CN107285796A - C-base composte material helical spring and production method - Google Patents
C-base composte material helical spring and production method Download PDFInfo
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- CN107285796A CN107285796A CN201710599454.9A CN201710599454A CN107285796A CN 107285796 A CN107285796 A CN 107285796A CN 201710599454 A CN201710599454 A CN 201710599454A CN 107285796 A CN107285796 A CN 107285796A
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- 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
- F16F1/021—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 characterised by their composition, e.g. comprising materials providing for particular spring properties
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- 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
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- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
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- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2224/00—Materials; Material properties
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- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
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Abstract
The invention discloses the C-base composte material helical spring production method that a kind of axis direction perpendicular to helical spring introduces Z-direction carbon fiber, it is characterized in that it includes (1) base：First carbon fiber bundle or carbon cloth are wrapped on core along the hand of helix of spring, the trend of carbon fiber bundle or carbon cloth continuous fiber is consistent with the hand of helix of spring, then, by carbon fibre web tire on core, acupuncture is carried out along the radial direction of core；Repeat above procedure and carbon fiber spring precast body is made；(2) density：(3) machining steps；Along the ratio of continuous carbon fibre quantity and the Z-direction carbon fiber quantity of the hand of helix of spring it is 1 in the helical spring of preparation：0.01~0.4；The elastic constant of helical spring is the ㎏/㎜ of 0.5 ㎏/㎜~10；Z-direction carbon fiber is introduced in the axis direction perpendicular to spring when the present invention is due to base, Coating combination is good, and the mechanical property of the C-base composte material helical spring of preparation is good.
Description
Technical field
The present invention relates to a kind of C-base composte material, specifically a kind of C-base composte material helical spring and producer
Method, more particularly to a kind of axis direction perpendicular to helical spring introduces the C-base composte material spiral bullet of Z-direction carbon fiber
Spring and production method.
Background technology
With the development of science and technology, performance requirement of numerous high-technology fields to spring is increasingly harsh, common
Metal spring can not meet the use requirement of the tip such as new energy, national defence, chemical industry, Aero-Space, semiconductor or special dimension,
Require that spring can work in hot environment or corrosive atmosphere in many designs, and do not cause metallic pollution.Such as：It is high
In the welding process of temperature alloy, the brazing temperature of nickel-based solder generally at 1200 DEG C or so, in order to fix the position between weldment and
Suppress high temperature deformation problem, it is necessary to be realized by fixture.Generally, such fixture can configure spring part, and its spring part can not only
High temperature is enough born, and is needed with good high temperature elastomeric and resistance to relaxation property etc..At present, the use temperature of common metal spring
Degree is no more than 200 DEG C, and the spring temperature in use manufactured by extraordinary heat-resisting spring steel is also only at 500 DEG C or so, and resistance to more than 600 DEG C
High temperature alloy spring is not only expensive, and can cause metallic pollution.Therefore, there is the spring prepared using ceramic material.Such as
The preparation method of Application No. 201310710651.5, a kind of entitled ceramics springs shaped device and ceramics springs it is special
Profit application discloses a kind of ceramics springs.But ceramic material is in fragility, thermal-shock resistance is poor.Although it can be improved by modification
Toughness, but be due to be limited by big and technique the complexity of shaping difficulty, limited capacity is expensive.
Carbon/carbon compound material has that light specific gravity, modulus are high, specific strength is big, thermal coefficient of expansion is low, high temperature resistant, heat shock resistance,
The excellent properties such as corrosion-resistant, absorbing is good, frictional property is good, be it is qualified it is multi-functional, can design, structure and function have both
New material.
European patent EP 0684216A2 discloses a kind of method prepared by carbon/carbon compound material helical spring.The spring is
By carbon fiber it is preformed after it is overall be wound in core, then being shaped, be carbonized by hot press moulding etc. is prepared from.But, by
Short close to the near spiral path of central axis in preforming bar in winding process, the spiral path away from axis is long, because
This, different interlayers will be arranged along respective path, will necessarily be produced stress and be caused layering, and perpendicular to spring during winding
Axis direction there is no Z-direction carbon fiber, finally cause spring overall structure ability, rigidity it is relatively low.
The content of the invention
The carbon-based multiple of Z-direction carbon fiber is introduced it is an object of the invention to provide a kind of axis direction perpendicular to helical spring
Condensation material helical spring and production method.
The present invention, which is adopted the following technical scheme that, realizes its goal of the invention, a kind of C-base composte material helical spring production
Method, it comprises the following steps：
(1) base：The carbon fiber bundle or carbon cloth of spring pitch width are first wrapped in core along the hand of helix of spring
On, the trend of carbon fiber bundle or the carbon cloth continuous fiber is consistent with the hand of helix of spring, then, by carbon fiber
Net tire carries out acupuncture along the radial direction of core, introduces Z-direction carbon fiber on core；Repeat above procedure and required size is made
Carbon fiber spring precast body；
The surface density of carbon fibre web tire of the present invention is 10g/m2~100g/m2, 10 times/cm of needling density2~40 Ci/㎝2,
The ㎜ of the ㎜ of depth of needling 6~25, the bulk density of carbon fiber spring precast body is 0.3g/ ㎝3~0.6g/ ㎝3。
(2) density：The carbon fiber spring precast body that (1) step is prepared is carbonized through chemical vapor deposition or/and liquid impregnation,
Carbon/carbon compound material spring base substrate is made, the bulk density of carbon/carbon compound material spring base substrate is 0.8g/ ㎝3~1.5g/ ㎝3；
To adapt to the demand of applied at elevated temperature and high purity environment, the present invention step (3) before, carbon/carbon that (2) step is prepared is combined
Material spring base substrate is put into high temperature furnace, and heating under vacuum carries out removal of impurities and graphitization processing, and temperature is 1800 DEG C~
2800 DEG C, soaking time is 2h~15h.
(3) machine：The carbon/carbon compound material spring base substrate that (2) step is obtained is dimensioned to helical spring by required.
To be directed upwardly into continuous fiber in the axle of helical spring, axial direction of the helical spring on spring-compressed direction is improved
Drag, improve the reverse fiber of spiral deformation drag, the present invention step (1) in, twined on core along the hand of helix of spring
After the carbon fiber bundle or carbon cloth of spring pitch width, then by carbon fibre web tire, carbon cloth, carbon fibre web tire respectively by
It is individual that the axial direction of the trend of carbon cloth continuous fiber and core is consistent during winding on core, meanwhile, often wind once
Carbon fibre web tire, carries out acupuncture along the radial direction of core, introduces Z-direction carbon fiber；The carbon for repeating size needed for above procedure is made is fine
Tie up spring precast body.
The surface density of carbon fibre web tire of the present invention is 10g/m2~100g/m2, 10 times/cm of needling density2~40 times/
㎝2, the ㎜ of the ㎜ of depth of needling 6~25, the bulk density of carbon fiber spring precast body is 0.3g/ ㎝3~0.6g/ ㎝3。
For further improve helical spring coefficient of elasticity, the present invention step (2) after, by carbon/carbon compound material spring base
Body impregnate-crack through containing silicone resin or trichloromethyl silane chemical vapor deposition or reaction infiltration silicon to prepare carbon/carbon/carborundum multiple
Condensation material spring base substrate, the bulk density of carbon/carbon/composite material of silicon carbide spring base substrate is 1.6g/ ㎝3~2.6g/ ㎝3。
A kind of C-base composte material helical spring of C-base composte material helical spring production method production as described above, institute
The ratio of the continuous carbon fibre quantity and Z-direction carbon fiber quantity of stating the hand of helix in helical spring along spring is 1：0.01~
0.4；The elastic constant of the helical spring is the ㎏/㎜ of 0.5 ㎏/㎜~10.
In helical spring of the present invention along spring hand of helix continuous carbon fibre quantity and the axis side of spring
To continuous carbon fibre quantity ratio be 1：0~3.
