CN108591322A - A kind of automotive composite material helical spring and preparation method thereof - Google Patents
A kind of automotive composite material helical spring and preparation method thereof Download PDFInfo
- Publication number
- CN108591322A CN108591322A CN201810501163.6A CN201810501163A CN108591322A CN 108591322 A CN108591322 A CN 108591322A CN 201810501163 A CN201810501163 A CN 201810501163A CN 108591322 A CN108591322 A CN 108591322A
- Authority
- CN
- China
- Prior art keywords
- fixed bed
- composite material
- helical spring
- thickness
- mandrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000004888 barrier function Effects 0.000 claims abstract description 4
- 239000002657 fibrous material Substances 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 239000002985 plastic film Substances 0.000 claims abstract description 4
- 229920006255 plastic film Polymers 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 31
- 238000004804 winding Methods 0.000 claims description 28
- 229920002748 Basalt fiber Polymers 0.000 claims description 18
- 238000005253 cladding Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 238000004033 diameter control Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims 1
- 239000010408 film Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 241001163600 Bathylaco nigricans Species 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/774—Springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The present invention relates to a kind of automotive composite material helical springs and preparation method thereof, it is characterised in that:Composite material helical spring is made of mandrel, interior fixed bed, middle layer, outer fixed bed and outer support layer, mandrel wraps up interior fixed bed, middle layer, outer fixed bed and outer support layer successively from the inside to the outside, a diameter of 2mm 5mm of mandrel, fixed internal layer is PE films, its thickness is 0.5mm 1.5mm, middle layer is one-way tape fibrous material, and for one-way tape fiber on fixed internal layer, axle center angle of the individual event with machine direction and mandrel is ± 45 °;Outer fixed bed is made of plastic film and barrier paper, and the thickness of outer fixed bed is 0.5mm 1.5mm, and outer support layer uses plastic tube, shore a hardness to control between 50 80;It can prepare the composite material helical spring that a kind of light weight, technique are uncomplicated, are suitble to industry shield, high intensity and fatigue life.
Description
Technical field
The present invention relates to a kind of automotive composite material helical spring and preparation method thereof, which applies outstanding in passenger car
In frame system on helical spring.
Background technology
The automotive energy-saving emission-reducing of Chinese government's release in recent years reduces oil consumption target.It is, in general, that automobile for automobile
The weight the big more oil consumption, and the carbon dioxide of generation is more, therefore the light-weighted demand of automobile is more and more urgent.With mould Dai Gang,
It is automotive light weight technology important channel to improve product structure and do auto parts and components using light material.The present invention is exactly with compound
Material substitution traditional metal materials do automobile spiral spring, to reach product lightweight purpose.
With " composite material helical spring, composite material wind spring, basalt fibre helical spring, carbon fiber fiber spiral bullet
Spring, glass fibre helical spring " keyword carries out patent retrieval, retrieves relevant patent document;
7 patents are retrieved with search key " composite material helical spring ", other keywords do not find related patents
The content that this 7 patents are related to have the shortcomings that it is corresponding, be not base oneself upon using angle and industrialization angle invention patent,
It is of high cost or cause spring stiffness and intensity cannot be guaranteed that one is straightforward or technique on it is defective.
For this purpose, in order to overcome above-mentioned technical deficiency, a kind of light weight of present invention offer, technique are uncomplicated, are suitble to industry shield, are high
Intensity and fatigue life composite material helical spring.
Invention content
The object of the present invention is to provide a kind of automotive composite material helical springs and preparation method thereof, can prepare a kind of light
Amount, technique are uncomplicated, are suitble to industry to protect, the composite material helical spring of high intensity and fatigue life.
