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Why is it important to strike the arc only on the weld joint?
why is it important only to strike the arc in the weld joint
Can weld without flux is possible?
You can arc weld & then the flux will be in the rod.
How do you wire four 12 volt batteries to get 36 volts and 48amps?
Four 12V batteries may not be connected end to end to obtain 36 Volts. But four 12V batteries can be connected end to end to provide 48V and push 36 amps. The actual answer to your question suggests that you drop one 12V battery and use three, not four 12V batteries end to end to obtain 36V.
Is flux cored arc a high precision weld?
yes
What is the method of arc shielding in SMAW?
Arc shielding in Shielded Metal Arc Welding (SMAW) involves the use of a consumable electrode that produces a protective gas and slag when it melts. This shielding effect protects the weld pool from atmospheric contamination, such as oxygen and nitrogen, which can weaken the weld. The electrode coating generates gases and forms a molten slag that covers the weld area, stabilizing the arc and enhancing the quality of the weld. Proper arc shielding is crucial for achieving strong, defect-free welds in various materials.
Why is it necessary to provide a shield of gases to protect the weld during the arc welding process?
Providing a shield of gases during arc welding is essential to protect the weld from atmospheric contamination such as oxygen and nitrogen. These gases can react with the molten metal, leading to defects in the weld like porosity, cracking, and reduced strength. Shielding gases help to create a stable arc, protect the molten weld pool, and improve the overall quality and integrity of the weld.
How does arc length affect a weld?
Too long an arc length allows the arc to wander creating a poorly shaped weld. The slag is usually too thin and can allow Oxygen in the air to attack the molten puddle which causes Porosity in the weld. Too short an arc length buries the slag and creates less heat which traps the slag and impurities. Keep in mind that electrode coatings help determine the correct arc length.
Why is it important to strike the arc only in weld joint?
con cac
How can arc blow be controlled?
It can be controlled by connecting the work lead to tha end of tha weld joint and than welding away from the work leadThe ARC blow can be controlled by connecting the work lead to the end of the weld join. Then you will have to weld away from the work lead.
Can plasma arc welding weld non magnetic materials?
Plasma arc welding can weld almost any commonly used metal. It is not limited to magnetic metals, they only need to conduct electricity.
What is submerged arc welding?
Sub arc welding is a process in which the welding actually occurs while submerged under a layer of flux. Not only does this prevent oxygen from entering the weld and thus porosity, but it also keeps the dangerous arc from sputtering and spattering from the weld.
What is the difference between 12V automotive and 12V marine batteries?
without knowing exactly the types of batteries you are talking about but generally marine batteries are a higher quality battery and have higher amp hour ratings which basically means they can turn the stater for longer
