CN104369855B - The production technology of the complex-curved goods of MDYB-3 aerial organic glass - Google Patents
The production technology of the complex-curved goods of MDYB-3 aerial organic glass Download PDFInfo
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- CN104369855B CN104369855B CN201410561600.5A CN201410561600A CN104369855B CN 104369855 B CN104369855 B CN 104369855B CN 201410561600 A CN201410561600 A CN 201410561600A CN 104369855 B CN104369855 B CN 104369855B
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Abstract
The invention discloses the production technology of the MDYB 3 complex-curved goods of aerial organic glass, the present invention comprises the following steps: aeronautical glasses carries out cutting by (1), to the boring of glass X-axis, assembling grip block, is positioned on the mould in baking oven；And preheat and heat, make aeronautical glasses soften；(2) put down grip block, make aeronautical glasses naturally hang down laminating mould, treat that aeronautical glasses surface temperature is down to room temperature；Glass Y-axis is holed, assembles grip block, be then shut off baking oven, aeronautical glasses is carried out liter gentle molding and draws；(3) after aeronautical glasses and mould are fitted completely, it is cooled to room temperature, aeronautical glasses profile cutting is become semi-finished product；(4) semi-finished product are carried out edge correction of the flank shape, then carry out edge rude edge arrissing and smoothed edge；(5) the aeronautical glasses surface after edging is ground, polishes, polishes, cleans, get product.The product that the present invention produces has that topographies degree is good, interchangeability is high and the feature of good in optical property.
Description
Technical field
The present invention relates to the production technology of a kind of complex-curved goods of MDYB-3 aerial organic glass.
Background technology
Along with the increase of modern civil and military air transport demand, the demand day of the transporter of the big carrying capacity of development of new
Benefit is urgent.MDYB-3 aerial organic glass material, as novel aviation transparencies material, has been widely used in military, civilian etc. multiple
Field.The sequence of its interior molecules can be changed during the hot bending of the complex-curved goods of MDYB-3 aerial organic glass thus lead
Cause performance change, there is thickness simultaneously and change the characteristic causing optical property to reduce, so, the one-tenth of MDYB-3 aerial organic glass
Type technique is complex.Traditional handicraft is compression molding, can only the common lucite of molding and non-directional drawing and forming aviation have
Machine glass, after this technological forming, the profile dimension shape of glass is more difficult, the most easily deformable；On the other hand, after compression molding, glass
Surface quality poor, mould has what all can project to glass surface, and two surfaces has, subsequent treatment work heavy.
The most important thing is the performance of non-directional lucite of compression molding well below MDYB-3 aerial organic glass, so current
Technique cannot produce the high performance complex-curved goods of MDYB-3 aerial organic glass.
Summary of the invention
It is an object of the invention to provide the production technology of a kind of complex-curved goods of MDYB-3 aerial organic glass, solve
The problem that prior art cannot produce the high performance complex-curved goods of MDYB-3 aerial organic glass.
The present invention is achieved through the following technical solutions:
The production technology of the complex-curved goods of MDYB-3 aerial organic glass, comprises the following steps:
(1) carry out MDYB-3 aerial organic glass cutting, to the boring of glass X-axis, assembling grip block, be then placed into drying
On mould in case；And aeronautical glasses and mould preheated and heats, make aeronautical glasses soften；
(2) put down grip block, make the aeronautical glasses after softening naturally hang down laminating mould (X-axis), then open baking oven gate,
Treat that aeronautical glasses surface temperature is down to room temperature；After glass Y-axis is holed, assemble grip block, be then shut off baking oven, to aeronautical glasses
X, Y-axis carry out liter gentle molding and draw；
(3), after aeronautical glasses and mould are fitted completely, after being cooled to room temperature, open baking oven, aeronautical glasses profile is cut
It is cut into semi-finished product；
(4) semi-finished product are carried out edge correction of the flank shape, then carry out edge rude edge arrissing and smoothed edge；
(5) the aeronautical glasses surface after edging is ground, polishes, polishes, cleans, get product.
Further, described step (1) baking oven for heating program carries out preheating and heat as follows: first under the conditions of 75 DEG C,
Heat 30min；Again under the conditions of 105 DEG C, heat 30min；Last under conditions of 105 DEG C, it is incubated 60min.
Yet further, described step (2) baking oven for heating program carry out heat up as follows: first under the conditions of 65 DEG C, heat
30min；Under the conditions of 100 DEG C, heat 30min；Under the conditions of 116 DEG C, heat 30min；Under the conditions of 116 DEG C, it is incubated 120min；With
120min is down to room temperature.