The technical proposal of the invention is realized in this way:A kind of automotive composite material helical spring and preparation method thereof,
It is characterized in that:Composite material helical spring is made of mandrel, interior fixed bed, middle layer, outer fixed bed and outer support layer, mandrel from
In in wrapping up successively outside fixed bed, middle layer, outer fixed bed and outer support layer, a diameter of 2mm-5mm of mandrel, fixed internal layer
For PE films, thickness 0.5mm-1.5mm, middle layer is one-way tape fibrous material, and one-way tape fiber is wound on fixed internal layer
On, axle center angle of the individual event with machine direction and mandrel is ± 45 °;Outer fixed bed is made of plastic film and barrier paper, outer solid
The thickness of given layer is 0.5mm-1.5mm, and outer support layer uses plastic tube, shore a hardness to control between 50-80;It is specifically made
It is standby that steps are as follows:
Step 1, line rolling winding basalt fibre under 300mm/min-500mm/min speed, by guide plate by basalt
Fiber is drawn in glue pond, and extra rubber cement is being struck off by related extrusion tooling, is then being scraped using guide plate and extrusion tooling
Except extra rubber cement and twisting, twist 30-50T/m, the fiber number of basalt fibre control after twirl diameter 3mm-5mm it
Between, shore a hardness controls between 50-80, and resistance to temperature range is at -40 DEG C -+160 DEG C, according to the straight of per share basalt fibre
Diameter calculates required number of fiber, and particular number is the μ m 10 of 6 strands × 18 beam × 400 piece × 0.13-3, prepare basalt fibre
Mandrel and middle layer individual event cloth, then carry out cutting prepare as defined in length inner core 1 and unidirectional cloth;
Step 2 tailors width 20mm-30mm, the interior fixed bed that thickness is 0.5mm-1.5mm, with 30mm/min-50mm/min speed
Degree, interior fixed bed center line and inner core centerlines β are that 45 ° of ± 5 ° of directions claddings are wrapped on inner core, implementation process winding
Thickness is uniform, and lap-joint is 3 mm -5mm, cannot play fold;
Step 3, one-way fiber fabric are as middle layer, width 30mm-50mm, thickness 0.15mm-0.18mm, and size tailors rule
Measured length, the machine direction and mandrel axis alpha of one-way fiber fabric outside interior fixed bed, coat speed of wrap control for 45 ° ± 5 °
System goes out the cladding winding number of plies in 50 mm/min -100mm/min, according to the diameter calculation of composite material helical spring.Implemented
Journey winding thickness is uniform, cannot play fold;
Step 4 tailors width 30mm-50mm, the outer fixed bed that thickness is 0.5mm-1.5mm, with 30mm/min-50mm/min speed
Degree, outer fixed bed center line and inner core centerlines β carry out cladding for 45 ° of ± 5 ° of directions and are wrapped on unidirectional cloth, winding layer
1-3 layers of number, implementation process winding thickness is uniform, and lap-joint is 3 mm -5mm, cannot play fold;
Step 5 cuts outer support layer, and high temperature resistant reaches 160 DEG C, and between 50-80, hose diameter control exists shore a hardness
Less than composite material helical spring diameter -0.2mm-0.5mm.Then spring silk is embedded in outer support layer;
The spring silk for coating hose is wrapped in corresponding internal model by step 6;
External mold and internal model are closed and are locked by step 7, and locking torque locks external mold in 50N.m-100 N.m;
Mold is put into insulating box and is heating and curing by step 8, and mold is taken out after solidification, is opened mold and is taken out sample, and removes
Outer support layer and outer fixed bed, are prepared composite material helical spring;The condition that is heating and curing is as follows:
1)At 25 DEG C ± 2 DEG C, 30min is placed;
2)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 50 DEG C ± 2 DEG C, 30min is kept at this temperature;
3)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 100 DEG C ± 2 DEG C, 30min is kept at this temperature;
4)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 150 DEG C ± 2 DEG C, 30min is kept at this temperature;
5)Insulating box power supply is closed, room temperature is naturally cooling to.
The interior fixed bed is PE films, and PE films can also be replaced with to glass fibre preimpregnation and compile cloth.
The positive effect of the present invention, which is it, can prepare that a kind of light weight, technique are uncomplicated, are suitble to industrialization, high intensity and fatigue
The composite material helical spring in service life;Weight reduces by 40% or so compared with the helical spring of conventional metals, and fatigue strength is tradition
2 times of metal spring, good corrosion resistance do not have to surface corrosion-resistant treatments.
