TWI290194B - Manufacturing method for upper plate of metal impeller of submerged pump - Google Patents

Manufacturing method for upper plate of metal impeller of submerged pump Download PDF

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Publication number
TWI290194B
TWI290194B TW94133775A TW94133775A TWI290194B TW I290194 B TWI290194 B TW I290194B TW 94133775 A TW94133775 A TW 94133775A TW 94133775 A TW94133775 A TW 94133775A TW I290194 B TWI290194 B TW I290194B
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Taiwan
Prior art keywords
upper substrate
plastic
upper plate
impeller
convex ring
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TW94133775A
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Chinese (zh)
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TW200712336A (en
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Shr-Tzung Chen
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Shr-Tzung Chen
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Priority to TW94133775A priority Critical patent/TWI290194B/en
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Publication of TWI290194B publication Critical patent/TWI290194B/en

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Abstract

The present invention relates to a kind of manufacturing method for the upper plate of the metal impeller inside the submerged pump, including to press upper plate substrate (100), to press the protruded ring (103) in the center of the upper plate substrate (100), to locate the upper plate substrate (100) in the plastic forming mold (30), to form a plastic lining (105) inside and integral with the protruded ring (103) by the injection forming method. Thus, the upper plate (11) of impeller assembly (10) with integrated plastic lining (105) can be obtained. The upper plate (11) is then welded and fixed onto the volute blades (13), and the lower plate (12) is mounted onto the other ends of the volute blades (13) to obtain the impeller assembly (10). Because the upper plate substrate (100) and plastic lining (105) are formed as one piece, there is no clearance between them. The impeller assembly can be attached onto the motor shaft of the submerged pump by the inner wall of the plastic lining (105) to ensure the rotation synchronization of them.

Description

1290194 九、發明說明: 【發明所屬之技術領域】 本發明是關於一種非變容式粟的技術領域’尤指一種 沈水泵的具有一體式塑膠襯件的全屬 Γ , _, 卞7孟屬葉輪上片製造方法。 【先刖技術】 用以抽取地下水之沈水泵,係 尔〜用馬達帶動葉輪高速 旋轉,以達到汲水之功能,@習用之葉輪具有塑膠製造者 ,以多邊形之内周壁套設於馬達之多邊形周壁上旋轉,然 而,由於馬達軸係高速旋轉,其轉速可達34〇〇rpm以上, 易使塑膠製的葉輪發熱變形,因此有業者設計一證書號第 M271 968號「沈水泵浦之葉輪組」新型專利案,其主要設 有一金屬製的葉輪,再於葉輪中心穿置一塑化材質製成的 中空軸塊,其組成結構如第五圖所示,葉輪組(5 〇 /係 具有以金屬製的葉輪(51)、以及套設於葉輪(51) 中間之中空轴塊(5 2 ),其中,葉輪(5 1 )係包括以 金屬板片製成之上盤(510)、底盤(511)、以及 夹制焊固於上盤(5 1 〇 )及底盤(5 1 1 )《間的數片 放射狀金屬葉片(512),而上盤(510)異於底盤 (5 1 1 )該端面中間突設有一中空之凸環(5 1 3 ), 於该凸環(5 1 3 )+間設有一多邊形結合孔(5 1 4 ) ,以供所述之中空軸塊(5 2 )套設。 5亥中空軸塊(5 2 )之其中一端設為多邊形之結合端 (52〇) ’以相應穿入葉輪組(5〇)之上盤(510 5孔(5 1 4 )内,而中空軸塊(5 2 )中心亦設有 1290194 多邊形之結合孔(521),以相應套設於馬達轴上。 而此種二件式㈣輪組(5 G )在f造時有徒增成本之 失’以及t空軸塊(5 2 )容易磨損之缺失,其原因說 如后· 請參閱第六圖所示之葉輪(5丄)上盤(5上〇 )的 製造步驟,其先於-金屬板上衝製成型數個環形之上盤基 板(5 1 5 ) ’上盤基( 5 i 5 )中心同時衝製一穿孔 (5 1 6),而後將上盤基板(H 5)置於成型模具上 ’以該穿孔(5 1 6 )為基點衝製成型一凸環(5 ") ,再於凸冑(5 1 3 )中間衝製成型一多邊形結合孔(5 1?,即成上盤(510),再於上盤(51〇)異於 凸裱(5 1 3 )該端焊固於第五圖所示之渦形葉片(5 1 2)表面。故上盤(5 ! 