CN105269050A - Oil-gas mixing injection, lubricating and milling technology for high-intensity steel aerospace structure - Google Patents
Oil-gas mixing injection, lubricating and milling technology for high-intensity steel aerospace structure Download PDFInfo
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- CN105269050A CN105269050A CN201510867592.1A CN201510867592A CN105269050A CN 105269050 A CN105269050 A CN 105269050A CN 201510867592 A CN201510867592 A CN 201510867592A CN 105269050 A CN105269050 A CN 105269050A
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- oil
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- 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
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- 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
Abstract
The invention relates to the field of high-intensity steel aerospace structure machining, and in particular relates to an oil-gas mixing injection, lubricating and milling technology for a high-intensity steel aerospace structure. The technology comprises the following steps: A, mounting the high-intensity steel aerospace structure to be machined on a working table, positioning the structure, and establishing a coordinate system; B, arranging a milling cutter, and arranging two injection devices around the milling cutter on the basis of the coordinate system; and C, performing milling machining, and injecting oil-gas mixing spray to the machining part from two directions by the injection devices for cooling and slag discharging. The invention aims at providing the oil-gas mixing injection, lubricating and milling technology for the high-intensity steel aerospace structure, which can enhance the cooling effect and reduce the phenomenon of built-up edges.
Description
Technical field
The present invention relates to high strength steel aerospace component manufacture field, particularly a kind of high strength steel aerospace component air-fuel mixture jet lubrication milling technology.
Background technology
In the machining of traditional approach, can produce heat and cutting swarf, can cause harmful effect after heat exceeds certain limit, cutting swarf is accumulative too much also can result in blockage, and affects the processing of workpiece;
So, in the prior art, in machining, cutter can be followed by constantly or indirectly, spray mineral oil, realize cooling, meanwhile, rinse cutting fluid;
But mineral oil is after using, a large amount of mineral oil extremely not easily reclaims and processes, and the complex mixture that waste mineral oil is made up of many kinds of substance, Main Ingredients and Appearance has the alkane, polycyclic aromatic hydrocarbon (PAHS), alkene, benzene homologues, phenols etc. of C15-C36, once enter external environment, serious environmental pollution will be caused;
Propose now a kind of theory of DRY CUTTING in the art, but specifically to implement in practice, also have very many problems, be the field of a unusual unexpected winner substantially, everybody is in development;
And at aviation field, also so problem is related to, in this field, the utilization rate of high strength steel is very high, use conventional method processing high strength steel workpiece, also there will be described pollution problem, now in this DRY CUTTING field, everybody is also in trial, substantially using maximum is arrange a vortex tube, followed by cutter to move, injection cold air is carried out facing to processing place, but in actual use procedure, although reach cooling-down effect, but also have unstable built-up edge phenomenon to occur, and, all there is different dead angles in cooling and chip removal, cause processing and instability thereof, the high strength steel workpiece processing quality of aviation field can not get ensureing.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency existing in prior art, provide a kind of for high strength steel aerospace component, the high strength steel aerospace component air-fuel mixture jet lubrication milling technology improving cooling effect, minimizing built-up edge phenomenon.
In order to realize foregoing invention object, the invention provides following technical scheme:
A kind of high strength steel aerospace component air-fuel mixture jet lubrication milling technology, the steps include:
A, high strength steel aerospace component to be processed is installed on workbench, positions, create coordinate system;
B, milling cutter is set, and two injection apparatus are set based on described coordinate system around milling cutter;
C, carry out Milling Machining, described injection apparatus sprays air-fuel mixture spraying from both direction to processing simultaneously, for cooling and chip removal.
