CN106626413A - Laying and bonding method for aircraft engine fan easily-torn ring and cartridge receiver - Google Patents
Laying and bonding method for aircraft engine fan easily-torn ring and cartridge receiver Download PDFInfo
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- CN106626413A CN106626413A CN201611244060.3A CN201611244060A CN106626413A CN 106626413 A CN106626413 A CN 106626413A CN 201611244060 A CN201611244060 A CN 201611244060A CN 106626413 A CN106626413 A CN 106626413A
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- Prior art keywords
- fan
- bull ring
- easy bull
- easy
- casing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/81455—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps being a fluid inflatable bag or bladder, a diaphragm or a vacuum bag for applying isostatic pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a laying and bonding method of an aircraft engine fan easily-torn ring and a cartridge receiver, and aims to solve the problems that safety and efficiency of an engine are affected by bubbles in a glue joint layer generated after the aircraft engine fan easily-torn ring is bonded in the prior art. The method includes the steps: firstly, preparing the engine cartridge receiver; secondly, preparing the fan easily-torn ring; thirdly, applying glue; fourthly, folding and pressurizing; fifthly, solidifying to finish laying and bonding the aircraft engine fan easily-torn ring and the cartridge receiver. The laying and bonding method is used for laying, bonding and repairing the aircraft engine fan easily-torn ring and the cartridge receiver.
Description
Technical field
The present invention relates to the lay adhering method of the easy bull ring of engine and casing.
Background technology
Reduce fan blade tip using the easy bull ring of rubber is stained between large scale fan blade and casing in aero-engine
Gap between fancase, improves the thrust and efficiency of engine.For example, CFM56, V2500 (wind that the U.S., Europe are developed
Fan diameter 1.5m), PW4000 (fan diameter 2.37m), GE90 Engine Series etc. all employ the wind of silastic material manufacture
Fan easy bull ring to improve the thrust and efficiency of engine, while reducing the abrasion of fan blade, easy bull ring elastomeric material and fan
Cementing structure is adopted between metal casing.Lay bonding and method for repairing and mending directly affects the bonding quality of the easy bull ring of fan and starts
The safety and efficiency of machine, and there is aeration engine in bonding layer after the easy bull ring bonding of engine blower in prior art
Safety and efficiency.
The content of the invention
The invention solves the problems that prior art is present there is bubble shadow in bonding layer after the easy bull ring bonding of aerial engine fan
The problem of the bonding quality of the easy bull ring of sound and the safety and efficiency of engine, and the easy bull ring of aerial engine fan and casing are provided
Lay adhering method.
The easy bull ring of aerial engine fan is completed according to the following steps with the lay adhering method of casing：
First, engine crankcase prepares
It it is 50 DEG C in temperature after aluminum alloy casing sulfur acid anodizing is processed when engine crankcase is aluminum alloy casing
2h is heated under conditions of ± 5 DEG C, room temperature is cooled to the furnace；When engine crankcase is martensitic precipitation stainless steel casing, by horse
Family name's body precipitation stainless steel casing treats gluing of surfaces sand papering, and then acetone is cleaned, and is dried, and obtains pretreated engine
Casing；
2nd, the easy bull ring of fan prepares
The easy bull ring of fan is cut into five parts, then the easy bull ring of the fan of well cutting pre- place is in turn secured into I-shaped folder
Engine crankcase after reason treats bonding plane, and carry out pin numbers, obtains the easy bull ring of fan and pin numbers of pin numbers
Engine crankcase, and positioning butt joint gap of the easy bull ring of fan of pin numbers on engine crankcase should be 1mm～
2mm, removes the easy bull ring of fan of pin numbers, and treats bonding plane using sand papering, and hairbrush is removed chip, finally wiped with acetone
20min～30min is hung after wash clean, it is standby, obtain the easy bull ring of pretreated fan；
The easy bull ring of described fan is silicon rubber glass bead composite；
3rd, gluing
Bonding plane adhesive coating primary coat is treated in the engine crankcase of pin numbers, it is cool to put, treat that adhesive primary coat is dried, apply
The adhesive that thickness is 0.2mm～0.4mm is covered, the engine crankcase after gluing is obtained；The easy bull ring of fan after the pre-treatment is treated
Bonding plane coating thickness is the adhesive of 0.4mm～1mm, keeps flat 5min～10min, obtains the easy bull ring of the fan after gluing；
4th, close up and pressurize
By the easy bull ring of fan after gluing and the engine crankcase after gluing from one end start line style contact be brought together into it is another
End, then clamping position pressurization with I-shaped makes the easy bull ring of fan fit with engine crankcase and extrude unnecessary glue, then easy in fan
Airfelt is laid on bull ring, is sealed in engine crankcase, the easy bull ring of fan and airfelt using sealant tape and vacuum bag film
Together, then it is connected in the perforate of vacuum bag film surface and with vacuum valve seals, vacuum valve connects vavuum pump by flexible pipe, then takes out
Vacuum causes the easy bull ring of fan with engine crankcase in the bar that vacuum is -95kPa～-100kPa and temperature is 18 DEG C～25 DEG C
Under part, pressurize 8h obtains the easy bull ring of fan and the engine crankcase closed up after fixing；
5th, solidify：
At ambient temperature, the easy bull ring of fan closed up after fixing and engine crankcase are solidified into 24h, is then in temperature
Under conditions of 120 DEG C ± 5 DEG C, solidify 2h, finally cool to room temperature with the furnace, that is, complete the easy bull ring of aerial engine fan and casing
Lay bonding.
The invention has the beneficial effects as follows：
1st, control easy bull ring during the easy bull ring of aerial engine fan proposed by the present invention is bonding with the lay of casing to connect
The gap of head is 1mm～2mm, and by cure under pressure the effective bonding of joint can be made, and prevents joint from crossing macrolesion fan blade.
2nd, points five sections of the easy bull ring of aerial engine fan proposed by the present invention and casing carry out that lay is bonding can effectively to be kept away
The casing lower end glue-line for exempting to cause because easy bull ring length is long is blocked up, very high bonding quality and reliability.
3rd, the easy bull ring of aerial engine fan proposed by the present invention is bonding with the lay of casing, compound by vacuum and frock
Pressuring method and pressure size be effectively reduced because fluctuation vacuum causes adhesive linkage bubble occur, improve bonding quality and
Reliability.
Description of the drawings
Fig. 1 is the schematic diagram that the easy bull ring of fan of the present invention closes up with engine crankcase；1 is the easy bull ring of fan, and 2 is gluing
Agent, 3 is engine crankcase, and 4 are I-shaped folder；
Fig. 2 is the schematic diagram of present invention laying airfelt and vacuum bag film；1 is the easy bull ring of fan, and 2 is adhesive, and 3 is to send out
Motivation casing, 4 are I-shaped folder, and 5 is airfelt, and 6 is vacuum bag film.
