CN103614600A - Method for manufacturing entire aluminum alloy cabin skeleton for windshield frame of advanced training plane - Google Patents
Method for manufacturing entire aluminum alloy cabin skeleton for windshield frame of advanced training plane Download PDFInfo
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Abstract
The invention relates to a method for manufacturing an entire aluminum alloy cabin skeleton for a windshield frame of an advanced training plane, which aims at solving the problems in the prior art that the requirement of volume production of the windshield frames of the advanced training plane cannot be met and the production efficiency is low. The method comprises steps of firstly, forging and ingoting; secondly, preparing blank of the entire aluminum alloy cabin skeleton; thirdly, stamping and forging the blank into the entire aluminum alloy cabin skeleton; fourthly, quenching, straightening, scribing, and ageing; and fifthly, sampling, checking, and packaging. According to the method, the production efficiency is improved, the cost is saved, the plasticity of the aluminum alloy cabin skeleton is improved, the production efficiency is improved by 20%, the rate of finished products is improved by 20%, and the requirement of large volume of order is met. The method is used for manufacturing the entire aluminum alloy cabin skeleton for the windshield frame of the advanced training plane.
Description
Technical field
The present invention relates to the manufacture method of the whole passenger cabin skeleton of aluminium alloy.
Background technology
Fast development along with worldwide aeronautical and space technology, new technology, novel material, novel process, new architecture, modern weapons emerges in an endless stream, effective control for space is related to nation's security, China maintains the leading position at aerospace field always, higher education machine is the novel machine that integrates trainer aircraft and air fighter, it is the main type of serving China's aviation present stage, obtain the approval of air force, the military requires aircraft windscreen framework to take without connecting method, yet but prior art can not meet the needs of higher education machine windscreen framework batch production, there is the problem that production efficiency is low simultaneously, affect the development of China's aerospace field.
Summary of the invention
The present invention will solve the needs that prior art can not meet the batch production of higher education machine windscreen framework, has the problem that production efficiency is low simultaneously, and the manufacture method of higher education machine windscreen framework with the whole passenger cabin skeleton of aluminium alloy is provided.
The manufacture method of the whole passenger cabin skeleton of aluminium alloy for higher education machine windscreen framework, specifically according to following steps, carry out:
One, by the mass percent of element, be Si:0.7%～1.2%, Fe :≤0.7%, Cu:1.8%～2.6%, Mn:0.40%～0.8%, Mg:0.40%～0.8%, Ni :≤0.10%, Zn :≤0.3%, Ti :≤0.15% and surplus be Al, the side's of casting ingot casting, the specification of square ingot casting is 420mm * 1620mm * 4000mm; Wherein, single impurity≤0.05%, total impurities≤0.15%;
The square ingot casting milling two sides of two, being prepared by step 1, is of a size of after milling face: 380mm * 1620mm * 4000mm, and reheat and be rolled, obtain being of a size of 100
+ 5* 2100
+ 20* 2850
+ 20the sheet material of mm, then carries out the defect detecting test of 100%B level, and the qualified rear clear wiping plate surface glycerine of detecting a flaw is prepared into the whole passenger cabin skeleton of aluminium alloy blank;
Three, the whole passenger cabin skeleton of aluminium alloy blank heating to the temperature of being prepared by step 2 is 450 ℃～480 ℃, then on 10000 tons of moulding presss with the punching press of whole passenger cabin punching die, with whole passenger cabin skeleton special sample, draw profile again, reserved amount of finish, the whole passenger cabin skeleton of machining is suitable for reading, repair internal surface and the outside surface of whole passenger cabin skeleton, obtain the whole passenger cabin skeleton of aluminium alloy;
Four, the whole passenger cabin skeleton of aluminium alloy step 3 being obtained quenches, and being heated to quenching temperature is 515 ℃, and soaking time is 120min, and quenching shift time is less than 30s, and quenching water temperature is 70 ℃～80 ℃; By whole passenger cabin skeleton aligning, then, by whole passenger cabin skeleton timeliness, aging temp is 160 ℃ again, and soaking time is 8h, and controlling total timeliness heat-up time is 8～14h, then goes out aging oven;
Five, the whole passenger cabin skeleton of aluminium alloy of step 4 being processed samples, checks that then vanning completes the manufacture method of aluminium alloy integral body passenger cabin skeleton for higher education machine windscreen framework.
