This paper researches on a new type of non-welded piping connectiontechnology-axial compressive fit pipe connection technology, which is based on thematerial in the production to achieve the mutual connection and sealing of elasticdeformation under the effect of the interference fit. The formula for the theoreticalfoundation and connection technology category yet walled pipe fittings such models,so this type of pipe joint theoretical derivation formula has a strong theoretical andengineering significance.
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