Now many bags are designed with telescopic tube pull rod, which is more convenient to use. Do you know? Many of these telescopic pipes are produced by using welded pipe mechanical equipment and welded pipe moulds, and a very important key point in the production of these pipes is the design of welded pipe moulds. If the design of welded pipe moulds is not appropriate, the use of telescopic pipes will not be so flexible, so the design of telescopic pipes has certain requirements.

Since it is a telescopic pipe, it is necessary to consider the applicability between pipes, that is, one pipe can be sleeved in the other pipe, so as to realize the function of drawing and stretching.

Another thing to pay attention to is the shape and size of the pipe. Only by doing so can we ensure the good connection and dimensional tolerance control of the expansion pipe. The pipe can not be extended, but it is also not allowed to have too large a gap.

There are still many requirements for the design of the welded pipe mould of the luggage telescopic pipe. It is not allowed to be careless, otherwise the products produced will not be able to be used normally.

Key words:welded pipe mould

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