CN103350515A - Technology for manufacturing blade trailing edge enhancement piece by adopting glass fiber yarn pre-infiltrating method - Google Patents
Technology for manufacturing blade trailing edge enhancement piece by adopting glass fiber yarn pre-infiltrating method Download PDFInfo
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- CN103350515A CN103350515A CN2013102850970A CN201310285097A CN103350515A CN 103350515 A CN103350515 A CN 103350515A CN 2013102850970 A CN2013102850970 A CN 2013102850970A CN 201310285097 A CN201310285097 A CN 201310285097A CN 103350515 A CN103350515 A CN 103350515A
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Abstract
The invention discloses a technology for manufacturing a blade trailing edge enhancement piece by adopting a glass fiber yarn pre-infiltrating method. A plurality of glass fiber yarn balls are arranged on a creel tidily, are arrayed orderly through a tension bar, a leak board and a yarn collecting device under the traction of a drawing device, and then enter a gumming groove; yarn is fully infiltrated with resin in the gumming groove, and then passes through a gum squeezing roller squeezing out the residual resin in the glass fiber yarn from the glass fiber yarn; after the resin content of yarn is controlled by a tubular mould, the yarn after being subjected to rubber squeezing is entwisted into a bunch; the yarn entwisted into a bunch is trimmed as per the requirement of design length, and then is placed into a blade trailing edge mould and spread and laid flatly until the accomplishment of the filling of the trailing edge mould; after the yarn infiltrated with resin is solidified in the mould, the required blade trailing edge enhancement piece can be obtained through demoulding.
Description
[technical field]
The present invention relates to glass fiber yarn infiltrates in advance legal system and makes trailing edge reinforcement technique.
[background technology]
The trailing edge reinforcement is positioned at trailing edge one side, and generally from root of blade, until blade tip, it is mainly used in improving rigidity and the stability of whole blade, guarantees that blade the serious problems such as flexing unstability, cracking can not occur in running.
The MW class blade of producing both at home and abroad at present generally all adopts single shaft directly is layered in the blade shell to glass fabric, and with the blade shell form, there is following shortcoming in the process of this making trailing edge reinforcement:
1, because the width of trailing edge reinforcement is generally narrower, instillation process generally only is suitable for the relatively less trailing edge reinforcement of the number of plies.
2, because single shaft is out of shape less to glass fabric, for avoiding the appearance of trailing edge fold, instillation process generally is only applicable to the blade profile of trailing edge curvature less.
3, because single shaft need to carry out lay by layer to glass fabric, so instillation process generally is only applicable to the relatively blade profile of rule of trailing edge interface shape.
Therefore, be necessary to solve as above problem.
[summary of the invention]
The present invention has overcome the deficiency of above-mentioned technology, provides a kind of glass fiber yarn to infiltrate in advance legal system and has made trailing edge reinforcement technique, and it realizes the production of trailing edge reinforcement in irregular shape by the laying filling mode.
For achieving the above object, the present invention has adopted following technical proposal:
Glass fiber yarn infiltrates in advance legal system and makes trailing edge reinforcement technique, includes following steps:
A, advance yarn: many glass fiber yarns are be arranged in parallel line up sheet output;
B, impregnation: the yarn that will line up sheet is input to and fully infiltrates resin in the steeping vat;
C, plastic squeeze control resin content: the yarn behind the infiltration resin is carried out plastic squeeze, the resin content in the control yarn;
D, laying fill: with the yarn twisted bunchy after the plastic squeeze, the yarn of twisted bunchy is required to carry out cutting according to design length, then put into the trailing edge mould and shakeout laying, until finish the filling to the trailing edge mould;
E, curing: the yarn that infiltrates resin solidifies in the trailing edge mould;
F, the demoulding: the trailing edge reinforcement is deviate from from the trailing edge mould, obtained required trailing edge reinforcement.
As mentioned above, in steps A, described many glass fiber yarns are under the traction of draw-gear, successively finish to be arranged in parallel by tension force stick, bushing and collection yarn device from the creel and line up sheet output.
As mentioned above, in step C, yarn is by the preliminary plastic squeeze of plastic squeeze rod, then by tubular die control resin content.
Compared with prior art, the invention has the beneficial effects as follows:
1, raw material use glass fiber yarn, can fill erose trailing edge mould, can operate in the narrower trailing edge mould of width.
