cutter irregular wear, cutter bonding failure, finished surface burr and the extruding problems such as vestige is serious in production and processing, have a strong impact on efficiency, quality and cost that aluminum alloy part is produced.
Summary of the invention
The object of the invention is to avoid weak point of the prior art and a kind of cutting working method of the aluminium alloy extrusions of improvement improving machining efficiency, reduce costs is provided.
Object of the present invention is achieved through the following technical solutions:
A kind of cutting working method of aluminium alloy extrusions of improvement is provided, comprises the following steps:
1) this aluminium alloy extrusions is positioned on the workbench of machining tool, milling cutter feeding device controls this milling cutter and to rotate and against the side-wall outer side of this aluminium alloy extrusions, described milling cutter feeding device includes cutter, described milling cutter feeding device this workbench relative along preset path translation, and controls the amount of feeding of the relative aluminium alloy extrusions of described cutter;
2) orthogonal experimental design method is adopted, measure cutter string milling temperature signal, Milling Force signal and milling vibration signal under milling usage parameters combination, and from described string milling temperature signal, Milling Force signal and milling vibration signal, select corresponding signal maximum as the numerical value of Milling Temperature, Milling Force and the milling vibration under default milling usage parameters combination;
3) with minimum cost per unit for object function, using cutter life as constraint function, by lathe rotating speed, radial cutting-in, axially cut wide with feed speed or feed engagement in conjunction with laggard line parameter optimization, obtain the best milling usage parameters combination of cutter;
4) by inert gas cooling device, cutter is cooled;
5) the best milling usage parameters combination through optimizing in step 3) is used, by the inert gas cooling device provided in step 4), to aluminium alloy extrusions Milling Process;
6) adopt Kistler9265B, three-dimensional dynamic piezoelectric dynamometer, 5019A charge amplifier and computer data acquisition system are measured and record cutting force;
7) Mahr M1 surfagauge is adopted to measure the roughness of aluminium alloy extrusions finished surface.
Preferably, described tool selection f10mm ultrafine gain size solid end mill, corner radius is 1.5mm.
beneficial effect of the present invention:
The cutting working method of the aluminium alloy extrusions of improvement of the present invention, during milling aluminium alloy extrusions, when metal removal rate is constant, the axial cutting-in of selection of small and larger radial cutting-in ratio select larger axis to cutting-in and less radial cutting-in advantageously.During high-speed milling aluminium alloy extrusions, the axial cutting-in of selection of small not only significantly can reduce cutting force, and better suface processing quality can be obtained, from when reducing the angle Selection cutting data of cutting deformation, select larger radial cutting-in not only can reduce cutting force, and workpiece rigidity can be increased.From cutting test data, method of the present invention, under the prerequisite meeting processing request and lathe, cutter conditions permit, also can increase the amount of feeding and the area of cut further, to reach the object improving machining efficiency.
Detailed description of the invention
The invention will be further described with the following Examples.
The cutting working method of the aluminium alloy extrusions of improvement of the present invention, comprises the following steps:
1) this aluminium alloy extrusions is positioned on the workbench of machining tool, milling cutter feeding device controls this milling cutter and to rotate and against the side-wall outer side of this aluminium alloy extrusions, described milling cutter feeding device includes cutter, described milling cutter feeding device this workbench relative along preset path translation, and controls the amount of feeding of the relative aluminium alloy extrusions of described cutter;
2) orthogonal experimental design method is adopted, measure cutter string milling temperature signal, Milling Force signal and milling vibration signal under milling usage parameters combination, and from described string milling temperature signal, Milling Force signal and milling vibration signal, select corresponding signal maximum as the numerical value of Milling Temperature, Milling Force and the milling vibration under default milling usage parameters combination;
3) with minimum cost per unit for object function, using cutter life as constraint function, by lathe rotating speed, radial cutting-in, axially cut wide with feed speed or feed engagement in conjunction with laggard line parameter optimization, obtain the best milling usage parameters combination of cutter;
4) by inert gas cooling device, cutter is cooled;
5) the best milling usage parameters combination through optimizing in step 3) is used, by the inert gas cooling device provided in step 4), to aluminium alloy extrusions Milling Process;
6) adopt Kistler9265B, three-dimensional dynamic piezoelectric dynamometer, 5019A charge amplifier and computer data acquisition system are measured and record cutting force;
7) Mahr M1 surfagauge is adopted to measure the roughness of aluminium alloy extrusions finished surface.
Concrete, tool selection f10mm ultrafine gain size solid end mill, corner radius is 1.5mm.
Measurement result shows, the surface roughness Ra value of test specimen corner, a little more than the Ra value at test specimen straight flange place, has occurred oblique chatter mark in test specimen corner during upmilling; But as Ra=0.5mm, the Ra value of test specimen corner is less than the Ra value at straight flange place on the contrary, this can produce certain influence to machined surface roughness because thickness of cutting changes the Milling Force fluctuation caused, when axial cutting-in is less, along with the reduction of Milling Force, Milling Force fluctuation also reduces the impact of machined surface roughness thereupon, therefore, along with the reduction of axial cutting-in, surface roughness Ra value is on a declining curve.When adopting that comparatively large inflow ap carries out Milling Process, there is the chatter mark perpendicular to direction of feed in workpiece straight flange place, but the impact of effects on surface roughness Ra is little.
During high-speed milling aluminum alloy materials, when metal removal rate is constant, the axial cutting-in of selection of small and larger radial cutting-in ratio select larger axis to cutting-in and less radial cutting-in advantageously.During high-speed milling aluminum alloy materials, the axial cutting-in of selection of small not only significantly can reduce cutting force, and can obtain better suface processing quality.From when reducing the angle Selection cutting data of cutting deformation, select larger radial cutting-in not only can reduce cutting force, and workpiece rigidity can be increased.From cutting test data, the method for invention, under the prerequisite meeting processing request and lathe, cutter conditions permit, also can increase the amount of feeding and the area of cut, further to reach the object improving machining efficiency.