〇)的衝製成型步驟至少有三個 其太干固成葉輪(5 1 )以|,再與中空轴塊(5 2 )相 互套設,故所需製造、組裝之成本較高。 另就其結構設計而言,由於上盤(5 1 〇 )與中空轴 :(5 2 )之多邊形結合端(5 2 Q )之間係相互套:, :者之間定略有間隙’而中空軸塊(5 2)係被馬達帶 合二鳴'以上之速度轉動’致使中空轴塊(Μ)結 而5 2 0 )之端角易產生磨損,終致無法使用。 故:前述:告之證書號請1968號新型專利案的二 式之葉輪組貫有加以改良之必要。 【發明内容】 為了改善前述二件式葉輪組之缺失,本發明之主要目 1290194 的在於提供一種可以減少衝製程序,以及預防塑膠襯件磨 、 損之一體式葉輪組上片。 ' 基於上述目的,本發明之主要技術手段提供一種沈水 泵金屬葉輪之上片製造方法,包括·· 衝製成型上片基板:取一金屬板片,於金屬板片上衝 製成型數個環形上片基板,該上片基板中心並且同時形成 • 非圓形之穿槽,該穿槽之内周壁間隔設有朝板面凹入之 勢 凹部’於兩凹部之間形成朝向穿槽内部突出之凸部; 衝製成型凸環:於上片基板中間朝向其中一端面衝製 成ι 凸環,该凸環之内徑係大於所述凹部、凸部之設置 ^ 衝製成型之凹部、凸部係與凸環之周緣同平面設置 而沿著軸向延伸; 將上片基板置於塑膠成型模具内射出成型:將衝製成 型之上片基板置於塑膠成型模具之模穴當中,進行塑膠射 出成型作業,以在上片基板之凸環内周緣以及兩端形成— 鲁體式的塑穋襯件,該塑膠襯件之内周壁並且形成多邊形穿 成品 成品··完成射出成型塑膠襯件以&,即為葉輪之上片 貫施上述技術手段以後,即為 苹浐组"$ & p為具有-體式塑膠襯件之 葉輪組上[再將上片焊固於渦形葉片上,渦 —端則設有下片,即組成葉輪組, ^ ^ ^ )稽由塑膠襯件之多邊 形牙孔牙置結合於沈水泵之馬達軸 逯 f造方冰叮從〜 而本發明之上片的 衣仏方法可獲得之具體效益為·· 1290194 上片基板只要兩個衝製成型步 认乂、+、仍1 1 J 70成’其步驟少 於刖述写知上片需要三個衝製成 ^ 型之時間,以及所需模具成本。 野氟成 更重要的是,由於上片基板與塑膠襯件 置,故兩者之間無間隙地貼合一 ’一豆式叹 久吐、、 起,可以改善前述二件式 套接之塑膠襯件與上片之間且 角磨損的缺失。 有間隙’致使塑膠襯件之端 【實施方式】 請參閱第-圖所示,係本發明「沈水系金屬葉 片製造方法」,其包括: ” 衝製成型上片基板(100):以金屬板片 數個環形上片基板(100)(圖式中以圓形表示 =設為多邊形)’該上片基板(1〇〇)中心並且同時 :成-非圓形之穿槽’該穿槽之内周壁間隔設有朝板面凹 =之凹部⑴"’以於兩凹部(101)之間 向穿槽内部突出之凸部(1〇2); 衝製成型凸環(1 0 3 ):於上片基板(1 〇 〇 )中 ,衝製成型一朝向一端面突出之凸環(丄〇 3 ),該凸環 (1 0 3 )之内徑係大於所述凹部(丄〇丄)、凸部(1 0 2 )之設置範圍,以至於衝製成型後,<吏凹部(1 〇 1 :、凸部(1 0 2 )直接成型於凸環(i 〇 3 )之周緣 # ’並且與周緣同平面而呈軸向延伸,即完成上片基板( 1〇0)之衝製成型作業; 將上片基板(100)置於塑膠成型模具(3〇)内 7 1290194 :將製成的上片基板(1 〇 〇 ) f於塑膠成型模具(3 〇 )之模穴(3 1 ) t中,再以另一只模具對合以後(圖式 中係示出其中一模具,3一片與之對合之模具未示出), 進行塑膠射出成型作業,即於上片基板(i 〇 〇 )之凸環 (1 0 3 )内周緣以及兩端形成一體式的塑膠襯件(丄〇 5) ’該塑膠襯件(1〇5)之内周壁並且形成多邊形穿 孔(1 0 6 ),以相應套設於馬達軸之多邊形周壁上; 成品··完成射出成型塑膠襯件(丄〇 5 )以後, 上片(1 1 )成品。 再將塑膠襯件(i i )如第二圖所示地焊固於渴形葉 片(1 3 )表面,而該渦形葉片(丄3 )係固定於一下片 (1 2 )表面,即組構成葉輪組(丄〇 )。 復由第二圖所示可知,由於上片基板(1 〇〇)之凸 環(1 0 3 )端面具有軸向凹入之凹部(丄〇丄)、以及 軸向突出之凸部(1 〇 2 ),故-體成型後之塑膠襯件( 1 0 5 )與凸環(1 0 3 )之間係呈凹凸配合,以強化塑 膠襯件(1 0 5 )與凸環(1 0 3 )之間的結合度,使上 片基板(1 0 0 )與塑膠概件(1 0 5 )之間不至於脫離 0 —而由於塑膠襯件(工〇 5 )與上片基板(丄〇 〇 )係 -體式製成’ 4^兩者之間無間隙,可以改善前述以塑膠襯 件與葉輪之上片相互套設之二件式葉輪組的缺失。 另則述设於上片基板上之凹部及凸部係呈連續性之波 浪狀設置,其亦可以其他形 <,例如第三圖所示地將上片 1290194 基板(1〇〇A)上之凹部 A )設為三角形之尖錐齒狀 齒狀,或者不規則狀,只要 向突出之凸部均可達到提升 之目的。 ll〇lA)、凸部(1〇2 ’其亦可以設為單邊傾斜之鋸 设為輛向凹入之凹部、以及軸 塑膠襯件與上片基板結合強度1290194 IX. Description of the invention: [Technical field of invention] The present invention relates to a technical field of non-variable-type millet, in particular to a submerged water pump having an integral plastic lining, which is a genus of genus, _, 卞7 The method of manufacturing the impeller. [First-hand technology] The submersible pump used to pump groundwater is driven by a motor to drive the impeller to rotate at a high speed to achieve the function of drowning. The conventional impeller has a plastic manufacturer, and the inner wall of the polygon is set on the polygon of the motor. Rotating on the wall of the circumference, however, because the motor shaft rotates at a high speed, the rotation speed can reach 34 rpm or more, and the impeller of the plastic is easy to be deformed by heat. Therefore, the manufacturer has designed a certificate number No. M271 968 "The impeller group of the submersible pump" The new patent case mainly consists of a metal impeller, and a hollow shaft block made of plasticized material is placed in the center of the impeller. The composition of the impeller group (5 〇 / system has a metal impeller (51) and a hollow shaft block (52) disposed between the impellers (51), wherein the impeller (5 1 ) comprises an upper plate (510) and a chassis made of a metal plate ( 511), and a plurality of radial metal blades (512) welded between the upper plate (5 1 〇) and the chassis (5 1 1 ), and the upper plate (510) is different from the chassis (5 1 1 ) a hollow convex ring (5 1 3 ) is protruded in the middle of the end surface. A polygonal coupling hole (5 1 4 ) is disposed between the convex ring (5 1 3 )+ for arranging the hollow shaft block (52). One end of the hollow shaft block (5 2 ) is provided. The combined end of the polygon (52〇) 'is correspondingly penetrated into the impeller group (5〇) above the disk (510 5 holes (5 1 4 ), and the hollow shaft block (52) also has a combination of 1290194 polygons The hole (521) is correspondingly sleeved on the motor shaft. The two-piece (four) wheel set (5 G) has a cost increase in the manufacture of the f and the t-axis block (5 2 ) is prone to wear. Missing, the reason is as follows. Please refer to the manufacturing procedure of the impeller (5 丄) upper plate (5 upper 〇) shown in the sixth figure, which is formed by punching a plurality of annular upper disk substrates before the metal plate (5 1 5 ) 'The upper disc base (5 i 5 ) center simultaneously punches a perforation (5 1 6), and then places the upper disc substrate (H 5) on the molding die' with the perforation (5 1 6 ) The base point is punched into a convex ring (5 "), and then punched into the middle of the tenon (5 1 3 ) to form a polygonal joint hole (5 1?, that is, the upper plate (510), and then on the upper plate ( 51〇) is different from the tenon (5 1 3) The surface of the spiral vane (5 1 2) shown in the figure. Therefore, at least three of the punching steps of the upper disc (5! 〇) are too dry to form the impeller (5 1 ) with |, and then with the hollow shaft block ( 5 2) Between each other, the cost of manufacturing and assembly is high. In terms of its structural design, due to the polygonal joint of the upper plate (5 1 〇) and the hollow shaft: (5 2 ) (5 2 Q ) between each other: , : There is a gap between the 'and the hollow shaft block (5 2) is rotated by the motor with two sounds ' above the speed 'cause the hollow shaft block (Μ) knot and 5 2 0 The end angle of the blade is prone to wear and can not be used. Therefore: the above: the certificate number is required. The impeller of the second type of the 1968 new patent case is necessary for improvement. SUMMARY OF THE INVENTION In order to improve the absence of the aforementioned two-piece impeller group, the main object 1290194 of the present invention is to provide a sheet which can reduce the punching process and prevent the plastic liner from being worn and damaged. Based on the above objective, the main technical means of the present invention provides a method for manufacturing a sheet metal impeller on a submerged water pump, comprising: a stamping type upper substrate: taking a metal sheet and punching a plurality of metal sheets a ring-shaped upper substrate, the center substrate and at the same time forming a non-circular groove, the inner peripheral wall of the groove is provided with a concave portion recessed toward the plate surface, and the groove is formed between