In helical spring of the present invention along spring hand of helix continuous carbon fibre quantity and Z-direction carbon fiber quantity
Ratio it is more excellent be 1：0.05~0.2；In the helical spring along spring hand of helix continuous carbon fibre quantity and bullet
The more excellent ratio of the continuous carbon fibre quantity of the axis direction of spring is 1：1/2~2.
In helical spring of the present invention along spring hand of helix continuous carbon fibre quantity and Z-direction carbon fiber quantity
Ratio it is optimal be 1：0.1；In the helical spring along spring hand of helix continuous carbon fibre quantity and the axle of spring
The optimal ratio of the continuous carbon fibre quantity in line direction is 1：1.
Due to using above-mentioned technical proposal, the present invention preferably realizes goal of the invention, perpendicular to bullet during due to base
The axis direction of spring introduces Z-direction carbon fiber, has the same of complete, continuous fiber in the hand of spiral for ensureing helical spring
When, Coating combination is good, makes simple, conveniently, the elastic constant of prepared C-base composte material helical spring up to 0.5 ㎏/
The ㎏/㎜ of ㎜~10, mechanical property is good.
Brief description of the drawings
Fig. 1 is the structural representation of helical spring of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Embodiment 1：
A kind of C-base composte material helical spring production method, it comprises the following steps：
(1) base：The carbon fiber bundle or carbon cloth of spring pitch width are first wrapped in core along the hand of helix of spring
On, the trend of carbon fiber bundle or the carbon cloth continuous fiber is consistent with the hand of helix of spring, then, by carbon fiber
Net tire carries out acupuncture along the radial direction of core, introduces Z-direction carbon fiber on core；Repeat above procedure and required size is made
Carbon fiber spring precast body；
The surface density of carbon fibre web tire of the present invention is 10g/m2~100g/m2, 10 times/cm of needling density2~40 Ci/㎝2,
The ㎜ of the ㎜ of depth of needling 6~25, the bulk density of carbon fiber spring precast body is 0.3g/ ㎝3~0.6g/ ㎝3。
(2) density：The carbon fiber spring precast body that (1) step is prepared is carbonized through chemical vapor deposition or/and liquid impregnation,
Carbon/carbon compound material spring base substrate is made, the bulk density of carbon/carbon compound material spring base substrate is 0.8g/ ㎝3~1.5g/ ㎝3；
To adapt to the demand of applied at elevated temperature and high purity environment, the present invention step (3) before, carbon/carbon that (2) step is prepared is combined
Material spring base substrate is put into high temperature furnace, and heating under vacuum carries out removal of impurities and graphitization processing, and temperature is 1800 DEG C~
2800 DEG C, soaking time is 2h~15h.
(3) machine：The carbon/carbon compound material spring base substrate that (2) step is obtained is dimensioned to helical spring by required.
A kind of C-base composte material helical spring of C-base composte material helical spring production method production as described above, institute
The ratio of the continuous carbon fibre quantity and Z-direction carbon fiber quantity of stating the hand of helix in helical spring along spring is 1：0.01~
0.4；The elastic constant of the helical spring is the ㎏/㎜ of 0.5 ㎏/㎜~10.
In helical spring of the present invention along spring hand of helix continuous carbon fibre quantity and Z-direction carbon fiber quantity
Ratio it is more excellent be 1：0.05~0.2；
In helical spring of the present invention along spring hand of helix continuous carbon fibre quantity and the ratio of Z-direction carbon fiber quantity
Optimal value is 1：0.1；
The present embodiment is on the core for cylinder, and first the hand of helix by the carbon cloth of spring pitch width along spring is wound
The multiple of 1 week or 1 week（The present embodiment is 1 week）, the trend of carbon cloth continuous fiber is consistent with the hand of helix of spring,
Carbon cloth is carbon fiber unidirectional cloth, and surface density is 200g/m2；Then, by carbon fibre web tire 1 week or 1 week on core
Multiple（The present embodiment is also 1 week）, all numbers of winding of carbon cloth are identical with all numbers of the winding of carbon fibre web tire, the carbon fibre
The surface density for tieing up net tire is 60g/m2；Again acupuncture, the Ci/㎝ of needling density 30 are carried out along the radial direction of core2, the ㎜ of depth of needling 15,
Axis direction perpendicular to helical spring introduces Z-direction carbon fiber；The carbon fiber spring for repeating size needed for above procedure is made is pre-
Body processed, carbon fiber spring precast body is drum, and its bulk density is 0.46g/ ㎝3。
Carbon fiber spring precast body prepared by upper step is through chemical vapor deposition, post-depositional carbon/carbon compound material spring
The bulk density of base substrate is 1.2g/ ㎝3；Then, carbon/carbon compound material spring base substrate is put into high temperature furnace, in vacuum condition
Lower heating carries out removal of impurities and graphitization processing, and temperature is 2200 DEG C, and soaking time is 5h；Finally, size needed for being machined to
Round screw thread spring, as shown in Figure 1.
