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3D print steel parts at home with special filaments

Posted on August 12, 2021 by William

Rocket engines are great for generating thrust from fire and fury, but they are also difficult to manufacture. They need high-strength materials that can withstand the high temperatures involved. [Integza]However, for a long time, he has been trying to 3D print a working rocket engine for himself.His latest attempt involves Print aerospike design with metal.

Even steel can’t withstand the fury of rocket exhaust!

The project relies on a special metal-impregnated 3D printer filament. The part can be printed with an ordinary 3D printer, and then only the metal is left after firing.The filament may be rough, so [Integza] Use ruby ​​nozzles to process metal impregnated materials. The processed materials need to undergo a medium-temperature “degreasing” stage in the kiln to remove the plastic, and then undergo a high-temperature sintering process to bond the remaining metal particles into a desired continuous whole. This process works well for bronze, but it is a bit tricky for steel.

Equipped with steel gas nail rocket nozzle, [Integza] Try to use these parts with the 3D printed rocket fuel we have seen before.This configuration does produce some thrust and lasts longer than most [Integza]The previous efforts, although still succumbed to the intense heat of the rocket exhaust.

However, in general, this is a good example of what is needed to print steel parts at home. You need a high-quality 3D printer, a ruby ​​nozzle and a controllable furnace, but it can be done. If you manage to print something great, please leave us a message. Video after the break.

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