Specific embodiment
Specific embodiment one：Present embodiment, present embodiment aero-engine wind are illustrated with reference to Fig. 1 and Fig. 2
Fan easy bull ring to complete according to the following steps with the lay adhering method of casing：
First, engine crankcase prepares
It it is 50 DEG C in temperature after aluminum alloy casing sulfur acid anodizing is processed when engine crankcase is aluminum alloy casing
2h is heated under conditions of ± 5 DEG C, room temperature is cooled to the furnace；When engine crankcase is martensitic precipitation stainless steel casing, by horse
Family name's body precipitation stainless steel casing treats gluing of surfaces sand papering, and then acetone is cleaned, and is dried, and obtains pretreated engine
Casing；
2nd, the easy bull ring of fan prepares
The easy bull ring of fan is cut into five parts, then the easy bull ring of the fan of well cutting pre- place is in turn secured into I-shaped folder
Engine crankcase after reason treats bonding plane, and carry out pin numbers, obtains the easy bull ring of fan and pin numbers of pin numbers
Engine crankcase, and positioning butt joint gap of the easy bull ring of fan of pin numbers on engine crankcase should be 1mm～
2mm, removes the easy bull ring of fan of pin numbers, and treats bonding plane using sand papering, and hairbrush is removed chip, finally wiped with acetone
20min～30min is hung after wash clean, it is standby, obtain the easy bull ring of pretreated fan；
The easy bull ring of described fan is silicon rubber glass bead composite；
3rd, gluing
Bonding plane adhesive coating primary coat is treated in the engine crankcase of pin numbers, it is cool to put, treat that adhesive primary coat is dried, apply
The adhesive that thickness is 0.2mm～0.4mm is covered, the engine crankcase after gluing is obtained；The easy bull ring of fan after the pre-treatment is treated
Bonding plane coating thickness is the adhesive of 0.4mm～1mm, keeps flat 5min～10min, obtains the easy bull ring of the fan after gluing；
4th, close up and pressurize
By the easy bull ring of fan after gluing and the engine crankcase after gluing from one end start line style contact be brought together into it is another
End, then clamping position pressurization with I-shaped makes the easy bull ring of fan fit with engine crankcase and extrude unnecessary glue, then easy in fan
Airfelt is laid on bull ring, is sealed in engine crankcase, the easy bull ring of fan and airfelt using sealant tape and vacuum bag film
Together, then it is connected in the perforate of vacuum bag film surface and with vacuum valve seals, vacuum valve connects vavuum pump by flexible pipe, then takes out
Vacuum causes the easy bull ring of fan with engine crankcase in the bar that vacuum is -95kPa～-100kPa and temperature is 18 DEG C～25 DEG C
Under part, pressurize 8h obtains the easy bull ring of fan and the engine crankcase closed up after fixing；
5th, solidify：
At ambient temperature, the easy bull ring of fan closed up after fixing and engine crankcase are solidified into 24h, is then in temperature
Under conditions of 120 DEG C ± 5 DEG C, solidify 2h, finally cool to room temperature with the furnace, that is, complete the easy bull ring of aerial engine fan and casing
Lay bonding.
This specific embodiment is used to for the easy bull ring of fan to bond to engine crankcase.The easy bull ring of fan is a kind of silicon rubber
Glue glass bead composite, engine crankcase is typically processed by aluminum alloy forge piece or martensitic precipitation stainless steel.
This specific embodiment lays successively airfelt and vacuum bag film, when sealant tape is sealed, if running into I-shaped folder position
It is replaced using other I-shaped folders when putting, has remained that I-shaped folder is clamped, prevents easy bull ring alice from introducing bubble.
This specific embodiment is using the indirect method of inspection checked with stove part as the easy bull ring splicing of fan.With stove part glue
Connect and be glued identical using material with the easy bull ring of fan, and the preparation with stove part should be glued with the easy bull ring of fan and synchronously carry out.By GB/
Bonding strength sample dimensions require 10 metal specimens of processing and the easy bull ring test piece of 5 fans in T11211-2009.Gluing of surfaces
Process with reference to this specific embodiment step one and two.When being detected, whether the bonded part first after range estimation solidification has alice
Or viscous askew phenomenon.Then with glue under engine crankcase material identical with the easy bull ring splicing of fan, same time, same process conditions
What is connect carries out bonding quality inspection with stove part, and bonding strength sample is no less than 5, by the regulation in GB/T11211-2009
Method is tested, and intensity should be greater than 1.2MPa.The easy bull ring of fan be glued after if any alice, glue askew, play movement be not inconsistent and with
Stove part intensity does not reach the situation of index request should be glued again.
The easy bull ring restorative procedure of aerial engine fan, reaching service life for the easy bull ring of fan carries out Replacement and Repair,
With perching knife by under fan easy bull ring shovel, remove the remaining glue on engine crankcase bonding plane, with sand papering engine crankcase until
Expose metallic luster, cleaned with acetone after polishing, dry, then grasped to step 5 by this specific embodiment step 2
Make.
Adhesive primary coat in this specific embodiment step 3 answers clear without precipitation, rubs when using；Adhesive makes
Ratio packing element (10 is filled to front packet part:1) standing and defoaming in, installs piston when using, remove packing element packing tube plug, uses
Manually or Pneumatic glue gun promote piston make two, exit component squeeze it is flat after to install mixing head standby.
