CN103242747A - Method for bonding low-pressure oil-filter outlet bushing of aeroengine - Google Patents
Method for bonding low-pressure oil-filter outlet bushing of aeroengine Download PDFInfo
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- CN103242747A CN103242747A CN2013101701983A CN201310170198A CN103242747A CN 103242747 A CN103242747 A CN 103242747A CN 2013101701983 A CN2013101701983 A CN 2013101701983A CN 201310170198 A CN201310170198 A CN 201310170198A CN 103242747 A CN103242747 A CN 103242747A
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Abstract
The invention belongs to an adhesive bonding technology, and relates to an improved method for bonding a low-pressure oil-filter outlet bushing of an aeroengine. The improved method is characterized by comprising a bonding step, namely controlling a gap; preparing before adhesive bonding; deoiling parts; performing sand blowing treatment; preheating; preparing adhesive; coating the adhesive; assembling; and curing. The adhesive (3) used in the improved method comprises four components in parts by weight: 100 parts of component A, 39.99-40.01 parts of component B, 7.99-8.01 parts of component C, and 0.49-0.51 part of component D. The invention provides the improved method for bonding the low-pressure oil-filter outlet bushing of the aeroengine, so that the adhesive bonding quality can be ensured, and the hydraulic test pass percent is increased.
Description
Technical field
The invention belongs to adhesive bonding technique, relate to the aircraft engine low pressure oil is leached mouthful improvement of lining adhering method.
Background technology
The structure that certain type aircraft engine low pressure oil leaches mouthful is referring to Fig. 1 and Fig. 2, in low pressure oil leaches mouthful 1 endoporus a lining 2 arranged, and lining 2 and low pressure oil leach mouthful 1 endoporus running fit, and bonding by the high-temp epoxy tackiness agent.The material that low pressure oil leaches mouth 1 is cast aluminium, and the material of lining 2 is the 1Cr18Ni9Ti stainless steel.Lining 2 is not more than 0.024mm with the endoporus tolerance clearance that low pressure oil leaches mouth 1.Low pressure oil after the splicing leaches mouthful assembly inner chamber and needs to carry out hydro-test with kerosene under 1.9 MPa pressure, and pressurize did not have leakage in 2 minutes for qualified, and the hydro-test qualification rate of this part is unstable always at present, average qualification rate less than 50%.Find that by analysis and research the principal element that influences the hydro-test qualification rate is bonding quality.Mainly be: the first, the splicing gap is too small: the theoretical gap of present splicing is 0.024mm to the maximum, the actual situation that the gap is almost " 0 " of glueing joint appears in assembling back easily, the colloid that originally spreads upon on the lining 2 is extruded, and it is thin excessively to cause not having glue or glue-line, and local bonding quality is poor.The second, tackiness agent is mobile excessive, is cast aluminium because low pressure oil leaches mouthful 1, and material compactness is poor, and adsorptivity is strong, tackiness agent easily caused not having glue by casting aluminium material absorption or glue-line thin excessively, local bonding quality is poor.
Summary of the invention
The objective of the invention is: propose a kind of improved aircraft engine low pressure oil and leach a mouthful lining adhering method, to guarantee bonding quality, improve the hydro-test qualification rate.
