resistance spot welding process ppt

... Trang 1Interviewing & Describing a Process Trang 2Describing a Process What is a solera?  In which row of barrels in the solera is the oldest wine? ... added to the top barrels  The new wine gets its flavor from the older wines Trang 4Describing a Process: Connectors First, second, third… Trang 5 Wine is bottled from the bottom barrels which ... added to the top barrels  The new wine gets its flavor from the older wines Trang 6Describing a ProcessA solera consists of four or five rows of barrels stacked one on top of the other The oldest

Ngày tải lên: 23/12/2013, 11:15

... Trang 1_Welding Processes and Equipment Trang 3‘Shielded metal arc welding (SMAW) Gas tungsten arc welding (GTAW) Gas metal arc welding (GMAW) Flux cored arc welding (FCAW) Submerged arc welding ... AWS ~ definition, welding processes are therefore divided into the following major categories: Are welding (AW) Solid state welding (SSW) Resistance welding (RW) Oxyfuel gas welding (OFW) Soldering ... ‘autogenous’ welds The American Welding Society (AWS) groups welding processes on the basis of the mode of energy transfer and defines a welding process as “ a materials joining process which produces

Ngày tải lên: 12/03/2014, 17:54

... without post thermal annealing processes In this report, we have fabricated visible light-emitting Ce-doped ZnO NRs by hydrothermal method without a post thermal annealing process Experimental details ... emission from Ce-doped ZnO nanorods grown by hydrothermal method without a post thermal annealing process Yong-Il Jung1,2, Bum-Young Noh1,2, Young-Seok Lee1, Seong-Ho Baek2, Jae Hyun Kim*2, and ... ikpark@ynu.ac.kr Abstract Visible light-emitting Ce-doped ZnO nanorods [NRs] without a post thermal annealing process were grown by hydrothermal method on a Si (100) substrate at a low temperature of 90°C.

Ngày tải lên: 20/06/2014, 23:20

... viable approach for gathering expert opinions through a structured iterative process that builds consensus [30] This process involves multiple interactions with participants who usually complete ... programmes for the elderly – development of a quality self-assessment tool using a modified Delphi process Ana I Marques1; Leonel Santos2; Pedro Soares3; Rute Santos1,4; António Oliveira-Tavares1; ... suggests that such health promotion interventions may reduce the deleterious effects of the ageing process Complete programme evaluations are a necessary prerequisite to continuous quality improvements

Ngày tải lên: 14/08/2014, 08:20

... settings of welding process parameters namely wire feed rate, welding voltage, and welding speed to obtain the desired bead geometry in GMA welding using a CRS algorithm The search range of each welding ... model and an intelligent system for GMA welding process based on factorial experimental design Three process parameters namely arc current, welding voltage and welding speed, are considered as the ... areas of a bead and process parameters such as arc current, welding voltage and welding speed of SAW process using a SAON Tarng et al [9] investigated the relationship between process parameters

Ngày tải lên: 13/11/2014, 06:36

... metal arc welding process (GMAW)Butt weld preparations Trang 265.17A Weld using gas metal arc welding process (GMAW) Butt weld preparations R5 Trang 275.17A Weld using gas metal arc welding process ... the gas metal arc welding process. Trang 175.17A Weld using gas metal arc welding process (GMAW)Meaning of common symbols Trang 185.17A Weld using gas metal arc welding process (GMAW)Meaning of ... permission of the Australasian Welding Journal Trang 95.17A Weld using gas metal arc welding process (GMAW) Dangerous fumes  Dust and vapours are given off in welding processes, eg: lead, cadmium,

Ngày tải lên: 16/02/2017, 21:20

... problems especially in various arc welding process [12-13] Correia et al [12] utilized GA to decide the near-optimal setting of three process parameters in a GMA welding process Correia et al [13] also ... Hackel [89] 34 3.1 Input and output parameters of the GMA welding process 36 3.2 Configuration of butt welding specimen 38 3.3 Butt welding specimen 38 3.4 Measurement of top-bead width 39 ... Interaction effect of welding voltage and welding speed on top-bead width 55 3.14 Interaction effect of gas flow rate and welding speed on top-bead width 55 3.15 Interaction effect of welding speed

