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WO2004048039A1 - Systeme de grenaillage a ejection equipe d'une unite de refroidissement - Google Patents

Systeme de grenaillage a ejection equipe d'une unite de refroidissement Download PDF

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Publication number
WO2004048039A1
WO2004048039A1 PCT/KR2003/001010 KR0301010W WO2004048039A1 WO 2004048039 A1 WO2004048039 A1 WO 2004048039A1 KR 0301010 W KR0301010 W KR 0301010W WO 2004048039 A1 WO2004048039 A1 WO 2004048039A1
Authority
WO
WIPO (PCT)
Prior art keywords
shot peening
air
impeller
steel ball
objective
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.)
Ceased
Application number
PCT/KR2003/001010
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English (en)
Inventor
Sung-Hyouck Lim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU2003231384A priority Critical patent/AU2003231384A1/en
Publication of WO2004048039A1 publication Critical patent/WO2004048039A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/18—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions
    • B24C3/20—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions the work being supported by turntables
    • B24C3/24—Apparatus using impellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/10—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
    • B24C9/006—Treatment of used abrasive material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the present invention relates, in general, to shot peening systems in which a plurality of small steel balls are blasted against a surface of an objective material to improve physical properties of the objective material and, more particularly, to an impeller-type shot peening system having a cooling unit to prevent a temperature of a surface of an objective material from being increased during a shot peening process.
  • shot peening systems a plurality of small steel balls are blasted against a surface of an objective material to allow residual compressive stress to remain in the surface of the objective material, thus increasing the strength and elongation of the objective material, and reducing the fatigue crack of the objective.
  • the shot peening systems are classified into two types, which are impeller-type shot peening systems and air nozzle-type shot peening systems, according to the types of apparatuses to blast the plurality of small steel balls.
  • the carrying unit 1100 such as the robot arm
  • the carrying unit 1100 carries the jig 10.
  • the objective materials 20, held on the jig 10 are compressed downward by a motion of a compression unit 920 which is operated by a reciprocating drive unit 910 of a locking unit 900.
  • the rotating base 410 with the jig 10 holding the objective materials 20 thereon is rotated by an operation of a rotating drive unit 500.
  • any means, which is possible to vertically reciprocate the compression unit 920 may be used as the reciprocating drive unit 910, but, generally, an air cylinder is preferably used as the reciprocating drive unit 910.
  • the compression unit 920 is rotatably coupled to a drive shaft of the reciprocating drive unit 910.
  • a steel ball control valve 210 is opened, so that a plurality of small steel balls S, temporarily stored in a steel ball storage chamber 110, are continuously fed into a center portion of an impeller 312 of an impeller unit 310 through a steel ball input line L2.
  • the impeller 312 is rotatably coupled to a rotating shaft 311a of a drive motor 311.
  • the plurality of small steel balls S which have been fed into the center portion of the impeller 312, move outward along the wings of the impeller 312, and, thereafter, the plurality of small steel balls S are blasted from predetermined positions of the wings of the impeller 312 against the surface of the objective materials 20.
  • the blasted positions of the small steel balls S are varied according to a rotating speed of the impeller 312, input positions and input angles of the small steel balls S which are fed into the center portion of the impeller 312.
  • the reference numeral 1000 denotes an input line position changing unit which varies the input positions and the input angles of the small steel balls S.
  • the plurality of small steel balls S which have been blasted from the impeller 312 against the surfaces of the objective materials 20, fall downward in the cabinet 400, after being in collision with the surface of the objective materials 20. Thereafter, the plurality of small steel balls S are collected by a steel ball collecting unit 600.
  • any means which is possible to carry the small steel balls S collected from the cabinet 400 to a return line LI, may be used as the steel ball collecting unit 600, but, in the conventional impeller-type shot peening system, as shown in FIGS, la and lb, both a screw conveyer 610 and a bucket elevator 620 are used as the steel ball collecting unit 600.
  • the plurality of small steel balls S which are collected by the steel ball collecting unit 600, are carried to the return line LI by both the screw conveyer 610 and the bucket elevator 620.