Technical scheme of the present invention is: the aircraft engine low pressure oil leaches a mouthful lining adhering method, be used for lining 2 is bonded to the endoporus that low pressure oil leaches mouth 1, lining 2 and low pressure oil leach the endoporus running fit of mouth 1, low pressure oil leaches mouth 1 and is the casting aluminium material manufacturing, and lining 2 is the manufacturing of 1Cr18Ni9Ti stainless material; It is characterized in that bonding step is as follows:
1, control gap: by mechanical workout, the control low pressure oil leaches the endoporus of mouth 1 and the tolerance clearance of lining 2 is 0.04mm～0.055mm;
2, glued joint preceding the preparation:
2.1, the temperature of working space should remain on 15 ℃～30 ℃;
2.2, the part oil removing: leaching mouthful 1 bore surface and the outside surface of lining 2 with alcohol or acetone organic solvent wiping oil removing low pressure oil, with the clean above-mentioned surface of filter paper wiping, is qualified there not to be the visible spot after the wiping;
2.3, blast handles: the outside surface of lining 2 is carried out blast handles, select 120 orders～220 purpose emergies for use, blast 3s～5s under the pressure of 0.3MPa～0.5MPa;
3, preheating: with low pressure oil leach mouthful 1 and lining 2 put into heating container and be heated to 100 ± 5 ℃, insulation 20min～30min;
4, join glue: tackiness agent 3 is high-temp epoxy tackiness agent, and it is made of A component, B component, C component and the mixing of D component, and the weight part ratio of four kinds of components is: the A component: 100 parts; B component: 39.99 parts～40.01 parts; C component: 7.99 parts～8.01 parts; D component: 0.49 part～0.51 part; After the A component put into container and be preheated to 60～80 ℃, add successively in the A component by the order of B component, C component, D component, stir 5min～10min and get final product, the tackiness agent after the preparation used in 8 hours;
5, gluing: leach the bore surface of mouth 1 and the even adhesive coating 3 of outside surface of lining 2 in low pressure oil;
6, assembling: lining 2 is assembled to low pressure oil leaches in the endoporus of mouth 1, dip in alcohol or the unnecessary glue of acetone soln wiping with absorbent cotton;
7, solidify: the low pressure oil that will assemble lining 2 leaches and is heated to 180 ± 5 ℃ and be incubated 2 hours in mouthful 1 heating container, cools to room temperature with the furnace.
The high-temp epoxy tackiness agent that is used for top described adhering method, it is characterized in that: it is made up of J-27H high-temp epoxy glue and weighting agent, J-27H high-temp epoxy glue is made of A component and B component, and weighting agent is made of C component and D component, and the weight part ratio of four kinds of components is: the A component: 100 parts; B component: 39.99 parts～40.01 parts; C component: 7.99 parts～8.01 parts; D component: 0.49 part～0.51 part; The C component is the aerosil powder, and granularity is 800 orders～1200 orders; The D component is silicon carbide, and granularity is 200 orders～300 orders.
Advantage of the present invention is: proposed a kind of improved aircraft engine low pressure oil and leached a mouthful lining adhering method, guaranteed bonding quality, improved the hydro-test qualification rate.Evidence, adopt the inventive method, low pressure oil leach mouthful lining bonding after, the hydro-test qualification rate reaches more than 95%.
Description of drawings
Fig. 1 is the structural representation that certain type aircraft engine low pressure oil leaches mouth.
Fig. 2 is the enlarged view of the local A of Fig. 1.
Embodiment
Below the present invention is described in further details.Referring to Fig. 1,2, the aircraft engine low pressure oil leaches a mouthful lining adhering method, be used for lining 2 is bonded to the endoporus that low pressure oil leaches mouth 1, lining 2 and low pressure oil leach the endoporus running fit of mouth 1, low pressure oil leaches mouth 1 and is the casting aluminium material manufacturing, and lining 2 is the manufacturing of 1Cr18Ni9Ti stainless material; It is characterized in that bonding step is as follows:
1, control gap: by mechanical workout, the control low pressure oil leaches the endoporus of mouth 1 and the tolerance clearance of lining 2 is 0.04mm～0.055mm;
2, glued joint preceding the preparation:
2.1, the temperature of working space should remain on 15 ℃～30 ℃;
2.2, the part oil removing: leaching mouthful 1 bore surface and the outside surface of lining 2 with alcohol or acetone organic solvent wiping oil removing low pressure oil, with the clean above-mentioned surface of filter paper wiping, is qualified there not to be the visible spot after the wiping;
2.3, blast handles: the outside surface of lining 2 is carried out blast handles, select 120 orders～220 purpose emergies for use, blast 3s～5s under the pressure of 0.3MPa～0.5MPa;
3, preheating: with low pressure oil leach mouthful 1 and lining 2 put into heating container and be heated to 100 ± 5 ℃, insulation 20min～30min;
4, join glue: tackiness agent 3 is high-temp epoxy tackiness agent, and it is made of A component, B component, C component and the mixing of D component, and the weight part ratio of four kinds of components is: the A component: 100 parts; B component: 39.99 parts～40.01 parts; C component: 7.99 parts～8.01 parts; D component: 0.49 part～0.51 part; After the A component put into container and be preheated to 60～80 ℃, add successively in the A component by the order of B component, C component, D component, stir 5min～10min and get final product, the tackiness agent after the preparation used in 8 hours;
5, gluing: leach the bore surface of mouth 1 and the even adhesive coating 3 of outside surface of lining 2 in low pressure oil;
6, assembling: lining 2 is assembled to low pressure oil leaches in the endoporus of mouth 1, dip in alcohol or the unnecessary glue of acetone soln wiping with absorbent cotton;
7, solidify: the low pressure oil that will assemble lining 2 leaches and is heated to 180 ± 5 ℃ and be incubated 2 hours in mouthful 1 heating container, cools to room temperature with the furnace.
