CN102241105B - 导流器的制作方法 - Google Patents

导流器的制作方法 Download PDF

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CN102241105B
CN102241105B CN201110079341.9A CN201110079341A CN102241105B CN 102241105 B CN102241105 B CN 102241105B CN 201110079341 A CN201110079341 A CN 201110079341A CN 102241105 B CN102241105 B CN 102241105B
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CN102241105A (zh
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G·迪谢纳
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Safran Aero Boosters SA
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Techspace Aero SA
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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
    • B29C70/48—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 in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/583—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features
    • B29C53/587—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features having a non-uniform wall-structure, e.g. with inserts, perforations, locally concentrated reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/86—Incorporated in coherent impregnated reinforcing layers, e.g. by winding
    • 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
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    • B29C70/86—Incorporated in coherent impregnated reinforcing layers, e.g. by winding
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    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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    • F01D9/044—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators permanently, e.g. by welding, brazing, casting or the like
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
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    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7375—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured
    • B29C66/73751—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being uncured, i.e. non cross-linked, non vulcanized
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    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
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    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7394—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoset
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    • B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
    • F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Abstract

本发明涉及涡轮机的拼合式导流器的制作方法，所述导流器包括环管，所述环管配有多个定子叶片(2)，所述定子叶片每个包括一板片(4)，并且可选地包括一基床(3)，所述方法包括至少如下的步骤：a)在一芯体上卷绕一加强体的第一层(6)，所述芯体也起到模型的作用并包括凸出部分，所述加强体的第一层(6)包括与所述凸出部分相面对地布置的切口(7)；b)将一预制的锭块(9)布置在每个凸出部分上；c)将所述加强体的最后一层(8)卷绕在所述锭块(9)之上，因而形成一预型件；d)将一树脂注射进容纳有所述预型件的封闭的模具中，并且使得浸有树脂的所述预型件聚合化；e)将所述聚合化的预型件从所述模具中取出，并且通过焊接方式将所述板片(4)的基部嵌接在每个所述的锭块(9)上，或者可选地，如果所述叶片在其中包括一基床(3)，则通过焊接方式将所述叶片的基床(3)嵌接在每个所述的锭块(9)上。