To determine the continuous carbon fibre quantity of the hand of helix in helical spring along spring and the conjunction of Z-direction carbon fiber quantity
Suitable ratio range, the present embodiment is preparing the ㎜ of external diameter 48, the ㎜ of internal diameter 26, the ㎜ of free height 70, the ㎜ of pitch 20 and the ㎜ of spacing 10
During cylindric helical spring, the helical spring processed under the conditions of different ratios is tested（Equipment：Universal electrical mechanics is tried
Test machine；Test condition：5 ㎜ of compression rate/min）, the quantity of Z-direction carbon fiber can be close by the surface density of carbon fibre web tire, acupuncture
Degree and depth of needling are adjusted, and test result is as shown in table 1.
Table 1：
As known from Table 1, although the test specimen of serial number 1,2,3 introduces Z-direction carbon fiber, but because needling density is high, continuous fiber
Damage is serious, and the stress curve of helical spring is non-linear, and cracky during test.The test specimen of serial number 15 does not introduce Z-direction
Carbon fiber, the Coating combination of helical spring is poor during test, lamination easily occurs.And the test specimen of serial number 4 to 14 is in test
The stress curve of helical spring is linear, with preferable performance.Meanwhile, as known from Table 1, along the spiral of spring in helical spring
The continuous carbon fibre quantity in line direction is with the ratio of Z-direction carbon fiber quantity 1：When 0.01~0.4 preferably；Preferably ratio is 1：
0.05~0.2；With reference to other performances, optimal ratio is 1：0.1.
The present embodiment is ensureing the spiral of helical spring due to introducing Z-direction carbon fiber in the axis direction perpendicular to spring
While having complete, continuous fiber on direction, Coating combination is good, the mechanical property of the C-base composte material helical spring of preparation
Can be good, elastic constant is up to the ㎏/㎜ of 0.5 ㎏/㎜~5.
The present invention can prepare helical spring of different shapes according to core of different shapes.
Embodiment 2：
For further improve helical spring coefficient of elasticity, the present invention step (2) after, by carbon/carbon compound material spring base substrate pass through
Containing silicone resin dipping-cracking or trichloromethyl silane chemical vapor deposition or reaction infiltration silicon prepare carbon/carbon/silicon carbide compound material
Expect spring base substrate, the bulk density of carbon/carbon/composite material of silicon carbide spring base substrate is 1.6g/ ㎝3~2.6g/ ㎝3。
The present embodiment after chemical vapor deposition, then is carrying out the chemical gas of trichloromethyl silane to carbon fiber spring precast body
Mutually deposition is prepared into carbon/carbon/composite material of silicon carbide spring base substrate, and the volume of carbon/carbon/composite material of silicon carbide spring base substrate is close
Spend for 2.0g/ ㎝3。
C-base composte material helical spring elastic constant manufactured in the present embodiment is up to the ㎏/㎜ of 3.0 ㎏/㎜~10.
Remaining be the same as Example 1.
Embodiment 3：
To be directed upwardly into continuous fiber in the axle of helical spring, improve axial direction of the helical spring on spring-compressed direction and resist
Power, improve the reverse fiber of spiral deformation drag, the present invention step (1) in, on core along spring hand of helix wind
After the carbon fiber bundle or carbon cloth of spring pitch width, then by carbon fibre web tire, carbon cloth, carbon fibre web tire difference one by one
On core, the axial direction of the trend of carbon cloth continuous fiber and core is consistent during winding, meanwhile, often wind a carbon
Web tire, carries out acupuncture along the radial direction of core, introduces Z-direction carbon fiber；Repeat the carbon fiber of size needed for above procedure is made
Spring precast body.