The high-temp epoxy tackiness agent that is used for top described adhering method, it is characterized in that: it is made up of J-27H high-temp epoxy glue and weighting agent, J-27H high-temp epoxy glue is made of A component and B component, and weighting agent is made of C component and D component, and the weight part ratio of four kinds of components is: the A component: 100 parts; B component: 39.99 parts～40.01 parts; C component: 7.99 parts～8.01 parts; D component: 0.49 part～0.51 part; The C component is the aerosil powder, and granularity is 800 orders～1200 orders; The D component is silicon carbide, and granularity is 200 orders～300 orders.
Principle of work of the present invention is: by adjust glueing joint the gap, having carried out suitable amplification to glueing joint the gap, when guaranteeing bonding strength, having solved because glueing joint the too small glue-line that causes in gap and having crossed thin or do not have the problem that the phenomenon of glue-line takes place repeatedly; And by strengthening the ratio of C, D component, it is suitable to modulate viscosity, is more suitable for the joint cement that low pressure oil leaches mouthful stainless material and casting aluminium material splicing.
Embodiment 1: 11 sleeve bushings 2 and low pressure oil are leached mouth 1 glued joint processing, the concrete operations step is as follows:
1, control gap: by mechanical workout, the control low pressure oil leaches the endoporus of mouth 1 and the tolerance clearance of lining 2 is 0.04mm;
2, glued joint preceding the preparation:
2.1,15 ℃ of the temperature of working space;
2.2, the part oil removing: leaching mouthful 1 bore surface and the outside surface of lining 2 with alcohol or acetone organic solvent wiping oil removing low pressure oil, with the clean above-mentioned surface of filter paper wiping, is qualified there not to be the visible spot after the wiping;
2.3, blast handles: the outside surface of lining 2 is carried out blast handles, select 120 purpose emergies for use, blast 3s under the pressure of 0.5MPa.
3, preheating: with low pressure oil leach mouthful 1 and lining 2 put into heating container and be heated to 95 ℃, insulation 30min;
4, join glue: tackiness agent 3 is high-temp epoxy tackiness agent, and it is made of A component, B component, C component and the mixing of D component, and the weight part ratio of four kinds of components is: the A component: 100 parts; B component: 39.99 parts; C component: 7.99 parts; D component: 0.49 part.After the A component put into container and be preheated to 60 ℃, add successively in the A component by the order of B component, C component, D component, stir 10min and get final product, the tackiness agent after the preparation used in 8 hours;
5, gluing: leach the bore surface of mouth 1 and the even adhesive coating 3 of outside surface of lining 2 in low pressure oil;
6, assembling: lining 2 is assembled to low pressure oil leaches in the endoporus of mouth 1, dip in alcohol or the unnecessary glue of acetone soln wiping with absorbent cotton;
7, solidify: the low pressure oil that will assemble lining 2 leaches and is heated to 175 ℃ and be incubated 2 hours in mouthful 1 heating container, cools to room temperature with the furnace.
Finally, carry out hydro-test to glueing joint good assembly, qualified 11,0 of leakage of oil, qualification rate is 100%.