Description of the drawings
Fig. 1 is the structure chart of the present invention.
Fig. 2 is the specific preparation facilities layout drawing of the present invention.
Fig. 3 is the middle layer machine direction figure of the present invention.
Fig. 4 is the interior fixed bed winding direction figure of the present invention.
Fig. 5 is the internal model structure figure of the present invention.
Fig. 6 is the internal model and cast outer mold structure relational graph of the present invention.
Fig. 7 is the helical spring final effect figure of the present invention.
Fig. 8 is the condition value figure that is heating and curing of the present invention.
Specific implementation mode
The present invention will be further described with embodiment below in conjunction with the accompanying drawings:As shown in Figure 1, 2, a kind of automotive composite material
Helical spring and preparation method thereof, it is characterised in that:Composite material helical spring is by mandrel 1, interior fixed bed 2, middle layer 3, outer
Fixed bed 4 and outer support layer 5 form, and mandrel 1 wraps up interior fixed bed 2, middle layer 3, outer fixed bed 4 and outer branch successively from the inside to the outside
Layer 5, a diameter of 2mm-5mm of mandrel 1 are supportted, fixed internal layer 2 is PE films, and thickness 0.5mm-1.5mm, middle layer 3 is single
To band fibrous material, one-way tape fiber on fixed internal layer 2, axle center angle of the individual event with machine direction and mandrel 1 be ±
45°;Outer fixed bed 4 is made of plastic film and barrier paper, and the thickness of outer fixed bed 4 is 0.5mm-1.5mm, and outer support layer 5 is adopted
With plastic tube, shore a hardness controls between 50-80.
Its specific preparation process is as follows:
Step 1, line rolling winding basalt fibre 6 under 300mm/min-500mm/min speed, by guide plate 7 by the Black Warrior
Rock fiber is drawn in glue pond 8, and extra rubber cement 9 is being struck off by related extrusion tooling, then using guide plate 7 and extruding work
Dress strikes off extra rubber cement 9 and twists, twist 30-50T/m, and the fiber number of basalt fibre 6 controls the diameter after twirl
Between 3mm-5mm, shore a hardness controls between 50-80, and resistance to temperature range is at -40 DEG C -+160 DEG C, according to the per share Black Warrior
The diameter calculation of rock fiber 6 goes out required number of fiber, and particular number is 6 strands ×(The μ m 10 of 18 beam × 400 piece × 0.13-3), system
It is standby go out the mandrel 1 of basalt fibre and the individual event cloth of middle layer, then carry out cutting prepare as defined in length inner core 1 and unidirectional
Cloth.
Step 2, as shown in figure 4, tailor width 20mm-30mm, thickness be 0.5mm-1.5mm interior fixed bed 2, with
30mm/min-50mm/min speed, interior fixed bed center line and inner core centerlines β are that 45 ° of ± 5 ° of directions claddings are wrapped in
On inner core, implementation process winding thickness is uniform, and lap-joint is 3 mm -5mm, cannot play fold.
Step 3, as shown in figure 3, one-way fiber fabric as middle layer 3, width 30mm-50mm, thickness 0.15mm-
0.18mm, size tailor specific length, and machine direction and the mandrel axis alpha of one-way fiber fabric are 45 ° ± 5 ° outside interior fixed bed
Portion, the control of cladding speed of wrap go out packet in 50 mm/min -100mm/min, according to the diameter calculation of composite material helical spring
Cover the winding number of plies.Implementation process winding thickness is uniform, cannot play fold.
Step 4 tailors width 30mm-50mm, the outer fixed bed 4 that thickness is 0.5mm-1.5mm, with 30mm/min-50mm/
Min speed, outer fixed bed center line and inner core centerlines β carry out cladding for 45 ° of ± 5 ° of directions and are wrapped on unidirectional cloth, twine
Around 1-3 layers of the number of plies, implementation process winding thickness is uniform, and lap-joint is 3 mm -5mm, cannot play fold.
