Be sure youre standing on a dry floor and that your hands are dry when you operate the welding unit. Hand craft training, carpentry skills and metal fabrication welding business skill training and basic financial management. The purpose of the welding handbook for maritime welders is to provide guidance in modern welding and related processes and to provide the welder with a source of practical information on the right solution to specific onboard welding problems. Topic title organizationgrantee year grant number language. The heat from the torch allows for the melting and mixing of the base metal and filler metal to form a solid weld. In electricarc welding, the term electrode refers to the component that conducts the current from the electrode holder to the metal being welded. Smaw welding techniques weld bead a weld resulting from a pass passes weld pass a single progression of welding along a joint.
The welding fumes my compose particles that contains chromium, copper, manganese, iron, etc. It describes the steps that must be taken to avoid jobrelated deaths and injuries while establishing and maintaining a safe work environment. The arc heats and melts both the work pieces edges and the electrode wire. The result of a pass is a weld bead or layer techniques stringer drag whip weave circles crescent zig zag box weave double j progression vertical up deeper penetration higher deposit rate lbhr use near 90 degree travel angle or slightly up. Join inexpensive parts to form complex product sales. It is an innovative process of welding and it is also called as a solid state welding process. The molten electrode material is supplied to the surfaces of the. Observe for level of consciousness, gag reflex, and presence of nausea or vomiting. Grantee materials by topic occupational safety and. We take pride in employing features most companies skip because its too much work. Powerpoint presentation tig welding introduction author. Be sure the insulating shields on the electrode holder are in place and in good condition. Aws american welding society e60 1 all positions 2 flathorizontal.
The most popular processes are shielded metal arc welding smaw, gas metal. Welding is the most economical and efficient way of joining things together permanently. Dmitri kopeliovich submerged arc welding is a welding process, which utilizes a bare consumable metallic electrode producing an arc between itself and the work piece within a granular shielding flux applied around the weld. Welding equipment which is properly installed and maintained is quite safe. This document may help the people who are looking for effective welding, make full use of this presentation. This study reports the changes in droplettransfer mode and rate during gas metal arc welding as the voltage is varied at a series of current levels. Lecture notes welding and joining processes materials. Presented byphani sridhar application of welding in various industries application of welding in various industries definition of welding welding process is a materials joining process which produces coalescence of materials by heating them to suitable temperatures with or without the application of pressure or by the application of pressure alone. Also explore the seminar topics paper on plastic welding with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year mechanical engineering me or production automobile students for the year. Plastic welding seminar report, ppt, pdf for mechanical. This is the welding industrys comprehensive reference on safety.
Initial patent applications of it were in the united kingdom in the year of 1991. Seminar on underwater welding report and ppt download. This is aws american welding society a visit with the worlds premier organization dedicated to welding and allied joining processes aws. An electric current, in the form of either alternating current or direct current from a welding power supply, is used to form an electric arc between the electrode and the metals to be joined. Vander willingena in recent years the number of offshore structures including oil drilling rigs, pipelines, platforms are being installed significantly. It allows for things to be conjoined that may have not been thought to be possible. Unahoh shall also endeavor to send the children below 12 years to. This document presents guidelines for developing, writing, and constructing research and. If the gases are contained in a small area the workers oxygen levels will be depleted. Welding techniques and defects american welding society. It is vital to our economy and therefore vital information for all.
In 1946, special waterproof electrodes were developed in holland by e. Welding drawings comparison of a cast shaft support with a welded steel shaft support 184 groove weld symbol dimensions of groove weld are shown on the same side of the reference line as the welding symbol when both sides of a doublegroove weld have the same or different dimension, both sides are dimensioned, however the root opening. Presented byphani sridhar application of welding in various industries application of welding in various industries definition of welding welding process is a materials joining process which produces coalescence of materials by heating them to suitable temperatures with or without the application of pressure or by the application of pressure alone and with. Ppt welding safety powerpoint presentation free to. A joining process that produces a coalescence of metals or non metals by. Gases the shielding gases used in welding, while inert, can cause asphyxiation in enclosed spaces. Sample welding procedure specifications are available on our website. A free powerpoint ppt presentation displayed as a flash slide show on id. Experience gained from user contact and welding training of crewmembers showed that.
Arc welding by ryan saucier history of arc welding arc welding dates back to the late 1800 s first developed following the invention of ac electricity pioneered. Use calibrated medicine cups for liquids but doses smaller than 5 ml should be measured in a syringe to ensure accuracy. Welding a joining process that produces a coalescence of metals or nonmetals by heating them to the welding temperature, with or without the application of pressure, or by pressure alone, and with or without the use of filler metals. Good powerpoint template for presentations on metalworking, metallurgy, machining. Sanok, aiaa 20003406, explosive joining for the mars sample return mission, 36 th aiaaasmesaeasee joint propulsion conference and exhibit, july 1719, 2000. Hobart institute of welding technology 400 trade square east.
