CN105082571B - For manufacturing compound material bolt blank forming method - Google Patents
For manufacturing compound material bolt blank forming method Download PDFInfo
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- CN105082571B CN105082571B CN201510523313.XA CN201510523313A CN105082571B CN 105082571 B CN105082571 B CN 105082571B CN 201510523313 A CN201510523313 A CN 201510523313A CN 105082571 B CN105082571 B CN 105082571B
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- Prior art keywords
- bolt
- blank
- compound material
- prepreg
- forming method
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
- B29C70/467—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements during mould closing
-
- 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
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
- B29C70/228—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure the structure being stacked in parallel layers with fibres of adjacent layers crossing at substantial angles
-
- 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
- B29L2001/00—Articles provided with screw threads
- B29L2001/002—Bolts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
For manufacturing compound material bolt blank forming method, the present invention relates to the method for preparing bolt.The invention solves the problems that the bolt arrangement intensity that thread is discontinuously caused with screw rod fiber during existing glass fiber reinforced plastics composite material bolt shaping, the technical problem of rigidity reduction.Method：First, blank ply angles are designed；2nd, material prepreg is laid；3rd, cut, matched moulds, solidification；4th, cut；5th, it is machined to bar.Fiber discontinuous problem when the method for the present invention solves the shaping of glass fiber reinforced plastics composite material bolt.Glass fiber reinforced plastics composite material bolt has used the reinforcing material of network structure in blank manufacturing process, it is ensured that the continuity of fiber, so that glass fiber reinforced plastics composite material thread and the fiber of screw rod junction are continuous.The present invention is used to prepare compound material bolt.
Description
Technical field
The present invention relates to the method for preparing bolt.
Background technology
Glass fiber reinforced plastics composite material part is applied to be provided for designer's exploitation electrical equipment and electrical equipment in generating equipment wider
Wealthy design, and glass fiber reinforced plastics composite material has excellent insulating properties, corrosion resistance, fatigue durability and high-strength light
Etc. performance.Therefore, glass fiber reinforced plastics composite material is favored by domestic and international electric equipment manufacturer, as generating equipment of new generation
One of main material of parts.Under identical strength condition, glass fiber reinforced plastics composite material bolt has lighter than metal bolts
Weight, be a Main way of following bolt development while the good insulating properties that there is metal not possess.
Current glass fiber reinforced plastics composite material bolt adds metal die die press technology for forming, the shaping work using prepreg mostly
The characteristics of skill is：(1) product size high precision, it is reproducible；(2) surface smoothness is high, without modification；(3) can one-shot forming
Baroque product.
But moulding process thread and overall screw rod fiber in formed glass steel composite material bolt is discontinuous, causes
Structural strength, rigidity between thread and overall screw rod are reduced, and the special shape of screw rod and thread, had been stripped in production process
Cheng Zhong, due to frictional resistance of the bolt by ridge, causes the bolt demoulding difficult.Meanwhile, the characteristics of the moulding process, determine
Its technological equipment occupancy is high, big, low production efficiency of producing cost of investment in enormous quantities.In formed glass steel composite material bolt
When, because the fiber of screw rod and thread junction is discontinuous, it is impossible to play the characteristics of composite material light is high-strength, reduce glass
The bulk strength of steel composite material bolt.In addition, in its production process, the molding cycle on mould is long, therefore, high-volume is raw
, it is necessary to put into substantial amounts of mould during production, cost of investment is big.
The content of the invention
The invention solves the problems that the spiral shell that thread is discontinuously caused with screw rod fiber during existing glass fiber reinforced plastics composite material bolt shaping
Stud structure intensity, the technical problem of rigidity reduction, and provide for manufacturing compound material bolt blank forming method.
First, blank ply angles are designed, blank laying vertical and horizontal fiber volume fraction ratio is adjusted, the axle of bolt is controlled
To tensile strength and screw thread shear strength, computing formula is：σL/τ=4tn/D, wherein σL：Compound material bolt axial tension is strong
Degree；τ：Composite screw thread shear strength；t：The pitch of compound material bolt；n：The effective thread number of compound material bolt；
D：The effective cross-section diameter of compound material bolt；
2nd, material prepreg is laid, wherein, material prepreg is unidirectional/netted prepreg；
3rd, the size designed according to step one, cuts the composite that step 2 is obtained, obtains prepreg sheet stock, will be pre-
Leaching tablet material is put among blank shaping female mold mould, closes male mold, carries out matched moulds, and it is 30~60 to control matched moulds temperature
℃；Burn close time is 4~10h；Clamping pressure is 0.5~5MPa；Solidified again, under the conditions of temperature is 60 DEG C~80 DEG C,
2h is kept, then under the conditions of temperature is 100 DEG C~120 DEG C, 2h is kept, then under the conditions of temperature is 140 DEG C~180 DEG C, protect
4h is held, it is 0.2~5MPa to control solidifying pressure, obtains the blank of glass fiber reinforced plastics composite material square structure；
4th, the blank for the glass fiber reinforced plastics composite material square structure that cutting step three is obtained；
5th, the blank that step 4 is obtained is machined to bar；The length of bar is 500mm~3000mm, the bottom surface of bar
Round diameter is 10mm~100mm；Complete to be used to manufacture compound material bolt blank forming method.