Step 5 cuts outer support layer 5, and high temperature resistant reaches 160 DEG C, and shore a hardness is between 50-80, hose diameter control
System is less than composite material helical spring diameter -0.2mm-0.5mm.Then spring silk is embedded in outer support layer.
Step 6, as shown in figure 5, the spring silk for coating hose is wrapped in corresponding internal model 10.
Step 7, as shown in fig. 6, close and lock external mold and internal model, locking torque is outer in 50N.m-100 N.m lockings
Mould.
Mold is put into insulating box and is heating and curing by step 8, heating condition as shown in figure 8, take out mold after solidification,
It opens mold and takes out sample, and remove outer support layer and outer fixed bed, composite material helical spring is prepared, as shown in Figure 7;
The condition that is heating and curing is as follows:
1)At 25 DEG C ± 2 DEG C, 30min is placed;
2)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 50 DEG C ± 2 DEG C, 30min is kept at this temperature;
3)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 100 DEG C ± 2 DEG C, 30min is kept at this temperature;
4)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 150 DEG C ± 2 DEG C, 30min is kept at this temperature;
5)Insulating box power supply is closed, room temperature is naturally cooling to.
The interior fixed bed 2 is PE films, and PE films can also be replaced with to glass fibre preimpregnation and compile cloth.
Embodiment 1
1. all materials must be placed under room temperature state more than for 24 hours, composite material helical spring can be just started from.
2. as shown in Fig. 2, the basalt fibre 6 of line rolling winding passes through guiding under 300mm/min-500mm/min speed
Plate 7 is striking off extra rubber cement 9 by related extrusion tooling, then using guide plate by basalt fibre traction glue pond 8
7 and extrusion tooling strike off extra rubber cement 9 and twist, prepare basalt fibre inner core 1 and the individual event cloth of middle layer, then into
Row, which is cut, prepares defined length inner core 1 and unidirectional cloth.1 diameter of inner core is 3mm in the present embodiment, previously according to per share fiber
Diameter calculation go out required number of fiber 6.
3. tailor width 20mm-30mm, thickness be 0.5mm-1.5mm PE films as interior fixed bed 2, with 30mm/min-
50mm/min speed, thin film center line and inner core center line are ± 45 ° ± 5 ° by angle α as shown in Figure 3, by film with -45 ° ±
5 directions cladding is wrapped in inner core 1, only coats the PE films in a direction, is otherwise wrapped around by another direction.Wind the number of plies
1-3 layers, implementation process winding thickness is uniform, and lap-joint is 3 mm -5mm, cannot play fold.
4. the basalt fibre unidirectional cloth being prepared is as middle layer 3, width 30mm-50mm, thickness 0.15mm-
0.18mm, size tailor specific length.Unidirectional cloth machine direction is ± 45 ° ± 5 ° with inner core axes angle β, as shown in Figure 3.It is first
First unidirectional cloth is wrapped in -45 ° of ± 5 ° of angles claddings outside PE films, and cladding speed of wrap control is in 50 mm/min -
100mm/min, then unidirectional cloth 3-1 equally coated with+45 ° of ± 5 ° of angles again.According to the diameter meter of composite material helical spring
Calculate the cladding winding number of plies.Implementation process winding thickness is uniform, cannot play fold.
5. tailor width 30mm-50mm, thickness be 0.5mm-1.5mm PET films as outer fixed bed 4, with 30mm/
PET film cladding is wrapped on unidirectional cloth according to the 3rd article of mode, winds 1-3 layers of the number of plies, implement by min-50mm/min speed
Process winding thickness is uniform, and lap-joint is 3 mm -5mm, cannot play fold.
6. cutting suitable length fluorine sebific duct as outer support layer 5, high temperature resistant reaches 160 DEG C, and shore a hardness is in 50-80
Between, hose diameter is controlled less than composite material helical spring diameter -0.2mm-0.5mm.Then spring silk insertion fluorine glue is soft
Guan Zhong.
7. the spring silk for coating hose is wrapped in corresponding internal model 10, such as Fig. 5.
