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CN109664202A - Centrifugal pump spiral casing burnishing device - Google Patents

Centrifugal pump spiral casing burnishing device Download PDF

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Publication number
CN109664202A
CN109664202A CN201811622931.XA CN201811622931A CN109664202A CN 109664202 A CN109664202 A CN 109664202A CN 201811622931 A CN201811622931 A CN 201811622931A CN 109664202 A CN109664202 A CN 109664202A
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CN
China
Prior art keywords
abrasive grain
volute
pump
polished
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
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CN201811622931.XA
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Chinese (zh)
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CN109664202B (en
Inventor
周佩剑
李亚飞
颜朝寿
牟介刚
吴登昊
谷云庆
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Priority to CN201811622931.XA priority Critical patent/CN109664202B/en
Publication of CN109664202A publication Critical patent/CN109664202A/en
Application granted granted Critical
Publication of CN109664202B publication Critical patent/CN109664202B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00Abrasive blasting machines or devices; Plants
    • B24C3/02Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00Devices or accessories for generating abrasive blasts
    • B24C5/06Impeller wheels; Rotor blades therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

一种离心泵蜗壳抛光装置,包括工作台、磨粒池、抽磨粒单元、搅拌装置和抛光单元,所述磨粒池安装在工作台的下方,所述抽磨粒单元包括抽磨粒泵和电机,所述电机位于抽磨粒泵的后方且电机轴通过联轴器与抽磨粒泵的泵轴连接,抽磨粒泵的磨粒进口通过输入管道与磨粒池连接;所述抛光单元包括叶轮、固定轴、轴承套、轴承端盖和被抛光蜗壳,被抛光蜗壳安装在工作台上,被抛光蜗壳的磨粒进口通过输送管道与抽磨粒泵的磨粒出口连接,被抛光蜗壳的磨粒出口通过输出管道与磨粒池连接,被抛光蜗壳的蜗状部腔体处安装有叶轮。本发明提供了一种离心泵蜗壳抛光装置,该抛光装置不仅实现了对蜗壳内表面进行抛光,并且实现了节能减排的目的。

A centrifugal pump volute polishing device includes a workbench, an abrasive grain pool, an abrasive grain suction unit, a stirring device and a polishing unit, wherein the abrasive grain pool is installed below the workbench, and the abrasive grain suction unit includes abrasive grain suction A pump and a motor, the motor is located behind the abrasive grain pump, the motor shaft is connected to the pump shaft of the abrasive grain pump through a coupling, and the abrasive grain inlet of the abrasive grain pump is connected to the abrasive grain tank through an input pipeline; the The polishing unit includes the impeller, the fixed shaft, the bearing sleeve, the bearing end cover and the polished volute. The polished volute is installed on the worktable. The abrasive grain inlet of the polished volute passes through the conveying pipeline and the abrasive grain outlet of the abrasive grain pump. connection, the abrasive grain outlet of the polished volute is connected with the abrasive grain pool through an output pipe, and an impeller is installed in the cavity of the scroll part of the polished volute. The invention provides a centrifugal pump volute polishing device, which not only realizes polishing the inner surface of the volute, but also realizes the purpose of energy saving and emission reduction.

Description

Centrifugal pump spiral casing burnishing device
Technical field
The present invention relates to a kind of centrifugal pump spiral casing burnishing devices.
Background technique
Pumping chamber of the spiral case as centrifugal pump is the important flow passage components of centrifugal pump.Spiral case is usually monoblock cast, work Surface is more coarse, has larger impact to the efficiency of unit.For the credit rating for improving flow passage components surface, need in spiral case Surface is polished.Currently used method is to polish by hand spiral case, since spiral case inner wall is curved surface, dynamics and direction It is difficult to control, low efficiency higher to worker operation skill requirement, hand polish difficulty is very big, it is also difficult to reach such essence Degree requires.Therefore, centrifugal pump spiral casing inner wall is polished, urgent need develops a kind of suitable burnishing device, reduces casting snail The surface roughness of shell can reduce the transporting resistance of pumped (conveying) medium, help to improve the efficiency of pump, reach the mesh of energy-saving and emission-reduction 's.
