CN108639157A - A kind of bus fiberglass side skin assembly method - Google Patents
A kind of bus fiberglass side skin assembly method Download PDFInfo
- Publication number
- CN108639157A CN108639157A CN201810413026.7A CN201810413026A CN108639157A CN 108639157 A CN108639157 A CN 108639157A CN 201810413026 A CN201810413026 A CN 201810413026A CN 108639157 A CN108639157 A CN 108639157A
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- Prior art keywords
- fiberglass
- covering
- glue
- gluing
- skeleton
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of bus fiberglass side skin assembly methods, include the following steps:Step 1)Early-stage preparations:Determination to body side wall skeleton material and surface treatment mode, and to structure glue, primary coat, the selection of detergent;Step 2)Left and right gusset fiberglass covering pre-assembled;Step 3)Operating environment prepares before bonding;Step 4)Skeleton verification, fiberglass covering bonding plane and the cleaning of body side wall skeleton bonding plane;Step 5)Gluing operation;Step 6)Fiberglass covering assembles and is fixedly clamped;Step 7)Glue and the cleaning of remaining glue;Step 8)The trepanning of exterior trimming parts mounting hole and finishing;The advantage of the invention is that, waste of raw materials caused by replacing side skin can be effectively reduced, shorten the time for replacing side skin and reduce and replaces side skin cost, to the body harm of operating personnel when reduction operation, lower the pollution to environment, increase the stress distribution range between covering and body frame, reduces noise.
Description
Technical field
The present invention relates to a kind of bus fiberglass side skin assembly methods.
Background technology
Country's bus side covering material is mostly based on galvanized sheet at present, Some vehicles there is also aluminium sheet, assembly technology with
Based on welding.Such assembly technology in vehicle operation if there is deformations such as small-scale collision, weld crackings,
In repair, generally require to replace entire side skin or body side wall major part covering, but also to move weldering(It to be removed when welding
Part interior trim, exterior trim, covering inside heat preserving and insulating material).Replacement side skin waste of raw materials is more serious, takes longer, cost
It is higher, and there is weldering dirt particle, pernicious gas, arc radiation and noise when welding procedure operation, have to operating personnel and environment
Certain harm.
Invention content
Purpose of the present invention is to:A kind of bus fiberglass side skin assembly method is provided, more side change illiteracy can be effectively reduced
Waste of raw materials caused by skin shortens the time for replacing side skin and reduces and replaces side skin cost, to operation when reducing operation
The body harm of personnel lowers the pollution to environment, increases the stress distribution range between covering and body frame, reduces noise.
The technical scheme is that:A kind of bus fiberglass side skin assembly method, includes the following steps:
Step 1)Early-stage preparations:Determination to body side wall skeleton material and surface treatment mode, and to structure glue, primary coat,
The selection of detergent;
Step 2)Left and right gusset fiberglass covering pre-assembled;
Step 3)Operating environment prepares before bonding;
Step 4)Skeleton verification, fiberglass covering bonding plane and the cleaning of body side wall skeleton bonding plane;
Step 5)Gluing operation;
Step 6)Fiberglass covering assembles and is fixedly clamped;
Step 7)Glue and the cleaning of remaining glue;
Step 8)The trepanning of exterior trimming parts mounting hole and finishing.
Step 2 as a preferred technical solution,)Middle left and right gusset fiberglass covering is preassembled, and the specific method is as follows:
1)Left and right side fiberglass is preloaded onto on vehicle body left and right side skeleton, glue thickness is tensed and reserved with bandage, fixture, is adjusted
The goodness of fit of fiberglass covering and body frame, and there are polishing reconditionings to the periphery fiberglass covering of passenger doors, hatch door, wheel hub
Surplus;
2)Fiberglass covering passenger doors, hatch door, wheel hub surrounding there are reconditioning surplus, the bonding plane of fiberglass covering and skeleton
Position is crossed with marking pen, is removed after performing assembly mark respectively on fiberglass covering and left and right side wall frame, and fiberglass covers
Skin bonding plane side draws side wall frame crossbeam and diagonal brace position, special-shaped side window test plate is placed on glass hole check with
The surrounding goodness of fit, crosses;
3)Window pillar, storehouse column and other extra fiberglass covering cuttings are polished off by scribing line, and in fiberglass covering
The column and diagonal brace of bonded areas, which carry out polishing, makes surfacing.