8. external mold 11 and internal model are closed and locked, such as Fig. 6, locking torque locks external mold 11 in 50N.m-100 N.m.
9. mold is put into insulating box to be heating and curing by shown in following condition and Fig. 8, mold is taken out after solidification, is opened
Mold takes out sample, and removes outer support layer and outer fixed bed, and composite material helical spring such as Fig. 7 is prepared.
The condition that is heating and curing is as follows:
1)At 25 DEG C ± 2 DEG C, 30min is placed;
2)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 50 DEG C ± 2 DEG C, 30min is kept at this temperature;
3)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 100 DEG C ± 2 DEG C, 30min is kept at this temperature;
4)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 150 DEG C ± 2 DEG C, 30min is kept at this temperature;
5)Insulating box power supply is closed, room temperature is naturally cooling to.
Embodiment 2
1. all materials must be placed under room temperature state more than for 24 hours, composite material helical spring can be just started from.
2. preparing the TPV inner cores of a diameter of 3mm, the isometric length dimension of same composite material helical spring is cut.
3. tailor width 20mm-30mm, thickness is that the preimpregnation of 0.5mm-1.5mm glass fibres compiles cloth as interior fixed bed, with
30mm/min-50mm/min speed, thin film center line are ± 45 ° ± 5 ° by angle α as shown in Figure 3 with inner core center line, will be thin
Film is wrapped in inner core 1 with -45 ° of ± 5 directions claddings, only coats the PE films in a direction, otherwise presses another direction winding packet
It covers.1-3 layers of the number of plies is wound, implementation process winding thickness is uniform, and lap-joint is 3 mm -5mm, cannot play fold.
4. the glass unidirectional cloth being prepared is as middle layer 3, width 30mm-50mm, thickness 0.15mm-
0.18mm, size tailor specific length.Unidirectional cloth machine direction is ± 45 ° ± 5 ° as shown in Figure 3 with inner core axes angle β.It is first
First unidirectional cloth is wrapped in -45 ° of ± 5 ° of angles claddings outside PE films, and cladding speed of wrap control is in 50 mm/min -
100mm/min, then unidirectional cloth equally coated with+45 ° of ± 5 ° of angles again.Gone out according to the diameter calculation of composite material helical spring
The cladding winding number of plies.Implementation process winding thickness is uniform, cannot play fold.
5. tailor width 30mm-50mm, thickness be 0.5mm-1.5mm silicon coatings paper as outer fixed bed 4, with silicon coating paper
Good effect be that spring silk is embedded and to extract composite material helical spring smooth, not 5 inner wall of viscous outer support layer.With 30mm/
Silicon coating paper bag is covered according to the 3rd article of method and is wrapped on unidirectional cloth by min-50mm/min speed, winds 1-3 layers of the number of plies, is implemented
Process winding thickness is uniform, and lap-joint is 3 mm -5mm, cannot play fold.
6. cutting suitable length PO hoses as outer support layer 5, high temperature resistant reaches 160 DEG C, and shore a hardness is in 50-80
Between, then spring silk is embedded in PO hoses, adds more than composite material helical spring diameter 1mm-5mm by hose diameter control
100 DEG C -150 DEG C of heat is PO hoses tightly docile on spring silk outer surface.
7. the spring silk for coating hose is wrapped in corresponding internal model 10, such as Fig. 5.
8. closing and locking external mold 11 and internal model 10, such as Fig. 6, locking torque locks external mold 11 in 50N.m-100 N.m.
9. mold is put into insulating box to be heating and curing by shown in following condition and Fig. 8, mold is taken out after solidification, is opened
Mold takes out sample, and removes outer support layer and outer fixed bed, and composite material helical spring such as Fig. 7 is prepared.
The condition that is heating and curing is as follows:
1)At 25 DEG C ± 2 DEG C, 30min is placed;
2)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 50 DEG C ± 2 DEG C, 30min is kept at this temperature;
3)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 100 DEG C ± 2 DEG C, 30min is kept at this temperature;
4)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 150 DEG C ± 2 DEG C, 30min is kept at this temperature;
5)Insulating box power supply is closed, room temperature is naturally cooling to.