Above-mentioned mechanical processing technique all carries out according to standard machinery processing means.
The invention has the beneficial effects as follows: the present invention adopts rolled plate to carry out bending ram moulding can effectively solve a large amount of production, delivery problems, the invention provides the manufacture method of the whole passenger cabin skeleton of aluminium alloy for batch production higher education machine windscreen framework, to solve the needs of higher education machine windscreen framework batch production, higher education machine is the New Fighter that integrates trainer aircraft and air fighter, it is the main type of serving China's aviation present stage, the present invention improves labor productivity, cost-saving, improve finished product rate, plasticity improves, the approval the present invention who obtains air force enhances productivity 40%, improve 22 percentage points of yield rates and meet user's large quantities demand.
The present invention is for the manufacture of the whole passenger cabin skeleton of aluminium alloy for higher education machine windscreen framework.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: the manufacture method of the whole passenger cabin skeleton of aluminium alloy for present embodiment higher education machine windscreen framework, specifically according to following steps, carry out:
One, by the mass percent of element, be Si:0.7%～1.2%, Fe :≤0.7%, Cu:1.8%～2.6%, Mn:0.40%～0.8%, Mg:0.40%～0.8%, Ni :≤0.10%, Zn :≤0.3%, Ti :≤0.15% and surplus be Al, cast reflectal circle ingot casting No. five, the specification of No. five reflectal circle ingot castings is Φ 720mm * 4000mm; Wherein, single impurity≤0.05%, total impurities≤0.15%;
Two, No. five reflectals circle ingot castings of being prepared by step 1 carry out railway carriage, crop, and back-end crop, then chooses by macroscopic examination the round ingot casting that low power is qualified, then cuts into woollen, and woollen specification is Φ 680mm * (2400mm+100mm); According to forging 4 vertical heart points, return former technique to forge again, forge and be of a size of 2850
+ 20mm * 2100
+ 20mm * 125
+ 10mm, then milling two sides, is of a size of after milling face: 2850
+ 20mm * 2100
+ 20mm * 100
+ 1mm, then rule, milling type, trimming, be prepared into the whole passenger cabin skeleton of aluminium alloy blank;
Three, the whole passenger cabin skeleton of aluminium alloy blank heating to the temperature of being prepared by step 2 is 450 ℃～480 ℃, then on 10000 tons of moulding presss with the punching press of whole passenger cabin punching die, with whole passenger cabin skeleton special sample, draw profile again, reserved amount of finish, the whole passenger cabin skeleton of machining is suitable for reading, repair internal surface and the outside surface of whole passenger cabin skeleton, obtain the whole passenger cabin skeleton of aluminium alloy;
Four, the whole passenger cabin skeleton of aluminium alloy step 3 being obtained quenches, and being heated to quenching temperature is 515 ℃, and soaking time is 120min, and quenching shift time is less than 30s, and quenching water temperature is 70 ℃～80 ℃; By whole passenger cabin skeleton aligning, then, by whole passenger cabin skeleton timeliness, aging temp is 160 ℃ again, and soaking time is 8h, and controlling total timeliness heat-up time is 8～14h, then goes out aging oven;
Five, the whole passenger cabin skeleton of aluminium alloy of step 4 being processed samples, checks that then vanning completes the manufacture method of aluminium alloy integral body passenger cabin skeleton for higher education machine windscreen framework.
Embodiment two: present embodiment is different from embodiment one: in step 2, forging temperature is 430 ℃～450 ℃, and soaking time is at least 9h, adopts 3000 tons of forging water pressure engine and 10000 tons of moulding press coordinating operations during forging.Other is identical with embodiment one.