  • the plurality of small steel balls S are thereafter fed to the steel ball storage chamber 110 along the return line LI after passing through a foreign material screening unit 700.
  • the plurality of small steel balls S repeatedly circulate along the above-mentioned cycle.
  • the foreign material screening unit 700 is to remove foreign materials from the plurality of small steel balls S.
  • a drum-type foreign material screening unit or a screen-type foreign material screening unit may be used as the foreign material screening unit 700.
  • the foreign materials, screened by the foreign material screening unit 700, are drained through a foreign material drain line L3 to the outside of the system.
  • the steel ball control valve 210 is closed to stop the feeding of the plurality of small steel balls S into the impeller 312. Furthermore, the operation of the rotating drive unit 500 is stopped, thus the rotating motion of the rotating base 410 is stopped. Thereafter, the reciprocating drive unit 910 of the locking unit 900 is oppositely operated, so that the compression unit 920 is returned to the initial position thereof.
  • the plurality of small steel balls S which were blasted against the surfaces of the objective materials 20 in the cabinet 400, are carried to the return line LI by the steel ball collecting unit 600, and, thereafter, the plurality of small steel balls S are temporarily stored in the steel ball storage chamber 110 after passing through the foreign material screening unit 700 along the return line LI.
  • the door 420 of the cabinet 400 is opened by the door control unit 430.
  • the jig 10, holding the objective materials 20 treated by the shot peening treatment is carried to the outside of the cabinet 400 by the carrying unit 1100.
  • the conventional impeller-type shot peening system sequentially and repeatedly executes the above-mentioned shot peening processes for next objective materials.
  • the operations of the variety of units of the conventional impeller- type shot peening system are controlled by a control unit (not shown).
  • the cabinet 400 further includes a dust collector 800 to collect dust from the interior of the cabinet 400.
  • the plurality of small steel balls are dispersedly blasted upward, downward, leftward and rightward against the surfaces of the objective materials 20, so that the conventional impeller-type shot peening system is possible to treat the plurality of objective materials 20, simultaneously.
  • the plurality of blasted small steel balls S are not in collision with the objective materials 20, thus reducing the operational efficiency of the shot peening system. Furthermore, the plurality of small steel balls S are unevenly blasted upward, downward, leftward and rightward from the impeller 312, so that the improved physical properties of the objective materials 20 treated by the shot peening treatment may be not uniform.
  • the conventional impeller-type shot peening system does not have any cooling means which reduces temperatures of the surfaces of the objective materials 20 increased due to the shot blasting with the small steel balls S during the shot peening process. Therefore, the conventional impeller-type shot peening system may not accomplish the desired improvement in the physical properties of the objective materials 20.
  • the compressive stress, generated in the surface of the objective material 20 is reduced, and residual tensile stress, corresponding to the residual compressive stress remaining in the surface of the objective material 20, remains in the interior of the objective material 20 contiguous to the surface of the objective material 20.
  • the residual compressive stress remaining in the surface of the objective material 20 is greatly reduced by an increase in the temperature of the surface of the objective material 20 due to the shot blasting with the small steel balls S.
  • FIG. 5 is a graph comparatively showing physical properties of a material without being processed by the shot peening treatment, the objective material processed by the shot peening treatment in the conventional impeller-type shot peening system, and an objective material processed by a shot peening treatment in a conventional air nozzle-type shot peening system.
  • elongations of the three materials are respectively increased in proportion to the residual compressive stresses of the materials.
  • the effective tensile stress of the objective material processed by the shot peening treatment in the conventional impeller-type shot peening system is lower than the objective material processed by the shot peening treatment in the conventional air nozzle-type shot peening system.
  • the conventional air nozzle-type shot peening system includes an air nozzle unit 320 which is used as a steel ball blasting means.
  • the operation of the conventional air nozzle-type shot peening system will be described herein below.
  • a jig 10, holding an objective material 20 is seated on a rotating base 410. Thereafter, the objective material 20 is compressed downward by a compression unit 920, before the rotating base 410 is rotated by a rotating drive unit 500.