Claims (2)
1. a kind of automotive composite material helical spring and preparation method thereof, it is characterised in that:Composite material helical spring by mandrel,
Interior fixed bed, middle layer, outer fixed bed and outer support layer composition, mandrel wrap up successively from the inside to the outside in fixed bed, middle layer, outer
Fixed bed and outer support layer, a diameter of 2mm-5mm of mandrel, fixed internal layer are PE films, thickness 0.5mm-1.5mm, in
Interbed is one-way tape fibrous material, and one-way tape fiber on fixed internal layer, with the axle center of machine direction and mandrel press from both sides by individual event
Angle is ± 45 °;Outer fixed bed is made of plastic film and barrier paper, and the thickness of outer fixed bed is 0.5mm-1.5mm, outer support layer
Using plastic tube, shore a hardness controls between 50-80;Its specific preparation process is as follows:
Step 1, line rolling winding basalt fibre under 300mm/min-500mm/min speed, by guide plate by basalt
Fiber is drawn in glue pond, and extra rubber cement is being struck off by related extrusion tooling, is then being scraped using guide plate and extrusion tooling
Except extra rubber cement and twisting, twist 30-50T/m, the fiber number of basalt fibre control after twirl diameter 3mm-5mm it
Between, shore a hardness controls between 50-80, and resistance to temperature range is at -40 DEG C -+160 DEG C, according to the straight of per share basalt fibre
Diameter calculates required number of fiber, and particular number is the μ m 10 of 6 strands × 18 beam × 400 piece × 0.13-3, prepare basalt fibre
Mandrel and middle layer individual event cloth, then carry out cutting prepare as defined in length inner core 1 and unidirectional cloth;
Step 2 tailors width 20mm-30mm, the interior fixed bed that thickness is 0.5mm-1.5mm, with 30mm/min-50mm/min speed
Degree, interior fixed bed center line and inner core centerlines β are that 45 ° of ± 5 ° of directions claddings are wrapped on inner core, implementation process winding
Thickness is uniform, and lap-joint is 3 mm -5mm, cannot play fold;
Step 3, one-way fiber fabric are as middle layer, width 30mm-50mm, thickness 0.15mm-0.18mm, and size tailors rule
Measured length, the machine direction and mandrel axis alpha of one-way fiber fabric outside interior fixed bed, coat speed of wrap control for 45 ° ± 5 °
System goes out the cladding winding number of plies in 50 mm/min -100mm/min, according to the diameter calculation of composite material helical spring;Implemented
Journey winding thickness is uniform, cannot play fold;
Step 4 tailors width 30mm-50mm, the outer fixed bed that thickness is 0.5mm-1.5mm, with 30mm/min-50mm/min speed
Degree, outer fixed bed center line and inner core centerlines β carry out cladding for 45 ° of ± 5 ° of directions and are wrapped on unidirectional cloth, winding layer
1-3 layers of number, implementation process winding thickness is uniform, and lap-joint is 3 mm -5mm, cannot play fold;
Step 5 cuts outer support layer, and high temperature resistant reaches 160 DEG C, and between 50-80, hose diameter control exists shore a hardness
Less than composite material helical spring diameter -0.2mm-0.5mm;Then spring silk is embedded in outer support layer;
The spring silk for coating hose is wrapped in corresponding internal model by step 6;
External mold and internal model are closed and are locked by step 7, and locking torque locks external mold in 50N.m-100 N.m;
Mold is put into insulating box and is heating and curing by step 8, and mold is taken out after solidification, is opened mold and is taken out sample, and removes
Outer support layer and outer fixed bed, are prepared composite material helical spring;The condition that is heating and curing is as follows:
1)At 25 DEG C ± 2 DEG C, 30min is placed;
2)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 50 DEG C ± 2 DEG C, 30min is kept at this temperature;
3)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 100 DEG C ± 2 DEG C, 30min is kept at this temperature;
4)It is heated up with 1 DEG C -2 DEG C/min of the rate of heat addition, until 150 DEG C ± 2 DEG C, 30min is kept at this temperature;
5)Insulating box power supply is closed, room temperature is naturally cooling to.