Engine crankcase in this specific embodiment step 3 in pin numbers treats bonding plane adhesive coating primary coat, sees
Observe moistened surface.
In this specific embodiment step 3 after primary coat is dried, if surface bleach must be cleaned with acetone after coating adhesive again
Stick primary coat.
This specific embodiment step 3 adhesive is directly extruded into by viscous material surface along one using manual or Pneumatic glue gun
Individual direction strikes off.
The easy bull ring of this specific embodiment step 3 fan after the pre-treatment treat bonding plane coating thickness for 0.4mm～
The adhesive of 1mm, keeps flat 5min～10min, makes adhesive levelling, if out-of-flatness or having the bubble should coating adhesive again.
The beneficial effect of present embodiment is：1st, present embodiment is proposed aerial engine fan easy bull ring and casing
The gap that easy bull ring banjo fixing butt jointing is controlled in lay bonding is 1mm～2mm, and by cure under pressure the effective bonding of joint can be made, and is prevented
Only joint crosses macrolesion fan blade.
2nd, the easy bull ring of aerial engine fan and the casing that present embodiment is proposed divide five sections to carry out lay is bonding to be had
Effect avoids the casing lower end glue-line caused because easy bull ring length is long blocked up, very high bonding quality and reliability.
3rd, the easy bull ring of aerial engine fan that present embodiment is proposed is bonding with the lay of casing, by vacuum and frock
Compound pressuring method and pressure size is effectively reduced because fluctuation vacuum causes adhesive linkage bubble occur, improves bonding matter
Amount and reliability.
Specific embodiment two：Present embodiment from unlike specific embodiment one：It is gluing described in step 3
Agent primary coat is the CLEAR RTV PRIME COAT of DOW CORNING 1200, and described adhesive is Momentive
Performance Materials RTV630.Other are identical with specific embodiment one.
Specific embodiment three：Present embodiment from unlike specific embodiment one or one of two：Institute in step 4
The airfelt stated is Airweave N10；Vacuum bag film described in step 4 is L500Y；Sealant tape described in step 4
For AT-200Y.Other are identical with specific embodiment one or two.
Specific embodiment four：Unlike one of present embodiment and specific embodiment one to three：In step one when
When engine crankcase is aluminum alloy casing, after aluminum alloy casing sulfur acid anodizing is processed, add under conditions of temperature is for 50 DEG C
Hot 2h, cools to room temperature with the furnace.Other are identical with specific embodiment one to three.
Specific embodiment five：Unlike one of present embodiment and specific embodiment one to four：It is fixed in step 2
Positioning butt joint gap of the easy bull ring of fan of bit number on engine crankcase should be 1.5mm.Other and specific embodiment party
Formula one to four is identical.
Specific embodiment six：Unlike one of present embodiment and specific embodiment one to five：Take in step 2
The easy bull ring of fan of lower pin numbers, and bonding plane is treated using sand papering, hairbrush is removed chip, is finally scrubbed with acetone
After hang 25min.Other are identical with specific embodiment one to five.
Specific embodiment seven：Unlike one of present embodiment and specific embodiment one to six：In step 3
The engine crankcase of pin numbers treats bonding plane adhesive coating primary coat, cool to put, and treats that adhesive primary coat is dried, and coating thickness is
The adhesive of 0.3mm.Other are identical with specific embodiment one to six.
Specific embodiment eight：Unlike one of present embodiment and specific embodiment one to seven：In step 3
The easy bull ring of pretreated fan treats the adhesive that bonding plane coating thickness is 0.8mm, keeps flat 8min.Other and specific embodiment party
Formula one to seven is identical.
Specific embodiment nine：Unlike one of present embodiment and specific embodiment one to eight：Make in step 4
The easy bull ring of fan and engine crankcase are -98kPa in vacuum and temperature is pressurize 8h under conditions of 20 DEG C.Other and tool
Body embodiment one to eight is identical.