Embodiment three: present embodiment is different from embodiment one: in step 2, macroscopic examination is of a size of Φ 680mm * 30mm.Other is identical with embodiment one.
Embodiment four: the manufacture method of the whole passenger cabin skeleton of aluminium alloy for present embodiment higher education machine windscreen framework, specifically according to following steps, carry out:
One, by the mass percent of element, be Si:0.7%～1.2%, Fe :≤0.7%, Cu:1.8%～2.6%, Mn:0.40%～0.8%, Mg:0.40%～0.8%, Ni :≤0.10%, Zn :≤0.3%, Ti :≤0.15% and surplus be Al, the side's of casting ingot casting, the specification of square ingot casting is 420mm * 1620mm * 4000mm; Wherein, single impurity≤0.05%, total impurities≤0.15%;
The square ingot casting milling two sides of two, being prepared by step 1, is of a size of after milling face: 380mm * 1620mm * 4000mm, and reheat and be rolled, obtain being of a size of 100
+ 5* 2100
+ 20* 2850
+ 20the sheet material of mm, then carries out the defect detecting test of 100%B level, and the qualified rear clear wiping plate surface glycerine of detecting a flaw is prepared into the whole passenger cabin skeleton of aluminium alloy blank;
Three, the whole passenger cabin skeleton of aluminium alloy blank heating to the temperature of being prepared by step 2 is 450 ℃～480 ℃, then on 10000 tons of moulding presss with the punching press of whole passenger cabin punching die, with whole passenger cabin skeleton special sample, draw profile again, reserved amount of finish, the whole passenger cabin skeleton of machining is suitable for reading, repair internal surface and the outside surface of whole passenger cabin skeleton, obtain the whole passenger cabin skeleton of aluminium alloy;
Four, the whole passenger cabin skeleton of aluminium alloy step 3 being obtained quenches, and being heated to quenching temperature is 515 ℃, and soaking time is 120min, and quenching shift time is less than 30s, and quenching water temperature is 70 ℃～80 ℃; By whole passenger cabin skeleton aligning, then, by whole passenger cabin skeleton timeliness, aging temp is 160 ℃ again, and soaking time is 8h, and controlling total timeliness heat-up time is 8～14h, then goes out aging oven;
Five, the whole passenger cabin skeleton of aluminium alloy of step 4 being processed samples, checks that then vanning completes the manufacture method of aluminium alloy integral body passenger cabin skeleton for higher education machine windscreen framework.
Embodiment five: the manufacture method of the whole passenger cabin skeleton of aluminium alloy for present embodiment higher education machine windscreen framework, specifically according to following steps, carry out:
One, by the mass percent of element, be Si:0.7%～1.2%, Fe :≤0.7%, Cu:1.8%～2.6%, Mn:0.40%～0.8%, Mg:0.40%～0.8%, Ni :≤0.10%, Zn :≤0.3%, Ti :≤0.15% and surplus be Al, the side's of casting ingot casting, the specification of square ingot casting is 520mm * 1620mm * 4000mm; Wherein, single impurity≤0.05%, total impurities≤0.15%;
The square ingot casting milling two sides of two, being prepared by step 1, is of a size of after milling face: 480mm * 1620mm * 4000mm, and reheat and be rolled, obtain being of a size of 100
+ 5* 2100
+ 20* 2850
+ 20the sheet material of mm, then carries out the defect detecting test of 100%B level, and the qualified rear clear wiping plate surface glycerine of detecting a flaw is prepared into the whole passenger cabin skeleton of aluminium alloy blank;
Three, the whole passenger cabin skeleton of aluminium alloy blank heating to the temperature of being prepared by step 2 is 450 ℃～480 ℃, then on 10000 tons of moulding presss with the punching press of whole passenger cabin punching die, with whole passenger cabin skeleton special sample, draw profile again, reserved amount of finish, the whole passenger cabin skeleton of machining is suitable for reading, repair internal surface and the outside surface of whole passenger cabin skeleton, obtain the whole passenger cabin skeleton of aluminium alloy;
Four, the whole passenger cabin skeleton of aluminium alloy step 3 being obtained quenches, and being heated to quenching temperature is 515 ℃, and soaking time is 120min, and quenching shift time is less than 30s, and quenching water temperature is 70 ℃～80 ℃; By whole passenger cabin skeleton aligning, then, by whole passenger cabin skeleton timeliness, aging temp is 160 ℃ again, and soaking time is 8h, and controlling total timeliness heat-up time is 8～14h, then goes out aging oven;
Five, the whole passenger cabin skeleton of aluminium alloy of step 4 being processed samples, checks that then vanning completes the manufacture method of aluminium alloy integral body passenger cabin skeleton for higher education machine windscreen framework.