Description

导流器的制作方法
技术领域
本发明涉及用于涡轮机的导流器的制作方法。
本发明更为特别地涉及具有整体式或附接式叶片的拼合式的内或外环管的制作方法。
本发明还涉及根据本方法获得的导流器。
背景技术
同轴压缩机本身是为熟知的，并且尤其是被使用在涡轮机中。
这些低压的或高压的压缩机包括多个转动叶片级，所述叶片级通过导流器级相隔开，所述导流器级具有的目的在于将从上一级离开的流体向下一级传输前重新定位其速度向量。
这些导流器级基本上由固定叶片组成，所述固定叶片还被称为定子叶片，所述固定叶片将一外环管与一内环管相连，这两环管全都是呈同心的并且界定空气流的区域或气动脉管。
定子叶片通常包括通过锚固、焊接、螺栓固定、胶接等方式固定在外环管上的一基床。通过铆钉(US 6,543,995A)和螺栓(EP 1 936 121A)组装的示例分别地在图1a和图1b上示出(参照附图标记)。
通过铆钉、螺栓等方式组装的弊端在于：需要在环管中穿制开口用于固定元件通过，而这带来所述环管的结构强度的降低。
通过胶接的组装的劣势在于：不能作为唯一组装方法来使用，而总是作为其它组装方法、例如通过螺钉类的组装方法的补充，并且这在于保证更好的机械强度。
发明内容
本发明旨在提供允许消除现有技术的弊端的解决方案。
特别地，本发明旨在于叶片和环管之间实施一组装，该组装不减弱环管的机械强度。
此外，本发明旨在于叶片和环管之间实施一组装，所述组装允许在出现叶片断裂的情况下容易地整修叶片。
本发明涉及涡轮机的拼合式导流器的制作方法，所述导流器包括环管，所述环管配有多个定子叶片，所述定子叶片每个包括一板片，并且可选地包括一基床，所述方法至少包括如下的步骤：
a)在一芯体上卷绕一加强体的第一层，所述芯体也起到模型的作用并包括凸出部分，所述加强体的第一层包括与所述凸出部分相面对地布置的切口；
b)将一预制的锭块布置在每个凸出部分上；
c)将所述加强体的最后一层卷绕在所述锭块之上，因而形成一预型件；
d)将一树脂注射进容纳有所述预型件的封闭的模具中，并且使得浸有树脂的所述预型件聚合化；
e)将聚合化的所述预型件从所述模具中取出，并且通过焊接方式将所述板片的基部附接在每个所述的锭块上，或者可选地，如果所述叶片包括一基床，则通过焊接方式将所述叶片的基床附接在每个所述的锭块上。
根据本发明的特别实施方式，所述方法包括至少一个以下的特征或以下特征的一个合适的组合：
所述预制的锭块和所述叶片以一种热塑性材料制成；
所述预制的锭块和所述叶片以一种金属材料制成；
所述锭块具有突起部和/或表面不规则部，所述突起部和表面不规则部保证所述锭块在所述预型件中的锚固；
所述叶片和所述锭块包括一具有长纤维、中等纤维或短纤维的加强体；
在所述步骤e)中，所述叶片通过热塑性焊接方法被附接在所述锭块上；
所述树脂是可热固的树脂；
所述树脂在低于所述锭块的熔化温度的一温度下被聚合化；
所述可热固的树脂是一环氧树脂；
所述热塑性的锭块以聚醚醚酮、聚醚酮酮或聚醚酰亚胺制成；
所述加强体具有编织物、织物布或非织造布(NCF：非起皱布)；
所述凸出部分包括尖头部；
在出现一叶片断裂或损坏的情况下，一新叶片通过焊接方式被附接到所述锭块上；
所述焊缝被定位在所述环管的内表面上或位于所述环管的内表面外。
本发明也涉及通过如前所述的方法获得的涡轮机的导流器。
附图说明
已经提到的图1a和1b分别地示出根据现有技术的在定子叶片和外环管之间的组装示例的三维视图和剖视图(参照附图标记)。
图2示出根据本发明的第一实施方式的定子叶片的三维视图，所述定子叶片被插入在外环管的预型件的加强体层之间。
图3是对应图2的组装体的剖视图。
图4示出根据本发明的第二实施方式附接在一锭块上的一定子叶片的主视图，该锭块插入在外环管的预型件的加强体层之间。
图5示出根据本发明的第二实施方式的在锭块和叶片之间的焊缝的三种位置的示意性视图。
附图标记
(1)在外环管之间的组装法兰
(2)定子叶片
(3)叶片的基床
(4)叶片的板片
(5)外环管
(6)环管的预型件的加强体的第一层
(7)在环管的预型件的加强体的第一层上的切口
(8)环管的预型件的加强体的最后一层
(9)锭块
(10)锭块的突起
(11)焊缝
具体实施方式
本发明涉及涡轮机的导流器的制作方法，并且更为特别地涉及根据本发明的第一实施方式的具有整体式叶片或涉及根据本发明的第二实施方式的具有附接式叶片的一环管的制作方法。本发明被示出用以制作外环管，不过根据本发明的方法同样应用于内环管的制作。
根据图2和3示出的第一实施方式，所述方法包括至少五个步骤。第一步骤a)在于在一芯体(未显示)上卷绕一加强体的第一层6，所述芯体也起到模型的作用并包括孔洞。加强体的第一层6包括与孔洞相面对布置的切口7。在第二步骤b)，叶片2——更为特别地叶片的板片4——按图3所示的箭头方向穿过第一层6的切口7和芯体的孔洞被插入。优选地，叶片2包括一基床3，基床3具有突起部(未显示)，突起部用于机械的锚固。基床的表面也可包括表面不规则部(未显示)，这还是出于改善其锚固的目的。在第三步骤c)，加强体的最后一层8被卷绕在叶片的基床3的上方，用于完成导流器的预型件。在第四步骤d)，模具被封闭，围绕叶片基床注射一树脂，并且浸渍的所述预型件被聚合化。第五且是最后一步骤e)在于打开模具并且使由此得到的导流器出模。
根据在图4上示出的第二实施方式，所述方法包括至少五个步骤。第一步骤a)在于在一芯体(未显示)上卷绕一加强体的第一层6，所述芯体也起作模型作用，并且包括的不是孔洞，而是凸出部分——如尖头部，所述凸出部分径向地布置在将来的叶片位置。加强体的第一层6包括与凸出部分相面对地布置的切口7。在第二步骤b)，预制的锭块9被布置在凸出部分上。存在与要固定在环管上的叶片一样多的锭块。根据本发明，锭块9包括突起部10，即在轴向的和周向的方向上的锭块的伸展部分，这些突起部10安置于加强体的第一层6上。作为变型，锭块在其表面上具有表面不规则部(未显示)。甚至根据另一变型，锭块在其表面上包括突起部和表面不规则部。在第三步骤c)，加强体的最后一层8在锭块9和其突起部10之上卷绕。在第四步骤d)，模具被封闭，围绕锭块注射一树脂，并且浸渍的所述预型件被聚合化。第五步骤e)在于打开模具并通过焊接(11：焊缝)将叶片2附接在锭块9上。在叶片包括基床的情形下，是叶片的基床被焊接或共固结在锭块上，或者在叶片不包括基床的情形下，是叶片的板片的基部被焊接或共固结在锭块上。在锭块9和叶片2之间的焊接可在如图5所示的不同位置执行。有利地，焊缝11被布置在位置2或3，即位于在机械上受应力最大的区域外，即环管的内表面(在气动脉管中的面)之外。
根据上述的本发明的两种实施方式，被注射的树脂优选地是一种可热固化的树脂，例如一环氧树脂，其具有液体的形态并且围绕基床的或锭块的轮廓和表面不规则部，因而允许所述基床的或所述锭块的良好锚固。树脂的聚合在低于所述叶片的或所述锭块的熔化温度的一温度下进行，以避免所述叶片或所述锭块变软。叶片以及锭块可以用一种热塑性材料或金属材料制成。优选地，叶片和锭块以一种热塑性材料制成，并且在第二实施方式中，叶片通过热塑性的焊接被附接在锭块上。作为示例，叶片和锭块以聚醚醚酮(PEEK，Polyétheréthercétone)树脂、聚醚酮酮(PEKK，Polyéthercétonecétone)树脂或聚醚酰亚胺(PEI，Polyétherimide)树脂制成。环管的加强体可由编织物、织物布或非织造布(称为NCF：非起皱布)组成。相同地，热塑性的叶片和锭块也包括可以是长纤维式、中等纤维式或短纤维式的加强体。
本发明方法的优点
安装得到简化，这是因为不需要有固定元件，所述固定元件例如是铆钉、螺栓等。
在叶片(或锭块)和环管之间的连接在与环管制作共同的单一操作中实施，这允许在制作时增加集成度。
根据本发明的方法允许实施拼合式环管和叶片。拼合式外环管和叶片的实施因而产生大约13％的质量减小的效益，这种质量效益是相对于在分别地由钛实施的外环管和叶片之间的焊接组装获得。
根据本发明的第二实施方式，在出现一叶片断裂的情况下，一新叶片可容易地通过热塑性焊接方法被附接在锭块上。
根据本发明的第二实施方式的在位置2和3处设置焊缝允许保证所述叶片(位置2)或所述锭块(位置3)在机械上受应力最大的区域中的纤维的连续性。