2. according to a kind of automotive composite material helical spring and preparation method thereof described in claim 1, it is characterised in that institute
The interior fixed bed stated is PE films, and PE films can also be replaced with to glass fibre preimpregnation and compile cloth.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810501163.6A CN108591322B (en) | 2018-05-23 | 2018-05-23 | Preparation method of automobile composite material spiral spring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810501163.6A CN108591322B (en) | 2018-05-23 | 2018-05-23 | Preparation method of automobile composite material spiral spring |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108591322A true CN108591322A (en) | 2018-09-28 |
CN108591322B CN108591322B (en) | 2024-01-26 |
Family
ID=63632743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810501163.6A Active CN108591322B (en) | 2018-05-23 | 2018-05-23 | Preparation method of automobile composite material spiral spring |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108591322B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111223687A (en) * | 2020-01-13 | 2020-06-02 | 常州大学 | Preparation method of MXene/PANI-based high-capacity linear supercapacitor electrode |
CN111331877A (en) * | 2020-02-17 | 2020-06-26 | 浙江理工大学 | Preparation method of variable-stiffness composite material spiral spring |
CN114801245A (en) * | 2022-05-13 | 2022-07-29 | 浙江理工大学 | Preparation process of composite material spiral spring |
CN114872350A (en) * | 2022-05-18 | 2022-08-09 | 奇瑞汽车股份有限公司 | Method for manufacturing coil spring and variable pitch coil spring |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6454251B1 (en) * | 2000-05-01 | 2002-09-24 | John C. Fish | Composite cord assembly |
US20020190451A1 (en) * | 2001-06-01 | 2002-12-19 | The University Of Akron | Fiber-reinforced composite springs |
CN1480658A (en) * | 2002-09-05 | 2004-03-10 | 私立逢甲大学 | Helical spring structure in knitting operation made from composite material and its manufacturing method |
US20070084181A1 (en) * | 2003-09-16 | 2007-04-19 | Max Sardou | Method of producing a spring wire and wire thus produced |
CN106457695A (en) * | 2014-06-11 | 2017-02-22 | 蒂森克虏伯股份公司 | Torsion-loaded rod-shaped component with different fibre reinforcements for tensile and compressive loading |
US20170058983A1 (en) * | 2014-04-14 | 2017-03-02 | ThyssenKrupp Federn und Stabilisatoren GmbH | Bar-shaped component loaded in torsion |
CN206287541U (en) * | 2016-11-30 | 2017-06-30 | 上海工程技术大学 | Carbon fibre composite helical spring and its mould |
CN107639857A (en) * | 2016-07-21 | 2018-01-30 | 福特全球技术公司 | Manufacture the method for helical spring and manufacture the device of helical spring semi-finished product |
-
2018
- 2018-05-23 CN CN201810501163.6A patent/CN108591322B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6454251B1 (en) * | 2000-05-01 | 2002-09-24 | John C. Fish | Composite cord assembly |
US20020190451A1 (en) * | 2001-06-01 | 2002-12-19 | The University Of Akron | Fiber-reinforced composite springs |
CN1480658A (en) * | 2002-09-05 | 2004-03-10 | 私立逢甲大学 | Helical spring structure in knitting operation made from composite material and its manufacturing method |
US20070084181A1 (en) * | 2003-09-16 | 2007-04-19 | Max Sardou | Method of producing a spring wire and wire thus produced |
US20170058983A1 (en) * | 2014-04-14 | 2017-03-02 | ThyssenKrupp Federn und Stabilisatoren GmbH | Bar-shaped component loaded in torsion |
CN106457695A (en) * | 2014-06-11 | 2017-02-22 | 蒂森克虏伯股份公司 | Torsion-loaded rod-shaped component with different fibre reinforcements for tensile and compressive loading |
US20170122395A1 (en) * | 2014-06-11 | 2017-05-04 | ThyssenKrupp Federn und Stabilisatoren GmbH | Torsion-loaded rod-shaped component with different fibre reinforcements for tensile and compressive loading |
