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WhatsApp: +86 18203695377WEBApr 22, 2022 · Sort: Information Auth: Source: Release time: 11:30 Pvs: 【】 In the production of high frequency welded pipe machine, the forming joint state of the tube blank directly affects the quality of the weld, and the parallelism of the butt surface of the welded joint is particularly important. In the process of seam welding of .
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WhatsApp: +86 18203695377WEBMar 1, 2013 · 1. Introduction. Highfrequency induction welding (HFIW) pipe is widely applied in the oil exploitation and liquid transfer systems. The steel plate is curled into pipe blank firstly, and then joined by heating the steel materials at the welding edge with a highfrequency welding machine [1].The hourglassshaped temperature field is formed in .
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WhatsApp: +86 18203695377WEBNov 15, 2011 · High frequency induction heating is often used as a solidstate process for the welding of steel pipes [1].The process results in high productivity, can easily be adapted to manufacture pipes with different dimensions, and does not require welding consumables [2].The process is illustrated schematically in Fig. 1, showing that the two .
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WhatsApp: +86 18203695377WEBAug 27, 2022 · There are four types of highfrequency welded pipes: 1. Welded steel pipes used for low pressure fluid delivery are also called ordinary welded pipes, usually called clarinets. 2. Galvanized welded steel pipe used for low pressure fluid transportation is also called galvanized welded steel pipe, commonly known as white pipe. 3.
WhatsApp: +86 18203695377WEBSep 16, 2008 · Of the welding processes used in tube and pipe production, highfrequency induction (HFI) is the fastest, and therefore this market is the most crowded and competitive. Competitive pressures put downward pressure on prices, forcing producers to control costs and reduce scrap wherever possible. Because raw material is 50 percent .
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