Heat Loss by Conduction into the Electrode Tips in Spot Welding
スポンサーリンク
概要
- 論文の詳細を見る
Although it belongs to a very fundamental problem in spot welding, it is not yet definitely determined what percentage of the total energy supplied escapes to electrode tips.<BR>We investigated this problem on the spot welding of mild steel sheet of 0.6 mm to 3.2 mm thickness under the welding conditions specified by R.W.M.A. By measuring the welding current and voltage, the total supplied heat capacity was calculated by using H=0.24 IVt(cal.). By the amount of cooling water for electrode tips and its temperature rise in stationary condition, the calorie conducted to electrode tips was obtained.<BR>The calorie used in producing nugget and conducted to sheet from the peripheral of nugget was calculated from the temperature rise of the water in which the test piece had been dipped.<BR>Thus by determining the individual calorie escaping to each part and the total supplied calorie, the percentage of the calories escaping to electrode tips in the total calories supplied could be roughly estimated.<BR>The result proved that the heat loss to the electrode tips depends merely on the sheet thickness and has nothing to do with the welding conditions, A.B.C.
- 一般社団法人 溶接学会の論文
一般社団法人 溶接学会 | 論文
- Special issue. New frontiers of welding technology. Design of super sky scyaper and its conection and welding.
- The Microstructure of Iron Base Binary Weld Metals (Report 2):Effect of ferrite formers
- The Microstructure of Iron Base Binary Weld Metals (Report 1):Effect of austenite forming type alloying elements
- The Behavior of Hydrogen in Arc Welding (Report 4):Hydrogen dissolution into submerged arc weld metal
- A Study on Submerged Arc Welding of HT-80 Steel (Report 1):Cracking and Hydrogen in submerged arc weld metal