Based on the finite element analysis (FEA) model of steel tube scaffold couplers, the corresponding connection of scaffold couplers and pre-load of slide wedge have been discussed.

在建立新型钢管脚手架扣件的有限元分析模型的基础上，对扣件各部件之间的连接以及斜楔的预紧力问题进行了处理。

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Automation production was achieved by applying ball bearing, tapered wedge and slide block mechanism to pull off the fixed mould plate and gating plate, and control the pull off distance.

利用滚珠、斜楔、滑块机构拉开定模板和浇口板并控制其拉开距离，从而达到自动生产目的。

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Automation production was achieved by applying ball bearing, tapered wedge and slide block mechanism to pull off the fixed mould plate and gating plate, and control the pull of...

利用滚珠、斜楔、滑块机构拉开定模板和浇口板并控制其拉开距离，从而达到自动生产目的。

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