Embodiment six: present embodiment is different from embodiment one, five or six: the mass percent Fe+Ni that presses element in step 1 :≤0.7%.Other is identical with embodiment one, five or six.
Embodiment seven: present embodiment is different from embodiment one, five or six: in step 3, impact style is: adopt aligning device, whole passenger cabin skeleton center line and punching die center line are aligned, upper pressure, when the punch of punching die patrix contacts whole passenger cabin skeleton, centering again, when definite whole passenger cabin skeleton center line and punching die center line align completely to timing, 10000 tons of moulding presss start upper pressure, when whole passenger cabin skeleton blank bends to while contacting completely with counterdie, pressurize, completes.Other is identical with embodiment one, five or six.
Embodiment eight: present embodiment is different from embodiment one, five or six: in step 4, equipment for straightening adopts 3000 tons of open die forging machines, and aligning standard is for meeting the requirement of whole passenger cabin skeleton special sample die cavity.Other is identical with embodiment one, five or six.
Embodiment nine: present embodiment is different from embodiment one, five or six: check and comprise surface inspection, dimension inspection and defect detecting test in step 5.Other is identical with embodiment one, five or six.
Embodiment ten: present embodiment is different from embodiment nine: in step 5, defect detecting test adopts contact process, and couplant is glycerine, and non-destructive testing standard is B level.Other is identical with embodiment nine.
Adopt following examples to verify beneficial effect of the present invention:
Embodiment mono-:
The manufacture method of the whole passenger cabin skeleton of aluminium alloy for a kind of higher education machine of the present embodiment windscreen framework, specifically according to following steps, carry out:
One, by the mass percent of element, be that Si:0.85%, Fe:0.45%, Cu:2.38%, Mn:0.69%, Mg:0.7%, Ni:0.05%, Zn:0.2%, Ti:0.11% and surplus are Al, cast reflectal circle ingot casting No. five, the specification of No. five reflectal circle ingot castings is Φ 720mm * 4000mm; Wherein, single impurity :≤0.05%, total impurities :≤0.15%;
Two, No. five reflectal circle ingot castings of being prepared by step 1 carry out railway carriage, crop, and back-end crop, then chooses the round ingot casting of No oxided film, then cuts into woollen by macroscopic examination, and woollen specification is Φ 680mm * 2400mm; According to forging 4 vertical heart points, return former technique to forge again, forging is of a size of 2850mm * 2100mm * 125mm, and then milling two sides, is of a size of after milling face: 2850mm * 2100mm * 100mm, rule again, milling type, trimming, be prepared into the whole passenger cabin skeleton of aluminium alloy blank;
Three, the whole passenger cabin skeleton of aluminium alloy blank heating to the temperature of being prepared by step 2 is 470 ℃, then on 10000 tons of moulding presss with the punching press of whole passenger cabin punching die, with whole passenger cabin skeleton special sample, draw profile again, reserved amount of finish, the whole passenger cabin skeleton of machining is suitable for reading, repair internal surface and the outside surface of whole passenger cabin skeleton, obtain the whole passenger cabin skeleton of aluminium alloy;
Four, the whole passenger cabin skeleton of aluminium alloy step 3 being obtained quenches, and being heated to quenching temperature is 515 ℃, and soaking time is 120min, quenching shift time 20s, and quenching water temperature is 80 ℃; By whole passenger cabin skeleton aligning, then, by whole passenger cabin skeleton timeliness, aging temp is 160 ℃ again, and soaking time is 8h, and controlling total timeliness heat-up time is 10h, then goes out aging oven;
Five, the whole passenger cabin skeleton of aluminium alloy of step 4 being processed samples, checks that then vanning completes the manufacture method of aluminium alloy integral body passenger cabin skeleton for a kind of higher education machine windscreen framework.