The beneficial effects of the invention are as follows：
1st, fiber discontinuous problem when the method for the present invention solves the shaping of glass fiber reinforced plastics composite material bolt.Fiberglass is answered
Condensation material bolt has used the reinforcing material of network structure in blank manufacturing process, it is ensured that the continuity of fiber, so that
Glass fiber reinforced plastics composite material thread and the fiber of screw rod junction are continuous.
2nd, the inventive method effectively reduces mold use amount, shortens the mold use cycle, reduces and be produced into
This, it is possible to achieve the production in enormous quantities of glass fiber reinforced plastics composite material bolt.
The present invention is used to prepare compound material bolt.
Embodiment
Technical solution of the present invention is not limited to the embodiment of act set forth below, also including each embodiment it
Between any combination.
Embodiment one：Present embodiment is used to manufacture compound material bolt blank forming method, it is characterised in that
This method is specifically what is followed the steps below：
First, blank ply angles are designed, blank laying vertical and horizontal fiber volume fraction ratio is adjusted, the axle of bolt is controlled
To tensile strength and screw thread shear strength, computing formula is：σL/τ=4tn/D, wherein σL：Compound material bolt axial tension is strong
Degree；τ：Composite screw thread shear strength；t：The pitch of compound material bolt；n：The effective thread number of compound material bolt；
D：The effective cross-section diameter of compound material bolt；
2nd, material prepreg is laid, wherein, material prepreg is unidirectional/netted prepreg；
3rd, the size designed according to step one, cuts the composite that step 2 is obtained, obtains prepreg sheet stock, will be pre-
Leaching tablet material is put among blank shaping female mold mould, closes male mold, carries out matched moulds, and it is 30~60 to control matched moulds temperature
℃；Burn close time is 4~10h；Clamping pressure is 0.5~5MPa；Solidified again, under the conditions of temperature is 60 DEG C~80 DEG C,
2h is kept, then under the conditions of temperature is 100 DEG C~120 DEG C, 2h is kept, then under the conditions of temperature is 140 DEG C~180 DEG C, protect
4h is held, it is 0.2~5MPa to control solidifying pressure, obtains the blank of glass fiber reinforced plastics composite material square structure；
4th, the blank for the glass fiber reinforced plastics composite material square structure that cutting step three is obtained；
5th, the blank that step 4 is obtained is machined to bar；The length of bar is 500mm~3000mm, the bottom surface of bar
Round diameter is 10mm~100mm；Complete to be used to manufacture compound material bolt blank forming method.
Embodiment two：Present embodiment from unlike embodiment one：σ in step oneLValue be
250~450MPa；τ value is 40~200MPa；T value is with reference to standard GB/T/T193-2003；N value be 4~
12；- 2 × 0.866 × t of D=bolt diameters；60 ° of thread form angle.It is other identical with embodiment one.
Embodiment three：Present embodiment from unlike embodiment one or two：In step 2 during laying,
Be 0 ° by the axial direction setting of bolt, perpendicular bolt axial direction is set as 90 °, centered on 90 °, upper strata according to 90 °, 80 °,
70 °, 60 °, 50 °, 40 °, 30 °, 20 °, 10 °, 0 ° of order lamination lays prepreg, lower floor according to 90 °, 100 °, 110 °,
120 °, 130 °, 140 °, 150 °, 160 °, 170 °, 180 ° of order lamination lays prepreg.It is other with embodiment one or
Two is identical.
Embodiment four：Unlike one of present embodiment and embodiment one to three：It is multiple in step 2
Condensation material prepreg is made up of reinforcement and matrix material.It is other identical with one of embodiment one to three.
Embodiment five：Unlike one of present embodiment and embodiment one to four：Reinforcement is carbon
Fiber, glass fibre, aramid fiber or basalt fibre.It is other identical with one of embodiment one to four.