As described in the background art, at aviation field, particularly high strength steel aerospace component manufacture field, the concept of DRY CUTTING or one extremely unexpected winner, everybody is also in development, the scheme of the application, in actual experiment, achieve good effect;
First, this material of high strength steel, add man-hour, very large heat can be produced, but, its fusing point is general not high again, special in aviation field, the high strength steel that this field adopts is not generally for hot environment, what pursue is light and high intensity, rigidity, so its fusing point major part is even also low than ordinary circumstance, so, work in-process, the bad control of heat that milling position produces, be very easy to temperature too high, cause the distortion of workpiece, so, the vortex tube of theoretic use is conveniently lowered the temperature, through practice, effect is not very desirable, there is certain cooling dead angle,
Secondly, because the hardness of part high strength steel, the parameter of plasticity are not very desirable, still there is certain probability to produce built-up edge, add above-mentioned temperature problem, have violent flow of metal, very easily produce built-up edge;
Meanwhile, if only cooled with vortex tube, the bad control of skin-friction force of milling cutter and workpiece, compares more strong friction when very easily producing peace, produces built-up edge;
After a series of research and development, determine the technical scheme of the application, use the coordinate system that unified, in milling cutter surrounding, two described injection apparatus are set, for in the high strength steel material processing of aerospace component, optimum, in actual parameter display, as prior art, only arrange 1, covering for Milling Machining place still has certain dead angle, in cooling, also be the processing that can meet high strength steel aerospace component reluctantly in fact, but it is as described above, the high strength steel aerospace component of aviation field is very high to the control overflow of temperature, adopt 1 injection apparatus, this injection apparatus must cover the radian of 360 °, with the mode spraying of taper, scope is still larger, but be difficult to guarantee 360 ° without dead angle, less stable in actual processing, the temperature that easy appearance is above-mentioned, (the application adopts the mode of oil and cold air to also have the problem of frictional force, can oil be controlled in certain limit, reduce the friction between workpiece and milling cutter, prevent because the excessive generation built-up edge of friction, simultaneously, pollution large as before can not be caused again),
In actual parameter display, arrange three, effectively can cover the region of Milling Machining, but in practical operation, there are some drawbacks because of too intensive again in the control for injection apparatus, coverage is too large, to such an extent as to the intersection of some scopes, the amount of spraying is too much, cause oil waste, cause unnecessary more than pollution, simultaneously, the spraying of infall is overlapping, wayward, easily produce excessive pressure, can built-up edge be caused on the contrary;
So, finally, according to the effect of actual experiment, this programme is for the workpiece of this special dimension of high strength steel aerospace component, adopt the patten's design of the application, use unified coordinate system, two injection apparatus are set around milling cutter, there will not be the above-mentioned shortcoming that 1 and three are set, all parameters are all just suitable, processing effect is also ideal, in reality processing, built-up edge there will not be substantially, and product control is highly stable, cooling effect is also fine, the control of parameters, the pressure of such as spraying, the adjustment of oil mass, all a most suitable scope, so, in reality processing, at least current, at high strength steel aerospace component manufacture field, this mode is in most preferably ranks.
As preferred version of the present invention, in step C, vapo(u)rizing temperature is less than-5 °, and temperature is lower, and cooling-down effect is better.
As preferred version of the present invention, in step C, in described air-fuel mixture spraying, the flow of oil is 10-14ml/h, parameter selected in actual use, in this section of parameter, through the monitoring to actual process, effect is best, can match with the set-up mode of two injection apparatus, prevent the formation of built-up edge preferably, meanwhile, reduce the pollution of waste oil.
As preferred version of the present invention, in step C, the flow of oil is 12-14ml/h.
As preferred version of the present invention, in step C, the flow of oil is 10-12ml/h.
As preferred version of the present invention, in step B, described two injection apparatus are symmetric with adjacent, and arrange more symmetrical, parameters better controls.
As preferred version of the present invention, in step B, when milling cutter is set, described injection apparatus all arranges mobile device, for adjusting the radian between adjacent injection apparatus position, during Milling Process, because the path of processing is different, milling cutter is also had to rotate existence direction, so the temperature at each position is different, that is, the distribution of temperature is different, so, if according to the situation of reality, undertaken adjusting that (temperature of such as certain is higher by described mobile device, mobile adjacent sprayer unit is near this place, when ensureing that overall cooling covers, strengthen the cooling to this point), whole workpiece can be made to keep a reasonable integrality, can not cause by heat rating asymmetric because cooling-down effect is different, finally cause the situation of the not up to standard or inadequate optimization of the performance parameter of end product entirety.