Specific embodiment ten：Unlike one of present embodiment and specific embodiment one to nine：In step 5
Temperature be 120 DEG C under conditions of, solidify 2h.Other are identical with specific embodiment one to nine.
Beneficial effects of the present invention are verified using following examples：
Embodiment one：
The easy bull ring of the present embodiment aerial engine fan is completed according to the following steps with the lay adhering method of casing：
First, engine crankcase prepares
Described engine crankcase is martensitic precipitation stainless steel casing, and martensitic precipitation stainless steel casing is treated into bonding table
Face sand papering, then acetone scouring, dries, and obtains pretreated engine crankcase；
2nd, the easy bull ring of fan prepares
The easy bull ring of fan is cut into five parts, then the easy bull ring of the fan of well cutting pre- place is in turn secured into I-shaped folder
Engine crankcase after reason treats bonding plane, and carry out pin numbers, obtains the easy bull ring of fan and pin numbers of pin numbers
Engine crankcase, and positioning butt joint gap of the easy bull ring of fan of pin numbers on engine crankcase should be 1.5mm, take
The easy bull ring of fan of lower pin numbers, and bonding plane is treated using sand papering, hairbrush is removed chip, is finally scrubbed with acetone
After hang 25min, it is standby, obtain the easy bull ring of pretreated fan；
The easy bull ring of described fan is silicon rubber glass bead composite；
3rd, gluing
Bonding plane adhesive coating primary coat is treated in the engine crankcase of pin numbers, it is cool to put, treat that adhesive primary coat is dried, apply
The adhesive that thickness is 0.3mm is covered, the engine crankcase after gluing is obtained；The easy bull ring of fan after the pre-treatment treats that bonding plane is applied
The adhesive that thickness is 0.8mm is covered, 8min is kept flat, the easy bull ring of the fan after gluing is obtained；
4th, close up and pressurize
By the easy bull ring of fan after gluing and the engine crankcase after gluing from one end start line style contact be brought together into it is another
End, then clamping position pressurization with I-shaped makes the easy bull ring of fan fit with engine crankcase and extrude unnecessary glue, then easy in fan
Airfelt is laid on bull ring, engine crankcase, the easy bull ring of fan, airfelt are sealed in into one using sealant tape and vacuum bag film
Rise, be then connected in the perforate of vacuum bag film surface and with vacuum valve seals, vacuum valve connects vavuum pump by flexible pipe, then take out true
Sky causes that the easy bull ring of fan and engine crankcase are -98kPa in vacuum and temperature is that under conditions of 20 DEG C, pressurize 8h is obtained
The easy bull ring of fan closed up after fixing and engine crankcase；
5th, solidify
At ambient temperature, the easy bull ring of fan closed up after fixing and engine crankcase are solidified into 24h, is then in temperature
Under conditions of 120 DEG C, solidify 2h, finally cool to room temperature with the furnace, that is, complete the paving of the easy bull ring of aerial engine fan and casing
Put adhering method；
Adhesive primary coat described in step 3 is the CLEAR RTV PRIME COAT of DOW CORNING 1200, described
Adhesive be Momentive Performance MaterialsRTV630；
Airfelt described in step 4 is Airweave N10；Vacuum bag film described in step 4 is L500Y；Step
Sealant tape described in four is AT-200Y.
The present embodiment is used to for the easy bull ring of fan to bond to engine crankcase.The easy bull ring of fan is a kind of silicon rubber glass
Microballon composite, engine crankcase is processed by martensitic precipitation stainless steel.
The present embodiment lays successively airfelt and vacuum bag film, when sealant tape is sealed, if should when running into I-shaped folder position
It is replaced with other I-shaped folders, has remained that I-shaped folder is clamped, prevents easy bull ring alice from introducing bubble.
Adhesive primary coat clear is rubbed without precipitation when using in the present embodiment step 3；Adhesive uses front packet
Part is filled to ratio packing element (10:1) standing and defoaming in, installs piston when using, remove packing element packing tube plug, with manual or gas
Dynamic glue rifle promote piston make two, exit component squeeze it is flat after to install mixing head standby.