Ngày tải lên: 31/01/2021, 23:18

... settings of welding process parameters namely wire feed rate, welding voltage, and welding speed to obtain the desired bead geometry in GMA welding using a CRS algorithm The search range of each welding ... model and an intelligent system for GMA welding process based on factorial experimental design Three process parameters namely arc current, welding voltage and welding speed, are considered as the ... areas of a bead and process parameters such as arc current, welding voltage and welding speed of SAW process using a SAON Tarng et al [9] investigated the relationship between process parameters

Ngày tải lên: 17/06/2021, 16:22

... Trang 1COOPERATION PROCESSPresentation Template www.freepptbackgrounds.net Trang 2CONTENTTrang 3BASE Trang 4TITLE HEREWe use well-known ... time, money and reputation. NOTE HERE TITLE HERE Trang 25THANK YOU !Cooperation Process Powerpoint Template www.freepptbackgrounds.net

Ngày tải lên: 27/10/2022, 10:35

... arc welding processes,” Welding Journal, vol 74, no 12, pp 406S– 416S, 1995 [2] S Kou, Welding Metallurgy, John Wiley and Sons, 2nd edition, 2003 [3] Modern Arc Welding Technologies, Ador Welding ... generation at a point, 𝑄0 is net heat input in the process,𝑥, 𝑦, and 𝑧 are the coordinates measured from starting point of the welding process;V and 𝑡 are welding speed and time elapsed, respectively, ... upper face of the plate This assumption is valid only for submerged arc welding process and distinguishes it from other welding processes which use an inert gas for shielding the arc like TIG and

Ngày tải lên: 01/11/2022, 09:48

... (butt welding) Hàn siêu âm (ultrasonic welding) Hàn nổ Hàn nguội Hàn điện tiếp xúc (contact welding) Hàn ma sát (friction welding) Hàn khuyếch tán trong chân không Hàn cao tần Hàn rèn Hàn điểm (spot ... chân không Hàn cao tần Hàn rèn Hàn điểm (spot welding) Hàn đường (seam welding) Hàn dưới tác động của t 0 + lực I Hà điệnhồquangkimloạib ngtay(arc welding) General Mechanical Engineering 4.50 ... -Cácphươngphá h n + Hà đ iđ u(butt welding) Trang 5HCM City Univ of Technology, Mechanical Engineering Department Nguyen Tan Tien - Phan Hoang Long+ Hà điểm(spot welding) Máyh nb mxáchtay General

Ngày tải lên: 23/12/2013, 07:19

... Manual Metal Arc Welding RSEW Resistance Seam Welding RSW Resistance Spot Welding SAW Submerged Arc Welding SW Stud Arc Welding TB manual Torch Brazing TIG Tungsten Inert-gas Welding TS Manual ... (AJM) 176Trang 87 Joining processes 1897.1 Tungsten Inert-Gas Welding (TIG) 1907.2 Metal Inert-Gas Welding (MIG) 1937.3 Manual Metal Arc Welding (MMA) 1963.2.2 Basic processing cost (Pc) 2513.2.3 ... Electroslag Welding EXW Explosive Welding INS Iron Soldering IRB Infrared Brazing IRS Infrared Soldering IS Induction Soldering LBM Laser Beam Machining LBW Laser Beam Welding MIG Metal Inert-gas Welding

Ngày tải lên: 20/01/2014, 00:20

... Industries, Pacific Pump Division, in Hydrocarbon Processing, Sept 1979 By per- mission of Dresser Industries, Pacific Pump Division Trang 732 Major Process Equipment Maintenance and Repair As the ... a single stage, overhung process pump-one designed to produce a total head of 725 ft at 1,550 gpm when operating at 3,550 rpm Such a unit can be considered a typical process pump Figure 1-12 ... Procedures There are several basic rules that should be observed when inspecting and repairing process pumps Some of these are: 1 Have a good understanding what clearances and fits should be

Ngày tải lên: 20/01/2014, 00:20

... a process with little regard for theprocess documentation That behavior is not acceptable even if the process Trang 9documentation is weak, incorrect, or incomplete If that is the case, the processdocumentation ... of improvingthe maturity level of a single process from among the processes that define theknowledge area of interest This section will target the processes that define thefour knowledge areas ... In actual practice many con-of the process improvement initiatives took place concurrently 7.3.1 Scope Management Processes Scope management consists of five processes: initiation, scope planning,

Ngày tải lên: 26/01/2014, 14:20

... dangerous faults are discovered 8 Health and Safety in Welding and Allied Processes Trang 14Electric and Magnetic FieldsSince electric welding processes use very large currents, magneticfields in ... likely to beapplicable to welding activities The general run of welding work on mild steel plate, often with ablack surface, will be of very low contrast Although arc welding is an almost unique ... not generally be aware of a fire while arc welding, as it is not visible through the filter glass While welding in an areawhich is purpose-built for welding, there should be no risk, sincethe

Ngày tải lên: 06/03/2014, 07:20

... simultaneous purchase processes with the same seller In short, a BPEL4WS business process definition can be thought of as a template for creating business process instances The creation of a process instance ... Business processes can be described in two ways Executable business processes model actual behavior of a participant in a business interaction Business protocols, in contrast, use process descriptions ... internal behavior The process descriptions for business protocols are called abstract processes BPEL4WS is meant to be used to model the behavior of both executable and abstract processes BPEL4WS

Ngày tải lên: 06/03/2014, 20:21

... Collaboration Process Definition Partner Discovery Partner Sign-Up Electronic Plug-in Process Execution Process Management Process Evolution Activity ebXML Project Team ebXML Document Process Definition ... Business Process The business process enabled by the information exchange BusinessProcess ebXML Catalog of Common Business Processes UN Industry Classes RosettaNet BPAWG (UN/Cefact process group) ... ebXML Business Process Analysis Worksheets and Guidelines , ebXML Catalog of Business Processes, ebXML The role of context in the re-usability of Core Components and Business Processes, and

Ngày tải lên: 06/03/2014, 20:21

... whether the resistance was associated with the overexpression of well-documented resistance-related molecules MDR1, multidrug resistance-associated protein 1 (MRP1), and breast cancer resistance ... resistance was not associated with multidrug resistance transporter 1 (p170, p-gp), multi-drug resistance-associated protein 1 and breast cancer resistance protein overexpression, so we hypothesized ... HIF, hypoxia-inducible factor; MDR, multidrug resistance; MDR1, multidrug resistance transporter 1 (p170, p-gp); MMC, mitomycin; MRP1, multidrug resistance-associated protein 1; MT, metallothionein;

Ngày tải lên: 06/03/2014, 22:21

... “23⁄1 Process Managemen sh 25.2 Process Controlling & T8 26 _LifesCyele Approaches to Process and Workflow Management, sở 3. Technology Support for Process Organizations 3 History of Process ... execution phase, processes are implemented and the ‘organizational structure is realigned to fit these processes Information sys tems that support single process steps are implemented, and process partict ... overview of processes organizations, the design of organizations around their processes, and Jzameworks to describe and analyze these processes, We introduce a xo ‘omy of business processes

Ngày tải lên: 09/03/2014, 22:20

... Trang 4Resistance Spot Welding The simplest and most commonly used resistance-welding process The tips of two opposing solid, cylindrical electrodes touch a lap joint of two sheet metals Resistance ... 9Resistance Seam Welding (RSEW) FIGURE 31.10 (a) Seam-welding process in which rotating rolls act as electrodes (b) Overlapping spots in a seam weld (c) Roll spot welds and (d) Mash seam welding ... (b) Trang 7Resistance Spot Welding Widely used for fabricating sheet metal parts Modern equipment is computer controlled for optimum timing of current and pressure; spot welding guns are

Ngày tải lên: 12/03/2014, 17:40