Embodiment six：Unlike one of present embodiment and embodiment one to five：Matrix material is
Epoxy resin, phenolic resin, polyurethane resin, polyimide resin, bimaleimide resin or vinyl ester resin.It is other
It is identical with one of embodiment one to five.
Embodiment seven：Unlike one of present embodiment and embodiment one to six：Cut in step 4
The size for cutting obtained blank is 1.3 times of design size.It is other identical with one of embodiment one to six.
Beneficial effects of the present invention are verified using following examples：
Embodiment one：
The present embodiment be used for manufacture compound material bolt blank forming method, it is characterised in that this method be specifically according to
What lower step was carried out：
First, blank ply angles are designed, blank laying vertical and horizontal fiber volume fraction ratio is adjusted, the axle of bolt is controlled
To tensile strength and screw thread shear strength, computing formula is：σL/τ=4tn/D, wherein, design σLFor 400MPa, τ is 40MPa, n
For 4；60 ° of thread form angle；
2nd, material prepreg is laid, is 0 °, perpendicular bolt axial direction by the axial direction setting of bolt during laying
It is set as 90 °, centered on 90 °, upper strata is folded according to 90 °, 80 °, 70 °, 60 °, 50 °, 40 °, 30 °, 20 °, 10 °, 0 ° of order
Layer lays prepreg, and lower floor folds according to 90 °, 100 °, 110 °, 120 °, 130 °, 140 °, 150 °, 160 °, 170 °, 180 ° of order
Layer lays prepreg；Wherein, material prepreg is unidirectional/netted prepreg；Reinforcement is that carbon fiber, matrix material are ring
Oxygen tree fat；
3rd, the size designed according to step one, cuts the composite that step 2 is obtained, obtains prepreg sheet stock, will be pre-
Leaching tablet material is put among blank shaping female mold mould, closes male mold, carries out matched moulds, and it is 40 DEG C to control matched moulds temperature；Close
The mould time is 6h；Clamping pressure is 2MPa；Solidified again, under the conditions of temperature is 70 DEG C, keep 2h, be then in temperature
Under the conditions of 100 DEG C, 2h is kept, then under the conditions of temperature is 160 DEG C, keeps 4h, it is 2MPa to control solidifying pressure, obtains fiberglass
The blank of composite square structure；
4th, the blank for the glass fiber reinforced plastics composite material square structure that cutting step three is obtained；
5th, the blank that step 4 is obtained is machined to bar；The length of bar is 1000mm, the bottom surface round diameter of bar
For 50mm；Complete to be used to manufacture compound material bolt blank forming method.
Blank manufactured in the present embodiment is processed into screw rod with being manufactured and the existing fiberglass spiral shell in market using different process
The performance comparison of bar such as following table：
Claims (6)
1. for manufacturing compound material bolt blank forming method, it is characterised in that this method is specifically to follow the steps below
's：
First, blank ply angles are designed, blank laying vertical and horizontal fiber volume fraction ratio, the axial direction drawing of control bolt is adjusted
Intensity and screw thread shear strength are stretched, computing formula is：σL/τ=4tn/D, wherein σL：Compound material bolt axial tensile strength；τ：
Composite screw thread shear strength；t：The pitch of compound material bolt；n：The effective thread number of compound material bolt；D：It is compound
The effective cross-section diameter of material bolt；
2nd, material prepreg is laid, wherein, material prepreg is unidirectional/netted prepreg；
3rd, the size designed according to step one, cuts the composite that step 2 is obtained, prepreg sheet stock is obtained, by prepreg
Sheet stock is put among blank shaping female mold mould, closes male mold, carries out matched moulds, and it is 30~60 DEG C to control matched moulds temperature；Close
The mould time is 4~10h；Clamping pressure is 0.5~5MPa；Solidified again, under the conditions of temperature is 60 DEG C~80 DEG C, kept
2h, then under the conditions of temperature is 100 DEG C~120 DEG C, keeps 2h, then under the conditions of temperature is 140 DEG C~180 DEG C, keeps 4h,
It is 0.2~5MPa to control solidifying pressure, obtains the blank of glass fiber reinforced plastics composite material square structure；
4th, the blank for the glass fiber reinforced plastics composite material square structure that cutting step three is obtained；
5th, the blank that step 4 is obtained is machined to bar；The length of bar is 500mm~3000mm, and the bottom surface of bar is circular
A diameter of 10mm~100mm；Complete to be used to manufacture compound material bolt blank forming method；
It it is 0 ° by the axial direction setting of bolt, perpendicular bolt axial direction is set as 90 °, in being with 90 ° in step 2 during laying
The heart, upper strata lays prepreg according to 90 °, 80 °, 70 °, 60 °, 50 °, 40 °, 30 °, 20 °, 10 °, 0 ° of order lamination, and lower floor presses
Prepreg is laid according to 90 °, 100 °, 110 °, 120 °, 130 °, 140 °, 150 °, 160 °, 170 °, 180 ° of order laminations.