Wherein, in step 2, forging temperature is 450 ℃, and soaking time is 10h; In step 3, impact style is: adopt aligning device, whole passenger cabin skeleton center line and punching die center line are aligned, upper pressure, when the punch of punching die patrix contacts whole passenger cabin skeleton, centering again, when definite whole passenger cabin skeleton center line and punching die center line align completely to timing, 10000 tons of moulding presss start upper pressure, when whole passenger cabin skeleton blank bends to while contacting completely with counterdie, pressurize, completes; In step 4, equipment for straightening adopts 3000 tons of open die forging machines, and aligning standard is for meeting the requirement of whole passenger cabin skeleton special sample die cavity; In step 5, check and comprise surface inspection, dimension inspection and defect detecting test; Defect detecting test adopts contact process, and couplant is glycerine, and non-destructive testing standard is B level.
Embodiment bis-:
The manufacture method of the whole passenger cabin skeleton of aluminium alloy for the present embodiment higher education machine windscreen framework, specifically according to following steps, carry out:
One, by the mass percent of element, be that Si:0.85%, Fe:0.45%, Cu:2.38%, Mn:0.69%, Mg:0.7%, Ni:0.05%, Zn:0.2%, Ti:0.11% and surplus are Al, the side's of casting ingot casting, the specification of square ingot casting is 420mm * 1620mm * 4000mm; Wherein, single impurity≤0.05%, total impurities≤0.15%;
The square ingot casting milling two sides of two, being prepared by step 1, is of a size of after milling face: 380mm * 1620mm * 4000mm, and reheat and be rolled, obtain being of a size of 100
+ 5* 2100
+ 20* 2850
+ 20the sheet material of mm, then carries out the defect detecting test of 100%B level, and the qualified rear clear wiping plate surface glycerine of detecting a flaw is prepared into the whole passenger cabin skeleton of aluminium alloy blank;
Three, the whole passenger cabin skeleton of aluminium alloy blank heating to the temperature of being prepared by step 2 is 450 ℃～480 ℃, then on 10000 tons of moulding presss with the punching press of whole passenger cabin punching die, with whole passenger cabin skeleton special sample, draw profile again, reserved amount of finish, the whole passenger cabin skeleton of machining is suitable for reading, repair internal surface and the outside surface of whole passenger cabin skeleton, obtain the whole passenger cabin skeleton of aluminium alloy;
Four, the whole passenger cabin skeleton of aluminium alloy step 3 being obtained quenches, and being heated to quenching temperature is 515 ℃, and soaking time is 120min, and quenching shift time is less than 30s, and quenching water temperature is 70 ℃～80 ℃; By whole passenger cabin skeleton aligning, then, by whole passenger cabin skeleton timeliness, aging temp is 160 ℃ again, and soaking time is 8h, and controlling total timeliness heat-up time is 8～14h, then goes out aging oven;
Five, the whole passenger cabin skeleton of aluminium alloy of step 4 being processed samples, checks that then vanning completes the manufacture method of aluminium alloy integral body passenger cabin skeleton for higher education machine windscreen framework.