Engine crankcase in the present embodiment step 3 in pin numbers treats bonding plane adhesive coating primary coat, it was observed that table
Face soaks.
In the present embodiment step 3 after primary coat is dried, if surface bleach must be cleaned with acetone after adhesive coating bottom again
Apply.
The present embodiment step 3 adhesive is directly extruded into by viscous material surface in one direction using manual or Pneumatic glue gun
Strike off.
The easy bull ring of the present embodiment step 3 fan after the pre-treatment treats the adhesive that bonding plane coating thickness is 0.8mm,
8min is kept flat, adhesive levelling is made, if out-of-flatness or having the bubble should coating adhesive again.
The present embodiment is using the indirect method of inspection checked with stove part as the easy bull ring splicing of fan.It is glued with stove part and wind
Fan easy bull ring and be glued identical using material, and the preparation with stove part should be glued with the easy bull ring of fan and synchronously carry out.By GB/
Bonding strength sample dimensions require 10 metal specimens of processing and the easy bull ring test piece of 5 fans in T11211-2009.Gluing of surfaces
Process with reference to the present embodiment step one and two.When being detected, whether the bonded part first after range estimation solidification has alice or viscous askew
Phenomenon.Then with splicing under engine crankcase material identical with the easy bull ring splicing of fan, same time, same process conditions
Bonding quality inspection is carried out with stove part, bonding strength sample is no less than 5, enters by the method for the regulation in GB/T11211-2009
Row test, intensity should be greater than 1.2MPa.The easy bull ring of fan is not inconsistent and strong with stove part after being glued if any alice, viscous askew, play movement
Degree does not reach the situation of index request should be glued again.
The easy bull ring of engine blower in this way after bonding with stove part bonding strength be respectively 1.80MPa, 1.87MPa,
1.92MPa, 1.85MPa and 1.94MPa, engine uses the easy bull ring surface finishing of aft-fan, does not occur because adhesive linkage has gas
Bubble causes the easy bull ring of fan to destroy block or the phenomenon of the pit that rubs out by fan.
Claims (9)
1. the lay adhering method of the easy bull ring of aerial engine fan and casing, it is characterised in that the easy bull ring of aerial engine fan
Complete according to the following steps with the lay adhering method of casing：
First, engine crankcase prepares
It it is 50 DEG C ± 5 DEG C in temperature after aluminum alloy casing sulfur acid anodizing is processed when engine crankcase is aluminum alloy casing
Under conditions of heat 2h, cool to room temperature with the furnace；When engine crankcase is martensitic precipitation stainless steel casing, martensite is sunk
Shallow lake stainless steel casing treats gluing of surfaces sand papering, and then acetone is cleaned, and is dried, and obtains pretreated engine crankcase；
2nd, the easy bull ring of fan prepares
The easy bull ring of fan is cut into five parts, then the easy bull ring of the fan of well cutting is in turn secured to after pretreatment with I-shaped folder
Engine crankcase treat bonding plane, and carry out pin numbers, obtain the easy bull ring of fan of pin numbers and starting for pin numbers
Machine casing, and positioning butt joint gap of the easy bull ring of fan of pin numbers on engine crankcase should be 1mm～2mm, take
The easy bull ring of fan of lower pin numbers, and bonding plane is treated using sand papering, hairbrush is removed chip, is finally scrubbed with acetone
After hang 20min～30min, it is standby, obtain the easy bull ring of pretreated fan；
The easy bull ring of described fan is silicon rubber glass bead composite；
3rd, gluing
Bonding plane adhesive coating primary coat is treated in the engine crankcase of pin numbers, it is cool to put, treat that adhesive primary coat is dried, coating is thick
The adhesive for 0.2mm～0.4mm is spent, the engine crankcase after gluing is obtained；The easy bull ring of fan after the pre-treatment treats bonding
Face coating thickness is the adhesive of 0.4mm～1mm, keeps flat 5min～10min, obtains the easy bull ring of the fan after gluing；
4th, close up and pressurize
The easy bull ring of fan after gluing and the engine crankcase after gluing started into line style from one end contact to be brought together into the other end, so
Clamping position pressurization with I-shaped afterwards makes the easy bull ring of fan fit with engine crankcase and extrude unnecessary glue, then on the easy bull ring of fan
Laying airfelt, is sealed engine crankcase, the easy bull ring of fan and airfelt using sealant tape and vacuum bag film, so
It is connected in the perforate of vacuum bag film surface and with vacuum valve seals afterwards, vacuum valve connects vavuum pump by flexible pipe, and then vacuumizing makes
The easy bull ring of fan and engine crankcase are -95kPa～-100kPa in vacuum and temperature is under conditions of 18 DEG C～25 DEG C,
Pressurize 8h, obtains the easy bull ring of fan and the engine crankcase closed up after fixing；
5th, solidify：
At ambient temperature, the easy bull ring of fan closed up after fixing and engine crankcase are solidified into 24h, is then 120 in temperature
Under conditions of DEG C ± 5 DEG C, solidify 2h, finally cool to room temperature with the furnace, that is, complete the easy bull ring of aerial engine fan with casing
Lay bonding.