The surface density of carbon fibre web tire of the present invention is 10g/m2~100g/m2, 10 times/cm of needling density2~40 times/
㎝2, the ㎜ of the ㎜ of depth of needling 6~25, the bulk density of carbon fiber spring precast body is 0.3 g/ ㎝3~0.6g/ ㎝3。
In helical spring of the present invention along spring hand of helix continuous carbon fibre quantity and the axis side of spring
To continuous carbon fibre quantity ratio be 1：0~3.
In helical spring of the present invention along spring hand of helix continuous carbon fibre quantity and the axis side of spring
To continuous carbon fibre quantity ratio it is more excellent be 1：1/2~2.
In helical spring of the present invention along spring hand of helix continuous carbon fibre quantity and the axis side of spring
To continuous carbon fibre quantity ratio it is optimal be 1：1.
The present embodiment is on the core for cylinder, the first hand of helix by the carbon cloth of spring pitch width along spring
The multiple of winding 1 week or 1 week（The present embodiment is 1 week）, the trend of carbon cloth continuous fiber and the hand of helix of spring
Unanimously, carbon cloth is carbon fiber unidirectional cloth, and surface density is 200g/m2；Then, by carbon fibre web tire, carbon cloth, carbon fiber
Net tire difference is respectively the multiple of 1 week or 1 week on core, also one by one（The present embodiment is respectively 1 week）, during winding carbon cloth
The trend of its continuous fiber and the axial direction of core are consistent, meanwhile, a carbon fibre web tire is often wound, is carried out along the radial direction of core
Acupuncture, introduces Z-direction carbon fiber, the surface density of the carbon fibre web tire is 40g/m2, the Ci/㎝ of needling density 302, depth of needling 15
㎜；The carbon fiber spring precast body of size needed for above procedure is made is repeated, carbon fiber spring precast body is drum, its body
Product density is 0.50g/ ㎝3。
Carbon fiber spring precast body prepared by upper step is through chemical vapor deposition, post-depositional carbon/carbon compound material spring
The bulk density of base substrate is 1.2g/ ㎝3；Then, carbon/carbon compound material spring base substrate is put into high temperature furnace, in vacuum condition
Lower heating carries out removal of impurities and graphitization processing, and temperature is 2200 DEG C, and soaking time is 8h；Finally, size needed for being machined to
Helical spring.
To determine the continuous carbon fibre quantity of the hand of helix in helical spring along spring and the axis direction of spring
The appropriate ratio scope of continuous carbon fibre quantity, the present embodiment is preparing the ㎜ of external diameter 48, the ㎜ of internal diameter 26, the ㎜ of free height 70, section
During cylindric helical spring away from 20 ㎜ and the ㎜ of spacing 10, the helical spring processed under the conditions of different ratios is tested
（Equipment：Universal electrical mechanics machine；Test condition：5 ㎜ of compression rate/min）, the continuous carbon fibre of the axis direction of spring
Quantity can be adjusted by the surface density of carbon cloth, and test result is as shown in table 2.
Table 2：
As known from Table 2, although the test specimen of serial number 1,2,3 introduces axial carbon fibres, but hand of spiral continuous long fiber dimensional ratio
Low, deformability is deteriorated, and the stress curve of helical spring is non-linear during test, and compression displacement amount is small, and cracky.And sequence number
For 4 to 11 test specimen test when helical spring stress curve be linear deformation, compression displacement can be realized, with preferable property
Energy.Meanwhile, as known from Table 2, in helical spring along spring hand of helix continuous carbon fibre quantity and the axis side of spring
To continuous carbon fibre quantity ratio 1：When 0~3 preferably；Preferably ratio is 1：1/2~2；It is optimal with reference to other performances
Ratio be 1：1.
The present embodiment is while the axis direction perpendicular to spring introduces Z-direction carbon fiber, also in the axis direction of spring
Continuous carbon fibre is introduced, while there is complete, continuous fiber in the hand of spiral for ensureing helical spring, Coating combination
Good, the mechanical property of the C-base composte material helical spring of preparation is good, and elastic constant is up to the ㎏/㎜ of 0.5 ㎏/㎜~5.
Remaining be the same as Example 1.
Embodiment 4：
The present invention step (2) after, carbon/carbon compound material spring base substrate is impregnated-cracked through containing silicone resin or trichloromethyl silane
Chemical vapor deposition or reaction infiltration silicon prepare carbon/carbon/composite material of silicon carbide spring base substrate, carbon/carbon/composite material of silicon carbide
The bulk density of spring base substrate is 1.6g/ ㎝3~2.6g/ ㎝3。
The present embodiment after chemical vapor deposition, then is carrying out the chemical gas of trichloromethyl silane to carbon fiber spring precast body
Mutually deposition is prepared into carbon/carbon/composite material of silicon carbide spring base substrate, and the volume of carbon/carbon/composite material of silicon carbide spring base substrate is close
Spend for 2.0g/ ㎝3。
C-base composte material helical spring elastic constant manufactured in the present embodiment is up to the ㎏/㎜ of 3.0 ㎏/㎜~10.
Remaining be the same as Example 1.
Embodiment 5：
The present embodiment is on the core for cylinder, first by the multi beam of spring pitch width helix of the carbon fiber bundle along spring side by side
Direction winds the multiple of 1 week or 1 week（The present embodiment is 1 week）, the trend of carbon fiber bundle continuous fiber and the helix of spring
Direction is consistent, then, by carbon fibre web tire on core the multiple of 1 week or 1 week（The present embodiment is also 1 week）, carbon fiber
The all numbers of winding of beam are identical with all numbers of the winding of carbon fibre web tire, and the surface density of the carbon fibre web tire is 60g/m2；Again along core
The radial direction of mould carries out acupuncture, the Ci/㎝ of needling density 302, the ㎜ of depth of needling 15, in the axis direction introducing perpendicular to helical spring
Z-direction carbon fiber；The carbon fiber spring precast body of size needed for above procedure is made is repeated, carbon fiber spring precast body is cylindrical shape
Shape, its bulk density is 0.46g/ ㎝3。
Remaining be the same as Example 1.
Embodiment 6：
The present embodiment is on the core for cylinder, first by the multi beam of spring pitch width helix of the carbon fiber bundle along spring side by side
Direction winds the multiple of 1 week or 1 week（The present embodiment is 1 week）, the trend of carbon fiber bundle continuous fiber and the helix of spring
Direction is consistent；Then, it is one by one respectively 1 week on core, also by carbon fibre web tire, carbon cloth, carbon fibre web tire difference
Or the multiple of 1 week（The present embodiment is respectively 1 week）, the axial direction one of the trend of its continuous fiber and core during winding carbon cloth
Cause, carbon cloth is carbon fiber unidirectional cloth, and surface density is 200g/m2；Meanwhile, a carbon fibre web tire is often wound, along core
Acupuncture is radially carried out, Z-direction carbon fiber is introduced, the surface density of the carbon fibre web tire is 40g/m2, the Ci/㎝ of needling density 302, pin
Pierce the ㎜ of depth 15；The carbon fiber spring precast body of size needed for above procedure is made is repeated, carbon fiber spring precast body is cylinder
Shape, its bulk density is 0.50g/ ㎝3。
Remaining be the same as Example 3.
Claims (10)
1. a kind of C-base composte material helical spring production method, it is characterized in that it comprises the following steps：
(1) base：The carbon fiber bundle or carbon cloth of spring pitch width are first wrapped in core along the hand of helix of spring
On, the trend of carbon fiber bundle or the carbon cloth continuous fiber is consistent with the hand of helix of spring, then, by carbon fiber
Net tire carries out acupuncture along the radial direction of core, introduces Z-direction carbon fiber on core；Repeat above procedure and required size is made
Carbon fiber spring precast body；
(2) density：The carbon fiber spring precast body that (1) step is prepared is carbonized through chemical vapor deposition or/and liquid impregnation, is made
Carbon/carbon compound material spring base substrate, the bulk density of carbon/carbon compound material spring base substrate is 0.8g/ ㎝3~1.5g/ ㎝3；
(3) machine：The carbon/carbon compound material spring base substrate that (2) step is obtained is dimensioned to helical spring by required.
