CN108518404A - Carbon fiber compound air mandrel and preparation method thereof - Google Patents
Carbon fiber compound air mandrel and preparation method thereof Download PDFInfo
- Publication number
- CN108518404A CN108518404A CN201810366862.4A CN201810366862A CN108518404A CN 108518404 A CN108518404 A CN 108518404A CN 201810366862 A CN201810366862 A CN 201810366862A CN 108518404 A CN108518404 A CN 108518404A
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- enhancing structure
- compound air
- structure part
- fiber compound
- 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.)
- Pending
Links
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 43
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 43
- -1 Carbon fiber compound Chemical class 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 230000002708 enhancing effect Effects 0.000 claims abstract description 34
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 2
- 229920001568 phenolic resin Polymers 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000005242 forging Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920001567 vinyl ester resin Polymers 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001965 increasing effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
- F16C3/026—Shafts made of fibre reinforced resin
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/02—Plastics; Synthetic resins, e.g. rubbers comprising fillers, fibres
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/28—Shaping by winding impregnated fibres
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/31—Axle
Abstract
The present invention relates to a kind of carbon fiber compound air mandrels and preparation method thereof.The carbon fiber compound air mandrel includes inner tube, outer tube and multiple enhancing structure parts；The multiple enhancing structure part is set between the outer wall of said inner tube and the inner wall of the outer tube, circumferential array of the multiple enhancing structure part along inner and outer tubes, the length of the multiple enhancing structure part extends along the axial direction of said inner tube and outer tube, and the material of the hollow shaft is carbon fiber enhancement resin base composite material.The present invention greatly improves the intensity of composite hollow shaft in an axial direction, and the design of enhancing structure part improves the rigidity of axis longitudinal cross-section, to easy to spread.And by reasonable structure design, the weight of hollow shaft is both effectively alleviated, in turn ensures the mechanical property requirements of hollow shaft, while taking into account economy, is reached " because material is applied, making the best use of everything ".
Description
Technical field
The present invention relates to a kind of carbon fiber composite high-strength high rigidity hollow shafts and preparation method thereof.
Background technology
Industrial equipment, which is be unable to do without, holds being used cooperatively for axis, and the type of axis is diversified, just most apparent variety classes
For, it is divided into hollow shaft and solid shafting.It is outer in terms of radial section when shaft transmits torque according to Analysis of materials mechanics
The effect that effective torque is transmitted in place is bigger, so the general hollow shaft that can be used replaces solid shafting, to reduce the dead weight of shaft.
With the development of material forming techniques, hollow shaft due to have the characteristics that save material, light-weight, mechanical property are good will be by
Gradually replace traditional solid shafting, becomes the preferential selection of shaft forgings.Traditional hollow shaft processing method has flat-die forging, radial essence
Forging, machining etc., but machining accuracy is low and has the shortcomings of waste material, time-consuming.
Automobile, steamer transmission shaft component and all kinds of carrying rollers are all metal materials at this stage, it is contemplated that the stress of transmission shaft
Situation is more complicated, especially to bear prodigious torque, and the axis of metal material can cause product weight very big.Therefore how to realize
Lightweight is the research hotspot of those skilled in the art.
Invention content
Technical problem to be solved by the invention is to provide a kind of carbon fiber compound air mandrel of high intensity high rigidity and its
Preparation method.Hollow shaft preparation process is simple, easy to spread.
To achieve the above object, technical solution disclosed by the invention is：
A kind of carbon fiber compound air mandrel, the carbon fiber compound air mandrel include inner tube, outer tube and multiple enhancings knot
Component；The multiple enhancing structure part is set between the outer wall of said inner tube and the inner wall of the outer tube, the multiple enhancing
Structural member along inner and outer tubes circumferential array, the length of the multiple enhancing structure part along said inner tube and outer tube axial direction
Direction extends, and the material of the hollow shaft is carbon fiber enhancement resin base composite material.
In said program, the cross sectional shape of each enhancing structure part is fan-shaped, trapezoidal, triangle, I-shaped or square
Shape.
In said program, the cross sectional shape of each enhancing structure part is circle.
In said program, the fiber composite hollow shaft further include between being filled in multiple enhancing structure parts gap fill out
Material, the filler are the mixing light filler of carbon fiber and resin.
In said program, the wall thickness of each enhancing structure part is 2~20mm.
In said program, the hollow shaft length is 0.1~20m, and outer diameter is 10~500mm.
In said program, the wall thickness of said inner tube and outer tube is 3~40mm.
In said program, the resin includes epoxy resin, vinyl ester resin, unsaturated polyester resin or phenolic aldehyde tree
Fat.
The preparation method of the carbon fiber compound air mandrel, the enhancing structure part are made of carbon fiber pultrusion；It is described
Inner and outer tubes are made of carbon fiber yarn winding.
