Wire melting characteristics, Mechanical Engineering

WIRE MELTING CHARACTERISTICS

A non linear relationship exists between the rate at which the wire is fed into the arc and the current required to burn it off to maintain a constant arc length. This is known as the burn off characteristic and differs for each filler wire composition and diameter. The curves shown in Fig.  illustrate the burn off characteristics of steel in Argon + O2 mixture. It will be seen that to alter the welding current a proportionate increase in the wire feed rate is required. The smaller the diameter of the wire, the faster is the wire feed speed required to reach the same current.

 

 

714_wire melt curve.jpg

Posted Date: 9/17/2012 12:58:22 AM | Location : United States







Related Discussions:- Wire melting characteristics, Assignment Help, Ask Question on Wire melting characteristics, Get Answer, Expert's Help, Wire melting characteristics Discussions

Write discussion on Wire melting characteristics
Your posts are moderated
Related Questions
weight of leaf spring in bus

Binomial distribution: Let X follow a binomial distribution with parameters n = 4 and p = 0.5. Tabulate P ( ¦X - μ¦ ≥ k ) and σ 2 /k 2 for k = 1,2,3,4,5 and verify that Cheby

Compare the hardenability of Ferrous Alloys vs Non-Ferrous Alloys

Calculate number of cycles to fracture: If the plastic deformation is taken into consideration calculate number of cycles to fracture in above Example. Solution Δ K I

Explain construction and working of Rope Brake Dynamometer? Determine Power also ?

Q. Define Carbon steel? At ambient temperatures and under dry conditions, caustic is not particularly corrosive and can be handled in carbon steel. However, stress corrosion c

Determine acceleration of weight: Two pulleys of radii 200 mm and 400 mm are mounted co-axially and rigidly on a common-shaft. These pulleys have a overall mass of 28 kg an

(a) Explain briefly the functions of the spiral casing guide vanes, and draft tube of a reaction water. (b) A Kaplan turbine developing 3250 KW under a head of 6m has a draft tu

Qusetion: A body when projected vertically up covers a total distance s, during its time of flight. If we neglect gravity then how much distance, the particle will travel during

common formula for first law of thermodynamics #Minimum 100 words accepted#