Spot welding, Other Engineering

Assignment Help:

In spot welding, the parts to be joined are normally over lapped. The work piece are clamped between two water cooled copper electrodes. On the passage of a high transient current, the interface melts over a spot and form the weld. The cooling at the electrode limits the size of the spot. A very high current is needed for a very short duration to complete the welding. The interfaces to be joined are initially cleaned by various methods, including scratch brushing and vapour decreasing. A spot weld normally contains some porosity at the weld centre, which unless excessive is harmless.

The spot welding process is difficult to use for highly conductive materials such as aluminum and magnesium. 


Related Discussions:- Spot welding

Financial strategy and operations, Q. A. Microfinance case How would you va...

Q. A. Microfinance case How would you value the price of a Microfinance Institution? Using data available on the net, explain what would you consider the value of SKS (India) or Co

#tmjjlitle.., Industries that manufacture racing cars prefers nickel based ...

Industries that manufacture racing cars prefers nickel based alloys for engine components and iron based alloys for structural parts. Justify this statement.

Fire safety management for commercial buildings, fire safety management for...

fire safety management for Commercial buildings: Commercial buildings where all the occupants are familiar with the building we also need to see evidence of satisfactory fire

Flow at low mach number and zero incidence about m6 wing, Flow at low Mach ...

Flow at low Mach number and zero incidence about M6 wing Results from FP were obtained corresponding to M ∞ = 0.2 and a = 0 and, as noted, with the input files generated by FP

Method of calculating the thrust forces-engine performance, Method of calcu...

Method of calculating the thrust forces: The thrust forces or gas loads can be calculated for the engine, or for any flow section of the engine, provided that the areas, pressu

Speed control in aircraft engine, Speed control in Aircraft Engine: Bec...

Speed control in Aircraft Engine: Because the APU is designed to run at a constant rpm, some means must be provided to control this speed. Such a control device is known as a

Feathering the propeller, Feathering the propeller: If there is an engi...

Feathering the propeller: If there is an engine failure in flight, the propeller would windmill creating drag and increasing any damage that had occurred in the engine. Feathe

Blending or mixing, To achieve successful results in powder metallurgy the ...

To achieve successful results in powder metallurgy the metallic powder must be thoroughly homogenized. The term blending and mixing are both used in this content. Blending refers t

Nicol Prism., Explain the construction of nicol prism and its function.

Explain the construction of nicol prism and its function.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd