Topic: Cadweld
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Answers to Common Questions
What cadweld is?
A Cadweld is the commercial name of a line of consumable exothermic weld devices used for making permanent connections between conductors. Usually, Cadwelds are used to make ground (earth) grid connections in substations, and to connect gro... Read More »
Source: http://answers.yahoo.com/question/index?qid=20080325204453AAhgjhN
What is cad-welding?
CAD welding is named after Dr Cadwell. It is a form of thermite welding used to bond wire to metal, typically used in the rail industry. Read More »
Source: http://wiki.answers.com/Q/What_is_cad-welding
How is the reaction started with CADWELD PLUS?
ERICO has developed a system that initiates the CADWELD reaction by delivering a predetermined amount of energy to the welding material via a patented ignition system. The ignition strip utilized in this system consists of metallic strips... Read More »
Source: http://www.erico.com/faqDetail.asp?faqid=51
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Cadweld
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Answers to Other Common Questions
The current carrying capacity of the connection is equal to that of the conductor
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Source: http://www.erico.com/faqDetail.asp?faqid=28
This black line is printed on the ignition strip to indicate the correct positioning of the Control Unit termination clip. If the termination clip is not pushed to this line, the initiation of exothermic reaction will not take place.
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Source: http://www.erico.com/faqDetail.asp?faqid=56
The disk has been integrated into the CADWELD PLUS weld metal cup. There is no need to add a separate disk to cover the tap hole.
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Source: http://www.erico.com/faqDetail.asp?faqid=49
The Control Unit is the battery-operated device that is required to initiate the CADWELD exothermic reaction. Depending on use and care, the Control Unit should last for thousands of welds. This low-cost hand-held tool is lightweight, dur...
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Source: http://www.erico.com/faqDetail.asp?faqid=53
The disk is tin plated steel. The disk acts as a valve during the exothermic reaction allowing the molten copper to separate from the aluminum oxide slag. Failure to include the disk, or if it is improperly seated, will affect reaction pro...
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Source: http://www.erico.com/faqDetail.asp?faqid=33