Abrasive Flow Machining is a kind of newest machining process, it is that (admixture has one kind of abrasive grain can with abrasive material Flow viscoelastic mixture) it is that medium flows through the surface processed needed for workpiece under stress, abrasive flow machining can polish shape The part of shape complexity has very high superiority than conventional method.
Summary of the invention
Lower, the polishing biggish defect of difficulty that there are working efficiencies in order to overcome existing spiral case polishing technology, the present invention mention A kind of centrifugal pump spiral casing burnishing device is supplied, which, which not only realizes, polishes spiral case inner surface, and realizes The purposes of energy-saving and emission-reduction.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of centrifugal pump spiral casing burnishing device, including workbench, abrasive grain pond, take out grain unit, for stirring in abrasive grain pond The agitating device and polishing unit of abrasive grain, the abrasive grain pond are mounted on the lower section of workbench, and the pumping grain unit includes taking out mill Grain pump and motor, the motor is located at the rear for taking out abrasive grain pump and motor shaft is connect by shaft coupling with the pump shaft for taking out abrasive grain pump, The abrasive particle inlet for taking out abrasive grain pump is connect by input channel with abrasive grain pond;
The polishing unit includes impeller, fixing axle, bearing holder (housing, cover), bearing (ball) cover and is polished spiral case, is polished spiral case peace On the table, the abrasive particle inlet for being polished spiral case is connected dress by the abrasive grain outlet of conveyance conduit and pumping abrasive grain pump, is polished The abrasive grain outlet of spiral case is connect by output channel with abrasive grain pond, is polished at the snail shape portion cavity of spiral case and is equipped with impeller, Gu Dead axle or so lateral arrangement, impeller are mounted on one end of fixing axle, and the other end of fixing axle can be rotated by tapered roller bearing Be mounted on bearing holder (housing, cover), bearing (ball) cover, which is located at the outside of bearing holder (housing, cover) and is fixed on by bolt together with bearing holder (housing, cover), is polished spiral case On;The bottom for being polished the snail shape portion of spiral case is equipped with abrasive grain and removes mouth, and the abrasive grain is removed mouth and is connected to snail shape portion cavity, institute Abrasive grain is stated to remove at mouth equipped with blocking.
Further, the agitating device includes agitating shaft, agitator arm, bevel gear box and belt drive unit, described to stir It mixes impeller to be mounted on the lower end of agitating shaft and be located in abrasive grain pond, the upper end of the agitating shaft passes through shaft coupling and bevel gear box Axis connection is exported, the belt drive unit includes big belt pulley, small belt pulley and belt, and the small belt pulley is mounted on motor Motor shaft on, the big belt pulley is mounted on the input shaft of bevel gear box, and the small belt pulley passes through belt and big belt Wheel connection.
Further, the conveyance conduit is connect by a convex flange with the abrasive particle inlet for being polished spiral case, described Output channel is connected also by a convex flange with the abrasive grain outlet for being polished spiral case.
Further, the burnishing device further includes the support frame for being used to support conveyance conduit, and support frame as described above includes vertical Column and the support tube passed through for conveyance conduit, the lower end of the column is fixed on the table, and the upper end of the column is fixed There is support tube.
Beneficial effects of the present invention are mainly manifested in: the purpose of the present apparatus is to process water pump spiral casing surface roughness, subtract The surface roughness of small casting spiral case, can reduce the transporting resistance of pumped (conveying) medium, help to improve the efficiency of pump, reach energy conservation The purpose of emission reduction;For reducing energy consumption, reducing disposal of pollutants simultaneously, raising energy utilization rate plays a significant role drag reduction, Particularly important for the working efficiency for improving pump especially in field of fluid machinery, the design of the burnishing device has important Engineering value and theory significance;This device has the characteristics that easy to operate, structure is simple, high-efficient, and can reduce the energy It consumes, is pollution-free;The present invention can be such that abrasive grain smoothly supplies while polishing to centrifugal pump spiral casing inner surface by agitating device It answers, while realizing the purpose of energy-saving and emission-reduction.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the sectional view for polishing unit.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig.1~Fig. 3, a kind of centrifugal pump spiral casing burnishing device, including workbench 1, abrasive grain pond 12, take out grain unit, For stirring the agitating device 11 and polishing unit 3 of abrasive grain in abrasive grain pond 12, the abrasive grain pond 12 is mounted under workbench 1 Side, the pumping grain unit include taking out abrasive grain pump 8 and motor 13, and the motor 13 is located at the rear for taking out abrasive grain pump 8 and motor shaft 131 are connect by shaft coupling 14 with the pump shaft 81 for taking out abrasive grain pump 8, and the abrasive particle inlet for taking out abrasive grain pump 8 passes through input channel 9 and abrasive grain Pond 12 connects;
The polishing unit packet 3 includes impeller 33, fixing axle 37, bearing holder (housing, cover) 39, bearing (ball) cover 310 and is polished spiral case 32, It is polished spiral case 32 to be mounted on workbench 1, the abrasive particle inlet for being polished spiral case 32 passes through conveyance conduit 4 and abrasive grain pump 8 of smoking Abrasive grain outlet connection, the abrasive grain outlet for being polished spiral case 32 are connect by output channel 2 with abrasive grain pond 12, and spiral case 32 is polished Impeller 33,37 or so lateral arrangement of fixing axle are installed, impeller 33 is mounted on one end of fixing axle 37, fixed at snail shape portion cavity The other end of axis 37 is rotatably mounted on bearing holder (housing, cover) 39 by tapered roller bearing 38, and bearing (ball) cover 310 is located at bearing holder (housing, cover) 39 outside and being fixed on by bolt 36 together with bearing holder (housing, cover) is polished on spiral case 32;It is polished the bottom in the snail shape portion of spiral case 32 Portion is equipped with abrasive grain and removes mouth, and the abrasive grain is removed mouth and is connected to snail shape portion cavity, and the abrasive grain, which is removed, is equipped with blocking at mouth.
Further, the agitating device 11 includes agitating shaft 111, agitator arm, bevel gear box 7 and belt drive unit 6, The agitator arm is mounted on the lower end of agitating shaft 111 and is located in abrasive grain pond 12, and the upper end of the agitating shaft 111 passes through shaft coupling The output axis connection of device 10 and bevel gear box 7, the belt drive unit 6 includes big belt pulley, small belt pulley and belt, described Small belt pulley is mounted on the motor shaft 131 of motor, and the big belt pulley is mounted on the input shaft of bevel gear box 7, described small Belt pulley is connect by belt with big belt pulley.
Further, the conveyance conduit 4 is connect by a convex flange 35 with the abrasive particle inlet for being polished spiral case 32, The output channel 2 is connected also by a convex flange 31 with the abrasive grain outlet for being polished spiral case 32.
Further, the burnishing device further includes the support frame 5 for being used to support conveyance conduit, and support frame as described above 5 includes Column and the support tube passed through for conveyance conduit, the lower end of the column are fixed on workbench 1, and the upper end of the column is solid Surely there is support tube.
