The exothermic welding system uses the high temperature of reaction of powdered copper oxide and aluminium. An exothermic welding process has been validated for use on cvn 78. The blackburn exothermic welding process exothermic welding equipment is used by some of the worlds most demanding customers. The furseweld exothermic welding process is a simple, selfcontained method. These are acquired separately from the standard tool kit. Exothermic welding powder manufacturer in china exothermic. The process employs an exothermic reaction of a copper thermite composition to heat the copper, and requires no external source of heat or current.
Forweld lightning protection and grounding systems. Powder g mould type clamp type 10 10 45 dssbcc6c1010 dssbhcc00 16 16 45 dssbcc6c1616 dssbhcc00 25 25 45 dssbcc6c2525 dssbhcc00 35 35 65 dssbcc6c3535 dssbhcc00. Large quantities of water will aid in controlling a fire should the exothermic materials become involved. Once the conductors were inserted in the graphite mould, the welding compound and the reactive powder usually a. Most brazing alloys melt at approximately 450 degrees c and therefore have a lower current carrying capacity. Jul 05, 2018 exothermic welding pengelasan las exothermic kabel to rod. Uk reseller and stockists of complete erico cadweld exothermic welding systems. To help find the product you need, there is an alphabetical index, part number index and product locator. Kumwell exothermic weldingalso known as exothermic bondingthermite welding tw,and thermit welding,is a welding process for joining materials mostly copper that employs molten metal to permanently join the conductors. Exothermic welding equipment is used by some of the worlds most demanding customers.
Exothermic welding process is a very efficient method of making high quality electrical connections. Adhering to the cadweld welding procedures will minimize risk of burns and fire caused by hot molten material spillage. The exothermic welding process uses high temperature reaction of powdered copper oxide and. Make over 30 separate connection types with a single, universal mold, which now enables you to make connections to a ground rod. The company produces and supplies the exothermic welding products to many customers in our country. Installers and inspectors guide for making exothermic connections. The portable exothermic cutting unit pecu contains all the equipment necessary to perform exothermic cutting operations to provide access to blocked or damaged compartments and for personnel rescue.
Cadweld exothermic welding manual techno protection. The process employs an exothermic reaction of a copper thermite composition to heat the copper, and requires no. Material safety data sheet cadweld aluminum welding material. Only the people who dare to fail, will achieve big success.
Providing superior, molecularly bonded connections compared to traditional connections. This molecular binding improves mechanical, electrical and anticorrosion properties compared with any mechanical connection. Welding collar estimate system resistance values for basic grounding system designs and calculate the number of bags of ground enhancement material required with our gem calculator. Heavy duty connections use a larger size connection cavity in the mold and a larger size welding material than the equivalent standard duty connection.
The cadweld system supplied under this specification shall include weld metal, molds, tools and accessories as required. The exothermic welding process is carried out by using exoweld graphite moulds, exoweld welding powders, exoweld handle clamps and various safety tools. Exothermic welding technology kumwell is a eading brand of grounding and lightning protection in thailand. In addition, kumwell emphasizes on product safety with our exothermic welding process. What is exothermic wedling an exothermic connection is actually a molecular bond formed between 2 metals such as copper and steel. Wire size awg or kcmil welding powder size handle clamp type std. Creating an uninterrupted and solid transmission line in conductors is a very serious concern in electrical connections. Safety non toxic and heavy metal non selfignite ignition temperature at least 400 c smooth reaction mould earnest design. Cadweld multi simplifies the exothermic welding process. The 6 ignition cord allows the user to maintain a safe distance from the connection. The blackburn exothermic welding process is a simple, selfcontained method of forming.
Alcomet not only offer the exothermic moulds and accessories but we also offer furseweld training. In june, the navy conducted a deadload test using the new emals on cvn 78. Some connection types require a larger mould and special tools. They are recognized for their durability and longevity.