Arc welding presentation template includes builtin layouts and stunning backgrounds to make your presentation a winner. Hot start soft start start of welding on high wire feed speed 23,0 mmin needs special characteristics soft start function allows to start welding with lower welding power to minimize unstable arc and wire feeding in start hot start function allows to pre heat thick base material effectively in arc ignition power can also be set higher. China arc welding machine manufacturers select 2020 high quality arc welding machine products in best price from certified chinese welding machine manufacturers, welding equipment suppliers, wholesalers and factory on. Explore plastic welding with free download of seminar report and ppt in pdf and doc format.
Dear all, pl help me to forward the welding safety ppt or photographs of welding accident due to non use of ppe. Find materials for this course in the pages linked along the left. New concepts in welding of cr pipelines nuno pepe, technip 15. A vocational training presentation on welding from simplex casting ltd. A reliable method to save a ppt presentation as a pdf document, with all its notes attached. Welding, soldering, brazing max akhterov zettl group safety talk 110706 welding welding is a materials joining process which produces coalescence of materials by heating them to suitable temperatures with or without the application of pressure or by the application of pressure alone, and with or without the use of filler material.
Welding safety module 2910109 annotated instructors guide. Arc welding it is a manual arc welding process that uses a consumable electrode coated in flux to lay the weld. This document should be read and understood by all persons involved with welding and cutting. Connects to 1 phase 230v 5060hz readably available power point.
Most weld shops that deal with code welds will have established tig weld procedures and the welders will have qualified to the specific code tig welder qualification requirements. Chapter 3 introduction to welding in the navy as well as private industry, welding is widely used by metalworkers in the fabrication, maintenance, and repair of parts and structures. Effects of welding on health a literature survey and evaluation to establish the stateoftheart and to point the directions for future research to understand and improve the occupational health of welding personnel research performed at the franklin research center under contract with the american welding society and supported by industry. Welding safety annotated instructors guide module overview this module, an extension of the core curriculum safety module, identifies general safety considerations that apply to welding and metal cutting. Welding welding is a materials joining process which produces coalescence of materials by heating them to suitable temperatures with or without the application of pressure or by the application of pressure alone, and with or without the use of filler material. Explosive welding is a solid state metal joining process used to create a metallurgical bond between two similar or dissimilar metals 1. Decide if another needs to be removed from blister pack or bottle and document on count sheet if so i. Oxyacetylene welding by matt scott introduction oaw is a welding process that heats the base metal with a controlled mixture of acetylene and oxygen gas. Aircraft frames railway wagons machine frames structural works, tanks.
A weld joint is produced by means of a high velocity impact of one metallic mass onto another, aided by a controlled detonation with an explosive charge. Narcotic administration and documentation narcotics can be administered by a number of different routes. Friction stir welding ppt, pdf report for mechanical. When respiratory protection is worn for welding fumes, it is necessary to use a particulate filter. Free welding safety powerpoint the electric arc welder is one piece of equipment found in most manufacturing facilities or indeed workshops of any business. Seminar on underwater welding report and ppt download introduction to underwear welding underwater welding is an important tool for underwater fabrication works.
Plastic welding, ask latest information, plastic welding abstract,plastic welding report,plastic welding presentation pdf,doc,ppt,plastic welding technology. This document is a must for every welding school, fabricator and home hobbyist. Welding and inspection presentation on welding fundamentals,application, symbol,inspection an overview by v umashankar info. The attention we pay to the finest detail make this presentation template truly worldclass.
Droplet rate a study of droplet rates for various transfer modes verifies optimum operating parameters by s. Additional sources for arc welding safety are given in the references. Asme code shops who have established tig procedures will find. Processes of arc welding introduction welding is a powerful technological advance.
Beginning at the beginning welding gives outstanding performance in readying wwi war and transport ships for u. Abbreviation of friction stir welding is fsw and it was invented by wayne thomas at the welding institute. Introduction trainers background info 15years in welding inspection by visual and ndt heavy equipment fabrication construction. There shall be training in tailoring and designing. This type of filler metal is often used for gas welding. Gtaw or tig gas tungsten arc welding or tungsten inert gas or heliarc welding is a process in which the joining of metals is produced by heating therewith an arc between a tungsten non consumable electrode and the work. This includes welders, supervisors, management, contractors, educators, and others. Arc welding presentation template for powerpoint and. The welding is a process of joining two or more, similar or dissimilar metals by heating them to a suitable temperature, with or without the application of pressure, filler materials and flux. Exposure to welding fumes over many years my cause a metallic taste in the mouth, irritation of the eyes, nose and throat and a tight feeling of the chest.
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