FR3097716B1 - Pion à souder creux pour assemblage de deux matériaux différents - Google Patents

Pion à souder creux pour assemblage de deux matériaux différents Download PDF

Info

Publication number
FR3097716B1
FR3097716B1 FR2006389A FR2006389A FR3097716B1 FR 3097716 B1 FR3097716 B1 FR 3097716B1 FR 2006389 A FR2006389 A FR 2006389A FR 2006389 A FR2006389 A FR 2006389A FR 3097716 B1 FR3097716 B1 FR 3097716B1
Authority
FR
France
Prior art keywords
sheet
joining
pin
different materials
iron
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.)
Active
Application number
FR2006389A
Other languages
English (en)
Other versions
FR3097716A1 (fr
Inventor
David Mercs
Maxime Sallerin
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.)
LISI Automotive SAS
Original Assignee
LISI Automotive SAS
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 LISI Automotive SAS filed Critical LISI Automotive SAS
Priority to MA056530A priority Critical patent/MA56530A/fr
Priority to EP20746242.5A priority patent/EP3986655A1/fr
Priority to PCT/FR2020/000188 priority patent/WO2020254735A1/fr
Priority to US17/620,988 priority patent/US20220355409A1/en
Priority to MX2021015891A priority patent/MX2021015891A/es
Priority to CA3143390A priority patent/CA3143390A1/fr
Publication of FR3097716A1 publication Critical patent/FR3097716A1/fr
Application granted granted Critical
Publication of FR3097716B1 publication Critical patent/FR3097716B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
    • B23K11/004—Welding of a small piece to a great or broad piece
    • B23K11/0066—Riveting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
    • B23K11/004—Welding of a small piece to a great or broad piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
    • B23K11/18—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded of non-ferrous metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
    • B23K11/18—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded of non-ferrous metals
    • B23K11/185—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded of non-ferrous metals of aluminium or aluminium alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/08—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of welds or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/006—Vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/18—Dissimilar materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/18—Dissimilar materials
    • B23K2103/20—Ferrous alloys and aluminium or alloys thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/30—Organic material
    • B23K2103/38—Fabrics, fibrous materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • B23K2103/52—Ceramics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/06—Screw or nut setting or loosening machines
    • B23P19/062—Pierce nut setting machines
    • B23P19/064—Deforming the support material only, e.g. the sheet or plate
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/562—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using extra joining elements, i.e. which are not integral with the parts to be joined
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • 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
    • 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
    • B29C66/71—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 composition of the plastics material of the parts to be joined
    • 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
    • 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
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • 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
    • 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
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B29C66/7428—Transition metals or their alloys
    • B29C66/74283—Iron or alloys of iron, e.g. steel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Plates (AREA)
  • Resistance Welding (AREA)

Abstract

Procédé d’assemblage d’une tôle (40) et d’une pièce métallique à base de fer (80) comprenant une étape de mise en place avec rétention par la tôle d’un pion creux, par poinçonnage traversant de la tôle (40) avec un fût dudit pion creux (10), une pastille (70) se détachant de la tôle (40), une collerette du pion venant en butée contre la surface de la tôle (40) une fois le poinçonnage traversant effectué, ou par surmoulage dudit fut dans la tôle (40), puis une étape de soudure d’un cylindre métallique du pion (10) sur la pièce métallique à base de fer (80) par mise en contact d’une extrémité libre (24) du cylindre métallique avec la surface de la pièce métallique à base de fer (80) et soudure par résistance électrique (90). FIGURE 6
FR2006389A 2019-06-20 2020-06-18 Pion à souder creux pour assemblage de deux matériaux différents Active FR3097716B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
MA056530A MA56530A (fr) 2019-06-20 2020-06-19 Pion à souder creux pour assemblage de deux matériaux différents
EP20746242.5A EP3986655A1 (fr) 2019-06-20 2020-06-19 Pion à souder creux pour assemblage de deux matériaux différents
PCT/FR2020/000188 WO2020254735A1 (fr) 2019-06-20 2020-06-19 Pion à souder creux pour assemblage de deux matériaux différents
US17/620,988 US20220355409A1 (en) 2019-06-20 2020-06-19 Hollow welding pin for assembling two different materials.
MX2021015891A MX2021015891A (es) 2019-06-20 2020-06-19 Perno hueco de soldadura para ensamblar dos materiales diferentes.
CA3143390A CA3143390A1 (fr) 2019-06-20 2020-06-19 Pion a souder creux pour assemblage de deux materiaux differents

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1906672 2019-06-20
FR1906672A FR3097456B1 (fr) 2019-06-20 2019-06-20 Pion à souder pour assemblage de deux matériaux différents