the two concave portions to protrude toward the inside of the groove The convex portion is formed into a convex ring in the middle of the upper substrate, and the inner diameter of the convex ring is larger than the concave portion and the convex portion. The peripheral portion of the convex portion and the convex ring are disposed in the same plane and extend along the axial direction; the upper substrate is placed in a plastic molding die to be injection molded: the punched upper substrate is placed in the cavity of the plastic molding die Plastic injection molding operation is performed to form a plastic-like lining member on the inner circumference and both ends of the convex ring of the upper substrate, and the inner peripheral wall of the plastic lining member is formed into a polygonal wearing finished product. After the above-mentioned technical means is applied to the upper part of the impeller, it is the set of the impeller group "$ & p is the impeller group with the plastic part of the body type [the upper piece is welded to the spiral shape) On the blade, the vortex-end is provided with a lower piece, that is, a group of impellers, ^^^), the polygonal tooth hole of the plastic lining piece is combined with the motor shaft of the submersible pump, and the present invention is The specific benefit that can be obtained by the method of coating on the top sheet is ······································································· The time between three punches and the required mold cost. More importantly, the wild flake is made up of the upper substrate and the plastic lining, so that there is no gap between the two, and the two-piece splicing plastic can be improved. The absence of angular wear between the liner and the topsheet. There is a gap 'causing the end of the plastic lining member'. [Embodiment] Please refer to the figure-picture, which is a "submerged metal blade manufacturing method" of the present invention, which comprises: ” a stamped upper substrate (100): a metal a plurality of annular upper substrate (100) (in the figure, represented by a circle = set to a polygon) 'the center of the upper substrate (1 〇〇) and at the same time: a non-circular through groove' The inner peripheral wall is provided with a concave portion (1) " for the concave surface of the plate surface so that the convex portion (1〇2) protruding between the two concave portions (101) toward the inside of the groove; the punched convex ring (1 0 3 ) : in the upper substrate (1 〇〇), a convex ring (丄〇3) protruding toward one end is formed, and the inner diameter of the convex ring (1 0 3 ) is larger than the concave portion (丄〇丄) ), the setting range of the convex portion (1 0 2 ), so that after the punching, the concave portion (1 〇 1 :, the convex portion (1 0 2 ) is directly formed on the periphery of the convex ring (i 〇 3 ) # 'and extending axially in the same plane as the circumference, that is, completing the punching operation of the upper substrate (1〇0); placing the upper substrate (100) in the plastic molding die (3〇) 7 12901 94: The prepared upper substrate (1 〇〇) f is placed in the cavity (3 1 ) t of the plastic molding die (3 〇), and then joined by another mold (the figure shows A mold, 3 pieces of the mold that is not matched