As shown in Figure 1, input channel is DN65 input channel, conveyance conduit DN50, output channel is DN80 efferent duct Road, the polishing unit 3, support frame 5, bevel gear box 7, take out abrasive grain pump 8, abrasive grain pond 12, motor 13 be all mounted on workbench 1 On, DN80 output channel connection polishing unit 3 and abrasive grain pond 12;DN50 conveyance conduit connection polishing unit 3 and pumping abrasive grain pump 8, 5 upper end of support frame as described above plays a supporting role to conveyance conduit 4, and the belt drive unit 6 is connected to motor 13 and bevel gear Between case 7, the DN65 input channel 9, which is connected to, takes out abrasive grain pump 8 and abrasive grain pond 12, and it is defeated that the shaft coupling 10 connects bevel gear box Shaft and agitating shaft 111, the shaft coupling 14 connect motor shaft 131 and take out abrasive grain pump shaft 81, drive and take out 8 operating of abrasive grain pump.
Connect with output channel 2 as shown in figure 3, being polished spiral case 32 by convex flange 31, by convex flange 35 and Conveyance conduit 4 connects, and impeller 33 is fixed on axis by inside installation impeller 33, the fixing axle 37 by nut 34, the shaft shoulder two Side passes through tapered roller bearing 38, and 39 sets of the bearing holder (housing, cover) plays a supportive role outside tapered roller bearing, the bearing (ball) cover 310 are fixed on and are polished on spiral case 32 by bolt 36 together with the bearing holder (housing, cover) 39, are sealed, and then together with fixing axle 37, bearing holder (housing, cover) 39 plays the fixed function to impeller 33.
The output end for taking out abrasive grain pump 8 is connected to by conveyance conduit 4 with spiral case 32 is polished, and the input terminal for taking out abrasive grain pump 8 is logical Input channel 9 is crossed to be connected to abrasive grain pond 12.
The bevel gear box input shaft is lateral shaft, and output shaft is vertical axis, not only realizes the purpose of deceleration, while real The steering of power is showed.
The agitating shaft 111 of the agitating device 11 protrudes into abrasive grain pond 12 and is stirred, to realize the regular supply of abrasive grain.
The working principle of the invention:
It installs, is driven by motor 13 and take out abrasive grain pump and 8 operated, extracted out abrasive grain by input channel 9, when filling Since impeller 33 remains in operation after the full entire pump housing, and then abrasive grain flows into polishing unit by conveyance conduit 4 with certain rate 3;Into polishing unit 3 due to the drainage of impeller 33, abrasive grain is flowed to different directions, is thrown to contacted wall surface Light;Unit 3 is polished when abrasive grain and chip will be flowed out full of entire impeller 33, passes through output channel 2 and flows into abrasive grain pond.It is polishing Simultaneously, motor 13 transfers power to bevel gear box 7 by pulley gear 6 to process, then by bevel gear box 7 and shaft coupling Device 10 slows down, and driving agitating shaft 111 operates, and is stirred to the abrasive grain in abrasive grain pond 12, to guarantee regular supply.
After spiral case completion of processing, just it is disassembled from conveyance conduit 4, output channel 2 and workbench 1, impeller 33, bearing holder (housing, cover) 39, bearing (ball) cover 310 also disassemble together.
Abrasive grain removes the design of mouth, is to pull out blocking because having remaining abrasive grain after work finishes in spiral case Flow out remaining abrasive grain.