  • a plurality of small steel balls S which have been temporarily stored in a steel ball storage chamber 110, are drawn into an air ejecting line L5 through a steel ball input line L2. Thereafter, the plurality of small steel balls S are rapidly moved along with compressed air through the air ejecting line L5 to an air nozzle Nl, prior to being blasted against the surface of an objective material 20 through the air nozzle Nl.
  • a pressure shutoff valve 250 is closed in response to an opening action of the steel ball input valve 210.
  • the plurality of small steel balls S which have been blasted from the air nozzle Nl, fall downward in a cabinet 400, after being in collision with the surface of the objective material 20. Thereafter, the plurality of small steel balls S are collected by a steel ball collecting unit 600.
  • the plurality of small steel balls S, which are collected by the steel ball collecting unit 600, are carried to the return line LI along the steel ball collecting unit 600, prior to being temporarily stored in the steel ball storage chamber 110.
  • the steel ball control valve 210 and the air control valve 323 are closed to stop the blasting of the plurality of small steel balls S from the air nozzle Nl.
  • the objective material 20 processed by the shot peening treatment (with the jig 10) is removed from the shot peening system, and a new one which is not yet treated by the shot peening system is installed on the rotating base 410.
  • the conventional air nozzle-type shot peening system sequentially and repeatedly executes the above-mentioned shot peening process to treat the now objective material.
  • the operations of the variety of units of the conventional air nozzle-type shot peening system are controlled by a control unit (not shown).
  • the conventional air nozzle-type shot peening system using the air nozzle unit 320 as the steel ball blasting means, the surface of the objective material 20 is cooled by the compressed air which is ejected from the air nozzle Nl, while the plurality of small steel balls S are blasted from the air nozzle Nl against the surface of the objective material 20.
  • the temperature of the surface of the objective material 20 is prevented from being increased. Therefore, the conventional air nozzle-type shot peening system is advantageous in that a reduction in residual compressive stress of the surface of the objective material 20 is prevented while the surface of the objective material 20 is cooled by the compressed air. As shown in FIG.
  • the reduction in the residual compressive stress remaining in the surface of the objective material 20 processed by the shot peening treatment in the conventional air nozzle-type shot peening system is lower than the reduction in the residual compressive stress remaining in the objective material which is processed by the shot peening treatment in the conventional impeller-type shot peening system.
  • the effective tensile stress of the objective material 20, processed by the shot peening treatment in the conventional air nozzle-type shot peening system is higher than the effective tensile stress of the objective material which is processed by the shot peening treatment in the conventional impeller-type shot peening system, as shown in FIG. 5.
  • the plurality small steel balls S are blasted along an almost straight line from the air nozzle Nl against the surface of the objective material 20.
  • the size of the air nozzle Nl must be limited to produce a desired pressure for blasting the plurality of small steel balls S against the surface of the objective material 20.
  • the number of the objective materials 20, which can be treated by the conventional air nozzle-type shot peening system in one process, is limited. Therefore, in case of treatment of a plurality of objective materials 20, the conventional air nozzle-type shot peening system is disadvantageous in that its operating time increases.
  • an object of the present invention is to provide an impeller-type shot peening system which has a cooling unit to prevent a temperature of a surface of an objective material from being increased during a shot peening process, and thus to simultaneously treat a plurality of objective materials in one process.
  • the present invention provides an impeller-type shot peening system, in which a plurality of small steel balls are blasted from an impeller rotating at a high speed against a surface of a rotating objective material to allow residual compressive stress to remain in the surface of the objective material.
  • the shot peening system includes a cooling unit to reduce a temperature of the surface of the objective material increased due to a shot blasting with the small steel balls.
  • the cooling unit includes an air compressor to produce compressed air, a pressure regulator to regulate a pressure of the compressed air fed from the air compressor, an air control valve to control a feeding of the compressed air from the pressure regulator, and an air nozzle to eject the compressed air fed from the air control valve to the surface of the objective material.
  • FIG. la is a view showing a construction of a conventional impeller-type shot peening system