with it, is used for plastic injection molding, that is, an integral plastic is formed on the inner circumference and both ends of the convex ring (1 0 3 ) of the upper substrate (i 〇〇). Lining member (丄〇5) 'The inner peripheral wall of the plastic lining member (1〇5) and forming a polygonal perforation (106) to be correspondingly sleeved on the polygonal peripheral wall of the motor shaft; Finished product··Complete injection molding plastic lining After the piece (丄〇5), the upper piece (1 1 ) is finished. Then the plastic lining piece (ii) is welded to the surface of the thirsty blade (13) as shown in the second figure, and the vortex blade (丄) 3) is fixed on the surface of the next piece (1 2 ), that is, the group constitutes the impeller group (丄〇). As shown in the second figure, the end face of the convex ring (1 0 3 ) of the upper substrate (1 〇〇) a concave portion (丄〇丄) having an axial recess and a convex portion (1 〇 2) protruding in the axial direction, so that the plastic lining (1 0 5 ) and the convex ring (1 0 after the body molding) 3) There is a concave-convex fit to strengthen the bond between the plastic lining (1 0 5) and the convex ring (1 0 3 ), so that the upper substrate (100) and the plastic part (1 0 5 Between the two, there is no gap between the plastic lining (worker 5) and the upper substrate (丄〇〇), and the gap between the two can be improved. The two impellers of the impeller are interposed on each other. The recesses and the projections on the upper substrate are arranged in a continuous wave shape, and may be in other shapes, for example, the third. As shown in the figure, the concave portion A of the upper plate 1290194 substrate (1〇〇A) is set to a triangular pyramid-toothed tooth shape, or irregular shape, as long as the protruding convex portion can achieve the purpose of lifting. ll〇lA), convex part (1〇2 ′ can also be set as a single-sided inclined saw to set the recessed concave part, and the strength of the joint between the plastic lining and the upper substrate

又如第四圖所示,本發明亦可於葉輪組(1“)之 上片基板(1 〇 〇B)凸環(1 〇 3 B )内周壁上,間隔 設以數個突出之凸緣(107B).,使一體成型塑膠襯件 (1 0 5 B )時’藉由凸緣(1 0 7 B )嵌入塑膠襯件( 1 0 5 B )之周壁,以更進一步提升兩者之結合強度。此 外,亦可於凸裱内周壁反向設為凹緣’仍可得到與塑膠襯 件嵌合之狀態。 【圖式簡單說明】 第一圖係本發明上片成型步驟之立體示意圖。 第一圖係本發明組裝成葉輪組之立體示意圖。 第三圖係本發明第二種實施例組成葉輪組之立體示意 葉輪組之平面組合 第四圖係本發明第三種實施例組成 剖面示意圖。 第五圖係現有二件式葉輪組之立體分解示意圖。 第六圖係現有二件式葉輪組之上盤的衝製成型步驟立 體示意圖。 【主要元件符號說明】 (1〇) (10B)葉輪組 9 1290194 ( 1 0 0 ) ( 1 0 0 A ) (100Β)上片基板 (10 1) ( 1 0 1 A )凹部 ( 1 0 2 ) (102A)凸部 (1 0 3 ) ( 1 0 3 B )凸環 ( 1 0 5 ) ( 1 0 5 B )塑膠襯件 (106)多邊形穿孔 (1 0 7 B )凸緣 (11)上片 (12)下片 (1 3 )渦形葉片 (3 0 )模具 (3 1 )模穴 (50)葉輪組 (51)葉輪 (510)上盤 (511)下盤 (5 1 2 )渦形葉片 (5 1 3 )凸環 (5 1 4 )結合孔 (5 2 )塑膠襯件 (5 2 0 )結合端 (5 2 1 )結合孔As shown in the fourth figure, the present invention can also be arranged on the inner peripheral wall of the convex substrate (1 〇 3 B ) of the substrate (1 〇〇 B) on the impeller group (1"), and is provided with a plurality of protruding flanges. (107B). When inserting the plastic lining piece (1 0 5 B), insert the flange (1 0 7 B) into the peripheral wall of the plastic lining (1 0 5 B) to further enhance the combination of the two. In addition, the state in which the inner peripheral wall of the tenon is reversed as the concave edge can still be obtained in a state of being fitted