Embodiment tri-:
The manufacture method of the whole passenger cabin skeleton of aluminium alloy for the present embodiment higher education machine windscreen framework, specifically according to following steps, carry out:
One, by the mass percent of element, be that Si:0.85%, Fe:0.45%, Cu:2.38%, Mn:0.69%, Mg:0.7%, Ni:0.05%, Zn:0.2%, Ti:0.11% and surplus are Al, the side's of casting ingot casting, the specification of square ingot casting is 520mm * 1620mm * 4000mm; Wherein, single impurity≤0.05%, total impurities≤0.15%;
The square ingot casting milling two sides of two, being prepared by step 1, is of a size of after milling face: 480mm * 1620mm * 4000mm, and reheat and be rolled, obtain being of a size of 100
+ 5* 2100
+ 20* 2850
+ 20the sheet material of mm, then carries out the defect detecting test of 100%B level, and the qualified rear clear wiping plate surface glycerine of detecting a flaw is prepared into the whole passenger cabin skeleton of aluminium alloy blank;
Three, the whole passenger cabin skeleton of aluminium alloy blank heating to the temperature of being prepared by step 2 is 450 ℃～480 ℃, then on 10000 tons of moulding presss with the punching press of whole passenger cabin punching die, with whole passenger cabin skeleton special sample, draw profile again, reserved amount of finish, the whole passenger cabin skeleton of machining is suitable for reading, repair internal surface and the outside surface of whole passenger cabin skeleton, obtain the whole passenger cabin skeleton of aluminium alloy;
Four, the whole passenger cabin skeleton of aluminium alloy step 3 being obtained quenches, and being heated to quenching temperature is 515 ℃, and soaking time is 120min, and quenching shift time is less than 30s, and quenching water temperature is 70 ℃～80 ℃; By whole passenger cabin skeleton aligning, then, by whole passenger cabin skeleton timeliness, aging temp is 160 ℃ again, and soaking time is 8h, and controlling total timeliness heat-up time is 8～14h, then goes out aging oven;
Five, the whole passenger cabin skeleton of aluminium alloy of step 4 being processed samples, checks that then vanning completes the manufacture method of aluminium alloy integral body passenger cabin skeleton for higher education machine windscreen framework.
Claims (10)
1. the manufacture method of the whole passenger cabin skeleton of aluminium alloy for higher education machine windscreen framework, is characterized in that the manufacture method of the whole passenger cabin skeleton of aluminium alloy for higher education machine windscreen framework, specifically according to following steps, carries out:
One, by the mass percent of element, be Si:0.7%～1.2%, Fe :≤0.7%, Cu:1.8%～2.6%, Mn:0.40%～0.8%, Mg:0.40%～0.8%, Ni :≤0.10%, Zn :≤0.3%, Ti :≤0.15% and surplus be Al, cast reflectal circle ingot casting No. five, the specification of No. five reflectal circle ingot castings is Φ 720mm * 4000mm; Wherein, single impurity≤0.05%, total impurities≤0.15%;
Two, No. five reflectals circle ingot castings of being prepared by step 1 carry out railway carriage, crop, and back-end crop, then chooses by macroscopic examination the round ingot casting that low power is qualified, then cuts into woollen, and woollen specification is Φ 680mm * (2400mm+100mm); According to forging 4 vertical heart points, return former technique to forge again, forge and be of a size of 2850
+ 20mm * 2100
+ 20mm * 125
+ 10mm, then milling two sides, is of a size of after milling face: 2850
+ 20mm * 2100
+ 20mm * 100
+ 1mm, then rule, milling type, trimming, be prepared into the whole passenger cabin skeleton of aluminium alloy blank;
Three, the whole passenger cabin skeleton of aluminium alloy blank heating to the temperature of being prepared by step 2 is 450 ℃～480 ℃, then on 10000 tons of moulding presss with the punching press of whole passenger cabin punching die, with whole passenger cabin skeleton special sample, draw profile again, reserved amount of finish, the whole passenger cabin skeleton of machining is suitable for reading, repair internal surface and the outside surface of whole passenger cabin skeleton, obtain the whole passenger cabin skeleton of aluminium alloy;
Four, the whole passenger cabin skeleton of aluminium alloy step 3 being obtained quenches, and being heated to quenching temperature is 515 ℃, and soaking time is 120min, and quenching shift time is less than 30s, and quenching water temperature is 70 ℃～80 ℃; By whole passenger cabin skeleton aligning, then, by whole passenger cabin skeleton timeliness, aging temp is 160 ℃ again, and soaking time is 8h, and controlling total timeliness heat-up time is 8～14h, then goes out aging oven;
Five, the whole passenger cabin skeleton of aluminium alloy of step 4 being processed samples, checks that then vanning completes the manufacture method of aluminium alloy integral body passenger cabin skeleton for higher education machine windscreen framework.