Publications (2)

Publication Number Publication Date
FR3097716A1 FR3097716A1 (fr) 2020-12-25
FR3097716B1 true FR3097716B1 (fr) 2022-11-04

Family

ID=68343029

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1906672A Active FR3097456B1 (fr) 2019-06-20 2019-06-20 Pion à souder pour assemblage de deux matériaux différents
FR2006389A Active FR3097716B1 (fr) 2019-06-20 2020-06-18 Pion à souder creux pour assemblage de deux matériaux différents

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1906672A Active FR3097456B1 (fr) 2019-06-20 2019-06-20 Pion à souder pour assemblage de deux matériaux différents

Country Status (7)

Country Link
US (1) US20220355409A1 (fr)
EP (1) EP3986655A1 (fr)
CA (1) CA3143390A1 (fr)
FR (2) FR3097456B1 (fr)
MA (1) MA56530A (fr)
MX (1) MX2021015891A (fr)
WO (1) WO2020254735A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117961494B (zh) * 2024-03-29 2024-06-18 潍柴动力股份有限公司 一种销钉压装方法、装置、设备及介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1361340A (en) * 1919-02-27 1920-12-07 Budd Edward G Mfg Co Tool for applying upholstery clench-rivets
US2867747A (en) * 1953-01-09 1959-01-06 Eitel Mccullough Inc Electron tube
JP2009285678A (ja) * 2008-05-28 2009-12-10 Kobe Steel Ltd 鋼材と軽合金材との異材接合方法および異材接合体、鋼材との異材接合用軽合金材、鋼材と軽合金材との異材接合用リベット。
DE102012017289A1 (de) * 2012-08-31 2014-05-15 Audi Ag Einprägeelement insbesondere für das Widerstandsschweißen
KR20160033879A (ko) * 2014-09-18 2016-03-29 주식회사 성우하이텍 셀프 피어싱 프로젝션 웰딩 리벳 및 이를 이용한 접합 구조체
FR3065895B1 (fr) * 2017-05-04 2019-07-12 Maxime Grojean Insert destine a l'assemblage d'une premiere piece et d'une deuxieme piece par soudage electrique par resistance, et procede d'assemblage utilisant cet insert

Also Published As

Publication number Publication date
CA3143390A1 (fr) 2020-12-24
FR3097456B1 (fr) 2021-05-28
FR3097456A1 (fr) 2020-12-25
MX2021015891A (es) 2022-05-24
EP3986655A1 (fr) 2022-04-27
MA56530A (fr) 2022-04-27
FR3097716A1 (fr) 2020-12-25
US20220355409A1 (en) 2022-11-10
WO2020254735A1 (fr) 2020-12-24

Similar Documents

Publication Publication Date Title
CN205600183U (zh) 焊接治具
FR3097716B1 (fr) Pion à souder creux pour assemblage de deux matériaux différents
US20180051805A1 (en) Joined Connection on a Two-Part Piston and Joining Method
CN102825395A (zh) 一种接管与阀座的钎焊结构
US20010030222A1 (en) Aluminum-based metal link for vehicles and a method for producing same
US20170129040A1 (en) Method for producing a chassis component
JP6104442B1 (ja) 薄肉銅板の溶接方法、薄肉銅板の溶接装置及び排水用ドレンの製造方法
CN109550809B (zh) 一种焊接件校正方法及装置
JP2018112128A (ja) 動翼可変軸流ファンの芯出治具及び芯出方法
CN206065740U (zh) 一种空压机的焊接夹具
CN217800002U (zh) 一种火焰筒焊接定位工装
CN106141513A (zh) 多工件组焊定位装置及组焊方法
CN113798874B (zh) 多工位定心工装及定心方法
CN106984958B (zh) 一种用于管接头与法兰装配的装置
CN105793581A (zh) 用于制造构件连接系统的方法及按照该方法制成的构件连接系统
CN105108266A (zh) 高温合金钎焊用复合定位装置
CN105252481A (zh) 一种密封组件装配工装及方法
CN219004853U (zh) 一种喷油环电火花打孔装夹工装
CN211248916U (zh) 一种链轮轴内孔角度定位工装
CN108672911B (zh) 一种凸焊螺母定位焊装工装
CN209125176U (zh) 一种钣金焊接用校正定位销
CN101116933A (zh) 用于钣金件焊接的定位方法
CN219767237U (zh) 一种混合器组件焊接定位工装
CN109175949B (zh) 镜头打压机的水平治具及其整平方法
US20150360135A1 (en) Helicopter retention plate hardware stand

Legal Events

Date Code Title Description
EXTE Extension to a french territory

Extension state: PF

PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20210820

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4