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 Wysłany: Śro 5:48, 05 Sty 2011 Temat postu: moncler outlet Pressure Vessel Design consideratio |
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,[link widoczny dla zalogowanych]
Pressure Vessel Design consideration of high temperature structure
, So that the wiper can not be any sliding bearing. Used for high-temperature vertical heat exchanger and high-temperature bearing the ear-type horizontal heat exchanger side of the saddle sliding bearings, reduce support for the expansion and contraction of the ear and saddle sliding friction generated,[link widoczny dla zalogowanych], I believe that you can lug and the sliding saddle bottom layer of 2-3mm thick paste of PTFE. The friction coefficient of steel and PTFE: 0.04,[link widoczny dla zalogowanych], so that the shell and support the connection of the ear and saddle the local stress greatly reduced. PTFE bearing capacity with increasing temperature and decreased,[link widoczny dla zalogowanych], but at 150 ℃,[link widoczny dla zalogowanych], the bearing capacity of PTFE can still reach 14.0MPa, designers can own account of its bearing capacity. Figure 7 triangle plate Fig. 7Triangleplate
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