2. the manufacture method of the whole passenger cabin skeleton of aluminium alloy for a kind of higher education machine windscreen framework according to claim 1, it is characterized in that in step 2, forging temperature is 430 ℃～450 ℃, soaking time is at least 9h, adopts 3000 tons of forging water pressure engine and 10000 tons of moulding press coordinating operations during forging.
3. the manufacture method of the whole passenger cabin skeleton of aluminium alloy for a kind of higher education machine windscreen framework according to claim 1, is characterized in that in step 2, macroscopic examination is of a size of Φ 680mm * 30mm.
4. the manufacture method of the whole passenger cabin skeleton of aluminium alloy for higher education machine windscreen framework, is characterized in that the manufacture method of the whole passenger cabin skeleton of aluminium alloy for higher education machine windscreen framework, specifically according to following steps, carries out:
One, by the mass percent of element, be Si:0.7%～1.2%, Fe :≤0.7%, Cu:1.8%～2.6%, Mn:0.40%～0.8%, Mg:0.40%～0.8%, Ni :≤0.10%, Zn :≤0.3%, Ti :≤0.15% and surplus be Al, the side's of casting ingot casting, the specification of square ingot casting is 420mm * 1620mm * 4000mm; Wherein, single impurity≤0.05%, total impurities≤0.15%;
The square ingot casting milling two sides of two, being prepared by step 1, is of a size of after milling face: 380mm * 1620mm * 4000mm, and reheat and be rolled, obtain being of a size of 100
+ 5* 2100
+ 20* 2850
+ 20the sheet material of mm, then carries out the defect detecting test of 100%B level, and the qualified rear clear wiping plate surface glycerine of detecting a flaw is prepared into the whole passenger cabin skeleton of aluminium alloy blank;
Three, the whole passenger cabin skeleton of aluminium alloy blank heating to the temperature of being prepared by step 2 is 450 ℃～480 ℃, then on 10000 tons of moulding presss with the punching press of whole passenger cabin punching die, with whole passenger cabin skeleton special sample, draw profile again, reserved amount of finish, the whole passenger cabin skeleton of machining is suitable for reading, repair internal surface and the outside surface of whole passenger cabin skeleton, obtain the whole passenger cabin skeleton of aluminium alloy;
Four, the whole passenger cabin skeleton of aluminium alloy step 3 being obtained quenches, and being heated to quenching temperature is 515 ℃, and soaking time is 120min, and quenching shift time is less than 30s, and quenching water temperature is 70 ℃～80 ℃; By whole passenger cabin skeleton aligning, then, by whole passenger cabin skeleton timeliness, aging temp is 160 ℃ again, and soaking time is 8h, and controlling total timeliness heat-up time is 8～14h, then goes out aging oven;
Five, the whole passenger cabin skeleton of aluminium alloy of step 4 being processed samples, checks that then vanning completes the manufacture method of aluminium alloy integral body passenger cabin skeleton for higher education machine windscreen framework.