CN107639857A (en) * | 2016-07-21 | 2018-01-30 | 福特全球技术公司 | Manufacture the method for helical spring and manufacture the device of helical spring semi-finished product |
CN206287541U (en) * | 2016-11-30 | 2017-06-30 | 上海工程技术大学 | Carbon fibre composite helical spring and its mould |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111223687A (en) * | 2020-01-13 | 2020-06-02 | 常州大学 | Preparation method of MXene/PANI-based high-capacity linear supercapacitor electrode |
CN111223687B (en) * | 2020-01-13 | 2022-02-11 | 常州大学 | Preparation method of MXene/PANI-based high-capacity linear supercapacitor electrode |
CN111331877A (en) * | 2020-02-17 | 2020-06-26 | 浙江理工大学 | Preparation method of variable-stiffness composite material spiral spring |
CN111331877B (en) * | 2020-02-17 | 2022-05-17 | 浙江理工大学 | Preparation method of variable-stiffness composite material spiral spring |
CN114801245A (en) * | 2022-05-13 | 2022-07-29 | 浙江理工大学 | Preparation process of composite material spiral spring |
CN114872350A (en) * | 2022-05-18 | 2022-08-09 | 奇瑞汽车股份有限公司 | Method for manufacturing coil spring and variable pitch coil spring |
Also Published As
Publication number | Publication date |
---|---|
CN108591322B (en) | 2024-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108591322A (en) | A kind of automotive composite material helical spring and preparation method thereof | |
US6605171B1 (en) | Method for making hollow solid generated by rotation | |
TW200909190A (en) | Filament wound curved product | |
CN106827576A (en) | A kind of continuous fiber reinforced thermoplastic multiple tube and its forming method | |
CN111765300A (en) | Barrier composite pipe and preparation method thereof | |
CN113606487A (en) | V-shaped liner-free high-pressure composite material storage tank molding process | |
CN101927574A (en) | Manufacturing method of isomorphous structural self-bonding glass fiber reinforced plastic pipe | |
CN102788199A (en) | Continuously reinforced composite tube winded by glass fiber resin band and preparation method | |
CN104626602A (en) | Molding method for carbon fiber composite material pipe | |
WO2022151929A1 (en) | Production method for large-diameter engineering pipeline | |
NO139454B (en) | PROCEDURE FOR DEFIRING THE HEAT EXCHANGE IN A VENTILATION SYSTEM HAVE AN EXCHANGE HEAT EXCHANGER AND APPARATUS FOR THE PERFORMANCE OF THE PROCEDURE | |
CN106985428A (en) | A kind of heavy caliber thermoplastic composite tube preparation method | |
CN202082504U (en) | Fibre reinforced thermoplastic plastic pipe | |
CN108262981B (en) | Bistable shell structure with C-shaped section and continuous manufacturing method thereof | |
CN108016052A (en) | A kind of forming method of carbon fibre pipe fitting | |
US8967220B2 (en) | Method and assembly for the production of a homogenous composite pipe of unspecified length | |
JPH09314687A (en) | Frp cylindrical body | |
CN111457166A (en) | Thermoplastic continuous fiber prepreg reinforced thermoplastic composite pipe and manufacturing method thereof | |
JPS61232511A (en) | Lowering of steam diffusion for plastic composite insulatingbody comprising several layers | |
EP3012503B1 (en) | Composition of asymmetric fabrics for wrapping applications for recoating pipelines | |
CN110566134B (en) | Fiber composite material core stranded metal wire sucker rod and preparation method and application thereof | |
CN109827012B (en) | Ventilating duct made of glass fibre reinforced plastic | |
US6422958B1 (en) | Frame for a game racquet formed by filament winding | |
CN206539791U (en) | A kind of continuous fiber reinforced thermoplastic multiple tube | |
CN1082984A (en) | The manufacture method of plastic composite golf clubs |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |