Design interview questions university of minnesota. Hrt provides service solutions with top quality for biw welding fixtures in automotive industry. Design of welding fixture for sample parts and user manual for motoman xrc welding robot abstract. Biw basic in catia pdfs for download grabcad questions. The subassemblies are loaded onto a large pallet on which the final chassis is produced. For a fixture designer, the major portion of design time is biw fixture design basics deciding how to locate the work piece in the fixture. The thesis objective is comprised of two major parts, the first one is to prepare a concise manual for the motoman xrc arc welding robot, and the second one is design process of a welding fixture for simple joints. The program comprises of 5 courses that train you on all the essential engineering concepts and tools that are essential to get into top oems. The 321 method is the fundamental principle for all types of fixture design. Because india is a developing country and automobile is a growing very fast.
Many of the interview questions asked in design related fields are very similar to those asked in any job interview. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. You know that any free body has a total of twelve degrees of freedom as below. What are the interview questions asked for biw fixture design. Modular fixture design for biw lines using process simulate tapping, testing, turning, welding, robotic spot welding, robotic painting. Design engineer biw welding fixture resume in pune, mh. Fixtures are custom workholding devices used in many manufacturing operations to secure, support, and locate a workpiece. Institute of industrial design iid is a premium arm of cadd centre training services pvt ltd, the pioneers in cad training since 1988. Fixtures are created through combining fixture bodies, supports, locators, and clamps. I will be teaching how to design biwfixtures using catia v5. Incepted in the year 2011, aryan technologies is a distinguished manufacturer offering an enormous consignment of checking fixture for sheet metal, carrying trolley, biw fixture, spot welding fixture, panel checker and many more. The most valuable customers like mercedes benz, volkswagon, audi, bmw, tkdn, edag, tata motors ltd.
The jig and fixture are tools used for holding the work piece in a correct location for mass production. Design input functional and performance requirements. Design of the weld fixture is unit based on clamping plan, therefore there are a number of fixture unit types used in the welding fixtures for the purpose of each unit and due to the complexity and shape of the component geometry, the choice of elements as well as configuration of each unit tends to change from case to case. Escad germany is an iso 90012000 certified organization. Connected, autonomous, shared and electric case are driving a fundamental rethinking of how people and things are transported. The automobile body is welded by multiple complex sheet metal parts and other auxiliary work pieces. The hole should be inclined at 45 degree angle with the surface. Without 321 principle its very difficult for the biw product engineer, biw process engineer or biw fixture design engineers to have same clamping and location scheme. Boring fixture may have characteristics of a drill jig or a mill fixture. So you can have very good salary in oems and jvs of automobile giants. Immensely acclaimed in the industry owing to their preciseness, these are presented by us in standard and modified forms to our clients.
Modular fixture design for biw lines using process simulate. What is scope for biw welding fixture design interms of. It involves numbers of fixture units and due to the complexity and shape of the component geometry, the choice of elements as well as configuration of each. This fixing duty is the main role of fixtures in the industry. At this stage the parts are held together with rivets whilst the adhesive is cured. Modular fixture design for biw lines using process simulate 1 1 introduction in most of manufacturing processes1, the product should be fixed securely and accurately in front of the machine in order to desire task can be accomplished. Biw fixture design the body part is constrained by a set of appropriately locating pin so total constraint by locating pin should be fully constrained at all times to prevent any movement. In biw fixture, the fixtures are designed to hold no. To restrict it transverse motion in x, y and z direction and. Patil3 1 research scholar me student, department of mechanical engineering, stess rmd sinhgad school of engineering, pune, maharashtra, india 2 professor, department of mechanical engineering. How to learn biw design you should know the basic process of weld shop, weld equipments for biw design and below detail for fixture concept design 3. Design and engineering v8 vantages unique architecture was designed from the outset as a frontmid mounted engine, rear mounted transmission, two seat sports car. Driving vehicle innovation toward the mobility of the future. I am uploading a series of lectures on design of work holding fixtures.
Design methodologies is one of the pre design process which is the steps followed during the concept designing phases in fixture design. Specific constraints for each shop will again be identified. I have very good experience in biw welding fixtures and tool design spm machine tecosim biw welding fixture tool design. International journal of engineering research and general. This disambiguation page lists articles associated with the title biw. Welding fixture designing for complete body shell side body, under body, enclosures etc. Component design to be studied carefully ensure work is performed in a proper sequence maximum operations should be performed on a machine in single setting 2. Here jig biw fixture design basics fixture design has important role to play. Fixture configuration design for sheet metal assembly with laser welding. The masters in automobile biw design is a 12 month long, intensive program. Development of a fixture for robotic assembly station for. Any assumptions and or exceptions that affect cost and timing must be clearly identified on the quotation.
Hence, a stepbystep procedure for jig and fixture design will be developed. Fixture design basics describes the components and purposes of fixtures and the fundamental concepts related to creating efficient fixtures. This enabled aston martin to adopt minimal compromises in its approach to the design and engineering while achieving the following key objectives. Various types of fixtures like drilling fixtures, milling fixtures, and welding fixtures are used in industry. Biw fixture design able design engineering services pvt. Automotive, biw body in white, 321 locating system. In this paper present a fixture design for automotive rear axle panel.
Aes propertyconfidential aes automotive group is well trained with good understanding of automotive biw welding fixture and robotic simulation concepts, and can work for different customer standards and requirements. Biw welding fixture unit biw welding fixtures are used for holding the sheet metal or part assembly together in space while the components are. The checking fixture or gauge design information is the property of abc group or their customer. Capacity of the machinecareful consideration to be performed on type and capacity of machine. This deflection of fixture is caused because of forces of cutting, clamping of the workpiece or clamping to the machine table. Any geometry is fixed or hold in position with the 321 principle. Design of flexible spot welding cell for bodyinwhite biw assembly. This pallet moves through two larger geometry fixtures where the under frame assembly is completed. Basic input required for biw welding fixture design now you have two choices, either you clamp the work piece with the vice or use a arrangement like below. Design and analysis of welding fixture for automotive. Final details are decided, final drawings are made, and the tooling is.
In this work, welding fixtures are designed considering all the. It varies from role to role based in the experience level. A fixture is the device which holds the work piece to be processed welded by using 321 principle. The manufacturing cycle time can be reduced by reducing nonproductive time like loading, biw fixture design basics, and the placing of work piece onto the machine.
Pdf in this paper, a flexible spot welding cell which is flexible both at fixture and. Car bodyinwhite biw is a complicated steelstructure including. Factors to be considered for design of jigs and fixtures 1. A case study article pdf available in international journal of advanced manufacturing technology 197. You must fix all the 12 degrees bascis freedom biw fixture design basics the three transitional degrees of freedom x, y and z in order to locate the work piece in the fixture. We provide complete biw fixture design solution for various original equipment manufacturers oems. Pdf design of flexible spot welding cell for bodyinwhite biw. Also, how to prepare bom, process chart, validation sheets etc using msoffice tools. Development of a fixture for robotic assembly station for an. Automotive, biw body in white, 321 locating system, fms flexible manufacturing system, a piston area, p pressure. In india biw welding fixture design have a good scope and opportunities in future. The design outsourcing business is already growing at a good pace, but the shortage of appropriately skilled labour across many industries is emerging as a significant and complex challenge to indias growth. First, an introduction is given about automotive industry and then about fixture design and fixture modeling using catia software.
Phase i 2 actual practical development at tinker will be drawn. Though, catia v5 is being used majorly in various automotive industries, there are many other designing software. Also they will be focusing on how to find customer needs, how proactiv. In automobile industry, automobile welding fixture is a component which is important to auxiliary welding. Implement the design the final phase of the fixturedesign process consists of turning the chosen design approach into reality. Design of welding fixture for sample parts and user manual. The investigation involves study of basics of fixture and welding, need of fixture, location principle. Using this, a formal generalization of the concepts and methodologies of fixture design for tinker will be developed. The 321 method is the fundamental principle for all types of.
Pdf body in white fixture design ijirae international. Typically the questions will be around design softwares, tools, operating systems, design detailing and biw fixtures. Unit 4 jigs and fixtures jigs and fixtures structure 4. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray.
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