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2. Description of standard construction elements
Standard cylinders comprise a tube and ends, which are welded, screwed or held in place by tie rods. Friction welding is used for small dimensions (shock absorber tubes) or mass production. Electron bombardment welding is used for thicker tubes.
2.1 Tubes
Some manufacturers drill or trepan solid bars to obtain tubes with specific characteristics and dimensions. Although high-powered trepanning machines have been developed in recent years, this practice seems to be declining. However, as the tube trade offers a very limited choice in terms of quality, especially on the French market, this process is still used by those who make use of special steels and heat treatments.
Drilled and hot-forged seamless tubes are commonplace. In the past,...
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Description of standard construction elements
Checking cylinder sizing
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