Induction welding method for metal mesh-filled thermoplastic material lap joint structure
A technology of thermoplastic materials and filler metals, which is applied in the field of induction welding of overlapping structures of thermoplastic materials, can solve problems such as complex procedures, high costs, and long cycles, and achieve superior mechanical properties, prolong the holding time, and increase the power of the welding machine Effect
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Embodiment 1
[0027] The thermoplastic material is polyether ether ketone (PEEK), the size is 100mm×25mm×0.4mm; the metal mesh is galvanized Q235 steel, the size is 12.5mm×25mm; the size of the welding area is 12.5mm×25mm; the input power voltage is 380V Phase voltage, the output oscillation frequency is 198kHz, the cooling water temperature is kept below 35°C, the cooling water pressure is 0.2MPa, the cooling water flow rate is 61 / min, and the external pressure is 15N; the induction welding equipment is CGP-30kw ultra-high frequency induction welding machine; Wipe the thermoplastic PEEK sheet and metal mesh with acetone before welding to remove surface oil, then immerse the metal mesh in acid solution for about two minutes to remove the oxide film, then rinse with tap water, and then dry the thermoplastic sheet and metal mesh ;Select the pancake-type induction coil; set the induction welding parameters as welding current 1.0A, welding machine power 0.658kW, and pressure holding time 3s;
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Embodiment 2
[0030] The thermoplastic material is polyether ether ketone (PEEK), the size is 100mm×25mm×0.4mm; the metal mesh is galvanized Q235 steel, the size is 12.5mm×25mm; the size of the welding area is 12.5mm×25mm; the input power voltage is 380V Phase voltage, the output oscillation frequency is 198kHz, the cooling water temperature is kept below 35°C, the cooling water pressure is 0.2MPa, the cooling water flow rate is 61 / min, and the external pressure is 15N; the induction welding equipment is CGP-30kw ultra-high frequency induction welding machine; Wipe the thermoplastic PEEK sheet and metal mesh with acetone before welding to remove surface oil, then immerse the metal mesh in acid solution for about two minutes to remove the oxide film, then rinse with tap water, and then dry the thermoplastic sheet and metal mesh ;Select the pancake-type induction coil; set the induction welding parameters as welding current 6.0A, welding machine power 3.949kW, and pressure holding time 3s;
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