2. the lay adhering method of the easy bull ring of aerial engine fan according to claim 1 and casing, it is characterised in that
Airfelt described in step 4 is Airweave N10；Vacuum bag film described in step 4 is L500Y；Described in step 4
Sealant tape be AT-200Y.
3. the lay adhering method of the easy bull ring of aerial engine fan according to claim 1 and casing, it is characterised in that
It it is 50 DEG C in temperature after aluminum alloy casing sulfur acid anodizing is processed in step one when engine crankcase is aluminum alloy casing
Under conditions of heat 2h, cool to room temperature with the furnace.
4. the lay adhering method of the easy bull ring of aerial engine fan according to claim 1 and casing, it is characterised in that
Positioning butt joint gap of the easy bull ring of the fan of pin numbers on engine crankcase should be 1.5mm in step 2.
5. the lay adhering method of the easy bull ring of aerial engine fan according to claim 1 and casing, it is characterised in that
The easy bull ring of fan of pin numbers is removed in step 2, and bonding plane is treated using sand papering, hairbrush removes chip, finally with third
Ketone hangs 25min after scrubbing.
6. the lay adhering method of the easy bull ring of aerial engine fan according to claim 1 and casing, it is characterised in that
Engine crankcase in step 3 in pin numbers treats bonding plane adhesive coating primary coat, cool to put, and treats that adhesive primary coat is dried, and applies
Cover the adhesive that thickness is 0.3mm.
7. the lay adhering method of the easy bull ring of aerial engine fan according to claim 1 and casing, it is characterised in that
The easy bull ring of fan in step 3 after the pre-treatment treats the adhesive that bonding plane coating thickness is 0.8mm, keeps flat 8min.
8. the lay adhering method of the easy bull ring of aerial engine fan according to claim 1 and casing, it is characterised in that
Cause that the easy bull ring of fan and engine crankcase are -98kPa in vacuum and temperature is pressurize under conditions of 20 DEG C in step 4
8h。
9. the lay adhering method of the easy bull ring of aerial engine fan according to claim 1 and casing, it is characterised in that
In step 5 under conditions of temperature is for 120 DEG C, solidify 2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244060.3A CN106626413A (en) | 2016-12-28 | 2016-12-28 | Laying and bonding method for aircraft engine fan easily-torn ring and cartridge receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244060.3A CN106626413A (en) | 2016-12-28 | 2016-12-28 | Laying and bonding method for aircraft engine fan easily-torn ring and cartridge receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106626413A true CN106626413A (en) | 2017-05-10 |
Family
ID=58836118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611244060.3A Pending CN106626413A (en) | 2016-12-28 | 2016-12-28 | Laying and bonding method for aircraft engine fan easily-torn ring and cartridge receiver |
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| CN114055805A (en) * | 2020-08-10 | 2022-02-18 | 中国航发商用航空发动机有限责任公司 | Manufacturing method of easily-worn ring of aircraft engine fan |
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