5. the manufacture method of the whole passenger cabin skeleton of aluminium alloy for higher education machine windscreen framework, is characterized in that the manufacture method of the whole passenger cabin skeleton of aluminium alloy for higher education machine windscreen framework, specifically according to following steps, carries out:
One, by the mass percent of element, be Si:0.7%～1.2%, Fe :≤0.7%, Cu:1.8%～2.6%, Mn:0.40%～0.8%, Mg:0.40%～0.8%, Ni :≤0.10%, Zn :≤0.3%, Ti :≤0.15% and surplus be Al, the side's of casting ingot casting, the specification of square ingot casting is 520mm * 1620mm * 4000mm; Wherein, single impurity≤0.05%, total impurities≤0.15%;
The square ingot casting milling two sides of two, being prepared by step 1, is of a size of after milling face: 480mm * 1620mm * 4000mm, and reheat and be rolled, obtain being of a size of 100
+ 5* 2100
+ 20* 2850
+ 20the sheet material of mm, then carries out the defect detecting test of 100%B level, and the qualified rear clear wiping plate surface glycerine of detecting a flaw is prepared into the whole passenger cabin skeleton of aluminium alloy blank;
Three, the whole passenger cabin skeleton of aluminium alloy blank heating to the temperature of being prepared by step 2 is 450 ℃～480 ℃, then on 10000 tons of moulding presss with the punching press of whole passenger cabin punching die, with whole passenger cabin skeleton special sample, draw profile again, reserved amount of finish, the whole passenger cabin skeleton of machining is suitable for reading, repair internal surface and the outside surface of whole passenger cabin skeleton, obtain the whole passenger cabin skeleton of aluminium alloy;
Four, the whole passenger cabin skeleton of aluminium alloy step 3 being obtained quenches, and being heated to quenching temperature is 515 ℃, and soaking time is 120min, and quenching shift time is less than 30s, and quenching water temperature is 70 ℃～80 ℃; By whole passenger cabin skeleton aligning, then, by whole passenger cabin skeleton timeliness, aging temp is 160 ℃ again, and soaking time is 8h, and controlling total timeliness heat-up time is 8～14h, then goes out aging oven;
Five, the whole passenger cabin skeleton of aluminium alloy of step 4 being processed samples, checks that then vanning completes the manufacture method of aluminium alloy integral body passenger cabin skeleton for higher education machine windscreen framework.
6. the manufacture method with the whole passenger cabin skeleton of aluminium alloy according to a kind of higher education machine windscreen framework described in claim 1,5 or 6, is characterized in that in step 1 by the mass percent Fe+Ni of element :≤0.7%.
7. according to a kind of higher education machine windscreen framework described in claim 1,5 or 6, use the manufacture method of the whole passenger cabin skeleton of aluminium alloy, it is characterized in that in step 3, impact style is: adopt aligning device, whole passenger cabin skeleton center line and punching die center line are aligned, upper pressure, when the punch of punching die patrix contacts whole passenger cabin skeleton, centering again, when definite whole passenger cabin skeleton center line and punching die center line align completely to timing, 10000 tons of moulding presss start upper pressure, when whole passenger cabin skeleton blank bends to while contacting completely with counterdie, pressurize, completes.
8. according to a kind of higher education machine windscreen framework described in claim 1,5 or 6, use the manufacture method of the whole passenger cabin skeleton of aluminium alloy, it is characterized in that in step 4, equipment for straightening adopts 3000 tons of open die forging machines, aligning standard is for meeting the requirement of whole passenger cabin skeleton special sample die cavity.
9. the manufacture method with the whole passenger cabin skeleton of aluminium alloy according to a kind of higher education machine windscreen framework described in claim 1,5 or 6, is characterized in that checking and comprising surface inspection, dimension inspection and defect detecting test in step 5.
10. in step 5 according to claim 9, defect detecting test adopts contact process, and couplant is glycerine, and non-destructive testing standard is B level.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310626660.6A CN103614600B (en) | 2013-11-29 | 2013-11-29 | Method for manufacturing entire aluminum alloy cabin skeleton for windshield frame of advanced training plane |
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|---|---|---|---|
| CN201310626660.6A CN103614600B (en) | 2013-11-29 | 2013-11-29 | Method for manufacturing entire aluminum alloy cabin skeleton for windshield frame of advanced training plane |
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