Embodiment 2: 25 sleeve bushings 2 and low pressure oil are leached mouth 1 glued joint processing, the concrete operations step is as follows:
1, control gap: by mechanical workout, the control low pressure oil leaches the endoporus of mouth 1 and the tolerance clearance of lining 2 is 0.047mm;
2, glued joint preceding the preparation:
2.1, the temperature of working space should remain on 20 ℃;
2.2, the part oil removing: leaching mouthful 1 bore surface and the outside surface of lining 2 with alcohol or acetone organic solvent wiping oil removing low pressure oil, with the clean above-mentioned surface of filter paper wiping, is qualified there not to be the visible spot after the wiping;
2.3, blast handles: the outside surface of lining 2 is carried out blast handles, select 180 purpose emergies for use, blast 4s under the pressure of 0.35MPa;
3, preheating: with low pressure oil leach mouthful 1 and lining 2 put into heating container and be heated to 100 ℃, insulation 25min;
4, join glue: tackiness agent 3 is high-temp epoxy tackiness agent, and it is made of A component, B component, C component and the mixing of D component, and the weight part ratio of four kinds of components is: the A component: 100 parts; B component: 40 parts; C component: 8 parts; D component: 5 parts;
After the A component put into container and be preheated to 70 ℃, add successively in the A component by the order of B component, C component, D component, stir 7min and get final product, the tackiness agent after the preparation used in 8 hours;
5, gluing: leach the bore surface of mouth 1 and the even adhesive coating 3 of outside surface of lining 2 in low pressure oil;
6, assembling: lining 2 is assembled to low pressure oil leaches in the endoporus of mouth 1, dip in alcohol or the unnecessary glue of acetone soln wiping with absorbent cotton;
7, solidify: the low pressure oil that will assemble lining 2 leaches and is heated to 180 ℃ and be incubated 2 hours in mouthful 1 heating container, cools to room temperature with the furnace.
Finally, carry out hydro-test to glueing joint good assembly, qualified 24,1 of leakage of oil, qualification rate is 96%.
Embodiment 3: 20 sleeve bushings 2 and low pressure oil are leached mouth 1 glued joint processing, the concrete operations step is as follows:
1, control gap: by mechanical workout, the control low pressure oil leaches the endoporus of mouth 1 and the tolerance clearance of lining 2 is 0.055mm;
2, glued joint preceding the preparation:
2.1, the temperature of working space should remain on 25 ℃;
2.2, the part oil removing: leaching mouthful 1 bore surface and the outside surface of lining 2 with alcohol or acetone organic solvent wiping oil removing low pressure oil, with the clean above-mentioned surface of filter paper wiping, is qualified there not to be the visible spot after the wiping;
2.3, blast handles: the outside surface of lining 2 is carried out blast handles, select 200 purpose emergies for use, blast 5s under the pressure of 0.5MPa;
3, preheating: with low pressure oil leach mouthful 1 and lining 2 put into heating container and be heated to 105 ℃, insulation 20min;
4, join glue: tackiness agent 3 is high-temp epoxy tackiness agent, and it is made of A component, B component, C component and the mixing of D component, and the weight part ratio of four kinds of components is: the A component: 100 parts; B component: 40.01 parts; C component: 8.01 parts; D component: 5.01 parts; After the A component put into container and be preheated to 80 ℃, add successively in the A component by the order of B component, C component, D component, stir 5min and get final product, the tackiness agent after the preparation used in 8 hours;
5, gluing: leach the bore surface of mouth 1 and the even adhesive coating 3 of outside surface of lining 2 in low pressure oil;
6, assembling: lining 2 is assembled to low pressure oil leaches in the endoporus of mouth 1, dip in alcohol or the unnecessary glue of acetone soln wiping with absorbent cotton;
7, solidify: the low pressure oil that will assemble lining 2 leaches and is heated to 185 ℃ and be incubated 2 hours in mouthful 1 heating container, cools to room temperature with the furnace.
Finally, carry out hydro-test to glueing joint good assembly, qualified 20,0 of leakage of oil, qualification rate is 100%.