As preferred version of the present invention, in step B, when milling cutter is set, described injection apparatus all arranges whirligig, for adjusting the setting angle of single injection apparatus, change spraying towards, during Milling Process, because the path of processing is different, milling cutter is also had to rotate existence direction, so the temperature at each position is different, that is, the distribution of temperature is different, so, if according to the situation of reality, undertaken adjusting that (temperature of such as certain is higher by described whirligig, rotate adjacent sprayer unit, its spray direction is adjusted to this place, when ensureing that overall cooling covers, strengthen the cooling to this point), whole workpiece can be made to keep a reasonable integrality, can not cause by heat rating asymmetric because cooling-down effect is different, finally cause the situation of the not up to standard or inadequate optimization of the performance parameter of end product entirety.
compared with prior art, beneficial effect of the present invention:
For high strength steel aerospace component, improve cooling effect, minimizing built-up edge phenomenon.
accompanying drawing illustrates:
Fig. 1 is the schematic diagram of the application's scheme.
Detailed description of the invention
Below in conjunction with embodiment and detailed description of the invention, the present invention is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
embodiment 1
As Fig. 1, a kind of high strength steel aerospace component air-fuel mixture jet lubrication milling technology, the steps include:
A, high strength steel aerospace component to be processed is installed on workbench, positions, create coordinate system;
B, arrange milling cutter, and based on described coordinate system, arrange two injection apparatus around milling cutter, described two injection apparatus are symmetric with adjacent;
C, carry out Milling Machining, described injection apparatus sprays air-fuel mixture spraying from both direction to processing simultaneously, and for cooling and chip removal, vapo(u)rizing temperature is less than-5 °, and in described air-fuel mixture spraying, oily flow is 10-14ml/h.
In the present embodiment, injection apparatus adopts the combination of vortex tube and a kind of oil dripping device, but concrete structure is just underground here, is a set of brand-new organization plan, uses this structure, complete the technical scheme of the present embodiment;
In the step B of the present embodiment, when milling cutter is set, described injection apparatus all arranges mobile device, for adjusting the radian between adjacent injection apparatus position, and the oil used in injection apparatus, the oil namely in spraying is vegetable oil, compare mineral oil, pollute much lower, although cost is high, because have employed the mode of the present embodiment, use amount is very little, so overall cost is still much lower than using mineral oil in prior art, and convenient process after using, pollution-free.
Concrete, in the present embodiment, in the processing of the high strength steel aerospace component of aviation field, adopt the milling cutter of ￠ 20, cutting depth 3mm, rotating speed 4000r/min, meanwhile, and the input pressure > 0.7Mpa of the injection apparatus of this cover parameter matching, output pressure controls at 0.3 ~ 0.5Mpa, vapo(u)rizing temperature is less than-5 °, is greater than-15 °, tool feeding speed 2.5M/min;
In the process of reality, under this cover parameter, processing effect is very good, and cooling-down effect is desirable, be not only the cooling-down effect in processing, after machining, the performance of whole workpiece is all very good simultaneously, and in process, do not occur the phenomenon of built-up edge, machining state is highly stable.
embodiment 2
In the present embodiment, except the technical scheme identical with embodiment 1, in step C, the flow of oil is 12-14ml/h.
In the step B of the present embodiment, when arranging milling cutter, and step in embodiment 1 is different, and described injection apparatus all arranges whirligig (instead of described mobile device), for adjusting the setting angle of single injection apparatus, change spraying towards.
embodiment 3
In the present embodiment, except the technical scheme identical with embodiment 1, in step C, the flow of oil is 10-12ml/h.
embodiment 4
In the present embodiment, except the technical scheme identical with embodiment 1, in step C, the flow of oil is 12ml/h, and in actual process, this flow of oil is at 8-12ml/h within the scope of this, the processing effect of high strength steel aerospace component, relative to other values within the scope of this, is optimum.