Further, described step (3), when molding draws, need to accomplish that 15min records 1 profiled member change, simultaneously
Record forming temperature, mold temperature, drawing power and displacement, to guarantee to draw the success of molding.
The present invention has the following advantages and beneficial effect:
The complex-curved goods of MDYB-3 aerial organic glass that the present invention produces have that topographies degree is good, interchangeability is high and
The feature of good in optical property, it is to avoid the optical property that traditional handicraft causes in forming process of heating decline and glass profile not
Good shortcoming.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated, but embodiments of the present invention are not limited to this.
Embodiment
The production technology of MDYB-3 aerial organic glass wing navigational light lampshade, specific embodiment is as follows:
After MDYB-3 aerial organic glass gets outbound, with model, 2200 × 2200 raw sheets are rule, be divided into 4
Block, cuts along scribing position on sizing saw machine；With sonigauge, glass is carried out thickness measuring, record thickness measuring model
The thickness of glass value of corresponding each point；Clamp two long limits (i.e. X-axis) edge of lucite with drawing clamp in advance, use power drill
Align the clamping hole that the screw hole on fixture drills on glass；After treating the clamping hole drill system on glass, take glass surface off
Protection sheet, assemble grip block, trip bolt, 4 people respectively lift an angle of fixture, the glass clamped are placed on baking oven
On interior wing navigational light lamp shade forming mould, with 4 angles of 4 they sup-port fixtures, preheat glass and mould；With
Time, 4 steel wire ropes that hydraulic stem links are caught on 4 hangers on clamping plate；Check the center of glass and the central alignment of mould
And carry out telltale mark, after all going well, close oven door, open baking oven for heating program and preheat and heat；Detailed adds
Temperature system is as shown in table 1 below:
Table 1
| Sequence number | Design temperature (DEG C) | Warm-up time (min) | Holding temperature (DEG C) | Temperature retention time (min) |
| 1 | Room temperature | |||
| 2 | 75 | 30 | ||
| 3 | 105 | 30 | ||
| 4 | 105 | 60 |
Setting, according to the temperature schedule shown in upper table, program of heating on baking oven, baking oven carries out a liter gentle guarantor according to program
Temperature.When temperature reaches glass softening point, Glass Transition, tightens up the steel wire rope on glass both sides, meanwhile, lays down 4 angles of glass plywood
Support bar, allow glass naturally hang down with gravity direction, laminating mould (X-axis), the profile of wing navigational light lampshade tentatively presents,
Open baking oven gate, treat that glass surface temperature is reduced to room temperature, with two arc-shaped edges (i.e. Y of circular arc bag chucking lug location glass
Axle), align the control hole of fixture with power drill and drill the clamping hole of glass, be screwed after being drilled, at two of arc end
Central hole location is put on the steel wire rope of pressing mold oil cylinder linkage, locking steel wire rope；Start hydraulic jack, tense wire rope, secondary
During molding, four support bars on the long limit of glass have unloaded；Tighten up steel wire rope with the hydraulic jack of linkage, allow wing navigational light
The opening of lampshade is the biggest, and the beneficially molding of arc end (i.e. Y-axis) draws；After checking that each bite, drawing rope are normal, close
Close baking oven gate, carry out secondary temperature elevation, molding；Detailed molding temperature increasing schedule such as following table 2(need to observe being drawn into of lampshade at any time
Type process, accomplishes that 15min records 1 profiled member change, records forming temperature, auxiliary mould temperature, drawing power and displacement simultaneously
Amount):
Table 2
After glass and mould cool down, it is generally required to mould within second day, just can be made to naturally cool to room temperature, open oven door,
Lay down hydraulic coupling, thickness measuring model is layered on on the lampshade outer surface of model, by determining of glass end face anchor point and thickness measuring model
Site aligns, and tests, records the thickness of each point；Along mould, scribe line position and periphery amplify each stroke of 1 line of 40mm, make
For initial cutting line；4 people respectively lift 1 clamping plate ear, smoothly take out into the wing navigational light lampshade of model, paving with soft
Unload the fixture on 4 limits of glass on the platform of rubber peel, note protecting the significant surface of glass lamp shade；Along initially cutting on sizing saw machine
Secant carries out lampshade first sample cutting；On band saw, initial cut line along glass cuts again again, and the active line making lampshade is pre-
Stay 3～5mm allowance；The glass of cutting number is compared with hole drilling die, makes on the anchor point on glass and drill jig
Anchor point overlaps, and covers upper mold, is fixed by glass lamp shade with periphery jackscrew, and the inner and outer surfaces scriber at glass carries out lampshade
Trim line is rule.