Claims (4)

1.一种离心泵蜗壳抛光装置,其特征在于:包括工作台、磨粒池、抽磨粒单元、用于搅拌磨粒池中磨粒的搅拌装置和抛光单元,所述磨粒池安装在工作台的下方,所述抽磨粒单元包括抽磨粒泵和电机,所述电机位于抽磨粒泵的后方且电机轴通过联轴器与抽磨粒泵的泵轴连接,抽磨粒泵的磨粒进口通过输入管道与磨粒池连接;1. a centrifugal pump volute polishing device, is characterized in that: comprise workbench, abrasive grain pool, sucking abrasive grain unit, the stirring device and polishing unit for stirring abrasive grains in the abrasive grain pool, and described abrasive grain pool is installed Below the workbench, the abrasive particle pumping unit includes an abrasive particle pumping pump and a motor, the motor is located behind the abrasive particle pumping pump, and the motor shaft is connected with the pump shaft of the abrasive particle pumping pump through a coupling, and the abrasive particle pumping pump is connected to the pump shaft. The abrasive grain inlet of the pump is connected with the abrasive grain tank through the input pipeline; 所述抛光单元包括叶轮、固定轴、轴承套、轴承端盖和被抛光蜗壳,被抛光蜗壳安装在工作台上,被抛光蜗壳的磨粒进口通过输送管道与抽磨粒泵的磨粒出口连接,被抛光蜗壳的磨粒出口通过输出管道与磨粒池连接,被抛光蜗壳的蜗状部腔体处安装有叶轮,固定轴左右横向布置,叶轮安装在固定轴的一端,固定轴的另一端通过圆锥滚子轴承可转动的安装在轴承套上,轴承端盖位于轴承套的外侧并通过螺栓连同轴承套固定在被抛光蜗壳上;被抛光蜗壳的的蜗状部的底部设有磨粒清除口,所述磨粒清除口与蜗状部腔体连通,所述磨粒清除口处设有堵塞。The polishing unit includes an impeller, a fixed shaft, a bearing sleeve, a bearing end cover and a polished volute. The polished volute is installed on the workbench. The grain outlet is connected, the abrasive grain outlet of the polished volute is connected to the abrasive grain pool through the output pipe, an impeller is installed in the cavity of the volute of the polished volute, the fixed shaft is arranged horizontally from left to right, and the impeller is installed at one end of the fixed shaft. The other end of the fixed shaft is rotatably mounted on the bearing sleeve through a tapered roller bearing, and the bearing end cover is located outside the bearing sleeve and is fixed on the polished volute by bolts together with the bearing sleeve; the volute of the polished volute The bottom of the device is provided with an abrasive particle removal port, the abrasive particle removal port is communicated with the cavity of the snail part, and the abrasive particle removal port is provided with a blockage. 2.如权利要求1所述的离心泵蜗壳抛光装置,其特征在于:所述搅拌装置包括搅拌轴、搅拌叶轮、锥齿轮箱和皮带传动装置,所述搅拌叶轮安装在搅拌轴的下端且位于磨粒池中,所述搅拌轴的上端通过联轴器与锥齿轮箱的输出轴连接,所述皮带传动装置包括大皮带轮、小皮带轮和皮带,所述小皮带轮安装在电机的电机轴上,所述大皮带轮安装在锥齿轮箱的输入轴上,所述小皮带轮通过皮带与大皮带轮连接。2. The centrifugal pump volute polishing device according to claim 1, wherein the stirring device comprises a stirring shaft, a stirring impeller, a bevel gear box and a belt drive, and the stirring impeller is mounted on the lower end of the stirring shaft and Located in the abrasive particle pool, the upper end of the stirring shaft is connected with the output shaft of the bevel gear box through a coupling, and the belt transmission device includes a large pulley, a small pulley and a belt, and the small pulley is installed on the motor shaft of the motor , the large pulley is installed on the input shaft of the bevel gear box, and the small pulley is connected with the large pulley through a belt. 3.如权利要求1或2所述的离心泵蜗壳抛光装置,其特征在于:所述输送管道通过一个凸面法兰与被抛光蜗壳的磨粒进口连接,所述输出管道也通过一个凸面法兰与被抛光蜗壳的磨粒出口连接。3. The centrifugal pump volute polishing device according to claim 1 or 2, characterized in that: the conveying pipe is connected with the abrasive particle inlet of the polished volute through a convex flange, and the output pipe also passes through a convex surface The flange is connected to the abrasive outlet of the polished volute. 4.如权利要求1或2所述的离心泵蜗壳抛光装置,其特征在于:所述抛光装置还包括用于支撑输送管道的支撑架,所述支撑架包括立柱和用于输送管道穿过的支撑管,所述立柱的下端固定在工作台上,所述立柱的上端固定有支撑管。4. The centrifugal pump volute polishing device according to claim 1 or 2, wherein the polishing device further comprises a support frame for supporting the conveying pipeline, the support frame comprising a column and a support frame for the conveying pipeline to pass through The lower end of the column is fixed on the workbench, and the upper end of the column is fixed with a support tube.