to the plastic lining. [Schematic Description of the Drawing] The first drawing is a perspective view of the upper sheet forming step of the present invention. The first figure is a perspective view of the assembly of the invention into an impeller group. The third figure is a planar combination of the three-dimensional schematic impeller group of the impeller group according to the second embodiment of the present invention. The fourth figure is a schematic cross-sectional view of the third embodiment of the present invention. The fifth figure is a three-dimensional exploded view of the existing two-piece impeller group. The sixth figure is a three-dimensional schematic diagram of the punching step of the existing two-piece impeller group. [Main component symbol description] (1〇) (10B ) impeller group 9 1290194 ( 1 0 0 ) ( 1 0 0 A ) (100 Β) upper substrate (10 1) ( 1 0 1 A ) Concave (1 0 2 ) (102A) Convex (1 0 3 ) ( 1 0 3 B ) Convex ring ( 1 0 5 ) ( 1 0 5 B ) Plastic lining (106) Polygonal perforation (1 0 7 B) Flange (11) Upper piece (12) Lower piece (1 3 ) Scroll blade (3 0 ) Mold (3 1 ) Mold hole (50) Impeller group (51) Impeller (510) Upper plate (511 ) lower plate (5 1 2 ) spiral blade (5 1 3 ) convex ring (5 1 4 ) coupling hole (5 2 ) plastic lining member (5 2 0 ) bonding end (5 2 1 ) bonding hole

Claims (1)

12991941299194 J 十、申請專利範圍: •一種沈水泵金屬葉輪之上片製造方法,包括: 衝製成型上片基板··取一金屬板片,於金屬板片上衝 製成型數個環形上片基板,該上片基板中心並且同時形成 一非圓形之穿槽’該穿槽之内周壁間隔設有朝板面凹入之 凹部,於兩凹部之間形成朝向穿槽内部突出之凸部; 衝製成型凸環·於上片基板中間朝向其中一端面衝製 成型一凸環,該凸環之内徑係大於所述凹部、凸部之設置 乾圍’衝製成型之凹部、凸部係與凸環之周緣同平面設置 而沿著轴向延伸; ,丨將上片基板置於塑膠成型模具内射出成型:將衝製成 型之上片基板置於塑膠成型模具之模穴當中,進行塑膠射 2型作業,以在上片基板之凸環内周緣以及兩端形成一 式的塑膠襯件,該塑膠襯件之内周壁並且形成多 孔; /J X. Patent application scope: • A method for manufacturing a sheet metal impeller on a submersible pump, comprising: a blanking substrate; taking a metal sheet, and punching a plurality of annular upper substrate on the metal sheet a center of the upper substrate and at the same time forming a non-circular groove. The inner peripheral wall of the groove is provided with a concave portion recessed toward the plate surface, and a convex portion protruding toward the inside of the groove is formed between the two concave portions; The formed convex ring is punched into a convex ring in the middle of the upper substrate, and the inner diameter of the convex ring is larger than the concave portion and the convex portion of the concave portion. The peripheral portion of the part and the convex ring are disposed in the same plane and extend along the axial direction; and the upper substrate is placed in a plastic molding die to be injection molded: the punched upper substrate is placed in the cavity of the plastic molding die Performing a plastic shot type 2 operation to form a plastic lining on the inner circumference and both ends of the convex ring of the upper substrate, and the inner peripheral wall of the plastic lining is porous; 成品:完成射出成型塑膠襯件以後 成品。 即為葉輪之上片 十一、圖式: 如次頁 11Finished product: finished product after injection molding plastic lining. That is, the top of the impeller. XI. Schema: as the next page 11
TW94133775A 2005-09-28 2005-09-28 Manufacturing method for upper plate of metal impeller of submerged pump TWI290194B (en)

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