Mellow 3D Printer Parts All Metal NF-Smart-Volcano V2.0 Upgrade J-head Hotend 1.75mm Extruder Kit For V6 Ender 3 Prusa MK3 DDG

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The newly upgraded titanium tube has bi-metal heat insulation. The m6 thread is made of copper, and the middle tube is made of titanium. The copper m6 thread helps the filament in the titanium tube to melt more easily and increase the flow rate. The titanium tube is used in the middle to reduce upward heat conduction and print blockage. , to improve print quality. It has better heat resistance than using stainless steel pipes. Heatsinks use aluminum or copper to help thermally dissipate heat quickly to the heatsink. Improve heat dissipation efficiency.

The titanium metal tube in the middle is produced by high-precision cnc, and the internal control finish is less than 0.3um. The special tube structure design helps less heat conduction upwards.