2, many glass fiber yarns are be arranged in parallel line up sheet output, be convenient to traction and the neat twisted bunchy of postorder, be convenient to shakeout laying.
3, by plastic squeeze control resin content, be convenient to reach the resin content of designing requirement, the quality stability of control trailing edge reinforcement.
4, with the yarn twisted bunchy behind the many infiltration resins, the yarn of twisted bunchy is required to carry out cutting according to design length, then put into the trailing edge mould and shakeout laying, until the trailing edge mold filling finishes, the filling that it can the irregular trailing edge mould of suitable shapes and make the various trailing edge reinforcement of size.
5, since yarn infiltrated resin and in the trailing edge mould, solidified, so the trailing edge reinforcement that available can be good after the demoulding can avoid trailing edge possibility of fold, the service life of raising blade to occur.
[description of drawings]
Fig. 1 is flow chart of the present invention.
[specific embodiment]
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technical staff's of the same trade understanding:
As shown in Figure 1, glass fiber yarn infiltrates in advance legal system and makes trailing edge reinforcement technique, includes following steps:
101, advance yarn: many glass fiber yarns are be arranged in parallel line up sheet output;
102, impregnation: the yarn that will line up sheet is input to and fully infiltrates resin in the steeping vat;
103, plastic squeeze control resin content: the yarn behind the infiltration resin is carried out plastic squeeze, the resin content in the control yarn;
104, laying is filled: with the yarn twisted bunchy after the plastic squeeze, the yarn of twisted bunchy is required to carry out cutting according to design length, then put into the trailing edge mould and shakeout laying, until finish the filling to the trailing edge mould;
105, solidify: the yarn that infiltrates resin solidifies in the trailing edge mould;
106, the demoulding: the trailing edge reinforcement is deviate from from the trailing edge mould, obtained required trailing edge reinforcement.
This case detailed process is as follows:
Before the work, be ready to trailing edge reinforcement mould, during the manufacturing, first a plurality of glass fiber yarn yarns being rolled into a ball neatly is placed on the creel, many glass fiber yarns are under the traction of draw-gear, pass through tension force stick, after finishing proper alignment, bushing and collection yarn device enter steeping vat, yarn fully infiltrates resin in steeping vat, yarn behind the infiltration resin is extruded from glass fiber yarn by the Extruded roller resin that glass fiber yarn is more first, then by behind the tubular die control yarn resin content, with the yarn twisted bunchy after the plastic squeeze, the yarn of twisted bunchy is required to carry out cutting according to design length, then put into the trailing edge mould and shakeout laying, until finish the filling to the trailing edge mould, wait for that at last the yarn that infiltrates resin solidifies in mould, the demoulding obtains required trailing edge reinforcement.
As mentioned above, the advantage of this case is as follows:
1, raw material use glass fiber yarn, can fill erose trailing edge mould, can operate in the narrower trailing edge mould of width.
2, many glass fiber yarns are be arranged in parallel line up sheet output, be convenient to traction and the neat twisted bunchy of postorder, be convenient to shakeout laying.
3, by plastic squeeze control resin content, be convenient to reach the resin content of designing requirement, the quality stability of control trailing edge reinforcement.
4, with the yarn twisted bunchy behind the many infiltration resins, the yarn of twisted bunchy is required to carry out cutting according to design length, then put into the trailing edge mould and shakeout laying, until the trailing edge mold filling finishes, the filling that it can the irregular trailing edge mould of suitable shapes and make the various trailing edge reinforcement of size.
5, since yarn infiltrated resin and in the trailing edge mould, solidified, so the trailing edge reinforcement that available can be good after the demoulding can avoid trailing edge possibility of fold, the service life of raising blade to occur.
Claims (3)
1. glass fiber yarn infiltrates in advance legal system and makes trailing edge reinforcement technique, it is characterized in that including following steps:
A, advance yarn: many glass fiber yarns are be arranged in parallel line up sheet output;
B, impregnation: the yarn that will line up sheet is input to and fully infiltrates resin in the steeping vat;
C, plastic squeeze control resin content: the yarn behind the infiltration resin is carried out plastic squeeze, the resin content in the control yarn;
D, laying fill: with the yarn twisted bunchy after the plastic squeeze, the yarn of twisted bunchy is required to carry out cutting according to design length, then put into the trailing edge mould and shakeout laying, until finish the filling to the trailing edge mould;
E, curing: the yarn that infiltrates resin solidifies in the trailing edge mould;
F, the demoulding: the trailing edge reinforcement is deviate from from the trailing edge mould, obtained required trailing edge reinforcement.