In the present embodiment, in the processing of the high strength steel aerospace component of aviation field, adopt the milling cutter of ￠ 20, cutting depth 3mm, rotating speed 4000r/min, simultaneously, with the input pressure > 0.7Mpa of the injection apparatus of this cover parameter matching, output pressure controls at 0.3 ~ 0.5Mpa, and vapo(u)rizing temperature is less than-5 °, be greater than-15 °, tool feeding speed 2.5M/min;
In the process of reality, when the flow of oil is 12ml/h, under this cover parameter, processing effect is very good, and cooling-down effect is desirable, be not only the cooling-down effect in processing, after machining, the performance of whole workpiece is all very good simultaneously, and in process, do not occur the phenomenon of built-up edge, machining state is highly stable.
Claims (8)
1. a high strength steel aerospace component air-fuel mixture jet lubrication milling technology, is characterized in that, step is:
High strength steel aerospace component to be processed is installed on workbench, positions, create coordinate system;
Milling cutter is set, and two injection apparatus are set based on described coordinate system around milling cutter;
Carry out Milling Machining, described injection apparatus sprays air-fuel mixture spraying from both direction to processing simultaneously, for cooling and chip removal.
2. high strength steel aerospace component air-fuel mixture jet lubrication milling technology according to claim 1, it is characterized in that, in step C, vapo(u)rizing temperature is less than-5 °.
3. high strength steel aerospace component air-fuel mixture jet lubrication milling technology according to claim 1, is characterized in that, in step C, in described air-fuel mixture spraying, the flow of oil is 10-14ml/h.
4. high strength steel aerospace component air-fuel mixture jet lubrication milling technology according to claim 3, is characterized in that, in step C, the flow of oil is 12-14ml/h.
5. high strength steel aerospace component air-fuel mixture jet lubrication milling technology according to claim 3, is characterized in that, in step C, the flow of oil is 10-12ml/h.
6. high strength steel aerospace component air-fuel mixture jet lubrication milling technology according to claim 1, is characterized in that, in step B, described two injection apparatus with adjacent be 180 ° symmetrical.
7. high strength steel aerospace component air-fuel mixture jet lubrication milling technology according to claim 6, it is characterized in that, in step B, when milling cutter is set, described injection apparatus all arranges mobile device, for adjusting the radian between adjacent injection apparatus position.
8. high strength steel aerospace component air-fuel mixture jet lubrication milling technology according to claim 6, is characterized in that, in step B, when milling cutter is set, described injection apparatus all arranges whirligig, for adjusting the setting angle of single injection apparatus, change spraying towards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867592.1A CN105269050A (en) | 2015-12-02 | 2015-12-02 | Oil-gas mixing injection, lubricating and milling technology for high-intensity steel aerospace structure |
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| CN201510867592.1A CN105269050A (en) | 2015-12-02 | 2015-12-02 | Oil-gas mixing injection, lubricating and milling technology for high-intensity steel aerospace structure |
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| CN204525028U (en) * | 2015-04-16 | 2015-08-05 | 临沂晋安机械有限公司 | Pivoting support mill teeth cooling system |
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Patent Citations (11)
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| US5678466A (en) * | 1993-03-22 | 1997-10-21 | Wahl; Wilfried | Process and a device for lubricating and cooling cutting edges and/or workpieces in machining processes with chip removal, and their use in sawing machines |
| CN1247116A (en) * | 1998-09-08 | 2000-03-15 | 株式会社爱克雷库 | Processing method |
| CN1247117A (en) * | 1998-09-08 | 2000-03-15 | 株式会社爱克雷库 | Processing method and adopted fog-shape body feeding appts. |
| JP2003191158A (en) * | 2000-11-24 | 2003-07-08 | Sumitomo Special Metals Co Ltd | Method for cutting rare earth metal alloy, method for manufacturing rare earth metal magnet and wire saw device |
| CN101448589A (en) * | 2006-05-26 | 2009-06-03 | Sms迪马格股份公司 | Device and method for producing a metal strip by continuous casting |
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Application publication date: 20160127 |