Finally should be noted that; above embodiment is only for illustration of technical scheme of the present invention but not limiting the scope of the invention; although be explained in detail the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.
Claims (2)
1. the cutting working method of the aluminium alloy extrusions of improvement, is characterized in that: comprise the following steps:
1) this aluminium alloy extrusions is positioned on the workbench of machining tool, milling cutter feeding device controls this milling cutter and to rotate and against the side-wall outer side of this aluminium alloy extrusions, described milling cutter feeding device includes cutter, described milling cutter feeding device this workbench relative along preset path translation, and controls the amount of feeding of the relative aluminium alloy extrusions of described cutter;
2) orthogonal experimental design method is adopted, measure cutter string milling temperature signal, Milling Force signal and milling vibration signal under milling usage parameters combination, and from described string milling temperature signal, Milling Force signal and milling vibration signal, select corresponding signal maximum as the numerical value of Milling Temperature, Milling Force and the milling vibration under default milling usage parameters combination;
3) with minimum cost per unit for object function, using cutter life as constraint function, by lathe rotating speed, radial cutting-in, axially cut wide with feed speed or feed engagement in conjunction with laggard line parameter optimization, obtain the best milling usage parameters combination of cutter;
4) by inert gas cooling device, cutter is cooled;
5) the best milling usage parameters combination through optimizing in step 3) is used, by the inert gas cooling device provided in step 4), to aluminium alloy extrusions Milling Process;
6) adopt Kistler9265B, three-dimensional dynamic piezoelectric dynamometer, 5019A charge amplifier and computer data acquisition system are measured and record cutting force;
7) Mahr M1 surfagauge is adopted to measure the roughness of aluminium alloy extrusions finished surface.
2. the cutting working method of the aluminium alloy extrusions of improvement according to claim 1, is characterized in that: described tool selection f10mm ultrafine gain size solid end mill, corner radius is 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510000008.2A CN104625182A (en) | 2015-01-01 | 2015-01-01 | Improved aluminum alloy sectional material cutting machining method and aluminum alloy sectional material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510000008.2A CN104625182A (en) | 2015-01-01 | 2015-01-01 | Improved aluminum alloy sectional material cutting machining method and aluminum alloy sectional material |
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| CN104625182A true CN104625182A (en) | 2015-05-20 |
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| CN201510000008.2A Pending CN104625182A (en) | 2015-01-01 | 2015-01-01 | Improved aluminum alloy sectional material cutting machining method and aluminum alloy sectional material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033764A (en) * | 2015-06-26 | 2015-11-11 | 哈尔滨理工大学 | Method for detecting quenched steel die milling stability |
| CN105290470A (en) * | 2015-11-02 | 2016-02-03 | 成都航天精诚科技有限公司 | Milling method of graphene aluminum-based composite material |
| CN105345591A (en) * | 2015-12-02 | 2016-02-24 | 四川明日宇航工业有限责任公司 | Environment-friendly cutting technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101386968A (en) * | 2008-09-19 | 2009-03-18 | 中国兵器工业第五九研究所 | Aluminium alloy element processing method after heat treatment |
| CN102108538A (en) * | 2009-12-23 | 2011-06-29 | 刘远彬 | Microarc oxidation-based surface modifying method for air-conditioner parts of vehicle |
| CN102566492A (en) * | 2012-01-13 | 2012-07-11 | 华中科技大学 | Method for forecasting maximum milling force for plunge milling of metal difficult-to-cut materials |
| CN103042261A (en) * | 2012-11-09 | 2013-04-17 | 浙江工业大学 | High-frequency micro-amplitude vibration milling test device for splicing hardened die steel |
| CN104070217A (en) * | 2014-06-19 | 2014-10-01 | 南京南车浦镇城轨车辆有限责任公司 | Method for milling and machining W-shaped proximate matter of large-scale thin-wall aluminum alloy composite material |
-
2015
- 2015-01-01 CN CN201510000008.2A patent/CN104625182A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386968A (en) * | 2008-09-19 | 2009-03-18 | 中国兵器工业第五九研究所 | Aluminium alloy element processing method after heat treatment |
| CN102108538A (en) * | 2009-12-23 | 2011-06-29 | 刘远彬 | Microarc oxidation-based surface modifying method for air-conditioner parts of vehicle |
| CN102566492A (en) * | 2012-01-13 | 2012-07-11 | 华中科技大学 | Method for forecasting maximum milling force for plunge milling of metal difficult-to-cut materials |
| CN103042261A (en) * | 2012-11-09 | 2013-04-17 | 浙江工业大学 | High-frequency micro-amplitude vibration milling test device for splicing hardened die steel |
| CN104070217A (en) * | 2014-06-19 | 2014-10-01 | 南京南车浦镇城轨车辆有限责任公司 | Method for milling and machining W-shaped proximate matter of large-scale thin-wall aluminum alloy composite material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033764A (en) * | 2015-06-26 | 2015-11-11 | 哈尔滨理工大学 | Method for detecting quenched steel die milling stability |
| CN105290470A (en) * | 2015-11-02 | 2016-02-03 | 成都航天精诚科技有限公司 | Milling method of graphene aluminum-based composite material |
| CN105345591A (en) * | 2015-12-02 | 2016-02-24 | 四川明日宇航工业有限责任公司 | Environment-friendly cutting technology |
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Application publication date: 20150520 |