The invention has the advantages that：Mechanical analysis design is carried out according to load bearing requirement, using pultrusion knot
Cyclization accordingly enhances the intensity of the direction to the technique of winding on Impact direction, greatly improves composite hollow shaft edge
Axial intensity, the design of enhancing structure part improve the rigidity of axis longitudinal cross-section, to easy to spread.And by reasonable for structure
Design, both effectively alleviates the weight of hollow shaft, in turn ensures the mechanical property requirements of hollow shaft, while taking into account economy,
Reach " because material is applied, making the best use of everything ".
Description of the drawings
Fig. 1 is the generally longitudinally sectional view for the carbon fiber compound air mandrel that embodiment 1 is provided.
Fig. 2 is the longitdinal cross-section diagram of the enhancing structure part in embodiment 1.
Fig. 3 is the generally longitudinally sectional view for the carbon fiber compound air mandrel that embodiment 2 is provided.
Specific implementation mode
The present invention is furtherd elucidate with reference to embodiment and attached drawing, but present disclosure is not limited solely to down
The embodiment in face, embodiment are not construed as limitation of the invention.
As shown in Figure 1 to Figure 3, a kind of carbon fiber compound air mandrel is provided for the present invention, the carbon fiber compound air mandrel
Including inner tube 3, outer tube 1 and multiple enhancing structure parts 2.Multiple enhancing structure parts 2 are set to the outer wall and outer tube 1 of inner tube 3
Between inner wall, multiple enhancing structure parts 2 are along the circumferential array of inner tube 3 and outer tube 1, and the length of multiple enhancing structure parts 2 is along interior
The axial direction of pipe 3 and outer tube 1 extends, and the material of hollow shaft is carbon fiber enhancement resin base composite material.Resin includes epoxy
Resin, vinyl ester resin, unsaturated polyester resin or phenolic resin.
The cross sectional shape of each enhancing structure part 2 is fan-shaped, trapezoidal, round, triangle, I-shaped or rectangle.It is each to increase
The wall thickness of strong structure part 2 is 2~20mm.Hollow shaft length is 0.1~20m, and outer diameter is 10~500mm.Inner tube 3 and outer tube 1
Wall thickness is 3~40mm.
The preparation method of above-mentioned carbon fiber compound air mandrel is：The material of the hollow shaft is that carbon fiber enhancement resin base is compound
Material combines circumferential winding process to be made by pultrusion.Wherein, multiple enhancing structure parts 2 are made of carbon fiber pultrusion；3 He of inner tube
Outer tube 1 is made of carbon fiber yarn winding.Carbon fiber enhancement resin base inner tube 3 is made in winding first, then installs multiple increasings
Strong structure part 2 finally winds and carbon fiber enhancement resin base outer tube 1 is made again.
Embodiment 1
The present embodiment provides a kind of high intensity high rigidity hollow shafts, using carbon-fibre reinforced epoxy resin composite material, warp
It is 200mm, the length of 1.2m to cross calculating design outer diameter, and inside and outside pipe size is as described in Table 1, and use is Wrapping formed.
Enhancing structure part 2 uses hollow sector structure, pultrusion to form.Size is used between each as shown in Fig. 2, 32 totally
Epoxy resin bonds, and carbon fiber uses T700 models, entire hollow shaft longitudinal cross-section as shown in Figure 1.By test, density is
1600kg/m3.Using RGT-4000 universal testing machines, establishing criteria GB/T 2568-1995 carry out extension test at room temperature,
Collet spacing 50mm, rate of extension 2mm/min, 5 groups of test take its average value, test to show that composite material tensile strength is
1613.4~2225.9MPa, stretch modulus are 148.7~157.4GPa, and variation is related to carbon fiber content, in practical application
In on demand and depending on cost considers.According to QC/T29082-1992 vehicle driving shaft assembly technical conditions standards to product
It is tested：With gear radial runout tester measure axis circular runout, many experiments show central siphon radial beat eccentricity≤
0.8mm.Transmission shaft ess-strain is tested by strain gauge method, change torque component is 2~5kNm, utilizes formula:
In formula：N --- safety coefficient；
Ms--- the quiet torque yield torque of transmission shaft, Nm；
Mg max--- transmission shaft rated load torque, Nm.
Safety coefficient is obtained 2~2.5.When being tested according to the regulations of JB 3741, when weight is free in 1.25m height
Lower backwardness, transmission shaft do not have the phenomenon that fracture damage, are tested on transmission shaft reverse torsion machine, and the service life is followed more than 150,000
Ring.
Embodiment 2
The present embodiment provides a kind of high intensity high rigidity hollow shafts, using carbon-fibre reinforced epoxy resin composite material, warp
Cross calculating design outer diameter be 350mm, enhancing structure part 2 use pipe, totally 14.The size of each part is as shown in table 2.
Gap between enhancing structure part 2 uses the composite material filler 4 being made of carbon fiber and epoxy resin composition
Filling, entire hollow shaft longitudinal cross-section are as shown in Figure 3.By test, density 1600kg/m3.It is omnipotent using RGT-4000
Testing machine, establishing criteria GB/T 2568-1995 carry out extension test, collet spacing 50mm, rate of extension 2mm/ at room temperature
Min, 5 groups of test take its average value, test to show that composite material tensile strength is 1613.4~2225.9MPa, and stretch modulus is
148.7~157.4GPa, variation is related to carbon fiber content, in practical applications on demand and depending on cost considers.