Claims (2)
1. the aircraft engine low pressure oil leaches a mouthful lining adhering method, be used for lining (2) is bonded to the endoporus that low pressure oil leaches mouthful (1), lining (2) and low pressure oil leach the endoporus running fit of mouthful (1), low pressure oil leaches mouthful (1) and is the casting aluminium material manufacturing, and lining (2) is made for the 1Cr18Ni9Ti stainless material; It is characterized in that bonding step is as follows:
1.1, control gap: by mechanical workout, the control low pressure oil leaches the endoporus of mouthful (1) and the tolerance clearance of lining (2) is 0.04mm～0.055mm;
1.2, prepare before glueing joint:
1.2.1, the temperature of working space should remain on 15 ℃～30 ℃;
1.2.2, the part oil removing: leaching the bore surface of mouthful (1) and the outside surface of lining (2) with alcohol or acetone organic solvent wiping oil removing low pressure oil, with the clean above-mentioned surface of filter paper wiping, is qualified there not to be the visible spot after the wiping;
1.2.3, blast handles: the outside surface of lining (2) is carried out blast handles, select 120 orders～220 purpose emergies for use, blast 3s～5s under the pressure of 0.3MPa～0.5MPa;
1.3, preheating: low pressure oil is leached mouthful (1) and lining (2) puts into heating container and be heated to 100 ± 5 ℃, be incubated 20min～30min;
1.4, join glue: tackiness agent (3) is the high-temp epoxy tackiness agent, and it is mixed by A component, B component, C component and D component and constitutes, and the weight part ratio of four kinds of components is:
A component: 100 parts;
B component: 39.99 parts～40.01 parts;
C component: 7.99 parts～8.01 parts;
D component: 0.49 part～0.51 part;
After the A component put into container and be preheated to 60 ℃～80 ℃, add successively in the A component by the order of B component, C component, D component, stir 5min～10min and get final product, the tackiness agent after the preparation used in 8 hours;
1.5, gluing: leach the bore surface of mouthful (1) and the even adhesive coating of outside surface (3) of lining (2) in low pressure oil;
1.6, assembling: lining (2) is assembled to low pressure oil leaches in the endoporus of mouthful (1), dip in alcohol or the unnecessary glue of acetone soln wiping with absorbent cotton;
1.7, solidify: the low pressure oil that will assemble lining (2) leaches and is heated to 180 ± 5 ℃ and be incubated 2 hours in mouthful (1) heating container, cools to room temperature with the furnace.
2. the high-temp epoxy tackiness agent that is used for the described adhering method of claim 1, it is characterized in that: it is made up of J-27H high-temp epoxy glue and weighting agent, J-27H high-temp epoxy glue is made of A component and B component, weighting agent is made of C component and D component, and the weight part ratio of four kinds of components is: the A component: 100 parts; B component: 39.99 parts～40.01 parts; C component: 7.99 parts～8.01 parts; D component: 0.49 part～0.51 part; The C component is the aerosil powder, and granularity is 800 orders～1200 orders; The D component is silicon carbide, and granularity is 200 orders～300 orders.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101701983A CN103242747A (en) | 2013-05-10 | 2013-05-10 | Method for bonding low-pressure oil-filter outlet bushing of aeroengine |
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| CN2013101701983A CN103242747A (en) | 2013-05-10 | 2013-05-10 | Method for bonding low-pressure oil-filter outlet bushing of aeroengine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106634643A (en) * | 2015-11-03 | 2017-05-10 | 株洲时代新材料科技股份有限公司 | Surface treatment method capable of increasing bonding performance of metal and silicone rubber |
| CN106626413A (en) * | 2016-12-28 | 2017-05-10 | 黑龙江省科学院石油化学研究院 | Laying and bonding method for aircraft engine fan easily-torn ring and cartridge receiver |
| CN108000887A (en) * | 2017-11-02 | 2018-05-08 | 中国航发哈尔滨东安发动机有限公司 | Helicopter aluminum alloy casing outer hoop adhering method |
| CN109649688A (en) * | 2018-12-27 | 2019-04-19 | 上海复合材料科技有限公司 | Compress relieving mechanism clamping sleeve and preparation method thereof |
| CN110280968A (en) * | 2019-05-23 | 2019-09-27 | 中国人民解放军第五七一九工厂 | A kind of motor oil pump group composite material lining repairs dress method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106634643A (en) * | 2015-11-03 | 2017-05-10 | 株洲时代新材料科技股份有限公司 | Surface treatment method capable of increasing bonding performance of metal and silicone rubber |
| CN106626413A (en) * | 2016-12-28 | 2017-05-10 | 黑龙江省科学院石油化学研究院 | Laying and bonding method for aircraft engine fan easily-torn ring and cartridge receiver |
| CN108000887A (en) * | 2017-11-02 | 2018-05-08 | 中国航发哈尔滨东安发动机有限公司 | Helicopter aluminum alloy casing outer hoop adhering method |
| CN109649688A (en) * | 2018-12-27 | 2019-04-19 | 上海复合材料科技有限公司 | Compress relieving mechanism clamping sleeve and preparation method thereof |
| CN109649688B (en) * | 2018-12-27 | 2022-07-12 | 上海复合材料科技有限公司 | Compressing sleeve for compressing and releasing mechanism and preparation method thereof |
| CN110280968A (en) * | 2019-05-23 | 2019-09-27 | 中国人民解放军第五七一九工厂 | A kind of motor oil pump group composite material lining repairs dress method |
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Application publication date: 20130814 |