2. glass fiber yarn according to claim 1 infiltrates in advance legal system and makes trailing edge reinforcement technique, it is characterized in that in steps A, described many glass fiber yarns are under the traction of draw-gear, successively finish to be arranged in parallel by tension force stick, bushing and collection yarn device from the creel and line up sheet output.
3. glass fiber yarn according to claim 1 and 2 infiltrates in advance legal system and makes trailing edge reinforcement technique, it is characterized in that in step C, and yarn is by the preliminary plastic squeeze of plastic squeeze rod, then by tubular die control resin content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310285097.0A CN103350515B (en) | 2013-07-08 | 2013-07-08 | Glass fiber yarn pre-invasion legal system makes trailing edge reinforcement technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310285097.0A CN103350515B (en) | 2013-07-08 | 2013-07-08 | Glass fiber yarn pre-invasion legal system makes trailing edge reinforcement technique |
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| CN103350515A true CN103350515A (en) | 2013-10-16 |
| CN103350515B CN103350515B (en) | 2015-11-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934316A (en) * | 2014-01-09 | 2016-09-07 | Php纤维有限公司 | Fiber composite material and method for the production thereof |
| CN108437485A (en) * | 2018-03-14 | 2018-08-24 | 连云港中复连众复合材料集团有限公司 | A method of blade girder is manufactured using wet method preimpregnation carbon fiber zero twisted yarn |
| CN111549551A (en) * | 2020-04-23 | 2020-08-18 | 浙江博菲电气股份有限公司 | Prefabricated product of presoaked glass fiber rope and prefabricating method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251309A (en) * | 1978-10-05 | 1981-02-17 | The United States Of America As Represented By The Secretary Of The Army | Method of making rotor blade root end attachment |
| WO2010057502A2 (en) * | 2008-11-24 | 2010-05-27 | Vestas Wind Systems A/S | Wind turbine blade comprising particle-reinforced bonding material |
| US20100193636A1 (en) * | 2007-07-11 | 2010-08-05 | Vincenzo De Vita | Method of manufacturing an integral profile monolithic wing structure |
| CN102049865A (en) * | 2010-11-12 | 2011-05-11 | 天津工业大学 | Multi-tow fiber preimpregnation laying device |
-
2013
- 2013-07-08 CN CN201310285097.0A patent/CN103350515B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251309A (en) * | 1978-10-05 | 1981-02-17 | The United States Of America As Represented By The Secretary Of The Army | Method of making rotor blade root end attachment |
| US20100193636A1 (en) * | 2007-07-11 | 2010-08-05 | Vincenzo De Vita | Method of manufacturing an integral profile monolithic wing structure |
| WO2010057502A2 (en) * | 2008-11-24 | 2010-05-27 | Vestas Wind Systems A/S | Wind turbine blade comprising particle-reinforced bonding material |
| CN102049865A (en) * | 2010-11-12 | 2011-05-11 | 天津工业大学 | Multi-tow fiber preimpregnation laying device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934316A (en) * | 2014-01-09 | 2016-09-07 | Php纤维有限公司 | Fiber composite material and method for the production thereof |
| CN108437485A (en) * | 2018-03-14 | 2018-08-24 | 连云港中复连众复合材料集团有限公司 | A method of blade girder is manufactured using wet method preimpregnation carbon fiber zero twisted yarn |
| CN111549551A (en) * | 2020-04-23 | 2020-08-18 | 浙江博菲电气股份有限公司 | Prefabricated product of presoaked glass fiber rope and prefabricating method |
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| CN103350515B (en) | 2015-11-11 |
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Effective date of registration: 20170527 Address after: 671000 Yunnan Province, Dali Denglong Prefecture of Dali City Economic Development Zone of Dali Street No. 8 Patentee after: Yunnan Mingyang Wind Power Technology Co., Ltd. Address before: 22 Ming Yang Industrial Zone, Torch Road, torch hi tech Industrial Development Zone, Guangdong, Zhongshan 528400, China Patentee before: Guangdong Mingyang Wind Power Group Co., Ltd. |