The glass pulling edge line is compared with hole drilling die, makes the anchor point on glass and the anchor point on drill jig
Overlap, cover upper mold, with periphery jackscrew, glass lamp shade is fixed, bore, with pneumatic auto-feed, the hole aligned on each drill jig and enter
Row drills one by one, and the first step is to drill Φ 9mm through hole, and second step is to adjust the depth of cut that auto-feed is bored, and creeps into countersunk head
Drilling of the counter sink that row 1.2mm is deep, while boring, is required to during noting each hole drill system carry out with neutral soap water
Cooling；After position, hole has drilled, conscientiously check hole wall and counter sink countersunk head face, it is desirable to the most smooth, should not have cut, edge damage,
Helical form tool marks and the vestige burnt.
After having holed, unload upper mold, take out glass and carry out glass edge correction of the flank shape, first with Chiba sheet power drill to glass edge
Edge is modified, and is adapted to edge surplus for about+0.5mm；Again by the grinding machine of wing navigational light lampshade operating to inorganic edging
On, carry out edge rude edge arrissing and smoothed edge.
After correction of the flank shape completes, glass is placed on the check-out console of band incandescent lamp tube, first with the sand paper of 1000 mesh in glass
Surface carries out surface grinding, and outer surface can suitably carry out surface grinding depending on scuffing situation, is ground to surface and occurs rowing dry uniformly
Hinder；Dipping a small amount of cerium oxide antiscuffing paste with felt again and be ground face polishing, polishing, being polished to the surface imprinted degree of depth is
≤ 0.1mm is advisable；The surfaces externally and internally of glass is carried out by the 1# antiscuffing paste dipping a small amount of French import with medical high-quality absorbent cotton
Polishing, prints weight depending on the mould of interior surfaces of glass and carries out local and repeatedly polish, and general polishing 30min checks 1 polishing feelings
Condition, about 240min can complete rough polishing；Band mold-mart and heavily scratch all remove after, dip on a small quantity with medical high-quality absorbent cotton
The 2# antiscuffing paste of French import the surfaces externally and internally of glass is processed by shot blasting, be polished to glass surface without sending out of occurring continuously
Stricture of vagina wound, surface imprinted；Finally dip the rinse water of a small amount of French import surfaces externally and internally to glass with medical high-quality absorbent cotton
Carry out surface process, finally require that the surfaces externally and internally of glass is mirror status.
Using the glass produced of technique of the present invention, its case hardness is more than PC plate, every material property after tested after
Contrasting with PC plate, the data such as strength character are basically identical with import PC plate, and detailed data see table shown in 3:
Table 3
| Performance | MDYB-3 aerial organic glass | Merlon (PC) |
| Relative density (g/cm3) | 1.2 | 1.2 |
| Long-term water absorption rate (%) | 0.5 | 0.15 |
| Molding shrinkage (%) | 0.5 | 0.5 |
| Hot strength (MPa) | 80.5～90 | 56～66 |
| Stretch modulus (MPa) | 2850～3000 | 2100～2400 |
| Fracture elongation rate (MPa) | 135～145 | 60～120 |
| Bending strength (MPa) | 140～150 | 80～85 |
| Bending modulus (MPa) | 2850～3000 | 2100～2440 |
| Compressive strength (MPa) | 60～70 | 75～80 |
| Shear strength (MPa) | / | 35 |
| Impact strength (breach, kj/m2) | 37～42 | 17～24 |
| Rockwell hardness M | Brinell hardness ＞ 21Kgf/mm2 | 80 |
| Fatigue limit (106 times/MPa) | / | 10.5 |
| Heat distortion temperature (1.82MPs, DEG C) | 100～130 | 130～135 |
| Life-time service temperature (DEG C) | / | 110 |
| Linear expansion coefficient (× 10-5/K) | / | 7.2 |
| Thermal conductivity [W/ (m K)] | / | 0.2 |
| Specific insulation (Ω cm) | / | 2.1×1016 |
| Dielectric constant (106Hz) | / | 2.9 |
| Dielectric loss angle tangent (106Hz) | / | 0.0083 |
| Dielectric strength (kV/mm) | / | 18 |
| Resistance to electric arc (s) | / | 120 |
The complex-curved goods of MDYB-3 aerial organic glass that the present invention produces have that topographies degree is good, interchangeability is high and
The feature of good in optical property, it is to avoid the optical property that traditional handicraft causes in forming process of heating decline and glass profile not
Good shortcoming.