Exothermic welded connections exothermic welded connections are immune to thermal conditions which can cause mechanical and compression joints to become loose or corrode. Kumwell exothermic welding connections are tested and complied with internat onal standards such as. This standard is directed at personnel who plan to install exothermic. Exothermic welding thermoweld graphite mould onetime ground rod. Additional personnel protective equipment is provided under separate nsns. Kumwe s outstanding products are exothermic we ding powders, moulds and accessories. Exothermic welding pengelasan las exothermic kabel to rod. Jmv is a prominent brand for earthing and bonding system, lightning protection and surge protection system a to name the leading few. Apliweld exothermic welding is a process that achieves the molecular binding among two or more metallic conductors by a chemical reaction. Exothermic welding is a simple self contained method of making high quality electrical connections for welding copper to copper, copper alloy such as brass, bronze or copper to steel. Contact between hot molten metal and moisture or contaminants may result in spewing of. The chemical reaction that produces the heat is an aluminothermic reaction.
General this specification covers the cadweld exothermic welding system for use in making electrical connections. Exothermic welding, also known as exothermic bonding and is a welding process for joining two electrical conductors, that employs superheated copper alloy to permanently join the conductors. Exothermic welding process validated for use on cvn 78 for. The process employs an exothermic reaction of a copper thermite composition to heat the. The result is an exothermic reaction that produces molten copper and aluminum oxide slag. Welding material is an exothermic mixture and reacts to produce hot molten material with temperatures in excess of 1400c 2500f and a localized release of smoke. Exothermic welding, also known as exothermic bonding, thermite welding tw, and thermit welding, is a welding process that employs molten metal to permanently join the conductors. For the starting and weld metal powder, we ensure that the material contains nontoxic, heavy metal, and nonselfignite. The cunnect exothermic welding system using this catalogue this catalogue is designed to be as easy to use as possible. Exothermic welding exothermic welding powders connections.
One of the seven rods is a special alloy that will burn independently after an arc is struck and oxygen is flowing through the tube. Find the best prices on exothermic cutting at industrial depot. The drone fires instantly and uses an 18 volt milwaukee lithium ion battery. An exothermic weld can be especially useful for joining dissimilar metals. Also when heated the weld metal powder for bonding connections, it gives steady burn without pop and fire out, consistency of color. Ignition temperatures are in excess of 900c 1650f for welding material. Erico is dedicated to continuous product improvement to meet its customers needs and maintain the highest level of satisfaction. Use of improper or damaged equipment can lead to exposure to molten metal and reaction byproducts, resulting in p ersonal injury. The ultimate welded connection that will never loosen, corrode or increase in resistance. Furseweld exothermic welding powder main sds us 9361 revision.
Cadweld connections are made with a semipermanent graphite mold, which holds the conductors to be welded. The reaction takes place in a semipermanent graphite mold. Exothermic welding is used to create electrical molecular bonds various metals such as copper to copper,copper to steel,steel to steel,aluminium to copper,aluminium to aluminium. Jmv focus on continued product innovation and supplies competitive solution to the customers. Exothermic welding connection systems for earthing, lightning, cathodic protection and railway signaling applications graphite moulds, weld. No external source of power is required when using this material. The complete welding system for improving grounding system performance, reliability, and installation convenience. The exothermic reaction produces molten copper, which produces a permanent, high conductivity connection.
The exothermic process uses high temperature reaction of powdered copper oxide and aluminium. Unlike compression and bolt clamp, exothermic welded joint becomes a homogeneous metal. The exothermic welding connection process is a simple efficient method of welding copper to copper or copper to steel. Lectroweld standard tool kit is used with most moulds in the standard range that cover a wide range of conductor sizes. Manufactures lightning protection, grounding systems, exothermic welding, electrical connections and grounding. All product instructions should be followed to help ensure proper welding and safety.