Claims (14)

1.涡轮机的拼合式导流器的制作方法，所述导流器包括环管，所述环管配有多个定子叶片(2)，所述定子叶片每个包括一板片(4)，所述制作方法至少包括如下的步骤：
a)在一芯体上卷绕一加强体的第一层(6)，所述芯体也起到模型的作用并包括凸出部分，所述加强体的第一层(6)包括与所述凸出部分相面对地布置的切口(7)；
b)将一预制的锭块(9)布置在每个凸出部分上；
c)将所述加强体的最后一层(8)卷绕在所述预制的锭块(9)之上，因而形成一预型件；
d)将一树脂注射进容纳有所述预型件的封闭的模具中，并且使得浸有树脂的所述预型件聚合化；
e)将聚合化的所述预型件从所述模具中取出，并且通过焊接方式将所述板片(4)的基部附接在每个所述预制的锭块(9)上，或者如果所述叶片包括一基床(3)，则通过焊接方式将所述叶片的基床(3)附接在每个所述预制的锭块(9)上。
2.根据权利要求1所述的制作方法，其特征在于，所述预制的锭块(9)和所述定子叶片(2)以一种热塑性材料制成。
3.根据权利要求1所述的制作方法，其特征在于，所述预制的锭块(9)和所述定子叶片(2)以一种金属材料制成。
4.根据前述权利要求任一项所述的制作方法，其特征在于，所述预制的锭块(9)具有突起部(10)和/或表面不规则部，所述突起部、表面不规则部保证所述预制的锭块在所述预型件中的锚固。
5.根据权利要求2所述的制作方法，其特征在于，所述定子叶片(2)和所述预制的锭块(9)包括一具有长纤维、中等纤维或短纤维的加强体。
6.根据权利要求2所述的制作方法，其特征在于，在所述步骤e)中，所述定子叶片(2)通过热塑性焊接方法被附接在所述预制的锭块(9)上。
7.根据权利要求1所述的制作方法，其特征在于，所述树脂是可热固的树脂。
8.根据权利要求7所述的制作方法，其特征在于，所述树脂在低于所述预制的锭块(9)的熔化温度的一温度下被聚合化。
9.根据权利要求7所述的制作方法，其特征在于，所述可热固的树脂是一环氧树脂。
10.根据权利要求2所述的制作方法，其特征在于，以热塑性材料制成的所述预制的锭块(9)以聚醚醚酮、聚醚酮酮或聚醚酰亚胺制成。
11.根据权利要求1所述的制作方法，其特征在于，所述加强体具有编织物、织物布或非织造布。
12.根据权利要求1所述的制作方法，其特征在于，所述凸出部分包括尖头部。
13.根据权利要求1所述的制作方法，其特征在于，在出现一定子叶片(2)断裂或损坏的情况下，一新定子叶片(2)通过焊接方式被附接到所述预制的锭块(9)上。
14.根据权利要求1所述的制作方法，其特征在于，焊缝(11)被定位在所述环管的内表面上或位于所述环管的内表面外。
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