Filling medium for extruding penetration piece and manufacturing technique of penetration piece
A technology of filling medium and manufacturing process, which is applied in the field of pipeline engineering and refrigeration pipe fittings, and can solve the problem of broken pipe wall, which requires lead removal, lead filling again, and lead removal again. The process steps of lead filling are complicated and the process flow is complicated and other issues, to achieve the effects of large-scale application, ease of industrial scale production, and reduction of production costs
Active Publication Date: 2013-12-11
赵肖运
4 Cites 2 Cited by
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The invention provides a filling medium for extruding a penetration piece and a manufacturing technique of the penetration piece. The filling medium provided by the invention comprises 5-70 wt% of calcium nitrate, 25-90 wt% of sodium nitrate and 1-10 wt% of water. The filling medium provided by the invention is nontoxic and harmless to the human body and environment. The manufacturing technique of the penetration piece comprises the following steps: heating the filling medium, filling the molten medium into an original tube blank, cooling, extruding the original tube blank, and melting to remove the filling medium to obtain the penetration piece. The filling medium provided by the invention is healthy and environment-friendly, can easily implement industrial large-scale production, and can effectively lower the production cost.
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Property | Measurement | Unit |
Outer diameter | 10.0 | mm |
Outer diameter | 9.0 | mm |
Center distance | 22.0 ~ 24.0 | mm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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