According to above-described embodiment, the present invention just can be realized well.What deserves to be explained is, premise based on above-mentioned design
Under, for solving same technical problem, even if some made in the present invention are without substantial change or polishing, used
The essence of technical scheme is still as the present invention, therefore it should also be as within the scope of the present invention.
Claims (4)
- The production technology of the complex-curved goods of 1.MDYB-3 aerial organic glass, it is characterised in that comprise the following steps:(1) carry out MDYB-3 aerial organic glass cutting, to the boring of glass X-axis, assembling grip block, be then placed in baking oven Mould on；And aeronautical glasses and mould preheated and heats, make aeronautical glasses soften；(2) put down grip block, make the aeronautical glasses after softening naturally hang down laminating mould, then open baking oven gate, treat aviation glass Glass surface temperature is down to room temperature；After glass Y-axis is holed, assemble grip block, be then shut off baking oven, aeronautical glasses X, Y-axis are entered Row rises gentle molding and draws；(3) after aeronautical glasses and mould are fitted completely, after being cooled to room temperature, open baking oven, aeronautical glasses profile cutting is become Semi-finished product；(4) semi-finished product are carried out edge correction of the flank shape, then carry out edge rude edge arrissing and smoothed edge；(5) the aeronautical glasses surface after edging is ground, polishes, polishes, cleans, get product；Wherein, X-axis, Y-axis are set up along glass planar, and X-axis represents horizontal direction, and Y-axis represents vertical direction.
- The production technology of the complex-curved goods of MDYB-3 aerial organic glass the most according to claim 1, it is characterised in that Described step (1) baking oven for heating program carries out preheating and heat as follows: first in the 30min time, be heated to 75 DEG C；Exist again The 30min time, it is heated to 105 DEG C from 75 DEG C；Last under conditions of 105 DEG C, it is incubated 60min.
- The production technology of the complex-curved goods of MDYB-3 aerial organic glass the most according to claim 1, it is characterised in that It is as follows that described step (2) baking oven for heating program carries out intensification: first in the 30min time, is heated to 65 DEG C；Again in the 30min time, It is heated to 100 DEG C from 65 DEG C；Then in the 30min time, it is heated to 116 DEG C from 100 DEG C；Last under the conditions of 116 DEG C, insulation 120min。
- The production technology of the complex-curved goods of MDYB-3 aerial organic glass the most according to claim 1, it is characterised in that Described step (2), when molding draws, need to be accomplished that 15min records 1 profiled member change, record forming temperature, mould temperature simultaneously Degree, drawing power and displacement, to guarantee to draw the success of molding.
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| CN107891593A (en) * | 2017-11-12 | 2018-04-10 | 山东东宝重工科技股份有限公司 | A kind of latent device acrylic form process equipment and its processing technology |
| CN113524637A (en) * | 2021-07-07 | 2021-10-22 | 成都巨峰玻璃有限公司 | Large-scale automatic windshield's former |
| CN113400624A (en) * | 2021-07-07 | 2021-09-17 | 成都巨峰玻璃有限公司 | Method for processing special-shaped curved surface |
| CN113400623A (en) * | 2021-07-07 | 2021-09-17 | 成都巨峰玻璃有限公司 | Method for forming organic glass curved surface based on steel rope tension |
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| US3894454A (en) * | 1974-05-06 | 1975-07-15 | Monsanto Co | Method and apparatus for handling and trimming blow molded articles |
| FR2637836B1 (en) * | 1988-10-17 | 1991-03-08 | Hutchinson | BODY MOLD FOR VEHICLES, AND MANUFACTURING METHOD THEREOF |
| DE19843109C2 (en) * | 1998-09-21 | 2000-11-09 | Hcd Gmbh | Process for the production of a surface-structured, film-like semi-finished product with pressure application |
| CN101100110B (en) * | 2007-07-18 | 2010-05-19 | 天津市中环高科技有限公司 | Hot-pressed forming technology for three-dimension mobile phone screen lens |
| CN101100097B (en) * | 2007-07-27 | 2010-06-02 | 北京航空航天大学 | Part and through-hole one-stage forming method in resin base composite material hot-pressed formation |
| CN101786324A (en) * | 2010-02-04 | 2010-07-28 | 南京航空航天大学 | Method for accurately designing molded surface of autoclave forming fixture for composite products |
| CN101823335A (en) * | 2010-05-13 | 2010-09-08 | 苏州利盾航空材料有限公司 | High-pressure double-sided die hot bending process of aviation organic glass |
| CN102241474B (en) * | 2011-03-09 | 2015-07-22 | 都匀开发区福田化工有限责任公司 | Glass toughening, bending and coloring integrated process |
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