  • FIG. lb is a partially enlarged plan view showing an arrangement of important parts of the shot peening system of FIG. la;
  • FIG.2 is a view showing a construction of a conventional air nozzle-type shot peening system;
  • FIGS. 3a and 3b are views showing changes of stress in the interior of an objective material while the objective material is treated by the conventional impeller-type shot peening system;
  • FIG. 4 is a graph comparatively showing stresses of the interiors of objective materials which are respectively treated by the conventional impeller- type shot peening system and the conventional air nozzle-type shot peening system;
  • FIG. 5 is a graph comparatively showing physical properties of a material without being processed by a shot peening treatment, the objective material processed by a shot peening treatment in the conventional impeller-type shot peening system, and the objective material processed by a shot peening treatment in the conventional air nozzle-type shot peening system;
  • FIG. 6a is a view showing a construction of an impeller-type shot peening system, according to a first embodiment of the present invention
  • FIG. 6b is a partially enlarged plan view showing an arrangement of important parts of the shot peening system of FIG. 6a;
  • FIG. 7a is a view showing a construction of an impeller-type shot peening system, according to a second embodiment of the present invention
  • FIG. 7b is a view showing a construction of an impeller-type shot peening system, according to a modification of the second embodiment of FIG. 7a;
  • FIG. 8a is a view showing a construction of an impeller-type shot peening system, according to a third embodiment of the present invention.
  • FIG. 8b is a partially enlarged plan view showing an arrangement of important parts of the shot peening system of FIG. 8a.
  • FIG. 6a is a view showing a construction of an impeller-type shot peening system, according to a first embodiment of the present invention.
  • FIG. 6b is a partially enlarged plan view showing an arrangement of important parts of the shot peening system of FIG. 6a.
  • the impeller-type shot peening system includes an air-cooled type cooling unit 1200 to reduce temperatures of surfaces of objective materials 20 increased due to a shot blasting with small steel balls S, thus preventing the temperatures of the surfaces of the objective materials 20 from being increased during a shot peening process.
  • the air-cooled type cooling unit 1200 includes an air compressor 1210 to produce compressed air, and a pressure regulator 1220 to regulate a pressure of the compressed air fed from the air compressor 1210.
  • the air-cooled type cooling unit 1200 further includes an air control valve 1230 to control a feeding of the compressed air from the pressure regulator 1220, and two air nozzles N2 to eject the compressed air fed from the air control valve 1230 to the surfaces of the objective materials 20.
  • a jig 10 holding the objective materials 20 thereon, is seated on a rotating base 410. Thereafter, the objective materials 20 are compressed downward by a compression unit 920, before the rotating base 410, seating the jig 10 and the objective materials 20 thereon, is rotated by an operation of a rotating drive unit 500.
  • a first steel ball control valve 210 is opened, the plurality of small steel balls S are fed into an impeller 312, rotating at a high speed, through a first steel ball input line L2.
  • the plurality of small steel balls S are blasted from the impeller 312 against the surfaces of the objective materials 20.
  • each of the two air nozzles N2 may have various shapes, but, preferably, each of the two air nozzles N2 comprise a nozzle which is enlarged in the diameter at an outlet end thereof to meet the sequential arrangement of the plurality of objective materials 20.
  • the first steel ball control valve 210 is closed to stop the feeding of the plurality of small steel balls S into the impeller 312, and the air control valve 1230 is closed to stop the ejection of the compressed air to the surfaces of the objective materials 20.
  • the operations of the variety of units of the impeller-type shot peening system according to the first embodiment of the present invention are controlled by a control unit (not shown).
  • the air-cooled type cooling unit 1200 prevents the temperature of the surface of each of the objective materials 20 from being increased during the shot peening process, thus preventing residual compressive stress remaining in the surface of each of the objective materials 20 from being reduced due to an increase in the temperature of the surface of each of the objective materials 20.
  • the two air nozzles N2 which eject the compressed air to the surfaces of the objective materials 20, are respectively arranged around both sides of the impeller 312, thus preventing the plurality of small steel balls S blasted from the impeller 312 from being undesirably dispersed leftward or rightward. Therefore, most small steel balls S, blasted from the impeller 312, are in collision with the surfaces of the objective materials 20, thus increasing operational efficiency of the impeller-type shot peening system of the present invention.
