SU373318A1 - LIBRARY ?. - Google Patents
LIBRARY ?.Info
- Publication number
- SU373318A1 SU373318A1 SU1419766A SU1419766A SU373318A1 SU 373318 A1 SU373318 A1 SU 373318A1 SU 1419766 A SU1419766 A SU 1419766A SU 1419766 A SU1419766 A SU 1419766A SU 373318 A1 SU373318 A1 SU 373318A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- temperature
- heated
- heat treatment
- weld
- welded
- Prior art date
Links
Landscapes
- Heat Treatment Of Articles (AREA)
Description
СПОСОБ ТЕРМИЧЕСКОЙ ОБРАБОТКИ СВАРНЫХ ИЗДЕЛИЙMETHOD OF THERMAL TREATMENT OF WELDING PRODUCTS
1one
Известен способ термической обработки сварных изделий, например рельсов, по которому головку рельса в зоне сварного шва подвергают индукционному нагреву до температуры 850-900° С, а затем охлаждают воздушно-вод ной смесью.The known method of heat treatment of welded products, for example rails, by which the rail head in the weld zone is subjected to induction heating to a temperature of 850–900 ° C, and then cooled with an air-water mixture.
Недостатком этого способа вл етс то, что термической обработке подвергают только головку рельса в зоне сварного шва-, а подошва и шейка имеют неудовлетворительную структуру .The disadvantage of this method is that only the rail head in the weld zone is heat-treated, and the sole and the neck have an unsatisfactory structure.
Дл повышени качества сварных рельсов предлагаетс способ, по которому производ т нагрев всего сечени издели в зоне сварного шва до температуры 850-900° С с последуюшим ускоренным охлаждением головки рельса до температуры не ниже 300- 400° С.To improve the quality of the welded rails, a method is proposed by which the entire section of the product in the weld zone is heated to a temperature of 850-900 ° C with subsequent accelerated cooling of the rail head to a temperature not lower than 300-400 ° C.
Кроме того, одновременно с нагревом производ т охлаждение краев нагретой зоны, что позвол ет уменьшить возможные в процессе термической обработки сварного шва переходные участки.In addition, simultaneously with the heating, the edges of the heated zone are cooled, which makes it possible to reduce transition areas that are possible during the heat treatment of the weld.
Местную термическую о бра-ботку сварного издели , например рельса, осуп1,естБЛ ют следующим образом. Зону сварного шва по всему сечению рельса нагревают с помош;ью индуктора до температуры 850-900° С, затем нагрев выключают и охлаждают голоаку рельса ico скоростью 5-,10°/сек и большеLocal thermal scrapping of a welded product, e.g. a rail, OCU1, has been performed as follows. The weld zone over the entire rail section is heated with the aid of an inductor to a temperature of 850–900 ° C, then the heating is turned off and cooled by a holoak rail ico at a speed of 5–10 ° / sec and more
до температуры не ниже 300-400° С.to a temperature not lower than 300-400 ° C.
В результате теплоотдачи от шейки и подошвы рельса температура на его головкеиоднимаетС до С. Охлаждение шейки и подошвы рельса может быть естественнымAs a result of heat transfer from the neck and foot of the rail, the temperature on its head is from C to C. Cooling of the neck and foot of the rail can be natural.
или принудительным.or forced.
Предмет изобретени Subject invention
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1419766A SU373318A1 (en) | 1970-04-07 | 1970-04-07 | LIBRARY ?. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1419766A SU373318A1 (en) | 1970-04-07 | 1970-04-07 | LIBRARY ?. |
Publications (1)
Publication Number | Publication Date |
---|---|
SU373318A1 true SU373318A1 (en) | 1973-03-12 |
Family
ID=20451269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1419766A SU373318A1 (en) | 1970-04-07 | 1970-04-07 | LIBRARY ?. |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU373318A1 (en) |
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1970
- 1970-04-07 SU SU1419766A patent/SU373318A1/en active
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