2. C-base composte material helical spring production method according to claim 1, it is characterized in that the carbon fibre web tire
Surface density be 10g/m2~100g/m2, 10 times/cm of needling density2~40 Ci/㎝2, the ㎜ of the ㎜ of depth of needling 6~25, carbon fiber
The bulk density of spring precast body is 0.3g/ ㎝3~0.6g/ ㎝3。
3. C-base composte material helical spring production method according to claim 1, it is characterized in that step (1) in, in core
On mould along spring hand of helix winding spring pitch width carbon fiber bundle or carbon cloth after, then by carbon fibre web tire,
Carbon cloth, carbon fibre web tire are distinguished one by one on core, the trend and core of carbon cloth continuous fiber during winding
It is axially consistent, meanwhile, often wind a carbon fibre web tire, carry out acupuncture along the radial direction of core, introduce Z-direction carbon fiber；Repeat
The carbon fiber spring precast body of size needed for above procedure is made.
4. C-base composte material helical spring production method according to claim 3, it is characterized in that the carbon fibre web tire
Surface density be 10g/m2~100g/m2, 10 times/cm of needling density2~40 Ci/㎝2, the ㎜ of the ㎜ of depth of needling 6~25, carbon fiber
The bulk density of spring precast body is 0.3g/ ㎝3~0.6g/ ㎝3。
5. C-base composte material helical spring production method according to claim 1, it is characterized in that step (2) after, will
Carbon/carbon compound material spring base substrate impregnates-cracked through containing silicone resin or trichloromethyl silane chemical vapor deposition or reaction infiltration
Silicon prepares carbon/carbon/composite material of silicon carbide spring base substrate, and the bulk density of carbon/carbon/composite material of silicon carbide spring base substrate is
1.6g/㎝3~2.6g/ ㎝3。
6. C-base composte material helical spring production method according to claim 1, it is characterized in that step (3) before, will walk
The rapid carbon/carbon compound material spring base substrate (2) prepared is put into high temperature furnace, and heating under vacuum carries out removal of impurities and graphitization
Processing, temperature is 1800 DEG C~2800 DEG C, and soaking time is 2h~15h.
7. a kind of carbon of the production of the C-base composte material helical spring production method as described in claim 1 or 2 or 3 or 4 or 5 or 6
Based composites helical spring, it is characterized in that in the helical spring along spring hand of helix continuous carbon fibre quantity with
The ratio of Z-direction carbon fiber quantity is 1：0.01~0.4；The elastic constant of the helical spring is the ㎏/㎜ of 0.5 ㎏/㎜~10.
8. C-base composte material helical spring according to claim 7, it is characterized in that along spring in the helical spring
The ratio of the continuous carbon fibre quantity of hand of helix and the continuous carbon fibre quantity of the axis direction of spring is 1：0~3.
9. C-base composte material helical spring according to claim 8, it is characterized in that along spring in the helical spring
It is 1 that the continuous carbon fibre quantity of hand of helix is more excellent with the ratio of Z-direction carbon fiber quantity：0.05~0.2；The helical spring
The ratio of the continuous carbon fibre quantity of the middle hand of helix along spring and the continuous carbon fibre quantity of the axis direction of spring compared with
Excellent is 1：1/2~2.
10. C-base composte material helical spring according to claim 8, it is characterized in that along spring in the helical spring
It is 1 that the continuous carbon fibre quantity of hand of helix is optimal with the ratio of Z-direction carbon fiber quantity：0.1；Along bullet in the helical spring
The optimal ratio of the continuous carbon fibre quantity of the hand of helix of spring and the continuous carbon fibre quantity of the axis direction of spring is 1：
1。
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