Resin plate multi-point hot forming uniform temperature controlling and loading method
A resin plate and thermoforming technology, applied in the field of mechanical engineering, can solve the problems of resin plate stress instability, wrinkling, and high forming cost of resin plates
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Example Embodiment
[0016] (Embodiment 1)
[0017] figure 1 It is a schematic diagram for illustrating the method for uniform temperature control and loading of multi-point thermal bulging according to an embodiment of the present invention, including five steps of multi-point mold shape adjustment, heating, pressurization, pressure holding and cooling; In the multi-point mold shape adjustment step, the multi-point basic body 8 and the polyurethane mold 9 are connected through a pin hole structure, the height of the multi-point basic body 8 is controlled by the multi-point forming CAD / CAE / CAM software, and the regularly arranged polyurethane molds 9 are formed. Discrete mold surface; in the heating step, the resin plate 5 is placed above the polyurethane film 6, and the resin plate 5 is heated by the heater 2 arranged inside the thermal expansion box 1 and around the multi-point base body 8, The temperature of the resin plate 5 is monitored by the thermocouple 7 until the target forming temperat...
Example Embodiment
[0018] (Embodiment 2)
[0019] figure 2 It is a schematic diagram for illustrating the method for uniform temperature control and loading of multi-point thermal bulging according to another embodiment of the present invention, including five steps of multi-point mold shape adjustment, heating, pressurization, pressure holding and cooling; In the multi-point mold shape adjustment step, the multi-point basic body 8 and the polyurethane mold 9 are fixed by the multi-point support head, the multi-point basic body 8 and the support head are connected by a pin hole structure, and the polyurethane mold 9 and the support head are connected by a ball plug. Into the hole connection, the height of the multi-point basic body 8 is controlled by the multi-point forming CAD / CAE / CAM software, and the change of the height of the multi-point basic body 8 drives the polyurethane mold 9 to form a continuous mold surface; In the heating step, the resin plate 5 Placed above the polyurethane film ...
Example Embodiment
[0020] (Embodiment 3)
[0021] image 3 It is a schematic diagram for illustrating the method for uniform temperature control and loading of multi-point thermal bulging according to another embodiment of the present invention, including five steps of multi-point mold shape adjustment, heating, pressurization, pressure holding and cooling; In the multi-point mold shape adjustment step, the multi-point basic body 8 and the polyurethane mold 9 are connected by a pin hole structure, the height of the multi-point basic body 8 is controlled by the multi-point forming CAD / CAE / CAM software, and the height of the multi-point basic body 9 is controlled. The change drives the height of the polyurethane mold 9 to change, and then the molding machine of the polyurethane mold 9 is added to the target curved surface; The resin plate 5 is heated with the heater 2 around the multi-point base body 8, and the temperature of the resin plate 5 is monitored by the thermocouple 7 until the target m...
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