Production technology for quick coupling tube
A technology of fast connection and production technology, applied in the field of connecting pipes, can solve the problems of cumbersome production steps, increased production costs, short service life, etc., and achieve the effect of low cost, high firmness and long service life
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[0025] The present invention will be further described below with specific embodiment, see Figure 1-8 :
[0026] A production process for quick-connect pipes, comprising the following steps:
[0027] 1) One-time flaring: one end of the round pipe is flaring, and the round pipe becomes a large-diameter round pipe 2 at one end and a small-diameter round pipe 1 at the other end;
[0028] 2) One-time shaping: the round tube made in step 1) is shaped, and two sections of round tubes with different diameters are adjusted in place according to the length requirements;
[0029] 3) Tube shrinking: shrink the right side of the large-diameter circular tube 2a made in step 2) according to the diameter of the small-diameter circular tube 1a to form a tube-shrinking section 2b, and the left side of the large-diameter circular tube 2a has an outward protrusion The large convex ring 3;
[0030] 4) secondary shaping: carry out secondary shaping to the circular tube made in step 3), and adj...
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