Exothermic welding is the only reliable means of bonding galvanised mild steel to copper conductors, e. The widely accepted exothermic welding of buried copper cable grounding systems is. This patented technology utilizes a copper container which becomes part of the connection. If you have any questions about this guide or any methods or tips described herein, please dont hesitate to contact either your harger. The importance of exothermic welding systems creating an uninterrupted and solid transmission line in conductors is a very serious concern in electrical connections. Once placed in the cadweld mold, the welding material is electronically ignited using a simple.
The melting or fusing temperature rating of the finished joint is therefore 1083 degrees c. The leader in fasteners, shop supplies, hand tools, and hardware. Exothermic welding process exothermic welding, also known as exothermic bonding and thermite welding is a welding process for joining two electrical conductors, that employs superheated copper alloy to permanently join the conductors. The jam weld exothermic welding systems are employed to provide perennial molecular bonding amidst two metals or conductors. The exothermic welding process is a simple, efficient method or welding copper to copper of copper to steel. The kingsweld exothermic welding electrical connection process is a simple, efficient method of welding copper to copper or copper to steel. Every product featured has its own application drawing and product table. Erico products shall be installed and used only as indicated in erico product instruction sheets and training materials. Weld metal a mixture of copper oxide and aluminum is dumped into the top of the mold. Eeeeexxxxxxxooooowoowwwwwweeeeeleelllldllddddd exothermic welding. Avoid moisture and contaminants in mold and materials being welded.
The main problems seen in grounding installations after many years are the corrosion, loosening, and disintegration that occur in underground conductor connections. The process employs an exothermic reaction of a thermite composition to heat the metal, and requires no external source of heat or current. National accreditation of certification bodies 1 5 3 7 8 9 2 6 4 mold part number. Furseweld exothermic welding system d53 stranded conductor solid circular conductor cat. Exothermic welding connection systems for earthing, lightning, cathodic protection and railway signaling applications. Cadweld plus leading technologies in exothermic welding erico literature file. Lectroweld standard tool kit exothermic welding supplier. Once the conductors were inserted in the graphite mould, the welding compound and the reactive powder, usually. Exothermic welding is a simple, economical method of making permanent, very high quality electrical earthing connections the exothermic welding process uses the high temperature reaction of copper oxide and aluminium within a semipermanent graphite mould to form electrical connections mainly between copper to copper or copper to steel. The blackburn process national accreditation of certification bodies 1 5 3 7 8 9 2 6 4 mold part number example. Copper oxide and aluminum are combined and ignited. This newly shaped welding material package is designed for use in all standard cadweld molds, including cadweld multi. The molten copper melts the objects being connected together. Cadweld multi connection capabilities multi cadweld.
Exothermic welding manual cadweld techno protection. One advantage is that no outside power is required when using the exothermic process. No outside source of power is required when using exothermic welding connections kingsweld exothermic welding connections use the high temperature of reaction of powdered copper oxide and aluminium. The broco ultrathermic electrode consists of seven small rods inside a thin steel tube. Jan 20, 2016 exothermic welding also known as thermite welding or exothermic bonding is a process for permanently joining earthing grounding or lightning protection conductors together. Exothermic welding withstands about 5 times higher than the clamps connection in mechanical force. Estimate system resistance values for basic grounding system designs and calculate the. Exothermic weldingprocess exothermic welding, also known as exothermic bonding and thermite welding is a welding process for joining. The exoweld exothermic welding toolkit is an all in one set of tools needed to perform a standard set of exothermic welds. The pecu components are provided under nsn 4240012723841 as a complete kit. Exothermic welding kkkkoooorrrreeeeaaaa eeeemmmmiiii ttteeeecccchhhnnnnoooollllooooggggiiiieeeesss eeeeexxxxxxxooooowoowwwwwweeeeeleelllldllddddd. File card brush for cleaning conductors and surfaces. Cadweld aluminum welding material is designed for use in cadweld equipment only. Exothermic welding of copper conductors and copper to steel using the cadweld process produces a true weld using molten superheated copper.
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