  • FIG. 7a is a view showing a construction of an impeller-type shot peening system, according to a second embodiment of the present invention.
  • FIG. 7b is a view showing a construction of an impeller-type shot peening system, according to a modification of the second embodiment of FIG. 7a.
  • the impeller-type shot peening system includes a second steel ball input line L7 communicating with predetermined portions of the air ejecting lines L6 which couple the air control valve 1230 to air nozzles N2 or Nl, a foreign material screening unit 700 which is coupled to the second steel ball input line L7, and a steel ball storage chamber 120 which is provided on a predetermined portion of the second steel ball input line L7 to temporarily store therein the plurality of small steel balls S which are collected from the foreign material screening unit 700.
  • the shot peening system further includes a second steel ball control valve 220 which is provided on a predetermined portion of the second steel ball input line L7 to control a feeding of the small steel balls S from the steel ball storage chamber 120 to the second steel ball input line L7, and a pressure shutoff valve 250 which is provided on a predetermined portion of the second steel ball input line L7 to prevent the compressed air from being drawn into the second steel ball input line L7.
  • a second steel ball control valve 220 which is provided on a predetermined portion of the second steel ball input line L7 to control a feeding of the small steel balls S from the steel ball storage chamber 120 to the second steel ball input line L7
  • a pressure shutoff valve 250 which is provided on a predetermined portion of the second steel ball input line L7 to prevent the compressed air from being drawn into the second steel ball input line L7.
  • an air- cooled type cooling unit 1200 may execute the role as the air nozzle unit 320 (see. FIG. 2) of the conventional air nozzle-type shot peening system.
  • the second steel ball input valve 220 associated with the air ejecting lines L6, has been closed, as shown in FIG. 7a.
  • the first steel ball input valve 210 associated with the impeller 312
  • the plurality of small steel balls S are blasted from the impeller 312 against the surfaces of the objective materials 20, and, simultaneously, the surfaces of the objective materials 20 are cooled by the compressed air ejected from the air nozzles N2.
  • the shot peening system is used in the same manner as that described for the conventional air nozzle-type shot peening system (see. FIG. 2). That is, the first steel ball input valve 210, associated with the impeller 312, is closed, and the second steel ball input valve 220, associated with the air ejecting lines L6, is opened. Therefore, the plurality of small steel balls S are blasted from the air nozzles Nl through the air ejecting lines L6.
  • the air nozzles N2 when used as the blasting means for blasting the plurality of small steel balls S, the blasted speed of the plurality of small steel balls S may be reduced, so that the air nozzles Nl may be preferably used as the blasting means for blasting the plurality of small steel balls S.
  • the steel ball input valve 220 when opened, the pressure shutoff valve 250 is closed to prevent the compressed air from being drawn into the second steel ball input line L7.
  • FIG. 8a is a view showing a construction of an impeller-type shot peening system, according to a third embodiment of the present invention.
  • FIG. 8b is a partially enlarged plan view showing an arrangement of important parts of the shot peening system of FIG. 8a.
  • a plurality of objective materials 20' are preheated in a preheating chamber 1300 which is provided with a heater 1400, before the objective materials 20 are treated by a shot peening process while being cooled by an air-cooled type cooling unit 1200. Therefore, residual compressive stress, remaining in the surfaces of the objective materials 20, is increased, thus greatly improving the physical properties of the objective materials 20.
  • the reference numeral 1310 denotes a door of the preheating chamber 1300
  • 1320 denotes a door control unit which controls the door 1310 of the preheating chamber 1300.
  • the present invention provides an impeller-type shot peening system which has a cooling unit to prevent a temperature of a surface of an objective material from being increased during a shot peening process, so that a reduction in residual compressive stress remaining in the surface of the objective material is prevented, thus increasing the physical properties of the objective material.
  • an air nozzle of the cooling unit which ejects compressed air to the surface of the objective material
  • the impeller-type shot peening system of the present invention may include a preheating chamber which is provided with a heater. Therefore, when the objective material is preheated in the preheating chamber to a predetermined temperature higher than the room temperature, prior to being treated by the shot peening process, the shot peening system of the present invention is advantageous in that the physical properties of the objective material are greatly improved.