2. according to claim 1 be used to manufacture compound material bolt blank forming method, it is characterised in that σ in step oneL
Value be 250~450MPa；τ value is 40~200MPa；T value is with reference to standard GB/T/T193-2003；N's takes
It is worth for 4~12；- 2 × 0.866 × t of D=bolt diameters；60 ° of thread form angle.
3. according to claim 1 be used to manufacture compound material bolt blank forming method, it is characterised in that in step 2
Material prepreg is made up of reinforcement and matrix material.
4. according to claim 3 be used to manufacture compound material bolt blank forming method, it is characterised in that reinforcement is
Carbon fiber, glass fibre, aramid fiber or basalt fibre.
5. according to claim 3 be used to manufacture compound material bolt blank forming method, it is characterised in that matrix material
For epoxy resin, phenolic resin, polyurethane resin, polyimide resin, bimaleimide resin or vinyl ester resin.
6. according to claim 1 be used to manufacture compound material bolt blank forming method, it is characterised in that in step 4
The size for cutting obtained blank is 1.3 times of design size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510523313.XA CN105082571B (en) | 2015-08-24 | 2015-08-24 | For manufacturing compound material bolt blank forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510523313.XA CN105082571B (en) | 2015-08-24 | 2015-08-24 | For manufacturing compound material bolt blank forming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105082571A CN105082571A (en) | 2015-11-25 |
| CN105082571B true CN105082571B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510523313.XA Active CN105082571B (en) | 2015-08-24 | 2015-08-24 | For manufacturing compound material bolt blank forming method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437568B (en) * | 2015-12-10 | 2018-07-20 | 上海复合材料科技有限公司 | A kind of forming method of composite material lead screw suitable for satellite |
| CN106088356A (en) * | 2016-06-28 | 2016-11-09 | 四川点石玄武纤维科技有限公司 | A kind of method preparing basalt fibre screw |
| CN106142293B (en) * | 2016-06-28 | 2018-07-06 | 四川点石玄武纤维科技有限公司 | A kind of preparation method of underground pipe gallery |
| CN113478861A (en) * | 2021-06-18 | 2021-10-08 | 中冶建筑研究总院（深圳）有限公司 | Resin-based composite material bolt for chemical bar planting and preparation method thereof |
| CN113799418B (en) * | 2021-08-23 | 2022-10-21 | 厦门大学 | Preparation method of intelligent composite material bolt, composite material bolt and use method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744878Y (en) * | 2004-09-26 | 2005-12-07 | 王国华 | Electric leakage preventing and insulating bolt and screw cap |
| CN102336026A (en) * | 2011-10-25 | 2012-02-01 | 管印贵 | Direct on-line pultrusion process for fiber reinforced thermoplastic composite material |
| CN102700150A (en) * | 2012-05-14 | 2012-10-03 | 湖北三江航天江北机械工程有限公司 | Molding method of wall-thickness-variable composite connection skirt |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL179087B1 (en) * | 1994-12-19 | 2000-07-31 | Otg St Gallen Ag | Method of making structural members of fibre-reinforced thermoplastic plastic and structural member made thereby |
-
2015
- 2015-08-24 CN CN201510523313.XA patent/CN105082571B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744878Y (en) * | 2004-09-26 | 2005-12-07 | 王国华 | Electric leakage preventing and insulating bolt and screw cap |
| CN102336026A (en) * | 2011-10-25 | 2012-02-01 | 管印贵 | Direct on-line pultrusion process for fiber reinforced thermoplastic composite material |
| CN102700150A (en) * | 2012-05-14 | 2012-10-03 | 湖北三江航天江北机械工程有限公司 | Molding method of wall-thickness-variable composite connection skirt |
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|---|---|
| CN105082571A (en) | 2015-11-25 |
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Address after: 150028 no.6421, Zhigu street, Songbei District, Harbin City, Heilongjiang Province Patentee after: HARBIN FRP INSTITUTE CO.,LTD. Address before: 150036, 100 Hongqi Avenue, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN FRP INSTITUTE |