A customer in the 3D printing industry approached us in need of a heating solution for a complicated process:
Due to the three-dimensional shape of the cart, custom silicone rubber heaters needed to be designed for the top, sides and bottom of the assembly - three custom designs in total.
The heaters worked seamlessly with the process. As the Nylon powder is deposited, the side and bottom silicone heaters are under operation. When the bed reaches its final depth, the top heater is placed, allowing additional heating of the powder if necessary. RTDs were integrated into each heater design for precise control of each heater. The RTDs were incorporated near the lead exit so that only one bundle of leads from one location exited each heater. The carts are able to be pre-heated to the desired temperature, and afterwards the carts roll into the printing machine for curing of the nylon.
The three custom designs allow for optimal heating in this situation. The flexible nature of the silicone rubber heaters allows them to conform nicely to the sides of the cart and transfer heat effectively. The customer is able to mount these heaters to one of the powder carts and operate them independently as they please.
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