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

Abstract

L'invention concerne un système de grenaillage à éjection équipé d'une unité de refroidissement permettant d'améliorer les propriétés physiques d'un matériau cible. Le système de grenaillage comprend un compresseur (1210) d'air générant de l'air comprimé, un régulateur (1220) de pression destiné à réguler la pression de l'air comprimé généré par le compresseur d'air, une soupape (1230) de régulation d'air servant à réguler l'alimentation d'air comprimé par le régulateur de pression, et des buses d'aération (N1, N2) éjectant l'air comprimé sur la surface d'un matériau cible (20). L'air pousse de petites billes d'acier (S) contre la surface pour nettoyer la surface. Dans un tel cas, la température de la surface du matériau cible augmente en raison du grenaillage à l'aide des billes d'acier, et afin de refroidir la surface, le système de grenaillage comprend une unité de refroidissement à refroidissement par air.
PCT/KR2003/001010 2002-11-26 2003-05-22 Systeme de grenaillage a ejection equipe d'une unite de refroidissement Ceased WO2004048039A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003231384A AU2003231384A1 (en) 2002-11-26 2003-05-22 Impeller-type shot peening system with cooling unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2002-0073827A KR100465509B1 (ko) 2002-11-26 2002-11-26 냉각장치를 갖춘 임펠러방식의 쇼트피닝설비
KR10-2002-0073827 2002-11-26

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KR (1) KR100465509B1 (fr)
AU (1) AU2003231384A1 (fr)
WO (1) WO2004048039A1 (fr)

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WO2010038892A1 (fr) * 2008-09-30 2010-04-08 Sintokogio, Ltd. Machine de traitement par grenaillage et gabarit pour le traitement par grenaillage
WO2014059506A3 (fr) * 2012-10-19 2014-06-12 Santos Carlos André Machine de projection de grenaille
EP3088131A4 (fr) * 2014-03-10 2017-09-06 Sintokogio, Ltd. Dispositif de traitement de grenaillage
WO2019034284A1 (fr) * 2017-08-17 2019-02-21 Linde Aktiengesellschaft Procédé et dispositif de consolidation par décapage à l'abrasif ou de consolidation par laminage
CN114633218A (zh) * 2022-03-04 2022-06-17 贵州捷盛钻具股份有限公司 一种钎杆的表面处理方法、表面处理装置及钎杆制造方法
CN115415926A (zh) * 2022-09-23 2022-12-02 中模智造科技江苏有限公司 一种离心泵叶轮复合式旋转抛光装置

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KR100479540B1 (ko) * 2004-02-26 2005-04-06 (주)흥아산기 쇼트피닝장치
CN109531396A (zh) * 2018-11-20 2019-03-29 岳西县宏胜铸造有限公司 一种差速器壳体表面抛光设备
KR102544341B1 (ko) * 2021-09-17 2023-06-15 동아대학교 산학협력단 항공기 부품용 숏피닝 장치
KR102586531B1 (ko) * 2023-04-06 2023-10-11 (주)동아진공열처리 금형 슬리브 표면처리방법

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KR20020007700A (ko) * 2000-07-18 2002-01-29 류정열 에어노즐 숏피이닝을 이용한 기어가공방법

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Publication number Priority date Publication date Assignee Title
WO2010038892A1 (fr) * 2008-09-30 2010-04-08 Sintokogio, Ltd. Machine de traitement par grenaillage et gabarit pour le traitement par grenaillage
JP2010082727A (ja) * 2008-09-30 2010-04-15 Sintokogio Ltd ショット処理装置およびショット処理用治具
WO2014059506A3 (fr) * 2012-10-19 2014-06-12 Santos Carlos André Machine de projection de grenaille
EP3088131A4 (fr) * 2014-03-10 2017-09-06 Sintokogio, Ltd. Dispositif de traitement de grenaillage
US10471568B2 (en) 2014-03-10 2019-11-12 Sintokogio, Ltd. Shot process device
WO2019034284A1 (fr) * 2017-08-17 2019-02-21 Linde Aktiengesellschaft Procédé et dispositif de consolidation par décapage à l'abrasif ou de consolidation par laminage
CN114633218A (zh) * 2022-03-04 2022-06-17 贵州捷盛钻具股份有限公司 一种钎杆的表面处理方法、表面处理装置及钎杆制造方法
CN114633218B (zh) * 2022-03-04 2023-09-19 贵州捷盛钻具股份有限公司 一种钎杆的表面处理方法、表面处理装置及钎杆制造方法
CN115415926A (zh) * 2022-09-23 2022-12-02 中模智造科技江苏有限公司 一种离心泵叶轮复合式旋转抛光装置
CN115415926B (zh) * 2022-09-23 2024-02-02 中模智造科技江苏有限公司 一种离心泵叶轮复合式旋转抛光装置

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