Axis circular runout is measured with gear radial runout tester, many experiments show central siphon radial beat eccentricity≤0.8mm.Pass through strain
Piece method tests transmission shaft ess-strain, and change torque component is 1~3kNm, obtains safety coefficient 1.8~2.3.
1 embodiment of table, 1 inner and outer tubes size
2 embodiment of table, 2 the size of each part
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (9)
1. a kind of carbon fiber compound air mandrel, which is characterized in that the carbon fiber compound air mandrel includes inner tube, outer tube and more
A enhancing structure part；The multiple enhancing structure part is set between the outer wall of said inner tube and the inner wall of the outer tube, described
Multiple enhancing structure parts are along the circumferential array of inner and outer tubes, and the length of the multiple enhancing structure part is along said inner tube and outer
The axial direction of pipe extends, and the material of the hollow shaft is carbon fiber enhancement resin base composite material.
2. carbon fiber compound air mandrel as described in claim 1, which is characterized in that the section shape of each enhancing structure part
Shape is fan-shaped, trapezoidal, triangle, I-shaped or rectangle.
3. carbon fiber compound air mandrel as described in claim 1, which is characterized in that the section shape of each enhancing structure part
Shape is circle.
4. carbon fiber compound air mandrel as claimed in claim 3, which is characterized in that the fiber composite hollow shaft further includes filling out
The filler in the gap between multiple enhancing structure parts is filled, the filler is the mixing light filler of carbon fiber and resin.
5. carbon fiber compound air mandrel as described in claim 1, which is characterized in that the wall thickness of each enhancing structure part is 2~
20mm。
6. carbon fiber compound air mandrel as described in claim 1, which is characterized in that the hollow shaft length is 0.1~20m,
Outer diameter is 10~500mm.
7. carbon fiber compound air mandrel as described in claim 1, which is characterized in that the wall thickness of said inner tube and outer tube be 3~
40mm。
8. carbon fiber compound air mandrel as described in claim 1, which is characterized in that the resin includes epoxy resin, ethylene
Base ester resin, unsaturated polyester resin or phenolic resin.
9. the preparation method of carbon fiber compound air mandrel as described in claim 1, which is characterized in that the enhancing structure part by
Carbon fiber pultrusion is made；Said inner tube and outer tube are made of carbon fiber yarn winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366862.4A CN108518404A (en) | 2018-04-23 | 2018-04-23 | Carbon fiber compound air mandrel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366862.4A CN108518404A (en) | 2018-04-23 | 2018-04-23 | Carbon fiber compound air mandrel and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108518404A true CN108518404A (en) | 2018-09-11 |
Family
ID=63428977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810366862.4A Pending CN108518404A (en) | 2018-04-23 | 2018-04-23 | Carbon fiber compound air mandrel and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518404A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109984895A (en) * | 2019-04-04 | 2019-07-09 | 厦门新凯复材科技有限公司 | A kind of composite fibre plate |
| CN111250712A (en) * | 2020-01-20 | 2020-06-09 | 西北工业大学 | Hollow shaft made of SiC fiber reinforced titanium-based composite material and preparation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19638079A1 (en) * | 1996-09-19 | 1998-04-02 | Intus Maschinen Gmbh | Composite tube as a roller tube |
| CN1738979A (en) * | 2003-01-29 | 2006-02-22 | 美卓造纸机械公司 | Tube roll for a paper machine and a method for manufacturing a tube roll |
| CN201241910Y (en) * | 2008-03-26 | 2009-05-20 | 上海苍逸机电研究所 | Carbon fiber material transmission shaft |
| CN104032669A (en) * | 2014-06-03 | 2014-09-10 | 南京工业大学 | Bridge box type girder of interlayer structure |
-
2018
- 2018-04-23 CN CN201810366862.4A patent/CN108518404A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19638079A1 (en) * | 1996-09-19 | 1998-04-02 | Intus Maschinen Gmbh | Composite tube as a roller tube |
| CN1738979A (en) * | 2003-01-29 | 2006-02-22 | 美卓造纸机械公司 | Tube roll for a paper machine and a method for manufacturing a tube roll |
| CN201241910Y (en) * | 2008-03-26 | 2009-05-20 | 上海苍逸机电研究所 | Carbon fiber material transmission shaft |
| CN104032669A (en) * | 2014-06-03 | 2014-09-10 | 南京工业大学 | Bridge box type girder of interlayer structure |
Non-Patent Citations (1)
| Title |
|---|
| 何丽萍: "《汽车轻量化车身新材料及其应用技术》", 30 September 2016, 湖南大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109984895A (en) * | 2019-04-04 | 2019-07-09 | 厦门新凯复材科技有限公司 | A kind of composite fibre plate |
| CN111250712A (en) * | 2020-01-20 | 2020-06-09 | 西北工业大学 | Hollow shaft made of SiC fiber reinforced titanium-based composite material and preparation method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180911 |
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