Step 4 as a preferred technical solution,)Skeleton verification, fiberglass covering bonding plane and body side wall skeleton bonding
Face is clean, and the specific method is as follows:
1)With the inspection of straightness backup plate and gusset longeron straightness is corrected, error is no more than 3mm within the scope of 3m, ensures straightness 1/
1000;
2)Ash disposal is carried out to fiberglass covering and skeleton gluing of surfaces with dust catcher or tracheae, rag is used in combination to clean;
3)Industrial alcohol is dipped by fiberglass covering and skeleton gluing of surfaces dust wiped clean with cotton;
4)Cleaning glass window steel covering and skeleton gluing of surfaces position after dipping boss's glue detergent with cotton after five minutes, and to one
A direction wiping;
5)It is dry after the completion of cleaning, keep operating environment;
6)If be fitted without in 8 hours after wiping boss's glue detergent, step 4 is repeated)With 5).
Step 5 as a preferred technical solution,)The specific method is as follows for gluing operation:
1)In left and right gusset window seam allowance, door pillar, cabin column seaming position jointing tape paper before gluing;
2)In the rubber cushion of glue sticking position installation thickness 4mm, 350 ~ 500mm of rubber cushion spacing;
3)Gluing is triangle at section, and the wide 10 ~ 14mm in bottom is highly not less than 14mm;Bonding location plays straight line glue, and 3 ~
4 people are carried out at the same time opposite direction gluing operation;The time control of gluing is within 5 minutes;
4)Skeleton surface is less than 40 mm, 1,40 mm or more tubing face gluing 2 of tubing face gluing with fiberglass covering bonding plane
Road ensures the wide covering gluing of surfaces of glue;
5)Glass fiber reinforced plastic surface:Along straight line, gluing is handled on the inside of fiberglass covering at side window seam allowance R radians.
Step 6 as a preferred technical solution,)Fiberglass covering assembles and is fixedly clamped, and the specific method is as follows:
1)Because forward and backward passenger doors exist, the operation simultaneously of left-side fiberglass covering bonding;Right side wall fiberglass covering operation is suitable
Sequence:First dress front wall window driver front column refills the 5th column to back wall front column to the 5th window pillar;
2)Adhering glass steel covering:Fiberglass covering is installed on body frame, bonding is coincide with equipped scribing position;
3)Adjust position with rubber hammer or so, the time control away from bonding left and right side fiberglass covering after gluing 15 minutes with
It is interior;
4)If because position is not right to after being bonded for maloperation, left and right side fiberglass covering is adjusted;If side window and special-shaped window opening slip of the tongue
Difference, takes fiberglass covering off, after removing glue, is bonded operation again;
5)When adjustment, fiberglass covering reserves or controls process seam 4-6mm with the preceding rear wall outer panel place of docking;
6)Side window height is measured, -2 mm of side window height dimension error~+2mm is locked in fiberglass covering front and back end, stop portion
Stops locks;
7)Ensure that upper and lower side flatness, square steel end protrude side wall skin 200mm, fiberglass using the square steel and fixture of 60*40
Covering and body side wall skeleton gap size between 3-5mm, front and back section covering docking with self-made tooling compress leveling, reserve or
Control process seam 4-6mm;
8)Unclamp fixture within 24 hours or more.
Step 7 as a preferred technical solution,)The specific method is as follows for glue and the cleaning of remaining glue:
1)It examines whether fiberglass bonding plane glue tamps from the negative, there is gap location reverse side gluing to tamp;
2)Front glass steel covering is cleared up with dust at 4 ~ 6mm of back segment fiberglass covering, anti-with adhesive tape covering after processing is clean
Shield;
3)Front and back ends fiberglass covering encloses dust cleaning at 4 ~ 6mm of covering with forward and backward, anti-with adhesive tape covering after processing totally
Shield;
4)Root out the glue of surface spilling.
Step 8 as a preferred technical solution,)The specific method is as follows for the trepanning of exterior trimming parts mounting hole and finishing:
It checks and verifies left and right gusset fiberglass covering bonded adhesives and all cure, draw side lamp hole, the foot-operated hole site of escape, it
Scribing position trepanning is pressed afterwards;
Self-test is mutually examined.
It is an advantage of the invention that:
1. in wet condition, the anti-corrosive properties of bus fiberglass side skin are promoted;
2. when side skin local replacing, non-fire operation, operable and safety is preferable;
3. reduce replace side skin caused by waste of raw materials, shorten replace side skin time and reduce replace side skin at
This;
4. when later stage vehicle maintenance, greatly shortening the vehicle maintenance time, more service times are won for client;
5. lowering the pollution to environment to the body harm of operating personnel when reducing operation;
6. increasing the stress distribution range between covering and body frame, noise is reduced.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the flow diagram of the present invention.
Specific implementation mode
Embodiment:Shown in referring to Fig.1, a kind of bus fiberglass side skin assembly method includes the following steps:
Step 1)Early-stage preparations:Determination to body side wall skeleton material and surface treatment mode, and to structure glue, primary coat,
The selection of detergent;
1)All bonding planes are required to as electrophoretic coating(Common square steel material side wall frame electrophoresis), aluminium section bar side wall frame, no
Become rusty steel material side wall frame;
2)When bonded adhesives, primary coat, detergent are bonded for fiberglass side wall skin, bonding and strength test.It is selected according to result
With ISR7003 sskf, ISR7005 sskf, ISR7008 AP boss's structure glues, Primer N41, Primer M are selected,
TS5028 primary coats, detergent select industrial alcohol;
3)Selected bonded adhesives, primary coat, detergent are required to for bonding plane as electrophoretic coating(Common square steel material side wall frame
Electrophoresis), aluminium section bar side wall frame, stainless steel side wall frame when, bond and strength test;
4)Tool list:It is operation special hanger, glue rifle, Pneumatic glue gun, cutting machine, sander, pneumatic drill, pneumatic riveting gun, iron hammer, big
Power pincers, F cards, tape measure, straightness backup plate, marking pen, self-control clamping tool, latch, brush, vessel(Primary coat, alcohol).
Step 2)Left and right gusset fiberglass covering pre-assembled;
1)Left and right side fiberglass is preloaded onto on vehicle body left and right side skeleton, glue thickness is tensed and reserved with bandage, fixture, is adjusted
The goodness of fit of fiberglass covering and body frame, and there are polishing reconditionings to the periphery fiberglass covering of passenger doors, hatch door, wheel hub
Surplus;
2)Fiberglass covering passenger doors, hatch door, wheel hub surrounding there are reconditioning surplus, the bonding plane of fiberglass covering and skeleton
Position is crossed with marking pen, is removed after performing assembly mark respectively on fiberglass covering and left and right side wall frame, and fiberglass covers
Skin bonding plane side draws side wall frame crossbeam and diagonal brace position, special-shaped side window test plate is placed on glass hole check with
The surrounding goodness of fit, crosses;
3)Window pillar, storehouse column and other extra fiberglass covering cuttings are polished off by scribing line, and in fiberglass covering
The column and diagonal brace of bonded areas, which carry out polishing, makes surfacing.
Step 3)Operating environment prepares before bonding;
1)Assembling work place should keep cleaning dustless, need to clear up working site before construction, keep dustless;
2)Construction environment temperature should be between 5-35 °C(When temperature is less than 5 DEG C, two component is used at gantry frame, is accelerated solid
Change speed);
3)It should keep fire away when cleaning skeleton and fiberglass covering using detergent other than 10m, prevent static-induced spark, forbid
It is wiped using chemical fibre class cloth;
4)Bonded adhesives gluing difficulty really up to the mark need to increase gluing speed, can carry out heating before gluing with drying box or thermostatted water is pre-
Heat, maximum temperature is no more than 70 °C;
5)Bonded adhesives surface drying time:For humidity when 50% temperature is at 20 DEG C, surface drying time was at 15 minutes;
6)The bonded areas and body frame, pre-buried and sealing plate position performance for determining fiberglass left/right gusset, are all welded
The bonding of fiberglass is carried out after the completion, and the region framework after fiberglass bonding cannot weld, the temperature such as gas cutting, plasma cut are super
The operation of 180 degree is crossed, in order to avoid influence adhesive strength;
7)0vehicle marketing local temperature is please noted that under glue high and low temperature resistance (- 40 DEG C -120 DEG C), cold and high temperature and heating summer state
Condition.
Step 4)Skeleton verification, fiberglass covering bonding plane and the cleaning of body side wall skeleton bonding plane;
1)With the inspection of straightness backup plate and gusset longeron straightness is corrected, error is no more than 3mm within the scope of 3m, ensures straightness 1/
1000;
2)Ash disposal is carried out to fiberglass covering and skeleton gluing of surfaces with dust catcher or tracheae, rag is used in combination to clean;
3)Industrial alcohol is dipped by fiberglass covering and skeleton gluing of surfaces dust wiped clean with cotton;
4)Cleaning glass window steel covering and skeleton gluing of surfaces position after dipping boss's glue detergent with cotton after five minutes, and to one
A direction wiping, cannot move back and forth(To prevent fire, using industrial alcohol and detergent(Primary coat)It will be far from fire when cleaning
Other than 10 meters of source.Wiper after wiping will be put into special plastic barrel(Band lid));
5)It is dry after the completion of cleaning, operating environment is kept, dust is avoided to pollute;
6)If be fitted without in 8 hours after wiping boss's glue detergent, step 4 is repeated)With 5).
Step 5)Gluing operation;
1)In left and right gusset window seam allowance, door pillar, cabin column seaming position jointing tape paper before gluing, so as to removing glue;
2)In the rubber cushion of glue sticking position installation thickness 4mm, 350 ~ 500mm of rubber cushion spacing;
3)Gluing is triangle at section, and the wide 10 ~ 14mm in bottom is highly not less than 14mm;Bonding location plays straight line glue, and 3 ~
4 people are carried out at the same time opposite direction gluing operation;The time control of gluing is within 5 minutes;
4)Skeleton surface is less than 40 mm, 1,40 mm or more tubing face gluing 2 of tubing face gluing with fiberglass covering bonding plane
Road ensures the wide covering gluing of surfaces of glue;
5)Glass fiber reinforced plastic surface:Along straight line, gluing is handled on the inside of fiberglass covering at side window seam allowance R radians.
Step 6)Fiberglass covering assembles and is fixedly clamped;
1)Because forward and backward passenger doors exist, the operation simultaneously of left-side fiberglass covering bonding;Right side wall fiberglass covering operation is suitable
Sequence:First dress front wall window driver front column refills the 5th column to back wall front column to the 5th window pillar;
2)Adhering glass steel covering:Fiberglass covering is installed on body frame, bonding is coincide with equipped scribing position;
3)Adjust position with rubber hammer or so, the time control away from bonding left and right side fiberglass covering after gluing 15 minutes with
Interior, the shorter the time the better;
4)If because position is not right to after being bonded for maloperation, left and right side fiberglass covering can be slightly adjusted;If side window and abnormity
Window hole error is larger, it is necessary to take fiberglass covering off, after removing glue, be bonded operation again;
5)When adjustment, fiberglass covering reserves or controls process seam 4-6mm with the preceding rear wall outer panel place of docking;
6)Side window height is measured, -2 mm of side window height dimension error~+2mm is locked in fiberglass covering front and back end, stop portion
Stops locks, and prevents the covering tenesmus or translation had good positioning by scribing line;
7)Upper and lower side flatness is ensured using the square steel and fixture of 60*40, square steel end protrudes side wall skin 200mm, to hold
Fixture head is fixed and the control of glue thickness, and fiberglass covering and body side wall skeleton gap size are between 3-5mm, front and back section covering pair
It connects and compresses leveling with self-made tooling(50mm*50mm latch)Leveling is compressed, process seam 4-6mm is reserved or control;Pay attention to:Step up
Covering flatness is verified with guiding ruler when operation, square steel is being lived with F clips(1000m/1), remainder steps up with locking pliers
(in 100mm/1).
)Unclamp fixture within 24 hours or more.
Step 7)Glue and the cleaning of remaining glue;
1)It examines whether fiberglass bonding plane glue tamps from the negative, there is gap location reverse side gluing to tamp;
2)Front glass steel covering is cleared up with dust at 4 ~ 6mm of back segment fiberglass covering, anti-with adhesive tape covering after processing is clean
Shield;
3)Front and back ends fiberglass covering encloses dust cleaning at 4 ~ 6mm of covering with forward and backward, anti-with adhesive tape covering after processing totally
Shield;
4)Root out the glue of surface spilling.
Step 8)The trepanning of exterior trimming parts mounting hole and finishing;
It checks and verifies left and right gusset fiberglass covering bonded adhesives and all cure, draw side lamp hole, the foot-operated hole site of escape, it
Scribing position trepanning is pressed afterwards;
Self-test is mutually examined.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (7)
1. a kind of bus fiberglass side skin assembly method, which is characterized in that include the following steps:
Step 1)Early-stage preparations:Determination to body side wall skeleton material and surface treatment mode, and to structure glue, primary coat,
The selection of detergent;
Step 2)Left and right gusset fiberglass covering pre-assembled;
Step 3)Operating environment prepares before bonding;
Step 4)Skeleton verification, fiberglass covering bonding plane and the cleaning of body side wall skeleton bonding plane;
Step 5)Gluing operation;
Step 6)Fiberglass covering assembles and is fixedly clamped;
Step 7)Glue and the cleaning of remaining glue;
Step 8)The trepanning of exterior trimming parts mounting hole and finishing.
2. bus fiberglass side skin assembly method according to claim 1, which is characterized in that step 2)A middle left side,
Right side wall fiberglass covering is preassembled, and the specific method is as follows:
1)Left and right side fiberglass is preloaded onto on vehicle body left and right side skeleton, glue thickness is tensed and reserved with bandage, fixture, is adjusted
The goodness of fit of fiberglass covering and body frame, and there are polishing reconditionings to the periphery fiberglass covering of passenger doors, hatch door, wheel hub
Surplus;
2)Fiberglass covering passenger doors, hatch door, wheel hub surrounding there are reconditioning surplus, the bonding plane of fiberglass covering and skeleton
Position is crossed with marking pen, is removed after performing assembly mark respectively on fiberglass covering and left and right side wall frame, and fiberglass covers
Skin bonding plane side draws side wall frame crossbeam and diagonal brace position, special-shaped side window test plate is placed on glass hole check with
The surrounding goodness of fit, crosses;
3)Window pillar, storehouse column and other extra fiberglass covering cuttings are polished off by scribing line, and in fiberglass covering
The column and diagonal brace of bonded areas, which carry out polishing, makes surfacing.
3. bus fiberglass side skin assembly method according to claim 1, which is characterized in that step 4)Skeleton school
It tests, clean the specific method is as follows for fiberglass covering bonding plane and body side wall skeleton bonding plane:
1)With the inspection of straightness backup plate and gusset longeron straightness is corrected, error is no more than 3mm within the scope of 3m, ensures straightness 1/
1000;
2)Ash disposal is carried out to fiberglass covering and skeleton gluing of surfaces with dust catcher or tracheae, rag is used in combination to clean;
3)Industrial alcohol is dipped by fiberglass covering and skeleton gluing of surfaces dust wiped clean with cotton;
4)Cleaning glass window steel covering and skeleton gluing of surfaces position after dipping boss's glue detergent with cotton after five minutes, and to one
A direction wiping;
5)It is dry after the completion of cleaning, keep operating environment;
6)If be fitted without in 8 hours after wiping boss's glue detergent, step 4 is repeated)With 5).
4. bus fiberglass side skin assembly method according to claim 1, which is characterized in that step 5)Gluing is made
The specific method is as follows for industry:
1)In left and right gusset window seam allowance, door pillar, cabin column seaming position jointing tape paper before gluing;
2)In the rubber cushion of glue sticking position installation thickness 4mm, 350 ~ 500mm of rubber cushion spacing;
3)Gluing is triangle at section, and the wide 10 ~ 14mm in bottom is highly not less than 14mm;Bonding location plays straight line glue, and 3 ~
4 people are carried out at the same time opposite direction gluing operation;The time control of gluing is within 5 minutes;
4)Skeleton surface is less than 40 mm, 1,40 mm or more tubing face gluing 2 of tubing face gluing with fiberglass covering bonding plane
Road ensures the wide covering gluing of surfaces of glue;
5)Glass fiber reinforced plastic surface:Along straight line, gluing is handled on the inside of fiberglass covering at side window seam allowance R radians.
5. bus fiberglass side skin assembly method according to claim 1, which is characterized in that step 6)Fiberglass
Covering assembles and is fixedly clamped, and the specific method is as follows:
1)Because forward and backward passenger doors exist, the operation simultaneously of left-side fiberglass covering bonding;Right side wall fiberglass covering operation is suitable
Sequence:First dress front wall window driver front column refills the 5th column to back wall front column to the 5th window pillar;
2)Adhering glass steel covering:Fiberglass covering is installed on body frame, bonding is coincide with equipped scribing position;
3)Adjust position with rubber hammer or so, the time control away from bonding left and right side fiberglass covering after gluing 15 minutes with
It is interior;
4)If because position is not right to after being bonded for maloperation, left and right side fiberglass covering is adjusted;If side window and special-shaped window opening slip of the tongue
Difference, takes fiberglass covering off, after removing glue, is bonded operation again;
5)When adjustment, fiberglass covering reserves or controls process seam 4-6mm with the preceding rear wall outer panel place of docking;
6)Side window height is measured, -2 mm of side window height dimension error~+2mm is locked in fiberglass covering front and back end, stop portion
Stops locks;
7)Ensure that upper and lower side flatness, square steel end protrude side wall skin 200mm, fiberglass using the square steel and fixture of 60*40
Covering and body side wall skeleton gap size between 3-5mm, front and back section covering docking with self-made tooling compress leveling, reserve or
Control process seam 4-6mm;
8)Unclamp fixture within 24 hours or more.
6. bus fiberglass side skin assembly method according to claim 1, which is characterized in that step 7)Glue and
The specific method is as follows for remaining glue cleaning:
1)It examines whether fiberglass bonding plane glue tamps from the negative, there is gap location reverse side gluing to tamp;
2)Front glass steel covering is cleared up with dust at 4 ~ 6mm of back segment fiberglass covering, anti-with adhesive tape covering after processing is clean
Shield;
3)Front and back ends fiberglass covering encloses dust cleaning at 4 ~ 6mm of covering with forward and backward, anti-with adhesive tape covering after processing totally
Shield;
4)Root out the glue of surface spilling.
7. bus fiberglass side skin assembly method according to claim 1, which is characterized in that step 8)Exterior trimming parts
The specific method is as follows for mounting hole trepanning and finishing:
It checks and verifies left and right gusset fiberglass covering bonded adhesives and all cure, draw side lamp hole, the foot-operated hole site of escape, it
Scribing position trepanning is pressed afterwards;
Self-test is mutually examined.
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CN111805923A (en) * | 2020-07-14 | 2020-10-23 | 河北航隆专用汽车集团有限公司 | Manufacturing process for bonding polyurethane and glass fiber reinforced plastic by using double-component adhesive |
CN115489611A (en) * | 2022-09-09 | 2022-12-20 | 中国第一汽车股份有限公司 | Method for bonding carbon fiber outer skin and aluminum alloy framework minibus body |
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