CN201811622931.XA 2018-12-28 2018-12-28 Centrifugal pump volute polishing device Active CN109664202B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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JPH0752022A (en) * 1993-08-19 1995-02-28 Toyota Motor Corp Processing method using abrasive fluid and processing apparatus thereof
JPH11197946A (en) * 1998-01-13 1999-07-27 Isuzu Motors Ltd Abrasive grain flow electrolytic polishing method and its working device
US20070049178A1 (en) * 2005-08-30 2007-03-01 Denso Corporation Method and apparatus for fluid polishing
JP2010089180A (en) * 2008-10-06 2010-04-22 Toyoko Kagaku Co Ltd Slurry feeder for polishing substrate chemical machine, and polishing system
CN101972994A (en) * 2010-10-28 2011-02-16 浙江工业大学 Soft abrasive grain flow generation and circulation system
CN102615597A (en) * 2012-04-10 2012-08-01 大连理工大学 Polishing method for rotating abrasive stream of entire impeller part
CN103481205A (en) * 2013-10-18 2014-01-01 湖南有色重型机器有限责任公司 Abrasive feeding device in abrasive water jet scale removal system and scale removal method thereof
CN104741976A (en) * 2015-02-13 2015-07-01 浙江工业大学 Soft abrasive particle flow turbulent flow precision processing device for joint prosthesis
WO2016209179A1 (en) * 2015-04-27 2016-12-29 Eroğlu Aysen Eren Method of barrel centrifugal surface polishing and barrel centrifugal surface polishing apparatus
CN108581849A (en) * 2018-05-03 2018-09-28 长春理工大学 A kind of abrasive Flow Circulated polishing device
CN209579249U (en) * 2018-12-28 2019-11-05 浙江工业大学 Centrifugal pump volute polishing device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4936057A (en) * 1985-06-21 1990-06-26 Extrude Hone Corporation Method of finish machining the surface of irregularly shaped fluid passages
JPH0752022A (en) * 1993-08-19 1995-02-28 Toyota Motor Corp Processing method using abrasive fluid and processing apparatus thereof
JPH11197946A (en) * 1998-01-13 1999-07-27 Isuzu Motors Ltd Abrasive grain flow electrolytic polishing method and its working device
US20070049178A1 (en) * 2005-08-30 2007-03-01 Denso Corporation Method and apparatus for fluid polishing
JP2010089180A (en) * 2008-10-06 2010-04-22 Toyoko Kagaku Co Ltd Slurry feeder for polishing substrate chemical machine, and polishing system
CN101972994A (en) * 2010-10-28 2011-02-16 浙江工业大学 Soft abrasive grain flow generation and circulation system
CN102615597A (en) * 2012-04-10 2012-08-01 大连理工大学 Polishing method for rotating abrasive stream of entire impeller part
CN103481205A (en) * 2013-10-18 2014-01-01 湖南有色重型机器有限责任公司 Abrasive feeding device in abrasive water jet scale removal system and scale removal method thereof
CN104741976A (en) * 2015-02-13 2015-07-01 浙江工业大学 Soft abrasive particle flow turbulent flow precision processing device for joint prosthesis
WO2016209179A1 (en) * 2015-04-27 2016-12-29 Eroğlu Aysen Eren Method of barrel centrifugal surface polishing and barrel centrifugal surface polishing apparatus
CN108581849A (en) * 2018-05-03 2018-09-28 长春理工大学 A kind of abrasive Flow Circulated polishing device
CN209579249U (en) * 2018-12-28 2019-11-05 浙江工业大学 Centrifugal pump volute polishing device

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